Django Template Tag to Render Partial

render_partial.py

# Source: http://freeasinbeard.org/post/107743420/render-partial-in-django
# Author: Martin Häger

from django import template

register = template.Library()

class PartialNode(template.Node):
  def __init__(self, partial, params):
    self.partial = partial
    self.params = params
    
  def render(self, context):
    context_params = {}
    for k, v in self.params.items():
      try:
        context_params[k] = eval(v)
      except:
        context_params[k] = template.Variable(v).resolve(context)
      
    t = template.loader.get_template('partials/%s' % self.partial)
    return t.render(template.Context(context_params))

@register.tag
def render_partial(parser, token):
  parts = token.split_contents()
  params = {}
  try:
    tag_name, partial = parts[:2]
    if partial.startswith('"'): partial = partial[1:-1]
    for p in parts[2:]:
      k, v = p.split(':',1)
      params[k] = v
      
  except ValueError:
    raise template.TemplateSyntaxError, '%r tag requires at least a single argument and no ' \
                                         'spaces in name:value list' % parts[0]
    
  return PartialNode(partial, params)

Fix a bug in the original where if there was a colon in the value of one of the passed in variables, it would throw an error because the param split would split into more than two components.