Fix #1856 -- make tag listing pages per-language

Kwpolska · Kwpolska · commit ca6a18a479ff · 2015-07-04T12:16:25.000+02:00
Signed-off-by: Chris Warrick &lt;kwpolska@gmail.com&gt;
diff --git a/nikola/nikola.py b/nikola/nikola.py
@@ -273,6 +273,7 @@ def __init__(self, **config):
         self.posts_per_month = defaultdict(list)
         self.posts_per_tag = defaultdict(list)
         self.posts_per_category = defaultdict(list)
+        self.tags_per_language = defaultdict(list)
         self.post_per_file = {}
         self.timeline = []
         self.pages = []
@@ -1440,6 +1441,7 @@ def scan_posts(self, really=False, ignore_quit=False, quiet=False):
         self.posts_per_month = defaultdict(list)
         self.posts_per_tag = defaultdict(list)
         self.posts_per_category = defaultdict(list)
+        self.tags_per_language = defaultdict(list)
         self.category_hierarchy = {}
         self.post_per_file = {}
         self.timeline = []
@@ -1472,6 +1474,8 @@ def scan_posts(self, really=False, ignore_quit=False, quiet=False):
                     else:
                         slugged_tags.add(utils.slugify(tag, force=True))
                     self.posts_per_tag[tag].append(post)
+                for lang in post.translated_to:
+                    self.tags_per_language[lang].extend(post.tags_for_language(lang))
                 self._add_post_to_category(post, post.meta('category'))
 
             if post.is_post:
@@ -1497,6 +1501,8 @@ def scan_posts(self, really=False, ignore_quit=False, quiet=False):
                     quit = True
                 self.post_per_file[dest] = post
                 self.post_per_file[src_dest] = post
+                # deduplicate tags_per_language
+                self.tags_per_language[lang] = list(set(self.tags_per_language[lang]))
 
         # Sort everything.
 
diff --git a/nikola/plugins/task/tags.py b/nikola/plugins/task/tags.py
@@ -179,19 +179,19 @@ def write_tag_data(data):
 
     def _create_tags_page(self, kw, include_tags=True, include_categories=True):
         """a global "all your tags/categories" page for each language"""
-        tags = natsort.natsorted([tag for tag in self.site.posts_per_tag.keys()
-                                  if len(self.site.posts_per_tag[tag]) >= kw["taglist_minimum_post_count"]],
-                                 alg=natsort.ns.F | natsort.ns.IC)
         categories = [cat.category_name for cat in self.site.category_hierarchy]
-        has_tags = (tags != []) and include_tags
         has_categories = (categories != []) and include_categories
         template_name = "tags.tmpl"
         kw = kw.copy()
-        if include_tags:
-            kw['tags'] = tags
         if include_categories:
             kw['categories'] = categories
         for lang in kw["translations"]:
+            tags = natsort.natsorted([tag for tag in self.site.tags_per_language[lang]
+                                    if len(self.site.posts_per_tag[tag]) >= kw["taglist_minimum_post_count"]],
+                                    alg=natsort.ns.F | natsort.ns.IC)
+            has_tags = (tags != []) and include_tags
+            if include_tags:
+                kw['tags'] = tags
             output_name = os.path.join(
                 kw['output_folder'], self.site.path('tag_index' if has_tags else 'category_index', None, lang))
             output_name = output_name
diff --git a/nikola/post.py b/nikola/post.py
@@ -261,16 +261,19 @@ def alltags(self):
             tags.extend(self._tags[l])
         return list(set(tags))
 
-    @property
-    def tags(self):
-        lang = nikola.utils.LocaleBorg().current_lang
+    def tags_for_language(self, lang):
         if lang in self._tags:
             return self._tags[lang]
         elif self.default_lang in self._tags:
             return self._tags[self.default_lang]
         else:
             return []
 
+    @property
+    def tags(self):
+        lang = nikola.utils.LocaleBorg().current_lang
+        return self.tags_for_language(lang)
+
     @property
     def prev_post(self):
         lang = nikola.utils.LocaleBorg().current_lang
