misc: build and install locale files

setup.py

@@ -2,8 +2,12 @@
 
 import os
 import subprocess
+import sys
 
+from setuptools.command.install_lib import install_lib as _install_lib
+from distutils.command.build import build as _build
 from distutils.command.sdist import sdist
+from distutils.cmd import Command
 from setuptools import setup, find_packages
 
 def get_version():
@@ -35,6 +39,40 @@ class eo_sdist(sdist):
         if os.path.exists('VERSION'):
             os.remove('VERSION')
 
+class compile_translations(Command):
+    description = 'compile message catalogs to MO files via django compilemessages'
+    user_options = []
+
+    def initialize_options(self):
+        pass
+
+    def finalize_options(self):
+        pass
+
+    def run(self):
+        try:
+            from django.core.management import call_command
+            for path, dirs, files in os.walk('passerelle'):
+                if 'locale' not in dirs:
+                    continue
+                curdir = os.getcwd()
+                os.chdir(os.path.realpath(path))
+                call_command('compilemessages')
+                os.chdir(curdir)
+        except ImportError:
+            sys.stderr.write('!!! Please install Django >= 1.4 to build translations\n')
+
+
+class build(_build):
+    sub_commands = [('compile_translations', None)] + _build.sub_commands
+
+
+class install_lib(_install_lib):
+    def run(self):
+        self.run_command('compile_translations')
+        _install_lib.run(self)
+
+
 setup(name='passerelle',
         version=get_version(),
         license='AGPLv3',
@@ -54,5 +92,10 @@ setup(name='passerelle',
             'requests',
             'gadjo',
         ],
-        cmdclass={'sdist': eo_sdist},
+        cmdclass={
+            'build': build,
+            'compile_translations': compile_translations,
+            'install_lib': install_lib,
+            'sdist': eo_sdist,
+        },
 )