Commit 1333fdcb authored by Maxime Perrotin's avatar Maxime Perrotin
Browse files

Fix minor issues with statechart configuration

parent f553b25b
......@@ -612,7 +612,7 @@ def create_dot_graph(root_ast, basic=False, scene=None):
else: ("Statechart settings read from configuration file")
if scene:
if scene and scene.views():
# Load and display a table for the user to filter out messages that
# are not relevant to display on the statechart - and make it lighter
# Repeat for substates, too.
......@@ -1027,11 +1027,15 @@ class SDL_Scene(QtGui.QGraphicsScene, object):
ast, _, _ = ogParser.parse_pr(string=pr_data)
process_ast, = ast.processes
process_ast.input_signals = \
except ValueError:
LOG.debug('No statechart to render')
return None
process_ast.input_signals = \
except IndexError:
# No process context, eg. when called from cmd line
LOG.debug("Statechart rendering: no CONTEXT.processes[0]")
# Flatten nested states (no, because neato does not support it,
# dot supports only vertically-aligned states, and fdp does not
# support curved edges and is buggy with pygraphviz anyway)
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