Commit 4ba7e6c8 authored by Marek Marczykowski-Górecki's avatar Marek Marczykowski-Górecki Committed by Chris Lamb

comparators/json: Try fuzzy matching for non-text files too. (Closes: #909122)

Non-text files have even less change being json files, so this fuzzy early
elimination is even more useful for them.  In particular, it avoids loading
large files (like ISO images) just to discover it isn't a JSON format.
Signed-off-by: Chris Lamb's avatarChris Lamb <>
parent 34898e40
Pipeline #19356 failed with stage
in 3 minutes and 37 seconds
......@@ -37,11 +37,7 @@ class JSONFile(File):
def recognizes(cls, file):
with open(file.path, 'rb') as f:
# Try fuzzy matching for JSON files
is_text = any(
for x in ('ASCII text', 'UTF-8 Unicode text')
if is_text and not'.json'):
if not'.json'):
buf =
if not any(x in buf for x in b'{['):
return False
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