def request(self):
try:
self.curl.perform()
except pycurl.error as ex:
# CURLE_WRITE_ERROR (23)
# An error occurred when writing received data to a local file, or
# an error was returned to libcurl from a write callback.
# This exception should be ignored if _callback_interrupted flag
# is enabled (this happens when nohead or nobody options enabled)
#
# Also this error is raised when curl receives KeyboardInterrupt
# while it is processing some callback function
# (WRITEFUNCTION, HEADERFUNCTIO, etc)
if 23 == ex.args[0]:
if getattr(self.curl, '_callback_interrupted', None) is True:
self.curl._callback_interrupted = False
else:
raise error.GrabNetworkError(ex.args[0], ex.args[1])
else:
if ex.args[0] == 28:
raise error.GrabTimeoutError(ex.args[0], ex.args[1])
elif ex.args[0] == 7:
raise error.GrabConnectionError(ex.args[0], ex.args[1])
elif ex.args[0] == 67:
raise error.GrabAuthError(ex.args[0], ex.args[1])
elif ex.args[0] == 47:
raise error.GrabTooManyRedirectsError(
ex.args[0], ex.args[1])
else:
raise error.GrabNetworkError(ex.args[0], ex.args[1])
def request(self):
stderr_proxy = StderrProxy()
try:
with stderr_proxy.record():
self.curl.perform()
except pycurl.error as ex:
# CURLE_WRITE_ERROR (23)
# An error occurred when writing received data to a local file, or
# an error was returned to libcurl from a write callback.
# This exception should be ignored if grab_callback_interrupted flag
# is enabled (this happens when nohead or nobody options enabled)
#
# Also this error is raised when curl receives KeyboardInterrupt
# while it is processing some callback function
# (WRITEFUNCTION, HEADERFUNCTIO, etc)
# If you think WTF then see details here:
# https://github.com/pycurl/pycurl/issues/413
if self.has_pycurl_hidden_sigint(stderr_proxy.get_output()):
raise KeyboardInterrupt
if 23 == ex.args[0]:
if getattr(self.curl, 'grab_callback_interrupted', None) is True:
# This is expected error caused by
# interruptted execution of body_processor callback
# FIXME: is it set automatically?
self.curl.grab_callback_interrupted = False
else:
raise error.GrabNetworkError(ex.args[0], ex.args[1])
else:
if ex.args[0] == 28:
raise error.GrabTimeoutError(ex.args[0], ex.args[1])
elif ex.args[0] == 7:
raise error.GrabConnectionError(ex.args[0], ex.args[1])
elif ex.args[0] == 67:
raise error.GrabAuthError(ex.args[0], ex.args[1])
elif ex.args[0] == 47:
raise error.GrabTooManyRedirectsError(ex.args[0],
ex.args[1])
elif ex.args[0] == 6:
raise error.GrabCouldNotResolveHostError(ex.args[0],
ex.args[1])
else:
raise error.GrabNetworkError(ex.args[0], ex.args[1])
except Exception as ex: # pylint: disable=broad-except
if self.has_pycurl_hidden_sigint(stderr_proxy.get_output()):
raise KeyboardInterrupt
six.reraise(error.GrabInternalError, error.GrabInternalError(ex),
sys.exc_info()[2])
else:
if self.has_pycurl_hidden_sigint(stderr_proxy.get_output()):
raise KeyboardInterrupt
def build_grab_exception(ex, curl):
"""
Build Grab exception from the pycurl exception
Args:
ex - the original pycurl exception
curl - the Curl instance raised the exception
"""
# CURLE_WRITE_ERROR (23)
# An error occurred when writing received data to a local file, or
# an error was returned to libcurl from a write callback.
# This exception should be ignored if grab_callback_interrupted
# flag # is enabled (this happens when nohead or nobody options
# enabled)
#
# Also this error is raised when curl receives KeyboardInterrupt
# while it is processing some callback function
# (WRITEFUNCTION, HEADERFUNCTIO, etc)
# If you think WTF then see details here:
# https://github.com/pycurl/pycurl/issues/413
if ex.args[0] == 23:
if getattr(curl, 'grab_callback_interrupted', None) is True:
# If the execution of body_process callback is
# interrupted (body_maxsize, nobody and other options)
# then the pycurl raised exception with code 23
# We should ignore it
return None
else:
return error.GrabNetworkError(ex.args[1], ex)
else:
if ex.args[0] == 28:
return error.GrabTimeoutError(ex.args[1], ex)
elif ex.args[0] == 7:
return error.GrabConnectionError(ex.args[1], ex)
elif ex.args[0] == 67:
return error.GrabAuthError(ex.args[1], ex)
elif ex.args[0] == 47:
return error.GrabTooManyRedirectsError(ex.args[1], ex)
elif ex.args[0] == 6:
return error.GrabCouldNotResolveHostError(ex.args[1], ex)
elif ex.args[0] == 3:
return error.GrabInvalidUrl(ex.args[1], ex)
else:
return error.GrabNetworkError(ex.args[1], ex)
