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Fix crash on IncompleteRead, which killed the first live run 

The first scheduled run of #1157's workflows failed outright: a server
started a chunked HTTP response and then hung up mid-chunk, which
urllib surfaces as http.client.IncompleteRead - a subclass of
http.client.HTTPException, not of OSError/URLError/ValueError, so
probe()'s except clause let it propagate and took the whole run down
before it wrote anything to --json, including check_channels_fast.yml's
run.jsonl.

Catch http.client.HTTPException alongside the existing exceptions and
treat it as unreachable, same as any other broken connection. Verified
against the exact exception (mocked) and against the live lists.
pull/1158/head
Kálmán „KAMI” Szalai 2026-09-04 11:49:36 +02:00
parent e52f1b34d8
commit 017955ad9e
1 changed files with 5 additions and 1 deletions
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6
check_channels.py
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@ -51,6 +51,7 @@ Usage:
""" """
import argparse import argparse
import http.client
import json import json
import os import os
import re import re
@ -139,7 +140,10 @@ def probe(url, timeout):
if error.code in REFUSING_CODES: if error.code in REFUSING_CODES:
return REFUSED return REFUSED
return UNREACHABLE return UNREACHABLE
except (urllib.error.URLError, OSError, ValueError): except (urllib.error.URLError, OSError, ValueError, http.client.HTTPException):
# http.client.HTTPException covers a server that started a chunked
# response and then hung up mid-chunk (IncompleteRead) and similar
# low-level protocol violations - a broken connection, not a bad URL
return UNREACHABLE return UNREACHABLE
return OK if looks_like_a_playlist(head) else GONE return OK if looks_like_a_playlist(head) else GONE