Add a jinja2 custom filter for date formatting

1 files changed, 10 insertions, 0 deletions

diff --git a/distixlib/text_renderer.py b/distixlib/text_renderer.py
index d221fee..d02556b 100644
--- a/distixlib/text_renderer.py
+++ b/distixlib/text_renderer.py
@@ -16,6 +16,8 @@
 # =*= License: GPL-3+ =*=
 
 
+import time
+
 import jinja2
 
 
@@ -30,6 +32,7 @@ class TextRenderer(object):
 
     def render(self, template_name, variables):
         env = self._get_env()
+        self._add_custom_filters(env)
         template = env.get_template(template_name)
         rendered = template.render(**variables)
         return rendered.encode(self._encoding, errors='ignore')
@@ -37,3 +40,10 @@ class TextRenderer(object):
     def _get_env(self):
         loader = jinja2.PackageLoader('distixlib')
         return jinja2.Environment(loader=loader, trim_blocks=True)
+
+    def _add_custom_filters(self, env):
+        env.filters['date'] = self._date_filter
+
+    def _date_filter(self, value):  # pragma: no cover
+        tm = time.gmtime(value)
+        return time.strftime('%Y-%m-%d', tm)