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

  • Committer: David Coles
  • Date: 2010-08-30 03:26:13 UTC
  • Revision ID: coles.david@gmail.com-20100830032613-d14vng0jkelniu3l
python-console: Fix globals broken with new JSON library.

simplejson always returns unicode strings. cJSON would return ordinary strings 
if possible. cPickle.loads() only accepts strings. At present we use pickle 
version 0 so they should all works as ASCII strings. Higher versions of pickle 
are not plain ASCII and are likely to break this and so this should be fixed 
at some point.

Also replaced unconditional exception with one that catches Pickle errors. Not 
sure the best way to report failures of these functions.

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Lines of Context:
ivle/webapp/admin/breadcrumbs.py
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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class UsersBreadcrumb(object):
 
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    @property
 
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    def url(self):
 
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        return '/users'
 
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    @property
 
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    def text(self):
 
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        return 'Users'
 
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class UserBreadcrumb(object):
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    def __init__(self, req, context):
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        self.req = req
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    @property
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    def text(self):
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        return self.context.nick
 
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        perms = self.context.get_permissions(self.req.user, self.req.config)
 
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        # Show nickname iff current user has permission to view this user
 
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        # (Else, show just the login name)
 
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        if 'view' in perms:
 
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            return self.context.nick
 
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        else:
 
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            return self.context.login
 
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    @property
 
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    def extra_breadcrumbs_before(self):
 
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        return [UsersBreadcrumb()]
 
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class SubjectsBreadcrumb(object):
 
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    @property
 
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    def url(self):
 
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        return '/subjects'
 
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    @property
 
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    def text(self):
 
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        return 'Subjects'
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class SubjectBreadcrumb(object):
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    def __init__(self, req, context):
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        self.context = context
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    @property
 
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    def url(self):
 
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        return self.req.publisher.generate(self.context)
 
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    @property
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    def text(self):
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        return self.context.name
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    @property
 
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    def extra_breadcrumbs_before(self):
 
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        return [SubjectsBreadcrumb()]
 
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class OfferingBreadcrumb(object):
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    def __init__(self, req, context):
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        self.req = req
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    @property
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    def text(self):
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        return '%s semester %s' % (self.context.semester.year,
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                                   self.context.semester.semester)
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    @property
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    def menu(self):
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        return {
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            'Worksheets': self.req.publisher.generate(self.context, None,
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                                                   ('+worksheets')),
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            }
 
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        return '%s %s' % (self.context.semester.year,
 
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                          self.context.semester.display_name)
 
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class ProjectsBreadcrumb(object):
 
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    """Static 'Projects' breadcrumb to precede ProjectBreadcrumb.
 
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    context must be a ProjectSet.
 
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    """
 
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    def __init__(self, req, context):
 
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        self.req = req
 
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        self.context = context
 
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    @property
 
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    def url(self):
 
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        return self.req.publisher.generate(self.context.offering, None,
 
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                                           '+projects')
 
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    @property
 
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    def text(self):
 
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        return 'Projects'
 
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class ProjectBreadcrumb(object):
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    def __init__(self, req, context):
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    def text(self):
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        return self.context.name
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    @property
 
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    def extra_breadcrumbs_before(self):
 
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        return [ProjectsBreadcrumb(self.req, self.context.project_set)]
 
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class EnrolmentsBreadcrumb(object):
 
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    """Static 'Enrolments' breadcrumb to precede EnrolmentBreadcrumb."""
 
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    def __init__(self, req, context):
 
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        self.req = req
 
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        self.context = context
 
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    @property
 
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    def url(self):
 
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        return self.req.publisher.generate(self.context, None, '+enrolments')
 
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    @property
 
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    def text(self):
 
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        return 'Enrolments'
 
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class EnrolmentBreadcrumb(object):
 
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    def __init__(self, req, context):
 
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        self.req = req
 
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        self.context = context
 
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    @property
 
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    def text(self):
 
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        return self.context.user.fullname
 
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    @property
 
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    def extra_breadcrumbs_before(self):
 
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        return [EnrolmentsBreadcrumb(self.req, self.context.offering)]