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Create a pool key of type ``key_class`` for a request.
According to RFC 3986, both the scheme and host are case-insensitive.
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key for an HTTPS request. If you wish to change this behaviour, provide
alternate callables to ``key_fn_by_scheme``.
:param key_class:
The class to use when constructing the key. This should be a namedtuple
with the ``scheme`` and ``host`` keys at a minimum.
:param request_context:
A dictionary-like object that contain the context for a request.
It should contain a key for each field in the :class:`HTTPPoolKey`
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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 headers:
Headers to include with all requests, unless other headers are given
explicitly.
:param \**connection_pool_kw:
Additional parameters are used to create fresh
:class:`urllib3.connectionpool.ConnectionPool` instances.
Example::
>>> manager = PoolManager(num_pools=2)
>>> r = manager.request('GET', 'http://google.com/')
>>> r = manager.request('GET', 'http://google.com/mail')
>>> r = manager.request('GET', 'http://yahoo.com/')
>>> len(manager.pools)
2
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Create a new :class:`ConnectionPool` based on host, port and scheme.
This method is used to actually create the connection pools handed out
by :meth:`connection_from_url` and companion methods. It is intended
to be overridden for customization.
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Empty our store of pools and direct them all to close.
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Get a :class:`ConnectionPool` based on the host, port, and scheme.
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``urllib3.connectionpool.port_by_scheme``.
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Get a :class:`ConnectionPool` based on the request context.
``request_context`` must at least contain the ``scheme`` key and its
value must be a key in ``key_fn_by_scheme`` instance variable.
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Get a :class:`ConnectionPool` based on the provided pool key.
``pool_key`` should be a namedtuple that only contains immutable
objects. At a minimum it must have the ``scheme``, ``host``, and
``port`` fields.
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Similar to :func:`urllib3.connectionpool.connection_from_url` but
doesn't pass any additional parameters to the
:class:`urllib3.connectionpool.ConnectionPool` constructor.
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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.
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Behaves just like :class:`PoolManager`, but sends all requests through
the defined proxy, using the CONNECT method for HTTPS URLs.
:param proxy_url:
The URL of the proxy to be used.
:param proxy_headers:
A dictionary contaning headers that will be sent to the proxy. In case
of HTTP they are being sent with each request, while in the
HTTPS/CONNECT case they are sent only once. Could be used for proxy
authentication.
Example:
>>> proxy = urllib3.ProxyManager('http://localhost:3128/')
>>> r1 = proxy.request('GET', 'http://google.com/')
>>> r2 = proxy.request('GET', 'http://httpbin.org/')
>>> len(proxy.pools)
1
>>> r3 = proxy.request('GET', 'https://httpbin.org/')
>>> r4 = proxy.request('GET', 'https://twitter.com/')
>>> len(proxy.pools)
3
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Sets headers needed by proxies: specifically, the Accept and Host
headers. Only sets headers not provided by the user.
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c K sk t | � } | j d k rI | j d | j � } | j | | � | d <n t t | � j | | d | | �S( s@ Same as HTTP(S)ConnectionPool.urlopen, ``url`` must be absolute.R& R4 RN ( R R R R4 Rs Rl R RS ( R2 R_ RJ RN RA RK R4 ( ( s7 /usr/lib/python2.7/site-packages/urllib3/poolmanager.pyRS h s
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