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Fixes #10639: reindent.py should not convert newlines

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reindent.py now will use the newline detected in the original file and will report an error if mixed newlines are encountered.
This commit is contained in:
Jason R. Coombs 2011-07-26 11:18:40 -04:00
parent 45dedaafc2
commit 76748b7033
2 changed files with 18 additions and 3 deletions
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6
Misc/NEWS
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@ -310,6 +310,12 @@ Build
"make install" creates symlinks in --prefix bin for the "-32" files in the "make install" creates symlinks in --prefix bin for the "-32" files in the
framework bin directory like the installer does. framework bin directory like the installer does.
Tools/Demos
-----------
- Issue #10639: reindent.py no longer converts newlines and will raise
an error if attempting to convert a file with mixed newlines.
Tests Tests
----- -----

13
Tools/scripts/reindent.py
View file

@ -35,7 +35,7 @@ tabnanny.py, reindent should do a good job.
The backup file is a copy of the one that is being reindented. The ".bak" The backup file is a copy of the one that is being reindented. The ".bak"
file is generated with shutil.copy(), but some corner cases regarding file is generated with shutil.copy(), but some corner cases regarding
user/group and permissions could leave the backup file more readable that user/group and permissions could leave the backup file more readable than
you'd prefer. You can always use the --nobackup option to prevent this. you'd prefer. You can always use the --nobackup option to prevent this.
""" """
@ -118,6 +118,11 @@ def check(file):
errprint("%s: I/O Error: %s" % (file, str(msg))) errprint("%s: I/O Error: %s" % (file, str(msg)))
return return
newline = r.newlines
if isinstance(newline, tuple):
errprint("%s: mixed newlines detected; cannot process file" % file)
return
if r.run(): if r.run():
if verbose: if verbose:
print("changed.") print("changed.")
@ -129,7 +134,7 @@ def check(file):
shutil.copyfile(file, bak) shutil.copyfile(file, bak)
if verbose: if verbose:
print("backed up", file, "to", bak) print("backed up", file, "to", bak)
with open(file, "w", encoding=encoding) as f: with open(file, "w", encoding=encoding, newline=newline) as f:
r.write(f) r.write(f)
if verbose: if verbose:
print("wrote new", file) print("wrote new", file)
@ -177,6 +182,10 @@ class Reindenter:
# indeed, they're our headache! # indeed, they're our headache!
self.stats = [] self.stats = []
# Save the newlines found in the file so they can be used to
# create output without mutating the newlines.
self.newlines = f.newlines
def run(self): def run(self):
tokens = tokenize.generate_tokens(self.getline) tokens = tokenize.generate_tokens(self.getline)
for _token in tokens: for _token in tokens: