Merge lp:~abreu-alexandre/unity-webapps-bbcnews/add-session-migration into lp:unity-webapps-bbcnews

[Alexandre Abreu]

add session migration script to upgrade desktop file exec from legacy runner to webbrowser-app

add session migration script to upgrade desktop file exec from legacy runner to webbrowser-app

[lp:~abreu-alexandre/unity-webapps-bbcnews/add-session-migration]

52. By Alexandre Abreu on 2013-09-11

extract app_id

[Robert Bruce Park (robru)]

Great, glad to see the APP_ID unified.

review: Approve

[PS Jenkins bot (ps-jenkins)]

review: Approve (continuous-integration)

=== modified file 'debian/control'
--- debian/control	2013-06-18 19:13:08 +0000
+++ debian/control	2013-09-11 19:06:43 +0000
@@ -4,6 +4,7 @@
 Standards-Version: 3.9.4
 Maintainer: Ubuntu Developers <[e-mail]>
 Build-Depends: debhelper (>= 9),
+               dh-migrations,
                unity-webapps-dev (>= 2.4.16),
 Homepage: http://www.bbc.co.uk/news/
 # If you aren't a member of ~webapps but need to upload packaging changes,

=== added file 'debian/unity-webapps-bbcnews.migrations'
--- debian/unity-webapps-bbcnews.migrations	1970-01-01 00:00:00 +0000
+++ debian/unity-webapps-bbcnews.migrations	2013-09-11 19:06:43 +0000
@@ -0,0 +1,1 @@
+scripts/update-desktop-file-exec-line.py

=== added directory 'scripts'
=== added file 'scripts/update-desktop-file-exec-line.py'
--- scripts/update-desktop-file-exec-line.py	1970-01-01 00:00:00 +0000
+++ scripts/update-desktop-file-exec-line.py	2013-09-11 19:06:43 +0000
@@ -0,0 +1,33 @@
+#!/usr/bin/python
+from gi.repository import Gio
+import os
+import glib
+import glob
+import re
+
+APP_ID = 'BBCNewsbbccouk'
+
+def get_local_applications_path():
+    return os.path.join(glib.get_user_data_dir(), 'applications')
+
+def update_desktop_file_exec_line():
+    local_applications_path = get_local_applications_path()
+    if not os.path.exists(local_applications_path) or not os.path.isdir(local_applications_path):
+        return
+
+    desktop_filename = os.path.join(local_applications_path, '{0}.desktop'.format(APP_ID))
+    if not os.path.exists(desktop_filename) or not os.path.isfile(desktop_filename):
+        return
+
+    try:
+        desktop_file_content = open(desktop_filename).read()
+        if desktop_file_content.find('unity-webapps-runner') != -1:
+            updated_desktop_file_content = re.sub(r"Exec\s*=\s*unity-webapps-runner\s*-n\s*'([^\s]*)'.*%u",
+                                                  r"Exec=webbrowser-app --chromeless --webapp='\1' --app-id='{0}'".format(APP_ID),
+                                                  desktop_file_content)
+            open(desktop_filename, "w+").write(updated_desktop_file_content)
+    except Exception, e:
+        print 'Error while upgrading the desktop file: ', str(e)
+
+if __name__ == "__main__":
+    update_desktop_file_exec_line()