[pdal-commits] [PDAL/PDAL] 1c6962: Overhaul python filter (#2795)

[Andrew Bell]

  Branch: refs/heads/master
  Home:   https://github.com/PDAL/PDAL
  Commit: 1c696298c586cbad7e269f731caa3e0fbbc60e03
      https://github.com/PDAL/PDAL/commit/1c696298c586cbad7e269f731caa3e0fbbc60e03
  Author: Andrew Bell <andrew.bell.ia at gmail.com>
  Date:   2019-11-08 (Fri, 08 Nov 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:
  -----------
  Overhaul python filter (#2795)

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

* Add tests and arg checking.

* Remove deleter for python object pointer.