Internationalization

prosopopee/prosopopee.py

@@ -4,6 +4,7 @@
 import sys
 import yaml
 import shutil
+import collections
 
 from jinja2 import Environment, FileSystemLoader
 
@@ -20,6 +21,78 @@
     }
 }
 
+class ListTranslateViewIterator(object):
+  def __init__(self, lang, l):
+    self.lang = lang
+    self.it = iter(l)
+
+  def next(self):
+    return _(self.lang, self.it.next())
+
+  def __iter__(self):
+    return self
+
+class ListTranslateView(collections.Sequence):
+  def __init__(self, lang, l):
+    self.lang=lang
+    self.proxified_list = l
+
+  def __len__(self):
+    return len(self.proxified_list)
+
+  def __getitem__(self, i):
+    return _(self.lang, self.proxified_list[i])
+
+  def __iter__(self):
+    return ListTranslateViewIterator(self.lang, self.proxified_list)
+
+  def __str__(self):
+    # TODO: fails with unicode input, but we don't use it...
+    return "[%s]" % (", ".join(["%s" % x for x in self]))
+
+class DictTranslateViewIterator(object):
+  def __init__(self, lang, d):
+    self.lang = lang
+    self.it = iter(d)
+
+  def next(self):
+    return _(self.lang, self.it.next())
+
+  def __iter__(self):
+    return self
+
+class DictTranslateView(collections.Mapping):
+  def __init__(self, lang, d):
+    self.lang=lang
+    self.proxified_dict = d
+
+  def __len__(self):
+    return len(self.proxified_dict)
+
+  def __getitem__(self, key):
+    if isinstance(self.proxified_dict[key], dict) and self.proxified_dict[key].has_key(self.lang):
+      return self.proxified_dict[key][self.lang]
+    else:
+      return _(self.lang, self.proxified_dict[key])
+
+  def __iter__(self):
+    return DictTranslateViewIterator(self.lang, self.proxified_dict)
+
+  def __str__(self):
+    # TODO: fails with unicode input, but we don't use it...
+    return "{%s}" % (", ".join(["'%s': '%s'" % (k,v) for (k,v) in self.iteritems()]))
+
+def _(lang, o):
+    # TODO: should support iterators too
+    # TODO: testing for isinstance(o, collections.Mapping) creates an infinite recursion loop
+    t = type(o)
+    if isinstance(o, dict):
+      return DictTranslateView(lang, o)
+    elif isinstance(o, list):
+      return ListTranslateView(lang, o)
+    else:
+      return o
+
 class Image(object):
     base_dir = ""
     target_dir = ""
@@ -101,6 +174,9 @@ def main():
     if settings.get("settings", {}).get("gm"):
         SETTINGS["gm"].update(settings["settings"]["gm"])
 
+    langs = settings.get("multilingual", [None])
+    main_lang = langs[0]
+
     front_page_galleries_cover = []
 
     dirs = filter(lambda x: x not in (".", "..") and os.path.isdir(x) and os.path.exists(os.path.join(os.getcwd(), x, "settings.yaml")), os.listdir(os.getcwd()))
@@ -157,16 +233,19 @@ def main():
         Image.target_dir = os.path.join(os.getcwd(), "build", gallery)
 
         template_to_render = page_template if gallery_settings.get("static") else gallery_index_template
-        open(os.path.join("build", gallery, "index.html"), "w").write(template_to_render.render(settings=settings, gallery=gallery_settings, Image=Image).encode("Utf-8"))
+        for lang in langs:
+            filename = "index.%s.html" % lang if lang and lang != main_lang else "index.html"
+            open(os.path.join("build", gallery, filename), "w").write(template_to_render.render(settings=_(lang,settings), gallery=_(lang,gallery_settings), Image=Image).encode("Utf-8"))
 
-    front_page_galleries_cover = reversed(sorted(front_page_galleries_cover, key=lambda x: x["date"]))
+    front_page_galleries_cover = list(reversed(sorted(front_page_galleries_cover, key=lambda x: x["date"])))
 
     # this should probably be a factory
     Image.base_dir = os.getcwd()
     Image.target_dir = os.path.join(os.getcwd(), "build")
 
-    open(os.path.join("build", "index.html"), "w").write(index_template.render(settings=settings, galleries=front_page_galleries_cover, Image=Image).encode("Utf-8"))
-
+    for lang in langs:
+        filename = "index.%s.html" % lang if lang and lang != main_lang else "index.html"
+        open(os.path.join("build", filename), "w").write(index_template.render(settings=_(lang,settings), galleries=_(lang,front_page_galleries_cover), Image=Image).encode("Utf-8"))
 
 if __name__ == '__main__':
     main()

prosopopee/templates/locales.html

@@ -0,0 +1,25 @@
+  {% if settings.multilingual  -%}
+  <script type="text/javascript" charset="utf-8">
+    function contains(a, obj) {
+      for (var i = 0; i < a.length; i++) {
+          if (a[i] === obj) {
+              return true;
+          }
+      }
+      return false;
+    }
+
+    if (window.navigator && window.navigator.language) {
+      var locale = window.navigator.language.substr(0, 2);
+      var availableLocales = [ "{{ settings.multilingual | join('", "') }}" ];
+      var pagename = location.href.split("/").slice(-1);
+      var targetpagename = "index.html";
+      if (locale != availableLocales[0] && contains(availableLocales, locale)) {
+        targetpagename = "index." + locale + ".html";
+      }
+      if (pagename != targetpagename) {
+        document.location.href = targetpagename;
+      }
+    }
+  </script>
+  {% endif -%}

prosopopee/themes/exposure/templates/base.html

@@ -8,6 +8,7 @@
   <!--Let browser know website is optimized for mobile-->
   <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
   <title>{{ settings.title }}</title>
+  {% include "locales.html" %}
 </head>
 
 <body>

prosopopee/themes/exposure/templates/gallery-index.html

@@ -11,6 +11,7 @@
   <!--Let browser know website is optimized for mobile-->
   <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
   <title>{{ gallery.title }} · {{ settings.title }}</title>
+  {% include "locales.html" %}
 </head>
 
 <body>