Cleanup

httpie/cli.py

@@ -3,7 +3,7 @@
 NOTE: the CLI interface may change before reaching v1.0.
 
 """
-import argparse
+from argparse import FileType, OPTIONAL, SUPPRESS
 
 from requests.compat import is_windows
 
@@ -45,7 +45,7 @@ positional = parser.add_argument_group(
 )
 positional.add_argument(
     'method', metavar='METHOD',
-    nargs='?',
+    nargs=OPTIONAL,
     default=None,
     help=_('''
         The HTTP method to be used for the request
@@ -114,9 +114,9 @@ content_type.add_argument(
 output_processing = parser.add_argument_group(title='Output processing')
 
 output_processing.add_argument(
-    '--output', '-o', type=argparse.FileType('w+b'),
+    '--output', '-o', type=FileType('w+b'),
     metavar='FILE',
-    help= argparse.SUPPRESS if not is_windows else _(
+    help= SUPPRESS if not is_windows else _(
         '''
         Save output to FILE.
         This option is a replacement for piping output to FILE,
@@ -322,15 +322,13 @@ network.add_argument(
 troubleshooting = parser.add_argument_group(title='Troubleshooting')
 troubleshooting.add_argument(
     '--help',
-    action='help', default=argparse.SUPPRESS,
-    help=argparse._('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.
-    ''')
+    help='Prints exception traceback should one occur.'
 )
 troubleshooting.add_argument(
     '--debug', action='store_true', default=False,

httpie/input.py

@@ -5,10 +5,10 @@ import os
 import sys
 import re
 import json
-import argparse
 import mimetypes
 import getpass
 from io import BytesIO
+from argparse import ArgumentParser, ArgumentTypeError
 
 try:
     from collections import OrderedDict
@@ -79,7 +79,7 @@ OUTPUT_OPTIONS_DEFAULT = OUT_RESP_HEAD + OUT_RESP_BODY
 OUTPUT_OPTIONS_DEFAULT_STDOUT_REDIRECTED = OUT_RESP_BODY
 
 
-class Parser(argparse.ArgumentParser):
+class Parser(ArgumentParser):
     """Adds additional logic to `argparse.ArgumentParser`.
 
     Handles all input (CLI args, file args, stdin), applies defaults,
@@ -125,7 +125,6 @@ class Parser(argparse.ArgumentParser):
             # Stdin already read (if not a tty) so it's save to prompt.
             args.auth.prompt_password(urlparse(args.url).netloc)
 
-
         return args
 
     def _print_message(self, message, file=None):
@@ -171,7 +170,7 @@ class Parser(argparse.ArgumentParser):
                 args.items.insert(
                     0, KeyValueArgType(*SEP_GROUP_ITEMS).__call__(args.url))
 
-            except argparse.ArgumentTypeError as e:
+            except ArgumentTypeError as e:
                 if args.traceback:
                     raise
                 self.error(e.message)
@@ -344,7 +343,7 @@ class KeyValueArgType(object):
                 break
 
         else:
-            raise argparse.ArgumentTypeError(
+            raise ArgumentTypeError(
                 '"%s" is not a valid value' % string)
 
         return self.key_value_class(
@@ -383,7 +382,7 @@ class AuthCredentialsArgType(KeyValueArgType):
         """
         try:
             return super(AuthCredentialsArgType, self).__call__(string)
-        except argparse.ArgumentTypeError:
+        except ArgumentTypeError:
             # No password provided, will prompt for it later.
             return self.key_value_class(
                 key=string,

httpie/output.py

@@ -131,13 +131,15 @@ def make_stream(env, args):
             RawStream,
             chunk_size=RawStream.CHUNK_SIZE_BY_LINE
                        if args.stream
-                       else RawStream.CHUNK_SIZE)
+                       else RawStream.CHUNK_SIZE
+        )
     elif args.prettify:
         Stream = partial(
             PrettyStream if args.stream else BufferedPrettyStream,
-            processor=OutputProcessor(env=env, groups=args.prettify,
-                                      pygments_style=args.style),
-            env=env)
+            env=env,
+            processor=OutputProcessor(
+                env=env, groups=args.prettify, pygments_style=args.style),
+        )
     else:
         Stream = partial(EncodedStream, env=env)
 
@@ -205,6 +207,7 @@ class EncodedStream(BaseStream):
 
     """
     CHUNK_SIZE = 1024 * 5
+
     def __init__(self, env=Environment(), **kwargs):
 
         super(EncodedStream, self).__init__(**kwargs)
@@ -335,7 +338,8 @@ class HTTPLexer(lexer.RegexLexer):
                 token.Text,
                 token.String  # Value
             ))
-    ]}
+        ]
+    }
 
 
 class BaseProcessor(object):

httpie/sessions.py

@@ -1,13 +1,13 @@
 """Persistent, JSON-serialized sessions.
 
 """
-import shutil
 import os
 import sys
 import json
 import glob
 import errno
 import codecs
+import shutil
 import subprocess
 
 from requests.compat import urlparse
@@ -24,7 +24,6 @@ SESSIONS_DIR = os.path.join(CONFIG_DIR, 'sessions')
 
 
 def get_response(name, request_kwargs):
-
     host = Host(request_kwargs['headers'].get('Host', None)
     or urlparse(request_kwargs['url']).netloc.split('@')[-1])
 
@@ -54,7 +53,6 @@ def get_response(name, request_kwargs):
 
 
 class Host(object):
-
     def __init__(self, name):
         self.name = name
 
@@ -86,7 +84,6 @@ class Host(object):
 
 
 class Session(dict):
-
     def __init__(self, host, name, *args, **kwargs):
         super(Session, self).__init__(*args, **kwargs)
         self.host = host
@@ -128,9 +125,8 @@ class Session(dict):
     def cookies(self):
         jar = RequestsCookieJar()
         for name, cookie_dict in self['cookies'].items():
-            cookie = create_cookie(
-                name, cookie_dict.pop('value'), **cookie_dict)
-            jar.set_cookie(cookie)
+            jar.set_cookie(create_cookie(
+                name, cookie_dict.pop('value'), **cookie_dict))
         jar.clear_expired_cookies()
         return jar
 
@@ -200,12 +196,7 @@ def delete_command(args):
     if not args.name:
         host.delete()
     else:
-        session = Session(host, args.name)
-        try:
-            session.delete()
-        except OSError as e:
-            if e.errno != errno.ENOENT:
-                raise
+        Session(host, args.name).delete()
 
 
 def edit_command(args):
@@ -220,7 +211,6 @@ def edit_command(args):
 
 
 def add_commands(subparsers):
-
     # List
     list_ = subparsers.add_parser('session-list', help='list sessions')
     list_.set_defaults(command=list_command)