Add back PdoBase.export() dependency (canmatrix)

The canmatrix dependency was removed on Oct 10, 2021
with commit c46228f.

Resolves christiansandberg#488

pyproject.toml

@@ -22,6 +22,7 @@ classifiers = [
     "Topic :: Scientific/Engineering",
 ]
 dependencies = [
+    "canmatrix ~= 1.0.0",
     "python-can >= 3.0.0",
 ]
 dynamic = ["version"]

test/test_pdo.py

@@ -6,36 +6,41 @@
 
 
 class TestPDO(unittest.TestCase):
-
-    def test_bit_mapping(self):
+    def setUp(self):
         node = canopen.Node(1, EDS_PATH)
-        map = node.pdo.tx[1]
-        map.add_variable('INTEGER16 value')  # 0x2001
-        map.add_variable('UNSIGNED8 value', length=4)  # 0x2002
-        map.add_variable('INTEGER8 value', length=4)  # 0x2003
-        map.add_variable('INTEGER32 value')  # 0x2004
-        map.add_variable('BOOLEAN value', length=1)  # 0x2005
-        map.add_variable('BOOLEAN value 2', length=1)  # 0x2006
+        pdo = node.pdo.tx[1]
+        pdo.add_variable('INTEGER16 value')  # 0x2001
+        pdo.add_variable('UNSIGNED8 value', length=4)  # 0x2002
+        pdo.add_variable('INTEGER8 value', length=4)  # 0x2003
+        pdo.add_variable('INTEGER32 value')  # 0x2004
+        pdo.add_variable('BOOLEAN value', length=1)  # 0x2005
+        pdo.add_variable('BOOLEAN value 2', length=1)  # 0x2006
 
         # Write some values
-        map['INTEGER16 value'].raw = -3
-        map['UNSIGNED8 value'].raw = 0xf
-        map['INTEGER8 value'].raw = -2
-        map['INTEGER32 value'].raw = 0x01020304
-        map['BOOLEAN value'].raw = False
-        map['BOOLEAN value 2'].raw = True
+        pdo['INTEGER16 value'].raw = -3
+        pdo['UNSIGNED8 value'].raw = 0xf
+        pdo['INTEGER8 value'].raw = -2
+        pdo['INTEGER32 value'].raw = 0x01020304
+        pdo['BOOLEAN value'].raw = False
+        pdo['BOOLEAN value 2'].raw = True
+
+        self.pdo = pdo
+        self.node = node
 
-        # Check expected data
-        self.assertEqual(map.data, b'\xfd\xff\xef\x04\x03\x02\x01\x02')
+    def test_pdo_map_bit_mapping(self):
+        self.assertEqual(pdo.data, b'\xfd\xff\xef\x04\x03\x02\x01\x02')
 
-        # Read values from data
-        self.assertEqual(map['INTEGER16 value'].raw, -3)
-        self.assertEqual(map['UNSIGNED8 value'].raw, 0xf)
-        self.assertEqual(map['INTEGER8 value'].raw, -2)
-        self.assertEqual(map['INTEGER32 value'].raw, 0x01020304)
-        self.assertEqual(map['BOOLEAN value'].raw, False)
-        self.assertEqual(map['BOOLEAN value 2'].raw, True)
+    def test_pdo_map_getitem(self):
+        pdo = self.pdo
+        self.assertEqual(pdo['INTEGER16 value'].raw, -3)
+        self.assertEqual(pdo['UNSIGNED8 value'].raw, 0xf)
+        self.assertEqual(pdo['INTEGER8 value'].raw, -2)
+        self.assertEqual(pdo['INTEGER32 value'].raw, 0x01020304)
+        self.assertEqual(pdo['BOOLEAN value'].raw, False)
+        self.assertEqual(pdo['BOOLEAN value 2'].raw, True)
 
+    def test_pdo_getitem(self):
+        node = self.node
         self.assertEqual(node.tpdo[1]['INTEGER16 value'].raw, -3)
         self.assertEqual(node.tpdo[1]['UNSIGNED8 value'].raw, 0xf)
         self.assertEqual(node.tpdo[1]['INTEGER8 value'].raw, -2)
@@ -55,10 +60,23 @@ def test_bit_mapping(self):
         self.assertEqual(node.tpdo[0x2002].raw, 0xf)
         self.assertEqual(node.pdo[0x1600][0x2002].raw, 0xf)
 
-    def test_save_pdo(self):
-        node = canopen.Node(1, EDS_PATH)
-        node.tpdo.save()
-        node.rpdo.save()
+    def test_pdo_save(self):
+        self.node.tpdo.save()
+        self.node.rpdo.save()
+
+    def test_pdo_export(self):
+        import canmatrix
+        import tempfile
+
+        for pdo in "tpdo", "rpdo":
+            with tempfile.NamedTemporaryFile(suffix=".csv") as tmp:
+                fn = tmp.name
+                with self.subTest(pdo=pdo, filename=fn):
+                    getattr(self.node, pdo).export(fn)
+                with open(fn) as csv:
+                    header = csv.readline()
+                    self.assertIn("ID", header)
+                    self.assertIn("Frame Name", header)
 
 
 if __name__ == "__main__":