def _get_tuple_from_route(route):
"""Return (pattern, handler_class, methods) tuple from ``route``
:type route: tuple|tornado.web.URLSpec
:rtype: tuple
:raises TypeError: If ``route`` is not a tuple or URLSpec
"""
if isinstance(route, tuple):
assert len(route) >= 2
pattern, handler_class = route[:2]
elif isinstance(route, tornado.web.URLSpec):
pattern, handler_class = route.regex.pattern, route.handler_class
else:
raise TypeError("Unknown route type '{}'"
.format(type(route).__name__))
methods = []
route_re = re.compile(pattern)
route_params = set(list(route_re.groupindex.keys()) + ['self'])
for http_method in HTTP_METHODS:
method = getattr(handler_class, http_method, None)
if method:
method = extract_method(method)
method_params = set(getattr(method, "__argspec_args",
inspect.getargspec(method).args))
if route_params.issubset(method_params) and \
method_params.issubset(route_params):
methods.append(http_method)
return pattern, handler_class, methods
def yield_args(module, cls_name, method_name):
"""Get signature of ``module.cls_name.method_name``
Confession: This function doesn't actually ``yield`` the arguments,
just returns a list. Trust me, it's better that way.
:returns: List of arg names from method_name except ``self``
:rtype: list
"""
wrapped_method = reduce(getattr, [module, cls_name, method_name])
method = extract_method(wrapped_method)
return [a for a in inspect.getargspec(method).args if a not in ["self"]]
def yield_args(module, cls_name, method_name):
"""Get signature of ``module.cls_name.method_name``
Confession: This function doesn't actually ``yield`` the arguments,
just returns a list. Trust me, it's better that way.
:returns: List of arg names from method_name except ``self``
:rtype: list
"""
wrapped_method = reduce(getattr, [module, cls_name, method_name])
method = extract_method(wrapped_method)
argspec_args = getattr(method, "__argspec_args",
inspect.getargspec(method).args)
return [a for a in argspec_args if a not in ["self"]]
def yield_args(module, cls_name, method_name):
"""Get signature of ``module.cls_name.method_name``
Confession: This function doesn't actually ``yield`` the arguments,
just returns a list. Trust me, it's better that way.
:returns: List of arg names from method_name except ``self``
:rtype: list
"""
wrapped_method = reduce(getattr, [module, cls_name, method_name])
method = extract_method(wrapped_method)
# If using tornado_json.gen.coroutine, original args are annotated...
argspec_args = getattr(method, "__argspec_args",
# otherwise just grab them from the method
inspect.getargspec(method).args)
return [a for a in argspec_args if a not in ["self"]]
