From b89978824e0c351444c0033262308351ac480e53 Mon Sep 17 00:00:00 2001
From: Marcin Koziej <marcin.koziej@nowoczesnapolska.org.pl>
Date: Thu, 22 Mar 2012 13:49:57 +0100
Subject: [PATCH] export translationmodel to po file

---
 .../management/commands/translation2po.py     | 82 +++++++++++++++++++
 requirements-dev.txt                          |  1 +
 2 files changed, 83 insertions(+)
 create mode 100644 apps/modeltranslation/management/commands/translation2po.py

diff --git a/apps/modeltranslation/management/commands/translation2po.py b/apps/modeltranslation/management/commands/translation2po.py
new file mode 100644
index 000000000..9ab8489c6
--- /dev/null
+++ b/apps/modeltranslation/management/commands/translation2po.py
@@ -0,0 +1,82 @@
+import polib
+
+import os
+import sys
+import time
+from optparse import make_option
+from django.conf import settings
+from django.core.management.base import BaseCommand
+from django.core.management.color import color_style
+
+import modeltranslation.models
+from modeltranslation.translator import translator, NotRegistered
+
+
+def metadata(language=''):
+    "get metadata for PO, given language code"
+    t = time.strftime('%Y-%m-%d %H:%M%z')
+
+    return {
+        'Project-Id-Version': '1.0',
+        'Report-Msgid-Bugs-To': 'marcin.koziej@nowoczesnapolska.org.pl',
+        'POT-Creation-Date': '%s' % t,
+        'PO-Revision-Date': '%s' % t,
+        'Last-Translator': 'you <you@example.com>',
+        'Language-Team': '%s <yourteam@example.com>' % language,
+        'MIME-Version': '1.0',
+        'Content-Type': 'text/plain; charset=utf-8',
+        'Content-Transfer-Encoding': '8bit',
+        }
+
+
+def lang(field_name):
+    "Get the language code from localized field name"
+    return field_name.split('_')[-1]
+
+
+def make_po(language=''):
+    "Create new POFile object for language code"
+    po = polib.POFile()
+    po.metadata = metadata(language)
+    return po
+
+
+class Command(BaseCommand):
+    option_list = BaseCommand.option_list + (
+        make_option('-d', '--directory', help='Specify which directory should hold generated PO files', dest='directory'),
+        )
+    help = 'Export models from app to po files'
+    args = 'app'
+
+    def handle(self, appname, **options):
+        app = __import__(appname)
+        pofiles = {}
+        for mdname in dir(app.models):
+            if mdname[0] == '_': continue
+            md = getattr(app.models, mdname)
+            try:
+                opts = translator.get_options_for_model(md)
+            except NotRegistered:
+                continue
+
+            for obj in md.objects.all().order_by('pk'):
+                for fld in opts.fields:
+                    for locfld in opts.localized_fieldnames[fld]:
+                        cur_lang = lang(locfld)
+                        try:
+                            po = pofiles[cur_lang]
+                        except:
+                            po = make_po(cur_lang)
+                            pofiles[cur_lang] = po
+
+                        entry = polib.POEntry(
+                            msgid=getattr(obj, '%s_%s' % (fld, settings.LANGUAGE_CODE)),
+                            msgstr=getattr(obj, locfld),
+                            occurrences=[('%s/%s/%s' % (appname, mdname, locfld), obj.id)])
+                        po.append(entry)
+
+        directory = options['directory']
+        for lng, po in pofiles.items():
+            try: os.makedirs(os.path.join(directory, lng))
+            except OSError: pass
+            po.save(os.path.join(directory, lng, '%s.po' % appname))
diff --git a/requirements-dev.txt b/requirements-dev.txt
index aec394f4b..60cfab704 100755
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1 +1,2 @@
 django-debug-toolbar
+polib
-- 
2.20.1