from __future__ import unicode_literals

import sys

from future.utils import PY3, exec_

if PY3:

def apply(f, *args, **kw):

return f(*args, **kw)

from past.builtins import str as oldstr

def chr(i):

"""

Return a byte-string of one character with ordinal i; 0 <= i <= 256

"""

return oldstr(bytes((i,)))

cmp = lambda a, b: (a > b) - (a < b)

from sys import intern

raw_input = input

from imp import reload

unicode = str

unichr = chr

xrange = range

else:

import __builtin__

apply = __builtin__.apply

chr = __builtin__.chr

cmp = __builtin__.cmp

execfile = __builtin__.execfile

intern = __builtin__.intern

raw_input = __builtin__.raw_input

reload = __builtin__.reload

unicode = __builtin__.unicode

unichr = __builtin__.unichr

xrange = __builtin__.xrange

if PY3:

def execfile(filename, myglobals=None, mylocals=None):

"""

A version of execfile() that handles unicode filenames.

From IPython.

WARNING: This doesn't seem to work. We may need to use inspect to

get the globals and locals dicts from the calling context.

"""

mylocals = mylocals if (mylocals is not None) else myglobals

exec_(compile(open(filename).read(), filename, 'exec'),

myglobals, mylocals)

# else:

# def execfile(filename, myglobals=None, mylocals=None):

# """

# A version of execfile() for Py2 that handles unicode filenames.

# This is useful if "from __future__ import unicode_literals" is in

# effect.

#

# From IPython.

# """

# if sys.platform == 'win32':

# # The rstrip() is necessary b/c trailing whitespace in

# # files will cause an IndentationError in Python 2.6

# # (this was fixed in 2.7). See IPython issue 1027.

# scripttext = __builtin__.open(filename).read().rstrip() + '\n'

# # compile converts unicode filename to str assuming

# # ascii. Let's do the conversion before calling compile

# if isinstance(filename, unicode):

# filename = filename.encode(unicode, 'replace')

# # else:

# # filename = filename

# exec_(compile(scripttext, filename, 'exec') in glob, loc)

# else:

# if isinstance(filename, unicode):

# filename = filename.encode(sys.getfilesystemencoding())

# else:

# filename = filename

# if mylocals is not None:

# if myglobals is not None:

# __builtin__.execfile(filename, myglobals, mylocals)

# else:

# raise ValueError(

# 'globals argument is required if locals is passed')

# else:

# if myglobals is not None:

# __builtin__.execfile(filename, myglobals)

# else:

# __builtin__.execfile(filename)

if PY3:

__all__ = ['apply', 'chr', 'cmp', 'execfile', 'intern', 'raw_input',

'reload', 'unichr', 'unicode', 'xrange']

else:

__all__ = []