fix metaclass/inheritance conflicts

Author: d-w-moore

irods/access.py

@@ -23,9 +23,12 @@
 
 class _Access_LookupMeta(type):
 
+    def __init__(self,*args,**kwargs):
+        print (f"metaclass=_Access_LookupMeta used for defining class {args[0]!r}")
+        super().__init__(*args,**kwargs)
+
     @staticmethod
     def _codes():
-        print ("inherit _Access_LookupMeta")
         return collections.OrderedDict(
             (key_, value_)
             for key_, value_ in sorted(
@@ -77,7 +80,7 @@ def items(self):
         return list(zip(self.keys(), self.values()))
 
 
-class iRODSAccess(metaclass=_Access_LookupMeta):
+class _iRODSAccess_base:
     @classmethod
     def to_int(cls, key):
         return cls.codes[key]
@@ -86,10 +89,7 @@ def to_int(cls, key):
     def to_string(cls, key):
         return cls.strings[key]
 
-
-    def __init__(self, access_name, path, user_name="", user_zone="", user_type=None):
-        self.codes = self.__class__.codes.copy()
-        self.strings = self.__class__.strings.copy()
+    def __init__(self, access_name, path, user_name, user_zone, user_type):
         self.access_name = access_name
         if isinstance(path, (iRODSCollection, iRODSDataObject)):
             self.path = path.path
@@ -149,6 +149,13 @@ def __repr__(self):
         return f"<iRODSAccess {access_name} {self.path} {self.user_name}{user_type_hint} {self.user_zone}>"
 
 
+class iRODSAccess(_iRODSAccess_base, metaclass=_Access_LookupMeta):
+    def __init__(self, access_name, path, user_name="", user_zone="", user_type=None):
+        self.codes = self.__class__.codes
+        self.strings = self.__class__.strings
+        super().__init__(access_name, path, user_name, user_zone, user_type)
+
+
 class ACLOperation(iRODSAccess):
     def __init__(self, access_name: str, user_name: str = "", user_zone: str = ""):
         super().__init__(
@@ -199,7 +206,8 @@ def __repr__(self):
 }
 
 
-class _iRODSAccess_pre_4_3_0(iRODSAccess):
+class _iRODSAccess_pre_4_3_0(_iRODSAccess_base):
+
     codes = collections.OrderedDict(
         (key.replace("_", " "), value)
         for key, value in iRODSAccess.codes.items()