[SPARK-48646] Refine Python data source API docstring and type hints

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 4.0.0
• Fix Version/s: 4.0.0
• Component/s: PySpark
• Labels: pull-request-available
• Assignee: Allison Wang
• Reporter: Allison Wang
• Created: 17/Jun/24 21:07
• Updated: 21/Jun/24 14:22
• Resolved: 19/Jun/24 00:07

Description

Improve the type hints and docstrings for datasource.py

Issue Links

• links to: GitHub Pull Request #47003