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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,209 @@ | ||
| #! /usr/bin/env python | ||
| # -*- coding: UTF-8 -*- | ||
| # | ||
| # | ||
| # https://github.com/jbouse-debian/paramiko/blob/master/paramiko/py3compat.py | ||
| import sys | ||
| import base64 | ||
|
|
||
| __all__ = ['PY2', 'string_types', 'integer_types', 'text_type', 'bytes_types', 'bytes', 'long', 'input', | ||
| 'decodebytes', 'encodebytes', 'bytestring', 'byte_ord', 'byte_chr', 'byte_mask', | ||
| 'b', 'u', 'b2s', 'StringIO', 'BytesIO', 'is_callable', 'MAXSIZE', 'next', 'builtins', 'str', 'py2range'] | ||
|
|
||
| PY2 = sys.version_info[0] < 3 | ||
|
|
||
| if PY2: | ||
| string_types = basestring | ||
| text_type = unicode | ||
| bytes_types = str | ||
| bytes = str | ||
| integer_types = (int, long) | ||
| long = long | ||
| input = raw_input | ||
| decodebytes = base64.decodestring | ||
| encodebytes = base64.encodestring | ||
|
|
||
| xrange = xrange | ||
| py2range = range | ||
|
|
||
| import __builtin__ as builtins | ||
|
|
||
|
|
||
| def bytestring(s): # NOQA | ||
| if isinstance(s, unicode): | ||
| return s.encode('utf-8') | ||
| return s | ||
|
|
||
|
|
||
| byte_ord = ord # NOQA | ||
| byte_chr = chr # NOQA | ||
|
|
||
|
|
||
| def byte_mask(c, mask): | ||
| return chr(ord(c) & mask) | ||
|
|
||
|
|
||
| def b(s, encoding='utf8'): # NOQA | ||
| """cast unicode or bytes to bytes""" | ||
| if isinstance(s, str): | ||
| return s | ||
| elif isinstance(s, unicode): | ||
| return s.encode(encoding) | ||
| elif isinstance(s, buffer): | ||
| return s | ||
| else: | ||
| raise TypeError("Expected unicode or bytes, got %r" % s) | ||
|
|
||
|
|
||
| def u(s, encoding='utf8'): # NOQA | ||
| """cast bytes or unicode to unicode""" | ||
| if isinstance(s, str): | ||
| return s.decode(encoding) | ||
| elif isinstance(s, unicode): | ||
| return s | ||
| elif isinstance(s, buffer): | ||
| return s.decode(encoding) | ||
| else: | ||
| raise TypeError("Expected unicode or bytes, got %r" % s) | ||
|
|
||
|
|
||
| def b2s(s): | ||
| return s | ||
|
|
||
| def tobytes(s): | ||
| if isinstance(s, unicode): | ||
| return s.encode("latin-1") | ||
| else: | ||
| return ''.join(s) | ||
|
|
||
| try: | ||
| import cStringIO | ||
|
|
||
| StringIO = cStringIO.StringIO # NOQA | ||
| except ImportError: | ||
| import StringIO | ||
|
|
||
| StringIO = StringIO.StringIO # NOQA | ||
|
|
||
| BytesIO = StringIO | ||
|
|
||
| from binascii import hexlify, unhexlify | ||
|
|
||
| def is_callable(c): # NOQA | ||
| return callable(c) | ||
|
|
||
|
|
||
| def get_next(c): # NOQA | ||
| return c.next | ||
|
|
||
|
|
||
| def next(c): | ||
| return c.next() | ||
|
|
||
| # It's possible to have sizeof(long) != sizeof(Py_ssize_t). | ||
| class X(object): | ||
| def __len__(self): | ||
| return 1 << 31 | ||
|
|
||
|
|
||
| try: | ||
| len(X()) | ||
| except OverflowError: | ||
| # 32-bit | ||
| MAXSIZE = int((1 << 31) - 1) # NOQA | ||
| else: | ||
| # 64-bit | ||
| MAXSIZE = int((1 << 63) - 1) # NOQA | ||
| del X | ||
| else: | ||
| import collections | ||
| import struct | ||
| import builtins | ||
| string_types = str, bytearray, bytes | ||
| text_type = str | ||
| bytes = bytes | ||
| bytes_types = bytes | ||
| integer_types = int | ||
| class long(int): | ||
| pass | ||
| input = input | ||
| decodebytes = base64.decodebytes | ||
| encodebytes = base64.encodebytes | ||
| xrange = range | ||
|
|
||
| def py2range(it): | ||
| return list(range(it)) | ||
|
|
||
| def bytestring(s): | ||
| return s | ||
|
|
||
| def byte_ord(c): | ||
| # In case we're handed a string instead of an int. | ||
| if not isinstance(c, int): | ||
| c = ord(c) | ||
| return c | ||
|
|
||
| def byte_chr(c): | ||
| assert isinstance(c, int) | ||
| return struct.pack('B', c) | ||
|
|
||
| def byte_mask(c, mask): | ||
| assert isinstance(c, int) | ||
| return struct.pack('B', c & mask) | ||
|
|
||
| def b(s, encoding='utf8'): | ||
| """cast unicode or bytes to bytes""" | ||
| if isinstance(s, bytes): | ||
| return s | ||
| elif isinstance(s, str): | ||
| return s.encode(encoding) | ||
| else: | ||
| raise TypeError("Expected unicode or bytes, got %r" % s) | ||
|
|
||
| def u(s, encoding='utf8'): | ||
| """cast bytes or unicode to unicode""" | ||
| if isinstance(s, bytes): | ||
| return s.decode(encoding) | ||
| elif isinstance(s, str): | ||
| return s | ||
| else: | ||
| raise TypeError("Expected unicode or bytes, got %r" % s) | ||
|
|
||
| def b2s(s): | ||
| return s.decode() if isinstance(s, bytes) else s | ||
|
|
||
| def tobytes(s): | ||
| if isinstance(s,bytes): | ||
| return s | ||
| else: | ||
| if isinstance(s,str): | ||
| return s.encode("latin-1") | ||
| else: | ||
| return bytes([s]) | ||
|
|
||
| import io | ||
| StringIO = io.StringIO # NOQA | ||
| BytesIO = io.BytesIO # NOQA | ||
|
|
||
| import binascii | ||
|
|
||
| hexlify = binascii.hexlify | ||
| if sys.version_info[1] <= 2: | ||
| _unhexlify = binascii.unhexlify | ||
|
|
||
|
|
||
| def unhexlify(x): | ||
| return _unhexlify(tobytes(x)) | ||
| else: | ||
| unhexlify = binascii.unhexlify | ||
| del binascii | ||
|
|
||
| def is_callable(c): | ||
| return isinstance(c, collections.Callable) | ||
|
|
||
| def get_next(c): | ||
| return c.__next__ | ||
|
|
||
| next = next | ||
|
|
||
| MAXSIZE = sys.maxsize # NOQA |
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