pythonVSCode/pythonFiles/isort/pie_slice.py at master · rmagee/pythonVSCode · GitHub

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"""pie_slice/overrides.py.

Overrides Python syntax to conform to the Python3 version as much as possible using a '*' import

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated

documentation files (the "Software"), to deal in the Software without restriction, including without limitation

the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and

to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or

substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED

TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL

THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF

CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR

OTHER DEALINGS IN THE SOFTWARE.

"""

from __future__ import absolute_import

import abc

import functools

import sys

from numbers import Integral

__version__ = "1.1.0"

PY2 = sys.version_info[0] == 2

PY3 = sys.version_info[0] == 3

VERSION = sys.version_info

native_dict = dict

native_round = round

native_filter = filter

native_map = map

native_zip = zip

native_range = range

native_str = str

native_chr = chr

native_input = input

native_next = next

native_object = object

common = ['native_dict', 'native_round', 'native_filter', 'native_map', 'native_range', 'native_str', 'native_chr',

'native_input', 'PY2', 'PY3', 'u', 'itemsview', 'valuesview', 'keysview', 'execute', 'integer_types',

'native_next', 'native_object', 'with_metaclass', 'OrderedDict', 'lru_cache']

def with_metaclass(meta, *bases):

"""Enables use of meta classes across Python Versions. taken from jinja2/_compat.py.

Use it like this::

class BaseForm(object):

pass

class FormType(type):

pass

class Form(with_metaclass(FormType, BaseForm)):

pass

"""

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, {})

def unmodified_isinstance(*bases):

"""When called in the form

MyOverrideClass(unmodified_isinstance(BuiltInClass))

it allows calls against passed in built in instances to pass even if there not a subclass

"""

class UnmodifiedIsInstance(type):

if sys.version_info[0] == 2 and sys.version_info[1] <= 6:

@classmethod

def __instancecheck__(cls, instance):

if cls.__name__ in (str(base.__name__) for base in bases):

return isinstance(instance, bases)

subclass = getattr(instance, '__class__', None)

subtype = type(instance)

instance_type = getattr(abc, '_InstanceType', None)

if not instance_type:

class test_object:

pass

instance_type = type(test_object)

if subtype is instance_type:

subtype = subclass

if subtype is subclass or subclass is None:

return cls.__subclasscheck__(subtype)

return (cls.__subclasscheck__(subclass) or cls.__subclasscheck__(subtype))

else:

@classmethod

def __instancecheck__(cls, instance):

if cls.__name__ in (str(base.__name__) for base in bases):

return isinstance(instance, bases)

return type.__instancecheck__(cls, instance)

return with_metaclass(UnmodifiedIsInstance, *bases)

if PY3:

import urllib

import builtins

from urllib import parse

integer_types = (int, )

def u(string):

return string

def itemsview(collection):

return collection.items()

def valuesview(collection):

return collection.values()

def keysview(collection):

return collection.keys()

urllib.quote = parse.quote

urllib.quote_plus = parse.quote_plus

urllib.unquote = parse.unquote

urllib.unquote_plus = parse.unquote_plus

urllib.urlencode = parse.urlencode

execute = getattr(builtins, 'exec')

if VERSION[1] < 2:

def callable(entity):

return hasattr(entity, '__call__')

common.append('callable')

__all__ = common + ['urllib']

else:

from itertools import ifilter as filter

from itertools import imap as map

from itertools import izip as zip

from decimal import Decimal, ROUND_HALF_EVEN

import codecs

str = unicode

chr = unichr

input = raw_input

range = xrange

integer_types = (int, long)

import sys

stdout = sys.stdout

stderr = sys.stderr

reload(sys)

sys.stdout = stdout

sys.stderr = stderr

sys.setdefaultencoding('utf-8')

def _create_not_allowed(name):

def _not_allow(*args, **kwargs):

raise NameError("name '{0}' is not defined".format(name))

_not_allow.__name__ = name

return _not_allow

for removed in ('apply', 'cmp', 'coerce', 'execfile', 'raw_input', 'unpacks'):

globals()[removed] = _create_not_allowed(removed)

def u(s):

if isinstance(s, unicode):

return s

else:

return unicode(s.replace(r'\\', r'\\\\'), "unicode_escape")

def execute(_code_, _globs_=None, _locs_=None):

"""Execute code in a namespace."""

if _globs_ is None:

frame = sys._getframe(1)

_globs_ = frame.f_globals

if _locs_ is None:

_locs_ = frame.f_locals

del frame

elif _locs_ is None:

_locs_ = _globs_

exec("""exec _code_ in _globs_, _locs_""")

class _dict_view_base(object):

__slots__ = ('_dictionary', )

def __init__(self, dictionary):

self._dictionary = dictionary

def __repr__(self):

return "{0}({1})".format(self.__class__.__name__, str(list(self.__iter__())))

def __unicode__(self):

return str(self.__repr__())

def __str__(self):

return str(self.__unicode__())

class dict_keys(_dict_view_base):

__slots__ = ()

def __iter__(self):

return self._dictionary.iterkeys()

class dict_values(_dict_view_base):

__slots__ = ()

def __iter__(self):

return self._dictionary.itervalues()

class dict_items(_dict_view_base):

__slots__ = ()

def __iter__(self):

return self._dictionary.iteritems()

def itemsview(collection):

return dict_items(collection)

def valuesview(collection):

return dict_values(collection)

def keysview(collection):

return dict_keys(collection)

class dict(unmodified_isinstance(native_dict)):

def has_key(self, *args, **kwargs):

return AttributeError("'dict' object has no attribute 'has_key'")

def items(self):

return dict_items(self)

def keys(self):

return dict_keys(self)

def values(self):

return dict_values(self)

def round(number, ndigits=None):

return_int = False

if ndigits is None:

return_int = True

ndigits = 0

if hasattr(number, '__round__'):

return number.__round__(ndigits)

if ndigits < 0:

raise NotImplementedError('negative ndigits not supported yet')

exponent = Decimal('10') ** (-ndigits)

d = Decimal.from_float(number).quantize(exponent,

rounding=ROUND_HALF_EVEN)

if return_int:

return int(d)

else:

return float(d)

def next(iterator):

try:

iterator.__next__()

except Exception:

native_next(iterator)

class FixStr(type):

def __new__(cls, name, bases, dct):

if '__str__' in dct:

dct['__unicode__'] = dct['__str__']

dct['__str__'] = lambda self: self.__unicode__().encode('utf-8')

return type.__new__(cls, name, bases, dct)

if sys.version_info[1] <= 6:

def __instancecheck__(cls, instance):

if cls.__name__ == "object":

return isinstance(instance, native_object)

subclass = getattr(instance, '__class__', None)

subtype = type(instance)

instance_type = getattr(abc, '_InstanceType', None)

if not instance_type:

class test_object:

pass

instance_type = type(test_object)

if subtype is instance_type:

subtype = subclass

if subtype is subclass or subclass is None:

return cls.__subclasscheck__(subtype)

return (cls.__subclasscheck__(subclass) or cls.__subclasscheck__(subtype))

else:

def __instancecheck__(cls, instance):

if cls.__name__ == "object":

return isinstance(instance, native_object)

return type.__instancecheck__(cls, instance)

class object(with_metaclass(FixStr, object)):

pass

__all__ = common + ['round', 'dict', 'apply', 'cmp', 'coerce', 'execfile', 'raw_input', 'unpacks', 'str', 'chr',

'input', 'range', 'filter', 'map', 'zip', 'object']

if sys.version_info[0] == 2 and sys.version_info[1] < 7:

# OrderedDict

# Permission is hereby granted, free of charge, to any person

# obtaining a copy of this software and associated documentation files

# (the "Software"), to deal in the Software without restriction,

# including without limitation the rights to use, copy, modify, merge,

# publish, distribute, sublicense, and/or sell copies of the Software,

# and to permit persons to whom the Software is furnished to do so,

# subject to the following conditions:

# The above copyright notice and this permission notice shall be

# included in all copies or substantial portions of the Software.

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES

# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT

# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,

# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR

# OTHER DEALINGS IN THE SOFTWARE.

from UserDict import DictMixin

class OrderedDict(dict, DictMixin):

def __init__(self, *args, **kwds):

if len(args) > 1:

raise TypeError('expected at most 1 arguments, got %d' % len(args))

try:

self.__end

except AttributeError:

self.clear()

self.update(*args, **kwds)

def clear(self):

self.__end = end = []

end += [None, end, end] # sentinel node for doubly linked list

self.__map = {} # key --> [key, prev, next]

dict.clear(self)

def __setitem__(self, key, value):

if key not in self:

end = self.__end

curr = end[1]

curr[2] = end[1] = self.__map[key] = [key, curr, end]

dict.__setitem__(self, key, value)

def __delitem__(self, key):

dict.__delitem__(self, key)

key, prev, next = self.__map.pop(key)

prev[2] = next

next[1] = prev

def __iter__(self):

end = self.__end

curr = end[2]

while curr is not end:

yield curr[0]

curr = curr[2]

def __reversed__(self):

end = self.__end

curr = end[1]

while curr is not end:

yield curr[0]

curr = curr[1]

def popitem(self, last=True):

if not self:

raise KeyError('dictionary is empty')

if last:

key = reversed(self).next()

else:

key = iter(self).next()

value = self.pop(key)

return key, value

def __reduce__(self):

items = [[k, self[k]] for k in self]

tmp = self.__map, self.__end

del self.__map, self.__end

inst_dict = vars(self).copy()

self.__map, self.__end = tmp

if inst_dict:

return (self.__class__, (items,), inst_dict)

return self.__class__, (items,)

def keys(self):

return list(self)

setdefault = DictMixin.setdefault

update = DictMixin.update

pop = DictMixin.pop

values = DictMixin.values

items = DictMixin.items

iterkeys = DictMixin.iterkeys

itervalues = DictMixin.itervalues

iteritems = DictMixin.iteritems

def __repr__(self):

if not self:

return '%s()' % (self.__class__.__name__,)

return '%s(%r)' % (self.__class__.__name__, self.items())

def copy(self):

return self.__class__(self)

@classmethod

def fromkeys(cls, iterable, value=None):

d = cls()

for key in iterable:

d[key] = value

return d

def __eq__(self, other):

if isinstance(other, OrderedDict):

if len(self) != len(other):

return False

for p, q in zip(self.items(), other.items()):

if p != q:

return False

return True

return dict.__eq__(self, other)

def __ne__(self, other):

return not self == other

else:

from collections import OrderedDict

if sys.version_info < (3, 2):

try:

from threading import Lock

except ImportError:

from dummy_threading import Lock

from functools import wraps

def lru_cache(maxsize=100):

"""Least-recently-used cache decorator.

Taking from: https://github.com/MiCHiLU/python-functools32/blob/master/functools32/functools32.py

with slight modifications.

If *maxsize* is set to None, the LRU features are disabled and the cache

can grow without bound.

Arguments to the cached function must be hashable.

View the cache statistics named tuple (hits, misses, maxsize, currsize) with

f.cache_info(). Clear the cache and statistics with f.cache_clear().

Access the underlying function with f.__wrapped__.

See: http://en.wikipedia.org/wiki/Cache_algorithms#Least_Recently_Used

"""

def decorating_function(user_function, tuple=tuple, sorted=sorted, len=len, KeyError=KeyError):

hits, misses = [0], [0]

kwd_mark = (object(),) # separates positional and keyword args

lock = Lock()

if maxsize is None:

CACHE = dict()

@wraps(user_function)

def wrapper(*args, **kwds):

key = args

if kwds:

key += kwd_mark + tuple(sorted(kwds.items()))

try:

result = CACHE[key]

hits[0] += 1

return result

except KeyError:

pass

result = user_function(*args, **kwds)

CACHE[key] = result

misses[0] += 1

return result

else:

CACHE = OrderedDict()

@wraps(user_function)

def wrapper(*args, **kwds):

key = args

if kwds:

key += kwd_mark + tuple(sorted(kwds.items()))

with lock:

cached = CACHE.get(key, None)

if cached:

del CACHE[key]

CACHE[key] = cached

hits[0] += 1

return cached

result = user_function(*args, **kwds)

with lock:

CACHE[key] = result # record recent use of this key

misses[0] += 1

while len(CACHE) > maxsize:

CACHE.popitem(last=False)

return result

def cache_info():

"""Report CACHE statistics."""

with lock:

return _CacheInfo(hits[0], misses[0], maxsize, len(CACHE))

def cache_clear():

"""Clear the CACHE and CACHE statistics."""

with lock:

CACHE.clear()

hits[0] = misses[0] = 0

wrapper.cache_info = cache_info

wrapper.cache_clear = cache_clear

return wrapper

return decorating_function

else:

from functools import lru_cache

pythonVSCode/pythonFiles/isort/pie_slice.py at master · rmagee/pythonVSCode · GitHub

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