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# flake8: noqa
import imp
import importlib
import sys
PY2 = sys.version_info[0] == 2
WIN = sys.platform == 'win32'
if PY2:
long = long
else:
long = int
try:
import queue
except ImportError:
import Queue as queue
try:
from _thread import interrupt_main
except ImportError:
from thread import interrupt_main
try:
from importlib.util import (
cache_from_source as get_pyc_path,
source_from_cache as get_py_path,
)
except ImportError:
if PY2:
get_pyc_path = lambda path: path + 'c'
get_py_path = lambda path: path[:-1]
# fallback on python < 3.5
else:
get_pyc_path = imp.cache_from_source
get_py_path = imp.source_from_cache
def is_watchdog_supported():
""" Return ``True`` if watchdog is available."""
try:
import watchdog
except ImportError:
return False
return True
################################################
# cross-compatible metaclass implementation
# Copyright (c) 2010-2012 Benjamin Peterson
def with_metaclass(meta, base=object):
"""Create a base class with a metaclass."""
return meta("%sBase" % meta.__name__, (base,), {})
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