[facebook] Bypass download rate limits (closes #21018)

2297c0d7 · Sergey M․ · 824fa511 · 2297c0d7
Unverified Commit 2297c0d7 authored Oct 19, 2019 by Sergey M․
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youtube_dl/extractor/facebook.py youtube_dl/extractor/facebook.py +5 -0

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--- a/youtube_dl/extractor/facebook.py
+++ b/youtube_dl/extractor/facebook.py
@@ -405,6 +405,11 @@ class FacebookIE(InfoExtractor):
        if not formats:
            raise ExtractorError('Cannot find video formats')

+        # Downloads with browser's User-Agent are rate limited. Working around
+        # with non-browser User-Agent.
+        for f in formats:
+            f.setdefault('http_headers', {})['User-Agent'] = 'facebookexternalhit/1.1'
+
        self._sort_formats(formats)

        video_title = self._html_search_regex(