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- """
- certifi.py
- ~~~~~~~~~~
- This module returns the installation location of cacert.pem or its contents.
- """
- import sys
- import atexit
- def exit_cacert_ctx() -> None:
- _CACERT_CTX.__exit__(None, None, None) # type: ignore[union-attr]
- if sys.version_info >= (3, 11):
- from importlib.resources import as_file, files
- _CACERT_CTX = None
- _CACERT_PATH = None
- def where() -> str:
- # 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 = as_file(files("certifi").joinpath("cacert.pem"))
- _CACERT_PATH = str(_CACERT_CTX.__enter__())
- atexit.register(exit_cacert_ctx)
- return _CACERT_PATH
- def contents() -> str:
- return files("certifi").joinpath("cacert.pem").read_text(encoding="ascii")
- else:
- from importlib.resources import path as get_path, read_text
- _CACERT_CTX = None
- _CACERT_PATH = None
- def where() -> str:
- # 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("certifi", "cacert.pem")
- _CACERT_PATH = str(_CACERT_CTX.__enter__())
- atexit.register(exit_cacert_ctx)
- return _CACERT_PATH
- def contents() -> str:
- return read_text("certifi", "cacert.pem", encoding="ascii")
|
