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Fix indent calculation with tabs when computing prefixes (#595)

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Closes #262
This commit is contained in:
Samuel Cormier-Iijima 2019-02-04 21:55:01 -05:00 committed by Jelle Zijlstra
parent f6643c4f0c
commit 66aa676278
2 changed files with 14 additions and 3 deletions
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4
blib2to3/pgen2/driver.py
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@ -131,10 +131,8 @@ def _partially_consume_prefix(self, prefix, column):
current_line = ""
current_column = 0
wait_for_nl = False
elif char == ' ':
elif char in ' \t':
current_column += 1
elif char == '\t':
current_column += 4
elif char == '\n':
# unexpected empty line
current_column = 0

13
tests/test_black.py
View File

@ -509,6 +509,19 @@ def test_bracket_match(self) -> None:
black.assert_equivalent(source, actual)
black.assert_stable(source, actual, line_length=ll)
def test_comment_indentation(self) -> None:
contents_tab = "if 1:\n\tif 2:\n\t\tpass\n\t# comment\n\tpass\n"
contents_spc = "if 1:\n if 2:\n pass\n # comment\n pass\n"
self.assertFormatEqual(fs(contents_spc), contents_spc)
self.assertFormatEqual(fs(contents_tab), contents_spc)
contents_tab = "if 1:\n\tif 2:\n\t\tpass\n\t\t# comment\n\tpass\n"
contents_spc = "if 1:\n if 2:\n pass\n # comment\n pass\n"
self.assertFormatEqual(fs(contents_tab), contents_spc)
self.assertFormatEqual(fs(contents_spc), contents_spc)
def test_report_verbose(self) -> None:
report = black.Report(verbose=True)
out_lines = []