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rq
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Make string formatting consistent

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Vincent Driessen 10 years ago
parent 8f9c507f12
commit 94258761ae
6 changed files with 62 additions and 65 deletions
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4
rq/connections.py
Unescape Escape View File

@ -43,7 +43,7 @@ def use_connection(redis=None):
use of use_connection() and stacked connection contexts. use of use_connection() and stacked connection contexts.
""" """
assert len(_connection_stack) <= 1, \ assert len(_connection_stack) <= 1, \
'You should not mix Connection contexts with use_connection().' 'You should not mix Connection contexts with use_connection()'
release_local(_connection_stack) release_local(_connection_stack)
if redis is None: if redis is None:
@ -67,7 +67,7 @@ def resolve_connection(connection=None):
connection = get_current_connection() connection = get_current_connection()
if connection is None: if connection is None:
raise NoRedisConnectionException('Could not resolve a Redis connection.') raise NoRedisConnectionException('Could not resolve a Redis connection')
return connection return connection

22
rq/job.py
Unescape Escape View File

@ -50,7 +50,7 @@ def unpickle(pickled_string):
try: try:
obj = loads(pickled_string) obj = loads(pickled_string)
except Exception as e: except Exception as e:
raise UnpickleError('Could not unpickle.', pickled_string, e) raise UnpickleError('Could not unpickle', pickled_string, e)
return obj return obj
@ -99,9 +99,9 @@ class Job(object):
kwargs = {} kwargs = {}
if not isinstance(args, (tuple, list)): if not isinstance(args, (tuple, list)):
raise TypeError('{0!r} is not a valid args list.'.format(args)) raise TypeError('{0!r} is not a valid args list'.format(args))
if not isinstance(kwargs, dict): if not isinstance(kwargs, dict):
raise TypeError('{0!r} is not a valid kwargs dict.'.format(kwargs)) raise TypeError('{0!r} is not a valid kwargs dict'.format(kwargs))
job = cls(connection=connection) job = cls(connection=connection)
if id is not None: if id is not None:
@ -116,7 +116,7 @@ class Job(object):
job._instance = func.__self__ job._instance = func.__self__
job._func_name = func.__name__ job._func_name = func.__name__
elif inspect.isfunction(func) or inspect.isbuiltin(func): elif inspect.isfunction(func) or inspect.isbuiltin(func):
job._func_name = '%s.%s' % (func.__module__, func.__name__) job._func_name = '{0}.{1}'.format(func.__module__, func.__name__)
elif isinstance(func, string_types): elif isinstance(func, string_types):
job._func_name = as_text(func) job._func_name = as_text(func)
elif not inspect.isclass(func) and hasattr(func, '__call__'): # a callable class instance elif not inspect.isclass(func) and hasattr(func, '__call__'): # a callable class instance
@ -212,7 +212,7 @@ class Job(object):
def data(self): def data(self):
if self._data is UNEVALUATED: if self._data is UNEVALUATED:
if self._func_name is UNEVALUATED: if self._func_name is UNEVALUATED:
raise ValueError('Cannot build the job data.') raise ValueError('Cannot build the job data')
if self._instance is UNEVALUATED: if self._instance is UNEVALUATED:
self._instance = None self._instance = None
@ -317,7 +317,7 @@ class Job(object):
self.meta = {} self.meta = {}
def __repr__(self): # noqa def __repr__(self): # noqa
return 'Job(%r, enqueued_at=%r)' % (self._id, self.enqueued_at) return 'Job({0!r}, enqueued_at={1!r})'.format(self._id, self.enqueued_at)
# Data access # Data access
def get_id(self): # noqa def get_id(self): # noqa
@ -331,7 +331,7 @@ class Job(object):
def set_id(self, value): def set_id(self, value):
"""Sets a job ID for the given job.""" """Sets a job ID for the given job."""
if not isinstance(value, string_types): if not isinstance(value, string_types):
raise TypeError('id must be a string, not {0}.'.format(type(value))) raise TypeError('id must be a string, not {0}'.format(type(value)))
self._id = value self._id = value
id = property(get_id, set_id) id = property(get_id, set_id)
@ -344,7 +344,7 @@ class Job(object):
@classmethod @classmethod
def dependents_key_for(cls, job_id): def dependents_key_for(cls, job_id):
"""The Redis key that is used to store job hash under.""" """The Redis key that is used to store job hash under."""
return 'rq:job:%s:dependents' % (job_id,) return 'rq:job:{0}:dependents'.format(job_id)
@property @property
def key(self): def key(self):
@ -393,7 +393,7 @@ class Job(object):
key = self.key key = self.key
obj = decode_redis_hash(self.connection.hgetall(key)) obj = decode_redis_hash(self.connection.hgetall(key))
if len(obj) == 0: if len(obj) == 0:
raise NoSuchJobError('No such job: %s' % (key,)) raise NoSuchJobError('No such job: {0}'.format(key))
def to_date(date_str): def to_date(date_str):
if date_str is None: if date_str is None:
@ -526,7 +526,7 @@ class Job(object):
arg_list += sorted(kwargs) arg_list += sorted(kwargs)
args = ', '.join(arg_list) args = ', '.join(arg_list)
return '%s(%s)' % (self.func_name, args) return '{0}({1})'.format(self.func_name, args)
def cleanup(self, ttl=None, pipeline=None): def cleanup(self, ttl=None, pipeline=None):
"""Prepare job for eventual deletion (if needed). This method is usually """Prepare job for eventual deletion (if needed). This method is usually
@ -565,7 +565,7 @@ class Job(object):
connection.sadd(Job.dependents_key_for(self._dependency_id), self.id) connection.sadd(Job.dependents_key_for(self._dependency_id), self.id)
def __str__(self): def __str__(self):
return '<Job %s: %s>' % (self.id, self.description) return '<Job {0}: {1}>'.format(self.id, self.description)
# Job equality # Job equality
def __eq__(self, other): # noqa def __eq__(self, other): # noqa

20
rq/queue.py
Unescape Escape View File

@ -49,7 +49,7 @@ class Queue(object):
""" """
prefix = cls.redis_queue_namespace_prefix prefix = cls.redis_queue_namespace_prefix
if not queue_key.startswith(prefix): if not queue_key.startswith(prefix):
raise ValueError('Not a valid RQ queue key: %s' % (queue_key,)) raise ValueError('Not a valid RQ queue key: {0}'.format(queue_key))
name = queue_key[len(prefix):] name = queue_key[len(prefix):]
return cls(name, connection=connection) return cls(name, connection=connection)
@ -58,7 +58,7 @@ class Queue(object):
self.connection = resolve_connection(connection) self.connection = resolve_connection(connection)
prefix = self.redis_queue_namespace_prefix prefix = self.redis_queue_namespace_prefix
self.name = name self.name = name
self._key = '%s%s' % (prefix, name) self._key = '{0}{1}'.format(prefix, name)
self._default_timeout = default_timeout self._default_timeout = default_timeout
self._async = async self._async = async
@ -230,7 +230,7 @@ class Queue(object):
""" """
if not isinstance(f, string_types) and f.__module__ == '__main__': if not isinstance(f, string_types) and f.__module__ == '__main__':
raise ValueError('Functions from the __main__ module cannot be processed ' raise ValueError('Functions from the __main__ module cannot be processed '
'by workers.') 'by workers')
# Detect explicit invocations, i.e. of the form: # Detect explicit invocations, i.e. of the form:
# q.enqueue(foo, args=(1, 2), kwargs={'a': 1}, timeout=30) # q.enqueue(foo, args=(1, 2), kwargs={'a': 1}, timeout=30)
@ -243,7 +243,7 @@ class Queue(object):
at_front = kwargs.pop('at_front', False) at_front = kwargs.pop('at_front', False)
if 'args' in kwargs or 'kwargs' in kwargs: if 'args' in kwargs or 'kwargs' in kwargs:
assert args == (), 'Extra positional arguments cannot be used when using explicit args and kwargs.' # noqa assert args == (), 'Extra positional arguments cannot be used when using explicit args and kwargs' # noqa
args = kwargs.pop('args', None) args = kwargs.pop('args', None)
kwargs = kwargs.pop('kwargs', None) kwargs = kwargs.pop('kwargs', None)
@ -314,7 +314,7 @@ class Queue(object):
connection = resolve_connection(connection) connection = resolve_connection(connection)
if timeout is not None: # blocking variant if timeout is not None: # blocking variant
if timeout == 0: if timeout == 0:
raise ValueError('RQ does not support indefinite timeouts. Please pick a timeout value > 0.') raise ValueError('RQ does not support indefinite timeouts. Please pick a timeout value > 0')
result = connection.blpop(queue_keys, timeout) result = connection.blpop(queue_keys, timeout)
if result is None: if result is None:
raise DequeueTimeout(timeout, queue_keys) raise DequeueTimeout(timeout, queue_keys)
@ -385,22 +385,22 @@ class Queue(object):
# auto-generated by the @total_ordering decorator) # auto-generated by the @total_ordering decorator)
def __eq__(self, other): # noqa def __eq__(self, other): # noqa
if not isinstance(other, Queue): if not isinstance(other, Queue):
raise TypeError('Cannot compare queues to other objects.') raise TypeError('Cannot compare queues to other objects')
return self.name == other.name return self.name == other.name
def __lt__(self, other): def __lt__(self, other):
if not isinstance(other, Queue): if not isinstance(other, Queue):
raise TypeError('Cannot compare queues to other objects.') raise TypeError('Cannot compare queues to other objects')
return self.name < other.name return self.name < other.name
def __hash__(self): def __hash__(self):
return hash(self.name) return hash(self.name)
def __repr__(self): # noqa def __repr__(self): # noqa
return 'Queue(%r)' % (self.name,) return 'Queue({0!r})'.format(self.name)
def __str__(self): def __str__(self):
return '<Queue \'%s\'>' % (self.name,) return '<Queue {0!r}>'.format(self.name)
class FailedQueue(Queue): class FailedQueue(Queue):
@ -436,7 +436,7 @@ class FailedQueue(Queue):
# Delete it from the failed queue (raise an error if that failed) # Delete it from the failed queue (raise an error if that failed)
if self.remove(job) == 0: if self.remove(job) == 0:
raise InvalidJobOperationError('Cannot requeue non-failed jobs.') raise InvalidJobOperationError('Cannot requeue non-failed jobs')
job.set_status(JobStatus.QUEUED) job.set_status(JobStatus.QUEUED)
job.exc_info = None job.exc_info = None

6
rq/registry.py
Unescape Escape View File

@ -69,7 +69,7 @@ class StartedJobRegistry(BaseRegistry):
def __init__(self, name='default', connection=None): def __init__(self, name='default', connection=None):
super(StartedJobRegistry, self).__init__(name, connection) super(StartedJobRegistry, self).__init__(name, connection)
self.key = 'rq:wip:%s' % name self.key = 'rq:wip:{0}'.format(name)
def cleanup(self, timestamp=None): def cleanup(self, timestamp=None):
"""Remove expired jobs from registry and add them to FailedQueue. """Remove expired jobs from registry and add them to FailedQueue.
@ -108,7 +108,7 @@ class FinishedJobRegistry(BaseRegistry):
def __init__(self, name='default', connection=None): def __init__(self, name='default', connection=None):
super(FinishedJobRegistry, self).__init__(name, connection) super(FinishedJobRegistry, self).__init__(name, connection)
self.key = 'rq:finished:%s' % name self.key = 'rq:finished:{0}'.format(name)
def cleanup(self, timestamp=None): def cleanup(self, timestamp=None):
"""Remove expired jobs from registry. """Remove expired jobs from registry.
@ -128,7 +128,7 @@ class DeferredJobRegistry(BaseRegistry):
def __init__(self, name='default', connection=None): def __init__(self, name='default', connection=None):
super(DeferredJobRegistry, self).__init__(name, connection) super(DeferredJobRegistry, self).__init__(name, connection)
self.key = 'rq:deferred:%s' % name self.key = 'rq:deferred:{0}'.format(name)
def cleanup(self): def cleanup(self):
"""This method is only here to prevent errors because this method is """This method is only here to prevent errors because this method is

2
rq/timeouts.py
Unescape Escape View File

@ -48,7 +48,7 @@ class UnixSignalDeathPenalty(BaseDeathPenalty):
def handle_death_penalty(self, signum, frame): def handle_death_penalty(self, signum, frame):
raise JobTimeoutException('Job exceeded maximum timeout ' raise JobTimeoutException('Job exceeded maximum timeout '
'value (%d seconds).' % self._timeout) 'value ({0} seconds)'.format(self._timeout))
def setup_death_penalty(self): def setup_death_penalty(self):
"""Sets up an alarm signal and a signal handler that raises """Sets up an alarm signal and a signal handler that raises

69
rq/worker.py
Unescape Escape View File

@ -102,7 +102,7 @@ class Worker(object):
""" """
prefix = cls.redis_worker_namespace_prefix prefix = cls.redis_worker_namespace_prefix
if not worker_key.startswith(prefix): if not worker_key.startswith(prefix):
raise ValueError('Not a valid RQ worker key: %s' % (worker_key,)) raise ValueError('Not a valid RQ worker key: {0}'.format(worker_key))
if connection is None: if connection is None:
connection = get_current_connection() connection = get_current_connection()
@ -166,13 +166,12 @@ class Worker(object):
raise NoQueueError('{0} is not a queue'.format(queue)) raise NoQueueError('{0} is not a queue'.format(queue))
def process_queue_args(self, queue_args): def process_queue_args(self, queue_args):
""" allow for a string, a queue an iterable of strings """Allow for a string, a queue an iterable of strings or an iterable of queues"""
or an iterable of queues"""
if isinstance(queue_args, text_type): if isinstance(queue_args, text_type):
return self.queue_class(name = queue_args) return self.queue_class(name=queue_args)
else: else:
return [self.queue_class(name=queue_arg) if isinstance(queue_arg, text_type) return [self.queue_class(name=queue_arg) if isinstance(queue_arg, text_type) else queue_arg
else queue_arg for queue_arg in queue_args] for queue_arg in queue_args]
def queue_names(self): def queue_names(self):
"""Returns the queue names of this worker's queues.""" """Returns the queue names of this worker's queues."""
@ -193,7 +192,7 @@ class Worker(object):
if self._name is None: if self._name is None:
hostname = socket.gethostname() hostname = socket.gethostname()
shortname, _, _ = hostname.partition('.') shortname, _, _ = hostname.partition('.')
self._name = '%s.%s' % (shortname, self.pid) self._name = '{0}.{1}'.format(shortname, self.pid)
return self._name return self._name
@property @property
@ -223,15 +222,15 @@ class Worker(object):
This can be used to make `ps -ef` output more readable. This can be used to make `ps -ef` output more readable.
""" """
setprocname('rq: %s' % (message,)) setprocname('rq: {0}'.format(message))
def register_birth(self): def register_birth(self):
"""Registers its own birth.""" """Registers its own birth."""
self.log.debug('Registering birth of worker %s' % (self.name,)) self.log.debug('Registering birth of worker {0}'.format(self.name))
if self.connection.exists(self.key) and \ if self.connection.exists(self.key) and \
not self.connection.hexists(self.key, 'death'): not self.connection.hexists(self.key, 'death'):
raise ValueError('There exists an active worker named \'%s\' ' msg = 'There exists an active worker named {0!r} already'
'already.' % (self.name,)) raise ValueError(msg.format(self.name))
key = self.key key = self.key
queues = ','.join(self.queue_names()) queues = ','.join(self.queue_names())
with self.connection._pipeline() as p: with self.connection._pipeline() as p:
@ -326,18 +325,18 @@ class Worker(object):
def request_force_stop(signum, frame): def request_force_stop(signum, frame):
"""Terminates the application (cold shutdown). """Terminates the application (cold shutdown).
""" """
self.log.warning('Cold shut down.') self.log.warning('Cold shut down')
# Take down the horse with the worker # Take down the horse with the worker
if self.horse_pid: if self.horse_pid:
msg = 'Taking down horse %d with me.' % self.horse_pid msg = 'Taking down horse {0} with me'.format(self.horse_pid)
self.log.debug(msg) self.log.debug(msg)
try: try:
os.kill(self.horse_pid, signal.SIGKILL) os.kill(self.horse_pid, signal.SIGKILL)
except OSError as e: except OSError as e:
# ESRCH ("No such process") is fine with us # ESRCH ("No such process") is fine with us
if e.errno != errno.ESRCH: if e.errno != errno.ESRCH:
self.log.debug('Horse already down.') self.log.debug('Horse already down')
raise raise
raise SystemExit() raise SystemExit()
@ -345,12 +344,12 @@ class Worker(object):
"""Stops the current worker loop but waits for child processes to """Stops the current worker loop but waits for child processes to
end gracefully (warm shutdown). end gracefully (warm shutdown).
""" """
self.log.debug('Got signal %s.' % signal_name(signum)) self.log.debug('Got signal {0}'.format(signal_name(signum)))
signal.signal(signal.SIGINT, request_force_stop) signal.signal(signal.SIGINT, request_force_stop)
signal.signal(signal.SIGTERM, request_force_stop) signal.signal(signal.SIGTERM, request_force_stop)
msg = 'Warm shut down requested.' msg = 'Warm shut down requested'
self.log.warning(msg) self.log.warning(msg)
# If shutdown is requested in the middle of a job, wait until # If shutdown is requested in the middle of a job, wait until
@ -374,12 +373,12 @@ class Worker(object):
while not self.stopped and is_suspended(self.connection): while not self.stopped and is_suspended(self.connection):
if burst: if burst:
self.log.info('Suspended in burst mode -- exiting.' self.log.info('Suspended in burst mode, exiting')
'Note: There could still be unperformed jobs on the queue') self.log.info('Note: There could still be unfinished jobs on the queue')
raise StopRequested raise StopRequested
if not notified: if not notified:
self.log.info('Worker suspended, use "rq resume" command to resume') self.log.info('Worker suspended, run `rq resume` to resume')
before_state = self.get_state() before_state = self.get_state()
self.set_state(WorkerStatus.SUSPENDED) self.set_state(WorkerStatus.SUSPENDED)
notified = True notified = True
@ -402,7 +401,7 @@ class Worker(object):
did_perform_work = False did_perform_work = False
self.register_birth() self.register_birth()
self.log.info("RQ worker, '%s', started, version %s" % (self.key, VERSION)) self.log.info("RQ worker {0!r} started, version %s".format(self.key, VERSION))
self.set_state(WorkerStatus.STARTED) self.set_state(WorkerStatus.STARTED)
try: try:
@ -414,7 +413,7 @@ class Worker(object):
self.clean_registries() self.clean_registries()
if self.stopped: if self.stopped:
self.log.info('Stopping on request.') self.log.info('Stopping on request')
break break
timeout = None if burst else max(1, self.default_worker_ttl - 60) timeout = None if burst else max(1, self.default_worker_ttl - 60)
@ -422,7 +421,7 @@ class Worker(object):
result = self.dequeue_job_and_maintain_ttl(timeout) result = self.dequeue_job_and_maintain_ttl(timeout)
if result is None: if result is None:
if burst: if burst:
self.log.info("RQ worker, '%s', done, quitting." % self.key) self.log.info("RQ worker {0!r} done, quitting".format(self.key))
break break
except StopRequested: except StopRequested:
break break
@ -446,10 +445,9 @@ class Worker(object):
qnames = self.queue_names() qnames = self.queue_names()
self.set_state(WorkerStatus.IDLE) self.set_state(WorkerStatus.IDLE)
self.procline('Listening on %s' % ','.join(qnames)) self.procline('Listening on {0}'.format(','.join(qnames)))
self.log.info('') self.log.info('')
self.log.info('*** Listening on %s...' % self.log.info('*** Listening on {0}...'.format(green(', '.join(qnames))))
green(', '.join(qnames)))
while True: while True:
self.heartbeat() self.heartbeat()
@ -459,7 +457,7 @@ class Worker(object):
connection=self.connection) connection=self.connection)
if result is not None: if result is not None:
job, queue = result job, queue = result
self.log.info('%s: %s (%s)' % (green(queue.name), self.log.info('{0}: {1} ({2})'.format(green(queue.name),
blue(job.description), job.id)) blue(job.description), job.id))
break break
@ -497,7 +495,7 @@ class Worker(object):
self.main_work_horse(job) self.main_work_horse(job)
else: else:
self._horse_pid = child_pid self._horse_pid = child_pid
self.procline('Forked %d at %d' % (child_pid, time.time())) self.procline('Forked {0} at {0}'.format(child_pid, time.time()))
while True: while True:
try: try:
self.set_state('busy') self.set_state('busy')
@ -552,9 +550,8 @@ class Worker(object):
job.set_status(JobStatus.STARTED, pipeline=pipeline) job.set_status(JobStatus.STARTED, pipeline=pipeline)
pipeline.execute() pipeline.execute()
self.procline('Processing %s from %s since %s' % ( msg = 'Processing {0} from {1} since {2}'
job.func_name, self.procline(msg.format(job.func_name, job.origin, time.time()))
job.origin, time.time()))
def perform_job(self, job): def perform_job(self, job):
"""Performs the actual work of a job. Will/should only be called """Performs the actual work of a job. Will/should only be called
@ -599,14 +596,14 @@ class Worker(object):
if rv is None: if rv is None:
self.log.info('Job OK') self.log.info('Job OK')
else: else:
self.log.info('Job OK, result = %s' % (yellow(text_type(rv)),)) self.log.info('Job OK, result = {0!r}'.format(yellow(text_type(rv))))
if result_ttl == 0: if result_ttl == 0:
self.log.info('Result discarded immediately.') self.log.info('Result discarded immediately')
elif result_ttl > 0: elif result_ttl > 0:
self.log.info('Result is kept for %d seconds.' % result_ttl) self.log.info('Result is kept for {0} seconds'.format(result_ttl))
else: else:
self.log.warning('Result will never expire, clean up result key manually.') self.log.warning('Result will never expire, clean up result key manually')
return True return True
@ -622,7 +619,7 @@ class Worker(object):
}) })
for handler in reversed(self._exc_handlers): for handler in reversed(self._exc_handlers):
self.log.debug('Invoking exception handler %s' % (handler,)) self.log.debug('Invoking exception handler {0}'.format(handler))
fallthrough = handler(job, *exc_info) fallthrough = handler(job, *exc_info)
# Only handlers with explicit return values should disable further # Only handlers with explicit return values should disable further
@ -636,7 +633,7 @@ class Worker(object):
def move_to_failed_queue(self, job, *exc_info): def move_to_failed_queue(self, job, *exc_info):
"""Default exception handler: move the job to the failed queue.""" """Default exception handler: move the job to the failed queue."""
exc_string = ''.join(traceback.format_exception(*exc_info)) exc_string = ''.join(traceback.format_exception(*exc_info))
self.log.warning('Moving job to %s queue.' % self.failed_queue.name) self.log.warning('Moving job to {0!r} queue'.format(self.failed_queue.name))
self.failed_queue.quarantine(job, exc_info=exc_string) self.failed_queue.quarantine(job, exc_info=exc_string)
def push_exc_handler(self, handler_func): def push_exc_handler(self, handler_func):

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