python: samba.compat rejects Python 2

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

diff --git a/python/samba/compat.py b/python/samba/compat.py
index 3762ca441e1f24e6b19298b5ddc9713ebb2d6f59..a6baa8dad1a098333bd45ec3683ddbf92abaf447 100644 (file)
--- a/python/samba/compat.py
+++ b/python/samba/compat.py
@@ -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
+else:
+    raise NotImplementedError("Samba versions >= 4.11 do not support Python 2.x")