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142 lines
4.5 KiB
Python
142 lines
4.5 KiB
Python
import os
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import sys
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from requests.compat import urlparse, is_windows, bytes, str
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class Environment(object):
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"""Holds information about the execution context.
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Groups various aspects of the environment in a changeable object
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and allows for mocking.
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"""
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#noinspection PyUnresolvedReferences
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is_windows = is_windows
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progname = os.path.basename(sys.argv[0])
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if progname not in ['http', 'https']:
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progname = 'http'
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stdin_isatty = sys.stdin.isatty()
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stdin = sys.stdin
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stdout_isatty = sys.stdout.isatty()
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stdout = sys.stdout
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stderr = sys.stderr
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# Can be set to 0 to disable colors completely.
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colors = 256 if '256color' in os.environ.get('TERM', '') else 88
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def __init__(self, **kwargs):
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self.__dict__.update(**kwargs)
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def init_colors(self):
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# We check for real Window here, not self.is_windows as
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# it could be mocked.
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if (is_windows and not self.__colors_initialized
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and self.stdout == sys.stdout):
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import colorama.initialise
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self.stdout = colorama.initialise.wrap_stream(
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self.stdout, autoreset=False,
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convert=None, strip=None, wrap=True)
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self.__colors_initialized = True
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__colors_initialized = False
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class HTTPMessage(object):
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"""Model representing an HTTP message."""
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def __init__(self, line, headers, body, encoding=None, content_type=None):
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"""All args are a `str` except for `body` which is a `bytes`."""
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assert isinstance(line, str)
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assert content_type is None or isinstance(content_type, str)
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assert isinstance(body, bytes)
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self.line = line # {Request,Status}-Line
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self.headers = headers
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self.body = body
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self.encoding = encoding or 'utf8'
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self.content_type = content_type
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@classmethod
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def from_response(cls, response):
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"""Make an `HTTPMessage` from `requests.models.Response`."""
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encoding = response.encoding or None
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original = response.raw._original_response
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response_headers = response.headers
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status_line = str('HTTP/{version} {status} {reason}'.format(
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version='.'.join(str(original.version)),
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status=original.status,
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reason=original.reason
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))
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body = response.content
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return cls(line=status_line,
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headers=str(original.msg),
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body=body,
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encoding=encoding,
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content_type=str(response_headers.get('Content-Type', '')))
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@classmethod
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def from_request(cls, request):
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"""Make an `HTTPMessage` from `requests.models.Request`."""
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url = urlparse(request.url)
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# Querystring
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qs = ''
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if url.query or request.params:
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qs = '?'
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if url.query:
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qs += url.query
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# Requests doesn't make params part of ``request.url``.
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if request.params:
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if url.query:
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qs += '&'
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#noinspection PyUnresolvedReferences
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qs += type(request)._encode_params(request.params)
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# Request-Line
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request_line = str('{method} {path}{query} HTTP/1.1'.format(
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method=request.method,
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path=url.path or '/',
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query=qs
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))
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# Headers
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headers = dict(request.headers)
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content_type = headers.get('Content-Type')
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if isinstance(content_type, bytes):
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# Happens when uploading files.
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# TODO: submit a bug report for Requests
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content_type = headers['Content-Type'] = content_type.decode('utf8')
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if 'Host' not in headers:
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headers['Host'] = url.netloc
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headers = '\n'.join('%s: %s' % (name, value)
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for name, value in headers.items())
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# Body
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if request.files:
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body, _ = request._encode_files(request.files)
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else:
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try:
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body = request.data
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except AttributeError:
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# requests < 0.12.1
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body = request._enc_data
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if isinstance(body, dict):
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#noinspection PyUnresolvedReferences
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body = type(request)._encode_params(body)
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if isinstance(body, str):
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body = body.encode('utf8')
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return cls(line=request_line,
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headers=headers,
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body=body,
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content_type=content_type)
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