Node streaming complete

ld2dap/core/Input.py

@@ -17,3 +17,12 @@ class Input(Node):
 
     def register(self, output):
         self.outputs.append(output)
+
+    def process(self, data, metadata=None):
+        """Override abstract method"""
+        data, meta = self._process(data, metadata)
+        for output in self.outputs:
+            output.process(data, meta)
+
+    def _run(self):
+        self.process(None, None)

ld2dap/core/Node.py

@@ -16,6 +16,12 @@ class Node:
     def __str__(self):
         return ("Node:{}".format(self.name))
 
+    def process(self, data, metadata=None):
+        self._process(data)
+
+    def _process(self, data, metadata=None):
+        raise NotImplementedError('{} should override _process()'.format(self))
+
     def _run(self):
         raise NotImplementedError('{} should override _run()'.format(self))
 

ld2dap/core/Output.py

@@ -29,15 +29,7 @@ class Output(Node):
         self.__dict__['input'] = inode
         inode.register(self)
 
-    def process(self, data):
-        self._process(data)
-
-    def _process(self, data):
-        raise NotImplementedError('{} should override _process()'.format(self))
-
     def _run(self):
         if self.input is None:
             raise RuntimeError('{} do not have an input'.format(self))
         return self.input.run()
-
-

ld2dap/test.py

@@ -22,6 +22,7 @@ def main():
     n.input = f
     o.input = n
     o.run()
+    #i.process(None)
     print(n.input)
     print(f.outputs)