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files >> //opt/alt/python311/lib/python3.11/site-packages/pip/_vendor/certifi/core.py
# -*- coding: utf-8 -*- """ certifi.py ~~~~~~~~~~ This module returns the installation location of cacert.pem or its contents. """ import os class _PipPatchedCertificate(Exception): pass try: raise ImportError # force fallback # Return a certificate file on disk for a standalone pip zipapp running in # an isolated build environment to use. Passing --cert to the standalone # pip does not work since requests calls where() unconditionally on import. _PIP_STANDALONE_CERT = os.environ.get("_PIP_STANDALONE_CERT") if _PIP_STANDALONE_CERT: def where(): return _PIP_STANDALONE_CERT raise _PipPatchedCertificate() from importlib.resources import path as get_path, read_text _CACERT_CTX = None _CACERT_PATH = None def where(): # This is slightly terrible, but we want to delay extracting the file # in cases where we're inside of a zipimport situation until someone # actually calls where(), but we don't want to re-extract the file # on every call of where(), so we'll do it once then store it in a # global variable. global _CACERT_CTX global _CACERT_PATH if _CACERT_PATH is None: # This is slightly janky, the importlib.resources API wants you to # manage the cleanup of this file, so it doesn't actually return a # path, it returns a context manager that will give you the path # when you enter it and will do any cleanup when you leave it. In # the common case of not needing a temporary file, it will just # return the file system location and the __exit__() is a no-op. # # We also have to hold onto the actual context manager, because # it will do the cleanup whenever it gets garbage collected, so # we will also store that at the global level as well. _CACERT_CTX = get_path("pip._vendor.certifi", "cacert.pem") _CACERT_PATH = str(_CACERT_CTX.__enter__()) return _CACERT_PATH except _PipPatchedCertificate: pass except ImportError: # This fallback will work for Python versions prior to 3.7 that lack the # importlib.resources module but relies on the existing `where` function # so won't address issues with environments like PyOxidizer that don't set # __file__ on modules. def read_text(_module, _path, encoding="ascii"): with open(where(), "r", encoding=encoding) as data: return data.read() # If we don't have importlib.resources, then we will just do the old logic # of assuming we're on the filesystem and munge the path directly. def where(): return '/etc/pki/tls/certs/ca-bundle.crt' def contents(): return read_text("certifi", "cacert.pem", encoding="ascii")
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