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author | S. Solomon Darnell | 2025-03-28 21:52:21 -0500 |
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committer | S. Solomon Darnell | 2025-03-28 21:52:21 -0500 |
commit | 4a52a71956a8d46fcb7294ac71734504bb09bcc2 (patch) | |
tree | ee3dc5af3b6313e921cd920906356f5d4febc4ed /.venv/lib/python3.12/site-packages/httpx/_compat.py | |
parent | cc961e04ba734dd72309fb548a2f97d67d578813 (diff) | |
download | gn-ai-master.tar.gz |
Diffstat (limited to '.venv/lib/python3.12/site-packages/httpx/_compat.py')
-rw-r--r-- | .venv/lib/python3.12/site-packages/httpx/_compat.py | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/httpx/_compat.py b/.venv/lib/python3.12/site-packages/httpx/_compat.py new file mode 100644 index 00000000..7d86dced --- /dev/null +++ b/.venv/lib/python3.12/site-packages/httpx/_compat.py @@ -0,0 +1,63 @@ +""" +The _compat module is used for code which requires branching between different +Python environments. It is excluded from the code coverage checks. +""" + +import re +import ssl +import sys +from types import ModuleType +from typing import Optional + +# Brotli support is optional +# The C bindings in `brotli` are recommended for CPython. +# The CFFI bindings in `brotlicffi` are recommended for PyPy and everything else. +try: + import brotlicffi as brotli +except ImportError: # pragma: no cover + try: + import brotli + except ImportError: + brotli = None + +# Zstandard support is optional +zstd: Optional[ModuleType] = None +try: + import zstandard as zstd +except (AttributeError, ImportError, ValueError): # Defensive: + zstd = None +else: + # The package 'zstandard' added the 'eof' property starting + # in v0.18.0 which we require to ensure a complete and + # valid zstd stream was fed into the ZstdDecoder. + # See: https://github.com/urllib3/urllib3/pull/2624 + _zstd_version = tuple( + map(int, re.search(r"^([0-9]+)\.([0-9]+)", zstd.__version__).groups()) # type: ignore[union-attr] + ) + if _zstd_version < (0, 18): # Defensive: + zstd = None + + +if sys.version_info >= (3, 10) or ssl.OPENSSL_VERSION_INFO >= (1, 1, 0, 7): + + def set_minimum_tls_version_1_2(context: ssl.SSLContext) -> None: + # The OP_NO_SSL* and OP_NO_TLS* become deprecated in favor of + # 'SSLContext.minimum_version' from Python 3.7 onwards, however + # this attribute is not available unless the ssl module is compiled + # with OpenSSL 1.1.0g or newer. + # https://docs.python.org/3.10/library/ssl.html#ssl.SSLContext.minimum_version + # https://docs.python.org/3.7/library/ssl.html#ssl.SSLContext.minimum_version + context.minimum_version = ssl.TLSVersion.TLSv1_2 + +else: + + def set_minimum_tls_version_1_2(context: ssl.SSLContext) -> None: + # If 'minimum_version' isn't available, we configure these options with + # the older deprecated variants. + context.options |= ssl.OP_NO_SSLv2 + context.options |= ssl.OP_NO_SSLv3 + context.options |= ssl.OP_NO_TLSv1 + context.options |= ssl.OP_NO_TLSv1_1 + + +__all__ = ["brotli", "set_minimum_tls_version_1_2"] |