Start a config editor with an extract from the urwid tour

site_ansto/instrument/util/config_edit.py

@@ -0,0 +1,82 @@
+import urwid
+import urwid.raw_display
+import urwid.web_display
+
+def main():
+    text_header = (u"Welcome to the urwid tour!  "
+        u"UP / DOWN / PAGE UP / PAGE DOWN scroll.  F8 exits.")
+    text_button_list = [u"Yes", u"No", u"Perhaps", u"Certainly", u"Partially",
+        u"Tuesdays Only", u"Help"]
+    text_cb_list = [u"Wax", u"Wash", u"Buff", u"Clear Coat", u"Dry",
+        u"Racing Stripe"]
+    text_rb_list = [u"Morning", u"Afternoon", u"Evening", u"Weekend"]
+
+
+    def button_press(button):
+        frame.footer = urwid.AttrWrap(urwid.Text(
+            [u"Pressed: ", button.get_label()]), 'header')
+
+    radio_button_group = []
+
+    blank = urwid.Divider()
+    listbox_content = [
+        urwid.Padding(urwid.GridFlow(
+            [urwid.AttrWrap(urwid.Button(txt, button_press),
+                'buttn','buttnf') for txt in text_button_list],
+            13, 3, 1, 'left'),
+            left=4, right=3, min_width=13),
+        blank,
+        urwid.Padding(urwid.GridFlow(
+            [urwid.AttrWrap(urwid.CheckBox(txt),'buttn','buttnf')
+                for txt in text_cb_list],
+            10, 3, 1, 'left') ,
+            left=4, right=3, min_width=10),
+        blank,
+        urwid.Padding(urwid.GridFlow(
+            [urwid.AttrWrap(urwid.RadioButton(radio_button_group,
+                txt), 'buttn','buttnf')
+                for txt in text_rb_list],
+            13, 3, 1, 'left') ,
+            left=4, right=3, min_width=13),
+        blank,
+       ]
+    header = urwid.AttrWrap(urwid.Text(text_header), 'header')
+    listbox = urwid.ListBox(urwid.SimpleListWalker(listbox_content))
+    frame = urwid.Frame(urwid.AttrWrap(listbox, 'body'), header=header)
+
+    palette = [
+        ('body','black','light gray', 'standout'),
+        ('reverse','light gray','black'),
+        ('header','white','dark red', 'bold'),
+        ('important','dark blue','light gray',('standout','underline')),
+        ('editfc','white', 'dark blue', 'bold'),
+        ('editbx','light gray', 'dark blue'),
+        ('editcp','black','light gray', 'standout'),
+        ('bright','dark gray','light gray', ('bold','standout')),
+        ('buttn','black','dark cyan'),
+        ('buttnf','white','dark blue','bold'),
+        ]
+
+    if urwid.web_display.is_web_request():
+        screen = urwid.web_display.Screen()
+    else:
+        screen = urwid.raw_display.Screen()
+
+    def unhandled(key):
+        if key == 'f8':
+            raise urwid.ExitMainLoop()
+
+    urwid.MainLoop(frame, palette, screen,
+        unhandled_input=unhandled).run()
+
+def setup():
+    urwid.web_display.set_preferences("Urwid Tour")
+    # try to handle short web requests quickly
+    if urwid.web_display.handle_short_request():
+        return
+
+    main()
+
+if '__main__'==__name__ or urwid.web_display.is_web_request():
+    setup()
+