Add order=, recursion detection, --verbose

site_ansto/instrument/util/config_edit.py

@@ -5,6 +5,12 @@ import os
 import sys
 
 global config
+global verbose
+global depth_list, line_list
+config = None
+verbose = False
+depth_list = []
+line_list = []
 
 def read_config_file(config_filename):
   import ConfigParser
@@ -42,14 +48,22 @@ def write_config_file(config, config_filename):
     #config.write(configfile)
 
 def do_cascade(config, name, cb_list, label, new_state):
-  if label in config.options(name):
-    cascade_list = config.get(name, label).lower().split(",")
-    for cb in cb_list:
-      lbl = cb.get_label().lower()
-      if ":" in lbl:
-        lbl = lbl.split(":")[0]
-      if lbl in cascade_list:
-        cb.set_state(new_state)
+  global depth_list
+  try:
+    if name in depth_list:
+      depth_list.append(name)
+      raise Exception("Recursion on " + str(depth_list))
+    depth_list.append(name)
+    if label in config.options(name):
+      cascade_list = config.get(name, label).lower().split(",")
+      for cb in cb_list:
+        lbl = cb.get_label().lower()
+        if ":" in lbl:
+          lbl = lbl.split(":")[0]
+        if lbl in cascade_list:
+          cb.set_state(new_state)
+  finally:
+    depth_list.pop()
 
 def main(config_filename):
   import urwid
@@ -61,22 +75,35 @@ def main(config_filename):
       u"UP/DOWN/PAGE UP/PAGE DOWN: scroll,  r/R: Reread,  q/Q/F8: Quit")
 
   def checkbox_change(check_box, new_state, user_data):
-    global config
+    global config, verbose, depth_list, line_list
+    if len(depth_list) == 0:
+      line_list = []
+      frame.footer = urwid.AttrWrap(urwid.Text(""), 'header')
     config.set(user_data, 'enabled', str(new_state))
-    line = u"Checkbox: name=%s, new_state=%s, user_data=%s" % (
-        check_box.get_label(), str(new_state), str(user_data))
-    frame.footer = urwid.AttrWrap(urwid.Text(
-          line), 'header')
-    if 'cascade' in config.options(user_data):
-      do_cascade(config, user_data, cb_list, 'cascade', new_state)
-    if new_state and 'onifon' in config.options(user_data):
-      do_cascade(config, user_data, cb_list, 'onifon', True)
-    if new_state and 'offifon' in config.options(user_data):
-      do_cascade(config, user_data, cb_list, 'offifon', False)
-    if (False == new_state) and 'onifoff' in config.options(user_data):
-      do_cascade(config, user_data, cb_list, 'onifoff', True)
-    if (False == new_state) and 'offifoff' in config.options(user_data):
-      do_cascade(config, user_data, cb_list, 'offifoff', False)
+    if verbose:
+      line = u"Checkbox: name=%s, new_state=%s, user_data=%s" % (
+          check_box.get_label(), str(new_state), str(user_data))
+      line_list.append(line + "\n")
+      frame.footer = urwid.AttrWrap(urwid.Text(line_list), 'header')
+    try:
+      order = ['offifoff', 'offifon', 'onifon', 'onifoff', 'cascade']
+      if 'order' in config.options(user_data):
+        order = config.get(user_data, 'order').lower().split(",")
+      for item in order:
+        if 'cascade' == item:
+          do_cascade(config, user_data, cb_list, 'cascade', new_state)
+        if (True == new_state) and 'onifon' == item:
+          do_cascade(config, user_data, cb_list, 'onifon', True)
+        if (True == new_state) and 'offifon' == item:
+          do_cascade(config, user_data, cb_list, 'offifon', False)
+        if (False == new_state) and 'onifoff' == item:
+          do_cascade(config, user_data, cb_list, 'onifoff', True)
+        if (False == new_state) and 'offifoff' == item:
+          do_cascade(config, user_data, cb_list, 'offifoff', False)
+    except Exception as prang:
+      line = "Exception: %s" % prang
+      line_list.append(line + "\n")
+      frame.footer = urwid.AttrWrap(urwid.Text(line_list), 'header')
 
   text_cb_list = list(config.sections())
   cb_map = {}
@@ -135,6 +162,7 @@ def main(config_filename):
   sflw = urwid.SimpleListWalker(lb_list)
   listbox = urwid.ListBox(sflw)
   frame = urwid.Frame(urwid.AttrWrap(listbox, 'body'), header=header)
+  frame.footer = urwid.AttrWrap(urwid.Text(""), 'header')
 
   palette = [
         ('body', 'black', 'light gray', 'standout'),
@@ -169,12 +197,14 @@ def main(config_filename):
 #     l.set_focus(b + 1)
 #     frame.footer = urwid.AttrWrap(urwid.Text([u"EditB: " + str(b)]), 'header')
     else:
-      frame.footer = urwid.AttrWrap(urwid.Text([u"Press: " + str(key)]), 'header')
+      if not key[0] == 'mouse release':
+        frame.footer = urwid.AttrWrap(urwid.Text([u"Press: " + str(key)]), 'header')
 
   urwid.MainLoop(frame, palette, unhandled_input=unhandled).run()
 
 
 if '__main__'==__name__:
+  global verbose
   import argparse
 
   # set default_ini to the name of the file to edit when no name is supplied
@@ -184,8 +214,11 @@ if '__main__'==__name__:
     Options can be enabled or disabled with mouse or spacebar.
     The default configuration filename is %s.
   """ % default_ini)
+  parser.add_argument("-v", "--verbose", action="store_true", help="give more infor in the footer")
   parser.add_argument("path", nargs="?", default = default_ini, help="name of file to edit [%s]" % default_ini)
   args = parser.parse_args()
   default_ini = os.path.abspath(args.path)
+  if args.verbose:
+    verbose = True
   main(default_ini)