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[networking] Ignore invalid proxies in env (#7704)

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Authored by: coletdjnz
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coletdjnz 2023-07-28 02:56:02 +12:00 • committed by GitHub
commit bbeacff7fc
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3 changed files with 19 additions and 7 deletions
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8
yt_dlp/utils/networking.py
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@ -98,7 +98,13 @@ def clean_proxies(proxies: dict, headers: HTTPHeaderDict):
continue
if proxy_url is not None:
# Ensure proxies without a scheme are http.
proxy_scheme = urllib.request._parse_proxy(proxy_url)[0]
try:
proxy_scheme = urllib.request._parse_proxy(proxy_url)[0]
except ValueError:
# Ignore invalid proxy URLs. Sometimes these may be introduced through environment
# variables unrelated to proxy settings - e.g. Colab `COLAB_LANGUAGE_SERVER_PROXY`.
# If the proxy is going to be used, the Request Handler proxy validation will handle it.
continue
if proxy_scheme is None:
proxies[proxy_key] = 'http://' + remove_start(proxy_url, '//')