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authorcyfraeviolae <cyfraeviolae>2024-04-03 03:10:44 -0400
committercyfraeviolae <cyfraeviolae>2024-04-03 03:10:44 -0400
commit6d7ba58f880be618ade07f8ea080fe8c4bf8a896 (patch)
treeb1c931051ffcebd2bd9d61d98d6233ffa289bbce /venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol
parent4f884c9abc32990b4061a1bb6997b4b37e58ea0b (diff)
venv
Diffstat (limited to 'venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol')
-rw-r--r--venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/__init__.py28
-rw-r--r--venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/__pycache__/__init__.cpython-311.pycbin0 -> 982 bytes
-rw-r--r--venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/__pycache__/_cmd.cpython-311.pycbin0 -> 3033 bytes
-rw-r--r--venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/__pycache__/adapter.cpython-311.pycbin0 -> 6909 bytes
-rw-r--r--venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/__pycache__/cache.cpython-311.pycbin0 -> 4506 bytes
-rw-r--r--venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/__pycache__/controller.cpython-311.pycbin0 -> 18259 bytes
-rw-r--r--venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/__pycache__/filewrapper.cpython-311.pycbin0 -> 4762 bytes
-rw-r--r--venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/__pycache__/heuristics.cpython-311.pycbin0 -> 7565 bytes
-rw-r--r--venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/__pycache__/serialize.cpython-311.pycbin0 -> 7041 bytes
-rw-r--r--venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/__pycache__/wrapper.cpython-311.pycbin0 -> 1874 bytes
-rw-r--r--venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/_cmd.py70
-rw-r--r--venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/adapter.py161
-rw-r--r--venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/cache.py74
-rw-r--r--venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/caches/__init__.py8
-rw-r--r--venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/caches/__pycache__/__init__.cpython-311.pycbin0 -> 483 bytes
-rw-r--r--venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/caches/__pycache__/file_cache.cpython-311.pycbin0 -> 8989 bytes
-rw-r--r--venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/caches/__pycache__/redis_cache.cpython-311.pycbin0 -> 3090 bytes
-rw-r--r--venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/caches/file_cache.py181
-rw-r--r--venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/caches/redis_cache.py48
-rw-r--r--venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/controller.py494
-rw-r--r--venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/filewrapper.py119
-rw-r--r--venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/heuristics.py154
-rw-r--r--venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/py.typed0
-rw-r--r--venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/serialize.py206
-rw-r--r--venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/wrapper.py43
25 files changed, 1586 insertions, 0 deletions
diff --git a/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/__init__.py b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/__init__.py
new file mode 100644
index 0000000..4d20bc9
--- /dev/null
+++ b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/__init__.py
@@ -0,0 +1,28 @@
+# SPDX-FileCopyrightText: 2015 Eric Larson
+#
+# SPDX-License-Identifier: Apache-2.0
+
+"""CacheControl import Interface.
+
+Make it easy to import from cachecontrol without long namespaces.
+"""
+__author__ = "Eric Larson"
+__email__ = "eric@ionrock.org"
+__version__ = "0.13.1"
+
+from pip._vendor.cachecontrol.adapter import CacheControlAdapter
+from pip._vendor.cachecontrol.controller import CacheController
+from pip._vendor.cachecontrol.wrapper import CacheControl
+
+__all__ = [
+ "__author__",
+ "__email__",
+ "__version__",
+ "CacheControlAdapter",
+ "CacheController",
+ "CacheControl",
+]
+
+import logging
+
+logging.getLogger(__name__).addHandler(logging.NullHandler())
diff --git a/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/__pycache__/__init__.cpython-311.pyc b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/__pycache__/__init__.cpython-311.pyc
new file mode 100644
index 0000000..99b68a3
--- /dev/null
+++ b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/__pycache__/__init__.cpython-311.pyc
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diff --git a/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/__pycache__/_cmd.cpython-311.pyc b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/__pycache__/_cmd.cpython-311.pyc
new file mode 100644
index 0000000..b318c23
--- /dev/null
+++ b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/__pycache__/_cmd.cpython-311.pyc
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diff --git a/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/__pycache__/adapter.cpython-311.pyc b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/__pycache__/adapter.cpython-311.pyc
new file mode 100644
index 0000000..9e5bb0b
--- /dev/null
+++ b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/__pycache__/adapter.cpython-311.pyc
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diff --git a/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/__pycache__/cache.cpython-311.pyc b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/__pycache__/cache.cpython-311.pyc
new file mode 100644
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+++ b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/__pycache__/cache.cpython-311.pyc
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diff --git a/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/__pycache__/controller.cpython-311.pyc b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/__pycache__/controller.cpython-311.pyc
new file mode 100644
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diff --git a/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/__pycache__/filewrapper.cpython-311.pyc b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/__pycache__/filewrapper.cpython-311.pyc
new file mode 100644
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+++ b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/__pycache__/filewrapper.cpython-311.pyc
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diff --git a/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/__pycache__/heuristics.cpython-311.pyc b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/__pycache__/heuristics.cpython-311.pyc
new file mode 100644
index 0000000..2ab03db
--- /dev/null
+++ b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/__pycache__/heuristics.cpython-311.pyc
Binary files differ
diff --git a/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/__pycache__/serialize.cpython-311.pyc b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/__pycache__/serialize.cpython-311.pyc
new file mode 100644
index 0000000..5a39fed
--- /dev/null
+++ b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/__pycache__/serialize.cpython-311.pyc
Binary files differ
diff --git a/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/__pycache__/wrapper.cpython-311.pyc b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/__pycache__/wrapper.cpython-311.pyc
new file mode 100644
index 0000000..a36857b
--- /dev/null
+++ b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/__pycache__/wrapper.cpython-311.pyc
Binary files differ
diff --git a/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/_cmd.py b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/_cmd.py
new file mode 100644
index 0000000..2c84208
--- /dev/null
+++ b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/_cmd.py
@@ -0,0 +1,70 @@
+# SPDX-FileCopyrightText: 2015 Eric Larson
+#
+# SPDX-License-Identifier: Apache-2.0
+from __future__ import annotations
+
+import logging
+from argparse import ArgumentParser
+from typing import TYPE_CHECKING
+
+from pip._vendor import requests
+
+from pip._vendor.cachecontrol.adapter import CacheControlAdapter
+from pip._vendor.cachecontrol.cache import DictCache
+from pip._vendor.cachecontrol.controller import logger
+
+if TYPE_CHECKING:
+ from argparse import Namespace
+
+ from pip._vendor.cachecontrol.controller import CacheController
+
+
+def setup_logging() -> None:
+ logger.setLevel(logging.DEBUG)
+ handler = logging.StreamHandler()
+ logger.addHandler(handler)
+
+
+def get_session() -> requests.Session:
+ adapter = CacheControlAdapter(
+ DictCache(), cache_etags=True, serializer=None, heuristic=None
+ )
+ sess = requests.Session()
+ sess.mount("http://", adapter)
+ sess.mount("https://", adapter)
+
+ sess.cache_controller = adapter.controller # type: ignore[attr-defined]
+ return sess
+
+
+def get_args() -> Namespace:
+ parser = ArgumentParser()
+ parser.add_argument("url", help="The URL to try and cache")
+ return parser.parse_args()
+
+
+def main() -> None:
+ args = get_args()
+ sess = get_session()
+
+ # Make a request to get a response
+ resp = sess.get(args.url)
+
+ # Turn on logging
+ setup_logging()
+
+ # try setting the cache
+ cache_controller: CacheController = (
+ sess.cache_controller # type: ignore[attr-defined]
+ )
+ cache_controller.cache_response(resp.request, resp.raw)
+
+ # Now try to get it
+ if cache_controller.cached_request(resp.request):
+ print("Cached!")
+ else:
+ print("Not cached :(")
+
+
+if __name__ == "__main__":
+ main()
diff --git a/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/adapter.py b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/adapter.py
new file mode 100644
index 0000000..3e83e30
--- /dev/null
+++ b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/adapter.py
@@ -0,0 +1,161 @@
+# SPDX-FileCopyrightText: 2015 Eric Larson
+#
+# SPDX-License-Identifier: Apache-2.0
+from __future__ import annotations
+
+import functools
+import types
+import zlib
+from typing import TYPE_CHECKING, Any, Collection, Mapping
+
+from pip._vendor.requests.adapters import HTTPAdapter
+
+from pip._vendor.cachecontrol.cache import DictCache
+from pip._vendor.cachecontrol.controller import PERMANENT_REDIRECT_STATUSES, CacheController
+from pip._vendor.cachecontrol.filewrapper import CallbackFileWrapper
+
+if TYPE_CHECKING:
+ from pip._vendor.requests import PreparedRequest, Response
+ from pip._vendor.urllib3 import HTTPResponse
+
+ from pip._vendor.cachecontrol.cache import BaseCache
+ from pip._vendor.cachecontrol.heuristics import BaseHeuristic
+ from pip._vendor.cachecontrol.serialize import Serializer
+
+
+class CacheControlAdapter(HTTPAdapter):
+ invalidating_methods = {"PUT", "PATCH", "DELETE"}
+
+ def __init__(
+ self,
+ cache: BaseCache | None = None,
+ cache_etags: bool = True,
+ controller_class: type[CacheController] | None = None,
+ serializer: Serializer | None = None,
+ heuristic: BaseHeuristic | None = None,
+ cacheable_methods: Collection[str] | None = None,
+ *args: Any,
+ **kw: Any,
+ ) -> None:
+ super().__init__(*args, **kw)
+ self.cache = DictCache() if cache is None else cache
+ self.heuristic = heuristic
+ self.cacheable_methods = cacheable_methods or ("GET",)
+
+ controller_factory = controller_class or CacheController
+ self.controller = controller_factory(
+ self.cache, cache_etags=cache_etags, serializer=serializer
+ )
+
+ def send(
+ self,
+ request: PreparedRequest,
+ stream: bool = False,
+ timeout: None | float | tuple[float, float] | tuple[float, None] = None,
+ verify: bool | str = True,
+ cert: (None | bytes | str | tuple[bytes | str, bytes | str]) = None,
+ proxies: Mapping[str, str] | None = None,
+ cacheable_methods: Collection[str] | None = None,
+ ) -> Response:
+ """
+ Send a request. Use the request information to see if it
+ exists in the cache and cache the response if we need to and can.
+ """
+ cacheable = cacheable_methods or self.cacheable_methods
+ if request.method in cacheable:
+ try:
+ cached_response = self.controller.cached_request(request)
+ except zlib.error:
+ cached_response = None
+ if cached_response:
+ return self.build_response(request, cached_response, from_cache=True)
+
+ # check for etags and add headers if appropriate
+ request.headers.update(self.controller.conditional_headers(request))
+
+ resp = super().send(request, stream, timeout, verify, cert, proxies)
+
+ return resp
+
+ def build_response(
+ self,
+ request: PreparedRequest,
+ response: HTTPResponse,
+ from_cache: bool = False,
+ cacheable_methods: Collection[str] | None = None,
+ ) -> Response:
+ """
+ Build a response by making a request or using the cache.
+
+ This will end up calling send and returning a potentially
+ cached response
+ """
+ cacheable = cacheable_methods or self.cacheable_methods
+ if not from_cache and request.method in cacheable:
+ # Check for any heuristics that might update headers
+ # before trying to cache.
+ if self.heuristic:
+ response = self.heuristic.apply(response)
+
+ # apply any expiration heuristics
+ if response.status == 304:
+ # We must have sent an ETag request. This could mean
+ # that we've been expired already or that we simply
+ # have an etag. In either case, we want to try and
+ # update the cache if that is the case.
+ cached_response = self.controller.update_cached_response(
+ request, response
+ )
+
+ if cached_response is not response:
+ from_cache = True
+
+ # We are done with the server response, read a
+ # possible response body (compliant servers will
+ # not return one, but we cannot be 100% sure) and
+ # release the connection back to the pool.
+ response.read(decode_content=False)
+ response.release_conn()
+
+ response = cached_response
+
+ # We always cache the 301 responses
+ elif int(response.status) in PERMANENT_REDIRECT_STATUSES:
+ self.controller.cache_response(request, response)
+ else:
+ # Wrap the response file with a wrapper that will cache the
+ # response when the stream has been consumed.
+ response._fp = CallbackFileWrapper( # type: ignore[attr-defined]
+ response._fp, # type: ignore[attr-defined]
+ functools.partial(
+ self.controller.cache_response, request, response
+ ),
+ )
+ if response.chunked:
+ super_update_chunk_length = response._update_chunk_length # type: ignore[attr-defined]
+
+ def _update_chunk_length(self: HTTPResponse) -> None:
+ super_update_chunk_length()
+ if self.chunk_left == 0:
+ self._fp._close() # type: ignore[attr-defined]
+
+ response._update_chunk_length = types.MethodType( # type: ignore[attr-defined]
+ _update_chunk_length, response
+ )
+
+ resp: Response = super().build_response(request, response) # type: ignore[no-untyped-call]
+
+ # See if we should invalidate the cache.
+ if request.method in self.invalidating_methods and resp.ok:
+ assert request.url is not None
+ cache_url = self.controller.cache_url(request.url)
+ self.cache.delete(cache_url)
+
+ # Give the request a from_cache attr to let people use it
+ resp.from_cache = from_cache # type: ignore[attr-defined]
+
+ return resp
+
+ def close(self) -> None:
+ self.cache.close()
+ super().close() # type: ignore[no-untyped-call]
diff --git a/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/cache.py b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/cache.py
new file mode 100644
index 0000000..3293b00
--- /dev/null
+++ b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/cache.py
@@ -0,0 +1,74 @@
+# SPDX-FileCopyrightText: 2015 Eric Larson
+#
+# SPDX-License-Identifier: Apache-2.0
+
+"""
+The cache object API for implementing caches. The default is a thread
+safe in-memory dictionary.
+"""
+from __future__ import annotations
+
+from threading import Lock
+from typing import IO, TYPE_CHECKING, MutableMapping
+
+if TYPE_CHECKING:
+ from datetime import datetime
+
+
+class BaseCache:
+ def get(self, key: str) -> bytes | None:
+ raise NotImplementedError()
+
+ def set(
+ self, key: str, value: bytes, expires: int | datetime | None = None
+ ) -> None:
+ raise NotImplementedError()
+
+ def delete(self, key: str) -> None:
+ raise NotImplementedError()
+
+ def close(self) -> None:
+ pass
+
+
+class DictCache(BaseCache):
+ def __init__(self, init_dict: MutableMapping[str, bytes] | None = None) -> None:
+ self.lock = Lock()
+ self.data = init_dict or {}
+
+ def get(self, key: str) -> bytes | None:
+ return self.data.get(key, None)
+
+ def set(
+ self, key: str, value: bytes, expires: int | datetime | None = None
+ ) -> None:
+ with self.lock:
+ self.data.update({key: value})
+
+ def delete(self, key: str) -> None:
+ with self.lock:
+ if key in self.data:
+ self.data.pop(key)
+
+
+class SeparateBodyBaseCache(BaseCache):
+ """
+ In this variant, the body is not stored mixed in with the metadata, but is
+ passed in (as a bytes-like object) in a separate call to ``set_body()``.
+
+ That is, the expected interaction pattern is::
+
+ cache.set(key, serialized_metadata)
+ cache.set_body(key)
+
+ Similarly, the body should be loaded separately via ``get_body()``.
+ """
+
+ def set_body(self, key: str, body: bytes) -> None:
+ raise NotImplementedError()
+
+ def get_body(self, key: str) -> IO[bytes] | None:
+ """
+ Return the body as file-like object.
+ """
+ raise NotImplementedError()
diff --git a/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/caches/__init__.py b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/caches/__init__.py
new file mode 100644
index 0000000..24ff469
--- /dev/null
+++ b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/caches/__init__.py
@@ -0,0 +1,8 @@
+# SPDX-FileCopyrightText: 2015 Eric Larson
+#
+# SPDX-License-Identifier: Apache-2.0
+
+from pip._vendor.cachecontrol.caches.file_cache import FileCache, SeparateBodyFileCache
+from pip._vendor.cachecontrol.caches.redis_cache import RedisCache
+
+__all__ = ["FileCache", "SeparateBodyFileCache", "RedisCache"]
diff --git a/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/caches/__pycache__/__init__.cpython-311.pyc b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/caches/__pycache__/__init__.cpython-311.pyc
new file mode 100644
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--- /dev/null
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diff --git a/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/caches/__pycache__/file_cache.cpython-311.pyc b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/caches/__pycache__/file_cache.cpython-311.pyc
new file mode 100644
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--- /dev/null
+++ b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/caches/__pycache__/file_cache.cpython-311.pyc
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diff --git a/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/caches/__pycache__/redis_cache.cpython-311.pyc b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/caches/__pycache__/redis_cache.cpython-311.pyc
new file mode 100644
index 0000000..597a7f0
--- /dev/null
+++ b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/caches/__pycache__/redis_cache.cpython-311.pyc
Binary files differ
diff --git a/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/caches/file_cache.py b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/caches/file_cache.py
new file mode 100644
index 0000000..1fd2801
--- /dev/null
+++ b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/caches/file_cache.py
@@ -0,0 +1,181 @@
+# SPDX-FileCopyrightText: 2015 Eric Larson
+#
+# SPDX-License-Identifier: Apache-2.0
+from __future__ import annotations
+
+import hashlib
+import os
+from textwrap import dedent
+from typing import IO, TYPE_CHECKING
+
+from pip._vendor.cachecontrol.cache import BaseCache, SeparateBodyBaseCache
+from pip._vendor.cachecontrol.controller import CacheController
+
+if TYPE_CHECKING:
+ from datetime import datetime
+
+ from filelock import BaseFileLock
+
+
+def _secure_open_write(filename: str, fmode: int) -> IO[bytes]:
+ # We only want to write to this file, so open it in write only mode
+ flags = os.O_WRONLY
+
+ # os.O_CREAT | os.O_EXCL will fail if the file already exists, so we only
+ # will open *new* files.
+ # We specify this because we want to ensure that the mode we pass is the
+ # mode of the file.
+ flags |= os.O_CREAT | os.O_EXCL
+
+ # Do not follow symlinks to prevent someone from making a symlink that
+ # we follow and insecurely open a cache file.
+ if hasattr(os, "O_NOFOLLOW"):
+ flags |= os.O_NOFOLLOW
+
+ # On Windows we'll mark this file as binary
+ if hasattr(os, "O_BINARY"):
+ flags |= os.O_BINARY
+
+ # Before we open our file, we want to delete any existing file that is
+ # there
+ try:
+ os.remove(filename)
+ except OSError:
+ # The file must not exist already, so we can just skip ahead to opening
+ pass
+
+ # Open our file, the use of os.O_CREAT | os.O_EXCL will ensure that if a
+ # race condition happens between the os.remove and this line, that an
+ # error will be raised. Because we utilize a lockfile this should only
+ # happen if someone is attempting to attack us.
+ fd = os.open(filename, flags, fmode)
+ try:
+ return os.fdopen(fd, "wb")
+
+ except:
+ # An error occurred wrapping our FD in a file object
+ os.close(fd)
+ raise
+
+
+class _FileCacheMixin:
+ """Shared implementation for both FileCache variants."""
+
+ def __init__(
+ self,
+ directory: str,
+ forever: bool = False,
+ filemode: int = 0o0600,
+ dirmode: int = 0o0700,
+ lock_class: type[BaseFileLock] | None = None,
+ ) -> None:
+ try:
+ if lock_class is None:
+ from filelock import FileLock
+
+ lock_class = FileLock
+ except ImportError:
+ notice = dedent(
+ """
+ NOTE: In order to use the FileCache you must have
+ filelock installed. You can install it via pip:
+ pip install filelock
+ """
+ )
+ raise ImportError(notice)
+
+ self.directory = directory
+ self.forever = forever
+ self.filemode = filemode
+ self.dirmode = dirmode
+ self.lock_class = lock_class
+
+ @staticmethod
+ def encode(x: str) -> str:
+ return hashlib.sha224(x.encode()).hexdigest()
+
+ def _fn(self, name: str) -> str:
+ # NOTE: This method should not change as some may depend on it.
+ # See: https://github.com/ionrock/cachecontrol/issues/63
+ hashed = self.encode(name)
+ parts = list(hashed[:5]) + [hashed]
+ return os.path.join(self.directory, *parts)
+
+ def get(self, key: str) -> bytes | None:
+ name = self._fn(key)
+ try:
+ with open(name, "rb") as fh:
+ return fh.read()
+
+ except FileNotFoundError:
+ return None
+
+ def set(
+ self, key: str, value: bytes, expires: int | datetime | None = None
+ ) -> None:
+ name = self._fn(key)
+ self._write(name, value)
+
+ def _write(self, path: str, data: bytes) -> None:
+ """
+ Safely write the data to the given path.
+ """
+ # Make sure the directory exists
+ try:
+ os.makedirs(os.path.dirname(path), self.dirmode)
+ except OSError:
+ pass
+
+ with self.lock_class(path + ".lock"):
+ # Write our actual file
+ with _secure_open_write(path, self.filemode) as fh:
+ fh.write(data)
+
+ def _delete(self, key: str, suffix: str) -> None:
+ name = self._fn(key) + suffix
+ if not self.forever:
+ try:
+ os.remove(name)
+ except FileNotFoundError:
+ pass
+
+
+class FileCache(_FileCacheMixin, BaseCache):
+ """
+ Traditional FileCache: body is stored in memory, so not suitable for large
+ downloads.
+ """
+
+ def delete(self, key: str) -> None:
+ self._delete(key, "")
+
+
+class SeparateBodyFileCache(_FileCacheMixin, SeparateBodyBaseCache):
+ """
+ Memory-efficient FileCache: body is stored in a separate file, reducing
+ peak memory usage.
+ """
+
+ def get_body(self, key: str) -> IO[bytes] | None:
+ name = self._fn(key) + ".body"
+ try:
+ return open(name, "rb")
+ except FileNotFoundError:
+ return None
+
+ def set_body(self, key: str, body: bytes) -> None:
+ name = self._fn(key) + ".body"
+ self._write(name, body)
+
+ def delete(self, key: str) -> None:
+ self._delete(key, "")
+ self._delete(key, ".body")
+
+
+def url_to_file_path(url: str, filecache: FileCache) -> str:
+ """Return the file cache path based on the URL.
+
+ This does not ensure the file exists!
+ """
+ key = CacheController.cache_url(url)
+ return filecache._fn(key)
diff --git a/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/caches/redis_cache.py b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/caches/redis_cache.py
new file mode 100644
index 0000000..f4f68c4
--- /dev/null
+++ b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/caches/redis_cache.py
@@ -0,0 +1,48 @@
+# SPDX-FileCopyrightText: 2015 Eric Larson
+#
+# SPDX-License-Identifier: Apache-2.0
+from __future__ import annotations
+
+
+from datetime import datetime, timezone
+from typing import TYPE_CHECKING
+
+from pip._vendor.cachecontrol.cache import BaseCache
+
+if TYPE_CHECKING:
+ from redis import Redis
+
+
+class RedisCache(BaseCache):
+ def __init__(self, conn: Redis[bytes]) -> None:
+ self.conn = conn
+
+ def get(self, key: str) -> bytes | None:
+ return self.conn.get(key)
+
+ def set(
+ self, key: str, value: bytes, expires: int | datetime | None = None
+ ) -> None:
+ if not expires:
+ self.conn.set(key, value)
+ elif isinstance(expires, datetime):
+ now_utc = datetime.now(timezone.utc)
+ if expires.tzinfo is None:
+ now_utc = now_utc.replace(tzinfo=None)
+ delta = expires - now_utc
+ self.conn.setex(key, int(delta.total_seconds()), value)
+ else:
+ self.conn.setex(key, expires, value)
+
+ def delete(self, key: str) -> None:
+ self.conn.delete(key)
+
+ def clear(self) -> None:
+ """Helper for clearing all the keys in a database. Use with
+ caution!"""
+ for key in self.conn.keys():
+ self.conn.delete(key)
+
+ def close(self) -> None:
+ """Redis uses connection pooling, no need to close the connection."""
+ pass
diff --git a/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/controller.py b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/controller.py
new file mode 100644
index 0000000..586b9f9
--- /dev/null
+++ b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/controller.py
@@ -0,0 +1,494 @@
+# SPDX-FileCopyrightText: 2015 Eric Larson
+#
+# SPDX-License-Identifier: Apache-2.0
+
+"""
+The httplib2 algorithms ported for use with requests.
+"""
+from __future__ import annotations
+
+import calendar
+import logging
+import re
+import time
+from email.utils import parsedate_tz
+from typing import TYPE_CHECKING, Collection, Mapping
+
+from pip._vendor.requests.structures import CaseInsensitiveDict
+
+from pip._vendor.cachecontrol.cache import DictCache, SeparateBodyBaseCache
+from pip._vendor.cachecontrol.serialize import Serializer
+
+if TYPE_CHECKING:
+ from typing import Literal
+
+ from pip._vendor.requests import PreparedRequest
+ from pip._vendor.urllib3 import HTTPResponse
+
+ from pip._vendor.cachecontrol.cache import BaseCache
+
+logger = logging.getLogger(__name__)
+
+URI = re.compile(r"^(([^:/?#]+):)?(//([^/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?")
+
+PERMANENT_REDIRECT_STATUSES = (301, 308)
+
+
+def parse_uri(uri: str) -> tuple[str, str, str, str, str]:
+ """Parses a URI using the regex given in Appendix B of RFC 3986.
+
+ (scheme, authority, path, query, fragment) = parse_uri(uri)
+ """
+ match = URI.match(uri)
+ assert match is not None
+ groups = match.groups()
+ return (groups[1], groups[3], groups[4], groups[6], groups[8])
+
+
+class CacheController:
+ """An interface to see if request should cached or not."""
+
+ def __init__(
+ self,
+ cache: BaseCache | None = None,
+ cache_etags: bool = True,
+ serializer: Serializer | None = None,
+ status_codes: Collection[int] | None = None,
+ ):
+ self.cache = DictCache() if cache is None else cache
+ self.cache_etags = cache_etags
+ self.serializer = serializer or Serializer()
+ self.cacheable_status_codes = status_codes or (200, 203, 300, 301, 308)
+
+ @classmethod
+ def _urlnorm(cls, uri: str) -> str:
+ """Normalize the URL to create a safe key for the cache"""
+ (scheme, authority, path, query, fragment) = parse_uri(uri)
+ if not scheme or not authority:
+ raise Exception("Only absolute URIs are allowed. uri = %s" % uri)
+
+ scheme = scheme.lower()
+ authority = authority.lower()
+
+ if not path:
+ path = "/"
+
+ # Could do syntax based normalization of the URI before
+ # computing the digest. See Section 6.2.2 of Std 66.
+ request_uri = query and "?".join([path, query]) or path
+ defrag_uri = scheme + "://" + authority + request_uri
+
+ return defrag_uri
+
+ @classmethod
+ def cache_url(cls, uri: str) -> str:
+ return cls._urlnorm(uri)
+
+ def parse_cache_control(self, headers: Mapping[str, str]) -> dict[str, int | None]:
+ known_directives = {
+ # https://tools.ietf.org/html/rfc7234#section-5.2
+ "max-age": (int, True),
+ "max-stale": (int, False),
+ "min-fresh": (int, True),
+ "no-cache": (None, False),
+ "no-store": (None, False),
+ "no-transform": (None, False),
+ "only-if-cached": (None, False),
+ "must-revalidate": (None, False),
+ "public": (None, False),
+ "private": (None, False),
+ "proxy-revalidate": (None, False),
+ "s-maxage": (int, True),
+ }
+
+ cc_headers = headers.get("cache-control", headers.get("Cache-Control", ""))
+
+ retval: dict[str, int | None] = {}
+
+ for cc_directive in cc_headers.split(","):
+ if not cc_directive.strip():
+ continue
+
+ parts = cc_directive.split("=", 1)
+ directive = parts[0].strip()
+
+ try:
+ typ, required = known_directives[directive]
+ except KeyError:
+ logger.debug("Ignoring unknown cache-control directive: %s", directive)
+ continue
+
+ if not typ or not required:
+ retval[directive] = None
+ if typ:
+ try:
+ retval[directive] = typ(parts[1].strip())
+ except IndexError:
+ if required:
+ logger.debug(
+ "Missing value for cache-control " "directive: %s",
+ directive,
+ )
+ except ValueError:
+ logger.debug(
+ "Invalid value for cache-control directive " "%s, must be %s",
+ directive,
+ typ.__name__,
+ )
+
+ return retval
+
+ def _load_from_cache(self, request: PreparedRequest) -> HTTPResponse | None:
+ """
+ Load a cached response, or return None if it's not available.
+ """
+ cache_url = request.url
+ assert cache_url is not None
+ cache_data = self.cache.get(cache_url)
+ if cache_data is None:
+ logger.debug("No cache entry available")
+ return None
+
+ if isinstance(self.cache, SeparateBodyBaseCache):
+ body_file = self.cache.get_body(cache_url)
+ else:
+ body_file = None
+
+ result = self.serializer.loads(request, cache_data, body_file)
+ if result is None:
+ logger.warning("Cache entry deserialization failed, entry ignored")
+ return result
+
+ def cached_request(self, request: PreparedRequest) -> HTTPResponse | Literal[False]:
+ """
+ Return a cached response if it exists in the cache, otherwise
+ return False.
+ """
+ assert request.url is not None
+ cache_url = self.cache_url(request.url)
+ logger.debug('Looking up "%s" in the cache', cache_url)
+ cc = self.parse_cache_control(request.headers)
+
+ # Bail out if the request insists on fresh data
+ if "no-cache" in cc:
+ logger.debug('Request header has "no-cache", cache bypassed')
+ return False
+
+ if "max-age" in cc and cc["max-age"] == 0:
+ logger.debug('Request header has "max_age" as 0, cache bypassed')
+ return False
+
+ # Check whether we can load the response from the cache:
+ resp = self._load_from_cache(request)
+ if not resp:
+ return False
+
+ # If we have a cached permanent redirect, return it immediately. We
+ # don't need to test our response for other headers b/c it is
+ # intrinsically "cacheable" as it is Permanent.
+ #
+ # See:
+ # https://tools.ietf.org/html/rfc7231#section-6.4.2
+ #
+ # Client can try to refresh the value by repeating the request
+ # with cache busting headers as usual (ie no-cache).
+ if int(resp.status) in PERMANENT_REDIRECT_STATUSES:
+ msg = (
+ "Returning cached permanent redirect response "
+ "(ignoring date and etag information)"
+ )
+ logger.debug(msg)
+ return resp
+
+ headers: CaseInsensitiveDict[str] = CaseInsensitiveDict(resp.headers)
+ if not headers or "date" not in headers:
+ if "etag" not in headers:
+ # Without date or etag, the cached response can never be used
+ # and should be deleted.
+ logger.debug("Purging cached response: no date or etag")
+ self.cache.delete(cache_url)
+ logger.debug("Ignoring cached response: no date")
+ return False
+
+ now = time.time()
+ time_tuple = parsedate_tz(headers["date"])
+ assert time_tuple is not None
+ date = calendar.timegm(time_tuple[:6])
+ current_age = max(0, now - date)
+ logger.debug("Current age based on date: %i", current_age)
+
+ # TODO: There is an assumption that the result will be a
+ # urllib3 response object. This may not be best since we
+ # could probably avoid instantiating or constructing the
+ # response until we know we need it.
+ resp_cc = self.parse_cache_control(headers)
+
+ # determine freshness
+ freshness_lifetime = 0
+
+ # Check the max-age pragma in the cache control header
+ max_age = resp_cc.get("max-age")
+ if max_age is not None:
+ freshness_lifetime = max_age
+ logger.debug("Freshness lifetime from max-age: %i", freshness_lifetime)
+
+ # If there isn't a max-age, check for an expires header
+ elif "expires" in headers:
+ expires = parsedate_tz(headers["expires"])
+ if expires is not None:
+ expire_time = calendar.timegm(expires[:6]) - date
+ freshness_lifetime = max(0, expire_time)
+ logger.debug("Freshness lifetime from expires: %i", freshness_lifetime)
+
+ # Determine if we are setting freshness limit in the
+ # request. Note, this overrides what was in the response.
+ max_age = cc.get("max-age")
+ if max_age is not None:
+ freshness_lifetime = max_age
+ logger.debug(
+ "Freshness lifetime from request max-age: %i", freshness_lifetime
+ )
+
+ min_fresh = cc.get("min-fresh")
+ if min_fresh is not None:
+ # adjust our current age by our min fresh
+ current_age += min_fresh
+ logger.debug("Adjusted current age from min-fresh: %i", current_age)
+
+ # Return entry if it is fresh enough
+ if freshness_lifetime > current_age:
+ logger.debug('The response is "fresh", returning cached response')
+ logger.debug("%i > %i", freshness_lifetime, current_age)
+ return resp
+
+ # we're not fresh. If we don't have an Etag, clear it out
+ if "etag" not in headers:
+ logger.debug('The cached response is "stale" with no etag, purging')
+ self.cache.delete(cache_url)
+
+ # return the original handler
+ return False
+
+ def conditional_headers(self, request: PreparedRequest) -> dict[str, str]:
+ resp = self._load_from_cache(request)
+ new_headers = {}
+
+ if resp:
+ headers: CaseInsensitiveDict[str] = CaseInsensitiveDict(resp.headers)
+
+ if "etag" in headers:
+ new_headers["If-None-Match"] = headers["ETag"]
+
+ if "last-modified" in headers:
+ new_headers["If-Modified-Since"] = headers["Last-Modified"]
+
+ return new_headers
+
+ def _cache_set(
+ self,
+ cache_url: str,
+ request: PreparedRequest,
+ response: HTTPResponse,
+ body: bytes | None = None,
+ expires_time: int | None = None,
+ ) -> None:
+ """
+ Store the data in the cache.
+ """
+ if isinstance(self.cache, SeparateBodyBaseCache):
+ # We pass in the body separately; just put a placeholder empty
+ # string in the metadata.
+ self.cache.set(
+ cache_url,
+ self.serializer.dumps(request, response, b""),
+ expires=expires_time,
+ )
+ # body is None can happen when, for example, we're only updating
+ # headers, as is the case in update_cached_response().
+ if body is not None:
+ self.cache.set_body(cache_url, body)
+ else:
+ self.cache.set(
+ cache_url,
+ self.serializer.dumps(request, response, body),
+ expires=expires_time,
+ )
+
+ def cache_response(
+ self,
+ request: PreparedRequest,
+ response: HTTPResponse,
+ body: bytes | None = None,
+ status_codes: Collection[int] | None = None,
+ ) -> None:
+ """
+ Algorithm for caching requests.
+
+ This assumes a requests Response object.
+ """
+ # From httplib2: Don't cache 206's since we aren't going to
+ # handle byte range requests
+ cacheable_status_codes = status_codes or self.cacheable_status_codes
+ if response.status not in cacheable_status_codes:
+ logger.debug(
+ "Status code %s not in %s", response.status, cacheable_status_codes
+ )
+ return
+
+ response_headers: CaseInsensitiveDict[str] = CaseInsensitiveDict(
+ response.headers
+ )
+
+ if "date" in response_headers:
+ time_tuple = parsedate_tz(response_headers["date"])
+ assert time_tuple is not None
+ date = calendar.timegm(time_tuple[:6])
+ else:
+ date = 0
+
+ # If we've been given a body, our response has a Content-Length, that
+ # Content-Length is valid then we can check to see if the body we've
+ # been given matches the expected size, and if it doesn't we'll just
+ # skip trying to cache it.
+ if (
+ body is not None
+ and "content-length" in response_headers
+ and response_headers["content-length"].isdigit()
+ and int(response_headers["content-length"]) != len(body)
+ ):
+ return
+
+ cc_req = self.parse_cache_control(request.headers)
+ cc = self.parse_cache_control(response_headers)
+
+ assert request.url is not None
+ cache_url = self.cache_url(request.url)
+ logger.debug('Updating cache with response from "%s"', cache_url)
+
+ # Delete it from the cache if we happen to have it stored there
+ no_store = False
+ if "no-store" in cc:
+ no_store = True
+ logger.debug('Response header has "no-store"')
+ if "no-store" in cc_req:
+ no_store = True
+ logger.debug('Request header has "no-store"')
+ if no_store and self.cache.get(cache_url):
+ logger.debug('Purging existing cache entry to honor "no-store"')
+ self.cache.delete(cache_url)
+ if no_store:
+ return
+
+ # https://tools.ietf.org/html/rfc7234#section-4.1:
+ # A Vary header field-value of "*" always fails to match.
+ # Storing such a response leads to a deserialization warning
+ # during cache lookup and is not allowed to ever be served,
+ # so storing it can be avoided.
+ if "*" in response_headers.get("vary", ""):
+ logger.debug('Response header has "Vary: *"')
+ return
+
+ # If we've been given an etag, then keep the response
+ if self.cache_etags and "etag" in response_headers:
+ expires_time = 0
+ if response_headers.get("expires"):
+ expires = parsedate_tz(response_headers["expires"])
+ if expires is not None:
+ expires_time = calendar.timegm(expires[:6]) - date
+
+ expires_time = max(expires_time, 14 * 86400)
+
+ logger.debug(f"etag object cached for {expires_time} seconds")
+ logger.debug("Caching due to etag")
+ self._cache_set(cache_url, request, response, body, expires_time)
+
+ # Add to the cache any permanent redirects. We do this before looking
+ # that the Date headers.
+ elif int(response.status) in PERMANENT_REDIRECT_STATUSES:
+ logger.debug("Caching permanent redirect")
+ self._cache_set(cache_url, request, response, b"")
+
+ # Add to the cache if the response headers demand it. If there
+ # is no date header then we can't do anything about expiring
+ # the cache.
+ elif "date" in response_headers:
+ time_tuple = parsedate_tz(response_headers["date"])
+ assert time_tuple is not None
+ date = calendar.timegm(time_tuple[:6])
+ # cache when there is a max-age > 0
+ max_age = cc.get("max-age")
+ if max_age is not None and max_age > 0:
+ logger.debug("Caching b/c date exists and max-age > 0")
+ expires_time = max_age
+ self._cache_set(
+ cache_url,
+ request,
+ response,
+ body,
+ expires_time,
+ )
+
+ # If the request can expire, it means we should cache it
+ # in the meantime.
+ elif "expires" in response_headers:
+ if response_headers["expires"]:
+ expires = parsedate_tz(response_headers["expires"])
+ if expires is not None:
+ expires_time = calendar.timegm(expires[:6]) - date
+ else:
+ expires_time = None
+
+ logger.debug(
+ "Caching b/c of expires header. expires in {} seconds".format(
+ expires_time
+ )
+ )
+ self._cache_set(
+ cache_url,
+ request,
+ response,
+ body,
+ expires_time,
+ )
+
+ def update_cached_response(
+ self, request: PreparedRequest, response: HTTPResponse
+ ) -> HTTPResponse:
+ """On a 304 we will get a new set of headers that we want to
+ update our cached value with, assuming we have one.
+
+ This should only ever be called when we've sent an ETag and
+ gotten a 304 as the response.
+ """
+ assert request.url is not None
+ cache_url = self.cache_url(request.url)
+ cached_response = self._load_from_cache(request)
+
+ if not cached_response:
+ # we didn't have a cached response
+ return response
+
+ # Lets update our headers with the headers from the new request:
+ # http://tools.ietf.org/html/draft-ietf-httpbis-p4-conditional-26#section-4.1
+ #
+ # The server isn't supposed to send headers that would make
+ # the cached body invalid. But... just in case, we'll be sure
+ # to strip out ones we know that might be problmatic due to
+ # typical assumptions.
+ excluded_headers = ["content-length"]
+
+ cached_response.headers.update(
+ {
+ k: v
+ for k, v in response.headers.items() # type: ignore[no-untyped-call]
+ if k.lower() not in excluded_headers
+ }
+ )
+
+ # we want a 200 b/c we have content via the cache
+ cached_response.status = 200
+
+ # update our cache
+ self._cache_set(cache_url, request, cached_response)
+
+ return cached_response
diff --git a/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/filewrapper.py b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/filewrapper.py
new file mode 100644
index 0000000..2514390
--- /dev/null
+++ b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/filewrapper.py
@@ -0,0 +1,119 @@
+# SPDX-FileCopyrightText: 2015 Eric Larson
+#
+# SPDX-License-Identifier: Apache-2.0
+from __future__ import annotations
+
+import mmap
+from tempfile import NamedTemporaryFile
+from typing import TYPE_CHECKING, Any, Callable
+
+if TYPE_CHECKING:
+ from http.client import HTTPResponse
+
+
+class CallbackFileWrapper:
+ """
+ Small wrapper around a fp object which will tee everything read into a
+ buffer, and when that file is closed it will execute a callback with the
+ contents of that buffer.
+
+ All attributes are proxied to the underlying file object.
+
+ This class uses members with a double underscore (__) leading prefix so as
+ not to accidentally shadow an attribute.
+
+ The data is stored in a temporary file until it is all available. As long
+ as the temporary files directory is disk-based (sometimes it's a
+ memory-backed-``tmpfs`` on Linux), data will be unloaded to disk if memory
+ pressure is high. For small files the disk usually won't be used at all,
+ it'll all be in the filesystem memory cache, so there should be no
+ performance impact.
+ """
+
+ def __init__(
+ self, fp: HTTPResponse, callback: Callable[[bytes], None] | None
+ ) -> None:
+ self.__buf = NamedTemporaryFile("rb+", delete=True)
+ self.__fp = fp
+ self.__callback = callback
+
+ def __getattr__(self, name: str) -> Any:
+ # The vaguaries of garbage collection means that self.__fp is
+ # not always set. By using __getattribute__ and the private
+ # name[0] allows looking up the attribute value and raising an
+ # AttributeError when it doesn't exist. This stop thigns from
+ # infinitely recursing calls to getattr in the case where
+ # self.__fp hasn't been set.
+ #
+ # [0] https://docs.python.org/2/reference/expressions.html#atom-identifiers
+ fp = self.__getattribute__("_CallbackFileWrapper__fp")
+ return getattr(fp, name)
+
+ def __is_fp_closed(self) -> bool:
+ try:
+ return self.__fp.fp is None
+
+ except AttributeError:
+ pass
+
+ try:
+ closed: bool = self.__fp.closed
+ return closed
+
+ except AttributeError:
+ pass
+
+ # We just don't cache it then.
+ # TODO: Add some logging here...
+ return False
+
+ def _close(self) -> None:
+ if self.__callback:
+ if self.__buf.tell() == 0:
+ # Empty file:
+ result = b""
+ else:
+ # Return the data without actually loading it into memory,
+ # relying on Python's buffer API and mmap(). mmap() just gives
+ # a view directly into the filesystem's memory cache, so it
+ # doesn't result in duplicate memory use.
+ self.__buf.seek(0, 0)
+ result = memoryview(
+ mmap.mmap(self.__buf.fileno(), 0, access=mmap.ACCESS_READ)
+ )
+ self.__callback(result)
+
+ # We assign this to None here, because otherwise we can get into
+ # really tricky problems where the CPython interpreter dead locks
+ # because the callback is holding a reference to something which
+ # has a __del__ method. Setting this to None breaks the cycle
+ # and allows the garbage collector to do it's thing normally.
+ self.__callback = None
+
+ # Closing the temporary file releases memory and frees disk space.
+ # Important when caching big files.
+ self.__buf.close()
+
+ def read(self, amt: int | None = None) -> bytes:
+ data: bytes = self.__fp.read(amt)
+ if data:
+ # We may be dealing with b'', a sign that things are over:
+ # it's passed e.g. after we've already closed self.__buf.
+ self.__buf.write(data)
+ if self.__is_fp_closed():
+ self._close()
+
+ return data
+
+ def _safe_read(self, amt: int) -> bytes:
+ data: bytes = self.__fp._safe_read(amt) # type: ignore[attr-defined]
+ if amt == 2 and data == b"\r\n":
+ # urllib executes this read to toss the CRLF at the end
+ # of the chunk.
+ return data
+
+ self.__buf.write(data)
+ if self.__is_fp_closed():
+ self._close()
+
+ return data
diff --git a/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/heuristics.py b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/heuristics.py
new file mode 100644
index 0000000..b9d72ca
--- /dev/null
+++ b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/heuristics.py
@@ -0,0 +1,154 @@
+# SPDX-FileCopyrightText: 2015 Eric Larson
+#
+# SPDX-License-Identifier: Apache-2.0
+from __future__ import annotations
+
+import calendar
+import time
+from datetime import datetime, timedelta, timezone
+from email.utils import formatdate, parsedate, parsedate_tz
+from typing import TYPE_CHECKING, Any, Mapping
+
+if TYPE_CHECKING:
+ from pip._vendor.urllib3 import HTTPResponse
+
+TIME_FMT = "%a, %d %b %Y %H:%M:%S GMT"
+
+
+def expire_after(delta: timedelta, date: datetime | None = None) -> datetime:
+ date = date or datetime.now(timezone.utc)
+ return date + delta
+
+
+def datetime_to_header(dt: datetime) -> str:
+ return formatdate(calendar.timegm(dt.timetuple()))
+
+
+class BaseHeuristic:
+ def warning(self, response: HTTPResponse) -> str | None:
+ """
+ Return a valid 1xx warning header value describing the cache
+ adjustments.
+
+ The response is provided too allow warnings like 113
+ http://tools.ietf.org/html/rfc7234#section-5.5.4 where we need
+ to explicitly say response is over 24 hours old.
+ """
+ return '110 - "Response is Stale"'
+
+ def update_headers(self, response: HTTPResponse) -> dict[str, str]:
+ """Update the response headers with any new headers.
+
+ NOTE: This SHOULD always include some Warning header to
+ signify that the response was cached by the client, not
+ by way of the provided headers.
+ """
+ return {}
+
+ def apply(self, response: HTTPResponse) -> HTTPResponse:
+ updated_headers = self.update_headers(response)
+
+ if updated_headers:
+ response.headers.update(updated_headers)
+ warning_header_value = self.warning(response)
+ if warning_header_value is not None:
+ response.headers.update({"Warning": warning_header_value})
+
+ return response
+
+
+class OneDayCache(BaseHeuristic):
+ """
+ Cache the response by providing an expires 1 day in the
+ future.
+ """
+
+ def update_headers(self, response: HTTPResponse) -> dict[str, str]:
+ headers = {}
+
+ if "expires" not in response.headers:
+ date = parsedate(response.headers["date"])
+ expires = expire_after(timedelta(days=1), date=datetime(*date[:6], tzinfo=timezone.utc)) # type: ignore[misc]
+ headers["expires"] = datetime_to_header(expires)
+ headers["cache-control"] = "public"
+ return headers
+
+
+class ExpiresAfter(BaseHeuristic):
+ """
+ Cache **all** requests for a defined time period.
+ """
+
+ def __init__(self, **kw: Any) -> None:
+ self.delta = timedelta(**kw)
+
+ def update_headers(self, response: HTTPResponse) -> dict[str, str]:
+ expires = expire_after(self.delta)
+ return {"expires": datetime_to_header(expires), "cache-control": "public"}
+
+ def warning(self, response: HTTPResponse) -> str | None:
+ tmpl = "110 - Automatically cached for %s. Response might be stale"
+ return tmpl % self.delta
+
+
+class LastModified(BaseHeuristic):
+ """
+ If there is no Expires header already, fall back on Last-Modified
+ using the heuristic from
+ http://tools.ietf.org/html/rfc7234#section-4.2.2
+ to calculate a reasonable value.
+
+ Firefox also does something like this per
+ https://developer.mozilla.org/en-US/docs/Web/HTTP/Caching_FAQ
+ http://lxr.mozilla.org/mozilla-release/source/netwerk/protocol/http/nsHttpResponseHead.cpp#397
+ Unlike mozilla we limit this to 24-hr.
+ """
+
+ cacheable_by_default_statuses = {
+ 200,
+ 203,
+ 204,
+ 206,
+ 300,
+ 301,
+ 404,
+ 405,
+ 410,
+ 414,
+ 501,
+ }
+
+ def update_headers(self, resp: HTTPResponse) -> dict[str, str]:
+ headers: Mapping[str, str] = resp.headers
+
+ if "expires" in headers:
+ return {}
+
+ if "cache-control" in headers and headers["cache-control"] != "public":
+ return {}
+
+ if resp.status not in self.cacheable_by_default_statuses:
+ return {}
+
+ if "date" not in headers or "last-modified" not in headers:
+ return {}
+
+ time_tuple = parsedate_tz(headers["date"])
+ assert time_tuple is not None
+ date = calendar.timegm(time_tuple[:6])
+ last_modified = parsedate(headers["last-modified"])
+ if last_modified is None:
+ return {}
+
+ now = time.time()
+ current_age = max(0, now - date)
+ delta = date - calendar.timegm(last_modified)
+ freshness_lifetime = max(0, min(delta / 10, 24 * 3600))
+ if freshness_lifetime <= current_age:
+ return {}
+
+ expires = date + freshness_lifetime
+ return {"expires": time.strftime(TIME_FMT, time.gmtime(expires))}
+
+ def warning(self, resp: HTTPResponse) -> str | None:
+ return None
diff --git a/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/py.typed b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/py.typed
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/py.typed
diff --git a/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/serialize.py b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/serialize.py
new file mode 100644
index 0000000..f9e967c
--- /dev/null
+++ b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/serialize.py
@@ -0,0 +1,206 @@
+# SPDX-FileCopyrightText: 2015 Eric Larson
+#
+# SPDX-License-Identifier: Apache-2.0
+from __future__ import annotations
+
+import io
+from typing import IO, TYPE_CHECKING, Any, Mapping, cast
+
+from pip._vendor import msgpack
+from pip._vendor.requests.structures import CaseInsensitiveDict
+from pip._vendor.urllib3 import HTTPResponse
+
+if TYPE_CHECKING:
+ from pip._vendor.requests import PreparedRequest
+
+
+class Serializer:
+ serde_version = "4"
+
+ def dumps(
+ self,
+ request: PreparedRequest,
+ response: HTTPResponse,
+ body: bytes | None = None,
+ ) -> bytes:
+ response_headers: CaseInsensitiveDict[str] = CaseInsensitiveDict(
+ response.headers
+ )
+
+ if body is None:
+ # When a body isn't passed in, we'll read the response. We
+ # also update the response with a new file handler to be
+ # sure it acts as though it was never read.
+ body = response.read(decode_content=False)
+ response._fp = io.BytesIO(body) # type: ignore[attr-defined]
+ response.length_remaining = len(body)
+
+ data = {
+ "response": {
+ "body": body, # Empty bytestring if body is stored separately
+ "headers": {str(k): str(v) for k, v in response.headers.items()}, # type: ignore[no-untyped-call]
+ "status": response.status,
+ "version": response.version,
+ "reason": str(response.reason),
+ "decode_content": response.decode_content,
+ }
+ }
+
+ # Construct our vary headers
+ data["vary"] = {}
+ if "vary" in response_headers:
+ varied_headers = response_headers["vary"].split(",")
+ for header in varied_headers:
+ header = str(header).strip()
+ header_value = request.headers.get(header, None)
+ if header_value is not None:
+ header_value = str(header_value)
+ data["vary"][header] = header_value
+
+ return b",".join([f"cc={self.serde_version}".encode(), self.serialize(data)])
+
+ def serialize(self, data: dict[str, Any]) -> bytes:
+ return cast(bytes, msgpack.dumps(data, use_bin_type=True))
+
+ def loads(
+ self,
+ request: PreparedRequest,
+ data: bytes,
+ body_file: IO[bytes] | None = None,
+ ) -> HTTPResponse | None:
+ # Short circuit if we've been given an empty set of data
+ if not data:
+ return None
+
+ # Determine what version of the serializer the data was serialized
+ # with
+ try:
+ ver, data = data.split(b",", 1)
+ except ValueError:
+ ver = b"cc=0"
+
+ # Make sure that our "ver" is actually a version and isn't a false
+ # positive from a , being in the data stream.
+ if ver[:3] != b"cc=":
+ data = ver + data
+ ver = b"cc=0"
+
+ # Get the version number out of the cc=N
+ verstr = ver.split(b"=", 1)[-1].decode("ascii")
+
+ # Dispatch to the actual load method for the given version
+ try:
+ return getattr(self, f"_loads_v{verstr}")(request, data, body_file) # type: ignore[no-any-return]
+
+ except AttributeError:
+ # This is a version we don't have a loads function for, so we'll
+ # just treat it as a miss and return None
+ return None
+
+ def prepare_response(
+ self,
+ request: PreparedRequest,
+ cached: Mapping[str, Any],
+ body_file: IO[bytes] | None = None,
+ ) -> HTTPResponse | None:
+ """Verify our vary headers match and construct a real urllib3
+ HTTPResponse object.
+ """
+ # Special case the '*' Vary value as it means we cannot actually
+ # determine if the cached response is suitable for this request.
+ # This case is also handled in the controller code when creating
+ # a cache entry, but is left here for backwards compatibility.
+ if "*" in cached.get("vary", {}):
+ return None
+
+ # Ensure that the Vary headers for the cached response match our
+ # request
+ for header, value in cached.get("vary", {}).items():
+ if request.headers.get(header, None) != value:
+ return None
+
+ body_raw = cached["response"].pop("body")
+
+ headers: CaseInsensitiveDict[str] = CaseInsensitiveDict(
+ data=cached["response"]["headers"]
+ )
+ if headers.get("transfer-encoding", "") == "chunked":
+ headers.pop("transfer-encoding")
+
+ cached["response"]["headers"] = headers
+
+ try:
+ body: IO[bytes]
+ if body_file is None:
+ body = io.BytesIO(body_raw)
+ else:
+ body = body_file
+ except TypeError:
+ # This can happen if cachecontrol serialized to v1 format (pickle)
+ # using Python 2. A Python 2 str(byte string) will be unpickled as
+ # a Python 3 str (unicode string), which will cause the above to
+ # fail with:
+ #
+ # TypeError: 'str' does not support the buffer interface
+ body = io.BytesIO(body_raw.encode("utf8"))
+
+ # Discard any `strict` parameter serialized by older version of cachecontrol.
+ cached["response"].pop("strict", None)
+
+ return HTTPResponse(body=body, preload_content=False, **cached["response"])
+
+ def _loads_v0(
+ self,
+ request: PreparedRequest,
+ data: bytes,
+ body_file: IO[bytes] | None = None,
+ ) -> None:
+ # The original legacy cache data. This doesn't contain enough
+ # information to construct everything we need, so we'll treat this as
+ # a miss.
+ return None
+
+ def _loads_v1(
+ self,
+ request: PreparedRequest,
+ data: bytes,
+ body_file: IO[bytes] | None = None,
+ ) -> HTTPResponse | None:
+ # The "v1" pickled cache format. This is no longer supported
+ # for security reasons, so we treat it as a miss.
+ return None
+
+ def _loads_v2(
+ self,
+ request: PreparedRequest,
+ data: bytes,
+ body_file: IO[bytes] | None = None,
+ ) -> HTTPResponse | None:
+ # The "v2" compressed base64 cache format.
+ # This has been removed due to age and poor size/performance
+ # characteristics, so we treat it as a miss.
+ return None
+
+ def _loads_v3(
+ self,
+ request: PreparedRequest,
+ data: bytes,
+ body_file: IO[bytes] | None = None,
+ ) -> None:
+ # Due to Python 2 encoding issues, it's impossible to know for sure
+ # exactly how to load v3 entries, thus we'll treat these as a miss so
+ # that they get rewritten out as v4 entries.
+ return None
+
+ def _loads_v4(
+ self,
+ request: PreparedRequest,
+ data: bytes,
+ body_file: IO[bytes] | None = None,
+ ) -> HTTPResponse | None:
+ try:
+ cached = msgpack.loads(data, raw=False)
+ except ValueError:
+ return None
+
+ return self.prepare_response(request, cached, body_file)
diff --git a/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/wrapper.py b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/wrapper.py
new file mode 100644
index 0000000..f618bc3
--- /dev/null
+++ b/venv/lib/python3.11/site-packages/pip/_vendor/cachecontrol/wrapper.py
@@ -0,0 +1,43 @@
+# SPDX-FileCopyrightText: 2015 Eric Larson
+#
+# SPDX-License-Identifier: Apache-2.0
+from __future__ import annotations
+
+from typing import TYPE_CHECKING, Collection
+
+from pip._vendor.cachecontrol.adapter import CacheControlAdapter
+from pip._vendor.cachecontrol.cache import DictCache
+
+if TYPE_CHECKING:
+ from pip._vendor import requests
+
+ from pip._vendor.cachecontrol.cache import BaseCache
+ from pip._vendor.cachecontrol.controller import CacheController
+ from pip._vendor.cachecontrol.heuristics import BaseHeuristic
+ from pip._vendor.cachecontrol.serialize import Serializer
+
+
+def CacheControl(
+ sess: requests.Session,
+ cache: BaseCache | None = None,
+ cache_etags: bool = True,
+ serializer: Serializer | None = None,
+ heuristic: BaseHeuristic | None = None,
+ controller_class: type[CacheController] | None = None,
+ adapter_class: type[CacheControlAdapter] | None = None,
+ cacheable_methods: Collection[str] | None = None,
+) -> requests.Session:
+ cache = DictCache() if cache is None else cache
+ adapter_class = adapter_class or CacheControlAdapter
+ adapter = adapter_class(
+ cache,
+ cache_etags=cache_etags,
+ serializer=serializer,
+ heuristic=heuristic,
+ controller_class=controller_class,
+ cacheable_methods=cacheable_methods,
+ )
+ sess.mount("http://", adapter)
+ sess.mount("https://", adapter)
+
+ return sess