[ARROW-471] [Python] Enable ParquetFile to pass down separately-obtained file metadata

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.2.0
• Component/s: Python
• External issue URL: https://github.com/apache/arrow/issues/16115
• Assignee: Wes McKinney
• Reporter: Wes McKinney
• Created: 10/Jan/17 19:08
• Updated: 11/Jan/23 07:08
• Resolved: 13/Jan/17 13:52

Description

As part of the procedure for reading a directory of files, we will only want to read a file's metadata once.