mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-09-17 06:06:25 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 9

Issue #9509: make argarse properly handle IOErrors raised by argparse.FileType. Approved by Georg in the tracker.

Browse source
This commit is contained in:
Steven Bethard 2011-01-24 20:40:15 +00:00
parent cdb8388cad
commit f8583acb53
3 changed files with 25 additions and 14 deletions
Download patch file Download diff file Expand all files Collapse all files

13
Lib/argparse.py
View file

@ -1109,7 +1109,7 @@ class FileType(object):
the builtin open() function.
"""
def __init__(self, mode='r', bufsize=None):
def __init__(self, mode='r', bufsize=-1):
self._mode = mode
self._bufsize = bufsize
@ -1125,14 +1125,15 @@ class FileType(object):
raise ValueError(msg)
# all other arguments are used as file names
if self._bufsize:
try:
return open(string, self._mode, self._bufsize)
else:
return open(string, self._mode)
except IOError as e:
message = _("can't open '%s': %s")
raise ArgumentTypeError(message % (string, e))
def __repr__(self):
args = [self._mode, self._bufsize]
args_str = ', '.join([repr(arg) for arg in args if arg is not None])
args = self._mode, self._bufsize
args_str = ', '.join(repr(arg) for arg in args if arg != -1)
return '%s(%s)' % (type(self).__name__, args_str)
# ===========================