Called when we have set custom validation. We do this in two cases: first, when cert validation is entirely disabled; and second, whe

Build the body for a multipart/form-data request. Will successfully encode files when passed as a dict or a list of tuples. Order is

Percent-encodes a request target so that there are no invalid characters

Returns True if the system can bind an IPv6 address.

Return a dict with the Python implementation and version. Provide both the name and the version of the Python implementation currently runnin

Set initial length value for Response content if available.

Exact matching of IP addresses. RFC 6125 explicitly doesn't define an algorithm for this (section 1.7.2 - "Out of Scope").

Returns True if a given CFTypeRef is a certificate.

Errors when we're fairly sure that the server did not receive the request, so it should be safe to retry.

Returns True if a given CFTypeRef is an identity.

Detects if a key file is encrypted or not.

Errors that occur after the request has been started, so we should assume that the server began processing it.

Load certificates and maybe keys from a number of files. Has the end goal of returning a CFArray containing one SecIdentityRef, and then zero

Given a single file, loads all the trust objects from it into arrays and the keychain. Returns a tuple of lists: the first list is a list

Perform a request on a given urllib connection object taken from our pool. :param conn: a connection from one of

Merge a dictionary of override values for self.connection_pool_kw. This does not modify self.connection_pool_kw and returns a new di

Return a fresh :class:`HTTPConnection`.

Create a new :class:`urllib3.connectionpool.ConnectionPool` based on host, port, scheme, and any additional pool keyword arguments.

Returns content type and parameters from given header :param header: string :return: tuple containing content type and dictionary of

Prepare the ``connection`` for :meth:`urllib3.util.ssl_wrap_socket` and establish the tunnel if proxy is used.

Indicates if the proxy requires the complete destination URL in the request. Normally this is only needed when not using an HTTP CON

Helper cleanup function for when skills are unloaded.

Overridable helper function to format a single header parameter. By default, this calls ``self.header_formatter``. :param na

Helper function to format and quote a single header. Useful for single headers that are composed of multiple items. E.g., 'C