Whole file

jawah/charset_normalizer

The author described this change as “fix: return 0.0 multi_byte_usage for empty payloads (#774)”. It counts as a record because the check below fails on the code as it stood at 667b93c92 and passes on 017c75c26, with nothing else changed between the two runs.

Projectjawah/charset_normalizer

Fix saved2026-07-19

Sharing licenceMIT · LICENSE

Change size+5 −1

What the code was meant to do, written into the code itself as a save note

fix: return 0.0 multi_byte_usage for empty payloads (#774)

The change

72	72
73	73		@property
74	74		def multi_byte_usage(self) -> float:
75		-	return 1.0 - (len(str(self)) / len(self.raw))
	75	+	# Empty payloads are valid (from_bytes(b"") returns a match); avoid /0.
	76	+	raw_len = len(self.raw)
	77	+	if raw_len == 0:
	78	+	return 0.0
	79	+	return 1.0 - (len(str(self)) / raw_len)
76	80
77	81		def __str__(self) -> str:
78	82		# Lazy Str Loading

The check that tells the two apart

fail→pass·tests/test_base_detection.py::test_empty

Check file tests/test_base_detection.py, taken without changes from the fix and copied onto the older code, so the exact same check runs against both versions.

Origin and history

The fix017c75c267b6d0bb04d9db0c1115ea7184b97059

The code before it667b93c9243cc650354562b871fcfcc35282fe97

Broken version dated2026-07-19

Modulecharset_normalizer.models

Units changedCharsetMatch

Fingerprinta4612e210d0ab546

Checked2026-08-18 by goldset/0.1

Every field above is generated by our program. None of it is written by hand.

What the code was meant to do, written into the code itself as a save note

The change

The check that tells the two apart

Origin and history

Other bugs found in jawah/charset_normalizer