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770 Commits (4fc032bfbfbe45da4db2c3ce9f4aee535dbfa7df)

Author SHA1 Message Date
Vincent Driessen c337afde3a Make the connection stack thread safe. 
For this, I've included Werkzeug's context locals, which offers both
thread and greenlet safe local variables.

This fixes #47.
 13 years ago
Vincent Driessen 25d3f94c9f Use the true Python 2.7 stdlib implementation instead. 13 years ago
Vincent Driessen 4885458dde Move this hack to a separate file. 13 years ago
aiko1895 d26db69cbd added backport of total_ordering to work with 2.6 13 years ago
Vincent Driessen 100d23b72e Tag the first public release. 13 years ago
Vincent Driessen a7c229ddb1 Reflect new API in the RQ scripts. 13 years ago
Vincent Driessen 2982486448 New connection management. 
Connections can now be set explicitly on Queues, Workers, and Jobs.
Jobs that are implicitly created by Queue or Worker API calls now
inherit the connection of their creator's.

For all RQ object instances that are created now holds that the
"current" connection is used if none is passed in explicitly.  The
"current" connection is thus hold on to at creation time and won't be
changed for the lifetime of the object.

Effectively, this means that, given a default Redis connection, say you
create a queue Q1, then push another Redis connection onto the
connection stack, then create Q2. In that case, Q1 means a queue on the
first connection and Q2 on the second connection.

This is way more clear than it used to be.

Also, I've removed the `use_redis()` call, which was named ugly.
Instead, some new alternatives for connection management now exist.

You can push/pop connections now:

    >>> my_conn = Redis()
    >>> push_connection(my_conn)
    >>> q = Queue()
    >>> q.connection == my_conn
    True
    >>> pop_connection() == my_conn

Also, you can stack them syntactically:

    >>> conn1 = Redis()
    >>> conn2 = Redis('example.org', 1234)
    >>> with Connection(conn1):
    ...     q = Queue()
    ...     with Connection(conn2):
    ...         q2 = Queue()
    ...     q3 = Queue()
    >>> q.connection == conn1
    True
    >>> q2.connection == conn2
    True
    >>> q3.connection == conn1
    True

Or, if you only require a single connection to Redis (for most uses):

    >>> use_connection(Redis())
 13 years ago
Vincent Driessen 6bc173f122 Bugfix. 13 years ago
Vincent Driessen 28216cf63a Implement the requeue_job() top-level API function. 
This completely fixes #37.
 13 years ago
Vincent Driessen c684949045 Don't expose the FailedQueue class at the top-level. 
This fixes #36.
 13 years ago
Vincent Driessen 98ea29b15a Don't expose the Job class at the top-level. 
This partially fixes #37.
 13 years ago
Vincent Driessen 0b837b4b12 Don't warn. In fact, we rely on this the more. 13 years ago
Vincent Driessen 15342f14d3 Store pickled function calls as strings. 
This aids unpacking in the case of a function that isn't importable from
the worker's runtime. The unpickling will now (almost) always succeed,
and throw an ImportError later on, when the function is actually
accessed (thus imported implicitly).

The end result is a job on the failed queue, with exc_info describing
the import error, which is tremendously useful.
 13 years ago
Vincent Driessen 14ecb8e956 Add specifics on the "ImportError" to the message in case of an attribute error. 13 years ago
Vincent Driessen 844c5ed8c7 Add @slow wrapper to avoid running slow tests. 
Use ./run_tests -f to only run the fast tests.
 13 years ago
Vincent Driessen 000849c430 Initialize jobs with timeouts. 13 years ago
Vincent Driessen b8305a818f Safer, and shorter, version of the death penalty. 
This case protects against JobTimeoutExceptions being raised immediately
after the job body has been (successfully) executed.  Still,
JobTimeoutExceptions pass through naturally, like any other exception,
to be handled by the default exception handler that writes failed jobs
to the failed queue.

Timeouts therefore are reported like any other exception.
 13 years ago
Vincent Driessen 8a856e79ea Initial attempt at job timeouts. 13 years ago
Vincent Driessen fb587297f6 Requeue should not error when called on a deleted job ID. 13 years ago
Vincent Driessen 7ef3b5ade8 Cleanup job hashes for jobs without result, too. 13 years ago
Vincent Driessen 5717a0ba15 Rename Job.for_call() -> Job.create(). 
This fixes #34.
 13 years ago
Vincent Driessen 7e0b843d06 Implement requeue() method on FailedQueue. 13 years ago
Vincent Driessen 8e85c7eee3 Put Job directly in the top-level `rq` module. 13 years ago
Vincent Driessen 240d2d941d Extracted method. 
This makes the act of moving failed jobs to the failed queue
responsibility of the FailedQueue itself, not of the Worker.

This fixes #32.
 13 years ago
Vincent Driessen d64ad225eb Make FailedQueue a full subclass of Queue. 
We will add special methods on it in the future.

This fixes #33.
 13 years ago
Vincent Driessen 6f05e03293 Clean up some of the dummy jobs used for testing. 
Also, add a random_failure test.
 13 years ago
Vincent Driessen 06ce9622ea Add compact() method on Queues, to remove dead messages. 13 years ago
Vincent Driessen 70cbf00890 Refactor out an exists() and a for_key() method. 13 years ago
Vincent Driessen c49e564d3c Don't break the API when jobs get deleted. 13 years ago
Vincent Driessen bd08f24f15 Cosmetic changes to the command line output. 13 years ago
Vincent Driessen e4055ca42f Allow queues to be emptied. 13 years ago
Vincent Driessen 9e33e1a08f Implement a cancel() method on jobs. 
This fixes #29.
 13 years ago
Vincent Driessen 0a0d9d1ceb Flake8 style fixes. 13 years ago
Vincent Driessen 1a8b80604d Minor refactoring to make the to-failed queue code a bit more readable. 13 years ago
Vincent Driessen 11c7dbb376 Consistently renamed "failure" -> "failed" queue. 
Fixes #28.
 13 years ago
Vincent Driessen 9f5b1545b6 Fix: store the job result in the correct key. 
And expire job hash in Redis after 500 seconds (by default).

Fixes #27.
 13 years ago
Vincent Driessen 7bda1ca969 Encapsulate the result property (it should not directly be set). 13 years ago
Vincent Driessen 6266f68310 Style fixes (flake8). 13 years ago
Vincent Driessen 8da204f74a Always use cPickle, never 'regular' pickle. 
This fixes #18.
 13 years ago
Vincent Driessen 9318825429 Abstract away from the concrete pickle implementation. 
Choose cPickle, if available, for best performance.
 13 years ago
Vincent Driessen 90a458ca8e Add more colorful terminal output. 
For better visual parsability.
 13 years ago
Vincent Driessen 63ef198fd6 Improve work generator. 13 years ago
Vincent Driessen 791f8169f5 Remove dead code. 13 years ago
Vincent Driessen e05acfedce Fix putting jobs on the failure queue when they fail. 13 years ago
Vincent Driessen 7c903e45ef Simplify the persistence of jobs. 
Fixes #23 and #24.
 13 years ago
Vincent Driessen bffe6cbbde Encapsulate internal function call representation. 
This means it's not allowed anymore to directly set func, args, and
kwargs.  Instead, use the for_call() constructor.
 13 years ago
Vincent Driessen 370399f8f7 CHECKPOINT: dequeue_any now returns the queue that was popped from. 13 years ago
Vincent Driessen f516f8df2e CHECKPOINT: Handle failing and unreadable jobs. 
Failing (or unreadable) jobs are correctly put on the failure queue by
the worker now.
 13 years ago
Vincent Driessen b1650cb9b9 CHECKPOINT: Second part of the big refactoring. 
Jobs are now stored in separate keys, and only job IDs are put on Redis
queues.  Much of the code has been hit by this change, but it is for the
good.

No really.
 13 years ago
Vincent Driessen 65105b44c3 CHECKPOINT: Initial part of the big refactor. 13 years ago
Vincent Driessen fcca48a9d7 Rename empty property -> is_empty() method. 13 years ago
Vincent Driessen 4d2f64d4b6 Mental note to self. 13 years ago
Vincent Driessen 20e908039f Initially set the exc_info property, so it does not raise an 
AttributeException when accessed.
 13 years ago
Vincent Driessen fdce187c27 Putting failed jobs on the failure queue. 13 years ago
Vincent Driessen 7eb8d92605 Put unreadable tasks on the failure queue. 13 years ago
Vincent Driessen 0be1cb6ac0 Change the way jobs are pickled. 
There is no job tuple anymore, but instead Jobs are picklable by
themselves natively.  Furthermore, I've added a way to annotate Jobs
with created_at and enqueued_at timestamps, to drive any future Job
performance stats.  (And to enable requeueing, while keeping hold of the
queue that the Job originated from.)

This fixes #17.
 13 years ago
Vincent Driessen 0503eb2829 Clarified responsibility of the Job class. 
The Job itself has nothing to do with queueing and dequeueing, so the
DequeueError wasn't appropriate here, either.
 13 years ago
Vincent Driessen db5753b0d6 Put Job in its own file. 13 years ago
Vincent Driessen 210477c2ab Throw DequeueError when reading unprocessable data from queue. 13 years ago
Vincent Driessen 62ae299114 Fix mathematical meaning of the < operator. 
This is used for alphabetical queue ordering.
 13 years ago
Vincent Driessen 5c6f002878 Silently pass when trying to kill child that is already dead. 
This fixes #16.
 13 years ago
Vincent Driessen 039a132374 Add ellipsis, to indicate we're waiting here. 13 years ago
Vincent Driessen 66775b7012 Put the version number somewhere central. 13 years ago
Vincent Driessen aecb0a1bf0 Simplify calling .work() or .work(burst=True). 13 years ago
Vincent Driessen 636b6690d6 Add the signal name to the debug message. 13 years ago
Vincent Driessen a154ef0bd9 Remove comment. 
This ain't the right way to terminate when blocking by pop.
 13 years ago
Vincent Driessen 62949c9adb Extra debug output. 13 years ago
Vincent Driessen dde3ea8ef7 Take down horse process when the worker is terminated. 13 years ago
Vincent Driessen 4ac243b3e8 Print what signal was received in a debug statement. 13 years ago
Vincent Driessen 7769d9875f Perform a warm shutdown on SIGTERM, too. 
Just like with Ctrl+C (SIGINT), shutdown warmly at first when kill'ed
(SIGTERM).
 13 years ago
Vincent Driessen 88cbaa1df9 Slight code reshuffle + added some comments on the construction. 13 years ago
Vincent Driessen 7cba8449d9 Add comments. 13 years ago
Vincent Driessen 1cbf92c166 Workaround for os.waitpid() throwing an OSError on SIGINT. 
When SIGINT (``Ctrl+C``) is received when inside a blocking
os.waitpid(), OSError is thrown, effectively cancelling the wait.

However, to facilitate a "warm shutdown", as we intend, Ctrl+C is
perfectly allowed and we want to keep waiting for the child.  Therefore,
we perform a trick here, catching OSError, checking whether its cause
was SIGINT (errno == EINTR), and only in that case, loop to os.waitpid()
again.
 13 years ago
Vincent Driessen e278bd2967 Exit gracefully when user hits Ctrl+C in a worker. 
The currently running task will be waited for, so it can gracefully
be finished.  Further execution will be stopped.

If, during this waiting phase, Ctrl+C is hit again, the worker and the
horse will be terminated forcefully (this means work could be lost or
partially finished).
 13 years ago
Vincent Driessen ba965a1dd9 Minor text change 13 years ago
Vincent Driessen 2d2b351f7c Change logging format. 13 years ago
Vincent Driessen 8678f26df0 Factor out call string. 13 years ago
Vincent Driessen 2ec12f1775 Fix bugje. 13 years ago
Vincent Driessen 1358246238 Better logging output. 13 years ago
Vincent Driessen 1dd73cb28d Fix comment. 13 years ago
Vincent Driessen cc8f05b3c6 Add __str__ to Job. 13 years ago
Vincent Driessen 55fd393626 Worker.find_by_key method now returns None for nonexisting workers. 13 years ago
Vincent Driessen 507558f6bc Avoid forked work horse to register death of its parent worker. 13 years ago
Vincent Driessen bd1778c610 Fix comment typo's. 13 years ago
Vincent Driessen 4ad6281641 Rewrite the ANSI color formatter a bit. 13 years ago
Vincent Driessen edcc012b2d Document the Queue class. 13 years ago
Vincent Driessen 45700fc788 Delete unused file. 13 years ago
Vincent Driessen c9ba66bd59 Register workers in a central set ("rq:workers"). 13 years ago
Vincent Driessen 1f12678468 Get Worker fetch methods. 13 years ago
Vincent Driessen 9e8a4d15be Document methods. 13 years ago
Vincent Driessen 6013227f4c Remove unused property. 13 years ago
Vincent Driessen aebfe74630 Add polling/scaling graphs. 13 years ago
Vincent Driessen a905961f94 Add some sample scripts. 13 years ago
Vincent Driessen a029e5437b Add beginnings of a rqworker script. 13 years ago
Vincent Driessen d780c929c0 Change semantics of work(). Add work_burst(). 
work() will now start the worker run loop, and work_burst() now leads to
the burst-then-quit behaviour.
 13 years ago
Vincent Driessen a491ff248d Add simple helper function, to avoid users to learn about the `conn` 
stack.

This makes it easier to start using the product.
 13 years ago
Vincent Driessen 0ff2984adf Use __slots__, for minimal memory overhead. 13 years ago
Vincent Driessen 56c4445bb2 Shut up pyflakes. 13 years ago
Vincent Driessen b5ea5f32fe Variable renamed. 13 years ago
Vincent Driessen 8852859fc4 Improved the __repr__ and __str__ of Queues. 13 years ago
Vincent Driessen b4c1c85276 Add equality and comparison methods. 13 years ago
Vincent Driessen a5ea45af57 Make the dequeue methods return values consistent. 
I merely refactored the internal calls. No external API changes have been made in this commit. In order to make the dequeueing methods consistent, each dequeue method now returns a Job instance, which is just a nice lightweight wrapper around the job tuple.

The Job class makes it easier to pass the method call info around, along with some possible meta information, like the queue the job originated from.

This fixes #7.
 13 years ago
Vincent Driessen f492a5ae2b Restructure some code. 
No functional change, but leave the BLPOP'ing to the Queue, as the
queues know how to pop themselves.
 13 years ago
Vincent Driessen 1a893e60cf Have work() return whether work has been done, or not. 
And promote Worker to the rq namespace, so you can
    from rq import Worker
 13 years ago
Vincent Driessen 1c9fa66bc1 Greatly simplify the setup. 
Jobs don't even need to be tagged.  Any function can be put on queues.
 13 years ago
Vincent Driessen 62b6b180f3 Also allow args and kwargs to enqueue() calls on Queue. 13 years ago
Vincent Driessen 196a9815d2 Add dequeue method to Queue. 13 years ago
Vincent Driessen b5e0377eb0 Allow jobs to be declared without a default queue. 
This makes it impossible to use delay() on them.  Instead, you should
use enqueue().
 13 years ago
Vincent Driessen 407f3e8b38 Add ability to put work on alternate queues. 13 years ago
Vincent Driessen 1b8da4a861 Add test for putting work on queues. 13 years ago
Vincent Driessen 8dfdd452ef Bugfix. 
Yeah, it's getting late.

It's my own fault.

I know.
 13 years ago
Vincent Driessen 04c88577ed Bugfix: LPOP does not support multiple queue arguments. 
Redis' BLPOP command takes multiple queue arguments, but LPOP can only
take a single queue.  Therefore, we need to loop over all queues
manually, in order, and raise an exception is no more work is available.
 13 years ago
Vincent Driessen a77c3d9104 Support quitting when all work is done (i.e. queue is empty). 13 years ago
Vincent Driessen 8dc2b15a6e Remove empty file. 
It is obsoleted by rq/proxy.py
 13 years ago
Vincent Driessen 98ffcd8e05 Create soft dependency on logbook. 13 years ago
Vincent Driessen 227e107a82 Oops, fix some old references to current_connection. 13 years ago
Vincent Driessen d721f0708b Refactor the whole Redis connection stuff to be just as easy as in RDB. 13 years ago
Vincent Driessen 518db8c24b Add better connection management. 
To start using RQ, push a Redis connection up its stack, like so:

    from rq import push_connection
    push_connection(Redis())
 13 years ago
Vincent Driessen d8d388c841 Log the results of jobs. 13 years ago
Vincent Driessen f21b2af2b6 Make it an actual PyPI-managable Python package. 13 years ago