Merge pull request #387 from GeospatialPython/Test_Polylinez_no_m

Test polygonz files, with no z and no m

Author: JamesParrott

README.md

@@ -8,8 +8,8 @@ The Python Shapefile Library (PyShp) reads and writes ESRI Shapefiles in pure Py
 
 - **Author**: [Joel Lawhead](https://github.com/GeospatialPython)
 - **Maintainers**: [Karim Bahgat](https://github.com/karimbahgat)
-- **Version**: 3.0.3.dev0
-- **Date**: 10th October, 2025
+- **Version**: 3.0.5
+- **Date**: 18th May 2026
 - **License**: [MIT](https://github.com/GeospatialPython/pyshp/blob/master/LICENSE.TXT)
 
 ## Contents
@@ -93,6 +93,12 @@ part of your geospatial project.
 
 # Version Changes
 
+## LATEST
+
+### Testing:
+ - Add shapefile from Open Natual Hazard Modelling ([Paula Spannring](https://github.com/PaulaSp3)
+   and [Felix Oesterle, Austrian Research Centre for Forests](https://orcid.org/0000-0002-7772-6884)).
+
 ## 3.0.5
 
 ### Project structure:
@@ -1594,6 +1600,7 @@ davidh-ssec
 Edward Kawas
 Evan Heidtmann
 ezcitron
+Felix Oesterle
 fiveham
 geospatialpython
 Hannes
@@ -1616,6 +1623,7 @@ Mike Toews
 Miroslav Šedivý
 Nilo
 pakoun
+Paula Spannring
 Paulo Ernesto
 Raynor Vliegendhart
 Razzi Abuissa

changelog.txt

@@ -1,3 +1,10 @@
+LATEST
+
+2026-05-18
+	Testing:
+	* Add shapefile from Open Natual Hazard Modelling ([Paula Spannring](https://github.com/PaulaSp3)
+	and [Felix Oesterle, Austrian Research Centre for Forests](https://orcid.org/0000-0002-7772-6884)).
+
 VERSION 3.0.5
 
 2026-05-18

shapefiles/test/ATTRIBUTION

@@ -0,0 +1 @@
+REL.zip - used with kind permission, under license from [Open Natural Hazard Modelling](https://github.com/OpenNHM/AvaFrameData/blob/main/LICENSE) (CC-BY-4.0 on 18th May 2026).  A Github organization of the Austrian Research Centre for Forests?

shapefiles/test/REL.zip

@@ -1475,6 +1475,26 @@ def test_shaperecord_record():
         assert record[1:3] == ["060750601001", 4715]
 
 
+def test_reader_zip_polyylinez_no_m_itershaperecords():
+    """
+    Make sure the M field is initialised to None (so the
+    fix from the bgu in 3.0.2 isn't regressed)!
+
+    Test Polygonz Shapes can be read, even if the m field is missing
+    (all the points in this file are 2D only, so this could also be
+    saved as a Polygon / type 5 shapefile instead of the shape type
+    15 one it currently is).
+
+    REL.zip included with permission: https://github.com/OpenNHM/AvaFrame/issues/1203#issuecomment-4477589128
+    Owner: Open Natural Hazard Modelling
+    Original source:  https://github.com/OpenNHM/AvaFrameData/blob/main/avaPopeletzbach/
+    License CC-BY-4.0
+    """
+    with shapefile.Reader("shapefiles/test/REL.zip") as sf:
+        for _shaperec in sf.iterShapeRecords():
+            pass
+
+
 def test_write_field_name_limit(tmpdir):
     """
     Abc...