[core] add package and package version notion

meshroom/core/__init__.py

@@ -37,6 +37,8 @@ def loadNodes(folder, packageName):
     with add_to_path(folder):
         # import node package
         package = importlib.import_module(packageName)
+        packageName = package.packageName if hasattr(package, 'packageName') else package.__name__
+        packageVersion = package.__version__
 
         pysearchre = re.compile('.py$', re.IGNORECASE)
         pluginFiles = filter(pysearchre.search, os.listdir(os.path.dirname(package.__file__)))
@@ -51,6 +53,9 @@ def loadNodes(folder, packageName):
                 p = [a for a in m.__dict__.values() if inspect.isclass(a) and issubclass(a, desc.Node)]
                 if not p:
                     raise RuntimeError('No class defined in plugin: %s' % pluginModule)
+                for a in p:
+                    a.packageName = packageName
+                    a.packageVersion = packageVersion
                 nodeTypes.extend(p)
             except Exception as e:
                 errors.append('  * Errors while loading "{}".\n    File: {}\n    {}'.format(pluginName, pluginFile, str(e)))

meshroom/core/desc.py

@@ -119,6 +119,8 @@ class Node(object):
     cpu = Level.NORMAL
     gpu = Level.NONE
     ram = Level.NORMAL
+    packageName = ''
+    packageVersion = ''
 
     def __init__(self):
         pass

meshroom/core/graph.py

@@ -323,6 +323,8 @@ class Node(BaseObject):
         self._name = None  # type: str
         self.graph = None  # type: Graph
         self.nodeDesc = meshroom.core.nodesDesc[nodeDesc]()
+        self.packageName = self.nodeDesc.packageName
+        self.packageVersion = self.nodeDesc.packageVersion
         self._cmdVars = {}
         self._attributes = DictModel(keyAttrName='name', parent=self)
         self.attributesPerUid = defaultdict(set)
@@ -348,6 +350,9 @@ class Node(BaseObject):
     def getName(self):
         return self._name
 
+    @property
+    def packageFullName(self):
+        return '-'.join([self.packageName, self.packageVersion])
     @Slot(str, result=Attribute)
     def attribute(self, name):
         att = None
@@ -411,6 +416,8 @@ class Node(BaseObject):
         attributes = {k: v.getExportValue() for k, v in self._attributes.objects.items()}
         return {
             'nodeType': self.nodeType,
+            'packageName': self.packageName,
+            'packageVersion': self.packageVersion,
             'attributes': {k: v for k, v in attributes.items() if v is not None},  # filter empty values
         }