def callfunction(self, *args, **kwargs):
args, kwargs = wsme.rest.args.get_args(
funcdef, args, kwargs, cherrypy.request.params, None,
cherrypy.request.body,
cherrypy.request.headers['Content-Type'])
if funcdef.pass_request:
kwargs[funcdef.pass_request] = cherrypy.request
try:
result = f(self, *args, **kwargs)
except Exception:
try:
exception_info = sys.exc_info()
orig_exception = exception_info[1]
if isinstance(orig_exception, cherrypy.HTTPError):
orig_code = getattr(orig_exception, 'status', None)
else:
orig_code = getattr(orig_exception, 'code', None)
data = wsme.api.format_exception(exception_info)
finally:
del exception_info
cherrypy.response.status = 500
if data['faultcode'] == 'client':
cherrypy.response.status = 400
elif orig_code and is_valid_code(orig_code):
cherrypy.response.status = orig_code
accept = cherrypy.request.headers.get('Accept', "").lower()
accept = util.simplify_http_accept_header(accept)
decorators = {'text/xml': wsme.rest.xml.encode_error}
return decorators.get(accept,
wsme.rest.json.encode_error)(None, data)
return dict(datatype=funcdef.return_type, result=result)
def expose(func, *args, **kw):
request.tg_template_enginename = view.base._choose_engine(template)[2]
accept = request.headers.get('Accept', "").lower()
accept = tg_util.simplify_http_accept_header(accept)
if not hasattr(func, "_expose"):
_build_rules(func)
try:
if hasattr(request, "in_transaction"):
output = func._expose(func, accept, func._allow_json,
*args, **kw)
else:
request.in_transaction = True
output = database.run_with_transaction(
func._expose, func, accept, func._allow_json,
*args, **kw)
except NoApplicableMethods, e:
args = e.args # args from the last generic function call
if (args and args[0] and isinstance(args[0], tuple)
and args[0][0] is func):
# The error refers to our call above. This means that
# no suitable controller method was found (probably due
# to wrong parameters). So we will raise a "not found"
# error unless a specific error status was already set
# (e.g. "unauthorized" was set by the identity provider):
status = cherrypy.response.status
if status and status // 100 == 4:
raise cherrypy.HTTPError(status)
raise cherrypy.NotFound
# If the error was raised elsewhere inside the controller,
# handle it like all other exceptions ("server error"):
raise
def expose(func, *args, **kw):
accept = request.headers.get('Accept', "").lower()
accept = tg_util.simplify_http_accept_header(accept)
if not hasattr(func, "_expose"):
_build_rules(func)
if hasattr(request, "in_transaction"):
output = func._expose(func, accept, func._allow_json,
*args, **kw)
else:
request.in_transaction = True
output = profile_expose_method(_run_with_transaction, accept, args, func, kw,
exclude_from_memory_profiling)
return output
def expose(func, *args, **kw):
accept = request.headers.get('Accept', "").lower()
accept = tg_util.simplify_http_accept_header(accept)
if not hasattr(func, "_expose"):
_build_rules(func)
if hasattr(request, "in_transaction"):
output = func._expose(func, accept, func._allow_json,
*args, **kw)
else:
request.in_transaction = True
output = profile_expose_method(_run_with_transaction, accept, args, func, kw,
exclude_from_memory_profiling)
return output
def expose(func, *args, **kw):
accept = request.headers.get('Accept', "").lower()
accept = tg_util.simplify_http_accept_header(accept)
if not hasattr(func, "_expose"):
_build_rules(func)
if hasattr(request, "in_transaction"):
output = func._expose(func, accept, func._allow_json,
*args, **kw)
else:
request.in_transaction = True
output = database.run_with_transaction(
func._expose, func, accept, func._allow_json,
*args, **kw)
return output
def expose(func, *args, **kw):
accept = request.headers.get('Accept', "").lower()
accept = tg_util.simplify_http_accept_header(accept)
if not hasattr(func, "_expose"):
_build_rules(func)
if hasattr(request, "in_transaction"):
output = func._expose(func, accept, func._allow_json,
*args, **kw)
else:
request.in_transaction = True
output = database.run_with_transaction(
func._expose, func, accept, func._allow_json, *args,
**kw)
return output
def callfunction(self, *args, **kwargs):
args, kwargs = wsme.rest.args.get_args(
funcdef, args, kwargs,
cherrypy.request.params, None,
cherrypy.request.body,
cherrypy.request.headers['Content-Type']
)
if funcdef.pass_request:
kwargs[funcdef.pass_request] = cherrypy.request
try:
result = f(self, *args, **kwargs)
except:
try:
exception_info = sys.exc_info()
orig_exception = exception_info[1]
if isinstance(orig_exception, cherrypy.HTTPError):
orig_code = getattr(orig_exception, 'status', None)
else:
orig_code = getattr(orig_exception, 'code', None)
data = wsme.api.format_exception(exception_info)
finally:
del exception_info
cherrypy.response.status = 500
if data['faultcode'] == 'client':
cherrypy.response.status = 400
elif orig_code and is_valid_code(orig_code):
cherrypy.response.status = orig_code
accept = cherrypy.request.headers.get('Accept', "").lower()
accept = util.simplify_http_accept_header(accept)
decorators = {'text/xml': wsme.rest.xml.encode_error}
return decorators.get(
accept,
wsme.rest.json.encode_error
)(None, data)
return dict(
datatype=funcdef.return_type,
result=result
)
def request_format():
'''Return the output format that was requested by the user.
The user is able to specify a specific output format using either the
``Accept:`` HTTP header or the ``tg_format`` query parameter. This
function checks both of those to determine what format the reply should
be in.
:rtype: string
:returns: The requested format. If none was specified, 'default' is
returned
.. versionchanged:: 0.3.17
Return symbolic names for json, html, xhtml, and xml instead of
letting raw mime types through
'''
output_format = cherrypy.request.params.get('tg_format', '').lower()
if not output_format:
### TODO: Two problems with this:
# 1) TG lets this be extended via as_format and accept_format. We need
# tie into that as well somehow.
# 2) Decide whether to standardize on "json" or "application/json"
accept = tg_util.simplify_http_accept_header(
request.headers.get('Accept', 'default').lower())
if accept in ('text/javascript', 'application/json'):
output_format = 'json'
elif accept == 'text/html':
output_format = 'html'
elif accept == 'text/plain':
output_format = 'plain'
elif accept == 'text/xhtml':
output_format = 'xhtml'
elif accept == 'text/xml':
output_format = 'xml'
else:
output_format = accept
return output_format
def request_format():
'''Return the output format that was requested by the user.
The user is able to specify a specific output format using either the
``Accept:`` HTTP header or the ``tg_format`` query parameter. This
function checks both of those to determine what format the reply should
be in.
:rtype: string
:returns: The requested format. If none was specified, 'default' is
returned
.. versionchanged:: 0.3.17
Return symbolic names for json, html, xhtml, and xml instead of
letting raw mime types through
'''
output_format = cherrypy.request.params.get('tg_format', '').lower()
if not output_format:
### TODO: Two problems with this:
# 1) TG lets this be extended via as_format and accept_format. We need
# tie into that as well somehow.
# 2) Decide whether to standardize on "json" or "application/json"
accept = tg_util.simplify_http_accept_header(
request.headers.get('Accept', 'default').lower())
if accept in ('text/javascript', 'application/json'):
output_format = 'json'
elif accept == 'text/html':
output_format = 'html'
elif accept == 'text/plain':
output_format = 'plain'
elif accept == 'text/xhtml':
output_format = 'xhtml'
elif accept == 'text/xml':
output_format = 'xml'
else:
output_format = accept
return output_format
