Adding support for Unicode and non-ASCII-encoded bytestring output.

examples/unicode_output.mustache

@@ -0,0 +1 @@
+<p>Name: {{name}}</p>

examples/unicode_output.py

@@ -0,0 +1,9 @@
+# encoding: utf-8
+
+import pystache
+
+class UnicodeOutput(pystache.View):
+    template_path = 'examples'
+
+    def name(self):
+        return u'Henri Poincaré'

pystache/template.py

@@ -34,13 +34,16 @@ def __init__(self, template, context=None):
         self.context = context or {}
         self.compile_regexps()
 
-    def render(self, template=None, context=None):
+    def render(self, template=None, context=None, encoding=None):
         """Turns a Mustache template into something wonderful."""
         template = template or self.template
         context = context or self.context
 
         template = self.render_sections(template, context)
-        return self.render_tags(template, context)
+        result = self.render_tags(template, context)
+        if encoding is not None:
+            result = result.encode(encoding)
+        return result
 
     def compile_regexps(self):
         """Compiles our section and tag regular expressions."""
@@ -94,7 +97,7 @@ def render_tags(self, template, context):
     @modifier(None)
     def render_tag(self, tag_name, context):
         """Given a tag name and context, finds, escapes, and renders the tag."""
-        return cgi.escape(str(context.get(tag_name, '') or ''))
+        return cgi.escape(unicode(context.get(tag_name, '') or ''))
 
     @modifier('!')
     def render_comment(self, tag_name=None, context=None):

pystache/view.py

@@ -83,9 +83,9 @@ def get(self, attr, default):
         else:
             return attr
 
-    def render(self):
+    def render(self, encoding=None):
         template = self.load_template()
-        return Template(template, self).render()
+        return Template(template, self).render(encoding=encoding)
 
     def __str__(self):
         return self.render()

tests/test_examples.py

@@ -1,3 +1,5 @@
+# encoding: utf-8
+
 import unittest
 import pystache
 
@@ -7,6 +9,7 @@
 from examples.unescaped import Unescaped
 from examples.template_partial import TemplatePartial
 from examples.delimiters import Delimiters
+from examples.unicode_output import UnicodeOutput
 
 class TestView(unittest.TestCase):
     def test_comments(self):
@@ -18,6 +21,12 @@ def test_double_section(self):
 * second
 * third""")
 
+    def test_unicode_output(self):
+        self.assertEquals(UnicodeOutput().render(), u'<p>Name: Henri Poincaré</p>')
+
+    def test_encoded_output(self):
+        self.assertEquals(UnicodeOutput().render('utf8'), '<p>Name: Henri Poincar\xc3\xa9</p>')
+
     def test_escaped(self):
         self.assertEquals(Escaped().render(), "<h1>Bear &gt; Shark</h1>")
 

tests/test_pystache.py

@@ -1,3 +1,5 @@
+# encoding: utf-8
+
 import unittest
 import pystache
 
@@ -49,6 +51,12 @@ def test_non_strings(self):
         ret = pystache.render(template, { 'stats': stats })
         self.assertEquals(ret, """(123 & ['something'])(chris & 0.9)""")
 
+    def test_unicode(self):
+        template = 'Name: {{name}}; Age: {{age}}'
+        ret = pystache.render(template, { 'name': u'Henri Poincaré',
+            'age': 156 })
+        self.assertEquals(ret, u'Name: Henri Poincaré; Age: 156')
+
     def test_sections(self):
         template = """
 <ul>