def callservice(url__, headers__=None, **kargs):
if not is_testing():
kw = {}
if headers__:
kw["headers"] = headers__
if kargs:
# urlencode does not accept non-ascii data
for k, v in kargs.iteritems():
if isinstance(v, unicode):
kargs[k] = v.encode("utf-8")
kw["data"] = urlencode(kargs)
req = Request(url__, **kw)
u = urlopen(req)
return u.read()
else:
from paste.fixture import AppError
headers = {}
if headers__:
headers.update(headers__)
try:
resp = get_testing_server().post(url=url__, headers=headers, params=kargs).body
return resp
except AppError, e:
if "500" in e.message:
raise ValueError(e.message.split("\n", 1)[1].strip())
raise
def __call__(self, environ, start_response):
base_url = self.config['controller']
req_url = environ.get('PATH_INFO')
if not req_url.startswith(base_url + '/') and req_url != base_url:
return self.not_found(start_response)
proc_start = time.time()
try:
assert self.access_key == environ.get('HTTP_AUTHORIZATION')
log.debug('Access granted with key %s' % \
environ.get('HTTP_AUTHORIZATION'))
except:
log.warn('Access unauthorized. Environment:\n%s' % environ)
return self.auth_required(start_response)
environ['SCRIPT_NAME'] = base_url
environ['PATH_INFO'] = environ['PATH_INFO'].split(base_url)[1]
servicename = path_info_pop(environ)
# Describe myself
if not servicename:
desc = self.describe(start_response)
log.info('Describing esb')
log.debug('Returning %s' % desc[0])
return desc
try:
service = self.services[servicename]['service']
except:
# There is no such service
log.warn('Service %s not found or not working' % servicename)
return self.not_found(start_response)
methodname = path_info_pop(environ)
if not methodname:
# The request about the service itself
desc = self.describe_service(servicename, start_response)
log.info('Describing %s' % servicename)
log.debug('Returning %s' % desc[0])
return desc
# A method was called
try:
method = getattr(service, methodname)
assert getattr(method, 'webmethod', False)
except:
# The service does not have such a webmethod
log.warn('A webmethod %s.%s not found' % (servicename, methodname))
return self.not_found(start_response)
kargs = dict()
try:
kargs = dict(parse_formvars(environ, include_get_vars=True))
for karg in kargs.keys():
kargs[karg] = from_json(kargs[karg])
except:
log.warn('Failed to parse parameters for %s.%s: %s' % (servicename,
methodname, kargs))
return self.request_error(start_response, 'Invalid parameters')
# Extract the positional arguments:
args = kargs.pop('__dwsargs__', [])
# Call the method
if is_testing():
result = method(*args, **kargs)
result = to_json(result)
else:
try:
exec_start = time.time()
result = method(*args, **kargs)
exec_time = (time.time() - exec_start) * 1000
log.info('%s.%s finished in %.2f ms' % (servicename,
methodname, exec_time))
log.debug('\nArgs: %s\nKargs: %s\nResult: %s' % (args, kargs,
result))
result = to_json(result)
elixir.session.close()
except Exception, e:
exc = format_exc(e)
start_response('500 Internal Server Error',
[('Content-Type', 'text/html')])
log.error('%s.%s\n%s' % (servicename, methodname, exc))
elixir.session.close()
return ['Internal server error']
