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proc
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6569
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task
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6569
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root
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opt
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alt
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python311
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lib
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python3.11
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site-packages
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pip
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_vendor
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__init__.py
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""" pip._vendor is for vendoring dependencies of pip to prevent needing pip to depend on something external. Files inside of pip._vendor should be considered immutable and should only be updated to versions from upstream. """ from __future__ import absolute_import import glob import os.path import sys # Downstream redistributors which have debundled our dependencies should also # patch this value to be true. This will trigger the additional patching # to cause things like "six" to be available as pip. DEBUNDLED = False # By default, look in this directory for a bunch of .whl files which we will # add to the beginning of sys.path before attempting to import anything. This # is done to support downstream re-distributors like Debian and Fedora who # wish to create their own Wheels for our dependencies to aid in debundling. WHEEL_DIR = os.path.abspath(os.path.dirname(__file__)) # Define a small helper function to alias our vendored modules to the real ones # if the vendored ones do not exist. This idea of this was taken from # https://github.com/kennethreitz/requests/pull/2567. def vendored(modulename): vendored_name = "{0}.{1}".format(__name__, modulename) try: __import__(modulename, globals(), locals(), level=0) except ImportError: # We can just silently allow import failures to pass here. If we # got to this point it means that ``import pip._vendor.whatever`` # failed and so did ``import whatever``. Since we're importing this # upfront in an attempt to alias imports, not erroring here will # just mean we get a regular import error whenever pip *actually* # tries to import one of these modules to use it, which actually # gives us a better error message than we would have otherwise # gotten. pass else: sys.modules[vendored_name] = sys.modules[modulename] base, head = vendored_name.rsplit(".", 1) setattr(sys.modules[base], head, sys.modules[modulename]) # If we're operating in a debundled setup, then we want to go ahead and trigger # the aliasing of our vendored libraries as well as looking for wheels to add # to our sys.path. This will cause all of this code to be a no-op typically # however downstream redistributors can enable it in a consistent way across # all platforms. if DEBUNDLED: # Actually look inside of WHEEL_DIR to find .whl files and add them to the # front of our sys.path. sys.path[:] = glob.glob(os.path.join(WHEEL_DIR, "*.whl")) + sys.path # Actually alias all of our vendored dependencies. vendored("cachecontrol") vendored("certifi") vendored("colorama") vendored("distlib") vendored("distro") vendored("html5lib") vendored("six") vendored("six.moves") vendored("six.moves.urllib") vendored("six.moves.urllib.parse") vendored("packaging") vendored("packaging.version") vendored("packaging.specifiers") vendored("pep517") vendored("pkg_resources") vendored("platformdirs") vendored("progress") vendored("requests") vendored("requests.exceptions") vendored("requests.packages") vendored("requests.packages.urllib3") vendored("requests.packages.urllib3._collections") vendored("requests.packages.urllib3.connection") vendored("requests.packages.urllib3.connectionpool") vendored("requests.packages.urllib3.contrib") vendored("requests.packages.urllib3.contrib.ntlmpool") vendored("requests.packages.urllib3.contrib.pyopenssl") vendored("requests.packages.urllib3.exceptions") vendored("requests.packages.urllib3.fields") vendored("requests.packages.urllib3.filepost") vendored("requests.packages.urllib3.packages") vendored("requests.packages.urllib3.packages.ordered_dict") vendored("requests.packages.urllib3.packages.six") vendored("requests.packages.urllib3.packages.ssl_match_hostname") vendored("requests.packages.urllib3.packages.ssl_match_hostname." "_implementation") vendored("requests.packages.urllib3.poolmanager") vendored("requests.packages.urllib3.request") vendored("requests.packages.urllib3.response") vendored("requests.packages.urllib3.util") vendored("requests.packages.urllib3.util.connection") vendored("requests.packages.urllib3.util.request") vendored("requests.packages.urllib3.util.response") vendored("requests.packages.urllib3.util.retry") vendored("requests.packages.urllib3.util.ssl_") vendored("requests.packages.urllib3.util.timeout") vendored("requests.packages.urllib3.util.url") vendored("resolvelib") vendored("tenacity") vendored("tomli") vendored("urllib3")