kopia lustrzana https://github.com/dsblank/activitypub
106 wiersze
2.7 KiB
Python
106 wiersze
2.7 KiB
Python
# Copyright 2009-present MongoDB, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you
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# may not use this file except in compliance with the License. You
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# may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied. See the License for the specific language governing
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# permissions and limitations under the License.
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"""Utility functions and definitions for python3 compatibility."""
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import sys
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PY3 = sys.version_info[0] == 3
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if PY3:
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import codecs
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import _thread as thread
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from io import BytesIO as StringIO
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try:
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import collections.abc as abc
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except ImportError:
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# PyPy3 (based on CPython 3.2)
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import collections as abc
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MAXSIZE = sys.maxsize
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imap = map
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def b(s):
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# BSON and socket operations deal in binary data. In
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# python 3 that means instances of `bytes`. In python
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# 2.6 and 2.7 you can create an alias for `bytes` using
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# the b prefix (e.g. b'foo').
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# See http://python3porting.com/problems.html#nicer-solutions
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return codecs.latin_1_encode(s)[0]
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def bytes_from_hex(h):
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return bytes.fromhex(h)
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def iteritems(d):
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return iter(d.items())
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def itervalues(d):
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return iter(d.values())
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def reraise(exctype, value, trace=None):
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raise exctype(str(value)).with_traceback(trace)
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def reraise_instance(exc_instance, trace=None):
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raise exc_instance.with_traceback(trace)
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def _unicode(s):
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return s
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text_type = str
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string_type = str
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integer_types = int
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else:
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import collections as abc
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import thread
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from itertools import imap
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try:
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from cStringIO import StringIO
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except ImportError:
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from StringIO import StringIO
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MAXSIZE = sys.maxint
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def b(s):
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# See comments above. In python 2.x b('foo') is just 'foo'.
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return s
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def bytes_from_hex(h):
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return h.decode('hex')
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def iteritems(d):
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return d.iteritems()
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def itervalues(d):
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return d.itervalues()
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def reraise(exctype, value, trace=None):
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_reraise(exctype, str(value), trace)
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def reraise_instance(exc_instance, trace=None):
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_reraise(exc_instance, None, trace)
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# "raise x, y, z" raises SyntaxError in Python 3
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exec("""def _reraise(exc, value, trace):
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raise exc, value, trace
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""")
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_unicode = unicode
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string_type = basestring
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text_type = unicode
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integer_types = (int, long)
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