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CHANGELOG.md

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0.5.1

  • Add chain() which can be used as a low-overhead way to build more efficient sequences without spawning a greenlet.
  • Small performances optimizations for redis (slots)
  • Upgrade to gevent 1.1+, while keeping the gbatchy exc_info behavior (you get the whole traceback once).

0.4.2

  • Small performance optimization for redis.
  • Small performance optimization for transform() (& by proxy @batched functions)

0.4.1

  • Fix a context propagation via add_auto_wrapper when using batch functions. Also makes batch functions slightly more efficient.

0.4

  • Added a may_block context manager to be able to use gevent primitives between batch greenlets. For an example, see the iwait & wait implementations.
  • Add a version of iwait & wait that work in a batch context.
  • Fix *_unordered - this was previously using gevent.iwait.
  • Add a Pool implementation that mirrors gevent.pool.Pool, but works with batch greenlets. Unfortunately it was not as simple as greenlet_class=BatchGreenlet.

0.3.1

  • Fix redis *scan functions.

0.3

Features:

  • A couple of useful utils: immediate, immediate_exception, and transform.
  • pmap/pfilter functions now take **kwargs that get passed through.
  • New function spawn_proxy: same as spawn, but returns a proxy-type that evaluates to spawn().get()
  • Add as_future=True to @batched/@class_batched functions. Since the @batched system uses AsyncResult-like objects under the hood anyway, this lets you take advantage of that. You can save a bit of spawn() calls.
  • Add max_size to specify the maximum number of calls to coalesce. TODO: Add a way to specify this as e.g. sum(map(len, args_list))

Bugfixes:

  • BatchAsyncResult.wait was broken if the value was not available at the time of the call.
  • BatchAsyncResult.get has support for the timeout arg.
  • BatchAsyncResult.get_nowait exists (alias for .get(block=False))
  • BatchAsyncResult.set_exc_info now properly sets .exception (in case .get() is called multiple times).
  • BatchAsyncResult.successful no longer raises.
  • Circular dependency between context & scheduler is now gone.

0.2

A lot of refactoring to performance critical code.

0.1

Initial release