Mercurial > genshi > mirror

annotate examples/tutorial/geddit/controller.py @ 1043:a21009a2bc3a trunk

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Return correct value and properly namespaced attribute name when matching namespaced attributes with XPath expressions (fixes #572; thanks to Olemis Lang <olemis+trac@gmail.com> for bug report and suggestion for fix).
author hodgestar
date Thu, 20 Mar 2014 12:58:48 +0000
parents fdebe71666ce
children
rev   line source
611
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
1 #!/usr/bin/env python
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
2
628
9822dfff0fd5 GenshiTutorial: tweaks to sync with code on wiki page.
cmlenz
parents: 627
diff changeset
3 import operator, os, pickle, sys
611
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
4
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
5 import cherrypy
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
6 from formencode import Invalid
631
e990fa05d80b GenshiTutorial: implement the XSS section.
cmlenz
parents: 628
diff changeset
7 from genshi.input import HTML
e990fa05d80b GenshiTutorial: implement the XSS section.
cmlenz
parents: 628
diff changeset
8 from genshi.filters import HTMLFormFiller, HTMLSanitizer
611
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
9
619
756e7418e10c GenshiTutorial: various updates to sync with wiki page.
cmlenz
parents: 618
diff changeset
10 from geddit.form import LinkForm, CommentForm
625
abad7c2ebe15 GenshiTutorial: implemented AJAX commenting.
cmlenz
parents: 622
diff changeset
11 from geddit.lib import ajax, template
619
756e7418e10c GenshiTutorial: various updates to sync with wiki page.
cmlenz
parents: 618
diff changeset
12 from geddit.model import Link, Comment
611
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
13
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
14
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
15 class Root(object):
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
16
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
17 def __init__(self, data):
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
18 self.data = data
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
19
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
20 @cherrypy.expose
615
06165fee45ab GenshiTutorial: make URLs dynamic so that the app could theoretically be mounted on some other SCRIPT_NAME.
cmlenz
parents: 613
diff changeset
21 @template.output('index.html')
611
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
22 def index(self):
619
756e7418e10c GenshiTutorial: various updates to sync with wiki page.
cmlenz
parents: 618
diff changeset
23 links = sorted(self.data.values(), key=operator.attrgetter('time'))
756e7418e10c GenshiTutorial: various updates to sync with wiki page.
cmlenz
parents: 618
diff changeset
24 return template.render(links=links)
611
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
25
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
26 @cherrypy.expose
615
06165fee45ab GenshiTutorial: make URLs dynamic so that the app could theoretically be mounted on some other SCRIPT_NAME.
cmlenz
parents: 613
diff changeset
27 @template.output('submit.html')
611
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
28 def submit(self, cancel=False, **data):
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
29 if cherrypy.request.method == 'POST':
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
30 if cancel:
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
31 raise cherrypy.HTTPRedirect('/')
619
756e7418e10c GenshiTutorial: various updates to sync with wiki page.
cmlenz
parents: 618
diff changeset
32 form = LinkForm()
611
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
33 try:
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
34 data = form.to_python(data)
619
756e7418e10c GenshiTutorial: various updates to sync with wiki page.
cmlenz
parents: 618
diff changeset
35 link = Link(**data)
756e7418e10c GenshiTutorial: various updates to sync with wiki page.
cmlenz
parents: 618
diff changeset
36 self.data[link.id] = link
611
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
37 raise cherrypy.HTTPRedirect('/')
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
38 except Invalid, e:
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
39 errors = e.unpack_errors()
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
40 else:
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
41 errors = {}
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
42
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
43 return template.render(errors=errors) | HTMLFormFiller(data=data)
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
44
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
45 @cherrypy.expose
627
3ed77fbfafa8 GenshiTutorial: minor tweaks to sync with Wiki page.
cmlenz
parents: 625
diff changeset
46 @template.output('info.html')
3ed77fbfafa8 GenshiTutorial: minor tweaks to sync with Wiki page.
cmlenz
parents: 625
diff changeset
47 def info(self, id):
3ed77fbfafa8 GenshiTutorial: minor tweaks to sync with Wiki page.
cmlenz
parents: 625
diff changeset
48 link = self.data.get(id)
3ed77fbfafa8 GenshiTutorial: minor tweaks to sync with Wiki page.
cmlenz
parents: 625
diff changeset
49 if not link:
3ed77fbfafa8 GenshiTutorial: minor tweaks to sync with Wiki page.
cmlenz
parents: 625
diff changeset
50 raise cherrypy.NotFound()
3ed77fbfafa8 GenshiTutorial: minor tweaks to sync with Wiki page.
cmlenz
parents: 625
diff changeset
51 return template.render(link=link)
3ed77fbfafa8 GenshiTutorial: minor tweaks to sync with Wiki page.
cmlenz
parents: 625
diff changeset
52
3ed77fbfafa8 GenshiTutorial: minor tweaks to sync with Wiki page.
cmlenz
parents: 625
diff changeset
53 @cherrypy.expose
615
06165fee45ab GenshiTutorial: make URLs dynamic so that the app could theoretically be mounted on some other SCRIPT_NAME.
cmlenz
parents: 613
diff changeset
54 @template.output('comment.html')
622
6780f1b1b20d GenshiTutorial: add Atom feeds.
cmlenz
parents: 619
diff changeset
55 def comment(self, id, cancel=False, **data):
6780f1b1b20d GenshiTutorial: add Atom feeds.
cmlenz
parents: 619
diff changeset
56 link = self.data.get(id)
619
756e7418e10c GenshiTutorial: various updates to sync with wiki page.
cmlenz
parents: 618
diff changeset
57 if not link:
611
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
58 raise cherrypy.NotFound()
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
59 if cherrypy.request.method == 'POST':
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
60 if cancel:
619
756e7418e10c GenshiTutorial: various updates to sync with wiki page.
cmlenz
parents: 618
diff changeset
61 raise cherrypy.HTTPRedirect('/info/%s' % link.id)
611
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
62 form = CommentForm()
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
63 try:
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
64 data = form.to_python(data)
631
e990fa05d80b GenshiTutorial: implement the XSS section.
cmlenz
parents: 628
diff changeset
65 markup = HTML(data['content']) | HTMLSanitizer()
e990fa05d80b GenshiTutorial: implement the XSS section.
cmlenz
parents: 628
diff changeset
66 data['content'] = markup.render('xhtml')
619
756e7418e10c GenshiTutorial: various updates to sync with wiki page.
cmlenz
parents: 618
diff changeset
67 comment = link.add_comment(**data)
625
abad7c2ebe15 GenshiTutorial: implemented AJAX commenting.
cmlenz
parents: 622
diff changeset
68 if not ajax.is_xhr():
abad7c2ebe15 GenshiTutorial: implemented AJAX commenting.
cmlenz
parents: 622
diff changeset
69 raise cherrypy.HTTPRedirect('/info/%s' % link.id)
abad7c2ebe15 GenshiTutorial: implemented AJAX commenting.
cmlenz
parents: 622
diff changeset
70 return template.render('_comment.html', comment=comment,
abad7c2ebe15 GenshiTutorial: implemented AJAX commenting.
cmlenz
parents: 622
diff changeset
71 num=len(link.comments))
611
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
72 except Invalid, e:
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
73 errors = e.unpack_errors()
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
74 else:
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
75 errors = {}
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
76
625
abad7c2ebe15 GenshiTutorial: implemented AJAX commenting.
cmlenz
parents: 622
diff changeset
77 if ajax.is_xhr():
abad7c2ebe15 GenshiTutorial: implemented AJAX commenting.
cmlenz
parents: 622
diff changeset
78 stream = template.render('_form.html', link=link, errors=errors)
abad7c2ebe15 GenshiTutorial: implemented AJAX commenting.
cmlenz
parents: 622
diff changeset
79 else:
abad7c2ebe15 GenshiTutorial: implemented AJAX commenting.
cmlenz
parents: 622
diff changeset
80 stream = template.render(link=link, comment=None, errors=errors)
abad7c2ebe15 GenshiTutorial: implemented AJAX commenting.
cmlenz
parents: 622
diff changeset
81 return stream | HTMLFormFiller(data=data)
611
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
82
628
9822dfff0fd5 GenshiTutorial: tweaks to sync with code on wiki page.
cmlenz
parents: 627
diff changeset
83 @cherrypy.expose
9822dfff0fd5 GenshiTutorial: tweaks to sync with code on wiki page.
cmlenz
parents: 627
diff changeset
84 @template.output('index.xml', method='xml')
9822dfff0fd5 GenshiTutorial: tweaks to sync with code on wiki page.
cmlenz
parents: 627
diff changeset
85 def feed(self, id=None):
9822dfff0fd5 GenshiTutorial: tweaks to sync with code on wiki page.
cmlenz
parents: 627
diff changeset
86 if id:
9822dfff0fd5 GenshiTutorial: tweaks to sync with code on wiki page.
cmlenz
parents: 627
diff changeset
87 link = self.data.get(id)
9822dfff0fd5 GenshiTutorial: tweaks to sync with code on wiki page.
cmlenz
parents: 627
diff changeset
88 if not link:
9822dfff0fd5 GenshiTutorial: tweaks to sync with code on wiki page.
cmlenz
parents: 627
diff changeset
89 raise cherrypy.NotFound()
9822dfff0fd5 GenshiTutorial: tweaks to sync with code on wiki page.
cmlenz
parents: 627
diff changeset
90 return template.render('info.xml', link=link)
9822dfff0fd5 GenshiTutorial: tweaks to sync with code on wiki page.
cmlenz
parents: 627
diff changeset
91 else:
9822dfff0fd5 GenshiTutorial: tweaks to sync with code on wiki page.
cmlenz
parents: 627
diff changeset
92 links = sorted(self.data.values(), key=operator.attrgetter('time'))
9822dfff0fd5 GenshiTutorial: tweaks to sync with code on wiki page.
cmlenz
parents: 627
diff changeset
93 return template.render(links=links)
9822dfff0fd5 GenshiTutorial: tweaks to sync with code on wiki page.
cmlenz
parents: 627
diff changeset
94
611
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
95
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
96 def main(filename):
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
97 # load data from the pickle file, or initialize it to an empty list
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
98 if os.path.exists(filename):
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
99 fileobj = open(filename, 'rb')
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
100 try:
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
101 data = pickle.load(fileobj)
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
102 finally:
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
103 fileobj.close()
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
104 else:
618
b6706f9346ac Simplify the tutorial project: comments are now flat, not hierarchical.
cmlenz
parents: 616
diff changeset
105 data = {}
611
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
106
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
107 def _save_data():
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
108 # save data back to the pickle file
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
109 fileobj = open(filename, 'wb')
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
110 try:
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
111 pickle.dump(data, fileobj)
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
112 finally:
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
113 fileobj.close()
664
fdebe71666ce Fix compatibility of tutorial code with CherryPy 3.1. Closes #159.
cmlenz
parents: 632
diff changeset
114 if hasattr(cherrypy.engine, 'subscribe'): # CherryPy >= 3.1
fdebe71666ce Fix compatibility of tutorial code with CherryPy 3.1. Closes #159.
cmlenz
parents: 632
diff changeset
115 cherrypy.engine.subscribe('stop', _save_data)
fdebe71666ce Fix compatibility of tutorial code with CherryPy 3.1. Closes #159.
cmlenz
parents: 632
diff changeset
116 else:
fdebe71666ce Fix compatibility of tutorial code with CherryPy 3.1. Closes #159.
cmlenz
parents: 632
diff changeset
117 cherrypy.engine.on_stop_engine_list.append(_save_data)
611
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
118
628
9822dfff0fd5 GenshiTutorial: tweaks to sync with code on wiki page.
cmlenz
parents: 627
diff changeset
119 # Some global configuration; note that this could be moved into a
619
756e7418e10c GenshiTutorial: various updates to sync with wiki page.
cmlenz
parents: 618
diff changeset
120 # configuration file
611
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
121 cherrypy.config.update({
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
122 'tools.encode.on': True, 'tools.encode.encoding': 'utf-8',
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
123 'tools.decode.on': True,
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
124 'tools.trailing_slash.on': True,
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
125 'tools.staticdir.root': os.path.abspath(os.path.dirname(__file__)),
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
126 })
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
127
619
756e7418e10c GenshiTutorial: various updates to sync with wiki page.
cmlenz
parents: 618
diff changeset
128 cherrypy.quickstart(Root(data), '/', {
611
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
129 '/media': {
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
130 'tools.staticdir.on': True,
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
131 'tools.staticdir.dir': 'static'
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
132 }
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
133 })
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
134
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
135 if __name__ == '__main__':
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
136 import formencode
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
137 formencode.api.set_stdtranslation(languages=['en'])
236c351928a2 Add current code for GenshiTutorial to the `examples` directory.
cmlenz
parents:
diff changeset
138 main(sys.argv[1])
Copyright (C) 2012-2017 Edgewall Software