Subliminal update

This commit is contained in:
Ruud
2012-04-08 17:35:39 +02:00
parent 5321037f08
commit 148e1940ac
85 changed files with 4375 additions and 3420 deletions
+2 -3
View File
@@ -15,14 +15,13 @@ requests
"""
__title__ = 'requests'
__version__ = '0.10.1'
__build__ = 0x001001
__version__ = '0.11.1'
__build__ = 0x001101
__author__ = 'Kenneth Reitz'
__license__ = 'ISC'
__copyright__ = 'Copyright 2012 Kenneth Reitz'
from . import utils
from .models import Request, Response
from .api import request, get, head, post, patch, put, delete, options
+9 -8
View File
@@ -33,6 +33,7 @@ def request(method, url, **kwargs):
:param config: (optional) A configuration dictionary.
:param verify: (optional) if ``True``, the SSL cert will be verified. A CA_BUNDLE path can also be provided.
:param prefetch: (optional) if ``True``, the response content will be immediately downloaded.
:param cert: (optional) if String, path to ssl client cert file (.pem). If Tuple, ('cert', 'key') pair.
"""
s = kwargs.pop('session') if 'session' in kwargs else sessions.session()
@@ -44,7 +45,7 @@ def get(url, **kwargs):
"""Sends a GET request. Returns :class:`Response` object.
:param url: URL for the new :class:`Request` object.
:param **kwargs: Optional arguments that ``request`` takes.
:param \*\*kwargs: Optional arguments that ``request`` takes.
"""
kwargs.setdefault('allow_redirects', True)
@@ -55,7 +56,7 @@ def options(url, **kwargs):
"""Sends a OPTIONS request. Returns :class:`Response` object.
:param url: URL for the new :class:`Request` object.
:param **kwargs: Optional arguments that ``request`` takes.
:param \*\*kwargs: Optional arguments that ``request`` takes.
"""
kwargs.setdefault('allow_redirects', True)
@@ -66,10 +67,10 @@ def head(url, **kwargs):
"""Sends a HEAD request. Returns :class:`Response` object.
:param url: URL for the new :class:`Request` object.
:param **kwargs: Optional arguments that ``request`` takes.
:param \*\*kwargs: Optional arguments that ``request`` takes.
"""
kwargs.setdefault('allow_redirects', True)
kwargs.setdefault('allow_redirects', False)
return request('head', url, **kwargs)
@@ -78,7 +79,7 @@ def post(url, data=None, **kwargs):
:param url: URL for the new :class:`Request` object.
:param data: (optional) Dictionary or bytes to send in the body of the :class:`Request`.
:param **kwargs: Optional arguments that ``request`` takes.
:param \*\*kwargs: Optional arguments that ``request`` takes.
"""
return request('post', url, data=data, **kwargs)
@@ -89,7 +90,7 @@ def put(url, data=None, **kwargs):
:param url: URL for the new :class:`Request` object.
:param data: (optional) Dictionary or bytes to send in the body of the :class:`Request`.
:param **kwargs: Optional arguments that ``request`` takes.
:param \*\*kwargs: Optional arguments that ``request`` takes.
"""
return request('put', url, data=data, **kwargs)
@@ -100,7 +101,7 @@ def patch(url, data=None, **kwargs):
:param url: URL for the new :class:`Request` object.
:param data: (optional) Dictionary or bytes to send in the body of the :class:`Request`.
:param **kwargs: Optional arguments that ``request`` takes.
:param \*\*kwargs: Optional arguments that ``request`` takes.
"""
return request('patch', url, data=data, **kwargs)
@@ -110,7 +111,7 @@ def delete(url, **kwargs):
"""Sends a DELETE request. Returns :class:`Response` object.
:param url: URL for the new :class:`Request` object.
:param **kwargs: Optional arguments that ``request`` takes.
:param \*\*kwargs: Optional arguments that ``request`` takes.
"""
return request('delete', url, **kwargs)
+28 -10
View File
@@ -17,13 +17,13 @@ except ImportError:
raise RuntimeError('Gevent is required for requests.async.')
# Monkey-patch.
curious_george.patch_all(thread=False)
curious_george.patch_all(thread=False, select=False)
from . import api
__all__ = (
'map',
'map', 'imap',
'get', 'options', 'head', 'post', 'put', 'patch', 'delete', 'request'
)
@@ -46,15 +46,15 @@ def patched(f):
return wrapped
def send(r, pool=None):
"""Sends the request object using the specified pool. If a pool isn't
def send(r, pool=None, prefetch=False):
"""Sends the request object using the specified pool. If a pool isn't
specified this method blocks. Pools are useful because you can specify size
and can hence limit concurrency."""
if pool != None:
return pool.spawn(r.send)
return pool.spawn(r.send, prefetch=prefetch)
return gevent.spawn(r.send)
return gevent.spawn(r.send, prefetch=prefetch)
# Patched requests.api functions.
@@ -79,10 +79,28 @@ def map(requests, prefetch=True, size=None):
requests = list(requests)
pool = Pool(size) if size else None
jobs = [send(r, pool) for r in requests]
jobs = [send(r, pool, prefetch=prefetch) for r in requests]
gevent.joinall(jobs)
if prefetch:
[r.response.content for r in requests]
return [r.response for r in requests]
return [r.response for r in requests]
def imap(requests, prefetch=True, size=2):
"""Concurrently converts a generator object of Requests to
a generator of Responses.
:param requests: a generator of Request objects.
:param prefetch: If False, the content will not be downloaded immediately.
:param size: Specifies the number of requests to make at a time. default is 2
"""
pool = Pool(size)
def send(r):
r.send(prefetch)
return r.response
for r in pool.imap_unordered(send, requests):
yield r
pool.join()
+2 -4
View File
@@ -7,13 +7,11 @@ requests.auth
This module contains the authentication handlers for Requests.
"""
from __future__ import unicode_literals
import time
import hashlib
from base64 import b64encode
from .compat import urlparse, str, bytes
from .compat import urlparse, str
from .utils import randombytes, parse_dict_header
@@ -21,7 +19,7 @@ from .utils import randombytes, parse_dict_header
def _basic_auth_str(username, password):
"""Returns a Basic Auth string."""
return 'Basic ' + b64encode(("%s:%s" % (username, password)).encode('utf-8')).strip().decode('utf-8')
return 'Basic ' + b64encode(('%s:%s' % (username, password)).encode('latin1')).strip().decode('latin1')
class AuthBase(object):
+4 -1
View File
@@ -86,8 +86,10 @@ if is_py2:
from .packages.oreos.monkeys import SimpleCookie
from StringIO import StringIO
str = unicode
bytes = str
str = unicode
basestring = basestring
elif is_py3:
@@ -99,4 +101,5 @@ elif is_py3:
str = str
bytes = bytes
basestring = (str,bytes)
+11
View File
@@ -15,10 +15,16 @@ Configurations:
:max_retries: The number of times a request should be retried in the event of a connection failure.
:danger_mode: If true, Requests will raise errors immediately.
:safe_mode: If true, Requests will catch all errors.
:strict_mode: If true, Requests will do its best to follow RFCs (e.g. POST redirects).
:pool_maxsize: The maximium size of an HTTP connection pool.
:pool_connections: The number of active HTTP connection pools to use.
:encode_uri: If true, URIs will automatically be percent-encoded.
:trust_env: If true, the surrouding environment will be trusted (environ, netrc).
"""
SCHEMAS = ['http', 'https']
from . import __version__
defaults = dict()
@@ -37,4 +43,9 @@ defaults['pool_maxsize'] = 10
defaults['max_retries'] = 0
defaults['danger_mode'] = False
defaults['safe_mode'] = False
defaults['strict_mode'] = False
defaults['keep_alive'] = True
defaults['encode_uri'] = True
defaults['trust_env'] = True
+8 -1
View File
@@ -8,12 +8,13 @@ This module contains the set of Requests' exceptions.
"""
class RequestException(Exception):
class RequestException(RuntimeError):
"""There was an ambiguous exception that occurred while handling your
request."""
class HTTPError(RequestException):
"""An HTTP error occurred."""
response = None
class ConnectionError(RequestException):
"""A Connection error occurred."""
@@ -29,3 +30,9 @@ class URLRequired(RequestException):
class TooManyRedirects(RequestException):
"""Too many redirects."""
class MissingSchema(RequestException, ValueError):
"""The URL schema (e.g. http or https) is missing."""
class InvalidSchema(RequestException, ValueError):
"""See defaults.py for valid schemas."""
+152 -139
View File
@@ -21,14 +21,16 @@ from .packages.urllib3.exceptions import SSLError as _SSLError
from .packages.urllib3.exceptions import HTTPError as _HTTPError
from .packages.urllib3 import connectionpool, poolmanager
from .packages.urllib3.filepost import encode_multipart_formdata
from .defaults import SCHEMAS
from .exceptions import (
ConnectionError, HTTPError, RequestException, Timeout, TooManyRedirects,
URLRequired, SSLError)
URLRequired, SSLError, MissingSchema, InvalidSchema)
from .utils import (
get_encoding_from_headers, stream_decode_response_unicode,
stream_decompress, guess_filename, requote_path, dict_from_string)
from .compat import urlparse, urlunparse, urljoin, urlsplit, urlencode, quote, unquote, str, bytes, SimpleCookie, is_py3, is_py2
get_encoding_from_headers, stream_untransfer, guess_filename, requote_uri,
dict_from_string, stream_decode_response_unicode, get_netrc_auth)
from .compat import (
urlparse, urlunparse, urljoin, urlsplit, urlencode, str, bytes,
SimpleCookie, is_py2)
# Import chardet if it is available.
try:
@@ -39,7 +41,6 @@ except ImportError:
REDIRECT_STATI = (codes.moved, codes.found, codes.other, codes.temporary_moved)
class Request(object):
"""The :class:`Request <Request>` object. It carries out all functionality of
Requests. Recommended interface is with the Requests functions.
@@ -62,18 +63,17 @@ class Request(object):
config=None,
_poolmanager=None,
verify=None,
session=None):
session=None,
cert=None):
#: Dictionary of configurations for this request.
self.config = dict(config or [])
#: Float describes the timeout of the request.
# (Use socket.setdefaulttimeout() as fallback)
self.timeout = timeout
#: Request URL.
# if isinstance(url, str):
# url = url.encode('utf-8')
# print(dir(url))
self.url = url
#: Dictionary of HTTP Headers to attach to the :class:`Request <Request>`.
@@ -103,6 +103,14 @@ class Request(object):
# Dictionary mapping protocol to the URL of the proxy (e.g. {'http': 'foo.bar:3128'})
self.proxies = dict(proxies or [])
# If no proxies are given, allow configuration by environment variables
# HTTP_PROXY and HTTPS_PROXY.
if not self.proxies and self.config.get('trust_env'):
if 'HTTP_PROXY' in os.environ:
self.proxies['http'] = os.environ['HTTP_PROXY']
if 'HTTPS_PROXY' in os.environ:
self.proxies['https'] = os.environ['HTTPS_PROXY']
self.data, self._enc_data = self._encode_params(data)
self.params, self._enc_params = self._encode_params(params)
@@ -116,9 +124,6 @@ class Request(object):
#: CookieJar to attach to :class:`Request <Request>`.
self.cookies = dict(cookies or [])
#: Dictionary of configurations for this request.
self.config = dict(config or [])
#: True if Request has been sent.
self.sent = False
@@ -139,6 +144,9 @@ class Request(object):
#: SSL Verification.
self.verify = verify
#: SSL Certificate
self.cert = cert
if headers:
headers = CaseInsensitiveDict(self.headers)
else:
@@ -152,15 +160,9 @@ class Request(object):
self.headers = headers
self._poolmanager = _poolmanager
# Pre-request hook.
r = dispatch_hook('pre_request', hooks, self)
self.__dict__.update(r.__dict__)
def __repr__(self):
return '<Request [%s]>' % (self.method)
def _build_response(self, resp):
"""Build internal :class:`Response <Response>` object
from given response.
@@ -200,29 +202,36 @@ class Request(object):
# Save original response for later.
response.raw = resp
response.url = self.full_url
if isinstance(self.full_url, bytes):
response.url = self.full_url.decode('utf-8')
else:
response.url = self.full_url
return response
history = []
r = build(resp)
cookies = self.cookies
self.cookies.update(r.cookies)
if r.status_code in REDIRECT_STATI and not self.redirect:
while (
('location' in r.headers) and
((r.status_code is codes.see_other) or (self.allow_redirects))
):
while (('location' in r.headers) and
((r.status_code is codes.see_other) or (self.allow_redirects))):
r.content # Consume socket so it can be released
if not len(history) < self.config.get('max_redirects'):
raise TooManyRedirects()
# Release the connection back into the pool.
r.raw.release_conn()
history.append(r)
url = r.headers['location']
data = self.data
# Handle redirection without scheme (see: RFC 1808 Section 4)
if url.startswith('//'):
@@ -232,14 +241,29 @@ class Request(object):
# Facilitate non-RFC2616-compliant 'location' headers
# (e.g. '/path/to/resource' instead of 'http://domain.tld/path/to/resource')
if not urlparse(url).netloc:
url = urljoin(r.url, url)
url = urljoin(r.url,
# Compliant with RFC3986, we percent
# encode the url.
requote_uri(url))
# http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.4
if r.status_code is codes.see_other:
method = 'GET'
data = None
else:
method = self.method
# Do what the browsers do if strict_mode is off...
if (not self.config.get('strict_mode')):
if r.status_code in (codes.moved, codes.found) and self.method == 'POST':
method = 'GET'
data = None
if (r.status_code == 303) and self.method != 'HEAD':
method = 'GET'
data = None
# Remove the cookie headers that were sent.
headers = self.headers
try:
@@ -254,18 +278,19 @@ class Request(object):
method=method,
params=self.session.params,
auth=self.auth,
cookies=cookies,
cookies=self.cookies,
redirect=True,
data=data,
config=self.config,
timeout=self.timeout,
_poolmanager=self._poolmanager,
proxies = self.proxies,
verify = self.verify,
session = self.session
proxies=self.proxies,
verify=self.verify,
session=self.session,
cert=self.cert
)
request.send()
cookies.update(request.response.cookies)
r = request.response
self.cookies.update(r.cookies)
@@ -275,7 +300,6 @@ class Request(object):
self.response.request = self
self.response.cookies.update(self.cookies)
@staticmethod
def _encode_params(data):
"""Encode parameters in a piece of data.
@@ -288,10 +312,12 @@ class Request(object):
returns it twice.
"""
if isinstance(data, bytes):
return data, data
if hasattr(data, '__iter__') and not isinstance(data, str):
data = dict(data)
if hasattr(data, 'items'):
result = []
for k, vs in list(data.items()):
@@ -314,30 +340,44 @@ class Request(object):
# Support for unicode domain names and paths.
scheme, netloc, path, params, query, fragment = urlparse(url)
if not scheme:
raise ValueError("Invalid URL %r: No schema supplied" % url)
raise MissingSchema("Invalid URL %r: No schema supplied" % url)
if not scheme in SCHEMAS:
raise InvalidSchema("Invalid scheme %r" % scheme)
netloc = netloc.encode('idna').decode('utf-8')
if not path:
path = '/'
if is_py2:
if isinstance(scheme, str):
scheme = scheme.encode('utf-8')
if isinstance(netloc, str):
netloc = netloc.encode('utf-8')
if isinstance(path, str):
path = path.encode('utf-8')
if isinstance(params, str):
params = params.encode('utf-8')
if isinstance(query, str):
query = query.encode('utf-8')
if isinstance(fragment, str):
fragment = fragment.encode('utf-8')
path = requote_path(path)
# print([ scheme, netloc, path, params, query, fragment ])
# print('---------------------')
url = (urlunparse([ scheme, netloc, path, params, query, fragment ]))
url = (urlunparse([scheme, netloc, path, params, query, fragment]))
if self._enc_params:
if urlparse(url).query:
return '%s&%s' % (url, self._enc_params)
url = '%s&%s' % (url, self._enc_params)
else:
return '%s?%s' % (url, self._enc_params)
else:
return url
url = '%s?%s' % (url, self._enc_params)
if self.config.get('encode_uri', True):
url = requote_uri(url)
return url
@property
def path_url(self):
@@ -355,9 +395,6 @@ class Request(object):
if not path:
path = '/'
# if is_py3:
path = quote(path.encode('utf-8'))
url.append(path)
query = p.query
@@ -365,19 +402,15 @@ class Request(object):
url.append('?')
url.append(query)
# print(url)
return ''.join(url)
def register_hook(self, event, hook):
"""Properly register a hook."""
return self.hooks[event].append(hook)
def send(self, anyway=False, prefetch=False):
"""Sends the request. Returns True of successful, false if not.
"""Sends the request. Returns True of successful, False if not.
If there was an HTTPError during transmission,
self.response.status_code will contain the HTTPError code.
@@ -435,6 +468,10 @@ class Request(object):
if (content_type) and (not 'content-type' in self.headers):
self.headers['Content-Type'] = content_type
# Use .netrc auth if none was provided.
if not self.auth and self.config.get('trust_env'):
self.auth = get_netrc_auth(url)
if self.auth:
if isinstance(self.auth, tuple) and len(self.auth) == 2:
# special-case basic HTTP auth
@@ -472,13 +509,12 @@ class Request(object):
if self.verify is not True:
cert_loc = self.verify
# Look for configuration.
if not cert_loc:
if not cert_loc and self.config.get('trust_env'):
cert_loc = os.environ.get('REQUESTS_CA_BUNDLE')
# Curl compatiblity.
if not cert_loc:
if not cert_loc and self.config.get('trust_env'):
cert_loc = os.environ.get('CURL_CA_BUNDLE')
# Use the awesome certifi list.
@@ -491,6 +527,13 @@ class Request(object):
conn.cert_reqs = 'CERT_NONE'
conn.ca_certs = None
if self.cert and self.verify:
if len(self.cert) == 2:
conn.cert_file = self.cert[0]
conn.key_file = self.cert[1]
else:
conn.cert_file = self.cert
if not self.sent or anyway:
if self.cookies:
@@ -509,6 +552,10 @@ class Request(object):
# Attach Cookie header to request.
self.headers['Cookie'] = cookie_header
# Pre-request hook.
r = dispatch_hook('pre_request', self.hooks, self)
self.__dict__.update(r.__dict__)
try:
# The inner try .. except re-raises certain exceptions as
# internal exception types; the outer suppresses exceptions
@@ -523,7 +570,7 @@ class Request(object):
redirect=False,
assert_same_host=False,
preload_content=False,
decode_content=True,
decode_content=False,
retries=self.config.get('max_retries', 0),
timeout=self.timeout,
)
@@ -613,7 +660,6 @@ class Response(object):
#: Dictionary of configurations for this request.
self.config = {}
def __repr__(self):
return '<Response [%s]>' % (self.status_code)
@@ -629,11 +675,10 @@ class Response(object):
def ok(self):
try:
self.raise_for_status()
except HTTPError:
except RequestException:
return False
return True
def iter_content(self, chunk_size=10 * 1024, decode_unicode=False):
"""Iterates over the response data. This avoids reading the content
at once into memory for large responses. The chunk size is the number
@@ -653,81 +698,39 @@ class Response(object):
yield chunk
self._content_consumed = True
def generate_chunked():
resp = self.raw._original_response
fp = resp.fp
if resp.chunk_left is not None:
pending_bytes = resp.chunk_left
while pending_bytes:
chunk = fp.read(min(chunk_size, pending_bytes))
pending_bytes-=len(chunk)
yield chunk
fp.read(2) # throw away crlf
while 1:
#XXX correct line size? (httplib has 64kb, seems insane)
pending_bytes = fp.readline(40).strip()
pending_bytes = int(pending_bytes, 16)
if pending_bytes == 0:
break
while pending_bytes:
chunk = fp.read(min(chunk_size, pending_bytes))
pending_bytes-=len(chunk)
yield chunk
fp.read(2) # throw away crlf
self._content_consumed = True
fp.close()
if getattr(getattr(self.raw, '_original_response', None), 'chunked', False):
gen = generate_chunked()
else:
gen = generate()
if 'gzip' in self.headers.get('content-encoding', ''):
gen = stream_decompress(gen, mode='gzip')
elif 'deflate' in self.headers.get('content-encoding', ''):
gen = stream_decompress(gen, mode='deflate')
gen = stream_untransfer(generate(), self)
if decode_unicode:
gen = stream_decode_response_unicode(gen, self)
return gen
def iter_lines(self, chunk_size=10 * 1024, decode_unicode=None):
"""Iterates over the response data, one line at a time. This
avoids reading the content at once into memory for large
responses.
"""
#TODO: why rstrip by default
pending = None
for chunk in self.iter_content(chunk_size, decode_unicode=decode_unicode):
for chunk in self.iter_content(
chunk_size=chunk_size,
decode_unicode=decode_unicode):
if pending is not None:
chunk = pending + chunk
lines = chunk.splitlines(True)
lines = chunk.splitlines()
for line in lines[:-1]:
yield line.rstrip()
# Save the last part of the chunk for next iteration, to keep full line together
# lines may be empty for the last chunk of a chunked response
if lines:
pending = lines[-1]
#if pending is a complete line, give it baack
if pending[-1] == '\n':
yield pending.rstrip()
pending = None
if lines[-1][-1] == chunk[-1]:
pending = lines.pop()
else:
pending = None
# Yield the last line
if pending is not None:
yield pending.rstrip()
for line in lines:
yield line
if pending is not None:
yield pending
@property
def content(self):
@@ -740,13 +743,26 @@ class Response(object):
raise RuntimeError(
'The content for this response was already consumed')
self._content = self.raw.read()
if self.status_code is 0:
self._content = None
else:
self._content = bytes().join(self.iter_content()) or bytes()
except AttributeError:
self._content = None
self._content_consumed = True
return self._content
def _detected_encoding(self):
try:
detected = chardet.detect(self.content) or {}
return detected.get('encoding')
# Trust that chardet isn't available or something went terribly wrong.
except Exception:
pass
@property
def text(self):
@@ -762,43 +778,40 @@ class Response(object):
# Fallback to auto-detected encoding if chardet is available.
if self.encoding is None:
try:
detected = chardet.detect(self.content) or {}
encoding = detected.get('encoding')
# Trust that chardet isn't available or something went terribly wrong.
except Exception:
pass
encoding = self._detected_encoding()
# Decode unicode from given encoding.
try:
content = str(self.content, encoding)
content = str(self.content, encoding, errors='replace')
except LookupError:
# A LookupError is raised if the encoding was not found which could
# indicate a misspelling or similar mistake.
#
# So we try blindly encoding.
content = str(self.content, errors='replace')
except (UnicodeError, TypeError):
pass
# Try to fall back:
if not content:
try:
content = str(content, encoding, errors='replace')
except (UnicodeError, TypeError):
pass
return content
def raise_for_status(self):
def raise_for_status(self, allow_redirects=True):
"""Raises stored :class:`HTTPError` or :class:`URLError`, if one occurred."""
if self.error:
raise self.error
if (self.status_code >= 300) and (self.status_code < 400):
raise HTTPError('%s Redirection' % self.status_code)
if (self.status_code >= 300) and (self.status_code < 400) and not allow_redirects:
http_error = HTTPError('%s Redirection' % self.status_code)
http_error.response = self
raise http_error
elif (self.status_code >= 400) and (self.status_code < 500):
raise HTTPError('%s Client Error' % self.status_code)
http_error = HTTPError('%s Client Error' % self.status_code)
http_error.response = self
raise http_error
elif (self.status_code >= 500) and (self.status_code < 600):
raise HTTPError('%s Server Error' % self.status_code)
http_error = HTTPError('%s Server Error' % self.status_code)
http_error.response = self
raise http_error
+4 -1
View File
@@ -249,10 +249,13 @@ class CookieError(Exception):
# quoted with a preceeding '\' slash.
#
# These are taken from RFC2068 and RFC2109.
# _RFC2965Forbidden is the list of forbidden chars we accept anyway
# _LegalChars is the list of chars which don't require "'s
# _Translator hash-table for fast quoting
#
_LegalChars = string.ascii_letters + string.digits + "!#$%&'*+-.^_`|~[]_"
_RFC2965Forbidden = "[]:{}="
_LegalChars = ( string.ascii_letters + string.digits +
"!#$%&'*+-.^_`|~_@" + _RFC2965Forbidden )
_Translator = {
'\000' : '\\000', '\001' : '\\001', '\002' : '\\002',
'\003' : '\\003', '\004' : '\\004', '\005' : '\\005',
+5 -5
View File
@@ -1,8 +1,8 @@
# -*- coding: utf-8 -*-
"""
oreos.sructures
~~~~~~~~~~~~~~~
oreos.structures
~~~~~~~~~~~~~~~~
The plastic blue packaging.
@@ -362,7 +362,7 @@ class MultiDict(TypeConversionDict):
"""
try:
return dict.pop(self, key)[0]
except KeyError, e:
except KeyError as e:
if default is not _missing:
return default
raise KeyError(str(e))
@@ -372,7 +372,7 @@ class MultiDict(TypeConversionDict):
try:
item = dict.popitem(self)
return (item[0], item[1][0])
except KeyError, e:
except KeyError as e:
raise KeyError(str(e))
def poplist(self, key):
@@ -389,7 +389,7 @@ class MultiDict(TypeConversionDict):
"""Pop a ``(key, list)`` tuple from the dict."""
try:
return dict.popitem(self)
except KeyError, e:
except KeyError as e:
raise KeyError(str(e))
def __copy__(self):
+6 -12
View File
@@ -10,26 +10,20 @@ urllib3 - Thread-safe connection pooling and re-using.
__author__ = 'Andrey Petrov (andrey.petrov@shazow.net)'
__license__ = 'MIT'
__version__ = '1.1'
__version__ = '1.3'
from .connectionpool import (
HTTPConnectionPool,
HTTPSConnectionPool,
connection_from_url,
get_host,
make_headers)
from .exceptions import (
HTTPError,
MaxRetryError,
SSLError,
TimeoutError)
connection_from_url
)
from . import exceptions
from .filepost import encode_multipart_formdata
from .poolmanager import PoolManager, ProxyManager, proxy_from_url
from .response import HTTPResponse
from .filepost import encode_multipart_formdata
from .util import make_headers, get_host
# Set default logging handler to avoid "No handler found" warnings.
+43 -126
View File
@@ -9,45 +9,51 @@ import socket
from socket import error as SocketError, timeout as SocketTimeout
try:
from select import poll, POLLIN
except ImportError: # Doesn't exist on OSX and other platforms
from select import select
poll = False
try: # Python 3
from http.client import HTTPConnection, HTTPSConnection, HTTPException
from http.client import HTTPConnection, HTTPException
from http.client import HTTP_PORT, HTTPS_PORT
except ImportError:
from httplib import HTTPConnection, HTTPSConnection, HTTPException
from httplib import HTTPConnection, HTTPException
from httplib import HTTP_PORT, HTTPS_PORT
try: # Python 3
from queue import Queue, Empty, Full
from queue import LifoQueue, Empty, Full
except ImportError:
from Queue import Queue, Empty, Full
from Queue import LifoQueue, Empty, Full
try: # Compiled with SSL?
HTTPSConnection = object
BaseSSLError = None
ssl = None
try: # Python 3
from http.client import HTTPSConnection
except ImportError:
from httplib import HTTPSConnection
import ssl
BaseSSLError = ssl.SSLError
except ImportError:
ssl = None
BaseSSLError = None
except (ImportError, AttributeError):
pass
from .packages.ssl_match_hostname import match_hostname, CertificateError
from .request import RequestMethods
from .response import HTTPResponse
from .exceptions import (SSLError,
MaxRetryError,
TimeoutError,
HostChangedError,
from .util import get_host, is_connection_dropped
from .exceptions import (
EmptyPoolError,
HostChangedError,
MaxRetryError,
SSLError,
TimeoutError,
)
from .packages.ssl_match_hostname import match_hostname, CertificateError
from .packages import six
xrange = six.moves.xrange
log = logging.getLogger(__name__)
@@ -59,6 +65,7 @@ port_by_scheme = {
'https': HTTPS_PORT,
}
## Connection objects (extension of httplib)
class VerifiedHTTPSConnection(HTTPSConnection):
@@ -94,6 +101,7 @@ class VerifiedHTTPSConnection(HTTPSConnection):
if self.ca_certs:
match_hostname(self.sock.getpeercert(), self.host)
## Pool objects
class ConnectionPool(object):
@@ -103,6 +111,7 @@ class ConnectionPool(object):
"""
scheme = None
QueueCls = LifoQueue
def __init__(self, host, port=None):
self.host = host
@@ -156,11 +165,11 @@ class HTTPConnectionPool(ConnectionPool, RequestMethods):
def __init__(self, host, port=None, strict=False, timeout=None, maxsize=1,
block=False, headers=None):
self.host = host
self.port = port
super(HTTPConnectionPool, self).__init__(host, port)
self.strict = strict
self.timeout = timeout
self.pool = Queue(maxsize)
self.pool = self.QueueCls(maxsize)
self.block = block
self.headers = headers or {}
@@ -198,7 +207,7 @@ class HTTPConnectionPool(ConnectionPool, RequestMethods):
conn = self.pool.get(block=self.block, timeout=timeout)
# If this is a persistent connection, check if it got disconnected
if conn and conn.sock and is_connection_dropped(conn):
if conn and is_connection_dropped(conn):
log.info("Resetting dropped connection: %s" % self.host)
conn.close()
@@ -242,9 +251,13 @@ class HTTPConnectionPool(ConnectionPool, RequestMethods):
timeout = self.timeout
conn.timeout = timeout # This only does anything in Py26+
conn.request(method, url, **httplib_request_kw)
conn.sock.settimeout(timeout)
# Set timeout
sock = getattr(conn, 'sock', False) # AppEngine doesn't have sock attr.
if sock:
sock.settimeout(timeout)
httplib_response = conn.getresponse()
log.debug("\"%s %s %s\" %s %s" %
@@ -281,7 +294,7 @@ class HTTPConnectionPool(ConnectionPool, RequestMethods):
.. note::
More commonly, it's appropriate to use a convenience method provided
by :class:`.RequestMethods`, such as :meth:`.request`.
by :class:`.RequestMethods`, such as :meth:`request`.
.. note::
@@ -468,7 +481,11 @@ class HTTPSConnectionPool(HTTPConnectionPool):
log.info("Starting new HTTPS connection (%d): %s"
% (self.num_connections, self.host))
if not ssl:
if not ssl: # Platform-specific: Python compiled without +ssl
if not HTTPSConnection or HTTPSConnection is object:
raise SSLError("Can't connect to HTTPS URL because the SSL "
"module is not available.")
return HTTPSConnection(host=self.host, port=self.port)
connection = VerifiedHTTPSConnection(host=self.host, port=self.port)
@@ -477,87 +494,6 @@ class HTTPSConnectionPool(HTTPConnectionPool):
return connection
## Helpers
def make_headers(keep_alive=None, accept_encoding=None, user_agent=None,
basic_auth=None):
"""
Shortcuts for generating request headers.
:param keep_alive:
If ``True``, adds 'connection: keep-alive' header.
:param accept_encoding:
Can be a boolean, list, or string.
``True`` translates to 'gzip,deflate'.
List will get joined by comma.
String will be used as provided.
:param user_agent:
String representing the user-agent you want, such as
"python-urllib3/0.6"
:param basic_auth:
Colon-separated username:password string for 'authorization: basic ...'
auth header.
Example: ::
>>> make_headers(keep_alive=True, user_agent="Batman/1.0")
{'connection': 'keep-alive', 'user-agent': 'Batman/1.0'}
>>> make_headers(accept_encoding=True)
{'accept-encoding': 'gzip,deflate'}
"""
headers = {}
if accept_encoding:
if isinstance(accept_encoding, str):
pass
elif isinstance(accept_encoding, list):
accept_encoding = ','.join(accept_encoding)
else:
accept_encoding = 'gzip,deflate'
headers['accept-encoding'] = accept_encoding
if user_agent:
headers['user-agent'] = user_agent
if keep_alive:
headers['connection'] = 'keep-alive'
if basic_auth:
headers['authorization'] = 'Basic ' + \
basic_auth.encode('base64').strip()
return headers
def get_host(url):
"""
Given a url, return its scheme, host and port (None if it's not there).
For example: ::
>>> get_host('http://google.com/mail/')
('http', 'google.com', None)
>>> get_host('google.com:80')
('http', 'google.com', 80)
"""
# This code is actually similar to urlparse.urlsplit, but much
# simplified for our needs.
port = None
scheme = 'http'
if '://' in url:
scheme, url = url.split('://', 1)
if '/' in url:
url, _path = url.split('/', 1)
if '@' in url:
_auth, url = url.split('@', 1)
if ':' in url:
url, port = url.split(':', 1)
port = int(port)
return scheme, url, port
def connection_from_url(url, **kw):
"""
Given a url, return an :class:`.ConnectionPool` instance of its host.
@@ -583,22 +519,3 @@ def connection_from_url(url, **kw):
return HTTPSConnectionPool(host, port=port, **kw)
else:
return HTTPConnectionPool(host, port=port, **kw)
def is_connection_dropped(conn):
"""
Returns True if the connection is dropped and should be closed.
:param conn:
``HTTPConnection`` object.
"""
if not poll:
return select([conn.sock], [], [], 0.0)[0]
# This version is better on platforms that support it.
p = poll()
p.register(conn.sock, POLLIN)
for (fno, ev) in p.poll(0.0):
if fno == conn.sock.fileno():
# Either data is buffered (bad), or the connection is dropped.
return True
+17 -4
View File
@@ -4,6 +4,7 @@
# This module is part of urllib3 and is released under
# the MIT License: http://www.opensource.org/licenses/mit-license.php
## Base Exceptions
class HTTPError(Exception):
@@ -27,18 +28,20 @@ class SSLError(HTTPError):
class MaxRetryError(PoolError):
"Raised when the maximum number of retries is exceeded."
def __init__(self, pool, url):
PoolError.__init__(self, pool,
"Max retries exceeded with url: %s" % url)
message = "Max retries exceeded with url: %s" % url
PoolError.__init__(self, pool, message)
self.url = url
class HostChangedError(PoolError):
"Raised when an existing pool gets a request for a foreign host."
def __init__(self, pool, url, retries=3):
PoolError.__init__(self, pool,
"Tried to open a foreign host with url: %s" % url)
message = "Tried to open a foreign host with url: %s" % url
PoolError.__init__(self, pool, message)
self.url = url
self.retries = retries
@@ -52,3 +55,13 @@ class TimeoutError(PoolError):
class EmptyPoolError(PoolError):
"Raised when a pool runs out of connections and no more are allowed."
pass
class LocationParseError(ValueError, HTTPError):
"Raised when get_host or similar fails to parse the URL input."
def __init__(self, location):
message = "Failed to parse: %s" % location
super(LocationParseError, self).__init__(self, message)
self.location = location
+19 -5
View File
@@ -24,15 +24,29 @@ def get_content_type(filename):
return mimetypes.guess_type(filename)[0] or 'application/octet-stream'
def iter_fields(fields):
"""
Iterate over fields.
Supports list of (k, v) tuples and dicts.
"""
if isinstance(fields, dict):
return ((k, v) for k, v in six.iteritems(fields))
return ((k, v) for k, v in fields)
def encode_multipart_formdata(fields, boundary=None):
"""
Encode a dictionary of ``fields`` using the multipart/form-data mime format.
:param fields:
Dictionary of fields. The key is treated as the field name, and the
value as the body of the form-data. If the value is a tuple of two
elements, then the first element is treated as the filename of the
form-data section.
Dictionary of fields or list of (key, value) field tuples. The key is
treated as the field name, and the value as the body of the form-data
bytes. If the value is a tuple of two elements, then the first element
is treated as the filename of the form-data section.
Field names and filenames must be unicode.
:param boundary:
If not specified, then a random boundary will be generated using
@@ -42,7 +56,7 @@ def encode_multipart_formdata(fields, boundary=None):
if boundary is None:
boundary = choose_boundary()
for fieldname, value in six.iteritems(fields):
for fieldname, value in iter_fields(fields):
body.write(b('--%s\r\n' % (boundary)))
if isinstance(value, tuple):
+12 -2
View File
@@ -39,11 +39,11 @@ class PoolManager(RequestMethods):
Example: ::
>>> manager = PoolManager()
>>> manager = PoolManager(num_pools=2)
>>> r = manager.urlopen("http://google.com/")
>>> r = manager.urlopen("http://google.com/mail")
>>> r = manager.urlopen("http://yahoo.com/")
>>> len(r.pools)
>>> len(manager.pools)
2
"""
@@ -117,9 +117,19 @@ class ProxyManager(RequestMethods):
def __init__(self, proxy_pool):
self.proxy_pool = proxy_pool
def _set_proxy_headers(self, headers=None):
headers = headers or {}
# Same headers are curl passes for --proxy1.0
headers['Accept'] = '*/*'
headers['Proxy-Connection'] = 'Keep-Alive'
return headers
def urlopen(self, method, url, **kw):
"Same as HTTP(S)ConnectionPool.urlopen, ``url`` must be absolute."
kw['assert_same_host'] = False
kw['headers'] = self._set_proxy_headers(kw.get('headers'))
return self.proxy_pool.urlopen(method, url, **kw)
+1 -20
View File
@@ -44,7 +44,7 @@ class RequestMethods(object):
def urlopen(self, method, url, body=None, headers=None,
encode_multipart=True, multipart_boundary=None,
**kw):
**kw): # Abstract
raise NotImplemented("Classes extending RequestMethods must implement "
"their own ``urlopen`` method.")
@@ -126,22 +126,3 @@ class RequestMethods(object):
return self.urlopen(method, url, body=body, headers=headers,
**urlopen_kw)
# Deprecated:
def get_url(self, url, fields=None, **urlopen_kw):
"""
.. deprecated:: 1.0
Use :meth:`request` instead.
"""
return self.request_encode_url('GET', url, fields=fields,
**urlopen_kw)
def post_url(self, url, fields=None, headers=None, **urlopen_kw):
"""
.. deprecated:: 1.0
Use :meth:`request` instead.
"""
return self.request_encode_body('POST', url, fields=fields,
headers=headers,
**urlopen_kw)
+14 -8
View File
@@ -11,12 +11,7 @@ import zlib
from io import BytesIO
from .exceptions import HTTPError
try:
basestring = basestring
except NameError: # Python 3
basestring = (str, bytes)
from .packages.six import string_types as basestring
log = logging.getLogger(__name__)
@@ -176,11 +171,22 @@ class HTTPResponse(object):
with ``original_response=r``.
"""
# Normalize headers between different versions of Python
headers = {}
for k, v in r.getheaders():
# Python 3: Header keys are returned capitalised
k = k.lower()
has_value = headers.get(k)
if has_value: # Python 3: Repeating header keys are unmerged.
v = ', '.join([has_value, v])
headers[k] = v
# HTTPResponse objects in Python 3 don't have a .strict attribute
strict = getattr(r, 'strict', 0)
return ResponseCls(body=r,
# In Python 3, the header keys are returned capitalised
headers=dict((k.lower(), v) for k,v in r.getheaders()),
headers=headers,
status=r.status,
version=r.version,
reason=r.reason,
+136
View File
@@ -0,0 +1,136 @@
# urllib3/util.py
# Copyright 2008-2012 Andrey Petrov and contributors (see CONTRIBUTORS.txt)
#
# This module is part of urllib3 and is released under
# the MIT License: http://www.opensource.org/licenses/mit-license.php
from base64 import b64encode
try:
from select import poll, POLLIN
except ImportError: # `poll` doesn't exist on OSX and other platforms
poll = False
try:
from select import select
except ImportError: # `select` doesn't exist on AppEngine.
select = False
from .packages import six
from .exceptions import LocationParseError
def make_headers(keep_alive=None, accept_encoding=None, user_agent=None,
basic_auth=None):
"""
Shortcuts for generating request headers.
:param keep_alive:
If ``True``, adds 'connection: keep-alive' header.
:param accept_encoding:
Can be a boolean, list, or string.
``True`` translates to 'gzip,deflate'.
List will get joined by comma.
String will be used as provided.
:param user_agent:
String representing the user-agent you want, such as
"python-urllib3/0.6"
:param basic_auth:
Colon-separated username:password string for 'authorization: basic ...'
auth header.
Example: ::
>>> make_headers(keep_alive=True, user_agent="Batman/1.0")
{'connection': 'keep-alive', 'user-agent': 'Batman/1.0'}
>>> make_headers(accept_encoding=True)
{'accept-encoding': 'gzip,deflate'}
"""
headers = {}
if accept_encoding:
if isinstance(accept_encoding, str):
pass
elif isinstance(accept_encoding, list):
accept_encoding = ','.join(accept_encoding)
else:
accept_encoding = 'gzip,deflate'
headers['accept-encoding'] = accept_encoding
if user_agent:
headers['user-agent'] = user_agent
if keep_alive:
headers['connection'] = 'keep-alive'
if basic_auth:
headers['authorization'] = 'Basic ' + \
b64encode(six.b(basic_auth)).decode('utf-8')
return headers
def get_host(url):
"""
Given a url, return its scheme, host and port (None if it's not there).
For example: ::
>>> get_host('http://google.com/mail/')
('http', 'google.com', None)
>>> get_host('google.com:80')
('http', 'google.com', 80)
"""
# This code is actually similar to urlparse.urlsplit, but much
# simplified for our needs.
port = None
scheme = 'http'
if '://' in url:
scheme, url = url.split('://', 1)
if '/' in url:
url, _path = url.split('/', 1)
if '@' in url:
_auth, url = url.split('@', 1)
if ':' in url:
url, port = url.split(':', 1)
if not port.isdigit():
raise LocationParseError("Failed to parse: %s" % url)
port = int(port)
return scheme, url, port
def is_connection_dropped(conn):
"""
Returns True if the connection is dropped and should be closed.
:param conn:
``HTTPConnection`` object.
Note: For platforms like AppEngine, this will always return ``False`` to
let the platform handle connection recycling transparently for us.
"""
sock = getattr(conn, 'sock', False)
if not sock: #Platform-specific: AppEngine
return False
if not poll: # Platform-specific
if not select: #Platform-specific: AppEngine
return False
return select([sock], [], [], 0.0)[0]
# This version is better on platforms that support it.
p = poll()
p.register(sock, POLLIN)
for (fno, ev) in p.poll(0.0):
if fno == sock.fileno():
# Either data is buffered (bad), or the connection is dropped.
return True
+38 -21
View File
@@ -40,7 +40,7 @@ def merge_kwargs(local_kwarg, default_kwarg):
kwargs.update(local_kwarg)
# Remove keys that are set to None.
for (k,v) in list(local_kwarg.items()):
for (k, v) in list(local_kwarg.items()):
if v is None:
del kwargs[k]
@@ -52,7 +52,7 @@ class Session(object):
__attrs__ = [
'headers', 'cookies', 'auth', 'timeout', 'proxies', 'hooks',
'params', 'config']
'params', 'config', 'verify', 'cert']
def __init__(self,
@@ -64,7 +64,9 @@ class Session(object):
hooks=None,
params=None,
config=None,
verify=True):
prefetch=False,
verify=True,
cert=None):
self.headers = headers or {}
self.cookies = cookies or {}
@@ -74,15 +76,14 @@ class Session(object):
self.hooks = hooks or {}
self.params = params or {}
self.config = config or {}
self.prefetch = prefetch
self.verify = verify
self.cert = cert
for (k, v) in list(defaults.items()):
self.config.setdefault(k, v)
self.poolmanager = PoolManager(
num_pools=self.config.get('pool_connections'),
maxsize=self.config.get('pool_maxsize')
)
self.init_poolmanager()
# Set up a CookieJar to be used by default
self.cookies = {}
@@ -91,6 +92,12 @@ class Session(object):
if cookies is not None:
self.cookies.update(cookies)
def init_poolmanager(self):
self.poolmanager = PoolManager(
num_pools=self.config.get('pool_connections'),
maxsize=self.config.get('pool_maxsize')
)
def __repr__(self):
return '<requests-client at 0x%x>' % (id(self))
@@ -108,13 +115,14 @@ class Session(object):
files=None,
auth=None,
timeout=None,
allow_redirects=False,
allow_redirects=True,
proxies=None,
hooks=None,
return_response=True,
config=None,
prefetch=False,
verify=None):
verify=None,
cert=None):
"""Constructs and sends a :class:`Request <Request>`.
Returns :class:`Response <Response>` object.
@@ -128,12 +136,13 @@ class Session(object):
:param files: (optional) Dictionary of 'filename': file-like-objects for multipart encoding upload.
:param auth: (optional) Auth tuple to enable Basic/Digest/Custom HTTP Auth.
:param timeout: (optional) Float describing the timeout of the request.
:param allow_redirects: (optional) Boolean. Set to True if POST/PUT/DELETE redirect following is allowed.
:param allow_redirects: (optional) Boolean. Set to True by default.
:param proxies: (optional) Dictionary mapping protocol to the URL of the proxy.
:param return_response: (optional) If False, an un-sent Request object will returned.
:param config: (optional) A configuration dictionary.
:param prefetch: (optional) if ``True``, the response content will be immediately downloaded.
:param verify: (optional) if ``True``, the SSL cert will be verified. A CA_BUNDLE path can also be provided.
:param cert: (optional) if String, path to ssl client cert file (.pem). If Tuple, ('cert', 'key') pair.
"""
method = str(method).upper()
@@ -145,9 +154,7 @@ class Session(object):
headers = {} if headers is None else headers
params = {} if params is None else params
hooks = {} if hooks is None else hooks
if verify is None:
verify = self.verify
prefetch = self.prefetch or prefetch
# use session's hooks as defaults
for key, cb in list(self.hooks.items()):
@@ -173,6 +180,7 @@ class Session(object):
proxies=proxies,
config=config,
verify=verify,
cert=cert,
_poolmanager=self.poolmanager
)
@@ -210,7 +218,7 @@ class Session(object):
"""Sends a GET request. Returns :class:`Response` object.
:param url: URL for the new :class:`Request` object.
:param **kwargs: Optional arguments that ``request`` takes.
:param \*\*kwargs: Optional arguments that ``request`` takes.
"""
kwargs.setdefault('allow_redirects', True)
@@ -221,7 +229,7 @@ class Session(object):
"""Sends a OPTIONS request. Returns :class:`Response` object.
:param url: URL for the new :class:`Request` object.
:param **kwargs: Optional arguments that ``request`` takes.
:param \*\*kwargs: Optional arguments that ``request`` takes.
"""
kwargs.setdefault('allow_redirects', True)
@@ -232,10 +240,10 @@ class Session(object):
"""Sends a HEAD request. Returns :class:`Response` object.
:param url: URL for the new :class:`Request` object.
:param **kwargs: Optional arguments that ``request`` takes.
:param \*\*kwargs: Optional arguments that ``request`` takes.
"""
kwargs.setdefault('allow_redirects', True)
kwargs.setdefault('allow_redirects', False)
return self.request('head', url, **kwargs)
@@ -244,7 +252,7 @@ class Session(object):
:param url: URL for the new :class:`Request` object.
:param data: (optional) Dictionary or bytes to send in the body of the :class:`Request`.
:param **kwargs: Optional arguments that ``request`` takes.
:param \*\*kwargs: Optional arguments that ``request`` takes.
"""
return self.request('post', url, data=data, **kwargs)
@@ -255,7 +263,7 @@ class Session(object):
:param url: URL for the new :class:`Request` object.
:param data: (optional) Dictionary or bytes to send in the body of the :class:`Request`.
:param **kwargs: Optional arguments that ``request`` takes.
:param \*\*kwargs: Optional arguments that ``request`` takes.
"""
return self.request('put', url, data=data, **kwargs)
@@ -266,7 +274,7 @@ class Session(object):
:param url: URL for the new :class:`Request` object.
:param data: (optional) Dictionary or bytes to send in the body of the :class:`Request`.
:param **kwargs: Optional arguments that ``request`` takes.
:param \*\*kwargs: Optional arguments that ``request`` takes.
"""
return self.request('patch', url, data=data, **kwargs)
@@ -276,11 +284,20 @@ class Session(object):
"""Sends a DELETE request. Returns :class:`Response` object.
:param url: URL for the new :class:`Request` object.
:param **kwargs: Optional arguments that ``request`` takes.
:param \*\*kwargs: Optional arguments that ``request`` takes.
"""
return self.request('delete', url, **kwargs)
def __getstate__(self):
return dict((attr, getattr(self, attr, None)) for attr in self.__attrs__)
def __setstate__(self, state):
for attr, value in state.items():
setattr(self, attr, value)
self.init_poolmanager()
def session(**kwargs):
"""Returns a :class:`Session` for context-management."""
+106 -42
View File
@@ -15,9 +15,54 @@ import os
import random
import re
import zlib
from netrc import netrc, NetrcParseError
from .compat import parse_http_list as _parse_list_header
from .compat import quote, unquote, cookielib, SimpleCookie, is_py2
from .compat import quote, cookielib, SimpleCookie, is_py2, urlparse
from .compat import basestring, bytes, str
NETRC_FILES = ('.netrc', '_netrc')
def dict_to_sequence(d):
"""Returns an internal sequence dictionary update."""
if hasattr(d, 'items'):
d = d.items()
return d
def get_netrc_auth(url):
"""Returns the Requests tuple auth for a given url from netrc."""
locations = (os.path.expanduser('~/{0}'.format(f)) for f in NETRC_FILES)
netrc_path = None
for loc in locations:
if os.path.exists(loc) and not netrc_path:
netrc_path = loc
# Abort early if there isn't one.
if netrc_path is None:
return netrc_path
ri = urlparse(url)
# Strip port numbers from netloc
host = ri.netloc.split(':')[0]
try:
_netrc = netrc(netrc_path).authenticators(host)
if _netrc:
# Return with login / password
login_i = (0 if _netrc[0] else 1)
return (_netrc[login_i], _netrc[2])
except (NetrcParseError, IOError, AttributeError):
# If there was a parsing error or a permissions issue reading the file,
# we'll just skip netrc auth
pass
def dict_from_string(s):
@@ -25,20 +70,26 @@ def dict_from_string(s):
cookies = dict()
c = SimpleCookie()
c.load(s)
try:
c = SimpleCookie()
c.load(s)
for k,v in list(c.items()):
cookies.update({k: v.value})
for k, v in list(c.items()):
cookies.update({k: v.value})
# This stuff is not to be trusted.
except Exception:
pass
return cookies
def guess_filename(obj):
"""Tries to guess the filename of the given object."""
name = getattr(obj, 'name', None)
if name and name[0] != '<' and name[-1] != '>':
return name
# From mitsuhiko/werkzeug (used with permission).
def parse_list_header(value):
"""Parse lists as described by RFC 2068 Section 2.
@@ -145,8 +196,14 @@ def header_expand(headers):
if isinstance(headers, dict):
headers = list(headers.items())
elif isinstance(headers, basestring):
return headers
elif isinstance(headers, str):
# As discussed in https://github.com/kennethreitz/requests/issues/400
# latin-1 is the most conservative encoding used on the web. Anyone
# who needs more can encode to a byte-string before calling
return headers.encode("latin-1")
elif headers is None:
return headers
for i, (value, params) in enumerate(headers):
@@ -164,10 +221,9 @@ def header_expand(headers):
collector.append('; '.join(_params))
if not len(headers) == i+1:
if not len(headers) == i + 1:
collector.append(', ')
# Remove trailing separators.
if collector[-1] in (', ', '; '):
del collector[-1]
@@ -175,7 +231,6 @@ def header_expand(headers):
return ''.join(collector)
def randombytes(n):
"""Return n random bytes."""
if is_py2:
@@ -286,23 +341,6 @@ def get_encoding_from_headers(headers):
return 'ISO-8859-1'
def unicode_from_html(content):
"""Attempts to decode an HTML string into unicode.
If unsuccessful, the original content is returned.
"""
encodings = get_encodings_from_content(content)
for encoding in encodings:
try:
return str(content, encoding)
except (UnicodeError, TypeError):
pass
return content
def stream_decode_response_unicode(iterator, r):
"""Stream decodes a iterator."""
@@ -354,15 +392,6 @@ def get_unicode_from_response(r):
return r.content
def decode_gzip(content):
"""Return gzip-decoded string.
:param content: bytestring to gzip-decode.
"""
return zlib.decompress(content, 16 + zlib.MAX_WBITS)
def stream_decompress(iterator, mode='gzip'):
"""
Stream decodes an iterator over compressed data
@@ -390,18 +419,53 @@ def stream_decompress(iterator, mode='gzip'):
yield chunk
else:
# Make sure everything has been returned from the decompression object
buf = dec.decompress('')
buf = dec.decompress(bytes())
rv = buf + dec.flush()
if rv:
yield rv
def requote_path(path):
"""Re-quote the given URL path component.
def stream_untransfer(gen, resp):
if 'gzip' in resp.headers.get('content-encoding', ''):
gen = stream_decompress(gen, mode='gzip')
elif 'deflate' in resp.headers.get('content-encoding', ''):
gen = stream_decompress(gen, mode='deflate')
This function passes the given path through an unquote/quote cycle to
return gen
# The unreserved URI characters (RFC 3986)
UNRESERVED_SET = frozenset(
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
+ "0123456789-._~")
def unquote_unreserved(uri):
"""Un-escape any percent-escape sequences in a URI that are unreserved
characters.
This leaves all reserved, illegal and non-ASCII bytes encoded.
"""
parts = uri.split('%')
for i in range(1, len(parts)):
h = parts[i][0:2]
if len(h) == 2:
c = chr(int(h, 16))
if c in UNRESERVED_SET:
parts[i] = c + parts[i][2:]
else:
parts[i] = '%' + parts[i]
else:
parts[i] = '%' + parts[i]
return ''.join(parts)
def requote_uri(uri):
"""Re-quote the given URI.
This function passes the given URI through an unquote/quote cycle to
ensure that it is fully and consistently quoted.
"""
parts = path.split(b"/")
parts = (quote(unquote(part), safe=b"") for part in parts)
return b"/".join(parts)
# Unquote only the unreserved characters
# Then quote only illegal characters (do not quote reserved, unreserved,
# or '%')
return quote(unquote_unreserved(uri), safe="!#$%&'()*+,/:;=?@[]~")