buildorder.py: wrap main()

buildorder.py

@@ -30,6 +30,7 @@ packages_map = {}
 packages_dir = 'packages'
 
 
+def main():
     for subdir_name in sorted(os.listdir(packages_dir)):
         subdir_path = packages_dir + '/' + subdir_name
 
@@ -53,6 +54,7 @@ for subdir_name in sorted(os.listdir(packages_dir)):
                         dep = dep.strip()
                         if not dep.endswith('libandroid-support-dev'):
                             this_package.remaining_dependencies.add(dep)
+
         for file_in_subdir_name in sorted(os.listdir(subdir_path)):
             if file_in_subdir_name.endswith('.subpackage.sh'):
                 subpackage_name = file_in_subdir_name[0:-len(".subpackage.sh"):]
@@ -73,7 +75,9 @@ for subdir_name in sorted(os.listdir(packages_dir)):
     for package in all_packages:
         for remaining in package.remaining_dependencies:
             if remaining not in packages_map:
-            die('Package ' + package.name + ' depends on non-existing package "' + remaining + '"')
+                die('Package %s depends on non-existing package "%s"' % (
+                 package.name, remaining
+                ))
             packages_map[remaining].prerequisite_for.add(package)
 
     # List of all DebianPackage:s without dependencies
@@ -111,3 +115,6 @@ if len(all_packages) != len(build_order):
 
     for pkg in build_order:
         print(pkg.name)
+
+if __name__ == '__main__':
+    main()