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Fix added / removed counts for `format`

This commit is contained in:
Zanie 2023-10-26 15:52:00 -05:00
parent ce290076b8
commit 615e56906e
1 changed files with 12 additions and 4 deletions
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16
python/ruff-ecosystem/ruff_ecosystem/types.py
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@ -24,12 +24,20 @@ class Serializable(abc.ABC):
class Diff(Serializable):
def __init__(self, lines: Iterable[str]) -> None:
def __init__(self, lines: Iterable[str], leading_spaces: int = 0) -> None:
self.lines = list(lines)
# Compute added and removed lines once
self.added = list(line[2:] for line in self.lines if line.startswith("+ "))
self.removed = list(line[2:] for line in self.lines if line.startswith("- "))
self.added = list(
line[2:]
for line in self.lines
if line.startswith("+" + " " * leading_spaces)
)
self.removed = list(
line[2:]
for line in self.lines
if line.startswith("-" + " " * leading_spaces)
)
def __bool__(self) -> bool:
return bool(self.added or self.removed)
@ -50,7 +58,7 @@ class Diff(Serializable):
"""
Construct a diff from before and after.
"""
return cls(difflib.ndiff(baseline, comparison))
return cls(difflib.ndiff(baseline, comparison), leading_spaces=1)
def without_unchanged_lines(self) -> Diff:
return Diff(