summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorSerhiy Storchaka <storchaka@gmail.com>2013-01-11 20:16:15 (GMT)
committerSerhiy Storchaka <storchaka@gmail.com>2013-01-11 20:16:15 (GMT)
commitdfae912d8056d7c607a99b456c8442b28d18ffd4 (patch)
tree78903031ff37c21f148ab7f76c359ec1a1f5dec1
parent8b41c2e259be8214b984b383f3f046152b2b510d (diff)
downloadcpython-dfae912d8056d7c607a99b456c8442b28d18ffd4.zip
cpython-dfae912d8056d7c607a99b456c8442b28d18ffd4.tar.gz
cpython-dfae912d8056d7c607a99b456c8442b28d18ffd4.tar.bz2
Issue #15539: Fix backup file creation in pindent.py on Windows
-rw-r--r--Lib/test/test_tools.py1
-rwxr-xr-xTools/scripts/pindent.py34
2 files changed, 23 insertions, 12 deletions
diff --git a/Lib/test/test_tools.py b/Lib/test/test_tools.py
index 4756e4f..f60b4c7 100644
--- a/Lib/test/test_tools.py
+++ b/Lib/test/test_tools.py
@@ -57,6 +57,7 @@ class PindentTests(unittest.TestCase):
return '\n'.join(line.lstrip() for line in data.splitlines()) + '\n'
def test_selftest(self):
+ self.maxDiff = None
with temp_dir() as directory:
data_path = os.path.join(directory, '_test.py')
with open(self.script) as f:
diff --git a/Tools/scripts/pindent.py b/Tools/scripts/pindent.py
index 26d81b1..6e40d60 100755
--- a/Tools/scripts/pindent.py
+++ b/Tools/scripts/pindent.py
@@ -76,6 +76,8 @@
# - realign comments
# - optionally do much more thorough reformatting, a la C indent
+from __future__ import print_function
+
# Defaults
STEPSIZE = 8
TABSIZE = 8
@@ -370,6 +372,23 @@ def reformat_string(source, stepsize = STEPSIZE, tabsize = TABSIZE, expandtabs =
return output.getvalue()
# end def reformat_string
+def make_backup(filename):
+ import os, os.path
+ backup = filename + '~'
+ if os.path.lexists(backup):
+ try:
+ os.remove(backup)
+ except os.error:
+ print("Can't remove backup %r" % (backup,), file=sys.stderr)
+ # end try
+ # end if
+ try:
+ os.rename(filename, backup)
+ except os.error:
+ print("Can't rename %r to %r" % (filename, backup), file=sys.stderr)
+ # end try
+# end def make_backup
+
def complete_file(filename, stepsize = STEPSIZE, tabsize = TABSIZE, expandtabs = EXPANDTABS):
with open(filename, 'r') as f:
source = f.read()
@@ -377,10 +396,7 @@ def complete_file(filename, stepsize = STEPSIZE, tabsize = TABSIZE, expandtabs =
result = complete_string(source, stepsize, tabsize, expandtabs)
if source == result: return 0
# end if
- import os
- try: os.rename(filename, filename + '~')
- except os.error: pass
- # end try
+ make_backup(filename)
with open(filename, 'w') as f:
f.write(result)
# end with
@@ -394,10 +410,7 @@ def delete_file(filename, stepsize = STEPSIZE, tabsize = TABSIZE, expandtabs = E
result = delete_string(source, stepsize, tabsize, expandtabs)
if source == result: return 0
# end if
- import os
- try: os.rename(filename, filename + '~')
- except os.error: pass
- # end try
+ make_backup(filename)
with open(filename, 'w') as f:
f.write(result)
# end with
@@ -411,10 +424,7 @@ def reformat_file(filename, stepsize = STEPSIZE, tabsize = TABSIZE, expandtabs =
result = reformat_string(source, stepsize, tabsize, expandtabs)
if source == result: return 0
# end if
- import os
- try: os.rename(filename, filename + '~')
- except os.error: pass
- # end try
+ make_backup(filename)
with open(filename, 'w') as f:
f.write(result)
# end with