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Warn users on 32-bit Pythons on 64-bit windows #7641

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Merged
reaperhulk merged 1 commit into from
Sep 24, 2022
Merged

Warn users on 32-bit Pythons on 64-bit windows #7641

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16 changes: 15 additions & 1 deletion src/cryptography/hazmat/bindings/openssl/binding.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,10 +2,12 @@
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.


import os
import sys
import threading
import types
import typing
import warnings

import cryptography
from cryptography.exceptions import InternalError
Expand Down Expand Up @@ -213,3 +215,15 @@ def _verify_package_version(version: str) -> None:
_verify_package_version(cryptography.__version__)

Binding.init_static_locks()

if (
sys.platform == "win32"
and os.environ.get("PROCESSOR_ARCHITEW6432") is not None
):
warnings.warn(
"You are using cryptography on a 32-bit Python on a 64-bit Windows "
"Operating System. Cryptography will be significantly faster if you "
"switch to using a 64-bit Python.",
UserWarning,
stacklevel=2,
)