Added a 'hide' option to form definitions which lets you hide the form in the list. You can still refer to it in other ways, if you know its name.

doc/MANUAL.md

@@ -153,8 +153,12 @@ Structurally, they are made up of the following elements:
         - **`required`**: Whether the field is required. **Optional**,
           **Boolean**.
 
-        - **`...`**: Other options, which depend on the type of field.
-          **Optional**.
+        - **`hide`**: If 'true', don't show the form in the list. You can still
+          view it, if you know its name. This is useful for other forms to
+          redirect to this forms and such.
+
+        - **`...`**: Other options, which depend on the type of field.  For
+          more information, see [Field types](#field_types). **Optional**.
 
     - **`allowed_users`**: A list of users that are allowed to view and submit
       this form. **Optional**, **List of strings**.

src/scriptform.py

@@ -200,6 +200,7 @@ class ScriptForm:
                                form['fields'],
                                script,
                                output=form.get('output', 'escaped'),
+                               hide=form.get('hide', False),
                                submit_title=form.get('submit_title', 'Submit'),
                                allowed_users=form.get('allowed_users', None))
             )
@@ -303,7 +304,7 @@ class FormDefinition:
     for validation of the form values.
     """
     def __init__(self, name, title, description, fields, script,
-                 output='escaped', submit_title="Submit",
+                 output='escaped', hide=False, submit_title="Submit",
                  allowed_users=None):
         self.name = name
         self.title = title
@@ -311,6 +312,7 @@ class FormDefinition:
         self.fields = fields
         self.script = script
         self.output = output
+        self.hide = hide
         self.submit_title = submit_title
         self.allowed_users = allowed_users
 
@@ -604,6 +606,8 @@ class ScriptFormWebApp(WebAppHandler):
             if form_def.allowed_users is not None and \
                self.username not in form_def.allowed_users:
                 continue  # User is not allowed to run this form
+            if form_def.hide:
+                continue # Don't show hidden forms in the list.
             h_form_list.append(u'''
               <li>
                 <h2 class="form-title">{title}</h2>