[gui] Layouts: black

gui/cadbiom_gui/gt_gui/layout.py

 ## Filename    : layout
 ## Author(s)   : Michel Le Borgne
 ## Created     : 01/2012
-## Revision    : 
-## Source      : 
+## Revision    :
+## Source      :
 ##
 ## Copyright 2012 : IRISA/IRSET
 ##
@@ -33,8 +33,8 @@
 ##     IRISA/IRSET
 ##     Symbiose team
 ##     IRISA  Campus de Beaulieu
-##     35042 RENNES Cedex, FRANCE 
-##     
+##     35042 RENNES Cedex, FRANCE
+##
 ##
 ## Contributor(s):
 ##
@@ -76,36 +76,36 @@ class LayoutVisitor(object):
         such as certain telecommunications networks.
 
     """
+
     def __init__(self, view, layout_style):
         self.view = view
         self.drawing_style = view.drawing_style
         self.layout = layout_style
-        
-    
+
     def visit_chart_model(self, model):
         """
          Not used
         """
         model.get_root().accept(self)
-        
+
     def visit_cstart_node(self, node):
         """
          Not used
         """
         return
-    
+
     def visit_ctrap_node(self, node):
         """
          Not used
         """
         return
-    
+
     def visit_csimple_node(self, node):
         """
          Not used
         """
         return
-    
+
     def visit_cinput_node(self, node):
         """
          Not used
@@ -117,24 +117,24 @@ class LayoutVisitor(object):
          Not used
         """
         return
-    
+
     def visit_cmacro_node(self, node):
         """
         Layouts are done on each macro place
-        Change the local coordinates of subnodes according to layout style 
+        Change the local coordinates of subnodes according to layout style
         """
         if node.sub_nodes == []:
             return
-        agraph = pgv.AGraph(splines='ortho')
+        agraph = pgv.AGraph(splines="ortho")
         node_dict = dict()
         # build nodes
-        for snode in node.sub_nodes:            
+        for snode in node.sub_nodes:
             agraph.add_node(snode.name)
             anode = agraph.get_node(snode.name)
             node_dict[snode.name] = snode
             if snode.is_macro() and snode.model.show_macro:
-                anode.attr['width'] = "%s" % snode.wloc
-                anode.attr['height'] = "%s" % snode.hloc
+                anode.attr["width"] = "%s" % snode.wloc
+                anode.attr["height"] = "%s" % snode.hloc
                 snode.accept(self)
         # build edges
         for tgr in node.transitions:
@@ -142,51 +142,50 @@ class LayoutVisitor(object):
                 agraph.add_edge(trans.ori.name, trans.ext.name)
         # layout
         layout_style = self.layout
-        if layout_style == 'hierarchical_LR':
-            agraph.layout(prog='dot', args='-Grankdir=LR')
-        elif layout_style == 'hierarchical_TB':
-            agraph.layout(prog='dot', args='-Grankdir=BT')
-        elif layout_style == 'neato':
-            agraph.layout(prog='neato')
-        elif layout_style == 'fdp':
-            agraph.layout(prog='fdp')
-        elif layout_style == 'twopi':
-            agraph.layout(prog='twopi')
-        elif layout_style == 'circo':
-            agraph.layout(prog='circo')
+        if layout_style == "hierarchical_LR":
+            agraph.layout(prog="dot", args="-Grankdir=LR")
+        elif layout_style == "hierarchical_TB":
+            agraph.layout(prog="dot", args="-Grankdir=BT")
+        elif layout_style == "neato":
+            agraph.layout(prog="neato")
+        elif layout_style == "fdp":
+            agraph.layout(prog="fdp")
+        elif layout_style == "twopi":
+            agraph.layout(prog="twopi")
+        elif layout_style == "circo":
+            agraph.layout(prog="circo")
         else:
             LOGGER.error(
-                "LayoutVisitor::visit_cmacro_node: Unknow layout: %s",
-                layout_style
+                "LayoutVisitor::visit_cmacro_node: Unknow layout: %s", layout_style
             )
             exit(1)
 
         # change coordinates
         # bounding box for ratios
-        bbox = pgv.graphviz.agget(agraph.handle, 'bb')
-        bbox = bbox.split(',')
+        bbox = pgv.graphviz.agget(agraph.handle, "bb")
+        bbox = bbox.split(",")
         xmin = float(bbox[0])
         xmax = float(bbox[2])
         ymin = float(bbox[1])
         ymax = float(bbox[3])
-        #adjust graphic window
+        # adjust graphic window
         view = self.view
-        cond = ((xmax - xmin) / 3.0 > view.draw_width)
+        cond = (xmax - xmin) / 3.0 > view.draw_width
         cond = cond or ((xmax - xmin) / 3.0 < view.draw_width / 2.0)
         if cond:
-            view.draw_width = min(int((xmax - xmin)/3.0), 10400) # 31200 max
+            view.draw_width = min(int((xmax - xmin) / 3.0), 10400)  # 31200 max
             view.draw_width = max(1300, view.draw_width)
             view.min_width = view.draw_width
         cond = ymax - ymin > view.draw_height
-        cond = cond  or ymax - ymin < view.draw_height/2.0
-        if cond: 
-            view.draw_height = min(int(ymax - ymin), 7200) # 21600 max
+        cond = cond or ymax - ymin < view.draw_height / 2.0
+        if cond:
+            view.draw_height = min(int(ymax - ymin), 7200)  # 21600 max
             view.draw_height = max(900, view.draw_height)
             view.min_height = view.draw_height
         # reset zoom counter
         view.zoom_count = 0
         gwidth = 1.0
-        gheight = 1.0 # virtual window for the macro node
+        gheight = 1.0  # virtual window for the macro node
         if xmin == xmax or ymin == ymax:
             LOGGER.error(
                 "LayoutVisitor::visit_cmacro_node: Coordinates consistency: "
@@ -196,11 +195,11 @@ class LayoutVisitor(object):
             )
             exit(1)
 
-        x_ratio = gwidth/(xmax-xmin)
-        y_ratio = gheight/(ymax-ymin)
+        x_ratio = gwidth / (xmax - xmin)
+        y_ratio = gheight / (ymax - ymin)
         # changing coordinates
         for node in agraph.nodes():
-            pos = node.attr['pos'].split(',')
+            pos = node.attr["pos"].split(",")
             cnn = node_dict[node]
             xcoord = float(pos[0]) * x_ratio
             ycoord = float(pos[1]) * y_ratio
@@ -212,10 +211,9 @@ class LayoutVisitor(object):
         """
         self.visit_cmacro_node(node)
         return
-    
+
     def visit_ctransition(self, trans):
         """
          Not used
         """
         return
-