[ARROW-5238] [Python] Improve usability of pyarrow.dictionary function

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.14.0
• Component/s: Python
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/21710
• Assignee: Joris Van den Bossche
• Reporter: Wes McKinney
• Created: 29/Apr/19 17:54
• Updated: 11/Jan/23 07:39
• Resolved: 03/May/19 20:11

Description

>>> pa.dictionary('int8', ['a', 'b', 'c', 'd'])
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: Argument 'index_type' has incorrect type (expected pyarrow.lib.DataType, got str)
>>> pa.dictionary(pa.int8(), ['a', 'b', 'c', 'd'])
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: Argument 'dict_values' has incorrect type (expected pyarrow.lib.Array, got list)

Issue Links

• links to: GitHub Pull Request #4245