author | Todd Larsen <tlarsen@google.com> |
Fri, 03 Oct 2008 22:17:05 +0000 | |
changeset 269 | 0f1acc4c3e1e |
parent 54 | 03e267d67478 |
child 323 | ff1a9aa48cfd |
permissions | -rw-r--r-- |
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03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
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parents:
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1 |
from django.contrib.admin.views.decorators import staff_member_required |
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from django.core import validators |
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from django import template, oldforms |
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from django.template import loader |
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from django.shortcuts import render_to_response |
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from django.contrib.sites.models import Site |
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from django.conf import settings |
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|
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def template_validator(request): |
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Todd Larsen <tlarsen@google.com>
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""" |
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Displays the template validator form, which finds and displays template |
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12 |
syntax errors. |
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""" |
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# get a dict of {site_id : settings_module} for the validator |
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settings_modules = {} |
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for mod in settings.ADMIN_FOR: |
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settings_module = __import__(mod, {}, {}, ['']) |
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settings_modules[settings_module.SITE_ID] = settings_module |
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manipulator = TemplateValidator(settings_modules) |
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new_data, errors = {}, {} |
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if request.POST: |
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new_data = request.POST.copy() |
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errors = manipulator.get_validation_errors(new_data) |
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if not errors: |
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request.user.message_set.create(message='The template is valid.') |
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return render_to_response('admin/template_validator.html', { |
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'title': 'Template validator', |
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'form': oldforms.FormWrapper(manipulator, new_data, errors), |
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}, context_instance=template.RequestContext(request)) |
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template_validator = staff_member_required(template_validator) |
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|
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class TemplateValidator(oldforms.Manipulator): |
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def __init__(self, settings_modules): |
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self.settings_modules = settings_modules |
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site_list = Site.objects.in_bulk(settings_modules.keys()).values() |
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self.fields = ( |
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oldforms.SelectField('site', is_required=True, choices=[(s.id, s.name) for s in site_list]), |
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Todd Larsen <tlarsen@google.com>
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oldforms.LargeTextField('template', is_required=True, rows=25, validator_list=[self.isValidTemplate]), |
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Todd Larsen <tlarsen@google.com>
parents:
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) |
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|
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def isValidTemplate(self, field_data, all_data): |
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# get the settings module |
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Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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# if the site isn't set, we don't raise an error since the site field will |
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try: |
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site_id = int(all_data.get('site', None)) |
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except (ValueError, TypeError): |
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return |
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settings_module = self.settings_modules.get(site_id, None) |
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49 |
if settings_module is None: |
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return |
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Todd Larsen <tlarsen@google.com>
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|
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# so that inheritance works in the site's context, register a new function |
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# for "extends" that uses the site's TEMPLATE_DIRS instead. |
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def new_do_extends(parser, token): |
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node = loader.do_extends(parser, token) |
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node.template_dirs = settings_module.TEMPLATE_DIRS |
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return node |
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register = template.Library() |
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register.tag('extends', new_do_extends) |
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template.builtins.append(register) |
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|
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# Now validate the template using the new template dirs |
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# making sure to reset the extends function in any case. |
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error = None |
03e267d67478
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try: |
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66 |
tmpl = loader.get_template_from_string(field_data) |
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tmpl.render(template.Context({})) |
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68 |
except template.TemplateSyntaxError, e: |
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error = e |
03e267d67478
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template.builtins.remove(register) |
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71 |
if error: |
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72 |
raise validators.ValidationError, e.args |