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https://issues.apache.org/jira/browse/BEAM-7840?focusedWorklogId=284967&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-284967
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ASF GitHub Bot logged work on BEAM-7840:
----------------------------------------
Author: ASF GitHub Bot
Created on: 30/Jul/19 14:05
Start Date: 30/Jul/19 14:05
Worklog Time Spent: 10m
Work Description: tvalentyn commented on pull request #9168: [BEAM-7840]
Provide MapTuple and FlatMapTuple for Python 3 users.
URL: https://github.com/apache/beam/pull/9168#discussion_r308740823
##########
File path: sdks/python/apache_beam/examples/snippets/snippets.py
##########
@@ -446,7 +446,7 @@ def examples_wordcount_minimal(renames):
# [END examples_wordcount_minimal_count]
# [START examples_wordcount_minimal_map]
- | beam.Map(lambda word_count: '%s: %s' % (word_count[0], word_count[1]))
Review comment:
Ok, we should tag associated Jira with 'fix_version==2.15.0' in this case.
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Issue Time Tracking
-------------------
Worklog Id: (was: 284967)
Time Spent: 20m (was: 10m)
> Create MapTuple and FlatMapTuple to ease migration to Python 3.
> ---------------------------------------------------------------
>
> Key: BEAM-7840
> URL: https://issues.apache.org/jira/browse/BEAM-7840
> Project: Beam
> Issue Type: Test
> Components: sdk-py-core
> Reporter: Robert Bradshaw
> Priority: Major
> Time Spent: 20m
> Remaining Estimate: 0h
>
> These are like Map and FlatMap but expand out tuple input elements across
> several arguments. This will be useful as tuple argument unpacking has been
> removed in Python 3. Instead of having to convert
> Map(lambda (k, v): expresion(k, v))
> into
> Map(lambda k_v: expression(k_v[0], k_v[1]))
> one can now write
> MapTuple(lambda k, v: expression(k, v))
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