Mercurial > kallithea
view pylons_app/controllers/error.py @ 171:52bbeb1e813f
Added universal cache invalidator for two cached functions.
added invalidation when repository was added or deleted, and another invalidation when there was a mercurial command involved.
author | Marcin Kuzminski <marcin@python-works.com> |
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date | Fri, 21 May 2010 02:44:40 +0200 |
parents | 2811259dc12d |
children | b68b2246e5a6 |
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import logging import cgi import os import paste.fileapp from pylons import tmpl_context as c, app_globals as g, request, config from pylons.controllers.util import forward from pylons.i18n.translation import _ from pylons_app.lib.base import BaseController, render from pylons.middleware import media_path from pylons_app.lib.utils import check_repo log = logging.getLogger(__name__) class ErrorController(BaseController): """ Generates error documents as and when they are required. The ErrorDocuments middleware forwards to ErrorController when error related status codes are returned from the application. This behaviour can be altered by changing the parameters to the ErrorDocuments middleware in your config/middleware.py file. """ # def __before__(self): c.repos_prefix = config['repos_name'] c.repo_name = request.environ['pylons.original_request']\ .environ.get('PATH_INFO').split('/')[1] def document(self): resp = request.environ.get('pylons.original_response') log.debug(resp.status) e = request.environ c.serv_p = r'%(protocol)s://%(host)s/' % { 'protocol': e.get('wsgi.url_scheme'), 'host':e.get('HTTP_HOST'), } if resp.status_int == 404: if check_repo(c.repo_name, g.base_path): return render('/errors/error_404.html') c.error_message = cgi.escape(request.GET.get('code', str(resp.status))) c.error_explanation = self.get_error_explanation(resp.status_int) #redirect to when error with given seconds c.redirect_time = 0 c.redirect_module = _('Home page')# name to what your going to be redirected c.url_redirect = "/" return render('/errors/error_document.html') def img(self, id): """Serve Pylons' stock images""" return self._serve_file(os.path.join(media_path, 'img', id)) def style(self, id): """Serve Pylons' stock stylesheets""" return self._serve_file(os.path.join(media_path, 'style', id)) def _serve_file(self, path): """Call Paste's FileApp (a WSGI application) to serve the file at the specified path """ fapp = paste.fileapp.FileApp(path) return fapp(request.environ, self.start_response) def get_error_explanation(self, code): ''' get the error explanations of int codes [400, 401, 403, 404, 500]''' try: code = int(code) except: code = 500 if code == 400: return _('The request could not be understood by the server due to malformed syntax.') if code == 401: return _('Unathorized access to resource') if code == 403: return _("You don't have permission to view this page") if code == 404: return _('The resource could not be found') if code == 500: return _('The server encountered an unexpected condition which prevented it from fulfilling the request.')