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https://issues.apache.org/jira/browse/ARROW-5248?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joris Van den Bossche updated ARROW-5248:
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Fix Version/s: 3.0.0
> [Python] support dateutil timezones
> -----------------------------------
>
> Key: ARROW-5248
> URL: https://issues.apache.org/jira/browse/ARROW-5248
> Project: Apache Arrow
> Issue Type: Bug
> Components: Python
> Reporter: Joris Van den Bossche
> Priority: Minor
> Labels: beginner
> Fix For: 3.0.0
>
>
> The {{dateutil}} packages also provides a set of timezone objects
> (https://dateutil.readthedocs.io/en/stable/tz.html) in addition to {{pytz}}.
> In pyarrow, we only support pytz timezones (and the stdlib datetime.timezone
> fixed offset):
> {code}
> In [2]: import dateutil.tz
>
>
> In [3]: import pyarrow as pa
>
>
> In [5]: pa.timestamp('us', dateutil.tz.gettz('Europe/Brussels'))
>
>
> ...
> ~/miniconda3/envs/dev37/lib/python3.7/site-packages/pyarrow/types.pxi in
> pyarrow.lib.tzinfo_to_string()
> ValueError: Unable to convert timezone
> `tzfile('/usr/share/zoneinfo/Europe/Brussels')` to string
> {code}
> But pandas also supports dateutil timezones. As a consequence, when having a
> pandas DataFrame that uses a dateutil timezone, you get an error when
> converting to an arrow table.
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