def errback(failure):
try:
if failure.check(ServerMessage):
self.root.runCallback('msg', failure.getErrorMessage())
else:
self.root.runCallback('debug', failure.getErrorMessage())
self.root._failure()
finally:
self._startCall()
def on_failure(self, failure, request):
"""
Handle exceptions raised during RestResource processing
:param failure: ``twisted.python.failure.Failure`` instance
:param request: ``twisted.web.server.Request`` instance
"""
fq_name = self.__module__ + '.' + self.__class__.__name__
file_path = abspath(inspect.getfile(self.__class__))
if failure.check(CancelledError):
# the request / deferred chain has been cancelled early.
# doesn't matter if we respond no one is listening.
rstr = err = 'Request was cancelled'
elif failure.check(_DefGen_Return):
failure.printBriefTraceback()
err = dedent('''
Received a Deferred Generator Response from Resource (%s)
in the method: [%s] ....................................
This indicates you may be missing a yield statement and
the decorator `@defer.inlineCallbacks`.
File: %s
If you do not have a yield statement, you should use a regular
`return` statement and remove `defer.returnValue()`
''' % (fq_name, request.method_called, file_path)).strip()
log.err(err + ' - ' + failure.getErrorMessage())
rstr = self.ERROR_CLASS(
INTERNAL_SERVER_ERROR,
err,
failure.getErrorMessage(),
is_logged=False
).render(request)
else:
log.err('Exception in Resource (%s) [%s] <%s> - %s' % (
fq_name, request.method_called, file_path, failure.getErrorMessage()))
failure.printTraceback()
rstr = self.ERROR_CLASS(
INTERNAL_SERVER_ERROR,
'Unhandled Error',
'Exception in Resource (%s) [%s] <%s> - %s' % (
fq_name, request.method_called, file_path, failure.getTraceback()),
is_logged=False
).render(request)
if request.finished:
return
request.write(rstr)
request.finish()
def failed(failure):
print 'download failed for ', str(url)
if failure.getErrorMessage() in ['Connection was closed cleanly.',
'User timeout caused connection failure.',
]:
retries = self.img_fetch_count.get(str(url), 0)
if retries <= self.img_max_retries:
print 'retrying download! (%d)' % retries
self._download_image(url, title)
else:
print 'skipping img, max retry count reached'
else:
print 'unknown download error:', failure.getErrorMessage()
print failure
def errback(failure):
try:
if failure.check(ServerMessage):
self.root.runCallback('msg', failure.getErrorMessage())
self.root._failure()
finally:
self._startCall()
def report_error(failure, line_fun=None, include_stacktrace=True):
if line_fun is None:
def line_fun(line):
logger.debug(line)
if isinstance(failure, SshFailure):
return failure
if hasattr(failure.value, 'component'):
line_fun('%s%s: %s' % (_determine_issued_command(failure),
failure.value.component,
failure.getErrorMessage()))
else:
line_fun(failure.getErrorMessage())
if include_stacktrace:
for line in failure.getBriefTraceback().splitlines():
line_fun(line)
return failure
def errorCbk(self, failure, args):
'''
Errback for error in operator detection http
'''
request = args['request']
request.write(self.exceptionToJson(request, failure.getErrorMessage()))
request.finish()
def errback(failure):
if not self.currentlyAsking:
return
self.currentlyAsking = False
if failure.check(ServerMessage):
self.root.runCallback('msg', failure.getErrorMessage())
self.root._failure()
self._startCall()
def errback(failure):
if not self.currentlyAsking:
return
self.currentlyAsking = False
if failure.check(ServerMessage):
self.root.runCallback('msg', failure.getErrorMessage())
self.root._failure()
self._startCall()
def printError(self, failure, request):
"""Imprime el error de failure y genera una fila
vacia para la consulta de la base de datos
"""
session = request.getSession()
d = defer.maybeDeferred(lambda :None)
d.addCallback(lambda a: request.write("""<div class="error"> %s </div>""" % \
failure.getErrorMessage()))
d.addCallback(self.getEmptyRow, 2)
return d
def _formatFailure(failure):
res = errorTemplate%(
"<h1>Internal Error</h1><p>A(n)"
" %s exception occurred. The"
" accompanying message is: '%s'</p>"
"<p>If you are seeing this, it is always a bug in our code"
" or the data descriptions, and we would be extremely grateful"
" for a report at"
" %s</p>"%(failure.value.__class__.__name__,
common.escapeForHTML(failure.getErrorMessage()),config.getMeta("contact.email").getContent()))
return res.encode("ascii", "ignore")
def parseEb(failure):
self.debug("parse: eb: failure: %r\n%s\n", failure.getErrorMessage(), failure.getTraceback())
# we can get here even before we run the reactor below;
# so schedule a stop instead of doing it here
# self.reactor.stop()
self.reactor.callLater(0, self.reactor.stop)
if failure.check(command.CommandExited):
self.stderr.write(failure.value.output + "\n")
reason = failure.value.status
self.returnValue = reason
return reason
self.warning("errback: %r", failure.getErrorMessage())
self.stderr.write("Failure: %s\n" % failure.value)
self.returnValue = failure
# we handled it by storing it for reraising, so don't
# return it
return
def parseEb(failure):
self.debug('parse: eb: failure: %r\n%s\n',
failure.getErrorMessage(), failure.getTraceback())
# we can get here even before we run the reactor below;
# so schedule a stop instead of doing it here
# self.reactor.stop()
self.reactor.callLater(0, self.reactor.stop)
if failure.check(command.CommandExited):
self.stderr.write(failure.value.output + '\n')
reason = failure.value.status
self.returnValue = reason
return reason
self.warning('errback: %r', failure.getErrorMessage())
self.stderr.write('Failure: %s\n' % failure.value)
self.returnValue = failure
# we handled it by storing it for reraising, so don't
# return it
return
def report_error(failure, line_fun=None, include_stacktrace=False):
if getattr(failure, "handled", False):
return failure
failure.handled = True
if line_fun is None:
def line_fun(line):
logger.debug(line)
if isinstance(failure, SshFailure):
return failure
if hasattr(failure.value, 'component'):
line_fun('%s%s: %s' %
(_determine_issued_command(failure), failure.value.component,
failure.getErrorMessage()))
else:
line_fun(failure.getErrorMessage())
logger.debug(failure.getTraceback())
if include_stacktrace:
for line in failure.getBriefTraceback().splitlines():
line_fun(line)
return failure
def _error_handler(self, failure):
exception = failure.value
msg = failure.getErrorMessage()
if isinstance(exception, web_error.Error):
status = int(exception.status)
if status == 409:
raise ConflictError(msg)
elif status == 404:
raise NotFoundError(msg)
else:
self.info(exception.response)
raise NotImplementedError("Behaviour for response code %d not define yet, FIXME!" % status)
elif failure.check(error.ConnectionRefusedError):
self._on_disconnected()
self.reconnect()
raise NotConnectedError("Database connection refused.")
else:
failure.raiseException()
def unexpectedError(self, failure):
request = errorlog.ScriptRequest([
('branch_id', self.branch_id),
('source', self.source_url),
('dest', self.destination_url),
('error-explanation', failure.getErrorMessage())])
request.URL = get_canonical_url_for_branch_name(self.unique_name)
# If the sub-process exited abnormally, the stderr it produced is
# probably a much more interesting traceback than the one attached to
# the Failure we've been passed.
tb = None
if failure.check(error.ProcessTerminated, UnexpectedStderr):
tb = getattr(failure, 'error', None)
if tb is None:
tb = failure.getTraceback()
errorlog.globalErrorUtility.raising(
(failure.type, failure.value, tb), request)
self.logger.info('Recorded %s', request.oopsid)
def unexpectedError(self, failure):
request = errorlog.ScriptRequest([('branch_id', self.branch_id),
('source', self.source_url),
('dest', self.destination_url),
('error-explanation',
failure.getErrorMessage())])
request.URL = get_canonical_url_for_branch_name(self.unique_name)
# If the sub-process exited abnormally, the stderr it produced is
# probably a much more interesting traceback than the one attached to
# the Failure we've been passed.
tb = None
if failure.check(error.ProcessTerminated, UnexpectedStderr):
tb = getattr(failure, 'error', None)
if tb is None:
tb = failure.getTraceback()
errorlog.globalErrorUtility.raising((failure.type, failure.value, tb),
request)
self.logger.info('Recorded %s', request.oopsid)
def _error_handler(self, failure, tag=None):
exception = failure.value
msg = failure.getErrorMessage()
if isinstance(exception, web_error.Error):
prefix = (tag + " ") if tag is not None else ""
status = int(exception.status)
if status == 409:
raise ConflictError("%s%s" % (prefix, msg))
elif status == 404:
raise NotFoundError("%s%s" % (prefix, msg))
else:
self.error('%s%s' % (prefix, exception.response))
raise NotImplementedError(
'Behaviour for response code %d not defined yet, FIXME!' %
status)
elif failure.check(error.ConnectionRefusedError):
self._on_disconnected()
self.reconnect()
raise NotConnectedError("Database connection refused.")
else:
failure.raiseException()
def handle_error(failure=None, **kw):
# It gets really confusing if we raise an exception from this
# method (the branch remains locked, but this isn't obvious to
# the client). We could just log the failure using Twisted's
# log.err but this results in text containing traceback
# information etc being written to stderr. Since stderr is
# displayed to the user, if for example they arrive at this point
# via the smart server, we want to ensure that the message is
# sanitised. So what we will do is raise an oops and ask the user
# to log a bug with the oops information.
# See bugs 674305 and 675517 for details.
request = errorlog.ScriptRequest(
[("source", virtual_url_fragment), ("error-explanation", failure.getErrorMessage())]
)
self.unexpectedError(failure, request)
fault = faults.OopsOccurred("updating a Launchpad branch", request.oopsid)
# Twisted's log.err used to write to stderr but it doesn't now so
# we will write to stderr as well as log.err.
print >>sys.stderr, repr(fault)
log.err(repr(fault))
return fault
def handle_error(failure=None, **kw):
# It gets really confusing if we raise an exception from this
# method (the branch remains locked, but this isn't obvious to
# the client). We could just log the failure using Twisted's
# log.err but this results in text containing traceback
# information etc being written to stderr. Since stderr is
# displayed to the user, if for example they arrive at this point
# via the smart server, we want to ensure that the message is
# sanitised. So what we will do is raise an oops and ask the user
# to log a bug with the oops information.
# See bugs 674305 and 675517 for details.
request = errorlog.ScriptRequest([('source', virtual_url_fragment),
('error-explanation',
failure.getErrorMessage())])
self.unexpectedError(failure, request)
fault = faults.OopsOccurred("updating a Launchpad branch",
request.oopsid)
# Twisted's log.err used to write to stderr but it doesn't now so
# we will write to stderr as well as log.err.
print >> sys.stderr, repr(fault)
log.err(repr(fault))
return fault
def __checkJobStepResults(self, failure, status):
"Check that given self.js.status is set to correct value after certain JobStep operation"
twisted_logger.writeLog(self.logPrefix, None, "Checking test results...")
if failure is not None:
error = failure.getErrorMessage()
failure.trap(RuntimeError)
print "ERROR: %s" % error
else:
error = None
query = "select status, text_input, error, start_time, end_time from scs.job_step " \
"where job_id = %d and step_id = %d" % (self.js.jobID, self.js.stepID)
res = synchdb.query(query)
db_status, text_input, db_error, start_time, end_time = res[0]
self.assertEquals(str(self.js.input), text_input, "<scs.job_step> text_input ('%s') not equals to expected input ('%s')" % (text_input, str(self.js.input)))
self.assertEquals(error, db_error, "<scs.job_step> error ('%s') not equals to expected error ('%s')" % (db_error, error))
self.assertEquals(status, db_status, "<scs.job_step> status ('%s') not equals to expected status ('%s')" % (db_status, status))
self.assertEquals(self.js.status, status, "<js.status> ('%s') not equals to expected status ('%s')" % (self.js.status, status))
if self.js.status != 'RUNNING':
self.assertNotEquals(end_time, None)
twisted_logger.writeLog(self.logPrefix, None, "Test succeeded!")
def error(self, failure, op=""):
if failure.type == pb.PBConnectionLost:
return
serverLog.warn('Error in %s: %s' %
(op, str(failure.getErrorMessage())))
def __init__(self, database_configuration):
self.database_configuration = database_configuration
for key in ('database_name', 'user', 'password'):
setattr(self, key, database_configuration.get(key))
# Options for which we'll provide a default:
for key, default in (('protocol', 'postgresql'), ('pool_size', 10), ('timeout', 1), ('reconnect_wait', 10),
('host', '')): # The empty string as a host means use local socket
setattr(self, key, database_configuration.get(key, default))
if not self.protocol in ('postgresql', 'mysql'):
raise ValueError('The provider currently only works with PostgreSQL and MySQL, not ' + self.protocol)
# Options to provide to the underlying DBAPI-driver.
self.dbapi_options = database_configuration.get('dbapi_options', {})
self.is_connected = False
self.engine = None
self.port = None # The default port is set by _configure_(postgres|mysql)
self.on_connection_established = event.Event() #: Event called when a connection has been established. Provides a metadata instance as argument.
self.on_connection_lost = event.Event()
self.on_connection_failed = event.Event()
log_failure = lambda failure: log.error('A connection to "%s" failed: %s' % (self.database_name, failure.getErrorMessage()))
self.on_connection_failed += log_failure
self.on_connection_failed += lambda failure: self.keep_reconnecting_and_report()
self._reconnect_deferred = None
self._should_reflect = False
self._has_reflected = False
self.metadata = None
self.metadata_factory = sa.MetaData
def printError(self, failure):
"""Imprime el error de failure"""
print failure.getErrorMessage()
def _error(self, failure):
print failure.getErrorMessage()
return self._reconnect()
def downloadError(self, failure):
self.downloaded = False
self.running = False
print "Error:", failure.getErrorMessage()
self.__finishCB(None)
def _fail(failure):
print "Discovery result:", failure.getErrorMessage()
d.errback(failure)
return failure
def _loginFailed(self, failure):
self.transport.write("Denied: %s.\r\n" % failure.getErrorMessage())
self.transport.loseConnection()
def fetch_torrent_failure(self, failure):
self.download.status = Status.FAILED
self.download.status_message = unicode(failure.getErrorMessage())
if 'state_changed_alert' in self.dfm:
self.dfm['state_changed_alert'].errback(failure)
del self.dfm['state_changed_alert']
def _loginFailed(self, failure):
self.transport.write("Denied: %s.\r\n" % failure.getErrorMessage())
self.transport.loseConnection()
def fail(failure):
""" Error in NTCP"""
print 'ERROR in NTCP (get configuration):', failure.getErrorMessage()
return None
def _kStoreErr(self, failure, host, port):
logger.info("couldn't store on %s:%d -- %s"
% (host, port, failure.getErrorMessage()))
print "_kStoreErr was: %s" % failure
# XXX: updateNode--
return failure
def error(failure):
print('Failure!: %s' % failure.getErrorMessage())
reactor.stop()
def fail(failure): print "STUNT failed:", failure.getErrorMessage()
def _stopFailureHandler(self, failure):
"Server termination failure handler"
err_msg = "'%s' server shutdown failure: %s" % (self.name, failure.getErrorMessage())
twisted_logger.writeErr(self.logPrefix, self.logName, err_msg)
def errkfindnode(self, failure, key, host, port, raiseException=True):
logger.info("kFindNode %s request to %s:%d failed -- %s" % (self.abbrv,
host, port, failure.getErrorMessage()))
# XXX: updateNode--
if raiseException:
return failure
def _unresolved(failure):
print failure.getErrorMessage()
def downloadError(self, failure):
self.downloaded = False
self.running = False
print "Error:", failure.getErrorMessage()
self.__finishCB(None)
def _error(failure):
log.msg('There was an error: ' + failure.getErrorMessage())
_ensureReactorStop()
def _unresolved(failure):
print failure.getErrorMessage()
def _showError(self, failure):
return failure.getErrorMessage()
def findHash_error(self, failure, req, url, orig_resp, d):
"""Process the error in hash lookup by returning an empty L{HashObject}."""
log.msg('Hash lookup for %s resulted in an error: %s' %
(url, failure.getErrorMessage()))
self.findHash_done(HashObject(), req, url, orig_resp, d)
def _error(self, failure):
print failure.getErrorMessage()
return self._reconnect()
def _ebRender(self, failure):
self._err(failure)
if isinstance(failure.value, Fault):
return failure.value
return Fault(self.FAILURE, "An unhandled exception occurred: %s" %
failure.getErrorMessage())
def error(failure):
print('Failure!: %s' % failure.getErrorMessage())
reactor.stop()
def _fail(failure):
print "Discovery result:", failure.getErrorMessage()
d.errback(failure)
def error(self, failure, op=""):
clientLog.error('Error in %s: %s' %
(op, str(failure.getErrorMessage())))
if reactor.running:
reactor.stop()
