simple form for enabling/disabling owncloud module

actions/module-disable

@@ -8,6 +8,7 @@ case "$2" in
     owncloud)
 	if [ -e "$1"/modules/owncloud.py ] ; then
 	    rm -f "$1"/modules/owncloud.py
+	    echo "disabled owncloud"
 	fi
      ;;
 esac

actions/module-enable

@@ -8,6 +8,7 @@ case "$2" in
     owncloud)
 	if [ ! -e "$1"/modules/owncloud.py ] ; then
 	    ln -s "$1"/modules/installed/apps/owncloud.py "$1"/modules/owncloud.py
+	    echo "enabled owncloud"
 	fi
      ;;
 esac

actions/module-list-available

@@ -1,6 +1,6 @@
 #!/bin/sh
 
-# Usage: module-list-available python_root
+# Usage: module-list-available
 # This will change when we switch to using aptitude.
 
 # TODO: Replace this with something like "aptitude search -F %p plinth-"

modules/installed/system/packages.py

@@ -0,0 +1,61 @@
+import cherrypy
+from gettext import gettext as _
+from auth import require
+from plugin_mount import PagePlugin, FormPlugin
+from forms import Form
+import actions
+import cfg
+from util import Message
+
+class Packages(PagePlugin, FormPlugin):
+    order = 20
+
+    def __init__(self, *args, **kwargs):
+        PagePlugin.__init__(self, *args, **kwargs)
+        self.register_page("sys.packages")
+        cfg.html_root.sys.menu.add_item("Package Manager", "icon-gift", "/sys/packages", 20)
+
+    @cherrypy.expose
+    @require()
+    def index(self, *args, **kwargs):
+        output, error = '', ''
+        if 'submitted' in kwargs:
+            if 'owncloud_enable' in kwargs:
+                output, error = actions.superuser_run("module-enable", [cfg.python_root, "owncloud"])
+                # TODO: need to get plinth to load the module we just enabled
+            else:
+                output, error = actions.superuser_run("module-disable", [cfg.python_root, "owncloud"])
+                # TODO: need a smoother way for plinth to unload the module
+
+        main=_("""
+<p>aptitude purge modules</p>
+<p>aptitude install modules</p>
+<p>The modules should depend on the appropriate Debian packages.</p>""")
+        main += self.form(self, Message(output), args, kwargs)
+        sidebar_right = _("""
+<strong>Help</strong>
+<p>On this page, you can add or remove %s plugins to your %s.</p>
+<p>Plugins are just Debian packages, so Debian's usual package management features should make this job fairly easy.</p>""" % (cfg.product_name, cfg.box_name))
+        return self.fill_template(title=_("Add/Remove Plugins"), main=main, sidebar_right=sidebar_right)
+
+    def form(self, message=None, *args, **kwargs):
+        output, error = actions.run("module-list-available")
+        if error:
+            raise Exception("something is wrong: " + error)
+        modules_available = output.split()
+        
+        output, error = actions.run("module-list-enabled", cfg.python_root)
+        if error:
+            raise Exception("something is wrong: " + error)
+        modules_enabled = output.split()
+
+        form = Form(title="Manage Plugins",
+                    action=cfg.server_dir + "/sys/packages/index",
+                    name="manage_modules",
+                    message=message)
+        for module in modules_available:
+            form.checkbox(_("Enable %s" % module), name="%s_enable" % module, id="%s_enable" % module, checked = True if module in modules_enabled else False)
+        form.hidden(name="submitted", value="True")
+        form.html(_("""<p>Enabling a plugin will cause a corresponding page to appear in Plinth.</p>"""))
+        form.submit(_("Update setup"))
+        return form.render()

modules/installed/system/system.py

@@ -23,7 +23,6 @@ class Sys(PagePlugin):
         self.register_page("sys")
         self.menu = cfg.main_menu.add_item(_("System"), "icon-cog", "/sys", 100)
 	self.menu.add_item(_("Configure"), "icon-cog", "/sys/config", 10)
-	self.menu.add_item(_("Package Manager"), "icon-gift", "/sys/packages", 20)
 	self.menu.add_item(_("Users and Groups"), "icon-user", "/sys/users", 15)
 
     @cherrypy.expose
@@ -35,18 +34,3 @@ class Sys(PagePlugin):
         general level.  This is where you add/remove users, install
         applications, reboot, etc.</p>
         """ % {'product':cfg.product_name}))
-
-    @cherrypy.expose
-    @require()
-    def packages(self):
-        side=_("""
-<strong>Help</strong>
-<p>On this page, you can add or remove %s plugins to your %s.</p>
-<p>Plugins are just Debian packages, so Debian's usual package management features should make this job fairly easy.</p>
-""" % (cfg.product_name, cfg.box_name))
-        return self.fill_template(title=_("Add/Remove Plugins"), main=_("""
-        <p>aptitude purge modules</p>
-        <p>aptitude install modules</p>
-        <p>The modules should depend on the appropriate Debian packages.</p>"""),
-                         sidebar_right=side)
-        

modules/packages.py

@@ -0,0 +1 @@
+installed/system/packages.py