def force_removal(func, path, excinfo):
'''
This is the only way to ensure that readonly files are deleted by
rmtree on Windows. See: http://bugs.python.org/issue19643
'''
# Due to the way 'onerror' is implemented in shutil.rmtree, errors
# encountered while listing directories cannot be recovered from. So if
# a directory cannot be listed, shutil.rmtree assumes that it is empty
# and it tries to call os.remove() on it which fails. This is just one
# way in which this can fail, so for robustness we just call 'rm' if we
# get an OSError while trying to remove a specific path.
# See: http://bugs.python.org/issue8523
try:
os.chmod(path, stat.S_IWRITE)
func(path)
except OSError:
shell_call('rm -rf ' + path)
def force_removal(func, path, excinfo):
'''
This is the only way to ensure that readonly files are deleted by
rmtree on Windows. See: http://bugs.python.org/issue19643
'''
# Due to the way 'onerror' is implemented in shutil.rmtree, errors
# encountered while listing directories cannot be recovered from. So if
# a directory cannot be listed, shutil.rmtree assumes that it is empty
# and it tries to call os.remove() on it which fails. This is just one
# way in which this can fail, so for robustness we just call 'rm' if we
# get an OSError while trying to remove a specific path.
# See: http://bugs.python.org/issue8523
try:
os.chmod(path, stat.S_IWRITE)
func(path)
except OSError:
shell_call('rm -rf ' + path)