handle null fields in modeltranslation

[wolnelektury.git] / apps / modeltranslation / management / commands / translation2po.py

diff --git a/apps/modeltranslation/management/commands/translation2po.py b/apps/modeltranslation/management/commands/translation2po.py
index 9ab8489..09eec1a 100644 (file)
--- a/apps/modeltranslation/management/commands/translation2po.py
+++ b/apps/modeltranslation/management/commands/translation2po.py
@@ -1,4 +1,3 @@
-import polib
 
 import os
 import sys
@@ -8,6 +7,7 @@ from django.conf import settings
 from django.core.management.base import BaseCommand
 from django.core.management.color import color_style
 
+import polib
 import modeltranslation.models
 from modeltranslation.translator import translator, NotRegistered
 
@@ -22,7 +22,7 @@ def metadata(language=''):
         'POT-Creation-Date': '%s' % t,
         'PO-Revision-Date': '%s' % t,
         'Last-Translator': 'you <you@example.com>',
-        'Language-Team': '%s <yourteam@example.com>' % language,
+        'Language-Team': '%s' % dict(settings.LANGUAGES).get(language, language),
         'MIME-Version': '1.0',
         'Content-Type': 'text/plain; charset=utf-8',
         'Content-Transfer-Encoding': '8bit',
@@ -41,42 +41,93 @@ def make_po(language=''):
     return po
 
 
+def get_languages(langs):
+    if not langs: return settings.LANGUAGES
+    langs = langs.split(',')
+    lm = dict(settings.LANGUAGES)
+    return map(lambda l: (l, lm.get(l, l)), langs)
+
+
 class Command(BaseCommand):
     option_list = BaseCommand.option_list + (
         make_option('-d', '--directory', help='Specify which directory should hold generated PO files', dest='directory'),
+        make_option('-l', '--load', help='load locales back to source', action='store_true', dest='load', default=False),
+        make_option('-L', '--language', help='locales to load', dest='lang', default=None),
+        make_option('-n', '--poname', help='name of the po file [no extension]', dest='poname', default=None),
         )
     help = 'Export models from app to po files'
     args = 'app'
 
-    def handle(self, appname, **options):
-        app = __import__(appname)
-        pofiles = {}
+    def get_models(self, app):
+        r = []
         for mdname in dir(app.models):
             if mdname[0] == '_': continue
             md = getattr(app.models, mdname)
             try:
                 opts = translator.get_options_for_model(md)
+                r.append((md, opts))
             except NotRegistered:
                 continue
+        return r
+
+    def handle(self, appname, **options):
+        if not options['poname']: options['poname'] = appname
+        app = __import__(appname)
+
+        if options['load']:
+            objects = {}
+            modmod = {}
+            for md, opts in self.get_models(app):
+                if not md.__name__ in objects:
+                    objects[md.__name__] = {}
+                    modmod['model'] = md
+
+            languages = get_languages(options['lang'])
+
+            for lng in zip(*languages)[0]:
+                pofile = os.path.join(options['directory'], lng, options['poname'] + '.po')
+                if not os.path.exists(pofile): raise OSError('%s po file: %s not found' % (appname, pofile))
+                po = polib.pofile(pofile)
+                for entry in po:
+                    loc, pk = entry.occurrences[0]
+                    _appname, modelname, fieldname = loc.split('/')
+                    try:
+                        obj = objects[modelname][pk]
+                    except KeyError:
+                        obj = modmod['model'].objects.get(pk=pk)
+                        objects[modelname][pk] = obj
+                    setattr(obj, fieldname, entry.msgstr)
+
+            for mod, objcs in objects.items():
+                for o in objcs.values():
+                    o.save()
+
+        else:
+            pofiles = {}
+            for md, opts in self.get_models(app):
+                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
+
+                            k = getattr(obj, '%s_%s' % (fld, settings.LANGUAGE_CODE))
+                            if k is None: k = ''
+                            v = getattr(obj, locfld)
+                            if v is None: v = ''
+                            entry = polib.POEntry(
+                                msgid=k,
+                                msgstr=v,
+                                occurrences=[('%s/%s/%s' % (appname, md.__name__, locfld), obj.id)])
+                            po.append(entry)
 
-            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))
+            directory = options['directory']
+            for lng, po in pofiles.items():
+                try: os.makedirs(os.path.join(directory, lng))
+                except OSError: pass
+                print lng, options
+                po.save(os.path.join(directory, lng, '%s.po' % options['poname']))