[
https://issues.apache.org/jira/browse/BEAM-6522?focusedWorklogId=237809&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-237809
]
ASF GitHub Bot logged work on BEAM-6522:
----------------------------------------
Author: ASF GitHub Bot
Created on: 06/May/19 14:32
Start Date: 06/May/19 14:32
Worklog Time Spent: 10m
Work Description: tvalentyn commented on pull request #8130: [BEAM-6522]
Use fastavro as default Avro implementation for Avro source/sink in Python3
URL: https://github.com/apache/beam/pull/8130#discussion_r281211197
##########
File path: sdks/python/apache_beam/io/avroio.py
##########
@@ -146,6 +153,10 @@ def __init__(self, file_pattern=None, min_bundle_size=0,
validate=True,
use_fastavro (bool); when set, use the `fastavro` library for IO, which
is significantly faster, and will likely become the default
"""
+ if sys.version_info[0] >= 3 and not use_fastavro:
+ warnings.warn("Due to a known issue in avro-python3 package, it is "
+ "recommended to use fastavro with Beam Avro IO on "
Review comment:
Looks like Avro release might happen soon [1]:
@fredo838, could you please check whether currenlty-disabled-on-python3 test
passes if we install:
https://dist.apache.org/repos/dist/dev/avro/avro-1.9.0-rc2/py3/avro-python3-1.9.0.tar.gz
You can pass that file as --extra_package to a Dataflow job.
Thank you.
[1]
https://lists.apache.org/thread.html/ff724cff8fed12ebc8316e0dc1e876f0ca8080ab68b6165b7f109665@%3Cdev.avro.apache.org%3E
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Issue Time Tracking
-------------------
Worklog Id: (was: 237809)
Time Spent: 7h (was: 6h 50m)
> Avro RecordSchema class is not picklable
> ----------------------------------------
>
> Key: BEAM-6522
> URL: https://issues.apache.org/jira/browse/BEAM-6522
> Project: Beam
> Issue Type: Sub-task
> Components: sdk-py-core
> Reporter: Robbe
> Assignee: Frederik Bode
> Priority: Major
> Time Spent: 7h
> Remaining Estimate: 0h
>
> The avroio module still has 4 failing tests. This is actually 2 times the
> same 2 tests, both for Avro and Fastavro.
> *apache_beam.io.avroio_test.TestAvro.test_sink_transform*
> *apache_beam.io.avroio_test.TestFastAvro.test_sink_transform*
> fail with:
> {code:java}
> Traceback (most recent call last):
> File "/home/robbe/workspace/beam/sdks/python/apache_beam/io/avroio_test.py",
> line 432, in test_sink_transform
> | avroio.WriteToAvro(path, self.SCHEMA, use_fastavro=self.use_fastavro)
> File "/home/robbe/workspace/beam/sdks/python/apache_beam/pvalue.py", line
> 112, in __or__
> return self.pipeline.apply(ptransform, self)
> File "/home/robbe/workspace/beam/sdks/python/apache_beam/pipeline.py", line
> 515, in apply
> pvalueish_result = self.runner.apply(transform, pvalueish, self._options)
> File "/home/robbe/workspace/beam/sdks/python/apache_beam/runners/runner.py",
> line 193, in apply
> return m(transform, input, options)
> File "/home/robbe/workspace/beam/sdks/python/apache_beam/runners/runner.py",
> line 199, in apply_PTransform
> return transform.expand(input)
> File "/home/robbe/workspace/beam/sdks/python/apache_beam/io/avroio.py", line
> 528, in expand
> return pcoll | beam.io.iobase.Write(self._sink)
> File "/home/robbe/workspace/beam/sdks/python/apache_beam/pvalue.py", line
> 112, in __or__
> return self.pipeline.apply(ptransform, self)
> File "/home/robbe/workspace/beam/sdks/python/apache_beam/pipeline.py", line
> 515, in apply
> pvalueish_result = self.runner.apply(transform, pvalueish, self._options)
> File "/home/robbe/workspace/beam/sdks/python/apache_beam/runners/runner.py",
> line 193, in apply
> return m(transform, input, options)
> File "/home/robbe/workspace/beam/sdks/python/apache_beam/runners/runner.py",
> line 199, in apply_PTransform
> return transform.expand(input)
> File "/home/robbe/workspace/beam/sdks/python/apache_beam/io/iobase.py", line
> 960, in expand
> return pcoll | WriteImpl(self.sink)
> File "/home/robbe/workspace/beam/sdks/python/apache_beam/pvalue.py", line
> 112, in __or__
> return self.pipeline.apply(ptransform, self)
> File "/home/robbe/workspace/beam/sdks/python/apache_beam/pipeline.py", line
> 515, in apply
> pvalueish_result = self.runner.apply(transform, pvalueish, self._options)
> File "/home/robbe/workspace/beam/sdks/python/apache_beam/runners/runner.py",
> line 193, in apply
> return m(transform, input, options)
> File "/home/robbe/workspace/beam/sdks/python/apache_beam/runners/runner.py",
> line 199, in apply_PTransform
> return transform.expand(input)
> File "/home/robbe/workspace/beam/sdks/python/apache_beam/io/iobase.py", line
> 979, in expand
> lambda _, sink: sink.initialize_write(), self.sink)
> File "/home/robbe/workspace/beam/sdks/python/apache_beam/transforms/core.py",
> line 1103, in Map
> pardo = FlatMap(wrapper, *args, **kwargs)
> File "/home/robbe/workspace/beam/sdks/python/apache_beam/transforms/core.py",
> line 1054, in FlatMap
> pardo = ParDo(CallableWrapperDoFn(fn), *args, **kwargs)
> File "/home/robbe/workspace/beam/sdks/python/apache_beam/transforms/core.py",
> line 864, in __init__
> super(ParDo, self).__init__(fn, *args, **kwargs)
> File
> "/home/robbe/workspace/beam/sdks/python/apache_beam/transforms/ptransform.py",
> line 646, in __init__
> self.args = pickler.loads(pickler.dumps(self.args))
> File
> "/home/robbe/workspace/beam/sdks/python/apache_beam/internal/pickler.py",
> line 247, in loads
> return dill.loads(s)
> File
> "/home/robbe/workspace/beam/sdks/python/.eggs/dill-0.2.9-py3.5.egg/dill/_dill.py",
> line 317, in loads
> return load(file, ignore)
> File
> "/home/robbe/workspace/beam/sdks/python/.eggs/dill-0.2.9-py3.5.egg/dill/_dill.py",
> line 305, in load
> obj = pik.load()
> File
> "/home/robbe/workspace/beam/sdks/python/target/.tox/py3/lib/python3.5/site-packages/avro/schema.py",
> line 173, in __setitem__
> % (key, value, self))
> Exception: Attempting to map key 'favorite_color' to value <avro.schema.Field
> object at 0x7f8f72d0d0b8> in ImmutableDict {}
> {code}
>
> *apache_beam.io.avroio_test.TestAvro.test_split_points*
> *apache_beam.io.avroio_test.TestFastAvro.test_split_points*
> fail with:
>
> {code:java}
> Traceback (most recent call last):
> File "/home/robbe/workspace/beam/sdks/python/apache_beam/io/avroio_test.py",
> line 308, in test_split_points
> self.assertEquals(split_points_report[-10:], [(2, 1)] * 10)
> AssertionError: Lists differ: [(10, 1), (10, 1), (10, 1), (10, 1), (10, 1[42
> chars], 1)] != [(2, 1), (2, 1), (2, 1), (2, 1), (2, 1), (2[32 chars], 1)]
> First differing element 0:
> (10, 1)
> (2, 1)
> + [(2, 1), (2, 1), (2, 1), (2, 1), (2, 1), (2, 1), (2, 1), (2, 1), (2, 1),
> (2, 1)]
> - [(10, 1),
> - (10, 1),
> - (10, 1),
> - (10, 1),
> - (10, 1),
> - (10, 1),
> - (10, 1),
> - (10, 1),
> - (10, 1),
> - (10, 1)]
> {code}
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