import sys

py2k = sys.version_info < (3, 0)
py3k = sys.version_info >= (3, 0)
py32 = sys.version_info >= (3, 2)
py27 = sys.version_info >= (2, 7)
jython = sys.platform.startswith('java')
win32 = sys.platform.startswith('win')

try:
    import threading
except ImportError:
    import dummy_threading as threading  # noqa


if py3k:  # pragma: no cover
    string_types = str,
    text_type = str
    string_type = str

    if py32:
        callable = callable
    else:
        def callable(fn):
            return hasattr(fn, '__call__')

    def u(s):
        return s

    def ue(s):
        return s

    import configparser
    import io
    import _thread as thread
else:
    string_types = basestring,
    text_type = unicode
    string_type = str

    def u(s):
        return unicode(s, "utf-8")

    def ue(s):
        return unicode(s, "unicode_escape")

    import ConfigParser as configparser  # noqa
    import StringIO as io   # noqa

    callable = callable  # noqa
    import thread  # noqa


if py3k:
    import collections
    ArgSpec = collections.namedtuple(
        "ArgSpec",
        ["args", "varargs", "keywords", "defaults"])

    from inspect import getfullargspec as inspect_getfullargspec

    def inspect_getargspec(func):
        return ArgSpec(
            *inspect_getfullargspec(func)[0:4]
        )
else:
    from inspect import getargspec as inspect_getargspec  # noqa

if py3k or jython:
    import pickle
else:
    import cPickle as pickle  # noqa

if py3k:
    def read_config_file(config, fileobj):
        return config.read_file(fileobj)
else:
    def read_config_file(config, fileobj):
        return config.readfp(fileobj)


def timedelta_total_seconds(td):
    if py27:
        return td.total_seconds()
    else:
        return (td.microseconds + (
            td.seconds + td.days * 24 * 3600) * 1e6) / 1e6