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ASF GitHub Bot logged work on BEAM-5615: ---------------------------------------- Author: ASF GitHub Bot Created on: 06/Oct/18 00:04 Start Date: 06/Oct/18 00:04 Worklog Time Spent: 10m Work Description: tvalentyn commented on a change in pull request #6570: [BEAM-5615] fix cmp is an invalid keyword for sort function in python 3 URL: https://github.com/apache/beam/pull/6570#discussion_r223163326 ########## File path: sdks/python/apache_beam/transforms/combiners.py ########## @@ -290,9 +291,12 @@ def __init__(self, n, compare=None, key=None, reverse=False): def _sort_buffer(self, buffer, lt): if lt in (operator.gt, operator.lt): buffer.sort(key=self._key_fn, reverse=self._reverse) + elif self._key_fn: + buffer.sort(key=cmp_to_key( Review comment: In other words, we cannot use just `self._key_fn` because the order relationship is defined by `lt`, which is derived from `compare` - an external parameter to `TopCombineFn` and `Top` constructors. `self._key_fn` will return a key to use for comparisons, but the order will not always be captured but this key the constructors also accept an additional `compare` function. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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For queries about this service, please contact Infrastructure at: us...@infra.apache.org Issue Time Tracking ------------------- Worklog Id: (was: 151929) Time Spent: 1h 40m (was: 1.5h) > Several tests fail on Python 3 with TypeError: 'cmp' is an invalid keyword > argument for this function > ----------------------------------------------------------------------------------------------------- > > Key: BEAM-5615 > URL: https://issues.apache.org/jira/browse/BEAM-5615 > Project: Beam > Issue Type: Sub-task > Components: sdk-py-harness > Reporter: Valentyn Tymofieiev > Assignee: Juta Staes > Priority: Major > Fix For: Not applicable > > Time Spent: 1h 40m > Remaining Estimate: 0h > > ERROR: test_top (apache_beam.transforms.combiners_test.CombineTest) > ---------------------------------------------------------------------- > Traceback (most recent call last): > File > "/usr/local/google/home/valentyn/projects/beam/clean_head/beam/sdks/python/apache_beam/transforms/combiners_test.py", > line 89, in test_top > names) # Note parameter passed to comparator. > File > "/usr/local/google/home/valentyn/projects/beam/clean_head/beam/sdks/python/apache_beam/pvalue.py", > line 111, in __or__ > return self.pipeline.apply(ptransform, self) > File > "/usr/local/google/home/valentyn/projects/beam/clean_head/beam/sdks/python/apache_beam/pipeline.py", > line 467, in apply > label or transform.label) > File > "/usr/local/google/home/valentyn/projects/beam/clean_head/beam/sdks/python/apache_beam/pipeline.py", > line 477, in apply > return self.apply(transform, pvalueish) > File > "/usr/local/google/home/valentyn/projects/beam/clean_head/beam/sdks/python/apache_beam/pipeline.py", > line 513, in apply > pvalueish_result = self.runner.apply(transform, pvalueish) > File > "/usr/local/google/home/valentyn/projects/beam/clean_head/beam/sdks/python/apache_beam/runners/runner.py", > line 193, in apply > return m(transform, input) > File > "/usr/local/google/home/valentyn/projects/beam/clean_head/beam/sdks/python/apache_beam/runners/runner.py", > line 199, in apply_PTransform > return transform.expand(input) > File > "/usr/local/google/home/valentyn/projects/beam/clean_head/beam/sdks/python/apache_beam/transforms/ptransform.py", > line 759, in expand > return self._fn(pcoll, *args, **kwargs) > File > "/usr/local/google/home/valentyn/projects/beam/clean_head/beam/sdks/python/apache_beam/transforms/combiners.py", > line 185, in Of > TopCombineFn(n, compare, key, reverse), *args, **kwargs) > File > "/usr/local/google/home/valentyn/projects/beam/clean_head/beam/sdks/python/apache_beam/pvalue.py", > line 111, in __or__ > return self.pipeline.apply(ptransform, self) > File > "/usr/local/google/home/valentyn/projects/beam/clean_head/beam/sdks/python/apache_beam/pipeline.py", > line 513, in apply > pvalueish_result = self.runner.apply(transform, pvalueish) > File > "/usr/local/google/home/valentyn/projects/beam/clean_head/beam/sdks/python/apache_beam/runners/runner.py", > line 193, in apply > return m(transform, input) > File > "/usr/local/google/home/valentyn/projects/beam/clean_head/beam/sdks/python/apache_beam/runners/runner.py", > line 199, in apply_PTransform > return transform.expand(input) > File > "/usr/local/google/home/valentyn/projects/beam/clean_head/beam/sdks/python/apache_beam/transforms/core.py", > line 1251, in expand > default_value = combine_fn.apply([], *self.args, **self.kwargs) > File > "/usr/local/google/home/valentyn/projects/beam/clean_head/beam/sdks/python/apache_beam/transforms/core.py", > line 623, in apply > *args, **kwargs) > File > "/usr/local/google/home/valentyn/projects/beam/clean_head/beam/sdks/python/apache_beam/transforms/combiners.py", > line 362, in extract_output > self._sort_buffer(buffer, lt) > File > "/usr/local/google/home/valentyn/projects/beam/clean_head/beam/sdks/python/apache_beam/transforms/combiners.py", > line 295, in _sort_buffer > key=self._key_fn) > TypeError: 'cmp' is an invalid keyword argument for this function -- This message was sent by Atlassian JIRA (v7.6.3#76005)