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Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-xr-x	2026-02-03 15:08
__init__.py	0 B	-rw-r--r--	2020-10-27 13:42
construct_utils.py	2.85 KB	-rw-r--r--	2020-10-27 13:42
exceptions.py	512 B	-rw-r--r--	2020-10-27 13:42
py3compat.py	1.97 KB	-rw-r--r--	2020-10-27 13:42
utils.py	3.56 KB	-rw-r--r--	2020-10-27 13:42

Rename

#-------------------------------------------------------------------------------
# elftools: common/py3compat.py
#
# Python 2/3 compatibility code
#
# Eli Bendersky (eliben@gmail.com)
# This code is in the public domain
#-------------------------------------------------------------------------------
import sys
PY3 = sys.version_info[0] == 3

if PY3:
    import io
    StringIO = io.StringIO
    BytesIO = io.BytesIO

# Functions for acting on bytestrings and strings. In Python 2 and 3,
    # strings and bytes are the same and chr/ord can be used to convert between
    # numeric byte values and their string pepresentations. In Python 3, bytes
    # and strings are different types and bytes hold numeric values when
    # iterated over.

def bytes2str(b): return b.decode('latin-1')
    def str2bytes(s): return s.encode('latin-1')
    def int2byte(i): return bytes((i,))
    def byte2int(b): return b

def iterbytes(b):
        """Return an iterator over the elements of a bytes object.

For example, for b'abc' yields b'a', b'b' and then b'c'.
        """
        for i in range(len(b)):
            yield b[i:i+1]

ifilter = filter

maxint = sys.maxsize
else:
    import cStringIO
    StringIO = BytesIO = cStringIO.StringIO

def bytes2str(b): return b
    def str2bytes(s): return s
    int2byte = chr
    byte2int = ord
    def iterbytes(b):
        return iter(b)

from itertools import ifilter

maxint = sys.maxint

def iterkeys(d):
    """Return an iterator over the keys of a dictionary."""
    return getattr(d, 'keys' if PY3 else 'iterkeys')()

def itervalues(d):
    """Return an iterator over the values of a dictionary."""
    return getattr(d, 'values' if PY3 else 'itervalues')()

def iteritems(d):
    """Return an iterator over the items of a dictionary."""
    return getattr(d, 'items' if PY3 else 'iteritems')()

try:
    from collections.abc import Mapping  # python >= 3.3
except ImportError:
    from collections import Mapping  # python < 3.3