def cat_file_to_cmd(file, command, ignore_status=False, return_output=False):
"""
equivalent to 'cat file | command' but knows to use
zcat or bzcat if appropriate
"""
if not os.path.isfile(file):
raise NameError("invalid file %s to cat to command %s" % (file, command))
if return_output:
run_cmd_to = system_output
else:
run_cmd_to = system
if magic.guess_type(file) == "application/x-bzip2":
cat = "bzcat"
elif magic.guess_type(file) == "application/x-gzip":
cat = "zcat"
else:
cat = "cat"
return run_cmd_to("%s %s | %s" % (cat, file, command), ignore_status=ignore_status)
def cat_file_to_cmd(file, command, ignore_status=False, return_output=False):
"""
equivalent to 'cat file | command' but knows to use
zcat or bzcat if appropriate
"""
if not os.path.isfile(file):
raise NameError('invalid file %s to cat to command %s'
% (file, command))
if return_output:
run_cmd_to = system_output
else:
run_cmd_to = system
if magic.guess_type(file) == 'application/x-bzip2':
cat = 'bzcat'
elif magic.guess_type(file) == 'application/x-gzip':
cat = 'zcat'
else:
cat = 'cat'
return run_cmd_to('%s %s | %s' % (cat, file, command), ignore_status=ignore_status)
def guess(path):
fp = file(path,'rb')
try:
return magic.guess_type(fp.read(256))
finally:
fp.close()
def test_partial_mask_match1(self):
self.assertEqual(magic.guess_type('\x00123456789'), None)
def test_partial_mask_match0(self):
self.assertEqual(magic.guess_type('\x00'), None)
def test_empty_file(self):
self.assertEqual(magic.guess_type(''), None)