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https://issues.apache.org/jira/browse/BEAM-2857?focusedWorklogId=236660&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-236660
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ASF GitHub Bot logged work on BEAM-2857:
----------------------------------------
Author: ASF GitHub Bot
Created on: 02/May/19 23:44
Start Date: 02/May/19 23:44
Worklog Time Spent: 10m
Work Description: udim commented on pull request #8394: [BEAM-2857]
Implementing WriteToFiles transform for fileio (Python)
URL: https://github.com/apache/beam/pull/8394#discussion_r279968359
##########
File path: sdks/python/apache_beam/transforms/window.py
##########
@@ -367,6 +367,15 @@ class FixedWindows(NonMergingWindowFn):
"""
def __init__(self, size, offset=0):
+ """Initialize a ``FixedWindows`` function for a given size and offset.
+
+ Args:
+ size (int): Size of the window in seconds.
+ offset(int): Offset of the window in seconds since Unix epoch. Windows
+ start at t=N * size + offset where t=0 is the epoch. The offset must
+ be a value in range [0, size). If not, it will be normalized to this
Review comment:
`offset must be a value in range [0, size)` - could you explain that?
Because earlier it says that offset is in "Unix epoch" format.
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Issue Time Tracking
-------------------
Worklog Id: (was: 236660)
Time Spent: 1h 50m (was: 1h 40m)
> 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: 1h 50m
> 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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