hy/hy/_compat.py

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# Copyright (c) 2013 Paul Tagliamonte <paultag@debian.org>
# Copyright (c) 2013 Julien Danjou <julien@danjou.info>
# Copyright (c) 2013 Berker Peksag <berker.peksag@gmail.com>
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#
# 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.
try:
import __builtin__ as builtins
except ImportError:
import builtins # NOQA
try:
from py_compile import MAGIC, wr_long
except ImportError:
# py_compile.MAGIC removed and imp.get_magic() deprecated in Python 3.4
from importlib.util import MAGIC_NUMBER as MAGIC # NOQA
def wr_long(f, x):
"""Internal; write a 32-bit int to a file in little-endian order."""
f.write(bytes([x & 0xff,
(x >> 8) & 0xff,
(x >> 16) & 0xff,
(x >> 24) & 0xff]))
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import sys
PY3 = sys.version_info[0] >= 3
PY33 = sys.version_info[0] >= 3 and sys.version_info[1] >= 3
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if PY3:
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str_type = str
else:
str_type = unicode # NOQA
if PY3:
long_type = int
else:
long_type = long # NOQA