Imported Upstream version 0.10.1

13 files changed, 722 insertions, 120 deletions

diff --git a/requests/packages/oreos/monkeys.py b/requests/packages/oreos/monkeys.py
index 6be3074..2269e30 100644
--- a/requests/packages/oreos/monkeys.py
+++ b/requests/packages/oreos/monkeys.py
@@ -318,7 +318,7 @@ _Translator       = {
     '\375' : '\\375',  '\376' : '\\376',  '\377' : '\\377'
     }
 
-_idmap = ''.join(chr(x) for x in xrange(256))
+_idmap = ''.join(chr(x) for x in range(256))
 
 def _quote(str, LegalChars=_LegalChars,
            idmap=_idmap, translate=string.translate):
diff --git a/requests/packages/urllib3/__init__.py b/requests/packages/urllib3/__init__.py
index 20b1fb4..5f70c56 100644
--- a/requests/packages/urllib3/__init__.py
+++ b/requests/packages/urllib3/__init__.py
@@ -1,5 +1,5 @@
 # urllib3/__init__.py
-# Copyright 2008-2011 Andrey Petrov and contributors (see CONTRIBUTORS.txt)
+# 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
@@ -10,7 +10,7 @@ urllib3 - Thread-safe connection pooling and re-using.
 
 __author__ = 'Andrey Petrov (andrey.petrov@shazow.net)'
 __license__ = 'MIT'
-__version__ = '1.0.2'
+__version__ = '1.1'
 
 
 from .connectionpool import (
diff --git a/requests/packages/urllib3/_collections.py b/requests/packages/urllib3/_collections.py
index 00b2cd5..3cef081 100644
--- a/requests/packages/urllib3/_collections.py
+++ b/requests/packages/urllib3/_collections.py
@@ -1,5 +1,5 @@
 # urllib3/_collections.py
-# Copyright 2008-2011 Andrey Petrov and contributors (see CONTRIBUTORS.txt)
+# 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
diff --git a/requests/packages/urllib3/connectionpool.py b/requests/packages/urllib3/connectionpool.py
index 8b10dc7..52b1802 100644
--- a/requests/packages/urllib3/connectionpool.py
+++ b/requests/packages/urllib3/connectionpool.py
@@ -1,5 +1,5 @@
 # urllib3/connectionpool.py
-# Copyright 2008-2011 Andrey Petrov and contributors (see CONTRIBUTORS.txt)
+# 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
@@ -7,14 +7,27 @@
 import logging
 import socket
 
-
-from httplib import HTTPConnection, HTTPSConnection, HTTPException
-from Queue import Queue, Empty, Full
-from select import select
 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 HTTP_PORT, HTTPS_PORT
+except ImportError:
+    from httplib import HTTPConnection, HTTPSConnection, HTTPException
+    from httplib import HTTP_PORT, HTTPS_PORT
+
+try:   # Python 3
+    from queue import Queue, Empty, Full
+except ImportError:
+    from Queue import Queue, Empty, Full
+
+try:   # Compiled with SSL?
     import ssl
     BaseSSLError = ssl.SSLError
 except ImportError:
@@ -22,21 +35,29 @@ except ImportError:
     BaseSSLError = None
 
 
+from .packages.ssl_match_hostname import match_hostname, CertificateError
 from .request import RequestMethods
 from .response import HTTPResponse
-from .exceptions import (
-    SSLError,
+from .exceptions import (SSLError,
     MaxRetryError,
     TimeoutError,
     HostChangedError,
     EmptyPoolError,
 )
 
+from .packages.ssl_match_hostname import match_hostname, CertificateError
+from .packages import six
+
+xrange = six.moves.xrange
 
 log = logging.getLogger(__name__)
 
 _Default = object()
 
+port_by_scheme = {
+    'http': HTTP_PORT,
+    'https': HTTPS_PORT,
+}
 
 ## Connection objects (extension of httplib)
 
@@ -70,7 +91,8 @@ class VerifiedHTTPSConnection(HTTPSConnection):
         self.sock = ssl.wrap_socket(sock, self.key_file, self.cert_file,
                                     cert_reqs=self.cert_reqs,
                                     ca_certs=self.ca_certs)
-
+        if self.ca_certs:
+            match_hostname(self.sock.getpeercert(), self.host)
 
 ## Pool objects
 
@@ -79,7 +101,16 @@ class ConnectionPool(object):
     Base class for all connection pools, such as
     :class:`.HTTPConnectionPool` and :class:`.HTTPSConnectionPool`.
     """
-    pass
+
+    scheme = None
+
+    def __init__(self, host, port=None):
+        self.host = host
+        self.port = port
+
+    def __str__(self):
+        return '%s(host=%r, port=%r)' % (type(self).__name__,
+                                         self.host, self.port)
 
 
 class HTTPConnectionPool(ConnectionPool, RequestMethods):
@@ -167,14 +198,14 @@ 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 select([conn.sock], [], [], 0.0)[0]:
-                # Either data is buffered (bad), or the connection is dropped.
+            if conn and conn.sock and is_connection_dropped(conn):
                 log.info("Resetting dropped connection: %s" % self.host)
                 conn.close()
 
         except Empty:
             if self.block:
-                raise EmptyPoolError("Pool reached maximum size and no more "
+                raise EmptyPoolError(self,
+                                     "Pool reached maximum size and no more "
                                      "connections are allowed.")
             pass  # Oh well, we'll create a new connection then
 
@@ -210,6 +241,8 @@ class HTTPConnectionPool(ConnectionPool, RequestMethods):
         if timeout is _Default:
             timeout = self.timeout
 
+        conn.timeout = timeout # This only does anything in Py26+
+
         conn.request(method, url, **httplib_request_kw)
         conn.sock.settimeout(timeout)
         httplib_response = conn.getresponse()
@@ -225,11 +258,17 @@ class HTTPConnectionPool(ConnectionPool, RequestMethods):
     def is_same_host(self, url):
         """
         Check if the given ``url`` is a member of the same host as this
-        conncetion pool.
+        connection pool.
         """
         # TODO: Add optional support for socket.gethostbyname checking.
+        scheme, host, port = get_host(url)
+
+        if self.port and not port:
+            # Use explicit default port for comparison when none is given.
+            port = port_by_scheme.get(scheme)
+
         return (url.startswith('/') or
-                get_host(url) == (self.scheme, self.host, self.port))
+                (scheme, host, port) == (self.scheme, self.host, self.port))
 
     def urlopen(self, method, url, body=None, headers=None, retries=3,
                 redirect=True, assert_same_host=True, timeout=_Default,
@@ -244,6 +283,13 @@ class HTTPConnectionPool(ConnectionPool, RequestMethods):
            More commonly, it's appropriate to use a convenience method provided
            by :class:`.RequestMethods`, such as :meth:`.request`.
 
+        .. note::
+
+           `release_conn` will only behave as expected if
+           `preload_content=False` because we want to make
+           `preload_content=False` the default behaviour someday soon without
+           breaking backwards compatibility.
+
         :param method:
             HTTP request method (such as GET, POST, PUT, etc.)
 
@@ -279,10 +325,12 @@ class HTTPConnectionPool(ConnectionPool, RequestMethods):
 
         :param release_conn:
             If False, then the urlopen call will not release the connection
-            back into the pool once a response is received. This is useful if
-            you're not preloading the response's content immediately. You will
-            need to call ``r.release_conn()`` on the response ``r`` to return
-            the connection back into the pool. If None, it takes the value of
+            back into the pool once a response is received (but will release if
+            you read the entire contents of the response such as when
+            `preload_content=True`). This is useful if you're not preloading
+            the response's content immediately. You will need to call
+            ``r.release_conn()`` on the response ``r`` to return the connection
+            back into the pool. If None, it takes the value of
             ``response_kw.get('preload_content', True)``.
 
         :param \**response_kw:
@@ -293,7 +341,10 @@ class HTTPConnectionPool(ConnectionPool, RequestMethods):
             headers = self.headers
 
         if retries < 0:
-            raise MaxRetryError("Max retries exceeded for url: %s" % url)
+            raise MaxRetryError(self, url)
+
+        if timeout is _Default:
+            timeout = self.timeout
 
         if release_conn is None:
             release_conn = response_kw.get('preload_content', True)
@@ -304,8 +355,7 @@ class HTTPConnectionPool(ConnectionPool, RequestMethods):
             if self.port:
                 host = "%s:%d" % (host, self.port)
 
-            raise HostChangedError("Connection pool with host '%s' tried to "
-                                   "open a foreign host: %s" % (host, url))
+            raise HostChangedError(self, url, retries - 1)
 
         conn = None
 
@@ -336,18 +386,29 @@ class HTTPConnectionPool(ConnectionPool, RequestMethods):
             #     ``response.release_conn()`` is called (implicitly by
             #     ``response.read()``)
 
-        except (SocketTimeout, Empty), e:
-            # Timed out either by socket or queue
-            raise TimeoutError("Request timed out after %s seconds" %
-                               self.timeout)
+        except Empty as e:
+            # Timed out by queue
+            raise TimeoutError(self, "Request timed out. (pool_timeout=%s)" %
+                               pool_timeout)
+
+        except SocketTimeout as e:
+            # Timed out by socket
+            raise TimeoutError(self, "Request timed out. (timeout=%s)" %
+                               timeout)
 
-        except (BaseSSLError), e:
+        except BaseSSLError as e:
             # SSL certificate error
             raise SSLError(e)
 
-        except (HTTPException, SocketError), e:
+        except CertificateError as e:
+            # Name mismatch
+            raise SSLError(e)
+
+        except (HTTPException, SocketError) as e:
             # Connection broken, discard. It will be replaced next _get_conn().
             conn = None
+            # This is necessary so we can access e below
+            err = e
 
         finally:
             if conn and release_conn:
@@ -356,19 +417,16 @@ class HTTPConnectionPool(ConnectionPool, RequestMethods):
 
         if not conn:
             log.warn("Retrying (%d attempts remain) after connection "
-                     "broken by '%r': %s" % (retries, e, url))
+                     "broken by '%r': %s" % (retries, err, url))
             return self.urlopen(method, url, body, headers, retries - 1,
                                 redirect, assert_same_host)  # Try again
 
-        # Handle redirection
-        if (redirect and
-            response.status in [301, 302, 303, 307] and
-            'location' in response.headers):  # Redirect, retry
-            log.info("Redirecting %s -> %s" %
-                     (url, response.headers.get('location')))
-            return self.urlopen(method, response.headers.get('location'), body,
-                                headers, retries - 1, redirect,
-                                assert_same_host)
+        # Handle redirect?
+        redirect_location = redirect and response.get_redirect_location()
+        if redirect_location:
+            log.info("Redirecting %s -> %s" % (url, redirect_location))
+            return self.urlopen(method, redirect_location, body, headers,
+                                retries - 1, redirect, assert_same_host)
 
         return response
 
@@ -488,10 +546,12 @@ def get_host(url):
     # simplified for our needs.
     port = None
     scheme = 'http'
-    if '//' in url:
+    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)
@@ -523,3 +583,22 @@ 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
diff --git a/requests/packages/urllib3/exceptions.py b/requests/packages/urllib3/exceptions.py
index 69f459b..0bffeb4 100644
--- a/requests/packages/urllib3/exceptions.py
+++ b/requests/packages/urllib3/exceptions.py
@@ -1,35 +1,54 @@
 # urllib3/exceptions.py
-# Copyright 2008-2011 Andrey Petrov and contributors (see CONTRIBUTORS.txt)
+# 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
 
-## Exceptions
+## Base Exceptions
 
 class HTTPError(Exception):
     "Base exception used by this module."
     pass
 
 
-class SSLError(Exception):
+class PoolError(HTTPError):
+    "Base exception for errors caused within a pool."
+    def __init__(self, pool, message):
+        self.pool = pool
+        HTTPError.__init__(self, "%s: %s" % (pool, message))
+
+
+class SSLError(HTTPError):
     "Raised when SSL certificate fails in an HTTPS connection."
     pass
 
 
-class MaxRetryError(HTTPError):
-    "Raised when the maximum number of retries is exceeded."
-    pass
+## Leaf Exceptions
 
+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)
 
-class TimeoutError(HTTPError):
-    "Raised when a socket timeout occurs."
-    pass
+        self.url = url
 
 
-class HostChangedError(HTTPError):
+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)
+
+        self.url = url
+        self.retries = retries
+
+
+class TimeoutError(PoolError):
+    "Raised when a socket timeout occurs."
     pass
 
-class EmptyPoolError(HTTPError):
+
+class EmptyPoolError(PoolError):
     "Raised when a pool runs out of connections and no more are allowed."
     pass
diff --git a/requests/packages/urllib3/filepost.py b/requests/packages/urllib3/filepost.py
index 2ffea8b..e1ec8af 100644
--- a/requests/packages/urllib3/filepost.py
+++ b/requests/packages/urllib3/filepost.py
@@ -1,18 +1,21 @@
 # urllib3/filepost.py
-# Copyright 2008-2011 Andrey Petrov and contributors (see CONTRIBUTORS.txt)
+# 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
 
 import codecs
-import mimetools
 import mimetypes
 
 try:
-    from cStringIO import StringIO
+    from mimetools import choose_boundary
 except ImportError:
-    from StringIO import StringIO # pylint: disable-msg=W0404
+    from .packages.mimetools_choose_boundary import choose_boundary
 
+from io import BytesIO
+
+from .packages import six
+from .packages.six import b
 
 writer = codecs.lookup('utf-8')[3]
 
@@ -35,37 +38,37 @@ def encode_multipart_formdata(fields, boundary=None):
         If not specified, then a random boundary will be generated using
         :func:`mimetools.choose_boundary`.
     """
-    body = StringIO()
+    body = BytesIO()
     if boundary is None:
-        boundary = mimetools.choose_boundary()
+        boundary = choose_boundary()
 
-    for fieldname, value in fields.iteritems():
-        body.write('--%s\r\n' % (boundary))
+    for fieldname, value in six.iteritems(fields):
+        body.write(b('--%s\r\n' % (boundary)))
 
         if isinstance(value, tuple):
             filename, data = value
             writer(body).write('Content-Disposition: form-data; name="%s"; '
                                'filename="%s"\r\n' % (fieldname, filename))
-            body.write('Content-Type: %s\r\n\r\n' %
-                       (get_content_type(filename)))
+            body.write(b('Content-Type: %s\r\n\r\n' %
+                       (get_content_type(filename))))
         else:
             data = value
             writer(body).write('Content-Disposition: form-data; name="%s"\r\n'
                                % (fieldname))
-            body.write('Content-Type: text/plain\r\n\r\n')
+            body.write(b'Content-Type: text/plain\r\n\r\n')
 
         if isinstance(data, int):
             data = str(data)  # Backwards compatibility
 
-        if isinstance(data, unicode):
+        if isinstance(data, six.text_type):
             writer(body).write(data)
         else:
             body.write(data)
 
-        body.write('\r\n')
+        body.write(b'\r\n')
 
-    body.write('--%s--\r\n' % (boundary))
+    body.write(b('--%s--\r\n' % (boundary)))
 
-    content_type = 'multipart/form-data; boundary=%s' % boundary
+    content_type = b('multipart/form-data; boundary=%s' % boundary)
 
     return body.getvalue(), content_type
diff --git a/requests/packages/urllib3/packages/__init__.py b/requests/packages/urllib3/packages/__init__.py
new file mode 100644
index 0000000..37e8351
--- /dev/null
+++ b/requests/packages/urllib3/packages/__init__.py
@@ -0,0 +1,4 @@
+from __future__ import absolute_import
+
+from . import ssl_match_hostname
+
diff --git a/requests/packages/urllib3/packages/mimetools_choose_boundary/__init__.py b/requests/packages/urllib3/packages/mimetools_choose_boundary/__init__.py
new file mode 100644
index 0000000..a0109ab
--- /dev/null
+++ b/requests/packages/urllib3/packages/mimetools_choose_boundary/__init__.py
@@ -0,0 +1,47 @@
+"""The function mimetools.choose_boundary() from Python 2.7, which seems to
+have disappeared in Python 3 (although email.generator._make_boundary() might
+work as a replacement?).
+
+Tweaked to use lock from threading rather than thread.
+"""
+import os
+from threading import Lock
+_counter_lock = Lock()
+
+_counter = 0
+def _get_next_counter():
+    global _counter
+    with _counter_lock:
+        _counter += 1
+        return _counter
+
+_prefix = None
+
+def choose_boundary():
+    """Return a string usable as a multipart boundary.
+
+    The string chosen is unique within a single program run, and
+    incorporates the user id (if available), process id (if available),
+    and current time.  So it's very unlikely the returned string appears
+    in message text, but there's no guarantee.
+
+    The boundary contains dots so you have to quote it in the header."""
+
+    global _prefix
+    import time
+    if _prefix is None:
+        import socket
+        try:
+            hostid = socket.gethostbyname(socket.gethostname())
+        except socket.gaierror:
+            hostid = '127.0.0.1'
+        try:
+            uid = repr(os.getuid())
+        except AttributeError:
+            uid = '1'
+        try:
+            pid = repr(os.getpid())
+        except AttributeError:
+            pid = '1'
+        _prefix = hostid + '.' + uid + '.' + pid
+    return "%s.%.3f.%d" % (_prefix, time.time(), _get_next_counter())
diff --git a/requests/packages/urllib3/packages/six.py b/requests/packages/urllib3/packages/six.py
new file mode 100644
index 0000000..a64f6fb
--- /dev/null
+++ b/requests/packages/urllib3/packages/six.py
@@ -0,0 +1,372 @@
+"""Utilities for writing code that runs on Python 2 and 3"""
+
+#Copyright (c) 2010-2011 Benjamin Peterson
+
+#Permission is hereby granted, free of charge, to any person obtaining a copy of
+#this software and associated documentation files (the "Software"), to deal in
+#the Software without restriction, including without limitation the rights to
+#use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+#the Software, and to permit persons to whom the Software is furnished to do so,
+#subject to the following conditions:
+
+#The above copyright notice and this permission notice shall be included in all
+#copies or substantial portions of the Software.
+
+#THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+#IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+#FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+#COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+#IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+#CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+import operator
+import sys
+import types
+
+__author__ = "Benjamin Peterson <benjamin@python.org>"
+__version__ = "1.1.0"
+
+
+# True if we are running on Python 3.
+PY3 = sys.version_info[0] == 3
+
+if PY3:
+    string_types = str,
+    integer_types = int,
+    class_types = type,
+    text_type = str
+    binary_type = bytes
+
+    MAXSIZE = sys.maxsize
+else:
+    string_types = basestring,
+    integer_types = (int, long)
+    class_types = (type, types.ClassType)
+    text_type = unicode
+    binary_type = str
+
+    # It's possible to have sizeof(long) != sizeof(Py_ssize_t).
+    class X(object):
+        def __len__(self):
+            return 1 << 31
+    try:
+        len(X())
+    except OverflowError:
+        # 32-bit
+        MAXSIZE = int((1 << 31) - 1)
+    else:
+        # 64-bit
+        MAXSIZE = int((1 << 63) - 1)
+    del X
+
+
+def _add_doc(func, doc):
+    """Add documentation to a function."""
+    func.__doc__ = doc
+
+
+def _import_module(name):
+    """Import module, returning the module after the last dot."""
+    __import__(name)
+    return sys.modules[name]
+
+
+class _LazyDescr(object):
+
+    def __init__(self, name):
+        self.name = name
+
+    def __get__(self, obj, tp):
+        result = self._resolve()
+        setattr(obj, self.name, result)
+        # This is a bit ugly, but it avoids running this again.
+        delattr(tp, self.name)
+        return result
+
+
+class MovedModule(_LazyDescr):
+
+    def __init__(self, name, old, new=None):
+        super(MovedModule, self).__init__(name)
+        if PY3:
+            if new is None:
+                new = name
+            self.mod = new
+        else:
+            self.mod = old
+
+    def _resolve(self):
+        return _import_module(self.mod)
+
+
+class MovedAttribute(_LazyDescr):
+
+    def __init__(self, name, old_mod, new_mod, old_attr=None, new_attr=None):
+        super(MovedAttribute, self).__init__(name)
+        if PY3:
+            if new_mod is None:
+                new_mod = name
+            self.mod = new_mod
+            if new_attr is None:
+                if old_attr is None:
+                    new_attr = name
+                else:
+                    new_attr = old_attr
+            self.attr = new_attr
+        else:
+            self.mod = old_mod
+            if old_attr is None:
+                old_attr = name
+            self.attr = old_attr
+
+    def _resolve(self):
+        module = _import_module(self.mod)
+        return getattr(module, self.attr)
+
+
+
+class _MovedItems(types.ModuleType):
+    """Lazy loading of moved objects"""
+
+
+_moved_attributes = [
+    MovedAttribute("cStringIO", "cStringIO", "io", "StringIO"),
+    MovedAttribute("filter", "itertools", "builtins", "ifilter", "filter"),
+    MovedAttribute("map", "itertools", "builtins", "imap", "map"),
+    MovedAttribute("reload_module", "__builtin__", "imp", "reload"),
+    MovedAttribute("reduce", "__builtin__", "functools"),
+    MovedAttribute("StringIO", "StringIO", "io"),
+    MovedAttribute("xrange", "__builtin__", "builtins", "xrange", "range"),
+    MovedAttribute("zip", "itertools", "builtins", "izip", "zip"),
+
+    MovedModule("builtins", "__builtin__"),
+    MovedModule("configparser", "ConfigParser"),
+    MovedModule("copyreg", "copy_reg"),
+    MovedModule("http_cookiejar", "cookielib", "http.cookiejar"),
+    MovedModule("http_cookies", "Cookie", "http.cookies"),
+    MovedModule("html_entities", "htmlentitydefs", "html.entities"),
+    MovedModule("html_parser", "HTMLParser", "html.parser"),
+    MovedModule("http_client", "httplib", "http.client"),
+    MovedModule("BaseHTTPServer", "BaseHTTPServer", "http.server"),
+    MovedModule("CGIHTTPServer", "CGIHTTPServer", "http.server"),
+    MovedModule("SimpleHTTPServer", "SimpleHTTPServer", "http.server"),
+    MovedModule("cPickle", "cPickle", "pickle"),
+    MovedModule("queue", "Queue"),
+    MovedModule("reprlib", "repr"),
+    MovedModule("socketserver", "SocketServer"),
+    MovedModule("tkinter", "Tkinter"),
+    MovedModule("tkinter_dialog", "Dialog", "tkinter.dialog"),
+    MovedModule("tkinter_filedialog", "FileDialog", "tkinter.filedialog"),
+    MovedModule("tkinter_scrolledtext", "ScrolledText", "tkinter.scrolledtext"),
+    MovedModule("tkinter_simpledialog", "SimpleDialog", "tkinter.simpledialog"),
+    MovedModule("tkinter_tix", "Tix", "tkinter.tix"),
+    MovedModule("tkinter_constants", "Tkconstants", "tkinter.constants"),
+    MovedModule("tkinter_dnd", "Tkdnd", "tkinter.dnd"),
+    MovedModule("tkinter_colorchooser", "tkColorChooser",
+                "tkinter.colorchooser"),
+    MovedModule("tkinter_commondialog", "tkCommonDialog",
+                "tkinter.commondialog"),
+    MovedModule("tkinter_tkfiledialog", "tkFileDialog", "tkinter.filedialog"),
+    MovedModule("tkinter_font", "tkFont", "tkinter.font"),
+    MovedModule("tkinter_messagebox", "tkMessageBox", "tkinter.messagebox"),
+    MovedModule("tkinter_tksimpledialog", "tkSimpleDialog",
+                "tkinter.simpledialog"),
+    MovedModule("urllib_robotparser", "robotparser", "urllib.robotparser"),
+    MovedModule("winreg", "_winreg"),
+]
+for attr in _moved_attributes:
+    setattr(_MovedItems, attr.name, attr)
+del attr
+
+moves = sys.modules["six.moves"] = _MovedItems("moves")
+
+
+def add_move(move):
+    """Add an item to six.moves."""
+    setattr(_MovedItems, move.name, move)
+
+
+def remove_move(name):
+    """Remove item from six.moves."""
+    try:
+        delattr(_MovedItems, name)
+    except AttributeError:
+        try:
+            del moves.__dict__[name]
+        except KeyError:
+            raise AttributeError("no such move, %r" % (name,))
+
+
+if PY3:
+    _meth_func = "__func__"
+    _meth_self = "__self__"
+
+    _func_code = "__code__"
+    _func_defaults = "__defaults__"
+
+    _iterkeys = "keys"
+    _itervalues = "values"
+    _iteritems = "items"
+else:
+    _meth_func = "im_func"
+    _meth_self = "im_self"
+
+    _func_code = "func_code"
+    _func_defaults = "func_defaults"
+
+    _iterkeys = "iterkeys"
+    _itervalues = "itervalues"
+    _iteritems = "iteritems"
+
+
+if PY3:
+    def get_unbound_function(unbound):
+        return unbound
+
+
+    advance_iterator = next
+
+    def callable(obj):
+        return any("__call__" in klass.__dict__ for klass in type(obj).__mro__)
+else:
+    def get_unbound_function(unbound):
+        return unbound.im_func
+
+
+    def advance_iterator(it):
+        return it.next()
+
+    callable = callable
+_add_doc(get_unbound_function,
+         """Get the function out of a possibly unbound function""")
+
+
+get_method_function = operator.attrgetter(_meth_func)
+get_method_self = operator.attrgetter(_meth_self)
+get_function_code = operator.attrgetter(_func_code)
+get_function_defaults = operator.attrgetter(_func_defaults)
+
+
+def iterkeys(d):
+    """Return an iterator over the keys of a dictionary."""
+    return getattr(d, _iterkeys)()
+
+def itervalues(d):
+    """Return an iterator over the values of a dictionary."""
+    return getattr(d, _itervalues)()
+
+def iteritems(d):
+    """Return an iterator over the (key, value) pairs of a dictionary."""
+    return getattr(d, _iteritems)()
+
+
+if PY3:
+    def b(s):
+        return s.encode("latin-1")
+    def u(s):
+        return s
+    if sys.version_info[1] <= 1:
+        def int2byte(i):
+            return bytes((i,))
+    else:
+        # This is about 2x faster than the implementation above on 3.2+
+        int2byte = operator.methodcaller("to_bytes", 1, "big")
+    import io
+    StringIO = io.StringIO
+    BytesIO = io.BytesIO
+else:
+    def b(s):
+        return s
+    def u(s):
+        return unicode(s, "unicode_escape")
+    int2byte = chr
+    import StringIO
+    StringIO = BytesIO = StringIO.StringIO
+_add_doc(b, """Byte literal""")
+_add_doc(u, """Text literal""")
+
+
+if PY3:
+    import builtins
+    exec_ = getattr(builtins, "exec")
+
+
+    def reraise(tp, value, tb=None):
+        if value.__traceback__ is not tb:
+            raise value.with_traceback(tb)
+        raise value
+
+
+    print_ = getattr(builtins, "print")
+    del builtins
+
+else:
+    def exec_(code, globs=None, locs=None):
+        """Execute code in a namespace."""
+        if globs is None:
+            frame = sys._getframe(1)
+            globs = frame.f_globals
+            if locs is None:
+                locs = frame.f_locals
+            del frame
+        elif locs is None:
+            locs = globs
+        exec("""exec code in globs, locs""")
+
+
+    exec_("""def reraise(tp, value, tb=None):
+    raise tp, value, tb
+""")
+
+
+    def print_(*args, **kwargs):
+        """The new-style print function."""
+        fp = kwargs.pop("file", sys.stdout)
+        if fp is None:
+            return
+        def write(data):
+            if not isinstance(data, basestring):
+                data = str(data)
+            fp.write(data)
+        want_unicode = False
+        sep = kwargs.pop("sep", None)
+        if sep is not None:
+            if isinstance(sep, unicode):
+                want_unicode = True
+            elif not isinstance(sep, str):
+                raise TypeError("sep must be None or a string")
+        end = kwargs.pop("end", None)
+        if end is not None:
+            if isinstance(end, unicode):
+                want_unicode = True
+            elif not isinstance(end, str):
+                raise TypeError("end must be None or a string")
+        if kwargs:
+            raise TypeError("invalid keyword arguments to print()")
+        if not want_unicode:
+            for arg in args:
+                if isinstance(arg, unicode):
+                    want_unicode = True
+                    break
+        if want_unicode:
+            newline = unicode("\n")
+            space = unicode(" ")
+        else:
+            newline = "\n"
+            space = " "
+        if sep is None:
+            sep = space
+        if end is None:
+            end = newline
+        for i, arg in enumerate(args):
+            if i:
+                write(sep)
+            write(arg)
+        write(end)
+
+_add_doc(reraise, """Reraise an exception.""")
+
+
+def with_metaclass(meta, base=object):
+    """Create a base class with a metaclass."""
+    return meta("NewBase", (base,), {})
diff --git a/requests/packages/urllib3/packages/ssl_match_hostname/__init__.py b/requests/packages/urllib3/packages/ssl_match_hostname/__init__.py
new file mode 100644
index 0000000..9560b04
--- /dev/null
+++ b/requests/packages/urllib3/packages/ssl_match_hostname/__init__.py
@@ -0,0 +1,61 @@
+"""The match_hostname() function from Python 3.2, essential when using SSL."""
+
+import re
+
+__version__ = '3.2.2'
+
+class CertificateError(ValueError):
+    pass
+
+def _dnsname_to_pat(dn):
+    pats = []
+    for frag in dn.split(r'.'):
+        if frag == '*':
+            # When '*' is a fragment by itself, it matches a non-empty dotless
+            # fragment.
+            pats.append('[^.]+')
+        else:
+            # Otherwise, '*' matches any dotless fragment.
+            frag = re.escape(frag)
+            pats.append(frag.replace(r'\*', '[^.]*'))
+    return re.compile(r'\A' + r'\.'.join(pats) + r'\Z', re.IGNORECASE)
+
+def match_hostname(cert, hostname):
+    """Verify that *cert* (in decoded format as returned by
+    SSLSocket.getpeercert()) matches the *hostname*.  RFC 2818 rules
+    are mostly followed, but IP addresses are not accepted for *hostname*.
+
+    CertificateError is raised on failure. On success, the function
+    returns nothing.
+    """
+    if not cert:
+        raise ValueError("empty or no certificate")
+    dnsnames = []
+    san = cert.get('subjectAltName', ())
+    for key, value in san:
+        if key == 'DNS':
+            if _dnsname_to_pat(value).match(hostname):
+                return
+            dnsnames.append(value)
+    if not dnsnames:
+        # The subject is only checked when there is no dNSName entry
+        # in subjectAltName
+        for sub in cert.get('subject', ()):
+            for key, value in sub:
+                # XXX according to RFC 2818, the most specific Common Name
+                # must be used.
+                if key == 'commonName':
+                    if _dnsname_to_pat(value).match(hostname):
+                        return
+                    dnsnames.append(value)
+    if len(dnsnames) > 1:
+        raise CertificateError("hostname %r "
+            "doesn't match either of %s"
+            % (hostname, ', '.join(map(repr, dnsnames))))
+    elif len(dnsnames) == 1:
+        raise CertificateError("hostname %r "
+            "doesn't match %r"
+            % (hostname, dnsnames[0]))
+    else:
+        raise CertificateError("no appropriate commonName or "
+            "subjectAltName fields were found")
diff --git a/requests/packages/urllib3/poolmanager.py b/requests/packages/urllib3/poolmanager.py
index c08e327..f194b2e 100644
--- a/requests/packages/urllib3/poolmanager.py
+++ b/requests/packages/urllib3/poolmanager.py
@@ -1,32 +1,27 @@
 # urllib3/poolmanager.py
-# Copyright 2008-2011 Andrey Petrov and contributors (see CONTRIBUTORS.txt)
+# 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
 
+import logging
+
 from ._collections import RecentlyUsedContainer
-from .connectionpool import (
-    HTTPConnectionPool, HTTPSConnectionPool,
-    get_host, connection_from_url,
-)
+from .connectionpool import HTTPConnectionPool, HTTPSConnectionPool
+from .connectionpool import get_host, connection_from_url, port_by_scheme
+from .exceptions import HostChangedError
+from .request import RequestMethods
 
 
 __all__ = ['PoolManager', 'ProxyManager', 'proxy_from_url']
 
 
-from .request import RequestMethods
-from .connectionpool import HTTPConnectionPool, HTTPSConnectionPool
-
-
 pool_classes_by_scheme = {
     'http': HTTPConnectionPool,
     'https': HTTPSConnectionPool,
 }
 
-port_by_scheme = {
-    'http': 80,
-    'https': 443,
-}
+log = logging.getLogger(__name__)
 
 
 class PoolManager(RequestMethods):
@@ -105,7 +100,12 @@ class PoolManager(RequestMethods):
         :class:`urllib3.connectionpool.ConnectionPool` can be chosen for it.
         """
         conn = self.connection_from_url(url)
-        return conn.urlopen(method, url, assert_same_host=False, **kw)
+        try:
+            return conn.urlopen(method, url, **kw)
+
+        except HostChangedError as e:
+            kw['retries'] = e.retries # Persist retries countdown
+            return self.urlopen(method, e.url, **kw)
 
 
 class ProxyManager(RequestMethods):
diff --git a/requests/packages/urllib3/request.py b/requests/packages/urllib3/request.py
index a7e0b5d..5ea26a0 100644
--- a/requests/packages/urllib3/request.py
+++ b/requests/packages/urllib3/request.py
@@ -1,11 +1,13 @@
 # urllib3/request.py
-# Copyright 2008-2011 Andrey Petrov and contributors (see CONTRIBUTORS.txt)
+# 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 urllib import urlencode
+try:
+    from urllib.parse import urlencode
+except ImportError:
+    from urllib import urlencode
 
 from .filepost import encode_multipart_formdata
 
diff --git a/requests/packages/urllib3/response.py b/requests/packages/urllib3/response.py
index 4cd15c1..e023970 100644
--- a/requests/packages/urllib3/response.py
+++ b/requests/packages/urllib3/response.py
@@ -1,5 +1,5 @@
 # urllib3/response.py
-# Copyright 2008-2011 Andrey Petrov and contributors (see CONTRIBUTORS.txt)
+# 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
@@ -8,21 +8,22 @@ import gzip
 import logging
 import zlib
 
+from io import BytesIO
 
-try:
-    from cStringIO import StringIO
-except ImportError:
-    from StringIO import StringIO # pylint: disable-msg=W0404
+from .exceptions import HTTPError
 
 
-from .exceptions import HTTPError
+try:
+    basestring = basestring
+except NameError: # Python 3
+    basestring = (str, bytes)
 
 
 log = logging.getLogger(__name__)
 
 
 def decode_gzip(data):
-    gzipper = gzip.GzipFile(fileobj=StringIO(data))
+    gzipper = gzip.GzipFile(fileobj=BytesIO(data))
     return gzipper.read()
 
 
@@ -71,7 +72,7 @@ class HTTPResponse(object):
         self.strict = strict
 
         self._decode_content = decode_content
-        self._body = None
+        self._body = body if body and isinstance(body, basestring) else None
         self._fp = None
         self._original_response = original_response
 
@@ -81,9 +82,22 @@ class HTTPResponse(object):
         if hasattr(body, 'read'):
             self._fp = body
 
-        if preload_content:
+        if preload_content and not self._body:
             self._body = self.read(decode_content=decode_content)
 
+    def get_redirect_location(self):
+        """
+        Should we redirect and where to?
+
+        :returns: Truthy redirect location string if we got a redirect status
+            code and valid location. ``None`` if redirect status and no
+            location. ``False`` if not a redirect status code.
+        """
+        if self.status in [301, 302, 303, 307]:
+            return self.headers.get('location')
+
+        return False
+
     def release_conn(self):
         if not self._pool or not self._connection:
             return
@@ -98,10 +112,9 @@ class HTTPResponse(object):
             return self._body
 
         if self._fp:
-            return self.read(decode_content=self._decode_content,
-                             cache_content=True)
+            return self.read(cache_content=True)
 
-    def read(self, amt=None, decode_content=True, cache_content=False):
+    def read(self, amt=None, decode_content=None, cache_content=False):
         """
         Similar to :meth:`httplib.HTTPResponse.read`, but with two additional
         parameters: ``decode_content`` and ``cache_content``.
@@ -124,22 +137,22 @@ class HTTPResponse(object):
         """
         content_encoding = self.headers.get('content-encoding')
         decoder = self.CONTENT_DECODERS.get(content_encoding)
+        if decode_content is None:
+            decode_content = self._decode_content
 
-        data = self._fp and self._fp.read(amt)
+        if self._fp is None:
+            return
 
         try:
-
-            if amt:
-                return data
-
-            if not decode_content or not decoder:
-                if cache_content:
-                    self._body = data
-
-                return data
+            if amt is None:
+                # cStringIO doesn't like amt=None
+                data = self._fp.read()
+            else:
+                return self._fp.read(amt)
 
             try:
-                data = decoder(data)
+                if decode_content and decoder:
+                    data = decoder(data)
             except IOError:
                 raise HTTPError("Received response with content-encoding: %s, but "
                                 "failed to decode it." % content_encoding)
@@ -150,12 +163,11 @@ class HTTPResponse(object):
             return data
 
         finally:
-
             if self._original_response and self._original_response.isclosed():
                 self.release_conn()
 
-    @staticmethod
-    def from_httplib(r, **response_kw):
+    @classmethod
+    def from_httplib(ResponseCls, r, **response_kw):
         """
         Given an :class:`httplib.HTTPResponse` instance ``r``, return a
         corresponding :class:`urllib3.response.HTTPResponse` object.
@@ -164,14 +176,17 @@ class HTTPResponse(object):
         with ``original_response=r``.
         """
 
-        return HTTPResponse(body=r,
-                            headers=dict(r.getheaders()),
-                            status=r.status,
-                            version=r.version,
-                            reason=r.reason,
-                            strict=r.strict,
-                            original_response=r,
-                            **response_kw)
+        # 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()),
+                           status=r.status,
+                           version=r.version,
+                           reason=r.reason,
+                           strict=strict,
+                           original_response=r,
+                           **response_kw)
 
     # Backwards-compatibility methods for httplib.HTTPResponse
     def getheaders(self):