[pdal-commits] [PDAL/PDAL] 9a88a8: Rework python filter to clarify object ownership.

[Andrew Bell]

  Branch: refs/heads/issue-2788
  Home:   https://github.com/PDAL/PDAL
  Commit: 9a88a8c53ae37a0d9dba06fbfe6c187982d6b57d
      https://github.com/PDAL/PDAL/commit/9a88a8c53ae37a0d9dba06fbfe6c187982d6b57d
  Author: Andrew Bell <andrew.bell.ia at gmail.com>
  Date:   2019-10-28 (Mon, 28 Oct 2019)

  Changed paths:
    M plugins/python/filters/PythonFilter.cpp
    M plugins/python/filters/PythonFilter.hpp
    M plugins/python/plang/Environment.cpp
    M plugins/python/plang/Invocation.cpp
    M plugins/python/plang/Invocation.hpp
    M plugins/python/test/PythonFilterTest.cpp

  Log Message:
  -----------
  Rework python filter to clarify object ownership.
Check that we're either masking or modifying, not both.
Fix issue with multiple inputs (#2788).