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Viewing changes to ivle/webapp/admin/subject.py

  • Committer: William Grant
  • Date: 2009-02-23 23:47:02 UTC
  • mfrom: (1099.1.211 new-dispatch)
  • Revision ID: grantw@unimelb.edu.au-20090223234702-db4b1llly46ignwo
Merge from lp:~ivle-dev/ivle/new-dispatch.

Pretty much everything changes. Reread the setup docs. Backup your databases.
Every file is now in a different installed location, the configuration system
is rewritten, the dispatch system is rewritten, URLs are different, the
database is different, worksheets and exercises are no longer on the
filesystem, we use a templating engine, jail service protocols are rewritten,
we don't repeat ourselves, we have authorization rewritten, phpBB is gone,
and probably lots of other things that I cannot remember.

This is certainly the biggest commit I have ever made, and hopefully
the largest I ever will.

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ivle/webapp/admin/subject.py
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import urllib
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import cgi
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import ivle.database
 
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from ivle.webapp.base.xhtml import XHTMLView
 
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from ivle.webapp.base.plugins import ViewPlugin, MediaPlugin
 
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from ivle.webapp.errors import NotFound
 
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from ivle.database import Subject
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from ivle import util
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import genshi
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import genshi.template
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def handle(req):
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    """Handler for the Subjects application. Links to subject home pages."""
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    req.styles = ["media/subjects/subjects.css"]
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    ctx = genshi.template.Context()
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    if req.path == "":
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        # This is represented as a directory. Redirect and add a slash if it is
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        # missing.
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        if req.uri[-1] != '/':
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            req.throw_redirect(req.uri + '/')
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        ctx['whichpage'] = "toplevel"
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        handle_toplevel_menu(req, ctx)
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    else:
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        ctx['whichpage'] = "subject"
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        handle_subject_page(req, req.path, ctx)
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    loader = genshi.template.TemplateLoader(".", auto_reload=True)
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    tmpl = loader.load(util.make_local_path("apps/subjects/template.html"))
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    req.write(tmpl.generate(ctx).render('html')) #'xhtml', doctype='xhtml'))
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def handle_toplevel_menu(req, ctx):
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    enrolled_subjects = req.user.subjects
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    unenrolled_subjects = [subject for subject in
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                           req.store.find(ivle.database.Subject)
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                           if subject not in enrolled_subjects]
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    ctx['enrolled_subjects'] = []
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    ctx['other_subjects'] = []
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    req.content_type = "text/html"
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    req.write_html_head_foot = True
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    for subject in enrolled_subjects:
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        new_subj = {}
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        new_subj['name'] = subject.name
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        new_subj['url'] = subject.url
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        ctx['enrolled_subjects'].append(new_subj)
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    if len(unenrolled_subjects) > 0:
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        for subject in unenrolled_subjects:
 
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class SubjectsView(XHTMLView):
 
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    '''The view of the list of subjects.'''
 
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    template = 'subjects.html'
 
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    appname = 'subjects' # XXX
 
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    def authorize(self, req):
 
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        return req.user is not None
 
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    def populate(self, req, ctx):
 
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        enrolled_subjects = req.user.subjects
 
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        unenrolled_subjects = [subject for subject in
 
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                               req.store.find(Subject)
 
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                               if subject not in enrolled_subjects]
 
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        ctx['enrolled_subjects'] = []
 
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        ctx['other_subjects'] = []
 
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        for subject in enrolled_subjects:
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            new_subj = {}
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            new_subj['name'] = subject.name
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            new_subj['url'] = subject.url
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            ctx['other_subjects'].append(new_subj)
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def handle_subject_page(req, path, ctx):
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    req.content_type = "text/html"
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    req.write_html_head_foot = True     # Have dispatch print head and foot
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    # Just make the iframe pointing to media/subjects
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    ctx['serve_loc'] = urllib.quote(util.make_path(os.path.join('media', 'subjects', path)))
 
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            ctx['enrolled_subjects'].append(new_subj)
 
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        if len(unenrolled_subjects) > 0:
 
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            for subject in unenrolled_subjects:
 
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                new_subj = {}
 
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                new_subj['name'] = subject.name
 
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                new_subj['url'] = subject.url
 
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                ctx['other_subjects'].append(new_subj)
 
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class Plugin(ViewPlugin, MediaPlugin):
 
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    urls = [
 
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        ('subjects/', SubjectsView),
 
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    ]
 
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    tabs = [
 
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        ('subjects', 'Subjects', 'Announcements and information about the '
 
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         'subjects you are enrolled in.', 'subjects.png', 'subjects', 5)
 
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    ]
 
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    media = 'subject-media'