0.7.0

Closes #168.

AUTHORS.rst

@@ -28,3 +28,4 @@ Patches and ideas
 * `Tomek Wójcik <https://github.com/tomekwojcik>`_
 * `Davey Shafik <https://github.com/dshafik>`_
 * `cido <https://github.com/cido>`_
+* `Justin Bonnar <https://github.com/jargonjustin>`_

README.rst

@@ -16,6 +16,10 @@ for **testing, debugging**, and generally **interacting** with HTTP servers.
     :height: 835
     :align: center
 
+
+------
+
+
 .. image:: https://raw.github.com/claudiatd/httpie-artwork/master/images/httpie_logo_simple.png
     :alt: HTTPie logo
     :align: center
@@ -45,6 +49,7 @@ Main Features
 * Arbitrary request data
 * Custom headers
 * Persistent sessions
+* Wget-like downloads
 * Python 2.6, 2.7 and 3.x support
 * Linux, Mac OS X and Windows support
 * Documentation
@@ -138,7 +143,9 @@ See the request that is being sent using one of the `output options`_:
     $ http -v example.org
 
 
-Use `Github API`_ to post a comment on an issue with `authentication`_:
+Use `Github API`_ to post a comment on an
+`issue <https://github.com/jkbr/httpie/issues/83>`_
+with `authentication`_:
 
 .. code-block:: bash
 
@@ -158,6 +165,13 @@ Download a file and save it via `redirected output`_:
 
     $ http example.org/file > file
 
+
+Download a file ``wget`` style:
+
+.. code-block:: bash
+
+    $ http --download example.org/file
+
 Use named `sessions`_ to make certain aspects or the communication persistent
 between requests to the same host:
 
@@ -167,6 +181,13 @@ between requests to the same host:
 
     $ http --session=logged-in httpbin.org/headers
 
+
+Set a custom ``Host`` header to work around missing DNS records:
+
+.. code-block:: bash
+
+    $ http localhost:8000 Host:example.com
+
 ..
 
 --------
@@ -245,8 +266,8 @@ their type is distinguished only by the separator used:
 |                       | The ``==`` separator is used                        |
 +-----------------------+-----------------------------------------------------+
 | Data Fields           | Request data fields to be serialized as a JSON      |
-| ``field=value``       | object (default), or to be form encoded (``--form`` |
-|                       | / ``-f``).                                          |
+| ``field=value``       | object (default), or to be form encoded             |
+|                       | (``--form, -f``).                                   |
 +-----------------------+-----------------------------------------------------+
 | Raw JSON fields       | Useful when sending JSON and one or                 |
 | ``field:=json``       | more fields need to be a ``Boolean``, ``Number``,   |
@@ -254,7 +275,7 @@ their type is distinguished only by the separator used:
 |                       | ``meals:='["ham","spam"]'`` or ``pies:=[1,2,3]``    |
 |                       | (note the quotes).                                  |
 +-----------------------+-----------------------------------------------------+
-| Files                 | Only available with ``-f`` / ``--form``.            |
+| Files                 | Only available with ``--form, -f``.                 |
 | ``field@/dir/file``   | For example ``screenshot@~/Pictures/img.png``.      |
 |                       | The presence of a file field results                |
 |                       | in a ``multipart/form-data`` request.               |
@@ -285,7 +306,7 @@ both of which can be overwritten:
 ``Accept``          ``application/json``
 ================    =======================================
 
-You can use ``--json`` / ``-j`` to explicitly set ``Accept``
+You can use ``--json, -j`` to explicitly set ``Accept``
 to ``application/json`` regardless of whether you are sending data
 (it's a shortcut for setting the header via the usual header notation –
 ``http url Accept:application/json``).
@@ -303,7 +324,6 @@ Simple example:
     Accept-Encoding: identity, deflate, compress, gzip
     Content-Type: application/json; charset=utf-8
     Host: example.org
-    User-Agent: HTTPie/0.2.7dev
 
     {
         "name": "John",
@@ -325,7 +345,6 @@ into the resulting object:
     Accept: application/json
     Content-Type: application/json; charset=utf-8
     Host: api.example.com
-    User-Agent: HTTPie/0.2.7dev
 
     {
         "age": 29,
@@ -350,7 +369,7 @@ Forms
 =====
 
 Submitting forms is very similar to sending `JSON`_ requests. Often the only
-difference is in adding the ``--form`` / ``-f`` option, which ensures that
+difference is in adding the ``--form, -f`` option, which ensures that
 data fields are serialized as, and ``Content-Type`` is set to,
 ``application/x-www-form-urlencoded; charset=utf-8``.
 
@@ -370,7 +389,6 @@ Regular Forms
 .. code-block:: http
 
     POST /person/1 HTTP/1.1
-    User-Agent: HTTPie/0.2.7dev
     Content-Type: application/x-www-form-urlencoded; charset=utf-8
 
     name=John+Smith&email=john%40example.org
@@ -407,7 +425,7 @@ To set custom headers you can use the ``Header:Value`` notation:
 
 .. code-block:: bash
 
-    $ http example.org  User-Agent:Bacon/1.0  Cookie:valued-visitor=yes  X-Foo:Bar  Referer:http://httpie.org/
+    $ http example.org  User-Agent:Bacon/1.0  'Cookie:valued-visitor=yes;foo=bar'  X-Foo:Bar  Referer:http://httpie.org/
 
 
 .. code-block:: http
@@ -415,7 +433,7 @@ To set custom headers you can use the ``Header:Value`` notation:
     GET / HTTP/1.1
     Accept: */*
     Accept-Encoding: identity, deflate, compress, gzip
-    Cookie: valued-visitor=yes
+    Cookie: valued-visitor=yes;foo=bar
     Host: example.org
     Referer: http://httpie.org/
     User-Agent: Bacon/1.0
@@ -440,8 +458,8 @@ Any of the default headers can be overwritten.
 Authentication
 ==============
 
-The currently supported authentication schemes are Basic and Digest (more to
-come). There are two flags that control authentication:
+The currently supported authentication schemes are Basic and Digest
+(see `auth plugins`_ for more). There are two flags that control authentication:
 
 ===================     ======================================================
 ``--auth, -a``          Pass a ``username:password`` pair as
@@ -458,7 +476,7 @@ come). There are two flags that control authentication:
                         ``basic`` so it can often be omitted.
 ===================     ======================================================
 
-Authorization information from ``.netrc`` is honored as well.
+
 
 Basic auth:
 
@@ -483,15 +501,38 @@ With password prompt:
     $ http -a username example.org
 
 
+Authorization information from your ``~/.netrc`` file is honored as well:
+
+.. code-block:: bash
+
+    $ cat ~/.netrc
+    machine httpbin.org
+    login httpie
+    password test
+
+    $ http httpbin.org/basic-auth/httpie/test
+    HTTP/1.1 200 OK
+    [...]
+
+
+------------
+Auth Plugins
+------------
+
+* `httpie-ntlm <https://github.com/jkbr/httpie-ntlm>`_
+* `httpie-oauth <https://github.com/jkbr/httpie-oauth>`_
+
+
 =======
 Proxies
 =======
 
-You can specify proxies to be used through the ``--proxy`` argument:
+You can specify proxies to be used through the ``--proxy`` argument for each
+protocol (which is included in the value in case of redirects across protocols):
 
 .. code-block:: bash
 
-    $ http --proxy=http:10.10.1.10:3128 --https:10.10.1.10:1080 example.org
+    $ http --proxy=http:10.10.1.10:3128 --proxy=https:10.10.1.10:1080 example.org
 
 
 With Basic authentication:
@@ -570,7 +611,7 @@ documentation examples:
     }
 
 
-All the other options are just a shortcut for ``--print`` / ``-p``.
+All the other options are just a shortcut for ``--print, -p``.
 It accepts a string of characters each of which represents a specific part of
 the HTTP exchange:
 
@@ -677,7 +718,16 @@ On OS X, you can send the contents of the clipboard with ``pbpaste``:
 
 
 Passing data through ``stdin`` cannot be combined with data fields specified
-on the command line.
+on the command line:
+
+
+.. code-block:: bash
+
+    $ echo 'data' | http POST example.org more=data   # This is invalid
+
+
+To prevent HTTPie from reading ``stdin`` data you can use the
+``--ignore-stdin`` option.
 
 
 -------------------------
@@ -719,6 +769,7 @@ Also, the following formatting is applied:
 * HTTP headers are sorted by name.
 * JSON data is indented, sorted by keys, and unicode escapes are converted
   to the characters they represent.
+* XML data is indented for better readability.
 
 One of these options can be used to control output processing:
 
@@ -807,10 +858,70 @@ by adding the following to your ``~/.bash_profile``:
 
     function httpless {
         # `httpless example.org'
-        http --pretty=all "$@" | less -R;
+        http --pretty=all --print=hb "$@" | less -R;
     }
 
 
+=============
+Download Mode
+=============
+
+HTTPie features a download mode in which it acts similarly to ``wget``.
+
+When enabled using the ``--download, -d`` flag, response headers are printed to
+the terminal (``stderr``), and a progress bar is shown while the response body
+is being saved to a file.
+
+.. code-block:: bash
+
+    $ http --download https://github.com/jkbr/httpie/tarball/master
+
+.. code-block:: http
+
+    HTTP/1.1 200 OK
+    Connection: keep-alive
+    Content-Disposition: attachment; filename=jkbr-httpie-0.4.1-33-gfc4f70a.tar.gz
+    Content-Length: 505530
+    Content-Type: application/x-gzip
+    Server: GitHub.com
+    Vary: Accept-Encoding
+
+    Downloading 494.89 kB to "jkbr-httpie-0.4.1-33-gfc4f70a.tar.gz"
+    /  21.01% 104.00 kB   47.55 kB/s  0:00:08 ETA
+
+
+If not provided via ``--output, -o``, the output filename will be determined
+from ``Content-Disposition`` (if available), or from the URL and
+``Content-Type``. If the guessed filename already exists, HTTPie adds a unique
+suffix to it.
+
+You can also redirect the response body to another program while the response
+headers and progress are still shown in the terminal:
+
+.. code-block:: bash
+
+    $ http -d https://github.com/jkbr/httpie/tarball/master |  tar zxf -
+
+
+If ``--output, -o`` is specified, you can resume a partial download using the
+``--continue, -c`` option. This only works with servers that support
+``Range`` requests and ``206 Partial Content`` responses. If the server doesn't
+support that, the whole file will simply be downloaded:
+
+.. code-block:: bash
+
+    $ http -dco file.zip example.org/file
+
+Other notes:
+
+* The ``--download`` option only changes how the response body is treated.
+* You can still set custom headers, use sessions, ``--verbose, -v``, etc.
+* ``--download`` always implies ``--follow`` (redirects are followed).
+* HTTPie exits with status code ``1`` (error) if the body hasn't been fully
+  downloaded.
+* ``Accept-Encoding`` cannot be set with ``--download``.
+
+
 ==================
 Streamed Responses
 ==================
@@ -852,12 +963,17 @@ Streamed output by small chunks alá ``tail -f``:
 Sessions
 ========
 
-By default, every request is completely independent of the previous ones.
-HTTPie also supports persistent sessions, where custom headers, authorization,
-and cookies (manually specified or sent by the server) persist between
-requests to the same host.
+By default, every request is completely independent of any previous ones.
+HTTPie also supports persistent sessions, where custom headers (except for the
+ones starting with ``Content-`` or ``If-``), authorization, and cookies
+(manually specified or sent by the server) persist between requests
+to the same host.
 
-Create a new session named ``user1``:
+--------------
+Named Sessions
+--------------
+
+Create a new session named ``user1`` for ``example.org``:
 
 .. code-block:: bash
 
@@ -880,19 +996,31 @@ To use a session without updating it from the request/response exchange
 once it is created, specify the session name via
 ``--session-read-only=SESSION_NAME`` instead.
 
-Session data are stored in JSON files in the directory
+Named sessions' data is stored in JSON files in the directory
 ``~/.httpie/sessions/<host>/<name>.json``
 (``%APPDATA%\httpie\sessions\<host>\<name>.json`` on Windows).
-**Warning:** All session data, including credentials, cookie data,
-and custom headers are stored in plain text.
 
-Session files can also be created or edited with a text editor.
+------------------
+Anonymous Sessions
+------------------
+
+Instead of a name, you can also directly specify a path to a session file. This
+allows for sessions to be re-used across multiple hosts:
 
 .. code-block:: bash
 
-    $ httpie session edit example.org user1
+    $ http --session=/tmp/session.json example.org
+    $ http --session=/tmp/session.json admin.example.org
+    $ http --session=~/.httpie/sessions/another.example.org/test.json example.org
+    $ http --session-read-only=/tmp/session.json example.org
 
 
+**Warning:** All session data, including credentials, cookie data,
+and custom headers are stored in plain text.
+
+Note that session files can also be created and edited manually in a text
+editor; they are plain JSON.
+
 See also `Config`_.
 
 
@@ -945,14 +1073,18 @@ When using HTTPie from **shell scripts**, it can be handy to set the
 ``--check-status`` flag. It instructs HTTPie to exit with an error if the
 HTTP status is one of ``3xx``, ``4xx``, or ``5xx``. The exit status will
 be ``3`` (unless ``--follow`` is set), ``4``, or ``5``,
-respectively. Also, the ``--timeout`` option allows to overwrite the default
-30s timeout:
+respectively.
+
+The ``--ignore-stdin`` option prevents HTTPie from reading data from ``stdin``,
+which is usually not desirable during non-interactive invocations.
+
+Also, the ``--timeout`` option allows to overwrite the default 30s timeout:
 
 .. code-block:: bash
 
     #!/bin/bash
 
-    if http --timeout=2.5 --check-status HEAD example.org/health &> /dev/null; then
+    if http --check-status --ignore-stdin --timeout=2.5 HEAD example.org/health &> /dev/null; then
         echo 'OK!'
     else
         case $? in
@@ -1081,6 +1213,21 @@ Changelog
 
 *You can click a version name to see a diff with the previous one.*
 
+* `0.8.0-dev`_
+* `0.7.0`_ (2013-09-24)
+    * Added ``--ignore-stdin``.
+    * Added support for auth plugins.
+    * Improved ``Content-Disposition`` parsing for ``--download`` mode.
+* `0.6.0`_ (2013-06-03)
+    * XML data is now formatted.
+    * ``--session`` and ``--session-read-only`` now also accept paths to
+      session files (eg. ``http --session=/tmp/session.json example.org``).
+* `0.5.1`_ (2013-05-13)
+    * ``Content-*`` and ``If-*`` request headers are not stored in sessions
+      anymore as they are request-specific.
+* `0.5.0`_ (2013-04-27)
+    * Added a `download mode`_ via ``--download``.
+    * Bugfixes.
 * `0.4.1`_ (2013-02-26)
     * Fixed ``setup.py``.
 * `0.4.0`_ (2013-02-22)
@@ -1105,7 +1252,7 @@ Changelog
       ``--ugly`` has bee removed in favor of ``--pretty=none``.
 * `0.2.7`_ (2012-08-07)
     * Compatibility with Requests 0.13.6.
-    * Streamed terminal output. ``--stream`` / ``-S`` can be used to enable
+    * Streamed terminal output. ``--stream, -S`` can be used to enable
       streaming also with ``--pretty`` and to ensure a more frequent output
       flushing.
     * Support for efficient large file downloads.
@@ -1186,7 +1333,10 @@ Changelog
 .. _0.3.0: https://github.com/jkbr/httpie/compare/0.2.7...0.3.0
 .. _0.4.0: https://github.com/jkbr/httpie/compare/0.3.0...0.4.0
 .. _0.4.1: https://github.com/jkbr/httpie/compare/0.4.0...0.4.1
-.. _0.5.0-alpha: https://github.com/jkbr/httpie/compare/0.4.0...master
-.. _stable version: https://github.com/jkbr/httpie/tree/0.3.0#readme
+.. _0.5.0: https://github.com/jkbr/httpie/compare/0.4.1...0.5.0
+.. _0.5.1: https://github.com/jkbr/httpie/compare/0.5.0...0.5.1
+.. _0.6.0: https://github.com/jkbr/httpie/compare/0.5.1...0.6.0
+.. _0.7.0: https://github.com/jkbr/httpie/compare/0.6.0...0.7.0
+.. _0.8.0-dev: https://github.com/jkbr/httpie/compare/0.7.0...master
 .. _AUTHORS.rst: https://github.com/jkbr/httpie/blob/master/AUTHORS.rst
 .. _LICENSE: https://github.com/jkbr/httpie/blob/master/LICENSE

httpie/__init__.py

@@ -3,7 +3,7 @@ HTTPie - a CLI, cURL-like tool for humans.
 
 """
 __author__ = 'Jakub Roztocil'
-__version__ = '0.4.1'
+__version__ = '0.7.0'
 __licence__ = 'BSD'
 
 

httpie/cli.py

@@ -1,88 +1,136 @@
 """CLI arguments definition.
 
 NOTE: the CLI interface may change before reaching v1.0.
-TODO: make the options config friendly, i.e., no mutually exclusive groups to
-      allow options overwriting.
 
 """
-from argparse import FileType, OPTIONAL, ZERO_OR_MORE, SUPPRESS
+from textwrap import dedent, wrap
+#noinspection PyCompatibility
+from argparse import (RawDescriptionHelpFormatter, FileType,
+                      OPTIONAL, ZERO_OR_MORE, SUPPRESS)
 
 from . import __doc__
 from . import __version__
-from .compat import is_windows
-from .sessions import DEFAULT_SESSIONS_DIR, Session
+from .plugins.builtin import BuiltinAuthPlugin
+from .plugins import plugin_manager
+from .sessions import DEFAULT_SESSIONS_DIR
 from .output import AVAILABLE_STYLES, DEFAULT_STYLE
 from .input import (Parser, AuthCredentialsArgType, KeyValueArgType,
                     SEP_PROXY, SEP_CREDENTIALS, SEP_GROUP_ITEMS,
                     OUT_REQ_HEAD, OUT_REQ_BODY, OUT_RESP_HEAD,
-                    OUT_RESP_BODY, OUTPUT_OPTIONS,
-                    PRETTY_MAP, PRETTY_STDOUT_TTY_ONLY, RegexValidator)
+                    OUT_RESP_BODY, OUTPUT_OPTIONS, OUTPUT_OPTIONS_DEFAULT,
+                    PRETTY_MAP, PRETTY_STDOUT_TTY_ONLY, SessionNameValidator)
 
 
-def _(text):
-    """Normalize whitespace."""
-    return ' '.join(text.strip().split())
+class HTTPieHelpFormatter(RawDescriptionHelpFormatter):
+    """A nicer help formatter.
 
+    Help for arguments can be indented and contain new lines.
+    It will be de-dented and arguments in the help
+    will be separated by a blank line for better readability.
+
+
+    """
+    def __init__(self, max_help_position=6, *args, **kwargs):
+        # A smaller indent for args help.
+        kwargs['max_help_position'] = max_help_position
+        super(HTTPieHelpFormatter, self).__init__(*args, **kwargs)
+
+    def _split_lines(self, text, width):
+        text = dedent(text).strip() + '\n\n'
+        return text.splitlines()
 
 parser = Parser(
+    formatter_class=HTTPieHelpFormatter,
     description='%s <http://httpie.org>' % __doc__.strip(),
-    epilog='For every --option there is a --no-option'
-           ' that reverts the option to its default value.\n\n'
-           'Suggestions and bug reports are greatly appreciated:\n'
-           'https://github.com/jkbr/httpie/issues'
+    epilog=dedent("""
+    For every --OPTION there is also a --no-OPTION that reverts OPTION
+    to its default value.
+
+    Suggestions and bug reports are greatly appreciated:
+
+        https://github.com/jkbr/httpie/issues
+
+    """)
 )
 
 
-###############################################################################
+#######################################################################
 # Positional arguments.
-###############################################################################
+#######################################################################
 
 positional = parser.add_argument_group(
     title='Positional arguments',
-    description=_('''
-        These arguments come after any flags and in the
-        order they are listed here. Only URL is required.
-    ''')
+    description=dedent("""
+    These arguments come after any flags and in the order they are listed here.
+    Only URL is required.
+
+    """)
 )
 positional.add_argument(
-    'method', metavar='METHOD',
+    'method',
+    metavar='METHOD',
     nargs=OPTIONAL,
     default=None,
-    help=_('''
-        The HTTP method to be used for the request
-        (GET, POST, PUT, DELETE, PATCH, ...).
-        If this argument is omitted, then HTTPie
-        will guess the HTTP method. If there is some
-        data to be sent, then it will be POST, otherwise GET.
-    ''')
+    help="""
+    The HTTP method to be used for the request (GET, POST, PUT, DELETE, ...).
+
+    This argument can be omitted in which case HTTPie will use POST if there
+    is some data to be sent, otherwise GET:
+
+        $ http example.org               # => GET
+        $ http example.org hello=world   # => POST
+
+    """
 )
 positional.add_argument(
-    'url', metavar='URL',
-    help=_('''
-        The protocol defaults to http:// if the
-        URL does not include one.
-    ''')
+    'url',
+    metavar='URL',
+    help="""
+    The scheme defaults to 'http://' if the URL does not include one.
+
+    """
 )
 positional.add_argument(
-    'items', metavar='REQUEST ITEM',
+    'items',
+    metavar='REQUEST ITEM',
     nargs=ZERO_OR_MORE,
     type=KeyValueArgType(*SEP_GROUP_ITEMS),
-    help=_('''
-        A key-value pair whose type is defined by the
-        separator used. It can be an HTTP header (header:value),
-        a data field to be used in the request body (field_name=value),
-        a raw JSON data field (field_name:=value),
-        a query parameter (name==value),
-        or a file field (field_name@/path/to/file).
-        You can use a backslash to escape a colliding
-        separator in the field name.
-    ''')
+    help=r"""
+    Optional key-value pairs to be included in the request. The separator used
+    determines the type:
+
+    ':' HTTP headers:
+
+        Referer:http://httpie.org  Cookie:foo=bar  User-Agent:bacon/1.0
+
+    '==' URL parameters to be appended to the request URI:
+
+        search==httpie
+
+    '=' Data fields to be serialized into a JSON object (with --json, -j)
+        or form data (with --form, -f):
+
+        name=HTTPie  language=Python  description='CLI HTTP client'
+
+    '@' Form file fields (only with --form, -f):
+
+        cs@~/Documents/CV.pdf
+
+    ':=' Non-string JSON data fields (only with --json, -j):
+
+        awesome:=true  amount:=42  colors:='["red", "green", "blue"]'
+
+    You can use a backslash to escape a colliding separator in the field name:
+
+        field-name-with\:colon=value
+
+    """
 )
 
 
-###############################################################################
+#######################################################################
 # Content type.
-###############################################################################
+#######################################################################
 
 content_type = parser.add_argument_group(
     title='Predefined content types',
@@ -90,117 +138,144 @@ content_type = parser.add_argument_group(
 )
 
 content_type.add_argument(
-    '--json', '-j', action='store_true',
-    help=_('''
-        (default) Data items from the command
-        line are serialized as a JSON object.
-        The Content-Type and Accept headers
-        are set to application/json (if not specified).
-    ''')
+    '--json', '-j',
+    action='store_true',
+    help="""
+    (default) Data items from the command line are serialized as a JSON object.
+    The Content-Type and Accept headers are set to application/json
+    (if not specified).
+
+    """
 )
 content_type.add_argument(
-    '--form', '-f', action='store_true',
-    help=_('''
-        Data items from the command line are serialized as form fields.
-        The Content-Type is set to application/x-www-form-urlencoded
-        (if not specified).
-        The presence of any file fields results
-        in a multipart/form-data request.
-     ''')
+    '--form', '-f',
+    action='store_true',
+    help="""
+    Data items from the command line are serialized as form fields.
+
+    The Content-Type is set to application/x-www-form-urlencoded (if not
+    specified). The presence of any file fields results in a
+    multipart/form-data request.
+
+    """
 )
 
 
-###############################################################################
+#######################################################################
 # Output processing
-###############################################################################
+#######################################################################
 
 output_processing = parser.add_argument_group(title='Output processing')
 
 output_processing.add_argument(
-    '--output', '-o', type=FileType('w+b'),
-    metavar='FILE',
-    help=SUPPRESS if not is_windows else _(
-        '''
-        Save output to FILE.
-        This option is a replacement for piping output to FILE,
-        which would on Windows result in corrupted data
-        being saved.
+    '--pretty',
+    dest='prettify',
+    default=PRETTY_STDOUT_TTY_ONLY,
+    choices=sorted(PRETTY_MAP.keys()),
+    help="""
+    Controls output processing. The value can be "none" to not prettify
+    the output (default for redirected output), "all" to apply both colors
+    and formatting (default for terminal output), "colors", or "format".
 
-        '''
+    """
+)
+output_processing.add_argument(
+    '--style', '-s',
+    dest='style',
+    metavar='STYLE',
+    default=DEFAULT_STYLE,
+    choices=AVAILABLE_STYLES,
+    help="""
+    Output coloring style (default is "{default}"). On of:
+
+{available}
+
+    For this option to work properly, please make sure that the $TERM
+    environment variable is set to "xterm-256color" or similar
+    (e.g., via `export TERM=xterm-256color' in your ~/.bashrc).
+
+    """
+    .format(
+        default=DEFAULT_STYLE,
+        available='\n'.join(
+            '{0: >20}'.format(line.strip())
+            for line in
+            wrap(' '.join(sorted(AVAILABLE_STYLES)), 60)
+        ),
     )
 )
-output_processing.add_argument(
-    '--pretty', dest='prettify', default=PRETTY_STDOUT_TTY_ONLY,
-    choices=sorted(PRETTY_MAP.keys()),
-    help=_('''
-        Controls output processing. The value can be "none" to not prettify
-        the output (default for redirected output), "all" to apply both colors
-        and formatting
-        (default for terminal output), "colors", or "format".
-    ''')
-)
-output_processing.add_argument(
-    '--style', '-s', dest='style', default=DEFAULT_STYLE, metavar='STYLE',
-    choices=AVAILABLE_STYLES,
-    help=_('''
-        Output coloring style. One of %s. Defaults to "%s".
-        For this option to work properly, please make sure that the
-        $TERM environment variable is set to "xterm-256color" or similar
-        (e.g., via `export TERM=xterm-256color' in your ~/.bashrc).
-    ''') % (', '.join(sorted(AVAILABLE_STYLES)), DEFAULT_STYLE)
-)
 
 
-###############################################################################
+#######################################################################
 # Output options
-###############################################################################
+#######################################################################
 output_options = parser.add_argument_group(title='Output options')
 
 output_options.add_argument(
-    '--print', '-p', dest='output_options', metavar='WHAT',
-    help=_('''
-        String specifying what the output should contain:
-        "{request_headers}" stands for the request headers,  and
-        "{request_body}" for the request body.
-        "{response_headers}" stands for the response headers and
-        "{response_body}" for response the body.
-        The default behaviour is "hb" (i.e., the response
-        headers and body is printed), if standard output is not redirected.
-        If the output is piped to another program or to a file,
-        then only the body is printed by default.
-        '''.format(request_headers=OUT_REQ_HEAD,
-                   request_body=OUT_REQ_BODY,
-                   response_headers=OUT_RESP_HEAD,
-                   response_body=OUT_RESP_BODY,))
+    '--print', '-p',
+    dest='output_options',
+    metavar='WHAT',
+    help="""
+    String specifying what the output should contain:
+
+        '{req_head}' request headers
+        '{req_body}' request body
+        '{res_head}' response headers
+        '{res_body}' response body
+
+    The default behaviour is '{default}' (i.e., the response headers and body
+    is printed), if standard output is not redirected. If the output is piped
+    to another program or to a file, then only the response body is printed
+    by default.
+
+    """
+    .format(
+        req_head=OUT_REQ_HEAD,
+        req_body=OUT_REQ_BODY,
+        res_head=OUT_RESP_HEAD,
+        res_body=OUT_RESP_BODY,
+        default=OUTPUT_OPTIONS_DEFAULT,
+    )
 )
 output_options.add_argument(
-    '--verbose', '-v', dest='output_options',
-    action='store_const', const=''.join(OUTPUT_OPTIONS),
-    help=_('''
-        Print the whole request as well as the response.
-        Shortcut for --print={0}.
-    '''.format(''.join(OUTPUT_OPTIONS)))
+    '--verbose', '-v',
+    dest='output_options',
+    action='store_const',
+    const=''.join(OUTPUT_OPTIONS),
+    help="""
+    Print the whole request as well as the response. Shortcut for --print={0}.
+
+    """
+    .format(''.join(OUTPUT_OPTIONS))
 )
 output_options.add_argument(
-    '--headers', '-h', dest='output_options',
-    action='store_const', const=OUT_RESP_HEAD,
-    help=_('''
-        Print only the response headers.
-        Shortcut for --print={0}.
-    '''.format(OUT_RESP_HEAD))
+    '--headers', '-h',
+    dest='output_options',
+    action='store_const',
+    const=OUT_RESP_HEAD,
+    help="""
+    Print only the response headers. Shortcut for --print={0}.
+
+    """
+    .format(OUT_RESP_HEAD)
 )
 output_options.add_argument(
-    '--body', '-b', dest='output_options',
-    action='store_const', const=OUT_RESP_BODY,
-    help=_('''
-        Print only the response body.
-        Shortcut for --print={0}.
-    '''.format(OUT_RESP_BODY))
+    '--body', '-b',
+    dest='output_options',
+    action='store_const',
+    const=OUT_RESP_BODY,
+    help="""
+    Print only the response body. Shortcut for --print={0}.
+
+    """
+    .format(OUT_RESP_BODY)
 )
 
 output_options.add_argument(
-    '--stream', '-S', action='store_true', default=False,
-    help=_('''
+    '--stream', '-S',
+    action='store_true',
+    default=False,
+    help="""
     Always stream the output by line, i.e., behave like `tail -f'.
 
     Without --stream and with --pretty (either set or implied),
@@ -212,141 +287,248 @@ output_options.add_argument(
     It is useful also without --pretty: It ensures that the output is flushed
     more often and in smaller chunks.
 
-    ''')
+    """
+)
+output_options.add_argument(
+    '--output', '-o',
+    type=FileType('a+b'),
+    dest='output_file',
+    metavar='FILE',
+    help="""
+    Save output to FILE. If --download is set, then only the response body is
+    saved to the file. Other parts of the HTTP exchange are printed to stderr.
+
+    """
+
+)
+
+output_options.add_argument(
+    '--download', '-d',
+    action='store_true',
+    default=False,
+    help="""
+    Do not print the response body to stdout. Rather, download it and store it
+    in a file. The filename is guessed unless specified with --output
+    [filename]. This action is similar to the default behaviour of wget.
+
+    """
+)
+
+output_options.add_argument(
+    '--continue', '-c',
+    dest='download_resume',
+    action='store_true',
+    default=False,
+    help="""
+    Resume an interrupted download. Note that the --output option needs to be
+    specified as well.
+
+    """
 )
 
 
-###############################################################################
+#######################################################################
 # Sessions
-###############################################################################
+#######################################################################
+
 sessions = parser.add_argument_group(title='Sessions')\
                  .add_mutually_exclusive_group(required=False)
 
+session_name_validator = SessionNameValidator(
+    'Session name contains invalid characters.'
+)
+
 sessions.add_argument(
-    '--session', metavar='SESSION_NAME', type=RegexValidator(
-        Session.VALID_NAME_PATTERN,
-        'Session name contains invalid characters.'
-    ),
-    help=_('''
-    Create, or reuse and update a session.
-    Within a session, custom headers, auth credential, as well as any
-    cookies sent by the server persist between requests.
-    Session files are stored in %s/<HOST>/<SESSION_NAME>.json.
-    ''' % DEFAULT_SESSIONS_DIR)
+    '--session',
+    metavar='SESSION_NAME_OR_PATH',
+    type=session_name_validator,
+    help="""
+    Create, or reuse and update a session. Within a session, custom headers,
+    auth credential, as well as any cookies sent by the server persist between
+    requests.
+
+    Session files are stored in:
+
+        {session_dir}/<HOST>/<SESSION_NAME>.json.
+
+    """
+    .format(session_dir=DEFAULT_SESSIONS_DIR)
 )
 sessions.add_argument(
-    '--session-read-only', metavar='SESSION_NAME',
-    help=_('''
-        Create or read a session without updating it form the
-        request/response exchange.
-    ''')
+    '--session-read-only',
+    metavar='SESSION_NAME_OR_PATH',
+    type=session_name_validator,
+    help="""
+    Create or read a session without updating it form the request/response
+    exchange.
+
+    """
 )
 
 
-###############################################################################
+#######################################################################
 # Authentication
-###############################################################################
+#######################################################################
+
 # ``requests.request`` keyword arguments.
 auth = parser.add_argument_group(title='Authentication')
 auth.add_argument(
-    '--auth', '-a', metavar='USER[:PASS]',
+    '--auth', '-a',
+    metavar='USER[:PASS]',
     type=AuthCredentialsArgType(SEP_CREDENTIALS),
-    help=_('''
-        If only the username is provided (-a username),
-        HTTPie will prompt for the password.
-    '''),
+    help="""
+    If only the username is provided (-a username), HTTPie will prompt
+    for the password.
+
+    """,
 )
 
+_auth_plugins = plugin_manager.get_auth_plugins()
 auth.add_argument(
-    '--auth-type', choices=['basic', 'digest'], default='basic',
-    help=_('''
-        The authentication mechanism to be used.
-        Defaults to "basic".
-    ''')
+    '--auth-type',
+    choices=[plugin.auth_type for plugin in _auth_plugins],
+    default=_auth_plugins[0].auth_type,
+    help="""
+    The authentication mechanism to be used. Defaults to "{default}".
+
+    {types}
+
+    """
+    .format(default=_auth_plugins[0].auth_type, types='\n    '.join(
+        '"{type}": {name}{package}{description}'.format(
+            type=plugin.auth_type,
+            name=plugin.name,
+            package=(
+                '' if issubclass(plugin, BuiltinAuthPlugin)
+                else ' (provided by %s)' % plugin.package_name
+            ),
+            description=(
+                '' if not plugin.description else
+                '\n      ' + ('\n      '.join(wrap(plugin.description)))
+            )
+        )
+        for plugin in _auth_plugins
+    )),
 )
 
 
+#######################################################################
 # Network
-#############################################
+#######################################################################
 
 network = parser.add_argument_group(title='Network')
 
 network.add_argument(
-    '--proxy', default=[], action='append', metavar='PROTOCOL:HOST',
+    '--proxy',
+    default=[],
+    action='append',
+    metavar='PROTOCOL:HOST',
     type=KeyValueArgType(SEP_PROXY),
-    help=_('''
-        String mapping protocol to the URL of the proxy
-        (e.g. http:foo.bar:3128). You can specify multiple
-        proxies with different protocols.
-    ''')
+    help="""
+    String mapping protocol to the URL of the proxy (e.g. http:foo.bar:3128).
+    You can specify multiple proxies with different protocols.
+
+    """
 )
 network.add_argument(
-    '--follow', default=False, action='store_true',
-    help=_('''
-        Set this flag if full redirects are allowed
-        (e.g. re-POST-ing of data at new ``Location``)
-    ''')
+    '--follow',
+    default=False,
+    action='store_true',
+    help="""
+    Set this flag if full redirects are allowed (e.g. re-POST-ing of data at
+    new Location).
+
+    """
 )
 network.add_argument(
-    '--verify', default='yes',
-    help=_('''
-        Set to "no" to skip checking the host\'s SSL certificate.
-        You can also pass the  path to a CA_BUNDLE
-        file for private certs. You can also set
-        the REQUESTS_CA_BUNDLE  environment variable.
-        Defaults to "yes".
-    ''')
+    '--verify',
+    default='yes',
+    help="""
+    Set to "no" to skip checking the host's SSL certificate. You can also pass
+    the  path to a CA_BUNDLE file for private certs. You can also set the
+    REQUESTS_CA_BUNDLE  environment variable. Defaults to "yes".
+
+    """
 )
 
 network.add_argument(
-    '--timeout', type=float, default=30, metavar='SECONDS',
-    help=_('''
-        The connection timeout of the request in seconds.
-        The default value is 30 seconds.
-    ''')
+    '--timeout',
+    type=float,
+    default=30,
+    metavar='SECONDS',
+    help="""
+    The connection timeout of the request in seconds. The default value is
+    30 seconds.
+
+    """
 )
 network.add_argument(
-    '--check-status', default=False, action='store_true',
-    help=_('''
-        By default, HTTPie exits with 0 when no network or other fatal
-        errors occur.
+    '--check-status',
+    default=False,
+    action='store_true',
+    help="""
+    By default, HTTPie exits with 0 when no network or other fatal errors
+    occur. This flag instructs HTTPie to also check the HTTP status code and
+    exit with an error if the status indicates one.
 
-        This flag instructs HTTPie to also check the HTTP status code and
-        exit with an error if the status indicates one.
+    When the server replies with a 4xx (Client Error) or 5xx (Server Error)
+    status code, HTTPie exits with 4 or 5 respectively. If the response is a
+    3xx (Redirect) and --follow hasn't been set, then the exit status is 3.
+    Also an error message is written to stderr if stdout is redirected.
 
-        When the server replies with a 4xx (Client Error) or 5xx
-        (Server Error) status code, HTTPie exits with 4 or 5 respectively.
-        If the response is a 3xx (Redirect) and --follow
-        hasn't been set, then the exit status is 3.
-
-        Also an error message is written to stderr if stdout is redirected.
-
-    ''')
+    """
 )
 
 
-###############################################################################
+#######################################################################
 # Troubleshooting
-###############################################################################
+#######################################################################
 
 troubleshooting = parser.add_argument_group(title='Troubleshooting')
 
+troubleshooting.add_argument(
+    '--ignore-stdin',
+    action='store_true',
+    default=False,
+    help="""
+    Do not attempt to read stdin.
+
+    """
+)
 troubleshooting.add_argument(
     '--help',
-    action='help', default=SUPPRESS,
-    help='Show this help message and exit'
+    action='help',
+    default=SUPPRESS,
+    help="""
+    Show this help message and exit.
+
+    """
 )
 troubleshooting.add_argument(
-    '--version', action='version', version=__version__)
-troubleshooting.add_argument(
-    '--traceback', action='store_true', default=False,
-    help='Prints exception traceback should one occur.'
+    '--version',
+    action='version',
+    version=__version__,
+    help="""
+    Show version and exit.
+
+    """
 )
 troubleshooting.add_argument(
-    '--debug', action='store_true', default=False,
-    help=_('''
-        Prints exception traceback should one occur, and also other
-        information that is useful for debugging HTTPie itself and
-        for bug reports.
-    ''')
+    '--traceback',
+    action='store_true',
+    default=False,
+    help="""
+    Prints exception traceback should one occur.
+
+    """
+)
+troubleshooting.add_argument(
+    '--debug',
+    action='store_true',
+    default=False,
+    help="""
+    Prints exception traceback should one occur, and also other information
+    that is useful for debugging HTTPie itself and for reporting bugs.
+
+    """
 )

httpie/client.py

@@ -7,6 +7,7 @@ import requests.auth
 
 from . import sessions
 from . import __version__
+from .plugins import plugin_manager
 
 
 FORM = 'application/x-www-form-urlencoded; charset=utf-8'
@@ -14,6 +15,12 @@ JSON = 'application/json; charset=utf-8'
 DEFAULT_UA = 'HTTPie/%s' % __version__
 
 
+class HTTPie(object):
+
+    def __init__(self, env, plugin_manager):
+        pass
+
+
 def get_response(args, config_dir):
     """Send the request and return a `request.Response`."""
 
@@ -27,9 +34,10 @@ def get_response(args, config_dir):
         response = requests.request(**requests_kwargs)
     else:
         response = sessions.get_response(
+            args=args,
             config_dir=config_dir,
-            name=args.session or args.session_read_only,
-            request_kwargs=requests_kwargs,
+            session_name=args.session or args.session_read_only,
+            requests_kwargs=requests_kwargs,
             read_only=bool(args.session_read_only),
         )
 
@@ -44,9 +52,10 @@ def get_requests_kwargs(args):
     }
 
     auto_json = args.data and not args.form
+    # FIXME: Accept is set to JSON with `http url @./file.txt`.
     if args.json or auto_json:
         implicit_headers['Accept'] = 'application/json'
-        if args.data:
+        if args.json or (auto_json and args.data):
             implicit_headers['Content-Type'] = JSON
 
         if isinstance(args.data, dict):
@@ -68,10 +77,8 @@ def get_requests_kwargs(args):
 
     credentials = None
     if args.auth:
-        credentials = {
-            'basic': requests.auth.HTTPBasicAuth,
-            'digest': requests.auth.HTTPDigestAuth,
-        }[args.auth_type](args.auth.key, args.auth.value)
+        auth_plugin = plugin_manager.get_auth_plugin(args.auth_type)()
+        credentials = auth_plugin.get_auth(args.auth.key, args.auth.value)
 
     kwargs = {
         'stream': True,

httpie/compat.py

@@ -12,7 +12,8 @@ from requests.compat import (
 )
 
 try:
+    #noinspection PyUnresolvedReferences,PyCompatibility
     from urllib.parse import urlsplit
 except ImportError:
+    #noinspection PyUnresolvedReferences,PyCompatibility
     from urlparse import urlsplit
-

httpie/config.py

@@ -16,9 +16,8 @@ DEFAULT_CONFIG_DIR = os.environ.get(
 class BaseConfigDict(dict):
 
     name = None
-    help = None
+    helpurl = None
     about = None
-
     directory = DEFAULT_CONFIG_DIR
 
     def __init__(self, directory=None, *args, **kwargs):
@@ -29,18 +28,24 @@ class BaseConfigDict(dict):
     def __getattr__(self, item):
         return self[item]
 
-    @property
-    def path(self):
-        try:
-            os.makedirs(self.directory, mode=0o700)
-        except OSError as e:
-            if e.errno != errno.EEXIST:
-                raise
+    def _get_path(self):
+        """Return the config file path without side-effects."""
         return os.path.join(self.directory, self.name + '.json')
 
+    @property
+    def path(self):
+        """Return the config file path creating basedir, if needed."""
+        path = self._get_path()
+        try:
+            os.makedirs(os.path.dirname(path), mode=0o700)
+        except OSError as e:
+            if e.errno != errno.EEXIST:
+                raise
+        return path
+
     @property
     def is_new(self):
-        return not os.path.exists(self.path)
+        return not os.path.exists(self._get_path())
 
     def load(self):
         try:
@@ -61,8 +66,8 @@ class BaseConfigDict(dict):
         self['__meta__'] = {
             'httpie': __version__
         }
-        if self.help:
-            self['__meta__']['help'] = self.help
+        if self.helpurl:
+            self['__meta__']['help'] = self.helpurl
 
         if self.about:
             self['__meta__']['about'] = self.about
@@ -82,7 +87,7 @@ class BaseConfigDict(dict):
 class Config(BaseConfigDict):
 
     name = 'config'
-    help = 'https://github.com/jkbr/httpie#config'
+    helpurl = 'https://github.com/jkbr/httpie#config'
     about = 'HTTPie configuration file'
 
     DEFAULTS = {

httpie/core.py

@@ -18,12 +18,13 @@ from httpie import __version__ as httpie_version
 from requests import __version__ as requests_version
 from pygments import __version__ as pygments_version
 
-from .cli import parser
 from .compat import str, is_py3
 from .client import get_response
+from .downloads import Download
 from .models import Environment
-from .output import build_output_stream, write, write_with_colors_win_p3k
+from .output import build_output_stream, write, write_with_colors_win_py3
 from . import ExitStatus
+from .plugins import plugin_manager
 
 
 def get_exit_status(http_status, follow=False):
@@ -57,13 +58,16 @@ def main(args=sys.argv[1:], env=Environment()):
     Return exit status code.
 
     """
+    plugin_manager.load_installed_plugins()
+    from .cli import parser
+
     if env.config.default_options:
         args = env.config.default_options + args
 
     def error(msg, *args, **kwargs):
         msg = msg % args
         level = kwargs.get('level', 'error')
-        env.stderr.write('http: %s: %s\n' % (level, msg))
+        env.stderr.write('\nhttp: %s: %s\n' % (level, msg))
 
     debug = '--debug' in args
     traceback = debug or '--traceback' in args
@@ -74,13 +78,28 @@ def main(args=sys.argv[1:], env=Environment()):
         if args == ['--debug']:
             return exit_status
 
+    download = None
+
     try:
         args = parser.parse_args(args=args, env=env)
 
+        if args.download:
+            args.follow = True  # --download implies --follow.
+            download = Download(
+                output_file=args.output_file,
+                progress_file=env.stderr,
+                resume=args.download_resume
+            )
+            download.pre_request(args.headers)
+
         response = get_response(args, config_dir=env.config.directory)
 
-        if args.check_status:
-            exit_status = get_exit_status(response.status_code, args.follow)
+        if args.check_status or download:
+
+            exit_status = get_exit_status(
+                http_status=response.status_code,
+                follow=args.follow
+            )
 
             if not env.stdout_isatty and exit_status != ExitStatus.OK:
                 error('HTTP %s %s',
@@ -89,25 +108,44 @@ def main(args=sys.argv[1:], env=Environment()):
                       level='warning')
 
         write_kwargs = {
-            'stream': build_output_stream(args, env,
-                                          response.request,
-                                          response),
+            'stream': build_output_stream(
+                args, env, response.request, response),
+
+            # This will in fact be `stderr` with `--download`
             'outfile': env.stdout,
+
             'flush': env.stdout_isatty or args.stream
         }
+
         try:
+
             if env.is_windows and is_py3 and 'colors' in args.prettify:
-                write_with_colors_win_p3k(**write_kwargs)
+                write_with_colors_win_py3(**write_kwargs)
             else:
                 write(**write_kwargs)
 
+            if download and exit_status == ExitStatus.OK:
+                # Response body download.
+                download_stream, download_to = download.start(response)
+                write(
+                    stream=download_stream,
+                    outfile=download_to,
+                    flush=False,
+                )
+                download.finish()
+                if download.interrupted:
+                    exit_status = ExitStatus.ERROR
+                    error('Incomplete download: size=%d; downloaded=%d' % (
+                        download.status.total_size,
+                        download.status.downloaded
+                    ))
+
         except IOError as e:
             if not traceback and e.errno == errno.EPIPE:
                 # Ignore broken pipes unless --traceback.
                 env.stderr.write('\n')
             else:
                 raise
-
     except (KeyboardInterrupt, SystemExit):
         if traceback:
             raise
@@ -126,4 +164,8 @@ def main(args=sys.argv[1:], env=Environment()):
         error('%s: %s', type(e).__name__, str(e))
         exit_status = ExitStatus.ERROR
 
+    finally:
+        if download and not download.finished:
+            download.failed()
+
     return exit_status

httpie/downloads.py

@@ -0,0 +1,427 @@
+# coding=utf-8
+"""
+Download mode implementation.
+
+"""
+from __future__ import division
+import os
+import re
+import sys
+import mimetypes
+import threading
+from time import sleep, time
+from mailbox import Message
+
+from .output import RawStream
+from .models import HTTPResponse
+from .utils import humanize_bytes
+from .compat import urlsplit
+
+
+PARTIAL_CONTENT = 206
+
+
+CLEAR_LINE = '\r\033[K'
+PROGRESS = (
+    '{percentage: 6.2f} %'
+    ' {downloaded: >10}'
+    ' {speed: >10}/s'
+    ' {eta: >8} ETA'
+)
+PROGRESS_NO_CONTENT_LENGTH = '{downloaded: >10} {speed: >10}/s'
+SUMMARY = 'Done. {downloaded} in {time:0.5f}s ({speed}/s)\n'
+SPINNER = '|/-\\'
+
+
+class ContentRangeError(ValueError):
+    pass
+
+
+def parse_content_range(content_range, resumed_from):
+    """
+    Parse and validate Content-Range header.
+
+    <http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html>
+
+    :param content_range: the value of a Content-Range response header
+                          eg. "bytes 21010-47021/47022"
+    :param resumed_from: first byte pos. from the Range request header
+    :return: total size of the response body when fully downloaded.
+
+    """
+    if content_range is None:
+        raise ContentRangeError('Missing Content-Range')
+
+    pattern = (
+        '^bytes (?P<first_byte_pos>\d+)-(?P<last_byte_pos>\d+)'
+        '/(\*|(?P<instance_length>\d+))$'
+    )
+    match = re.match(pattern, content_range)
+
+    if not match:
+        raise ContentRangeError(
+            'Invalid Content-Range format %r' % content_range)
+
+    content_range_dict = match.groupdict()
+    first_byte_pos = int(content_range_dict['first_byte_pos'])
+    last_byte_pos = int(content_range_dict['last_byte_pos'])
+    instance_length = (
+        int(content_range_dict['instance_length'])
+        if content_range_dict['instance_length']
+        else None
+    )
+
+    # "A byte-content-range-spec with a byte-range-resp-spec whose
+    # last- byte-pos value is less than its first-byte-pos value,
+    # or whose instance-length value is less than or equal to its
+    # last-byte-pos value, is invalid. The recipient of an invalid
+    # byte-content-range- spec MUST ignore it and any content
+    # transferred along with it."
+    if (first_byte_pos >= last_byte_pos
+            or (instance_length is not None
+                and instance_length <= last_byte_pos)):
+        raise ContentRangeError(
+            'Invalid Content-Range returned: %r' % content_range)
+
+    if (first_byte_pos != resumed_from
+        or (instance_length is not None
+            and last_byte_pos + 1 != instance_length)):
+        # Not what we asked for.
+        raise ContentRangeError(
+            'Unexpected Content-Range returned (%r)'
+            ' for the requested Range ("bytes=%d-")'
+            % (content_range, resumed_from)
+        )
+
+    return last_byte_pos + 1
+
+
+def filename_from_content_disposition(content_disposition):
+    """
+    Extract and validate filename from a Content-Disposition header.
+
+    :param content_disposition: Content-Disposition value
+    :return: the filename if present and valid, otherwise `None`
+
+    """
+    # attachment; filename=jkbr-httpie-0.4.1-20-g40bd8f6.tar.gz
+
+    msg = Message('Content-Disposition: %s' % content_disposition)
+    filename = msg.get_filename()
+    if filename:
+        # Basic sanitation.
+        filename = os.path.basename(filename).lstrip('.').strip()
+        if filename:
+            return filename
+
+
+def filename_from_url(url, content_type):
+    fn = urlsplit(url).path.rstrip('/')
+    fn = os.path.basename(fn) if fn else 'index'
+    if '.' not in fn and content_type:
+        content_type = content_type.split(';')[0]
+        if content_type == 'text/plain':
+            # mimetypes returns '.ksh'
+            ext = '.txt'
+        else:
+            ext = mimetypes.guess_extension(content_type)
+
+        if ext == '.htm':  # Python 3
+            ext = '.html'
+
+        if ext:
+            fn += ext
+
+    return fn
+
+
+def get_unique_filename(fn, exists=os.path.exists):
+    attempt = 0
+    while True:
+        suffix = '-' + str(attempt) if attempt > 0 else ''
+        if not exists(fn + suffix):
+            return fn + suffix
+        attempt += 1
+
+
+class Download(object):
+
+    def __init__(self, output_file=None,
+                 resume=False, progress_file=sys.stderr):
+        """
+        :param resume: Should the download resume if partial download
+                       already exists.
+        :type resume: bool
+
+        :param output_file: The file to store response body in. If not
+                            provided, it will be guessed from the response.
+        :type output_file: file
+
+        :param progress_file: Where to report download progress.
+        :type progress_file: file
+
+        """
+        self._output_file = output_file
+        self._resume = resume
+        self._resumed_from = 0
+        self.finished = False
+
+        self.status = Status()
+        self._progress_reporter = ProgressReporterThread(
+            status=self.status,
+            output=progress_file
+        )
+
+    def pre_request(self, request_headers):
+        """Called just before the HTTP request is sent.
+
+        Might alter `request_headers`.
+
+        :type request_headers: dict
+
+        """
+        # Disable content encoding so that we can resume, etc.
+        request_headers['Accept-Encoding'] = None
+        if self._resume:
+            bytes_have = os.path.getsize(self._output_file.name)
+            if bytes_have:
+                # Set ``Range`` header to resume the download
+                # TODO: Use "If-Range: mtime" to make sure it's fresh?
+                request_headers['Range'] = 'bytes=%d-' % bytes_have
+                self._resumed_from = bytes_have
+
+    def start(self, response):
+        """
+        Initiate and return a stream for `response` body  with progress
+        callback attached. Can be called only once.
+
+        :param response: Initiated response object with headers already fetched
+        :type response: requests.models.Response
+
+        :return: RawStream, output_file
+
+        """
+        assert not self.status.time_started
+
+        try:
+            total_size = int(response.headers['Content-Length'])
+        except (KeyError, ValueError, TypeError):
+            total_size = None
+
+        if self._output_file:
+            if self._resume and response.status_code == PARTIAL_CONTENT:
+                total_size = parse_content_range(
+                    response.headers.get('Content-Range'),
+                    self._resumed_from
+                )
+
+            else:
+                self._resumed_from = 0
+                try:
+                    self._output_file.seek(0)
+                    self._output_file.truncate()
+                except IOError:
+                    pass  # stdout
+        else:
+            # TODO: Should the filename be taken from response.history[0].url?
+            # Output file not specified. Pick a name that doesn't exist yet.
+            fn = None
+            if 'Content-Disposition' in response.headers:
+                fn = filename_from_content_disposition(
+                    response.headers['Content-Disposition'])
+            if not fn:
+                fn = filename_from_url(
+                    url=response.url,
+                    content_type=response.headers.get('Content-Type'),
+                )
+            self._output_file = open(get_unique_filename(fn), mode='a+b')
+
+        self.status.started(
+            resumed_from=self._resumed_from,
+            total_size=total_size
+        )
+
+        stream = RawStream(
+            msg=HTTPResponse(response),
+            with_headers=False,
+            with_body=True,
+            on_body_chunk_downloaded=self.chunk_downloaded,
+            chunk_size=1024 * 8
+        )
+
+        self._progress_reporter.output.write(
+            'Downloading %sto "%s"\n' % (
+                (humanize_bytes(total_size) + ' '
+                 if total_size is not None
+                 else ''),
+                self._output_file.name
+            )
+        )
+        self._progress_reporter.start()
+
+        return stream, self._output_file
+
+    def finish(self):
+        assert not self.finished
+        self.finished = True
+        self.status.finished()
+
+    def failed(self):
+        self._progress_reporter.stop()
+
+    @property
+    def interrupted(self):
+        return (
+            self.finished
+            and self.status.total_size
+            and self.status.total_size != self.status.downloaded
+        )
+
+    def chunk_downloaded(self, chunk):
+        """
+        A download progress callback.
+
+        :param chunk: A chunk of response body data that has just
+                      been downloaded and written to the output.
+        :type chunk: bytes
+
+        """
+        self.status.chunk_downloaded(len(chunk))
+
+
+class Status(object):
+    """Holds details about the downland status."""
+
+    def __init__(self):
+        self.downloaded = 0
+        self.total_size = None
+        self.resumed_from = 0
+        self.time_started = None
+        self.time_finished = None
+
+    def started(self, resumed_from=0, total_size=None):
+        assert self.time_started is None
+        if total_size is not None:
+            self.total_size = total_size
+        self.downloaded = self.resumed_from = resumed_from
+        self.time_started = time()
+
+    def chunk_downloaded(self, size):
+        assert self.time_finished is None
+        self.downloaded += size
+
+    @property
+    def has_finished(self):
+        return self.time_finished is not None
+
+    def finished(self):
+        assert self.time_started is not None
+        assert self.time_finished is None
+        self.time_finished = time()
+
+
+class ProgressReporterThread(threading.Thread):
+    """
+    Reports download progress based on its status.
+
+    Uses threading to periodically update the status (speed, ETA, etc.).
+
+    """
+    def __init__(self, status, output, tick=.1, update_interval=1):
+        """
+
+        :type status: Status
+        :type output: file
+        """
+        super(ProgressReporterThread, self).__init__()
+        self.status = status
+        self.output = output
+        self._tick = tick
+        self._update_interval = update_interval
+        self._spinner_pos = 0
+        self._status_line = ''
+        self._prev_bytes = 0
+        self._prev_time = time()
+        self._should_stop = threading.Event()
+
+    def stop(self):
+        """Stop reporting on next tick."""
+        self._should_stop.set()
+
+    def run(self):
+        while not self._should_stop.is_set():
+            if self.status.has_finished:
+                self.sum_up()
+                break
+
+            self.report_speed()
+            sleep(self._tick)
+
+    def report_speed(self):
+
+        now = time()
+
+        if now - self._prev_time >= self._update_interval:
+            downloaded = self.status.downloaded
+            try:
+                speed = ((downloaded - self._prev_bytes)
+                         / (now - self._prev_time))
+            except ZeroDivisionError:
+                speed = 0
+
+            if not self.status.total_size:
+                self._status_line = PROGRESS_NO_CONTENT_LENGTH.format(
+                    downloaded=humanize_bytes(downloaded),
+                    speed=humanize_bytes(speed),
+                )
+            else:
+                try:
+                    percentage = downloaded / self.status.total_size * 100
+                except ZeroDivisionError:
+                    percentage = 0
+
+                if not speed:
+                    eta = '-:--:--'
+                else:
+                    s = int((self.status.total_size - downloaded) / speed)
+                    h, s = divmod(s, 60 * 60)
+                    m, s = divmod(s, 60)
+                    eta = '{0}:{1:0>2}:{2:0>2}'.format(h, m, s)
+
+                self._status_line = PROGRESS.format(
+                    percentage=percentage,
+                    downloaded=humanize_bytes(downloaded),
+                    speed=humanize_bytes(speed),
+                    eta=eta,
+                )
+
+            self._prev_time = now
+            self._prev_bytes = downloaded
+
+        self.output.write(
+            CLEAR_LINE
+            + ' '
+            + SPINNER[self._spinner_pos]
+            + ' '
+            + self._status_line
+        )
+        self.output.flush()
+
+        self._spinner_pos = (self._spinner_pos + 1
+                             if self._spinner_pos + 1 != len(SPINNER)
+                             else 0)
+
+    def sum_up(self):
+        actually_downloaded = (self.status.downloaded
+                               - self.status.resumed_from)
+        time_taken = self.status.time_finished - self.status.time_started
+
+        self.output.write(CLEAR_LINE)
+        self.output.write(SUMMARY.format(
+            downloaded=humanize_bytes(actually_downloaded),
+            total=(self.status.total_size
+                   and humanize_bytes(self.status.total_size)),
+            speed=humanize_bytes(actually_downloaded / time_taken),
+            time=time_taken,
+        ))
+        self.output.flush()

httpie/input.py

@@ -6,8 +6,9 @@ import sys
 import re
 import json
 import mimetypes
-import getpass
+from getpass import getpass
 from io import BytesIO
+#noinspection PyCompatibility
 from argparse import ArgumentParser, ArgumentTypeError, ArgumentError
 
 try:
@@ -20,6 +21,7 @@ except ImportError:
 from requests.structures import CaseInsensitiveDict
 
 from .compat import urlsplit, str
+from .sessions import VALID_SESSION_NAME_PATTERN
 
 
 HTTP_POST = 'POST'
@@ -98,57 +100,106 @@ class Parser(ArgumentParser):
     def parse_args(self, env, args=None, namespace=None):
 
         self.env = env
+        self.args, no_options = super(Parser, self)\
+            .parse_known_args(args, namespace)
 
-        args, no_options = super(Parser, self).parse_known_args(args,
-                                                                namespace)
+        if self.args.debug:
+            self.args.traceback = True
 
-        self._apply_no_options(args, no_options)
+        # Arguments processing and environment setup.
+        self._apply_no_options(no_options)
+        self._apply_config()
+        self._validate_download_options()
+        self._setup_standard_streams()
+        self._process_output_options()
+        self._process_pretty_options()
+        self._guess_method()
+        self._parse_items()
+        if not self.args.ignore_stdin and not env.stdin_isatty:
+            self._body_from_file(self.env.stdin)
+        if not (self.args.url.startswith((HTTP, HTTPS))):
+            # Default to 'https://' if invoked as `https args`.
+            scheme = HTTPS if self.env.progname == 'https' else HTTP
+            self.args.url = scheme + self.args.url
+        self._process_auth()
 
-        if not args.json and env.config.implicit_content_type == 'form':
-            args.form = True
+        return self.args
 
-        if args.debug:
-            args.traceback = True
+    # noinspection PyShadowingBuiltins
+    def _print_message(self, message, file=None):
+        # Sneak in our stderr/stdout.
+        file = {
+            sys.stdout: self.env.stdout,
+            sys.stderr: self.env.stderr,
+            None: self.env.stderr
+        }.get(file, file)
 
-        if args.output:
-            env.stdout = args.output
-            env.stdout_isatty = False
+        super(Parser, self)._print_message(message, file)
 
-        self._process_output_options(args, env)
-        self._process_pretty_options(args, env)
-        self._guess_method(args, env)
-        self._parse_items(args)
+    def _setup_standard_streams(self):
+        """
+        Modify `env.stdout` and `env.stdout_isatty` based on args, if needed.
 
-        if not env.stdin_isatty:
-            self._body_from_file(args, env.stdin)
+        """
+        if not self.env.stdout_isatty and self.args.output_file:
+            self.error('Cannot use --output, -o with redirected output.')
 
-        if not (args.url.startswith(HTTP) or args.url.startswith(HTTPS)):
-            scheme = HTTPS if env.progname == 'https' else HTTP
-            args.url = scheme + args.url
+        # FIXME: Come up with a cleaner solution.
+        if self.args.download:
 
-        self._process_auth(args)
+            if not self.env.stdout_isatty:
+                # Use stdout as tge download output file.
+                self.args.output_file = self.env.stdout
 
-        return args
+            # With `--download`, we write everything that would normally go to
+            # `stdout` to `stderr` instead. Let's replace the stream so that
+            # we don't have to use many `if`s throughout the codebase.
+            # The response body will be treated separately.
+            self.env.stdout = self.env.stderr
+            self.env.stdout_isatty = self.env.stderr_isatty
 
-    def _process_auth(self, args):
-        url = urlsplit(args.url)
+        elif self.args.output_file:
+            # When not `--download`ing, then `--output` simply replaces
+            # `stdout`. The file is opened for appending, which isn't what
+            # we want in this case.
+            self.args.output_file.seek(0)
+            self.args.output_file.truncate()
 
-        if args.auth:
-            if not args.auth.has_password():
+            self.env.stdout = self.args.output_file
+            self.env.stdout_isatty = False
+
+    def _apply_config(self):
+        if (not self.args.json
+                and self.env.config.implicit_content_type == 'form'):
+            self.args.form = True
+
+    def _process_auth(self):
+        """
+        If only a username provided via --auth, then ask for a password.
+        Or, take credentials from the URL, if provided.
+
+        """
+        url = urlsplit(self.args.url)
+
+        if self.args.auth:
+            if not self.args.auth.has_password():
                 # Stdin already read (if not a tty) so it's save to prompt.
-                args.auth.prompt_password(url.netloc)
+                if self.args.ignore_stdin:
+                    self.error('Unable to prompt for passwords because'
+                               ' --ignore-stdin is set.')
+                self.args.auth.prompt_password(url.netloc)
 
         elif url.username is not None:
             # Handle http://username:password@hostname/
             username, password = url.username, url.password
-            args.auth = AuthCredentials(
+            self.args.auth = AuthCredentials(
                 key=username,
                 value=password,
                 sep=SEP_CREDENTIALS,
                 orig=SEP_CREDENTIALS.join([username, password])
             )
 
-    def _apply_no_options(self, args, no_options):
+    def _apply_no_options(self, no_options):
         """For every `--no-OPTION` in `no_options`, set `args.OPTION` to
         its default value. This allows for un-setting of options, e.g.,
         specified in config.
@@ -165,7 +216,7 @@ class Parser(ArgumentParser):
             inverted = '--' + option[5:]
             for action in self._actions:
                 if inverted in action.option_strings:
-                    setattr(args, action.dest, action.default)
+                    setattr(self.args, action.dest, action.default)
                     break
             else:
                 invalid.append(option)
@@ -174,123 +225,143 @@ class Parser(ArgumentParser):
             msg = 'unrecognized arguments: %s'
             self.error(msg % ' '.join(invalid))
 
-    def _print_message(self, message, file=None):
-        # Sneak in our stderr/stdout.
-        file = {
-            sys.stdout: self.env.stdout,
-            sys.stderr: self.env.stderr,
-            None: self.env.stderr
-        }.get(file, file)
-
-        super(Parser, self)._print_message(message, file)
-
-    def _body_from_file(self, args, fd):
+    def _body_from_file(self, fd):
         """There can only be one source of request data.
 
         Bytes are always read.
 
         """
-        if args.data:
+        if self.args.data:
             self.error('Request body (from stdin or a file) and request '
                        'data (key=value) cannot be mixed.')
-        args.data = getattr(fd, 'buffer', fd).read()
+        self.args.data = getattr(fd, 'buffer', fd).read()
 
-    def _guess_method(self, args, env):
+    def _guess_method(self):
         """Set `args.method` if not specified to either POST or GET
         based on whether the request has data or not.
 
         """
-        if args.method is None:
+        if self.args.method is None:
             # Invoked as `http URL'.
-            assert not args.items
-            if not env.stdin_isatty:
-                args.method = HTTP_POST
+            assert not self.args.items
+            if not self.args.ignore_stdin and not self.env.stdin_isatty:
+                self.args.method = HTTP_POST
             else:
-                args.method = HTTP_GET
+                self.args.method = HTTP_GET
 
         # FIXME: False positive, e.g., "localhost" matches but is a valid URL.
-        elif not re.match('^[a-zA-Z]+$', args.method):
+        elif not re.match('^[a-zA-Z]+$', self.args.method):
             # Invoked as `http URL item+'. The URL is now in `args.method`
             # and the first ITEM is now incorrectly in `args.url`.
             try:
                 # Parse the URL as an ITEM and store it as the first ITEM arg.
-                args.items.insert(
-                    0, KeyValueArgType(*SEP_GROUP_ITEMS).__call__(args.url))
+                self.args.items.insert(
+                    0,
+                    KeyValueArgType(*SEP_GROUP_ITEMS).__call__(self.args.url)
+                )
 
             except ArgumentTypeError as e:
-                if args.traceback:
+                if self.args.traceback:
                     raise
                 self.error(e.message)
 
             else:
                 # Set the URL correctly
-                args.url = args.method
+                self.args.url = self.args.method
                 # Infer the method
-                has_data = not env.stdin_isatty or any(
-                    item.sep in SEP_GROUP_DATA_ITEMS for item in args.items)
-                args.method = HTTP_POST if has_data else HTTP_GET
+                has_data = (
+                    (not self.args.ignore_stdin and
+                     not self.env.stdin_isatty) or any(
+                        item.sep in SEP_GROUP_DATA_ITEMS
+                        for item in self.args.items
+                    )
+                )
+                self.args.method = HTTP_POST if has_data else HTTP_GET
 
-    def _parse_items(self, args):
-        """Parse `args.items` into `args.headers`, `args.data`,
-        `args.`, and `args.files`.
+    def _parse_items(self):
+        """Parse `args.items` into `args.headers`, `args.data`, `args.params`,
+         and `args.files`.
 
         """
-        args.headers = CaseInsensitiveDict()
-        args.data = ParamDict() if args.form else OrderedDict()
-        args.files = OrderedDict()
-        args.params = ParamDict()
+        self.args.headers = CaseInsensitiveDict()
+        self.args.data = ParamDict() if self.args.form else OrderedDict()
+        self.args.files = OrderedDict()
+        self.args.params = ParamDict()
 
         try:
-            parse_items(items=args.items,
-                        headers=args.headers,
-                        data=args.data,
-                        files=args.files,
-                        params=args.params)
+            parse_items(items=self.args.items,
+                        headers=self.args.headers,
+                        data=self.args.data,
+                        files=self.args.files,
+                        params=self.args.params)
         except ParseError as e:
-            if args.traceback:
+            if self.args.traceback:
                 raise
             self.error(e.message)
 
-        if args.files and not args.form:
+        if self.args.files and not self.args.form:
             # `http url @/path/to/file`
-            file_fields = list(args.files.keys())
+            file_fields = list(self.args.files.keys())
             if file_fields != ['']:
                 self.error(
                     'Invalid file fields (perhaps you meant --form?): %s'
                     % ','.join(file_fields))
 
-            fn, fd = args.files['']
-            args.files = {}
-            self._body_from_file(args, fd)
-            if 'Content-Type' not in args.headers:
+            fn, fd = self.args.files['']
+            self.args.files = {}
+
+            self._body_from_file(fd)
+
+            if 'Content-Type' not in self.args.headers:
                 mime, encoding = mimetypes.guess_type(fn, strict=False)
                 if mime:
                     content_type = mime
                     if encoding:
                         content_type = '%s; charset=%s' % (mime, encoding)
-                    args.headers['Content-Type'] = content_type
+                    self.args.headers['Content-Type'] = content_type
 
-    def _process_output_options(self, args, env):
-        """Apply defaults to output options or validate the provided ones.
+    def _process_output_options(self):
+        """Apply defaults to output options, or validate the provided ones.
 
         The default output options are stdout-type-sensitive.
 
         """
-        if not args.output_options:
-            args.output_options = (OUTPUT_OPTIONS_DEFAULT if env.stdout_isatty
-                                else OUTPUT_OPTIONS_DEFAULT_STDOUT_REDIRECTED)
+        if not self.args.output_options:
+            self.args.output_options = (
+                OUTPUT_OPTIONS_DEFAULT
+                if self.env.stdout_isatty
+                else OUTPUT_OPTIONS_DEFAULT_STDOUT_REDIRECTED
+            )
 
-        unknown = set(args.output_options) - OUTPUT_OPTIONS
-        if unknown:
-            self.error('Unknown output options: %s' % ','.join(unknown))
+        unknown_output_options = set(self.args.output_options) - OUTPUT_OPTIONS
+        if unknown_output_options:
+            self.error(
+                'Unknown output options: %s' % ','.join(unknown_output_options)
+            )
 
-    def _process_pretty_options(self, args, env):
-        if args.prettify == PRETTY_STDOUT_TTY_ONLY:
-            args.prettify = PRETTY_MAP['all' if env.stdout_isatty else 'none']
-        elif args.prettify and env.is_windows:
+        if self.args.download and OUT_RESP_BODY in self.args.output_options:
+            # Response body is always downloaded with --download and it goes
+            # through a different routine, so we remove it.
+            self.args.output_options = str(
+                set(self.args.output_options) - set(OUT_RESP_BODY))
+
+    def _process_pretty_options(self):
+        if self.args.prettify == PRETTY_STDOUT_TTY_ONLY:
+            self.args.prettify = PRETTY_MAP[
+                'all' if self.env.stdout_isatty else 'none']
+        elif self.args.prettify and self.env.is_windows:
             self.error('Only terminal output can be colorized on Windows.')
         else:
-            args.prettify = PRETTY_MAP[args.prettify]
+            # noinspection PyTypeChecker
+            self.args.prettify = PRETTY_MAP[self.args.prettify]
+
+    def _validate_download_options(self):
+        if not self.args.download:
+            if self.args.download_resume:
+                self.error('--continue only works with --download')
+        if self.args.download_resume and not (
+                self.args.download and self.args.output_file):
+            self.error('--continue requires --output to be specified')
 
 
 class ParseError(Exception):
@@ -310,34 +381,15 @@ class KeyValue(object):
         return self.__dict__ == other.__dict__
 
 
-def session_name_arg_type(name):
-    from .sessions import Session
-    if not Session.is_valid_name(name):
-        raise ArgumentTypeError(
-            'special characters and spaces are not'
-            ' allowed in session names: "%s"'
-            % name)
-    return name
+class SessionNameValidator(object):
 
-
-def host_name_arg_type(name):
-    from .sessions import Host
-    if not Host.is_valid_name(name):
-        raise ArgumentTypeError(
-            'special characters and spaces are not'
-            ' allowed in host names: "%s"'
-            % name)
-    return name
-
-
-class RegexValidator(object):
-
-    def __init__(self, pattern, error_message):
-        self.pattern = re.compile(pattern)
+    def __init__(self, error_message):
         self.error_message = error_message
 
     def __call__(self, value):
-        if not self.pattern.search(value):
+        # Session name can be a path or just a name.
+        if (os.path.sep not in value
+                and not VALID_SESSION_NAME_PATTERN.search(value)):
             raise ArgumentError(None, self.error_message)
         return value
 
@@ -372,8 +424,8 @@ class KeyValueArgType(object):
             """Tokenize `s`. There are only two token types - strings
             and escaped characters:
 
-            >>> tokenize(r'foo\=bar\\baz')
-            ['foo', Escaped('='), 'bar', Escaped('\\'), 'baz']
+            tokenize(r'foo\=bar\\baz')
+            => ['foo', Escaped('='), 'bar', Escaped('\\'), 'baz']
 
             """
             tokens = ['']

httpie/models.py

@@ -19,23 +19,27 @@ class Environment(object):
     if progname not in ['http', 'https']:
         progname = 'http'
 
-    stdin_isatty = sys.stdin.isatty()
-    stdin = sys.stdin
-    stdout_isatty = sys.stdout.isatty()
-
     config_dir = DEFAULT_CONFIG_DIR
 
-    if stdout_isatty and is_windows:
-        from colorama.initialise import wrap_stream
-        stdout = wrap_stream(sys.stdout, convert=None,
-                             strip=None, autoreset=True, wrap=True)
-    else:
-        stdout = sys.stdout
-    stderr = sys.stderr
-
     # Can be set to 0 to disable colors completely.
     colors = 256 if '256color' in os.environ.get('TERM', '') else 88
 
+    stdin = sys.stdin
+    stdin_isatty = sys.stdin.isatty()
+
+    stdout_isatty = sys.stdout.isatty()
+    stderr_isatty = sys.stderr.isatty()
+    if is_windows:
+        # noinspection PyUnresolvedReferences
+        from colorama.initialise import wrap_stream
+        stdout = wrap_stream(sys.stdout, convert=None,
+                             strip=None, autoreset=True, wrap=True)
+        stderr = wrap_stream(sys.stderr, convert=None,
+                             strip=None, autoreset=True, wrap=True)
+    else:
+        stdout = sys.stdout
+        stderr = sys.stderr
+
     def __init__(self, **kwargs):
         assert all(hasattr(type(self), attr)
                    for attr in kwargs.keys())
@@ -84,7 +88,13 @@ class HTTPMessage(object):
     @property
     def content_type(self):
         """Return the message content type."""
-        ct = self._orig.headers.get('Content-Type', '')
+        ct = self._orig.headers.get(
+            b'Content-Type',
+            self._orig.headers.get(
+                'Content-Type',
+                ''
+            )
+        )
         if isinstance(ct, bytes):
             ct = ct.decode()
         return ct
@@ -99,6 +109,7 @@ class HTTPResponse(HTTPMessage):
     def iter_lines(self, chunk_size):
         return ((line, b'\n') for line in self._orig.iter_lines(chunk_size))
 
+    #noinspection PyProtectedMember
     @property
     def headers(self):
         original = self._orig.raw._original_response

httpie/output.py

@@ -2,6 +2,7 @@
 
 """
 import json
+import xml.dom.minidom
 from functools import partial
 from itertools import chain
 
@@ -20,6 +21,9 @@ from .input import (OUT_REQ_BODY, OUT_REQ_HEAD,
                     OUT_RESP_HEAD, OUT_RESP_BODY)
 
 
+# The default number of spaces to indent when pretty printing
+DEFAULT_INDENT = 4
+
 # Colors on Windows via colorama don't look that
 # great and fruity seems to give the best result there.
 AVAILABLE_STYLES = set(STYLE_MAP.keys())
@@ -61,7 +65,7 @@ def write(stream, outfile, flush):
             outfile.flush()
 
 
-def write_with_colors_win_p3k(stream, outfile, flush):
+def write_with_colors_win_py3(stream, outfile, flush):
     """Like `write`, but colorized chunks are written as text
     directly to `outfile` to ensure it gets processed by colorama.
     Applies only to Windows with Python 3 and colorized terminal output.
@@ -147,7 +151,8 @@ def get_stream_type(env, args):
 class BaseStream(object):
     """Base HTTP message output stream class."""
 
-    def __init__(self, msg, with_headers=True, with_body=True):
+    def __init__(self, msg, with_headers=True, with_body=True,
+                 on_body_chunk_downloaded=None):
         """
         :param msg: a :class:`models.HTTPMessage` subclass
         :param with_headers: if `True`, headers will be included
@@ -158,6 +163,7 @@ class BaseStream(object):
         self.msg = msg
         self.with_headers = with_headers
         self.with_body = with_body
+        self.on_body_chunk_downloaded = on_body_chunk_downloaded
 
     def _get_headers(self):
         """Return the headers' bytes."""
@@ -177,6 +183,8 @@ class BaseStream(object):
             try:
                 for chunk in self._iter_body():
                     yield chunk
+                    if self.on_body_chunk_downloaded:
+                        self.on_body_chunk_downloaded(chunk)
             except BinarySuppressedError as e:
                 if self.with_headers:
                     yield b'\n'
@@ -187,7 +195,7 @@ class RawStream(BaseStream):
     """The message is streamed in chunks with no processing."""
 
     CHUNK_SIZE = 1024 * 100
-    CHUNK_SIZE_BY_LINE = 1024 * 5
+    CHUNK_SIZE_BY_LINE = 1
 
     def __init__(self, chunk_size=CHUNK_SIZE, **kwargs):
         super(RawStream, self).__init__(**kwargs)
@@ -205,7 +213,7 @@ class EncodedStream(BaseStream):
     is suppressed. The body is always streamed by line.
 
     """
-    CHUNK_SIZE = 1024 * 5
+    CHUNK_SIZE = 1
 
     def __init__(self, env=Environment(), **kwargs):
 
@@ -241,7 +249,7 @@ class PrettyStream(EncodedStream):
 
     """
 
-    CHUNK_SIZE = 1024 * 5
+    CHUNK_SIZE = 1
 
     def __init__(self, processor, **kwargs):
         super(PrettyStream, self).__init__(**kwargs)
@@ -260,8 +268,9 @@ class PrettyStream(EncodedStream):
     def _process_body(self, chunk):
         return (self.processor
                     .process_body(
-                        chunk.decode(self.msg.encoding, 'replace'),
-                        self.msg.content_type)
+                        content=chunk.decode(self.msg.encoding, 'replace'),
+                        content_type=self.msg.content_type,
+                        encoding=self.msg.encoding)
                     .encode(self.output_encoding, 'replace'))
 
 
@@ -363,12 +372,13 @@ class BaseProcessor(object):
         """
         return headers
 
-    def process_body(self, content, content_type, subtype):
+    def process_body(self, content, content_type, subtype, encoding):
         """Return processed `content`.
 
         :param content: The body content as text
         :param content_type: Full content type, e.g., 'application/atom+xml'.
         :param subtype: E.g. 'xml'.
+        :param encoding: The original content encoding.
 
         """
         return content
@@ -377,7 +387,7 @@ class BaseProcessor(object):
 class JSONProcessor(BaseProcessor):
     """JSON body processor."""
 
-    def process_body(self, content, content_type, subtype):
+    def process_body(self, content, content_type, subtype, encoding):
         if subtype == 'json':
             try:
                 # Indent the JSON data, sort keys by name, and
@@ -385,13 +395,29 @@ class JSONProcessor(BaseProcessor):
                 content = json.dumps(json.loads(content),
                                      sort_keys=True,
                                      ensure_ascii=False,
-                                     indent=4)
+                                     indent=DEFAULT_INDENT)
             except ValueError:
                 # Invalid JSON but we don't care.
                 pass
         return content
 
 
+class XMLProcessor(BaseProcessor):
+    """XML body processor."""
+    # TODO: tests
+
+    def process_body(self, content, content_type, subtype, encoding):
+        if subtype == 'xml':
+            try:
+                # Pretty print the XML
+                doc = xml.dom.minidom.parseString(content.encode(encoding))
+                content = doc.toprettyxml(indent=' ' * DEFAULT_INDENT)
+            except xml.parsers.expat.ExpatError:
+                # Ignore invalid XML errors (skips attempting to pretty print)
+                pass
+        return content
+
+
 class PygmentsProcessor(BaseProcessor):
     """A processor that applies syntax-highlighting using Pygments
     to the headers, and to the body as well if its content type is recognized.
@@ -423,7 +449,7 @@ class PygmentsProcessor(BaseProcessor):
         return pygments.highlight(
             headers, HTTPLexer(), self.formatter).strip()
 
-    def process_body(self, content, content_type, subtype):
+    def process_body(self, content, content_type, subtype, encoding):
         try:
             lexer = self.lexers_by_type.get(content_type)
             if not lexer:
@@ -456,7 +482,8 @@ class OutputProcessor(object):
     installed_processors = {
         'format': [
             HeadersProcessor,
-            JSONProcessor
+            JSONProcessor,
+            XMLProcessor
         ],
         'colors': [
             PygmentsProcessor
@@ -482,13 +509,18 @@ class OutputProcessor(object):
             headers = processor.process_headers(headers)
         return headers
 
-    def process_body(self, content, content_type):
+    def process_body(self, content, content_type, encoding):
         # e.g., 'application/atom+xml'
         content_type = content_type.split(';')[0]
         # e.g., 'xml'
         subtype = content_type.split('/')[-1].split('+')[-1]
 
         for processor in self.processors:
-            content = processor.process_body(content, content_type, subtype)
+            content = processor.process_body(
+                content,
+                content_type,
+                subtype,
+                encoding
+            )
 
         return content

httpie/plugins/__init__.py

@@ -0,0 +1,9 @@
+from .base import AuthPlugin
+from .manager import PluginManager
+from .builtin import BasicAuthPlugin, DigestAuthPlugin
+
+
+plugin_manager = PluginManager()
+plugin_manager.register(BasicAuthPlugin)
+plugin_manager.register(DigestAuthPlugin)
+

httpie/plugins/base.py

@@ -0,0 +1,28 @@
+class AuthPlugin(object):
+    """
+    Base auth plugin class.
+
+    See <https://github.com/jkbr/httpie-ntlm> for an example auth plugin.
+
+    """
+
+    # The value that should be passed to --auth-type
+    # to use this auth plugin. Eg. "my-auth"
+    auth_type = None
+
+    # The name of the plugin, eg. "My auth".
+    name = None
+
+    # Optional short description. Will be be shown in the help
+    # under --auth-type.
+    description = None
+
+    # This be set automatically once the plugin has been loaded.
+    package_name = None
+
+    def get_auth(self, username, password):
+        """
+        Return a ``requests.auth.AuthBase`` subclass instance.
+
+        """
+        raise NotImplementedError()

httpie/plugins/builtin.py

@@ -0,0 +1,26 @@
+import requests.auth
+
+from .base import AuthPlugin
+
+
+class BuiltinAuthPlugin(AuthPlugin):
+
+    package_name = '(builtin)'
+
+
+class BasicAuthPlugin(BuiltinAuthPlugin):
+
+    name = 'Basic HTTP auth'
+    auth_type = 'basic'
+
+    def get_auth(self, username, password):
+        return requests.auth.HTTPBasicAuth(username, password)
+
+
+class DigestAuthPlugin(BuiltinAuthPlugin):
+
+    name = 'Digest HTTP auth'
+    auth_type = 'digest'
+
+    def get_auth(self, username, password):
+        return requests.auth.HTTPDigestAuth(username, password)

httpie/plugins/manager.py

@@ -0,0 +1,35 @@
+from pkg_resources import iter_entry_points
+
+
+ENTRY_POINT_NAMES = [
+    'httpie.plugins.auth.v1'
+]
+
+
+class PluginManager(object):
+
+    def __init__(self):
+        self._plugins = []
+
+    def __iter__(self):
+        return iter(self._plugins)
+
+    def register(self, plugin):
+        self._plugins.append(plugin)
+
+    def get_auth_plugins(self):
+        return list(self._plugins)
+
+    def get_auth_plugin_mapping(self):
+        return dict((plugin.auth_type, plugin) for plugin in self)
+
+    def get_auth_plugin(self, auth_type):
+        return self.get_auth_plugin_mapping()[auth_type]
+
+    def load_installed_plugins(self):
+
+        for entry_point_name in ENTRY_POINT_NAMES:
+            for entry_point in iter_entry_points(entry_point_name):
+                plugin = entry_point.load()
+                plugin.package_name = entry_point.dist.key
+                self.register(entry_point.load())

httpie/sessions.py

@@ -3,52 +3,68 @@
 """
 import re
 import os
-import glob
-import errno
-import shutil
 
 import requests
 from requests.cookies import RequestsCookieJar, create_cookie
-from requests.auth import HTTPBasicAuth, HTTPDigestAuth
 
 from .compat import urlsplit
 from .config import BaseConfigDict, DEFAULT_CONFIG_DIR
+from httpie.plugins import plugin_manager
 
 
 SESSIONS_DIR_NAME = 'sessions'
 DEFAULT_SESSIONS_DIR = os.path.join(DEFAULT_CONFIG_DIR, SESSIONS_DIR_NAME)
+VALID_SESSION_NAME_PATTERN = re.compile('^[a-zA-Z0-9_.-]+$')
+# Request headers starting with these prefixes won't be stored in sessions.
+# They are specific to each request.
+# http://en.wikipedia.org/wiki/List_of_HTTP_header_fields#Requests
+SESSION_IGNORED_HEADER_PREFIXES = ['Content-', 'If-']
 
 
-def get_response(name, request_kwargs, config_dir, read_only=False):
+def get_response(session_name, requests_kwargs, config_dir, args,
+                 read_only=False):
     """Like `client.get_response`, but applies permanent
     aspects of the session to the request.
 
     """
-    sessions_dir = os.path.join(config_dir, SESSIONS_DIR_NAME)
-    host = Host(
-        root_dir=sessions_dir,
-        name=request_kwargs['headers'].get('Host', None)
-             or urlsplit(request_kwargs['url']).netloc.split('@')[-1]
-    )
-    session = Session(host, name)
+    if os.path.sep in session_name:
+        path = os.path.expanduser(session_name)
+    else:
+        hostname = (
+            requests_kwargs['headers'].get('Host', None)
+            or urlsplit(requests_kwargs['url']).netloc.split('@')[-1]
+        )
+
+        assert re.match('^[a-zA-Z0-9_.:-]+$', hostname)
+
+        # host:port => host_port
+        hostname = hostname.replace(':', '_')
+        path = os.path.join(config_dir,
+                            SESSIONS_DIR_NAME,
+                            hostname,
+                            session_name + '.json')
+
+    session = Session(path)
     session.load()
 
-    # Update session headers with the request headers.
-    session['headers'].update(request_kwargs.get('headers', {}))
-    # Use the merged headers for the request
-    request_kwargs['headers'] = session['headers']
+    request_headers = requests_kwargs.get('headers', {})
+    requests_kwargs['headers'] = dict(session.headers, **request_headers)
+    session.update_headers(request_headers)
 
-    auth = request_kwargs.get('auth', None)
-    if auth:
-        session.auth = auth
+    if args.auth:
+        session.auth = {
+            'type': args.auth_type,
+            'username': args.auth.key,
+            'password': args.auth.value,
+        }
     elif session.auth:
-        request_kwargs['auth'] = session.auth
+        requests_kwargs['auth'] = session.auth
 
     requests_session = requests.Session()
     requests_session.cookies = session.cookies
 
     try:
-        response = requests_session.request(**request_kwargs)
+        response = requests_session.request(**requests_kwargs)
     except Exception:
         raise
     else:
@@ -59,69 +75,13 @@ def get_response(name, request_kwargs, config_dir, read_only=False):
         return response
 
 
-class Host(object):
-    """A host is a per-host directory on the disk containing sessions files."""
-
-    VALID_NAME_PATTERN = re.compile('^[a-zA-Z0-9_.:-]+$')
-
-    def __init__(self, name, root_dir=DEFAULT_SESSIONS_DIR):
-        assert self.VALID_NAME_PATTERN.match(name)
-        self.name = name
-        self.root_dir = root_dir
-
-    def __iter__(self):
-        """Return an iterator yielding `Session` instances."""
-        for fn in sorted(glob.glob1(self.path, '*.json')):
-            session_name = os.path.splitext(fn)[0]
-            yield Session(host=self, name=session_name)
-
-    @staticmethod
-    def _quote_name(name):
-        """host:port => host_port"""
-        return name.replace(':', '_')
-
-    @staticmethod
-    def _unquote_name(name):
-        """host_port => host:port"""
-        return re.sub(r'_(\d+)$', r':\1', name)
-
-    @classmethod
-    def all(cls, root_dir=DEFAULT_SESSIONS_DIR):
-        """Return a generator yielding a host at a time."""
-        for name in sorted(glob.glob1(root_dir, '*')):
-            if os.path.isdir(os.path.join(root_dir, name)):
-                yield Host(cls._unquote_name(name), root_dir=root_dir)
-
-    @property
-    def verbose_name(self):
-        return '%s %s' % (self.name, self.path)
-
-    def delete(self):
-        shutil.rmtree(self.path)
-
-    @property
-    def path(self):
-        path = os.path.join(self.root_dir, self._quote_name(self.name))
-        try:
-            os.makedirs(path, mode=0o700)
-        except OSError as e:
-            if e.errno != errno.EEXIST:
-                raise
-        return path
-
-
 class Session(BaseConfigDict):
-
-    help = 'https://github.com/jkbr/httpie#sessions'
+    helpurl = 'https://github.com/jkbr/httpie#sessions'
     about = 'HTTPie session file'
 
-    VALID_NAME_PATTERN = re.compile('^[a-zA-Z0-9_.-]+$')
-
-    def __init__(self, host, name, *args, **kwargs):
-        assert self.VALID_NAME_PATTERN.match(name)
+    def __init__(self, path, *args, **kwargs):
         super(Session, self).__init__(*args, **kwargs)
-        self.host = host
-        self.name = name
+        self._path = path
         self['headers'] = {}
         self['cookies'] = {}
         self['auth'] = {
@@ -130,13 +90,31 @@ class Session(BaseConfigDict):
             'password': None
         }
 
-    @property
-    def directory(self):
-        return self.host.path
+    def _get_path(self):
+        return self._path
+
+    def update_headers(self, request_headers):
+        """
+        Update the session headers with the request ones while ignoring
+        certain name prefixes.
+
+        :type request_headers: dict
+
+        """
+        for name, value in request_headers.items():
+
+            if name == 'User-Agent' and value.startswith('HTTPie/'):
+                continue
+
+            for prefix in SESSION_IGNORED_HEADER_PREFIXES:
+                if name.lower().startswith(prefix.lower()):
+                    break
+            else:
+                self['headers'][name] = value
 
     @property
-    def verbose_name(self):
-        return '%s %s %s' % (self.host.name, self.name, self.path)
+    def headers(self):
+        return self['headers']
 
     @property
     def cookies(self):
@@ -149,31 +127,27 @@ class Session(BaseConfigDict):
 
     @cookies.setter
     def cookies(self, jar):
+        """
+        :type jar: CookieJar
+        """
         # http://docs.python.org/2/library/cookielib.html#cookie-objects
         stored_attrs = ['value', 'path', 'secure', 'expires']
         self['cookies'] = {}
-        for host in jar._cookies.values():
-            for path in host.values():
-                for name, cookie in path.items():
-                    self['cookies'][name] = dict(
-                        (attname, getattr(cookie, attname))
-                        for attname in stored_attrs
-                    )
+        for cookie in jar:
+            self['cookies'][cookie.name] = dict(
+                (attname, getattr(cookie, attname))
+                for attname in stored_attrs
+            )
 
     @property
     def auth(self):
         auth = self.get('auth', None)
         if not auth or not auth['type']:
             return
-        Auth = {'basic': HTTPBasicAuth,
-                'digest': HTTPDigestAuth}[auth['type']]
-        return Auth(auth['username'], auth['password'])
+        auth_plugin = plugin_manager.get_auth_plugin(auth['type'])()
+        return auth_plugin.get_auth(auth['username'], auth['password'])
 
     @auth.setter
-    def auth(self, cred):
-        self['auth'] = {
-            'type': {HTTPBasicAuth: 'basic',
-                     HTTPDigestAuth: 'digest'}[type(cred)],
-            'username': cred.username,
-            'password': cred.password,
-        }
+    def auth(self, auth):
+        assert set(['type', 'username', 'password']) == set(auth.keys())
+        self['auth'] = auth

httpie/utils.py

@@ -0,0 +1,46 @@
+from __future__ import division
+
+
+def humanize_bytes(n, precision=2):
+    # Author: Doug Latornell
+    # Licence: MIT
+    # URL: http://code.activestate.com/recipes/577081/
+    """Return a humanized string representation of a number of bytes.
+
+    Assumes `from __future__ import division`.
+
+    >>> humanize_bytes(1)
+    '1 byte'
+    >>> humanize_bytes(1024)
+    '1.0 kB'
+    >>> humanize_bytes(1024 * 123)
+    '123.0 kB'
+    >>> humanize_bytes(1024 * 12342)
+    '12.1 MB'
+    >>> humanize_bytes(1024 * 12342, 2)
+    '12.05 MB'
+    >>> humanize_bytes(1024 * 1234, 2)
+    '1.21 MB'
+    >>> humanize_bytes(1024 * 1234 * 1111, 2)
+    '1.31 GB'
+    >>> humanize_bytes(1024 * 1234 * 1111, 1)
+    '1.3 GB'
+
+    """
+    abbrevs = [
+        (1 << 50, 'PB'),
+        (1 << 40, 'TB'),
+        (1 << 30, 'GB'),
+        (1 << 20, 'MB'),
+        (1 << 10, 'kB'),
+        (1, 'B')
+    ]
+
+    if n == 1:
+        return '1 B'
+
+    for factor, suffix in abbrevs:
+        if n >= factor:
+            break
+
+    return '%.*f %s' % (precision, n / factor, suffix)

requirements-dev.txt

@@ -0,0 +1,3 @@
+tox
+git+git://github.com/kennethreitz/httpbin.git@7c96875e87a448f08fb1981e85eb79e77d592d98
+docutils

requirements.txt

@@ -1 +0,0 @@
-#

setup.py

@@ -1,6 +1,5 @@
 import os
 import sys
-import re
 import codecs
 from setuptools import setup
 import httpie
@@ -12,24 +11,23 @@ if sys.argv[-1] == 'test':
 
 
 requirements = [
-    'requests>=1.0.4',
+    'requests>=1.2.3',
     'Pygments>=1.5'
 ]
-if sys.version_info[:2] in ((2, 6), (3, 1)):
-    # argparse has been added in Python 3.2 / 2.7
+try:
+    #noinspection PyUnresolvedReferences
+    import argparse
+except ImportError:
     requirements.append('argparse>=1.2.1')
+
 if 'win32' in str(sys.platform).lower():
     # Terminal colors for Windows
     requirements.append('colorama>=0.2.4')
 
 
 def long_description():
-    """Pre-process the README so that PyPi can render it properly."""
     with codecs.open('README.rst', encoding='utf8') as f:
-        rst = f.read()
-    code_block = '(:\n\n)?\.\. code-block::.*'
-    rst = re.sub(code_block, '::', rst)
-    return rst
+        return f.read()
 
 
 setup(
@@ -42,7 +40,7 @@ setup(
     author=httpie.__author__,
     author_email='jakub@roztocil.name',
     license=httpie.__licence__,
-    packages=['httpie'],
+    packages=['httpie', 'httpie.plugins'],
     entry_points={
         'console_scripts': [
             'http = httpie.__main__:main',

tests/tests.py

@@ -23,20 +23,27 @@ import subprocess
 import os
 import sys
 import json
+#noinspection PyCompatibility
 import argparse
 import tempfile
 import unittest
 import shutil
+import time
+from requests.structures import CaseInsensitiveDict
 
 try:
+    #noinspection PyCompatibility
     from urllib.request import urlopen
 except ImportError:
+    # noinspection PyUnresolvedReferences
+    #noinspection PyCompatibility
     from urllib2 import urlopen
 try:
     from unittest import skipIf, skip
 except ImportError:
     skip = lambda msg: lambda self: None
 
+    # noinspection PyUnusedLocal
     def skipIf(cond, reason):
         def decorator(test_method):
             if cond:
@@ -62,6 +69,14 @@ from httpie.core import main
 from httpie.output import BINARY_SUPPRESSED_NOTICE
 from httpie.input import ParseError
 from httpie.compat import is_windows, is_py26, bytes, str
+from httpie.downloads import (
+    parse_content_range,
+    filename_from_content_disposition,
+    filename_from_url,
+    get_unique_filename,
+    ContentRangeError,
+    Download,
+)
 
 
 CRLF = '\r\n'
@@ -98,7 +113,8 @@ with open(BIN_FILE_PATH, 'rb') as f:
 
 
 def httpbin(path):
-    return HTTPBIN_URL + path
+    url = HTTPBIN_URL + path
+    return url
 
 
 def mk_config_dir():
@@ -180,20 +196,25 @@ def http(*args, **kwargs):
     if not env:
         env = kwargs['env'] = TestEnvironment()
 
+    stdout = env.stdout
+    stderr = env.stderr
     try:
 
         try:
             exit_status = main(args=['--traceback'] + list(args), **kwargs)
+            if '--download' in args:
+                # Let the progress reporter thread finish.
+                time.sleep(.5)
         except Exception:
-            sys.stderr.write(env.stderr.read())
+            sys.stderr.write(stderr.read())
             raise
         except SystemExit:
             exit_status = ExitStatus.ERROR
 
-        env.stdout.seek(0)
-        env.stderr.seek(0)
+        stdout.seek(0)
+        stderr.seek(0)
 
-        output = env.stdout.read()
+        output = stdout.read()
         try:
             r = StrResponse(output.decode('utf8'))
         except UnicodeDecodeError:
@@ -215,14 +236,14 @@ def http(*args, **kwargs):
                         except ValueError:
                             pass
 
-        r.stderr = env.stderr.read()
+        r.stderr = stderr.read()
         r.exit_status = exit_status
 
         return r
 
     finally:
-        env.stdout.close()
-        env.stderr.close()
+        stdout.close()
+        stderr.close()
 
 
 class BaseTestCase(unittest.TestCase):
@@ -240,11 +261,15 @@ class BaseTestCase(unittest.TestCase):
             self.assertEqual(set(d1.keys()), set(d2.keys()), msg)
             self.assertEqual(sorted(d1.values()), sorted(d2.values()), msg)
 
+    def assertIsNone(self, obj, msg=None):
+        self.assertEqual(obj, None, msg=msg)
+
 
 #################################################################
 # High-level tests using httpbin.
 #################################################################
 
+
 class HTTPieTest(BaseTestCase):
 
     def test_GET(self):
@@ -268,7 +293,7 @@ class HTTPieTest(BaseTestCase):
             'foo=bar'
         )
         self.assertIn(OK, r)
-        self.assertIn('"foo": "bar"', r)
+        self.assertIn(r'\"foo\": \"bar\"', r)
 
     def test_POST_JSON_data(self):
         r = http(
@@ -277,7 +302,7 @@ class HTTPieTest(BaseTestCase):
             'foo=bar'
         )
         self.assertIn(OK, r)
-        self.assertIn('"foo": "bar"', r)
+        self.assertIn(r'\"foo\": \"bar\"', r)
 
     def test_POST_form(self):
         r = http(
@@ -436,7 +461,9 @@ class AutoContentTypeAndAcceptHeadersTest(BaseTestCase):
         )
         self.assertIn(OK, r)
         self.assertEqual(r.json['headers']['Accept'], 'application/json')
-        self.assertFalse(r.json['headers'].get('Content-Type'))
+        # Make sure Content-Type gets set even with no data.
+        # https://github.com/jkbr/httpie/issues/137
+        self.assertIn('application/json', r.json['headers']['Content-Type'])
 
     def test_GET_explicit_JSON_explicit_headers(self):
         r = http(
@@ -519,7 +546,7 @@ class ImplicitHTTPMethodTest(BaseTestCase):
             'hello=world'
         )
         self.assertIn(OK, r)
-        self.assertIn('"hello": "world"', r)
+        self.assertIn(r'\"hello\": \"world\"', r)
 
     def test_implicit_POST_form(self):
         r = http(
@@ -658,8 +685,8 @@ class VerboseFlagTest(BaseTestCase):
             'baz=bar'
         )
         self.assertIn(OK, r)
-        #noinspection PyUnresolvedReferences
-        self.assertEqual(r.count('"baz": "bar"'), 2)
+        self.assertIn('"baz": "bar"', r)  # request
+        self.assertIn(r'\"baz\": \"bar\"', r)  # response
 
 
 class MultipartFormDataFileUploadTest(BaseTestCase):
@@ -782,7 +809,10 @@ class RequestBodyFromFilePathTest(BaseTestCase):
 
     """
     def test_request_body_from_file_by_path(self):
+        # FIXME: *sometimes* fails on py33, the content-type is form.
+        # https://github.com/jkbr/httpie/issues/140
         r = http(
+            '--verbose',
             'POST',
             httpbin('/post'),
             '@' + FILE_PATH_ARG
@@ -792,6 +822,8 @@ class RequestBodyFromFilePathTest(BaseTestCase):
         self.assertIn('"Content-Type": "text/plain"', r)
 
     def test_request_body_from_file_by_path_with_explicit_content_type(self):
+        # FIXME: *sometimes* fails on py33, the content-type is form.
+        # https://github.com/jkbr/httpie/issues/140
         r = http(
             'POST',
             httpbin('/post'),
@@ -845,8 +877,8 @@ class AuthTest(BaseTestCase):
             httpbin('/digest-auth/auth/user/password')
         )
         self.assertIn(OK, r)
-        self.assertIn('"authenticated": true', r)
-        self.assertIn('"user": "user"', r)
+        self.assertIn(r'"authenticated": true', r)
+        self.assertIn(r'"user": "user"', r)
 
     def test_password_prompt(self):
 
@@ -1051,6 +1083,30 @@ class StreamTest(BaseTestCase):
         self.assertIn(BIN_FILE_CONTENT, r)
 
 
+class IgnoreStdinTest(BaseTestCase):
+
+    def test_ignore_stdin(self):
+        with open(FILE_PATH) as f:
+            r = http(
+                '--ignore-stdin',
+                '--verbose',
+                httpbin('/get'),
+                env=TestEnvironment(stdin=f, stdin_isatty=False)
+            )
+        self.assertIn(OK, r)
+        self.assertIn('GET /get HTTP', r)  # Don't default to POST.
+        self.assertNotIn(FILE_CONTENT, r)  # Don't send stdin data.
+
+    def test_ignore_stdin_cannot_prompt_password(self):
+        r = http(
+            '--ignore-stdin',
+            '--auth=username-without-password',
+            httpbin('/get'),
+        )
+        self.assertEqual(r.exit_status, ExitStatus.ERROR)
+        self.assertIn('because --ignore-stdin', r.stderr)
+
+
 class LineEndingsTest(BaseTestCase):
     """Test that CRLF is properly used in headers and
     as the headers/body separator."""
@@ -1143,6 +1199,8 @@ class ItemParsingTest(BaseTestCase):
             # files
             self.key_value_type('bar\\@baz@%s' % FILE_PATH_ARG)
         ])
+        # `requests.structures.CaseInsensitiveDict` => `dict`
+        headers = dict(headers._store.values())
         self.assertDictEqual(headers, {
             'foo:bar': 'baz',
             'jack@jill': 'hill',
@@ -1172,6 +1230,8 @@ class ItemParsingTest(BaseTestCase):
             self.key_value_type('test-file@%s' % FILE_PATH_ARG),
             self.key_value_type('query==value'),
         ])
+        # `requests.structures.CaseInsensitiveDict` => `dict`
+        headers = dict(headers._store.values())
         self.assertDictEqual(headers, {
             'header': 'value',
             'eh': ''
@@ -1195,71 +1255,84 @@ class ArgumentParserTestCase(unittest.TestCase):
         self.parser = input.Parser()
 
     def test_guess_when_method_set_and_valid(self):
-        args = argparse.Namespace()
-        args.method = 'GET'
-        args.url = 'http://example.com/'
-        args.items = []
+        self.parser.args = argparse.Namespace()
+        self.parser.args.method = 'GET'
+        self.parser.args.url = 'http://example.com/'
+        self.parser.args.items = []
+        self.parser.args.ignore_stdin = False
 
-        self.parser._guess_method(args, TestEnvironment())
+        self.parser.env = TestEnvironment()
 
-        self.assertEqual(args.method, 'GET')
-        self.assertEqual(args.url, 'http://example.com/')
-        self.assertEqual(args.items, [])
+        self.parser._guess_method()
+
+        self.assertEqual(self.parser.args.method, 'GET')
+        self.assertEqual(self.parser.args.url, 'http://example.com/')
+        self.assertEqual(self.parser.args.items, [])
 
     def test_guess_when_method_not_set(self):
-        args = argparse.Namespace()
-        args.method = None
-        args.url = 'http://example.com/'
-        args.items = []
 
-        self.parser._guess_method(args, TestEnvironment())
+        self.parser.args = argparse.Namespace()
+        self.parser.args.method = None
+        self.parser.args.url = 'http://example.com/'
+        self.parser.args.items = []
+        self.parser.args.ignore_stdin = False
+        self.parser.env = TestEnvironment()
 
-        self.assertEqual(args.method, 'GET')
-        self.assertEqual(args.url, 'http://example.com/')
-        self.assertEqual(args.items, [])
+        self.parser._guess_method()
+
+        self.assertEqual(self.parser.args.method, 'GET')
+        self.assertEqual(self.parser.args.url, 'http://example.com/')
+        self.assertEqual(self.parser.args.items, [])
 
     def test_guess_when_method_set_but_invalid_and_data_field(self):
-        args = argparse.Namespace()
-        args.method = 'http://example.com/'
-        args.url = 'data=field'
-        args.items = []
+        self.parser.args = argparse.Namespace()
+        self.parser.args.method = 'http://example.com/'
+        self.parser.args.url = 'data=field'
+        self.parser.args.items = []
+        self.parser.args.ignore_stdin = False
+        self.parser.env = TestEnvironment()
+        self.parser._guess_method()
 
-        self.parser._guess_method(args, TestEnvironment())
-
-        self.assertEqual(args.method, 'POST')
-        self.assertEqual(args.url, 'http://example.com/')
+        self.assertEqual(self.parser.args.method, 'POST')
+        self.assertEqual(self.parser.args.url, 'http://example.com/')
         self.assertEqual(
-            args.items,
+            self.parser.args.items,
             [input.KeyValue(
                 key='data', value='field', sep='=', orig='data=field')])
 
     def test_guess_when_method_set_but_invalid_and_header_field(self):
-        args = argparse.Namespace()
-        args.method = 'http://example.com/'
-        args.url = 'test:header'
-        args.items = []
+        self.parser.args = argparse.Namespace()
+        self.parser.args.method = 'http://example.com/'
+        self.parser.args.url = 'test:header'
+        self.parser.args.items = []
+        self.parser.args.ignore_stdin = False
 
-        self.parser._guess_method(args, TestEnvironment())
+        self.parser.env = TestEnvironment()
 
-        self.assertEqual(args.method, 'GET')
-        self.assertEqual(args.url, 'http://example.com/')
+        self.parser._guess_method()
+
+        self.assertEqual(self.parser.args.method, 'GET')
+        self.assertEqual(self.parser.args.url, 'http://example.com/')
         self.assertEqual(
-            args.items,
+            self.parser.args.items,
             [input.KeyValue(
                 key='test', value='header', sep=':', orig='test:header')])
 
     def test_guess_when_method_set_but_invalid_and_item_exists(self):
-        args = argparse.Namespace()
-        args.method = 'http://example.com/'
-        args.url = 'new_item=a'
-        args.items = [
+        self.parser.args = argparse.Namespace()
+        self.parser.args.method = 'http://example.com/'
+        self.parser.args.url = 'new_item=a'
+        self.parser.args.items = [
             input.KeyValue(
                 key='old_item', value='b', sep='=', orig='old_item=b')
         ]
+        self.parser.args.ignore_stdin = False
 
-        self.parser._guess_method(args, TestEnvironment())
+        self.parser.env = TestEnvironment()
 
-        self.assertEqual(args.items, [
+        self.parser._guess_method()
+
+        self.assertEqual(self.parser.args.items, [
             input.KeyValue(
                 key='new_item', value='a', sep='=', orig='new_item=a'),
             input.KeyValue(
@@ -1335,6 +1408,26 @@ class SessionTest(BaseTestCase):
         self.assertEqual(r.json['headers']['Cookie'], 'hello=world')
         self.assertIn('Basic ', r.json['headers']['Authorization'])
 
+    def test_session_ignored_header_prefixes(self):
+        r = http(
+            '--session=test',
+            'GET',
+            httpbin('/get'),
+            'Content-Type: text/plain',
+            'If-Unmodified-Since: Sat, 29 Oct 1994 19:43:31 GMT',
+            env=self.env
+        )
+        self.assertIn(OK, r)
+
+        r2 = http(
+            '--session=test',
+            'GET',
+            httpbin('/get')
+        )
+        self.assertIn(OK, r2)
+        self.assertNotIn('Content-Type', r2.json['headers'])
+        self.assertNotIn('If-Unmodified-Since', r2.json['headers'])
+
     def test_session_update(self):
         # Get a response to a request from the original session.
         r1 = http(
@@ -1409,6 +1502,181 @@ class SessionTest(BaseTestCase):
         # Should be the same as before r2.
         self.assertDictEqual(r1.json, r3.json)
 
+    def test_session_by_path(self):
+        session_path = os.path.join(self.config_dir, 'session-by-path.json')
+
+        r1 = http(
+            '--session=' + session_path,
+            'GET',
+            httpbin('/get'),
+            'Foo:Bar',
+            env=self.env
+        )
+        self.assertIn(OK, r1)
+
+        r2 = http(
+            '--session=' + session_path,
+            'GET',
+            httpbin('/get'),
+            env=self.env
+        )
+        self.assertIn(OK, r2)
+
+        self.assertEqual(r2.json['headers']['Foo'], 'Bar')
+
+
+class DownloadUtilsTest(BaseTestCase):
+
+    def test_Content_Range_parsing(self):
+
+        parse = parse_content_range
+
+        self.assertEqual(parse('bytes 100-199/200', 100), 200)
+        self.assertEqual(parse('bytes 100-199/*', 100), 200)
+
+        # missing
+        self.assertRaises(ContentRangeError, parse, None, 100)
+
+        # syntax error
+        self.assertRaises(ContentRangeError, parse, 'beers 100-199/*', 100)
+
+        # unexpected range
+        self.assertRaises(ContentRangeError, parse, 'bytes 100-199/*', 99)
+
+        # invalid instance-length
+        self.assertRaises(ContentRangeError, parse, 'bytes 100-199/199', 100)
+
+        # invalid byte-range-resp-spec
+        self.assertRaises(ContentRangeError, parse, 'bytes 100-99/199', 100)
+
+        # invalid byte-range-resp-spec
+        self.assertRaises(ContentRangeError, parse, 'bytes 100-100/*', 100)
+
+    def test_Content_Disposition_parsing(self):
+        parse = filename_from_content_disposition
+        self.assertEqual(
+            parse('attachment; filename=hello-WORLD_123.txt'),
+            'hello-WORLD_123.txt'
+        )
+        self.assertEqual(
+            parse('attachment; filename=".hello-WORLD_123.txt"'),
+            'hello-WORLD_123.txt'
+        )
+        self.assertEqual(
+            parse('attachment; filename="white space.txt"'),
+            'white space.txt'
+        )
+        self.assertEqual(
+            parse(r'attachment; filename="\"quotes\".txt"'),
+            '"quotes".txt'
+        )
+        self.assertEqual(parse('attachment; filename=/etc/hosts'), 'hosts')
+        self.assertIsNone(parse('attachment; filename='))
+
+    def test_filename_from_url(self):
+        self.assertEqual(filename_from_url(
+            url='http://example.org/foo',
+            content_type='text/plain'
+        ), 'foo.txt')
+        self.assertEqual(filename_from_url(
+            url='http://example.org/foo',
+            content_type='text/html; charset=utf8'
+        ), 'foo.html')
+        self.assertEqual(filename_from_url(
+            url='http://example.org/foo',
+            content_type=None
+        ), 'foo')
+        self.assertEqual(filename_from_url(
+            url='http://example.org/foo',
+            content_type='x-foo/bar'
+        ), 'foo')
+
+    def test_unique_filename(self):
+
+        def make_exists(unique_on_attempt=0):
+            # noinspection PyUnresolvedReferences,PyUnusedLocal
+            def exists(filename):
+                if exists.attempt == unique_on_attempt:
+                    return False
+                exists.attempt += 1
+                return True
+            exists.attempt = 0
+            return exists
+
+        self.assertEqual(
+            get_unique_filename('foo.bar', exists=make_exists()),
+            'foo.bar'
+        )
+        self.assertEqual(
+            get_unique_filename('foo.bar', exists=make_exists(1)),
+            'foo.bar-1'
+        )
+        self.assertEqual(
+            get_unique_filename('foo.bar', exists=make_exists(10)),
+            'foo.bar-10'
+        )
+
+
+class Response(object):
+
+    # noinspection PyDefaultArgument
+    def __init__(self, url, headers={}, status_code=200):
+        self.url = url
+        self.headers = CaseInsensitiveDict(headers)
+        self.status_code = status_code
+
+
+# noinspection PyTypeChecker
+class DownloadTest(BaseTestCase):
+    # TODO: more tests
+
+    def test_actual_download(self):
+        url = httpbin('/robots.txt')
+        body = urlopen(url).read().decode()
+        r = http(
+            '--download',
+            url,
+            env=TestEnvironment(
+                stdin_isatty=True,
+                stdout_isatty=False
+            )
+        )
+        self.assertIn('Downloading', r.stderr)
+        self.assertIn('[K', r.stderr)
+        self.assertIn('Done', r.stderr)
+        self.assertEqual(body, r)
+
+    def test_download_with_Content_Length(self):
+        download = Download(output_file=open(os.devnull, 'w'))
+        download.start(Response(
+            url=httpbin('/'),
+             headers={'Content-Length': 10}
+        ))
+        time.sleep(1.1)
+        download.chunk_downloaded(b'12345')
+        time.sleep(1.1)
+        download.chunk_downloaded(b'12345')
+        download.finish()
+        self.assertFalse(download.interrupted)
+
+    def test_download_no_Content_Length(self):
+        download = Download(output_file=open(os.devnull, 'w'))
+        download.start(Response(url=httpbin('/')))
+        time.sleep(1.1)
+        download.chunk_downloaded(b'12345')
+        download.finish()
+        self.assertFalse(download.interrupted)
+
+    def test_download_interrupted(self):
+        download = Download(output_file=open(os.devnull, 'w'))
+        download.start(Response(
+            url=httpbin('/'),
+            headers={'Content-Length': 5}
+        ))
+        download.chunk_downloaded(b'1234')
+        download.finish()
+        self.assertTrue(download.interrupted)
+
 
 if __name__ == '__main__':
     unittest.main()

tox.ini

@@ -11,9 +11,3 @@ commands = {envpython} setup.py test
 
 [testenv:py26]
 deps = argparse
-
-[testenv:py30]
-deps = argparse
-
-[testenv:py31]
-deps = argparse