/usr/lib/python3/dist-packages/bson/py3compat.py is in python3-bson 2.7.2-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | # Copyright 2009-2014 MongoDB, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you
# may not use this file except in compliance with the License. You
# may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied. See the License for the specific language governing
# permissions and limitations under the License.
"""Utility functions and definitions for python3 compatibility."""
import sys
PY3 = sys.version_info[0] == 3
if PY3:
import codecs
from io import BytesIO as StringIO
def b(s):
# BSON and socket operations deal in binary data. In
# python 3 that means instances of `bytes`. In python
# 2.6 and 2.7 you can create an alias for `bytes` using
# the b prefix (e.g. b'foo'). Python 2.4 and 2.5 don't
# provide this marker so we provide this compat function.
# In python 3.x b('foo') results in b'foo'.
# See http://python3porting.com/problems.html#nicer-solutions
return codecs.latin_1_encode(s)[0]
def bytes_from_hex(h):
return bytes.fromhex(h)
binary_type = bytes
text_type = str
next_item = "__next__"
else:
try:
from io import StringIO
except ImportError:
from io import StringIO
def b(s):
# See comments above. In python 2.x b('foo') is just 'foo'.
return s
def bytes_from_hex(h):
return h.decode('hex')
binary_type = str
# 2to3 will convert this to "str". That's okay
# since we won't ever get here under python3.
text_type = str
next_item = "next"
string_types = (binary_type, text_type)
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