Dave Hirschfeld created ARROW-4824:
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             Summary: read_csv should accept io.StringIO objects
                 Key: ARROW-4824
                 URL: https://issues.apache.org/jira/browse/ARROW-4824
             Project: Apache Arrow
          Issue Type: Improvement
          Components: Python
    Affects Versions: 0.12.1
            Reporter: Dave Hirschfeld


It would be nice/convenient if `read_csv` also supported `io.StringIO` objects:

 

{{In [59]: csv = 
io.StringIO('''issue_date_utc,variable_name,station_name,station_id,value_date_utc,value}}
{{    ...: 2019-02-26 22:00:00,TEMPERATURE,ARCHERFIELD,040211,2019-02-27 
03:00,29.1}}
{{    ...: ''')}}

{{In [60]: pd.read_csv(csv)}}
{{Out[60]: }}
{{        issue_date_utc variable_name  ...    value_date_utc  value}}
{{0  2019-02-26 22:00:00   TEMPERATURE  ...  2019-02-27 03:00   29.1}}

{{[1 rows x 6 columns]}}

{{In [61]: pa.csv.read_csv(csv)}}
{{Traceback (most recent call last):}}

{{  File "<ipython-input-61-d86447415aa3>", line 1, in <module>}}
{{    pa.csv.read_csv(csv)}}

{{SystemError: <built-in function read_csv> returned NULL without setting an 
error}}

 



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