[jira] [Created] (ARROW-643) [Python] Add API to construct pyarrow.DictionaryArray from a wrapped arrow array of integers and either a dictionary type or dictionary array

[Wes McKinney (JIRA)]

Wes McKinney created ARROW-643:
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             Summary: [Python] Add API to construct pyarrow.DictionaryArray 
from a wrapped arrow array of integers and either a dictionary type or 
dictionary array
                 Key: ARROW-643
                 URL: https://issues.apache.org/jira/browse/ARROW-643
             Project: Apache Arrow
          Issue Type: New Feature
          Components: Python
            Reporter: Wes McKinney


The existing {{DictionaryArray.from_arrays} is a bit inflexible



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