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#!/usr/bin/env python
import operator, os, pickle, sys
import cherrypy
from formencode import Invalid
from genshi.input import HTML
from genshi.filters import HTMLFormFiller, HTMLSanitizer
from geddit.form import LinkForm, CommentForm
from geddit.lib import ajax, 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('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 as e:
errors = e.unpack_errors()
else:
errors = {}
return template.render(errors=errors) | HTMLFormFiller(data=data)
@cherrypy.expose
@template.output('info.html')
def info(self, id):
link = self.data.get(id)
if not link:
raise cherrypy.NotFound()
return template.render(link=link)
@cherrypy.expose
@template.output('comment.html')
def comment(self, id, cancel=False, **data):
link = self.data.get(id)
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)
markup = HTML(data['content']) | HTMLSanitizer()
data['content'] = markup.render('xhtml')
comment = link.add_comment(**data)
if not ajax.is_xhr():
raise cherrypy.HTTPRedirect('/info/%s' % link.id)
return template.render('_comment.html', comment=comment,
num=len(link.comments))
except Invalid as e:
errors = e.unpack_errors()
else:
errors = {}
if ajax.is_xhr():
stream = template.render('_form.html', link=link, errors=errors)
else:
stream = template.render(link=link, comment=None, errors=errors)
return stream | HTMLFormFiller(data=data)
@cherrypy.expose
@template.output('index.xml', method='xml')
def feed(self, id=None):
if id:
link = self.data.get(id)
if not link:
raise cherrypy.NotFound()
return template.render('info.xml', link=link)
else:
links = sorted(self.data.values(), key=operator.attrgetter('time'))
return template.render(links=links)
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()
if hasattr(cherrypy.engine, 'subscribe'): # CherryPy >= 3.1
cherrypy.engine.subscribe('stop', _save_data)
else:
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({
'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])
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