Update graph_generator_utils.py

graph_generator_utils.py

@@ -1,10 +1,92 @@
+# import graphviz
+
+# def add_nodes_and_edges(dot: graphviz.Digraph, parent_id: str, nodes_list: list, current_depth: int, base_color: str):
+#     """
+#     Recursively adds nodes and edges to a Graphviz Digraph object,
+#     applying a color gradient and consistent styling.
+
+#     Args:
+#         dot (graphviz.Digraph): The Graphviz Digraph object to modify.
+#         parent_id (str): The ID of the parent node for the current set of nodes.
+#         nodes_list (list): A list of dictionaries, each representing a node
+#                            with 'id', 'label', 'relationship', and optional 'subnodes'.
+#         current_depth (int): The current depth in the graph hierarchy (0 for central node).
+#         base_color (str): The hexadecimal base color for the deepest nodes.
+#     """
+#     # Calculate color for current depth, making it lighter
+#     # This factor determines how quickly the color lightens per level.
+#     lightening_factor = 0.12 
+    
+#     # Convert base_color hex to RGB for interpolation
+#     # Ensure base_color is a valid hex string before converting
+#     if not isinstance(base_color, str) or not base_color.startswith('#') or len(base_color) != 7:
+#         base_color = '#19191a' # Fallback to default dark if invalid
+
+#     base_r = int(base_color[1:3], 16)
+#     base_g = int(base_color[3:5], 16)
+#     base_b = int(base_color[5:7], 16)
+
+#     # Calculate current node color by blending towards white
+#     current_r = base_r + int((255 - base_r) * current_depth * lightening_factor)
+#     current_g = base_g + int((255 - base_g) * current_depth * lightening_factor)
+#     current_b = base_b + int((255 - base_b) * current_depth * lightening_factor)
+
+#     # Clamp values to 255 to stay within valid RGB range
+#     current_r = min(255, current_r)
+#     current_g = min(255, current_g)
+#     current_b = min(255, current_b)
+    
+#     node_fill_color = f'#{current_r:02x}{current_g:02x}{current_b:02x}'
+
+#     # Font color: white for dark nodes, black for very light nodes for readability
+#     font_color = 'white' if current_depth * lightening_factor < 0.6 else 'black'
+    
+#     # Edge colors and font sizes
+#     edge_color = '#4a4a4a' # Dark gray for lines
+#     # Font size adjusts based on depth, ensuring a minimum size
+#     font_size = max(9, 14 - (current_depth * 2)) 
+#     edge_font_size = max(7, 10 - (current_depth * 1))
+
+#     for node in nodes_list:
+#         node_id = node.get('id')
+#         label = node.get('label')
+#         relationship = node.get('relationship')
+        
+#         # Basic validation for node data
+#         if not all([node_id, label, relationship]):
+#             raise ValueError(f"Invalid node: {node}")
+            
+#         # Add node with specified style
+#         dot.node(
+#             node_id,
+#             label,
+#             shape='box', # All nodes are rectangular
+#             style='filled,rounded', # Filled and rounded corners
+#             fillcolor=node_fill_color, 
+#             fontcolor=font_color,
+#             fontsize=str(font_size) 
+#         )
+        
+#         # Add edge from parent to current node
+#         dot.edge(
+#             parent_id,
+#             node_id,
+#             label=relationship,
+#             color=edge_color,
+#             fontcolor=edge_color, # Edge label color also dark gray
+#             fontsize=str(edge_font_size) 
+#         )
+        
+#         # Recursively call for subnodes
+#         if 'subnodes' in node:
+#             add_nodes_and_edges(dot, node_id, node['subnodes'], current_depth + 1, base_color)
+
 import graphviz
 
 def add_nodes_and_edges(dot: graphviz.Digraph, parent_id: str, nodes_list: list, current_depth: int, base_color: str):
     """
     Recursively adds nodes and edges to a Graphviz Digraph object,
     applying a color gradient and consistent styling.
-
     Args:
         dot (graphviz.Digraph): The Graphviz Digraph object to modify.
         parent_id (str): The ID of the parent node for the current set of nodes.
@@ -13,71 +95,55 @@ def add_nodes_and_edges(dot: graphviz.Digraph, parent_id: str, nodes_list: list,
         current_depth (int): The current depth in the graph hierarchy (0 for central node).
         base_color (str): The hexadecimal base color for the deepest nodes.
     """
-    # Calculate color for current depth, making it lighter
-    # This factor determines how quickly the color lightens per level.
-    lightening_factor = 0.12 
+    lightening_factor = 0.06
     
-    # Convert base_color hex to RGB for interpolation
-    # Ensure base_color is a valid hex string before converting
     if not isinstance(base_color, str) or not base_color.startswith('#') or len(base_color) != 7:
-        base_color = '#19191a' # Fallback to default dark if invalid
-
+        base_color = '#BEBEBE'
     base_r = int(base_color[1:3], 16)
     base_g = int(base_color[3:5], 16)
     base_b = int(base_color[5:7], 16)
-
-    # Calculate current node color by blending towards white
+    
     current_r = base_r + int((255 - base_r) * current_depth * lightening_factor)
     current_g = base_g + int((255 - base_g) * current_depth * lightening_factor)
     current_b = base_b + int((255 - base_b) * current_depth * lightening_factor)
-
-    # Clamp values to 255 to stay within valid RGB range
+    
     current_r = min(255, current_r)
     current_g = min(255, current_g)
     current_b = min(255, current_b)
     
     node_fill_color = f'#{current_r:02x}{current_g:02x}{current_b:02x}'
-
-    # Font color: white for dark nodes, black for very light nodes for readability
-    font_color = 'white' if current_depth * lightening_factor < 0.6 else 'black'
+    font_color = 'black'
     
-    # Edge colors and font sizes
-    edge_color = '#4a4a4a' # Dark gray for lines
-    # Font size adjusts based on depth, ensuring a minimum size
+    edge_color = '#4a4a4a'
     font_size = max(9, 14 - (current_depth * 2)) 
     edge_font_size = max(7, 10 - (current_depth * 1))
-
+    
     for node in nodes_list:
         node_id = node.get('id')
         label = node.get('label')
         relationship = node.get('relationship')
         
-        # Basic validation for node data
         if not all([node_id, label, relationship]):
             raise ValueError(f"Invalid node: {node}")
             
-        # Add node with specified style
         dot.node(
             node_id,
             label,
-            shape='box', # All nodes are rectangular
-            style='filled,rounded', # Filled and rounded corners
+            shape='box',
+            style='filled,rounded',
             fillcolor=node_fill_color, 
             fontcolor=font_color,
             fontsize=str(font_size) 
         )
         
-        # Add edge from parent to current node
         dot.edge(
             parent_id,
             node_id,
             label=relationship,
             color=edge_color,
-            fontcolor=edge_color, # Edge label color also dark gray
+            fontcolor=edge_color,
             fontsize=str(edge_font_size) 
         )
         
-        # Recursively call for subnodes
         if 'subnodes' in node:
-            add_nodes_and_edges(dot, node_id, node['subnodes'], current_depth + 1, base_color)
-
+            add_nodes_and_edges(dot, node_id, node['subnodes'], current_depth + 1, base_color)