Current File : //usr/lib/python2.7/site-packages/jmespath/compat.py
import sys
import inspect
PY2 = sys.version_info[0] == 2
def with_metaclass(meta, *bases):
# Taken from flask/six.
class metaclass(meta):
def __new__(cls, name, this_bases, d):
return meta(name, bases, d)
return type.__new__(metaclass, 'temporary_class', (), {})
if PY2:
text_type = unicode
string_type = basestring
from itertools import izip_longest as zip_longest
def with_str_method(cls):
"""Class decorator that handles __str__ compat between py2 and py3."""
# In python2, the __str__ should be __unicode__
# and __str__ should return bytes.
cls.__unicode__ = cls.__str__
def __str__(self):
return self.__unicode__().encode('utf-8')
cls.__str__ = __str__
return cls
def with_repr_method(cls):
"""Class decorator that handle __repr__ with py2 and py3."""
# This is almost the same thing as with_str_method *except*
# it uses the unicode_escape encoding. This also means we need to be
# careful encoding the input multiple times, so we only encode
# if we get a unicode type.
original_repr_method = cls.__repr__
def __repr__(self):
original_repr = original_repr_method(self)
if isinstance(original_repr, text_type):
original_repr = original_repr.encode('unicode_escape')
return original_repr
cls.__repr__ = __repr__
return cls
def get_methods(cls):
for name, method in inspect.getmembers(cls,
predicate=inspect.ismethod):
yield name, method
else:
text_type = str
string_type = str
from itertools import zip_longest
def with_str_method(cls):
# In python3, we don't need to do anything, we return a str type.
return cls
def with_repr_method(cls):
return cls
def get_methods(cls):
for name, method in inspect.getmembers(cls,
predicate=inspect.isfunction):
yield name, method
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