New status command line

status.py

@@ -0,0 +1,49 @@
+
+import processGraph as pg
+
+import os
+import sys
+
+import argparse
+from pprint import pprint
+
+    
+parser = argparse.ArgumentParser(description='Query the status of nodes in a Graph of processes.')
+parser.add_argument('graphFile', metavar='GRAPHFILE.mg', type=str,
+                    help='Filepath to a graph file.')
+parser.add_argument('--node', metavar='NODE_NAME', type=str,
+                    help='Process the node alone.')
+parser.add_argument('--graph', metavar='NODE_NAME', type=str,
+                    help='Process the node and all previous nodes needed.')
+parser.add_argument("--verbose", help="Print full status information",
+                    action="store_true")
+
+args = parser.parse_args()
+
+if not os.path.exists(args.graphFile):
+    print('ERROR: No graph file "{}".'.format(args.node, args.graphFile))
+    exit(-1)
+
+graph = pg.loadGraph(args.graphFile)
+
+graph.update()
+
+if args.node:
+    if args.node not in graph.nodes:
+        print('ERROR: node "{}" does not exist in file "{}".'.format(args.node, args.graphFile))
+        exit(-1)
+    node = graph.nodes[args.node]
+    print('{}: {}'.format(node.name, node.status.status.name))
+    if args.verbose:
+        print('statusFile: ', node.statusFile())
+        pprint(node.status.toDict())
+else:
+    startNodes = None
+    if args.graph:
+        startNodes = [graph.nodes[args.graph]]
+    nodes = graph.dfsNodesOnFinish(startNodes=startNodes)
+    for n in nodes:
+        print('{}: {}'.format(node.name, node.status.status.name))
+    if args.verbose:
+        pprint([n.status.toDict() for n in nodes])
+