GitHub action to validate PVCollada XML examples (#5)

* add example PVCollada XML validation GitHub action

* update import path for collada schema

Author: reepoi

.github/workflows/validate_xml_with_xsd.py

@@ -0,0 +1,21 @@
+import sys
+
+from lxml import etree
+
+
+if __name__ == '__main__':
+    assert len(sys.argv) == 3
+    xsd_filepath, xml_filepath = sys.argv[1], sys.argv[2]
+    with open(xsd_filepath, 'rb') as xsd:
+        schema_root = etree.XML(xsd.read())
+    with open(xml_filepath, 'rb') as xml:
+        xml_doc = etree.XML(xml.read())
+
+    schema = etree.XMLSchema(schema_root)
+    if schema.validate(xml_doc):
+        print('XML is valid.')
+    else:
+        print('! XML is invalid.')
+        for error in schema.error_log:
+            print(' -', error.message)
+        exit(1)

.github/workflows/validate_xml_with_xsd.yml

@@ -0,0 +1,45 @@
+name: Validate PVCollada XML examples
+
+on:
+  push:
+    paths:
+      - pvcollada20_schema/pvcollada_schema_0.1.xsd
+      - pvcollada20_schema/collada_schema_1_5.xsd
+      - .github/workflows/validate_xml_with_xsd.py
+
+      - pvcollada20_schema/04 - TrackersPVC2_with_basic_electrical_layout_v2.pvc
+  pull_request:
+    paths:
+      - pvcollada20_schema/pvcollada_schema_0.1.xsd
+      - pvcollada20_schema/collada_schema_1_5.xsd
+      - .github/workflows/validate_xml_with_xsd.py
+
+      - pvcollada20_schema/04 - TrackersPVC2_with_basic_electrical_layout_v2.pvc
+  workflow_dispatch:
+
+jobs:
+  validate-schema:
+    strategy:
+      matrix:
+        xml_doc:
+          - pvcollada20_schema/04 - TrackersPVC2_with_basic_electrical_layout_v2.pvc
+    name: Validate XML
+    runs-on: ubuntu-latest
+    steps:
+      - name: Install Python 3.10
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.10'
+      - name: Install lxml Python dependency
+        run: pip3 install lxml==5.3.1
+      - name: Checkout PVCollada and COLLADA schemas, the validation script, and the XML doc
+        uses: actions/checkout@v4
+        with:
+          sparse-checkout: |
+            pvcollada20_schema/pvcollada_schema_0.1.xsd
+            pvcollada20_schema/collada_schema_1_5.xsd
+            .github/workflows/validate_xml_with_xsd.py
+            ${{ matrix.xml_doc }}
+          sparse-checkout-cone-mode: false
+      - name: Run validation
+        run: python3 .github/workflows/validate_xml_with_xsd.py pvcollada20_schema/pvcollada_schema_0.1.xsd "${{ matrix.xml_doc }}"

pvcollada20_schema/pvcollada_schema_0.1.xsd

@@ -6,7 +6,7 @@
            xmlns:collada="http://www.collada.org/2008/03/COLLADASchema">
 
   <xs:import namespace="http://www.collada.org/2008/03/COLLADASchema"
-             schemaLocation="collada_schema_1_5.xsd"/>
+             schemaLocation="pvcollada20_schema/collada_schema_1_5.xsd"/>
 
   <xs:simpleType name="cell_type_enum" final="restriction" >
     <xs:restriction base="xs:string">