Issue #102: Added urlencode and urldecode filter.

hyde/ext/templates/jinja.py

@@ -7,6 +7,7 @@ from datetime import datetime, date
 import os
 import re
 import itertools
+from urllib import quote, unquote
 
 from hyde.fs import File, Folder
 from hyde.model import Expando
@@ -55,6 +56,13 @@ def full_url(context, path):
     """
     return context['site'].full_url(path)
 
+@contextfilter
+def urlencode(ctx, url):
+    return quote(url.encode('utf8'))
+
+@contextfilter
+def urldecode(ctx, url):
+    return unquote(url).decode('utf8')
 
 @contextfilter
 def date_format(ctx, dt, fmt=None):
@@ -654,6 +662,8 @@ class Jinja2Template(Template):
         self.env.globals['full_url'] = full_url
         self.env.globals['engine'] = engine
         self.env.globals['deps'] = {}
+        self.env.filters['urlencode'] = urlencode
+        self.env.filters['urldecode'] = urldecode
         self.env.filters['asciidoc'] = asciidoc
         self.env.filters['markdown'] = markdown
         self.env.filters['restructuredtext'] = restructuredtext

hyde/tests/test_jinja2template.py

@@ -689,5 +689,30 @@ item_list:
         html = t.render(text, {}).strip()
         assert html.strip() == expected.strip()
 
+    def test_urlencode_filter(self):
+        text= u"""
+<a href="{{ 'фотография.jpg'|urlencode }}">фотография</a>
+<a href="{{ 'http://localhost:8080/"abc.jpg'|urlencode }}">quoted</a>
+"""
+        expected = u"""
+<a href="%D1%84%D0%BE%D1%82%D0%BE%D0%B3%D1%80%D0%B0%D1%84%D0%B8%D1%8F.jpg">фотография</a>
+<a href="http%3A//localhost%3A8080/%22abc.jpg">quoted</a>
+"""
+        t = Jinja2Template(JINJA2.path)
+        t.configure(None)
+        html = t.render(text, {}).strip()
+        assert html.strip() == expected.strip()
 
+    def test_urldecode_filter(self):
+        text= u"""
+<a href="{{ 'фотография.jpg'|urlencode }}">{{ "%D1%84%D0%BE%D1%82%D0%BE%D0%B3%D1%80%D0%B0%D1%84%D0%B8%D1%8F.jpg"|urldecode }}</a>
+"""
+        expected = u"""
+<a href="%D1%84%D0%BE%D1%82%D0%BE%D0%B3%D1%80%D0%B0%D1%84%D0%B8%D1%8F.jpg">фотография.jpg</a>
+"""
+        t = Jinja2Template(JINJA2.path)
+        t.configure(None)
+        html = t.render(text, {}).strip()
+        print html
+        assert html.strip() == expected.strip()