From 568720334aa630ea504b2ce3b8c324f0a557d6e6 Mon Sep 17 00:00:00 2001
From: k clair <kclair@riseup.net>
Date: Tue, 9 Oct 2012 13:14:36 -0700
Subject: add source files from upstream

---
 .../requests/packages/urllib3/poolmanager.py       | 158 +++++++++++++++++++++
 1 file changed, 158 insertions(+)
 create mode 100644 requests-0.14.0/requests/packages/urllib3/poolmanager.py

(limited to 'requests-0.14.0/requests/packages/urllib3/poolmanager.py')

diff --git a/requests-0.14.0/requests/packages/urllib3/poolmanager.py b/requests-0.14.0/requests/packages/urllib3/poolmanager.py
new file mode 100644
index 0000000..8f5b54c
--- /dev/null
+++ b/requests-0.14.0/requests/packages/urllib3/poolmanager.py
@@ -0,0 +1,158 @@
+# urllib3/poolmanager.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
+
+import logging
+
+from ._collections import RecentlyUsedContainer
+from .connectionpool import HTTPConnectionPool, HTTPSConnectionPool
+from .connectionpool import connection_from_url, port_by_scheme
+from .request import RequestMethods
+from .util import parse_url
+
+
+__all__ = ['PoolManager', 'ProxyManager', 'proxy_from_url']
+
+
+pool_classes_by_scheme = {
+    'http': HTTPConnectionPool,
+    'https': HTTPSConnectionPool,
+}
+
+log = logging.getLogger(__name__)
+
+
+class PoolManager(RequestMethods):
+    """
+    Allows for arbitrary requests while transparently keeping track of
+    necessary connection pools for you.
+
+    :param num_pools:
+        Number of connection pools to cache before discarding the least recently
+        used pool.
+
+    :param \**connection_pool_kw:
+        Additional parameters are used to create fresh
+        :class:`urllib3.connectionpool.ConnectionPool` instances.
+
+    Example: ::
+
+        >>> 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(manager.pools)
+        2
+
+    """
+
+    def __init__(self, num_pools=10, **connection_pool_kw):
+        self.connection_pool_kw = connection_pool_kw
+        self.pools = RecentlyUsedContainer(num_pools,
+                                           dispose_func=lambda p: p.close())
+
+    def clear(self):
+        """
+        Empty our store of pools and direct them all to close.
+
+        This will not affect in-flight connections, but they will not be
+        re-used after completion.
+        """
+        self.pools.clear()
+
+    def connection_from_host(self, host, port=None, scheme='http'):
+        """
+        Get a :class:`ConnectionPool` based on the host, port, and scheme.
+
+        If ``port`` isn't given, it will be derived from the ``scheme`` using
+        ``urllib3.connectionpool.port_by_scheme``.
+        """
+        port = port or port_by_scheme.get(scheme, 80)
+
+        pool_key = (scheme, host, port)
+
+        # If the scheme, host, or port doesn't match existing open connections,
+        # open a new ConnectionPool.
+        pool = self.pools.get(pool_key)
+        if pool:
+            return pool
+
+        # Make a fresh ConnectionPool of the desired type
+        pool_cls = pool_classes_by_scheme[scheme]
+        pool = pool_cls(host, port, **self.connection_pool_kw)
+
+        self.pools[pool_key] = pool
+
+        return pool
+
+    def connection_from_url(self, url):
+        """
+        Similar to :func:`urllib3.connectionpool.connection_from_url` but
+        doesn't pass any additional parameters to the
+        :class:`urllib3.connectionpool.ConnectionPool` constructor.
+
+        Additional parameters are taken from the :class:`.PoolManager`
+        constructor.
+        """
+        u = parse_url(url)
+        return self.connection_from_host(u.host, port=u.port, scheme=u.scheme)
+
+    def urlopen(self, method, url, redirect=True, **kw):
+        """
+        Same as :meth:`urllib3.connectionpool.HTTPConnectionPool.urlopen`
+        with custom cross-host redirect logic and only sends the request-uri
+        portion of the ``url``.
+
+        The given ``url`` parameter must be absolute, such that an appropriate
+        :class:`urllib3.connectionpool.ConnectionPool` can be chosen for it.
+        """
+        u = parse_url(url)
+        conn = self.connection_from_host(u.host, port=u.port, scheme=u.scheme)
+
+        kw['assert_same_host'] = False
+        kw['redirect'] = False
+
+        response = conn.urlopen(method, u.request_uri, **kw)
+
+        redirect_location = redirect and response.get_redirect_location()
+        if not redirect_location:
+            return response
+
+        if response.status == 303:
+            method = 'GET'
+
+        log.info("Redirecting %s -> %s" % (url, redirect_location))
+        kw['retries'] = kw.get('retries', 3) - 1 # Persist retries countdown
+        return self.urlopen(method, redirect_location, **kw)
+
+
+class ProxyManager(RequestMethods):
+    """
+    Given a ConnectionPool to a proxy, the ProxyManager's ``urlopen`` method
+    will make requests to any url through the defined proxy.
+    """
+
+    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)
+
+
+def proxy_from_url(url, **pool_kw):
+    proxy_pool = connection_from_url(url, **pool_kw)
+    return ProxyManager(proxy_pool)
-- 
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