Get a :class:`urllib3.connectionpool.ConnectionPool` based on the provided pool key. ``pool_key`` should be a namedtuple that only c

Consume a socket until after the HTTP request is sent.

Helper for quickly disabling all urllib3 warnings.

.. deprecated:: 2.0.0 Renamed to :func:`format_multipart_header_param`. Will be removed in urllib3 v2.1.0.

.. deprecated:: 2.0.0 Renamed to :func:`format_multipart_header_param`. Will be removed in urllib3 v2.1.0.

Helper function to format and quote a single header parameter using the strategy defined in RFC 2231. Particularly useful for header par

Get the value of Retry-After in seconds.

Handle the SOCKS4 handshake. Returns a generator object that allows us to break the handshake into steps so that the test code can inter

Borrowed wholesale from the Python Cryptography Project. It turns out that we can't just safely call `idna.encode`: it can explode fo

Returns True if the connection is dropped and should be closed. :param conn: :class:`urllib3.connection.HTTPConnection` object.

Checks whether the request of a response has been a HEAD-request. :param http.client.HTTPResponse response: Response to check if the

Iterate over fields. Supports list of (k, v) tuples and dicts, and lists of :class:`~urllib3.fields.RequestField`.

Shortcuts for generating request headers. :param keep_alive: If ``True``, adds 'connection: keep-alive' header. :param accept_e

Python's httpclient uses makefile and buffered io when reading HTTP messages and we need to support it. This is unfortunatel

Run mypy.

Alternative to the common request method, which sends the body with chunked encoding and not as one block

If a position is provided, move file to that point. Otherwise, we'll attempt to record a position for future use.

Socket handler for the proxy. Terminates the first TLS layer and tunnels any bytes needed for client <-> server communicatin.

Switch to a locally-known timezone specified by `tzname`. On exit, restore the previous timezone. If `tzname` is `None`, do nothing.

Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to spe

Waits for writing to be available on a given socket. Returns True if the socket is readable, or False if the timeout expired.

content: collection of str, each str is a chunk in response