def chain(self, call, key=False, *args, **kw):
'''
add `call` or appspaced `call` to call chain, partializing it with any
passed arguments
@param call: call or appspaced call label
@param key: appspace key (default: False)
'''
if not isstring(call):
call = partial(call, *(key,) + args, **kw)
else:
call = partial(self.M.get(call, key), *args, **kw)
self._cappend(call)
return self
def tap(self, call, key=False):
'''
add call
@param call: callable or appspace label
@param key: link call chain key (default: False)
'''
# reset postitional arguments
self._args = ()
# reset keyword arguments
self._kw = {}
# set current application
self._call = self._M.get(call, key) if isstring(call) else call
return self