CB-448: Implemented new footer design

critiquebrainz/expand.py

@@ -0,0 +1,47 @@
+# -*- coding: utf-8 -*-
+import html
+import re
+
+
+def encode_entities(string, quote=True):
+    return html.escape(string, quote).encode('ascii', 'xmlcharrefreplace').decode('utf8')
+
+
+def expand(string, args, tag='a', default_attribute='href'):
+
+    def make_link(match):
+        var = match.group(1)
+        text = match.group(2)
+        if text in args.keys():
+            final_text = args[text]
+        else:
+            final_text = text
+
+        if isinstance(args[var], dict):
+            d = args[var]
+        else:
+            if default_attribute:
+                d = {default_attribute: args[var]}
+            else:
+                d = {}
+        attribs = ' '.join(["%s=\"%s\"" % (k, encode_entities(d[k])) for k
+                            in sorted(d.keys())])
+        if attribs:
+            attribs = ' ' + attribs
+        return '<%s%s>%s</%s>' % (tag, attribs, final_text, tag)
+
+    def simple_expr(match):
+        var = match.group(1)
+        if var in args.keys():
+            return args[var]
+        return '{' + var + '}'
+
+    r = '|'.join([re.escape(k) for k in args.keys()])
+
+    r1 = re.compile('\{(' + r + ')\|(.*?)\}', re.UNICODE)
+    r2 = re.compile('\{(' + r + ')\}', re.UNICODE)
+
+    string = r1.sub(make_link, string)
+    string = r2.sub(simple_expr, string)
+
+    return string

critiquebrainz/frontend/__init__.py

@@ -18,6 +18,10 @@ def create_app(debug=None, config_path=None):
         use_flask_uuid=True,
     )
 
+    # Template utilities
+    from critiquebrainz.expand import expand
+    app.jinja_env.filters['expand'] = expand
+
     # Configuration files
     app.config.from_pyfile(os.path.join(
         os.path.dirname(os.path.realpath(__file__)),
@@ -76,9 +80,9 @@ def create_app(debug=None, config_path=None):
     add_robots(app)
 
     # BookBrainz Database
-    import critiquebrainz.frontend.external.bookbrainz_db as bookbrainz_db 
+    import critiquebrainz.frontend.external.bookbrainz_db as bookbrainz_db
     bookbrainz_db.init_db_engine(app.config.get("BB_DATABASE_URI"))
-    
+
     # MusicBrainz Database
     from brainzutils import musicbrainz_db
     musicbrainz_db.init_db_engine(app.config.get("MB_DATABASE_URI"))