author | Todd Larsen <tlarsen@google.com> |
Fri, 03 Oct 2008 22:17:05 +0000 | |
changeset 269 | 0f1acc4c3e1e |
parent 54 | 03e267d67478 |
permissions | -rw-r--r-- |
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from django import template |
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from django.db.models import get_models |
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from django.utils.encoding import force_unicode |
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from django.utils.safestring import mark_safe |
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register = template.Library() |
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class AdminApplistNode(template.Node): |
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def __init__(self, varname): |
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self.varname = varname |
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def render(self, context): |
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from django.db import models |
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from django.utils.text import capfirst |
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app_list = [] |
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user = context['user'] |
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for app in models.get_apps(): |
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# Determine the app_label. |
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app_models = get_models(app) |
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if not app_models: |
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continue |
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app_label = app_models[0]._meta.app_label |
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has_module_perms = user.has_module_perms(app_label) |
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if has_module_perms: |
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model_list = [] |
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for m in app_models: |
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if m._meta.admin: |
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perms = { |
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'add': user.has_perm("%s.%s" % (app_label, m._meta.get_add_permission())), |
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'change': user.has_perm("%s.%s" % (app_label, m._meta.get_change_permission())), |
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'delete': user.has_perm("%s.%s" % (app_label, m._meta.get_delete_permission())), |
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} |
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# Check whether user has any perm for this module. |
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# If so, add the module to the model_list. |
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if True in perms.values(): |
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model_list.append({ |
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'name': force_unicode(capfirst(m._meta.verbose_name_plural)), |
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'admin_url': mark_safe(u'%s/%s/' % (force_unicode(app_label), m.__name__.lower())), |
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'perms': perms, |
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}) |
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if model_list: |
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# Sort using verbose decorate-sort-undecorate pattern |
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# instead of key argument to sort() for python 2.3 compatibility |
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decorated = [(x['name'], x) for x in model_list] |
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decorated.sort() |
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model_list = [x for key, x in decorated] |
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app_list.append({ |
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'name': app_label.title(), |
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'has_module_perms': has_module_perms, |
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'models': model_list, |
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}) |
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context[self.varname] = app_list |
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return '' |
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def get_admin_app_list(parser, token): |
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""" |
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Returns a list of installed applications and models for which the current user |
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has at least one permission. |
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|
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Syntax:: |
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{% get_admin_app_list as [context_var_containing_app_list] %} |
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Example usage:: |
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|
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{% get_admin_app_list as admin_app_list %} |
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""" |
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tokens = token.contents.split() |
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if len(tokens) < 3: |
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raise template.TemplateSyntaxError, "'%s' tag requires two arguments" % tokens[0] |
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if tokens[1] != 'as': |
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raise template.TemplateSyntaxError, "First argument to '%s' tag must be 'as'" % tokens[0] |
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return AdminApplistNode(tokens[2]) |
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register.tag('get_admin_app_list', get_admin_app_list) |