/usr/lib/python3/dist-packages/amqp/utils.py is in python3-amqp 2.2.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 | """Compatibility utilities."""
from __future__ import absolute_import, unicode_literals
import logging
import sys
# enables celery 3.1.23 to start again
from vine import promise # noqa
from vine.utils import wraps
from .five import string_t
is_py3k = sys.version_info[0] == 3
try:
import fcntl
except ImportError: # pragma: no cover
fcntl = None # noqa
try:
from os import set_cloexec # Python 3.4?
except ImportError: # pragma: no cover
def set_cloexec(fd, cloexec): # noqa
"""Set flag to close fd after exec."""
if fcntl is None:
return
try:
FD_CLOEXEC = fcntl.FD_CLOEXEC
except AttributeError:
raise NotImplementedError(
'close-on-exec flag not supported on this platform',
)
flags = fcntl.fcntl(fd, fcntl.F_GETFD)
if cloexec:
flags |= FD_CLOEXEC
else:
flags &= ~FD_CLOEXEC
return fcntl.fcntl(fd, fcntl.F_SETFD, flags)
def get_errno(exc):
"""Get exception errno (if set).
Notes:
:exc:`socket.error` and :exc:`IOError` first got
the ``.errno`` attribute in Py2.7.
"""
try:
return exc.errno
except AttributeError:
try:
# e.args = (errno, reason)
if isinstance(exc.args, tuple) and len(exc.args) == 2:
return exc.args[0]
except AttributeError:
pass
return 0
def coro(gen):
"""Decorator to mark generator as a co-routine."""
@wraps(gen)
def _boot(*args, **kwargs):
co = gen(*args, **kwargs)
next(co)
return co
return _boot
if is_py3k: # pragma: no cover
def str_to_bytes(s):
"""Convert str to bytes."""
if isinstance(s, str):
return s.encode()
return s
def bytes_to_str(s):
"""Convert bytes to str."""
if isinstance(s, bytes):
return s.decode()
return s
else:
def str_to_bytes(s): # noqa
"""Convert str to bytes."""
if isinstance(s, unicode):
return s.encode()
return s
def bytes_to_str(s): # noqa
"""Convert bytes to str."""
return s
class NullHandler(logging.Handler):
"""A logging handler that does nothing."""
def emit(self, record):
pass
def get_logger(logger):
"""Get logger by name."""
if isinstance(logger, string_t):
logger = logging.getLogger(logger)
if not logger.handlers:
logger.addHandler(NullHandler())
return logger
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