upgrade and fix AutoNode examples

Author: ArnoChenFx

example_auto_nodes/basic_nodes.py

@@ -21,7 +21,7 @@ def __init__(self):
         # create node outputs.
         self.add_output('out A')
         self.add_output('out B')
-
+        self.set_icon("example_auto_nodes/pear.png")
 
 class BarNode(AutoNode):
     """

example_auto_nodes/input_nodes.py

@@ -77,9 +77,34 @@ def __init__(self):
     def run(self):
         path = self.get_property('path')
         if os.path.exists(path):
-            with open(path, 'r') as fread:
-                data = fread.read()
-                self.set_property('output', data)
+            try:
+                with open(path, 'r') as fread:
+                    data = fread.read()
+                    self.set_property('out', data)
+            except Exception as e:
+                self.error(e)
         else:
-            print('No existe %s' % path)
-            self.set_property('output', '')
+            self.error('No existe %s' % path)
+            self.set_property('out', '')
+
+
+class TextInputNode(AutoNode):
+    """
+    An example of a node with a embedded QLineEdit.
+    """
+
+    # unique node identifier.
+    __identifier__ = 'Inputs'
+
+    # initial default node name.
+    NODE_NAME = 'text'
+
+    def __init__(self):
+        super(TextInputNode, self).__init__()
+
+        # create input & output ports
+        self.add_output('out')
+
+        # create QLineEdit text input widget.
+        self.add_text_input('out', 'Text Input', tab='widgets')
+        self.view.widgets['out'].value_changed.connect(self.cook)

example_auto_nodes/math_node.py

@@ -92,6 +92,10 @@ def run(self):
             self.error("Error : %s" % str(error))
 
 class VectorValue(AutoNode):
+    """
+    Create a basic vector data
+    """
+
     __identifier__ = 'Math'
     NODE_NAME = 'Vector'
 
@@ -119,6 +123,10 @@ def updateValue(self, index):
 
 
 class VectorSplit(AutoNode):
+    """
+    Splict a vector to x,y,z
+    """
+
     __identifier__ = 'Math'
     NODE_NAME = 'Vector Split'
 
@@ -135,8 +143,6 @@ def __init__(self):
 
         self.add_input("in vector",list)
 
-
-
     def run(self):
         value = self.getInputData(0)
         self.set_property("x", value[0])
@@ -145,6 +151,10 @@ def run(self):
 
 
 class VectorMaker(AutoNode):
+    """
+    Create a vector by three float value
+    """
+
     __identifier__ = 'Math'
     NODE_NAME = 'Vector Maker'
 

example_auto_nodes/widget_nodes.py

@@ -25,28 +25,6 @@ def __init__(self):
         self.add_combo_menu('my_menu', 'Menu Test', items=items)
 
 
-class TextInputNode(AutoNode):
-    """
-    An example of a node with a embedded QLineEdit.
-    """
-
-    # unique node identifier.
-    __identifier__ = 'com.chantasticvfx'
-
-    # initial default node name.
-    NODE_NAME = 'text'
-
-    def __init__(self):
-        super(TextInputNode, self).__init__()
-
-        # create input & output ports
-        self.add_input('in')
-        self.add_output('out')
-
-        # create QLineEdit text input widget.
-        self.add_text_input('my_input', 'Text Input', tab='widgets')
-
-
 class CheckboxNode(AutoNode):
     """
     An example of a node with 2 embedded QCheckBox widgets.