[test/check_graph_appearance.py] add sample for graph apearance

Author: rkoyama1623-2021

test/check_graph_appearance.py

@@ -0,0 +1,43 @@
+#!/usr/bin/python
+#-*- coding:utf-8 -*-
+
+import argparse
+import signal
+import pyqtgraph
+from test_util import log_plotter_exec
+
+
+def show_graph():
+    layout =u'''
+main:
+  graph of dummy:
+    legends:
+      - { key: dummy, id: [0] }
+      - { key: dummy, id: [0] }
+'''
+    a = log_plotter_exec(layout=layout,
+                         plot_conf ='config/sample_plot.yaml',
+                         fname = 'data/sample/sample_data')
+    a.view.showMaximized()
+    return a
+        
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser(description='plot data from hrpsys log')
+    parser.add_argument("-i", action='store_true', help='interactive (start IPython)')
+    parser.set_defaults(feature=False)
+    args = parser.parse_args()
+
+    app = pyqtgraph.Qt.QtGui.QApplication([])
+    a = show_graph()
+    if args.i:
+        [app.processEvents() for i in range(2)]
+        # start ipython
+        print '====='
+        print "please use \033[33mapp.processEvents()\033[m to update graph."
+        print "you can use \033[33ma\033[m as LogPlotter instance."
+        print '====='
+        from IPython import embed
+        embed()
+    else:
+        signal.signal(signal.SIGINT, signal.SIG_DFL)
+        pyqtgraph.Qt.QtGui.QApplication.instance().exec_()