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https://issues.apache.org/jira/browse/SPARK-41989?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stefaan Lippens updated SPARK-41989:
------------------------------------
Description:
in {code}python/pyspark/pandas/__init__.py{code} there is currently a warning
when {{PYARROW_IGNORE_TIMEZONE}} env var is not set
(https://github.com/apache/spark/blob/187c4a9c66758e973633c5c309b551b1d9094e6e/python/pyspark/pandas/__init__.py#L44-L59):
{code:python}
import logging
logging.warning(
"'PYARROW_IGNORE_TIMEZONE' environment variable was not set. It is
required to "...
{code}
The {{logging.warning()}} call will silently do a {{logging.basicConfig()}}
call (at least in python 3.9, which I tried).
(FYI: Something like {{logging.getLogger(...).warning()}} would not do this
silent call)
This has the following very hard to figure out side-effect:
importing `pyspark.pandas` (directly or indirectly somewhere) might break your
logging setup (if PYARROW_IGNORE_TIMEZONE is not set).
Very basic example (assuming PYARROW_IGNORE_TIMEZONE is not set):
{code:python}
import logging
import pyspark.pandas
logging.basicConfig(level=logging.DEBUG)
logger = logging.getLogger("test")
logger.warning("I warn you")
logger.debug("I debug you")
{code}
Will only produce the warning, not the debug line.
By removing the {{import pyspark.pandas}}, the debug line is produced
was:
in {code}python/pyspark/pandas/__init__.py{code} there is currently a warning
when {{PYARROW_IGNORE_TIMEZONE}} env var is not set
(https://github.com/apache/spark/blob/187c4a9c66758e973633c5c309b551b1d9094e6e/python/pyspark/pandas/__init__.py#L44-L59):
{code:python}
import logging
logging.warning(
"'PYARROW_IGNORE_TIMEZONE' environment variable was not set. It is
required to "...
{code}
The {{logging.warning()}} call will silently do a {{logging.basicConfig()}}
call (at least in python 3.9, which I tried).
(FYI: Something like {{logging.getLogger(...).warning()}} would not do this
silent call)
This has the following very hard to figure out side-effect:
importing `pyspark.pandas` (directly or indirectly somewhere) might break your
logging setup (if PYARROW_IGNORE_TIMEZONE is not set).
Very basic example (assuming PYARROW_IGNORE_TIMEZONE is not set):
{code:python}
import logging
import pyspark.pandas
logging.basicConfig(level=logging.DEBUG)
logger = logging.getLogger("test")
logger.warning("I warn you")
logger.debug("I debug you")
{code}
Will only produce the warning, not the debug line.
By removing the {{import pyspark.pandas}}, the debug like is produced
> PYARROW_IGNORE_TIMEZONE warning can break application logging setup
> -------------------------------------------------------------------
>
> Key: SPARK-41989
> URL: https://issues.apache.org/jira/browse/SPARK-41989
> Project: Spark
> Issue Type: Bug
> Components: PySpark
> Affects Versions: 3.2.3
> Environment: python 3.9 env with pyspark installed
> Reporter: Stefaan Lippens
> Priority: Major
>
> in {code}python/pyspark/pandas/__init__.py{code} there is currently a
> warning when {{PYARROW_IGNORE_TIMEZONE}} env var is not set
> (https://github.com/apache/spark/blob/187c4a9c66758e973633c5c309b551b1d9094e6e/python/pyspark/pandas/__init__.py#L44-L59):
> {code:python}
> import logging
> logging.warning(
> "'PYARROW_IGNORE_TIMEZONE' environment variable was not set. It is
> required to "...
> {code}
> The {{logging.warning()}} call will silently do a {{logging.basicConfig()}}
> call (at least in python 3.9, which I tried).
> (FYI: Something like {{logging.getLogger(...).warning()}} would not do this
> silent call)
> This has the following very hard to figure out side-effect:
> importing `pyspark.pandas` (directly or indirectly somewhere) might break
> your logging setup (if PYARROW_IGNORE_TIMEZONE is not set).
> Very basic example (assuming PYARROW_IGNORE_TIMEZONE is not set):
> {code:python}
> import logging
> import pyspark.pandas
> logging.basicConfig(level=logging.DEBUG)
> logger = logging.getLogger("test")
> logger.warning("I warn you")
> logger.debug("I debug you")
> {code}
> Will only produce the warning, not the debug line.
> By removing the {{import pyspark.pandas}}, the debug line is produced
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