def issubclass(cls, bases):
"""a version of issubclass that supports NetProxies"""
if not orig_isinstance(bases, tuple):
bases = (bases,)
# is cls a proxy?
if orig_isinstance(cls, NetProxy):
return _remote_issubclass(cls, bases)
# is one of the bases a proxy?
for base in bases:
if orig_isinstance(base, NetProxy):
return _remote_issubclass(cls, bases)
# plain old issubclass
return orig_issubclass(cls, bases)
def issubclass(cls, bases):
"""a version of issubclass that supports NetProxies"""
if not orig_isinstance(bases, tuple):
bases = (bases, )
# is cls a proxy?
if orig_isinstance(cls, NetProxy):
return _remote_issubclass(cls, bases)
# is one of the bases a proxy?
for base in bases:
if orig_isinstance(base, NetProxy):
return _remote_issubclass(cls, bases)
# plain old issubclass
return orig_issubclass(cls, bases)
def dir(*obj):
"""a version of dir() that supports NetProxies"""
if not obj:
return sorted(inspect.stack()[1][0].f_locals.keys())
if not len(obj) == 1:
raise TypeError("dir expected at most 1 arguments, got %d" % (len(obj),))
obj = obj[0]
if orig_isinstance(obj, NetProxy):
return _get_conn(obj).modules.__builtin__.dir(obj)
else:
return orig_dir(obj)
def __call__(self, obj = None):
if orig_isinstance(obj, NetProxy):
print "Help on NetProxy object for an instance of %r:" % (obj.__getattr__("__class__").__name__,)
print
print "Doc:"
print obj.__getattr__("__doc__")
print
print "Members:"
print dir(obj)
else:
orig_help(obj)
def dir(*obj):
"""a version of dir() that supports NetProxies"""
if not obj:
return sorted(inspect.stack()[1][0].f_locals.keys())
if not len(obj) == 1:
raise TypeError("dir expected at most 1 arguments, got %d" %
(len(obj), ))
obj = obj[0]
if orig_isinstance(obj, NetProxy):
return _get_conn(obj).modules.__builtin__.dir(obj)
else:
return orig_dir(obj)
def __call__(self, obj=None):
if orig_isinstance(obj, NetProxy):
print "Help on NetProxy object for an instance of %r:" % (
obj.__getattr__("__class__").__name__, )
print
print "Doc:"
print obj.__getattr__("__doc__")
print
print "Members:"
print dir(obj)
else:
orig_help(obj)
def getattr(obj, name, *default):
"""a version of getattr() that supports NetProxies"""
if len(default) > 1:
raise TypeError("getattr expected at most 3 arguments, got %d" % (2 + len(default),))
if orig_isinstance(obj, NetProxy):
try:
return obj.__getattr__(name)
except AttributeError:
if not default:
raise
return default[0]
else:
return orig_getattr(obj, name, *default)
def _get_fullname(cls):
"""
a heuristic to generate a unique identifier for classes, that is not
machine-, platform-, or runtime-dependent
"""
if orig_isinstance(cls, NetProxy):
modules = _get_conn(cls).modules.sys.modules
else:
modules = sys.modules
try:
filename = modules[cls.__module__].__file__
except (KeyError, AttributeError):
filename = cls.__module__
return (filename, cls.__name__)
def _get_fullname(cls):
"""
a heuristic to generate a unique identifier for classes, that is not
machine-, platform-, or runtime-dependent
"""
if orig_isinstance(cls, NetProxy):
modules = _get_conn(cls).modules.sys.modules
else:
modules = sys.modules
try:
filename = modules[cls.__module__].__file__
except (KeyError, AttributeError):
filename = cls.__module__
return (filename, cls.__name__)
def getattr(obj, name, *default):
"""a version of getattr() that supports NetProxies"""
if len(default) > 1:
raise TypeError("getattr expected at most 3 arguments, got %d" %
(2 + len(default), ))
if orig_isinstance(obj, NetProxy):
try:
return obj.__getattr__(name)
except AttributeError:
if not default:
raise
return default[0]
else:
return orig_getattr(obj, name, *default)
def deliver(obj, conn):
"""
delivers a local object to the other side of the connection. the object
can be a function or any picklable object. deliver objects creates a remote
copy of the objectm so changes made to the remote copy are not reflected on
the local one. keep this in mind.
obj - the object to deliver
conn - the connection which obtains the object
returns a proxy to the delivered object
"""
if isproxy(obj):
raise TypeError("can't deliver proxies")
if orig_isinstance(obj, function):
globals = conn.remote_conn._local_namespace
dumped = _dump_function(obj)
return conn.modules[__name__]._load_function(dumped, globals)
else:
return conn.modules.cPickle.loads(pickle.dumps(obj, pickle.HIGHEST_PROTOCOL))
def reload(module):
"""a version of reload() that supports NetProxies"""
if orig_isinstance(module, NetProxy):
return _get_conn(module).modules.__builtin__.reload(module)
else:
return orig_reload(module)
def isproxy(obj):
"""indicates whether the given object is a NetProxy"""
return orig_isinstance(obj, NetProxy)
def reload(module):
"""a version of reload() that supports NetProxies"""
if orig_isinstance(module, NetProxy):
return _get_conn(module).modules.__builtin__.reload(module)
else:
return orig_reload(module)
