7537
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Ran 22 Oct 2015 04:24AM UTC

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Build # 7537

Build Type

push

travis-ci

Committed by

jsirois

Commit Message

Restore Sources custom types per extension.

This was removed to support the multiprocess engine which relies on
pickling.  The dynamic class objects generated by `Sources.of` were not
pickle compatible.  Restore `Sources.of` memoized Sources subtypes
per-extension by implementing `__reduce__` and exposing the `Sources`
subtypes at the module level.

Testing Done:
REPL testing to both check quickly pickle/unpicle now worked and type
identity was maintained.  This was backed up by the engine test which
pickles and unpickles `Sources` as part of running the multiprocess
engine.

Also re-rendered the simple codegen plan, make more sense now that the
Sources product type carries the extension - see attached and compare
to the image in https://rbcommons.com/s/twitter/r/3010/:
```
$ ./pants run src/python/pants/engine/exp/examples:viz -- \
  tests/python/pants_test/engine/exp/examples/scheduler_inputs \
  compile src/java/codegen/simple
```

CI went green here:
  https://travis-ci.org/pantsbuild/pants/builds/86753888

Bugs closed: 2423

Reviewed at https://rbcommons.com/s/twitter/r/3011/

Coverage Stats

Jobs

ID	Job ID	Ran
1	7537.1 (CI_FLAGS="-cjlpn 'Various pants self checks'")	22 Oct 2015 04:24AM UTC	Travis Job 7537.1
4	7537.4 (CI_FLAGS="-fkmsrcjlp 'Python contrib tests'")	22 Oct 2015 04:36AM UTC	Travis Job 7537.4
5	7537.5 (CI_FLAGS="-fkmsrjlpn -i 0/6 'Python integration tests for pants - shard 1'")	22 Oct 2015 04:26AM UTC	Travis Job 7537.5
6	7537.6 (CI_FLAGS="-fkmsrjlpn -i 1/6 'Python integration tests for pants - shard 2'")	22 Oct 2015 04:32AM UTC	Travis Job 7537.6
7	7537.7 (CI_FLAGS="-fkmsrjlpn -i 2/6 'Python integration tests for pants - shard 3'")	22 Oct 2015 04:33AM UTC	Travis Job 7537.7
8	7537.8 (CI_FLAGS="-fkmsrjlpn -i 3/6 'Python integration tests for pants - shard 4'")	22 Oct 2015 04:35AM UTC	Travis Job 7537.8
9	7537.9 (CI_FLAGS="-fkmsrjlpn -i 4/6 'Python integration tests for pants - shard 5'")	22 Oct 2015 04:35AM UTC	Travis Job 7537.9
10	7537.10 (CI_FLAGS="-fkmsrjlpn -i 5/6 'Python integration tests for pants - shard 6'")	22 Oct 2015 04:39AM UTC	Travis Job 7537.10

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