floof/lib/helpers.py

   1 # -*- coding: utf-8 -*-
   2 """Helper functions
   3
   4 Consists of functions to typically be used within templates, but also
   5 available to Controllers. This module is available to both as 'h'.
   6 """
   7 # Import helpers as desired, or define your own, ie:
   8 # from webhelpers.html.tags import checkbox, password
   9 from webhelpers import *
  10 from routes import url_for, redirect_to
  11
  12 # Scaffolding helper imports
  13 from webhelpers.html.tags import *
  14 from webhelpers.html import literal
  15 from webhelpers.pylonslib import Flash
  16 import sqlalchemy.types as types
  17 flash = Flash()
  18 # End of.
  19
  20 def get_object_or_404(model, **kw):
  21     from pylons.controllers.util import abort
  22     """
  23     Returns object, or raises a 404 Not Found is object is not in db.
  24     Uses elixir-specific `get_by()` convenience function (see elixir source:
  25     http://elixir.ematia.de/trac/browser/elixir/trunk/elixir/entity.py#L1082)
  26     Example: user = get_object_or_404(model.User, id = 1)
  27     """
  28     obj = model.get_by(**kw)
  29     if obj is None:
  30         abort(404)
  31     return obj
  32