Parse language from path for posts

pelican_theme_teckids/pelicanconf.py

@@ -13,7 +13,8 @@ ARTICLE_PATHS = ["posts"]
 PAGE_PATHS = ["pages"]
 STATIC_PATHS = ["static", "images"]
 PATH = "content"
-PATH_METADATA = "pages/(?P<lang>[^/]*)"
+FILENAME_METADATA = r'(?P<date>\d{4}-\d{2}-\d{2})_.*'
+PATH_METADATA = r"(posts|pages)/(?P<lang>[^/]*)"
 OUTPUT_PATH = "public"
 SLUGIFY_SOURCE = "basename"