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# -*- coding: utf-8 -*-
"""
thriftpy._compat
~~~~~~~~~~~~~
py2/py3 compatibility support.
"""
from __future__ import absolute_import
import platform
import sys
PY3 = sys.version_info[0] == 3
PYPY = "__pypy__" in sys.modules
UNIX = platform.system() in ("Linux", "Darwin")
CYTHON = UNIX and not PYPY # Cython always disabled in pypy and windows
# only python2.7.9 and python 3.4 or above have true ssl context
MODERN_SSL = (2, 7, 9) <= sys.version_info < (3, 0, 0) or \
sys.version_info >= (3, 4)
if PY3:
text_type = str
string_types = (str,)
from urllib.request import urlopen
from urllib.parse import urlparse
def u(s):
return s
else:
text_type = unicode # noqa
string_types = (str, unicode) # noqa
from urllib2 import urlopen
from urlparse import urlparse
def u(s):
if not isinstance(s, text_type):
s = s.decode("utf-8")
return s
def with_metaclass(meta, *bases):
"""Create a base class with a metaclass for py2 & py3
This code snippet is copied from six."""
# This requires a bit of explanation: the basic idea is to make a
# dummy metaclass for one level of class instantiation that replaces
# itself with the actual metaclass. Because of internal type checks
# we also need to make sure that we downgrade the custom metaclass
# for one level to something closer to type (that's why __call__ and
# __init__ comes back from type etc.).
class metaclass(meta):
__call__ = type.__call__
__init__ = type.__init__
def __new__(cls, name, this_bases, d):
if this_bases is None:
return type.__new__(cls, name, (), d)
return meta(name, bases, d)
return metaclass('temporary_class', None, {})
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