import shlex
import shutil
import socket
+import struct
import subprocess
import sys
import itertools
return parsed_result
try:
- from shlex import quote as shlex_quote
+ from shlex import quote as compat_shlex_quote
except ImportError: # Python < 3.3
- def shlex_quote(s):
+ def compat_shlex_quote(s):
if re.match(r'^[-_\w./]+$', s):
return s
else:
print(s)
-try:
- subprocess_check_output = subprocess.check_output
-except AttributeError:
- def subprocess_check_output(*args, **kwargs):
- assert 'input' not in kwargs
- p = subprocess.Popen(*args, stdout=subprocess.PIPE, **kwargs)
- output, _ = p.communicate()
- ret = p.poll()
- if ret:
- raise subprocess.CalledProcessError(ret, p.args, output=output)
- return output
-
if sys.version_info < (3, 0) and sys.platform == 'win32':
def compat_getpass(prompt, *args, **kwargs):
if isinstance(prompt, compat_str):
else:
from tokenize import generate_tokens as compat_tokenize_tokenize
+
+try:
+ struct.pack('!I', 0)
+except TypeError:
+ # In Python 2.6 and 2.7.x < 2.7.7, struct requires a bytes argument
+ # See https://bugs.python.org/issue19099
+ def compat_struct_pack(spec, *args):
+ if isinstance(spec, compat_str):
+ spec = spec.encode('ascii')
+ return struct.pack(spec, *args)
+
+ def compat_struct_unpack(spec, *args):
+ if isinstance(spec, compat_str):
+ spec = spec.encode('ascii')
+ return struct.unpack(spec, *args)
+else:
+ compat_struct_pack = struct.pack
+ compat_struct_unpack = struct.unpack
+
+
__all__ = [
'compat_HTMLParser',
'compat_HTTPError',
'compat_parse_qs',
'compat_print',
'compat_setenv',
+ 'compat_shlex_quote',
'compat_shlex_split',
'compat_socket_create_connection',
'compat_str',
+ 'compat_struct_pack',
+ 'compat_struct_unpack',
'compat_subprocess_get_DEVNULL',
'compat_tokenize_tokenize',
'compat_urllib_error',
'compat_urlretrieve',
'compat_xml_parse_error',
'compat_xpath',
- 'shlex_quote',
- 'subprocess_check_output',
'workaround_optparse_bug9161',
]