Mercurial > repos > jpayne > bioproject_to_srr_2
diff certifi/core.py @ 7:5eb2d5e3bf22
planemo upload for repository https://toolrepo.galaxytrakr.org/view/jpayne/bioproject_to_srr_2/556cac4fb538
author | jpayne |
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date | Sun, 05 May 2024 23:32:17 -0400 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/certifi/core.py Sun May 05 23:32:17 2024 -0400 @@ -0,0 +1,114 @@ +""" +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") + +elif sys.version_info >= (3, 7): + + 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") + +else: + import os + import types + from typing import Union + + Package = Union[types.ModuleType, str] + Resource = Union[str, "os.PathLike"] + + # 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( + package: Package, + resource: Resource, + encoding: str = 'utf-8', + errors: str = 'strict' + ) -> str: + with open(where(), 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() -> str: + f = os.path.dirname(__file__) + + return os.path.join(f, "cacert.pem") + + def contents() -> str: + return read_text("certifi", "cacert.pem", encoding="ascii")