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python: samba.compat rejects Python 2

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Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: David Mulder <dmulder@samba.org>

Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Fri Jul 17 08:39:38 UTC 2020 on sn-devel-184
This commit is contained in:
Douglas Bagnall 2020-07-04 13:30:28 +12:00 committed by Andreas Schneider
parent 914226bf52
commit d05fc858bf
1 changed files with 3 additions and 72 deletions
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75
python/samba/compat.py
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@ -83,76 +83,7 @@ if PY3:
def ConfigParser(defaults=None, dict_type=dict, allow_no_value=False):
from configparser import ConfigParser
return ConfigParser(defaults, dict_type, allow_no_value, interpolation=None)
else:
# Helper function to return bytes.
# if 'unicode' is passed in then it is decoded using 'utf8' and
# the result returned. If 'str' is passed then it is returned unchanged.
# Using this function is PY2/PY3 code should ensure in most cases
# the PY2 code runs unchanged in PY2 whereas the code in PY3 possibly
# encodes the variable (see PY3 implementation of this function above)
def get_bytes(bytesorstring):
tmp = bytesorstring
if isinstance(bytesorstring, unicode):
tmp = bytesorstring.encode('utf8')
elif not isinstance(bytesorstring, str):
raise ValueError('Expected string for %s:%s' % (type(bytesorstring), bytesorstring))
return tmp
# Helper function to return string.
# if 'str' or 'unicode' passed in they are returned unchanged
# otherwise an exception is generated
# Using this function is PY2/PY3 code should ensure in most cases
# the PY2 code runs unchanged in PY2 whereas the code in PY3 possibly
# decodes the variable (see PY3 implementation of this function above)
def get_string(bytesorstring):
tmp = bytesorstring
if not(isinstance(bytesorstring, str) or isinstance(bytesorstring, unicode)):
raise ValueError('Expected str or unicode for %s:%s' % (type(bytesorstring), bytesorstring))
return tmp
if sys.version_info < (2, 7):
def cmp_to_key_fn(mycmp):
"""Convert a cmp= function into a key= function"""
class K(object):
__slots__ = ['obj']
def __init__(self, obj, *args):
self.obj = obj
def __lt__(self, other):
return mycmp(self.obj, other.obj) < 0
def __gt__(self, other):
return mycmp(self.obj, other.obj) > 0
def __eq__(self, other):
return mycmp(self.obj, other.obj) == 0
def __le__(self, other):
return mycmp(self.obj, other.obj) <= 0
def __ge__(self, other):
return mycmp(self.obj, other.obj) >= 0
def __ne__(self, other):
return mycmp(self.obj, other.obj) != 0
def __hash__(self):
raise TypeError('hash not implemented')
return K
else:
from functools import cmp_to_key as cmp_to_key_fn
# compat types
integer_types = (int, long)
string_types = basestring
text_type = unicode
binary_type = str
# alias
import cStringIO
StringIO = cStringIO.StringIO
from ConfigParser import ConfigParser
cmp_fn = cmp
raise NotImplementedError("Samba versions >= 4.11 do not support Python 2.x")