compat.py
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import sys
PY2 = sys.version_info[0] == 2
PY3 = not PY2
if PY2:
string_types = basestring,
text_type = unicode
else:
string_types = str,
text_type = str
def text_(s, encoding='latin-1', errors='strict'):
""" If ``s`` is an instance of ``bytes``, return ``s.decode(encoding,
errors)``, otherwise return ``s``"""
if isinstance(s, bytes):
return s.decode(encoding, errors)
return s # pragma: no cover
if PY2:
def is_nonstr_iter(v):
return hasattr(v, '__iter__')
else:
def is_nonstr_iter(v):
if isinstance(v, str):
return False
return hasattr(v, '__iter__')
try:
xrange = xrange
except NameError: # pragma: no cover
xrange = range
try:
from cPickle import loads, dumps, HIGHEST_PROTOCOL
except ImportError: # pragma: no cover
from pickle import loads, dumps, HIGHEST_PROTOCOL