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https://issues.apache.org/jira/browse/BEAM-2857?focusedWorklogId=253915&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-253915
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ASF GitHub Bot logged work on BEAM-2857:
----------------------------------------
Author: ASF GitHub Bot
Created on: 04/Jun/19 18:26
Start Date: 04/Jun/19 18:26
Worklog Time Spent: 10m
Work Description: pabloem commented on pull request #8394: [BEAM-2857]
Implementing WriteToFiles transform for fileio (Python)
URL: https://github.com/apache/beam/pull/8394#discussion_r290433653
##########
File path: sdks/python/apache_beam/io/fileio.py
##########
@@ -23,17 +23,83 @@
metadata records, and produces a ``PCollection`` of ``ReadableFile`` objects.
These transforms currently do not support splitting by themselves.
+Writing to Files
+================
+
+The transforms in this file include ``WriteToFiles``, which allows you to write
+a ``beam.PCollection`` to files, and gives you many options to customize how to
+do this.
+
+File Naming
+-----------
+One of the parameters received by ``WriteToFiles`` is a function specifying how
+to name the files that are written. This is a function that takes in the
Review comment:
Done.
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Issue Time Tracking
-------------------
Worklog Id: (was: 253915)
Time Spent: 6h 20m (was: 6h 10m)
> Create FileIO in Python
> -----------------------
>
> Key: BEAM-2857
> URL: https://issues.apache.org/jira/browse/BEAM-2857
> Project: Beam
> Issue Type: New Feature
> Components: sdk-py-core
> Reporter: Eugene Kirpichov
> Assignee: Pablo Estrada
> Priority: Major
> Labels: gsoc, gsoc2019, mentor
> Time Spent: 6h 20m
> Remaining Estimate: 0h
>
> Beam Java has a FileIO with operations: match()/matchAll(), readMatches(),
> which together cover the majority of needs for general-purpose file
> ingestion. Beam Python should have something similar.
> An early design document for this: https://s.apache.org/fileio-beam-python
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