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99 lines
2.5 KiB
99 lines
2.5 KiB
# -*- coding: utf-8 -*-
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"""
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jinja2._compat
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~~~~~~~~~~~~~~
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Some py2/py3 compatibility support based on a stripped down
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version of six so we don't have to depend on a specific version
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of it.
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:copyright: Copyright 2013 by the Jinja team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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import sys
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PY2 = sys.version_info[0] == 2
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PYPY = hasattr(sys, 'pypy_translation_info')
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_identity = lambda x: x
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if not PY2:
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unichr = chr
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range_type = range
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text_type = str
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string_types = (str,)
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integer_types = (int,)
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iterkeys = lambda d: iter(d.keys())
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itervalues = lambda d: iter(d.values())
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iteritems = lambda d: iter(d.items())
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import pickle
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from io import BytesIO, StringIO
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NativeStringIO = StringIO
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def reraise(tp, value, tb=None):
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if value.__traceback__ is not tb:
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raise value.with_traceback(tb)
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raise value
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ifilter = filter
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imap = map
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izip = zip
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intern = sys.intern
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implements_iterator = _identity
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implements_to_string = _identity
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encode_filename = _identity
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else:
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unichr = unichr
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text_type = unicode
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range_type = xrange
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string_types = (str, unicode)
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integer_types = (int, long)
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iterkeys = lambda d: d.iterkeys()
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itervalues = lambda d: d.itervalues()
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iteritems = lambda d: d.iteritems()
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import cPickle as pickle
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from cStringIO import StringIO as BytesIO, StringIO
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NativeStringIO = BytesIO
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exec('def reraise(tp, value, tb=None):\n raise tp, value, tb')
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from itertools import imap, izip, ifilter
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intern = intern
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def implements_iterator(cls):
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cls.next = cls.__next__
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del cls.__next__
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return cls
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def implements_to_string(cls):
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cls.__unicode__ = cls.__str__
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cls.__str__ = lambda x: x.__unicode__().encode('utf-8')
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return cls
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def encode_filename(filename):
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if isinstance(filename, unicode):
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return filename.encode('utf-8')
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return filename
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def with_metaclass(meta, *bases):
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"""Create a base class with a metaclass."""
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# This requires a bit of explanation: the basic idea is to make a
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# dummy metaclass for one level of class instantiation that replaces
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# itself with the actual metaclass.
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class metaclass(type):
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def __new__(cls, name, this_bases, d):
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return meta(name, bases, d)
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return type.__new__(metaclass, 'temporary_class', (), {})
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try:
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from urllib.parse import quote_from_bytes as url_quote
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except ImportError:
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from urllib import quote as url_quote
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