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[common] implement '"user-agent": "+PRESET"'

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support using a 'User-Agent' header preset, e.g. "+firefox"
This commit is contained in:
Mike Fährmann
2026-01-03 19:23:50 +01:00
parent c745a57bd7
commit 2cfe2b3b04
2 changed files with 23 additions and 3 deletions
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11
gallery_dl/extractor/common.py
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@@ -475,6 +475,17 @@ class Extractor():
headers["User-Agent"] = _browser_useragent(None)
elif custom_ua[0] == "@":
headers["User-Agent"] = _browser_useragent(custom_ua[1:])
elif custom_ua[0] == "+":
custom_ua = custom_ua[1:].lower()
if custom_ua in {"firefox", "ff"}:
headers["User-Agent"] = util.USERAGENT_FIREFOX
elif custom_ua in {"chrome", "cr"}:
headers["User-Agent"] = util.USERAGENT_CHROME
elif custom_ua in {"gallery-dl", "gallerydl", "gdl"}:
headers["User-Agent"] = util.USERAGENT_GALLERYDL
else:
self.log.warning(
"Unsupported User-Agent preset '%s'", custom_ua)
elif self.useragent is Extractor.useragent and not self.browser or \
custom_ua is not config.get(("extractor",), "user-agent"):
headers["User-Agent"] = custom_ua