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[utils] Sanitize look-alike Unicode glyphs in non-ID filename fields when --restrict-filenames
Implements https://github.com/ytdl-org/youtube-dl/issues/31216#issuecomment-1236102822, which has a test.
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@ -33,6 +33,7 @@ import sys
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import tempfile
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import time
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import traceback
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import unicodedata
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import xml.etree.ElementTree
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import zlib
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@ -2118,6 +2119,9 @@ def sanitize_filename(s, restricted=False, is_id=False):
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return '_'
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return char
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# Replace look-alike Unicode glyphs
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if restricted and not is_id:
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s = unicodedata.normalize('NFKC', s)
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# Handle timestamps
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s = re.sub(r'[0-9]+(?::[0-9]+)+', lambda m: m.group(0).replace(':', '_'), s)
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result = ''.join(map(replace_insane, s))
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