Mercurial > genshi > mirror
view examples/tutorial/geddit/controller.py @ 620:725488d315f3 trunk
GenshiTutorial: remove obsolete template.
author | cmlenz |
---|---|
date | Thu, 30 Aug 2007 17:12:45 +0000 |
parents | 756e7418e10c |
children | 6780f1b1b20d |
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#!/usr/bin/env python import operator import os import pickle import sys import cherrypy from formencode import Invalid from genshi.filters import HTMLFormFiller from geddit.form import LinkForm, CommentForm from geddit.lib import template from geddit.model import Link, Comment class Root(object): def __init__(self, data): self.data = data @cherrypy.expose @template.output('index.html') def index(self): links = sorted(self.data.values(), key=operator.attrgetter('time')) return template.render(links=links) @cherrypy.expose @template.output('info.html') def info(self, code): link = self.data.get(code) if not link: raise cherrypy.NotFound() return template.render(link=link) @cherrypy.expose @template.output('submit.html') def submit(self, cancel=False, **data): if cherrypy.request.method == 'POST': if cancel: raise cherrypy.HTTPRedirect('/') form = LinkForm() try: data = form.to_python(data) link = Link(**data) self.data[link.id] = link raise cherrypy.HTTPRedirect('/') except Invalid, e: errors = e.unpack_errors() else: errors = {} return template.render(errors=errors) | HTMLFormFiller(data=data) @cherrypy.expose @template.output('comment.html') def comment(self, code, cancel=False, **data): link = self.data.get(code) if not link: raise cherrypy.NotFound() if cherrypy.request.method == 'POST': if cancel: raise cherrypy.HTTPRedirect('/info/%s' % link.id) form = CommentForm() try: data = form.to_python(data) comment = link.add_comment(**data) raise cherrypy.HTTPRedirect('/info/%s' % link.id) except Invalid, e: errors = e.unpack_errors() else: errors = {} return template.render(link=link, comment=None, errors=errors) | HTMLFormFiller(data=data) def main(filename): # load data from the pickle file, or initialize it to an empty list if os.path.exists(filename): fileobj = open(filename, 'rb') try: data = pickle.load(fileobj) finally: fileobj.close() else: data = {} def _save_data(): # save data back to the pickle file fileobj = open(filename, 'wb') try: pickle.dump(data, fileobj) finally: fileobj.close() cherrypy.engine.on_stop_engine_list.append(_save_data) # Some global configuration; note that this could be moved into a # configuration file cherrypy.config.update({ 'request.throw_errors': True, 'tools.encode.on': True, 'tools.encode.encoding': 'utf-8', 'tools.decode.on': True, 'tools.trailing_slash.on': True, 'tools.staticdir.root': os.path.abspath(os.path.dirname(__file__)), }) cherrypy.quickstart(Root(data), '/', { '/media': { 'tools.staticdir.on': True, 'tools.staticdir.dir': 'static' } }) if __name__ == '__main__': import formencode formencode.api.set_stdtranslation(languages=['en']) main(sys.argv[1])