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Avoid calling rstrip on None

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When we receive a SyntaxError, it is not guaranteed to have a token that
includes the physical line causing the issue. If it does not, we now
will avoid trying to determine the number of rows and columns that are
actually there and default to what the error tells us.

Closes #279
This commit is contained in:
Ian Cordasco 2017-01-27 15:22:49 -06:00
parent 9145674cf2
commit 7ca05a9ca1
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1 changed files with 15 additions and 10 deletions
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25
src/flake8/checker.py
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@ -443,19 +443,24 @@ class FileChecker(object):
# numbers. We need to decrement the column number by 1 at
# least.
column_offset = 1
row_offset = 0
# See also: https://gitlab.com/pycqa/flake8/issues/237
physical_line = token[-1]
# NOTE(sigmavirus24): SyntaxErrors also don't exactly have a
# "physical" line so much as what was accumulated by the point
# tokenizing failed.
# See also: https://gitlab.com/pycqa/flake8/issues/237
lines = physical_line.rstrip('\n').split('\n')
row_offset = len(lines) - 1
logical_line = lines[0]
logical_line_length = len(logical_line)
if column > logical_line_length:
column = logical_line_length
# NOTE(sigmavirus24): Not all "tokens" have a string as the last
# argument. In this event, let's skip trying to find the correct
# column and row values.
if physical_line is not None:
# NOTE(sigmavirus24): SyntaxErrors also don't exactly have a
# "physical" line so much as what was accumulated by the point
# tokenizing failed.
# See also: https://gitlab.com/pycqa/flake8/issues/237
lines = physical_line.rstrip('\n').split('\n')
row_offset = len(lines) - 1
logical_line = lines[0]
logical_line_length = len(logical_line)
if column > logical_line_length:
column = logical_line_length
row -= row_offset
column -= column_offset
return row, column