def result(
self,
timeout=None, # type: typing.Optional[float]
):
# type: (...) -> typing.Union[T, IncomingResponse, typing.Tuple[T, IncomingResponse]]
"""DEPRECATED: please use the `response()` method instead.
Blocking call to wait for and return the unmarshalled swagger result.
:param timeout: Number of seconds to wait for a response. Defaults to
None which means wait indefinitely.
:type timeout: float
:return: Depends on the value of also_return_response sent in
to the constructor.
"""
incoming_response = self._get_incoming_response(timeout)
swagger_result = self._get_swagger_result(incoming_response)
if self.operation is not None:
swagger_result = typing.cast(T, swagger_result)
if self.request_config.also_return_response:
return swagger_result, incoming_response
return swagger_result
if 200 <= incoming_response.status_code < 300:
return incoming_response
raise make_http_exception(response=incoming_response)
def result(self, timeout=None):
"""Blocking call to wait for the HTTP response.
:param timeout: Number of seconds to wait for a response. Defaults to
None which means wait indefinitely.
:type timeout: float
:return: Depends on the value of also_return_response sent in
to the constructor.
"""
inner_response = self.future.result(timeout=timeout)
incoming_response = self.response_adapter(inner_response)
if self.operation is not None:
unmarshal_response(incoming_response, self.operation,
self.response_callbacks)
swagger_result = incoming_response.swagger_result
if self.also_return_response:
return swagger_result, incoming_response
return swagger_result
if 200 <= incoming_response.status_code < 300:
return incoming_response
raise make_http_exception(response=incoming_response)
def unmarshal_response(incoming_response, operation, response_callbacks=None):
"""So the http_client is finished with its part of processing the response.
This hands the response over to bravado_core for validation and
unmarshalling and then runs any response callbacks. On success, the
swagger_result is available as ``incoming_response.swagger_result``.
:type incoming_response: :class:`bravado_core.response.IncomingResponse`
:type operation: :class:`bravado_core.operation.Operation`
:type response_callbacks: list of callable. See
bravado_core.client.REQUEST_OPTIONS_DEFAULTS.
:raises: HTTPError
- On 5XX status code, the HTTPError has minimal information.
- On non-2XX status code with no matching response, the HTTPError
contains a detailed error message.
- On non-2XX status code with a matching response, the HTTPError
contains the return value.
"""
response_callbacks = response_callbacks or []
try:
raise_on_unexpected(incoming_response)
incoming_response.swagger_result = unmarshal_response_inner(
response=incoming_response,
op=operation,
)
except MatchingResponseNotFound as e:
exception = make_http_exception(response=incoming_response,
message=str(e))
six.reraise(type(exception), exception, sys.exc_info()[2])
finally:
# Always run the callbacks regardless of success/failure
for response_callback in response_callbacks:
response_callback(incoming_response, operation)
raise_on_expected(incoming_response)
def result(
self,
timeout=None, # type: typing.Optional[float]
):
# type: (...) -> typing.Union[T, IncomingResponse, typing.Tuple[T, IncomingResponse]]
"""DEPRECATED: please use the `response()` method instead.
Blocking call to wait for and return the unmarshalled swagger result.
:param timeout: Number of seconds to wait for a response. Defaults to
None which means wait indefinitely.
:type timeout: float
:return: Depends on the value of also_return_response sent in
to the constructor.
"""
incoming_response = self._get_incoming_response(timeout)
swagger_result = self._get_swagger_result(incoming_response)
if self.operation is not None:
if self.request_config.also_return_response:
return swagger_result, incoming_response
return swagger_result
if 200 <= incoming_response.status_code < 300:
return incoming_response
raise make_http_exception(response=incoming_response)
def raise_on_unexpected(http_response):
"""Raise an HTTPError if the response is 5XX.
:param http_response: :class:`bravado_core.response.IncomingResponse`
:raises: HTTPError
"""
if 500 <= http_response.status_code <= 599:
raise make_http_exception(response=http_response)
def raise_on_unexpected(http_response):
"""Raise an HTTPError if the response is 5XX.
:param http_response: :class:`bravado_core.response.IncomingResponse`
:raises: HTTPError
"""
if 500 <= http_response.status_code <= 599:
raise make_http_exception(response=http_response)
def test_make_http_exception_unknown():
requests_response = Response()
requests_response.status_code = 600
requests_response.reason = "Womp Error"
exc = make_http_exception(
RequestsResponseAdapter(requests_response),
)
assert type(exc) == HTTPError
def test_make_http_exception(response_500):
incoming_response = RequestsResponseAdapter(response_500)
exc = make_http_exception(incoming_response,
message="Holy moly!",
swagger_result={'msg': 'Kaboom'})
assert isinstance(exc, HTTPError)
assert isinstance(exc, HTTPServerError)
assert type(exc) == HTTPInternalServerError
assert str(exc) == "500 Server Error: Holy moly!: {'msg': 'Kaboom'}"
def raise_on_expected(http_response):
"""Raise an HTTPError if the response is non-2XX and matches a response
in the swagger spec.
:param http_response: :class:`bravado_core.response.IncomingResponse`
:raises: HTTPError
"""
if not 200 <= http_response.status_code < 300:
raise make_http_exception(response=http_response,
swagger_result=http_response.swagger_result)
def raise_on_expected(http_response):
"""Raise an HTTPError if the response is non-2XX and matches a response
in the swagger spec.
:param http_response: :class:`bravado_core.response.IncomingResponse`
:raises: HTTPError
"""
if not 200 <= http_response.status_code < 300:
raise make_http_exception(
response=http_response,
swagger_result=http_response.swagger_result)
def unmarshal_response(
incoming_response, # type: IncomingResponse
operation, # type: Operation
response_callbacks=None, # type: typing.Optional[typing.List[typing.Callable[[typing.Any, typing.Any], None]]]
):
# type: (...) -> None
"""So the http_client is finished with its part of processing the response.
This hands the response over to bravado_core for validation and
unmarshalling and then runs any response callbacks. On success, the
swagger_result is available as ``incoming_response.swagger_result``.
:type incoming_response: :class:`bravado_core.response.IncomingResponse`
:type operation: :class:`bravado_core.operation.Operation`
:type response_callbacks: list of callable. See
bravado_core.client.REQUEST_OPTIONS_DEFAULTS.
:raises: HTTPError
- On 5XX status code, the HTTPError has minimal information.
- On non-2XX status code with no matching response, the HTTPError
contains a detailed error message.
- On non-2XX status code with a matching response, the HTTPError
contains the return value.
"""
response_callbacks = response_callbacks or []
try:
raise_on_unexpected(incoming_response)
incoming_response.swagger_result = unmarshal_response_inner(
response=incoming_response,
op=operation,
)
except MatchingResponseNotFound as e:
exception = make_http_exception(
response=incoming_response,
message=str(e)
)
six.reraise(
type(exception),
exception,
sys.exc_info()[2])
finally:
# Always run the callbacks regardless of success/failure
for response_callback in response_callbacks:
response_callback(incoming_response, operation)
raise_on_expected(incoming_response)
def test_make_http_exception_type(status_code, expected_type):
requests_response = Response()
requests_response.status_code = status_code
requests_response.reason = "Womp Error"
exc = make_http_exception(RequestsResponseAdapter(requests_response), )
assert type(exc) == expected_type
def response(self, timeout=None, fallback_result=SENTINEL, exceptions_to_catch=FALLBACK_EXCEPTIONS):
"""Blocking call to wait for the HTTP response.
:param timeout: Number of seconds to wait for a response. Defaults to
None which means wait indefinitely.
:type timeout: float
:param fallback_result: either the swagger result or a callable that accepts an exception as argument
and returns the swagger result to use in case of errors
:type fallback_result: Optional[Union[Any, Callable[[Exception], Any]]]
:param exceptions_to_catch: Exception classes to catch and call `fallback_result`
with. Has no effect if `fallback_result` is not provided. By default, `fallback_result`
will be called for read timeout and server errors (HTTP 5XX).
:type exceptions_to_catch: List/Tuple of Exception classes.
:return: A BravadoResponse instance containing the swagger result and response metadata.
"""
incoming_response = None
exc_info = None
request_end_time = None
if self.request_config.force_fallback_result:
exceptions_to_catch = tuple(chain(exceptions_to_catch, (ForcedFallbackResultError,)))
try:
incoming_response = self._get_incoming_response(timeout)
request_end_time = monotonic.monotonic()
swagger_result = self._get_swagger_result(incoming_response)
if self.operation is None and incoming_response.status_code >= 300:
raise make_http_exception(response=incoming_response)
# Trigger fallback_result if the option is set
if fallback_result is not SENTINEL and self.request_config.force_fallback_result:
if self.operation.swagger_spec.config['bravado'].disable_fallback_results:
log.warning(
'force_fallback_result set in request options and disable_fallback_results '
'set in client config; not using fallback result.'
)
else:
# raise an exception to trigger fallback result handling
raise ForcedFallbackResultError()
except exceptions_to_catch as e:
if request_end_time is None:
request_end_time = monotonic.monotonic()
# the Python 2 documentation states that we shouldn't assign the traceback to a local variable,
# as that would cause a circular reference. We'll store a string representation of the traceback
# instead.
exc_info = list(sys.exc_info()[:2])
exc_info.append(traceback.format_exc())
if (
fallback_result is not SENTINEL and
self.operation and
not self.operation.swagger_spec.config['bravado'].disable_fallback_results
):
swagger_result = fallback_result(e) if callable(fallback_result) else fallback_result
else:
six.reraise(*sys.exc_info())
metadata_class = self.operation.swagger_spec.config['bravado'].response_metadata_class
response_metadata = metadata_class(
incoming_response=incoming_response,
swagger_result=swagger_result,
start_time=self._start_time,
request_end_time=request_end_time,
handled_exception_info=exc_info,
request_config=self.request_config,
)
return BravadoResponse(
result=swagger_result,
metadata=response_metadata,
)
def response(
self,
timeout=None, # type: typing.Optional[float]
fallback_result=SENTINEL, # type: typing.Union[_SENTINEL, T, typing.Callable[[BaseException], T]] # noqa
exceptions_to_catch=FALLBACK_EXCEPTIONS, # type: typing.Tuple[typing.Type[BaseException], ...]
):
# type: (...) -> BravadoResponse[T]
"""Blocking call to wait for the HTTP response.
:param timeout: Number of seconds to wait for a response. Defaults to
None which means wait indefinitely.
:type timeout: float
:param fallback_result: either the swagger result or a callable that accepts an exception as argument
and returns the swagger result to use in case of errors
:param exceptions_to_catch: Exception classes to catch and call `fallback_result`
with. Has no effect if `fallback_result` is not provided. By default, `fallback_result`
will be called for read timeout and server errors (HTTP 5XX).
:return: A BravadoResponse instance containing the swagger result and response metadata.
"""
incoming_response = None
exc_info = None # type: typing.Optional[typing.List[typing.Union[typing.Type[BaseException], BaseException, typing.Text]]] # noqa: E501
request_end_time = None
if self.request_config.force_fallback_result:
exceptions_to_catch = tuple(
chain(exceptions_to_catch, (ForcedFallbackResultError, )))
try:
incoming_response = self._get_incoming_response(timeout)
request_end_time = monotonic.monotonic()
swagger_result = self._get_swagger_result(incoming_response)
if self.operation is None and incoming_response.status_code >= 300:
raise make_http_exception(response=incoming_response)
# Trigger fallback_result if the option is set
if fallback_result is not SENTINEL and self.request_config.force_fallback_result:
if self._bravado_config.disable_fallback_results:
log.warning(
'force_fallback_result set in request options and disable_fallback_results '
'set in client config; not using fallback result.')
else:
# raise an exception to trigger fallback result handling
raise ForcedFallbackResultError()
except exceptions_to_catch as e:
if request_end_time is None:
request_end_time = monotonic.monotonic()
exc_info = []
# the return values of exc_info are annotated as Optional, but we know they are set in this case.
# additionally, we can't use a cast() since that caused a runtime exception on some older versions
# of Python 3.5.
exc_info.extend(sys.exc_info()[:2]) # type: ignore
# the Python 2 documentation states that we shouldn't assign the traceback to a local variable,
# as that would cause a circular reference. We'll store a string representation of the traceback
# instead.
exc_info.append(traceback.format_exc())
if (fallback_result is not SENTINEL and self.operation
and not self.operation.swagger_spec.config['bravado'].
disable_fallback_results):
if callable(fallback_result):
swagger_result = fallback_result(e)
else:
swagger_result = typing.cast(T, fallback_result)
else:
six.reraise(*sys.exc_info())
metadata_class = self._bravado_config.response_metadata_class
response_metadata = metadata_class(
incoming_response=incoming_response,
swagger_result=swagger_result,
start_time=self._start_time,
request_end_time=request_end_time,
handled_exception_info=exc_info,
request_config=self.request_config,
)
return BravadoResponse(
result=swagger_result,
metadata=response_metadata,
)
def response(
self,
timeout=None, # type: typing.Optional[float]
fallback_result=SENTINEL, # type: typing.Union[_SENTINEL, T, typing.Callable[[BaseException], T]] # noqa
exceptions_to_catch=FALLBACK_EXCEPTIONS, # type: typing.Tuple[typing.Type[BaseException], ...]
):
# type: (...) -> BravadoResponse[T]
"""Blocking call to wait for the HTTP response.
:param timeout: Number of seconds to wait for a response. Defaults to
None which means wait indefinitely.
:type timeout: float
:param fallback_result: either the swagger result or a callable that accepts an exception as argument
and returns the swagger result to use in case of errors
:param exceptions_to_catch: Exception classes to catch and call `fallback_result`
with. Has no effect if `fallback_result` is not provided. By default, `fallback_result`
will be called for read timeout and server errors (HTTP 5XX).
:return: A BravadoResponse instance containing the swagger result and response metadata.
"""
incoming_response = None
exc_info = None # type: typing.Optional[typing.List[typing.Union[typing.Type[BaseException], BaseException, typing.Text]]] # noqa: E501
request_end_time = None
if self.request_config.force_fallback_result:
exceptions_to_catch = tuple(chain(exceptions_to_catch, (ForcedFallbackResultError,)))
try:
incoming_response = self._get_incoming_response(timeout)
request_end_time = monotonic.monotonic()
swagger_result = self._get_swagger_result(incoming_response)
if self.operation is None and incoming_response.status_code >= 300:
raise make_http_exception(response=incoming_response)
# Trigger fallback_result if the option is set
if fallback_result is not SENTINEL and self.request_config.force_fallback_result:
if self._bravado_config.disable_fallback_results:
log.warning(
'force_fallback_result set in request options and disable_fallback_results '
'set in client config; not using fallback result.'
)
else:
# raise an exception to trigger fallback result handling
raise ForcedFallbackResultError()
except exceptions_to_catch as e:
if request_end_time is None:
request_end_time = monotonic.monotonic()
exc_info = []
# the return values of exc_info are annotated as Optional, but we know they are set in this case.
# additionally, we can't use a cast() since that caused a runtime exception on some older versions
# of Python 3.5.
exc_info.extend(sys.exc_info()[:2]) # type: ignore
# the Python 2 documentation states that we shouldn't assign the traceback to a local variable,
# as that would cause a circular reference. We'll store a string representation of the traceback
# instead.
exc_info.append(traceback.format_exc())
if (
fallback_result is not SENTINEL and
self.operation and
not self.operation.swagger_spec.config['bravado'].disable_fallback_results
):
if callable(fallback_result):
swagger_result = fallback_result(e)
else:
swagger_result = typing.cast(T, fallback_result)
else:
six.reraise(*sys.exc_info())
metadata_class = self._bravado_config.response_metadata_class
response_metadata = metadata_class(
incoming_response=incoming_response,
swagger_result=swagger_result,
start_time=self._start_time,
request_end_time=request_end_time,
handled_exception_info=exc_info,
request_config=self.request_config,
)
return BravadoResponse(
result=swagger_result,
metadata=response_metadata,
)
