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- """
- The _compat module is used for code which requires branching between different
- Python environments. It is excluded from the code coverage checks.
- """
- import ssl
- import sys
- # 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
- 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"]
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