TMDB3.py: Sort coverarts by system language or 'en', if none found fo…

…r given language

The grabber script tmdb3.py  already sorts the posters
by the given language, but if no poster of given language
was found, we sort by system language and then by language "en".

Refs #180

mythtv/programs/scripts/metadata/Movie/tmdb3.py

@@ -10,8 +10,8 @@
 #               http://help.themoviedb.org/kb/api/about-3
 #-----------------------
 __title__ = "TheMovieDB.org V3"
-__author__ = "Raymond Wagner"
-__version__ = "0.3.7"
+__author__ = "Raymond Wagner, Roland Ernst"
+__version__ = "0.3.8"
 # 0.1.0 Initial version
 # 0.2.0 Add language support, move cache to home directory
 # 0.3.0 Enable version detection to allow use in MythTV
@@ -27,6 +27,7 @@
 # 0.3.7 Add handling for TMDB site returning insufficient results from a
 #       query
 # 0.3.7.a : Added compatibiliy to python3, tested with python 3.6 and 2.7
+# 0.3.8 Sort posters by system language or 'en', if not found for given language
 
 from optparse import OptionParser
 import sys
@@ -45,11 +46,13 @@ def timeouthandler(signal, frame):
 
 def buildSingle(inetref, opts):
     from MythTV.tmdb3.tmdb_exceptions import TMDBRequestInvalid
-    from MythTV.tmdb3 import Movie
+    from MythTV.tmdb3 import Movie, get_locale
     from MythTV import VideoMetadata
     from lxml import etree
 
+    import locale as py_locale
     import re
+
     if re.match('^0[0-9]{6}$', inetref):
         movie = Movie.fromIMDB(inetref)
     else:
@@ -120,11 +123,42 @@ def buildSingle(inetref, opts):
                         'thumb':backdrop.geturl(backdrop.sizes()[0]),
                         'height':str(backdrop.height),
                         'width':str(backdrop.width)})
-    for poster in movie.posters:
+
+    # tmdb already sorts the posters by language
+    # if no poster of given language was found,
+    # try to sort by system language and then by language "en"
+    system_language = py_locale.getdefaultlocale()[0].split("_")[0]
+    locale_language = get_locale().language
+    if opts.debug:
+        print("system_language : ", system_language)
+        print("locale_language : ", locale_language)
+
+    loc_posters = movie.posters
+    if loc_posters[0].language != locale_language \
+                    and locale_language != system_language:
+        if opts.debug:
+            print("1: No poster found for language '%s', trying to sort posters by '%s' :"
+                    %(locale_language, system_language))
+        loc_posters = sorted(movie.posters,
+                    key = lambda x: x.language==system_language, reverse = True)
+
+    if loc_posters[0].language != system_language \
+                    and loc_posters[0].language != locale_language:
+        if opts.debug:
+            print("2: No poster found for language '%s', trying to sort posters by '%s' :"
+                    %(system_language, "en"))
+        loc_posters = sorted(movie.posters,
+                    key = lambda x: x.language=="en", reverse = True)
+
+    for poster in loc_posters:
+        if opts.debug:
+            print("Poster : ", poster.language, " | ", poster.userrating,
+                    "\t | ", poster.geturl())
         m.images.append({'type':'coverart', 'url':poster.geturl(),
                         'thumb':poster.geturl(poster.sizes()[0]),
                         'height':str(poster.height),
                         'width':str(poster.width)})
+
     tree.append(m.toXML())
     print_etree(etree.tostring(tree, encoding='UTF-8', pretty_print=True,
                                     xml_declaration=True))