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author | SVN-Git Migration <python-modules-team@lists.alioth.debian.org> | 2015-10-08 13:41:34 -0700 |
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committer | SVN-Git Migration <python-modules-team@lists.alioth.debian.org> | 2015-10-08 13:41:34 -0700 |
commit | 2c79b40c98c83e352c5479223d581d69b0e7806c (patch) | |
tree | 81c85525061fbc4805ff2ec2280f560956c35d64 /requests/models.py | |
parent | d075cc8a1294c77c994dc5fd220ecb163ed31b93 (diff) | |
download | python-requests-2c79b40c98c83e352c5479223d581d69b0e7806c.tar python-requests-2c79b40c98c83e352c5479223d581d69b0e7806c.tar.gz |
Imported Upstream version 2.4.3
Diffstat (limited to 'requests/models.py')
-rw-r--r-- | requests/models.py | 86 |
1 files changed, 58 insertions, 28 deletions
diff --git a/requests/models.py b/requests/models.py index 120968f..17e5598 100644 --- a/requests/models.py +++ b/requests/models.py @@ -19,31 +19,36 @@ from .cookies import cookiejar_from_dict, get_cookie_header from .packages.urllib3.fields import RequestField from .packages.urllib3.filepost import encode_multipart_formdata from .packages.urllib3.util import parse_url -from .packages.urllib3.exceptions import DecodeError +from .packages.urllib3.exceptions import ( + DecodeError, ReadTimeoutError, ProtocolError) from .exceptions import ( - HTTPError, RequestException, MissingSchema, InvalidURL, - ChunkedEncodingError, ContentDecodingError) + HTTPError, RequestException, MissingSchema, InvalidURL, + ChunkedEncodingError, ContentDecodingError, ConnectionError, + StreamConsumedError) from .utils import ( guess_filename, get_auth_from_url, requote_uri, stream_decode_response_unicode, to_key_val_list, parse_header_links, iter_slices, guess_json_utf, super_len, to_native_string) from .compat import ( cookielib, urlunparse, urlsplit, urlencode, str, bytes, StringIO, - is_py2, chardet, json, builtin_str, basestring, IncompleteRead) + is_py2, chardet, json, builtin_str, basestring) from .status_codes import codes #: The set of HTTP status codes that indicate an automatically #: processable redirect. REDIRECT_STATI = ( - codes.moved, # 301 - codes.found, # 302 - codes.other, # 303 - codes.temporary_moved, # 307 + codes.moved, # 301 + codes.found, # 302 + codes.other, # 303 + codes.temporary_redirect, # 307 + codes.permanent_redirect, # 308 ) DEFAULT_REDIRECT_LIMIT = 30 CONTENT_CHUNK_SIZE = 10 * 1024 ITER_CHUNK_SIZE = 512 +json_dumps = json.dumps + class RequestEncodingMixin(object): @property @@ -187,7 +192,8 @@ class Request(RequestHooksMixin): :param url: URL to send. :param headers: dictionary of headers to send. :param files: dictionary of {filename: fileobject} files to multipart upload. - :param data: the body to attach the request. If a dictionary is provided, form-encoding will take place. + :param data: the body to attach to the request. If a dictionary is provided, form-encoding will take place. + :param json: json for the body to attach to the request (if data is not specified). :param params: dictionary of URL parameters to append to the URL. :param auth: Auth handler or (user, pass) tuple. :param cookies: dictionary or CookieJar of cookies to attach to this request. @@ -210,7 +216,8 @@ class Request(RequestHooksMixin): params=None, auth=None, cookies=None, - hooks=None): + hooks=None, + json=None): # Default empty dicts for dict params. data = [] if data is None else data @@ -228,6 +235,7 @@ class Request(RequestHooksMixin): self.headers = headers self.files = files self.data = data + self.json = json self.params = params self.auth = auth self.cookies = cookies @@ -244,6 +252,7 @@ class Request(RequestHooksMixin): headers=self.headers, files=self.files, data=self.data, + json=self.json, params=self.params, auth=self.auth, cookies=self.cookies, @@ -287,14 +296,15 @@ class PreparedRequest(RequestEncodingMixin, RequestHooksMixin): self.hooks = default_hooks() def prepare(self, method=None, url=None, headers=None, files=None, - data=None, params=None, auth=None, cookies=None, hooks=None): + data=None, params=None, auth=None, cookies=None, hooks=None, + json=None): """Prepares the entire request with the given parameters.""" self.prepare_method(method) self.prepare_url(url, params) self.prepare_headers(headers) self.prepare_cookies(cookies) - self.prepare_body(data, files) + self.prepare_body(data, files, json) self.prepare_auth(auth, url) # Note that prepare_auth must be last to enable authentication schemes # such as OAuth to work on a fully prepared request. @@ -309,8 +319,8 @@ class PreparedRequest(RequestEncodingMixin, RequestHooksMixin): p = PreparedRequest() p.method = self.method p.url = self.url - p.headers = self.headers.copy() - p._cookies = self._cookies.copy() + p.headers = self.headers.copy() if self.headers is not None else None + p._cookies = self._cookies.copy() if self._cookies is not None else None p.body = self.body p.hooks = self.hooks return p @@ -324,15 +334,18 @@ class PreparedRequest(RequestEncodingMixin, RequestHooksMixin): def prepare_url(self, url, params): """Prepares the given HTTP URL.""" #: Accept objects that have string representations. - try: - url = unicode(url) - except NameError: - # We're on Python 3. - url = str(url) - except UnicodeDecodeError: - pass - - # Don't do any URL preparation for oddball schemes + #: We're unable to blindy call unicode/str functions + #: as this will include the bytestring indicator (b'') + #: on python 3.x. + #: https://github.com/kennethreitz/requests/pull/2238 + if isinstance(url, bytes): + url = url.decode('utf8') + else: + url = unicode(url) if is_py2 else str(url) + + # Don't do any URL preparation for non-HTTP schemes like `mailto`, + # `data` etc to work around exceptions from `url_parse`, which + # handles RFC 3986 only. if ':' in url and not url.lower().startswith('http'): self.url = url return @@ -395,7 +408,7 @@ class PreparedRequest(RequestEncodingMixin, RequestHooksMixin): else: self.headers = CaseInsensitiveDict() - def prepare_body(self, data, files): + def prepare_body(self, data, files, json=None): """Prepares the given HTTP body data.""" # Check if file, fo, generator, iterator. @@ -406,6 +419,10 @@ class PreparedRequest(RequestEncodingMixin, RequestHooksMixin): content_type = None length = None + if json is not None: + content_type = 'application/json' + body = json_dumps(json) + is_stream = all([ hasattr(data, '__iter__'), not isinstance(data, (basestring, list, tuple, dict)) @@ -431,9 +448,9 @@ class PreparedRequest(RequestEncodingMixin, RequestHooksMixin): if files: (body, content_type) = self._encode_files(files, data) else: - if data: + if data and json is None: body = self._encode_params(data) - if isinstance(data, str) or isinstance(data, builtin_str) or hasattr(data, 'read'): + if isinstance(data, basestring) or hasattr(data, 'read'): content_type = None else: content_type = 'application/x-www-form-urlencoded' @@ -441,7 +458,7 @@ class PreparedRequest(RequestEncodingMixin, RequestHooksMixin): self.prepare_content_length(body) # Add content-type if it wasn't explicitly provided. - if (content_type) and (not 'content-type' in self.headers): + if content_type and ('content-type' not in self.headers): self.headers['Content-Type'] = content_type self.body = body @@ -556,6 +573,10 @@ class Response(object): #: and the arrival of the response (as a timedelta) self.elapsed = datetime.timedelta(0) + #: The :class:`PreparedRequest <PreparedRequest>` object to which this + #: is a response. + self.request = None + def __getstate__(self): # Consume everything; accessing the content attribute makes # sure the content has been fully read. @@ -606,6 +627,11 @@ class Response(object): return ('location' in self.headers and self.status_code in REDIRECT_STATI) @property + def is_permanent_redirect(self): + """True if this Response one of the permanant versions of redirect""" + return ('location' in self.headers and self.status_code in (codes.moved_permanently, codes.permanent_redirect)) + + @property def apparent_encoding(self): """The apparent encoding, provided by the chardet library""" return chardet.detect(self.content)['encoding'] @@ -626,10 +652,12 @@ class Response(object): try: for chunk in self.raw.stream(chunk_size, decode_content=True): yield chunk - except IncompleteRead as e: + except ProtocolError as e: raise ChunkedEncodingError(e) except DecodeError as e: raise ContentDecodingError(e) + except ReadTimeoutError as e: + raise ConnectionError(e) except AttributeError: # Standard file-like object. while True: @@ -640,6 +668,8 @@ class Response(object): self._content_consumed = True + if self._content_consumed and isinstance(self._content, bool): + raise StreamConsumedError() # simulate reading small chunks of the content reused_chunks = iter_slices(self._content, chunk_size) |