nicknezis commented on issue #881:
URL: https://github.com/apache/incubator-heron/issues/881#issuecomment-659862401
It seems there are two locations that are relevant to the PEX discussion.
Are there any I'm missing? What changes would be needed to use the output of
`py_binary` build task? Would this be easier or harder for analytics
developers? I'm currently looking to use {Py}Gradle and the LinkedIn PEX plugin
to package my analytics. It would not be ideal if we forced analytic developers
to only use Bazel.
1. Heron Executor: Runs a pyton binary with the pex file as an argument (per
component)
https://github.com/apache/incubator-heron/blob/e1dda9acfded22ac1de86d73981118488d7a3b19/heron/executor/src/python/heron_executor.py#L724
2. Heron CLI checks for `pex` extension:
https://github.com/apache/incubator-heron/blob/e1dda9acfded22ac1de86d73981118488d7a3b19/heron/tools/cli/src/python/submit.py#L439
3. Heron CLI: Uses `pex_loader` library to load the Topology class at submit
time.
https://github.com/apache/incubator-heron/blob/e1dda9acfded22ac1de86d73981118488d7a3b19/heron/tools/cli/src/python/execute.py#L124
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