modernize function manipulations and attrs

src/rez/build_process_.py

@@ -330,7 +330,7 @@ def run_hooks(self, hook_event, **kwargs):
             debug_print("Running %s hook '%s'...",
                         hook_event.label, hook.name())
             try:
-                func = getattr(hook, hook_event.func_name)
+                func = getattr(hook, hook_event.__name__)
                 func(user=getpass.getuser(), **kwargs)
             except ReleaseHookCancellingError as e:
                 raise ReleaseError(

src/rez/release_hook.py

@@ -134,7 +134,7 @@ class ReleaseHookEvent(Enum):
     def __init__(self, label, noun, func_name):
         self.label = label
         self.noun = noun
-        self.func_name = func_name
+        self.__name__ = func_name
 
 
 # Copyright 2013-2016 Allan Johns.

src/rez/rex.py

@@ -1224,12 +1224,12 @@ def execute_function(self, func, *nargs, **kwargs):
         """
         # makes a copy of the func
         import types
-        fn = types.FunctionType(func.func_code,
-                                func.func_globals.copy(),
-                                name=func.func_name,
-                                argdefs=func.func_defaults,
-                                closure=func.func_closure)
-        fn.func_globals.update(self.globals)
+        fn = types.FunctionType(func.__code__,
+                                func.__globals__.copy(),
+                                name=func.__name__,
+                                argdefs=func.__defaults__,
+                                closure=func.__closure__)
+        fn.__globals__.update(self.globals)
 
         error_class = Exception if config.catch_rex_errors else None
 

src/rez/serialise.py

@@ -306,15 +306,15 @@ def _process(value):
 
                 # make a copy of the func with its own globals, and add 'this'
                 import types
-                fn = types.FunctionType(func.func_code,
-                                        func.func_globals.copy(),
-                                        name=func.func_name,
-                                        argdefs=func.func_defaults,
-                                        closure=func.func_closure)
+                fn = types.FunctionType(func.__code__,
+                                        func.__globals__.copy(),
+                                        name=func.__name__,
+                                        argdefs=func.__defaults__,
+                                        closure=func.__closure__)
 
                 # apply globals
-                fn.func_globals["this"] = EarlyThis(data)
-                fn.func_globals.update(get_objects())
+                fn.__globals__["this"] = EarlyThis(data)
+                fn.__globals__.update(get_objects())
 
                 # execute the function
                 spec = getargspec(func)