blob: ad9fa83c8752727850d9bda2938865f2c49e6d48 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
# flake8: noqa: F405
from urllib.request import * # noqa: F403
from ..compat_utils import passthrough_module
passthrough_module(__name__, 'urllib.request')
del passthrough_module
from .. import compat_os_name
if compat_os_name == 'nt':
# On older Python versions, proxies are extracted from Windows registry erroneously. [1]
# If the https proxy in the registry does not have a scheme, urllib will incorrectly add https:// to it. [2]
# It is unlikely that the user has actually set it to be https, so we should be fine to safely downgrade
# it to http on these older Python versions to avoid issues
# This also applies for ftp proxy type, as ftp:// proxy scheme is not supported.
# 1: https://github.com/python/cpython/issues/86793
# 2: https://github.com/python/cpython/blob/51f1ae5ceb0673316c4e4b0175384e892e33cc6e/Lib/urllib/request.py#L2683-L2698
import sys
from urllib.request import getproxies_environment, getproxies_registry
def getproxies_registry_patched():
proxies = getproxies_registry()
if (
sys.version_info >= (3, 10, 5) # https://docs.python.org/3.10/whatsnew/changelog.html#python-3-10-5-final
or (3, 9, 13) <= sys.version_info < (3, 10) # https://docs.python.org/3.9/whatsnew/changelog.html#python-3-9-13-final
):
return proxies
for scheme in ('https', 'ftp'):
if scheme in proxies and proxies[scheme].startswith(f'{scheme}://'):
proxies[scheme] = 'http' + proxies[scheme][len(scheme):]
return proxies
def getproxies():
return getproxies_environment() or getproxies_registry_patched()
del compat_os_name
|
