cascade and a bit of cleanup

site_ansto/instrument/util/config_edit.py

@@ -1,18 +1,20 @@
 #!/usr/bin/env python
-# vim: tabstop=8  softtabstop=2  shiftwidth=2  nocindent  smartindent
+# vim: tabstop=8  softtabstop=2  shiftwidth=2  nocin  si et ft=python
 
 import os
 import sys
-import urwid
-import ConfigParser
 
 def main(config_filename):
+  import urwid
+  import ConfigParser
+
   config = ConfigParser.SafeConfigParser()
   config.read(config_filename)
   #print config_filename
   #config.write(sys.stdout)
-  text_header = (u"SICS Config Editor!   w/W/F12 Saves & Exits\n"
-    u"UP / DOWN / PAGE UP / PAGE DOWN scroll.  q/Q/F8 Exits.")
+  text_header = (
+      u"SICS Config Editor!                      w/W/F12 Saves & Exits\n"
+      u"UP / DOWN / PAGE UP / PAGE DOWN scroll.  q/Q/F8 Exits.")
 
   def checkbox_change(check_box, new_state, user_data):
     config.set(user_data, 'enabled', str(new_state))
@@ -20,10 +22,16 @@ def main(config_filename):
         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):
+      cascade_list = config.get(user_data, 'cascade').split(",")
+      for cb in cb_list:
+        lbl = cb.get_label().split(":")[0]
+        if lbl in cascade_list:
+          cb.set_state(new_state)
 
   text_cb_list = list(config.sections())
   cb_list = []
-  for txt in text_cb_list:
+  for txt in sorted(text_cb_list):
     state = False
     if 'enabled' in config.options(txt):
       if config.get(txt, 'enabled').lower() in ['1', 'yes', 'true']:
@@ -31,28 +39,42 @@ def main(config_filename):
     config.set(txt, 'enabled', str(state))
     cb_text = ""
     cb_text += txt
-    if 'name' in config.options(txt):
-      cb_text += ": (" +  config.get(txt, 'name') + ")"
-    cb = urwid.AttrWrap(
-        urwid.CheckBox(cb_text,
+    if 'desc' in config.options(txt):
+      cb_text += ": (" +  config.get(txt, 'desc').strip("\"") + ")"
+    cb = urwid.CheckBox(cb_text,
           state=state,
           on_state_change=checkbox_change,
-          user_data=txt),
-        'buttn', 'buttnf')
+          user_data=txt)
     cb_list.append(cb)
 
   def fcc(focus):
     frame.footer = urwid.AttrWrap(urwid.Text(
           [u"Focus: " + str(focus)]), 'header')
 
-  sflw = urwid.SimpleFocusListWalker(cb_list)
-  sflw.set_focus_changed_callback(fcc)
-  listbox = urwid.ListBox(sflw)
+
+  blank = urwid.Divider()
+  listbox_content = [
+      blank,
+      urwid.Padding(urwid.GridFlow(
+        [urwid.AttrWrap(cb, 'buttn', 'buttnf') for cb in cb_list],
+        60, 1, 0, 'left'),
+        left=4, right=3, min_width=60),
+      blank,
+      blank
+      ]
+
+  if False:
+    listbox = urwid.Pile(cb_list)
+  else:
+    if "SimpleFocusListWalker" in dir(urwid):
+      sflw = urwid.SimpleFocusListWalker(listbox_content)
+      sflw.set_focus_changed_callback(fcc)
+    else:
+      sflw = urwid.SimpleListWalker(listbox_content)
 
   header = urwid.AttrWrap(urwid.Text(text_header), 'header')
-  frame = urwid.Frame(
-      urwid.AttrWrap(urwid.Padding(listbox, left=2, right=2), 'body'),
-      header=header)
+  listbox = urwid.ListBox(sflw)
+  frame = urwid.Frame(urwid.AttrWrap(listbox, 'body'), header=header)
 
   palette = [
         ('body', 'black', 'light gray', 'standout'),
@@ -78,15 +100,31 @@ def main(config_filename):
       with open(config_filename, "wb") as configfile:
         config.write(configfile)
       raise urwid.ExitMainLoop()
+    elif key in ['e', 'E', 'f4']:
+      f = sflw.get_focus()
+      frame.footer = urwid.AttrWrap(urwid.Text([u"EditE: " + str(dir(f[0]))]), 'header')
     elif key in ['q', 'Q', 'f8']:
       raise urwid.ExitMainLoop()
+#   elif key in ['b', 'B']:
+#     l = sflw[1].base_widget
+#     f = l.focus_cell
+#     b = l.cells.index(f)
+#     l.cells.insert(b + 1, urwid.AttrWrap(urwid.Edit(edit_text=u"Hello"), 'header'))
+#     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')
+      frame.footer = urwid.AttrWrap(urwid.Text([u"Press: " + str(key)]), 'header')
 
   urwid.MainLoop(frame, palette, unhandled_input=unhandled).run()
 
 
 if '__main__'==__name__:
-  main("my_config_parser.ini")
+  import argparse
+
+  default_ini = "my_config_parser.ini"
+  parser = argparse.ArgumentParser(description = "Edit a configuration (*.ini) file using python urwin")
+  parser.add_argument("path", nargs="?", default = default_ini, help="name of file to edit")
+  args = parser.parse_args()
+  default_ini = os.path.abspath(args.path)
+  main(default_ini)