def _Dispatch(ps, modules, SendResponse, SendFault, nsdict={}, typesmodule=None,
gettypecode=gettypecode, rpc=False, docstyle=False, **kw):
'''Find a handler for the SOAP request in ps; search modules.
Call SendResponse or SendFault to send the reply back, appropriately.
Behaviors:
default -- Call "handler" method with pyobj representation of body root, and return
a self-describing request (w/typecode). Parsing done via a typecode from
typesmodule, or Any.
docstyle -- Call "handler" method with ParsedSoap instance and parse result with an
XML typecode (DOM). Behavior, wrap result in a body_root "Response" appended message.
rpc -- Specify RPC wrapper of result. Behavior, ignore body root (RPC Wrapper)
of request, parse all "parts" of message via individual typecodes. Expect
the handler to return the parts of the message, whether it is a dict, single instance,
or a list try to serialize it as a Struct but if this is not possible put it in an Array.
Parsing done via a typecode from typesmodule, or Any.
'''
global _client_binding
try:
what = str(ps.body_root.localName)
# See what modules have the element name.
if modules is None:
modules = ( sys.modules['__main__'], )
handlers = [ getattr(m, what) for m in modules if hasattr(m, what) ]
if len(handlers) == 0:
raise TypeError("Unknown method " + what)
# Of those modules, see who's callable.
handlers = [ h for h in handlers if isinstance(h, collections.Callable) ]
if len(handlers) == 0:
raise TypeError("Unimplemented method " + what)
if len(handlers) > 1:
raise TypeError("Multiple implementations found: %s" % handlers)
handler = handlers[0]
_client_binding = ClientBinding(ps)
if docstyle:
result = handler(ps.body_root)
tc = TC.XML(aslist=1, pname=what+'Response')
elif not rpc:
try:
tc = gettypecode(typesmodule, ps.body_root)
except Exception:
tc = TC.Any()
try:
arg = tc.parse(ps.body_root, ps)
except EvaluateException as ex:
SendFault(FaultFromZSIException(ex), **kw)
return
try:
result = handler(arg)
except Exception as ex:
SendFault(FaultFromZSIException(ex), **kw)
return
try:
tc = result.typecode
except AttributeError as ex:
SendFault(FaultFromZSIException(ex), **kw)
return
elif typesmodule is not None:
kwargs = {}
for e in _child_elements(ps.body_root):
try:
tc = gettypecode(typesmodule, e)
except Exception:
tc = TC.Any()
try:
kwargs[str(e.localName)] = tc.parse(e, ps)
except EvaluateException as ex:
SendFault(FaultFromZSIException(ex), **kw)
return
result = handler(**kwargs)
aslist = False
# make sure data is wrapped, try to make this a Struct
if isinstance(result,_seqtypes):
for _ in result:
aslist = hasattr(result, 'typecode')
if aslist: break
elif not isinstance(result, dict):
aslist = not hasattr(result, 'typecode')
result = (result,)
tc = TC.Any(pname=what+'Response', aslist=aslist)
else:
# if this is an Array, call handler with list
# if this is an Struct, call handler with dict
tp = _find_type(ps.body_root)
isarray = ((isinstance(tp, (tuple,list)) and tp[1] == 'Array') or _find_arraytype(ps.body_root))
data = _child_elements(ps.body_root)
tc = TC.Any()
if isarray and len(data) == 0:
result = handler()
elif isarray:
try: arg = [ tc.parse(e, ps) for e in data ]
except EvaluateException as e:
#SendFault(FaultFromZSIException(e), **kw)
SendFault(RuntimeError("THIS IS AN ARRAY: %s" %isarray))
return
result = handler(*arg)
else:
try: kwarg = dict([ (str(e.localName),tc.parse(e, ps)) for e in data ])
except EvaluateException as e:
SendFault(FaultFromZSIException(e), **kw)
return
result = handler(**kwarg)
# reponse typecode
#tc = getattr(result, 'typecode', TC.Any(pname=what+'Response'))
tc = TC.Any(pname=what+'Response')
sw = SoapWriter(nsdict=nsdict)
sw.serialize(result, tc)
return SendResponse(str(sw), **kw)
except Fault as e:
return SendFault(e, **kw)
except Exception as e:
# Something went wrong, send a fault.
return SendFault(FaultFromException(e, 0, sys.exc_info()[2]), **kw)
def _Dispatch(ps,
modules,
SendResponse,
SendFault,
nsdict={},
typesmodule=None,
gettypecode=gettypecode,
rpc=False,
docstyle=False,
**kw):
'''Find a handler for the SOAP request in ps; search modules.
Call SendResponse or SendFault to send the reply back, appropriately.
Behaviors:
default -- Call "handler" method with pyobj representation of body root, and return
a self-describing request (w/typecode). Parsing done via a typecode from
typesmodule, or Any.
docstyle -- Call "handler" method with ParsedSoap instance and parse result with an
XML typecode (DOM). Behavior, wrap result in a body_root "Response" appended message.
rpc -- Specify RPC wrapper of result. Behavior, ignore body root (RPC Wrapper)
of request, parse all "parts" of message via individual typecodes. Expect
the handler to return the parts of the message, whether it is a dict, single instance,
or a list try to serialize it as a Struct but if this is not possible put it in an Array.
Parsing done via a typecode from typesmodule, or Any.
'''
global _client_binding
try:
what = str(ps.body_root.localName)
# See what modules have the element name.
if modules is None:
modules = (sys.modules['__main__'], )
handlers = [getattr(m, what) for m in modules if hasattr(m, what)]
if len(handlers) == 0:
raise TypeError("Unknown method " + what)
# Of those modules, see who's callable.
handlers = [h for h in handlers if callable(h)]
if len(handlers) == 0:
raise TypeError("Unimplemented method " + what)
if len(handlers) > 1:
raise TypeError("Multiple implementations found: %s" % handlers)
handler = handlers[0]
_client_binding = ClientBinding(ps)
if docstyle:
result = handler(ps.body_root)
tc = TC.XML(aslist=1, pname=what + 'Response')
elif not rpc:
try:
tc = gettypecode(typesmodule, ps.body_root)
except Exception:
tc = TC.Any()
try:
arg = tc.parse(ps.body_root, ps)
except EvaluateException, ex:
SendFault(FaultFromZSIException(ex), **kw)
return
try:
result = handler(arg)
except Exception, ex:
SendFault(FaultFromZSIException(ex), **kw)
return
try:
tc = result.typecode
except AttributeError, ex:
SendFault(FaultFromZSIException(ex), **kw)
return