Handle CRLF and CR EOL in end-of-file-fixer #1163
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Case is for file using CRLF endings
Added case for which the file has mixed line endings. In this case, default into using LF for end of file line.
This reverts commit 203735e.
asottile
reviewed
May 23, 2025
| if last_character not in {LF, CR} and last_character != b'': | ||
| # Look at first line to determine line ending | ||
| file_obj.seek(0, os.SEEK_SET) | ||
| first_line = file_obj.readline() |
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this will read the whole file into memory for \r-delimited files -- and will read the whole file into memory if it has no newlines
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Ok, I see your point. What about leaving aside the detection logic and have an optional argument for choosing the desired EOL (defaulting to |
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Second attempt :-)
Correctly adding last-line ending based on the one detected at the first line.
Basically fixes the behavior for CRLF and CR based files.