diff options
| -rw-r--r-- | sleekxmpp/plugins/xep_0009/remote.py | 54 |
1 files changed, 45 insertions, 9 deletions
diff --git a/sleekxmpp/plugins/xep_0009/remote.py b/sleekxmpp/plugins/xep_0009/remote.py index 8847ff24..f5ed8008 100644 --- a/sleekxmpp/plugins/xep_0009/remote.py +++ b/sleekxmpp/plugins/xep_0009/remote.py @@ -6,7 +6,7 @@ See the file LICENSE for copying permission. """ -from binding import py2xml, xml2py, xml2fault, fault2xml +from sleekxmpp.plugins.xep_0009.binding import py2xml, xml2py, xml2fault, fault2xml from threading import RLock import abc import inspect @@ -18,6 +18,45 @@ import traceback log = logging.getLogger(__name__) +# Define a function _isstr() to check if an object is a string in a way +# compatible with Python 2 and Python 3 (basestring does not exists in Python 3). +try: + basestring # This evaluation will throw an exception if basestring does not exists (Python 3). + def _isstr(obj): + return isinstance(obj, basestring) +except NameError: + def _isstr(obj): + return isinstance(obj, str) + + +# Class decorator to declare a metaclass to a class in a way compatible with Python 2 and 3. +# This decorator is copied from 'six' (https://bitbucket.org/gutworth/six): +# +# Copyright (c) 2010-2015 Benjamin Peterson +# +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to deal +# in the Software without restriction, including without limitation the rights +# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in all +# copies or substantial portions of the Software. +def _add_metaclass(metaclass): + def wrapper(cls): + orig_vars = cls.__dict__.copy() + slots = orig_vars.get('__slots__') + if slots is not None: + if isinstance(slots, str): + slots = [slots] + for slots_var in slots: + orig_vars.pop(slots_var) + orig_vars.pop('__dict__', None) + orig_vars.pop('__weakref__', None) + return metaclass(cls.__name__, cls.__bases__, orig_vars) + return wrapper + def _intercept(method, name, public): def _resolver(instance, *args, **kwargs): log.debug("Locally calling %s.%s with arguments %s.", instance.FQN(), method.__name__, args) @@ -68,7 +107,7 @@ def remote(function_argument, public = True): if hasattr(function_argument, '__call__'): return _intercept(function_argument, None, public) else: - if not isinstance(function_argument, basestring): + if not _isstr(function_argument): if not isinstance(function_argument, bool): raise Exception('Expected an RPC method name or visibility modifier!') else: @@ -222,12 +261,11 @@ class TimeoutException(Exception): pass +@_add_metaclass(abc.ABCMeta) class Callback(object): ''' A base class for callback handlers. ''' - __metaclass__ = abc.ABCMeta - @abc.abstractproperty def set_value(self, value): @@ -291,7 +329,7 @@ class Future(Callback): self._event.set() - +@_add_metaclass(abc.ABCMeta) class Endpoint(object): ''' The Endpoint class is an abstract base class for all objects @@ -303,8 +341,6 @@ class Endpoint(object): which specifies which object an RPC call refers to. It is the first part in a RPC method name '<fqn>.<method>'. ''' - __metaclass__ = abc.ABCMeta - def __init__(self, session, target_jid): ''' @@ -491,7 +527,7 @@ class RemoteSession(object): def _find_key(self, dict, value): """return the key of dictionary dic given the value""" - search = [k for k, v in dict.iteritems() if v == value] + search = [k for k, v in dict.items() if v == value] if len(search) == 0: return None else: @@ -547,7 +583,7 @@ class RemoteSession(object): result = handler_cls(*args, **kwargs) Endpoint.__init__(result, self, self._client.boundjid.full) method_dict = result.get_methods() - for method_name, method in method_dict.iteritems(): + for method_name, method in method_dict.items(): #!!! self._client.plugin['xep_0009'].register_call(result.FQN(), method, method_name) self._register_call(result.FQN(), method, method_name) self._register_acl(result.FQN(), acl) |