340 lines
14 KiB
Python
340 lines
14 KiB
Python
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from urllib import parse
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from django import forms
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from django.urls import re_path as url
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from django.contrib import admin, messages
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from django.contrib.admin.options import IS_POPUP_VAR
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from django.contrib.admin.utils import unquote
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from django.contrib.auth import update_session_auth_hash
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from django.core.exceptions import PermissionDenied
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from django.http import HttpResponseRedirect, Http404, HttpResponse
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from django.forms.models import BaseInlineFormSet
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from django.shortcuts import get_object_or_404
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from django.template.response import TemplateResponse
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from django.utils.decorators import method_decorator
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from django.utils.encoding import force_str
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from django.utils.html import escape
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from django.utils.translation import gettext_lazy as _
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from django.views.decorators.debug import sensitive_post_parameters
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from orchestra.models.utils import has_db_field
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from ..utils.python import random_ascii, pairwise
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from .forms import AdminPasswordChangeForm
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#, AdminRawPasswordChangeForm
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#from django.contrib.auth.forms import AdminPasswordChangeForm
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from .utils import action_to_view
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sensitive_post_parameters_m = method_decorator(sensitive_post_parameters())
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class ChangeListDefaultFilter(object):
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"""
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Enables support for default filtering on admin change list pages
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Your model admin class should define an default_changelist_filters attribute
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default_changelist_filters = (('my_nodes', 'True'),)
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"""
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default_changelist_filters = ()
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def changelist_view(self, request, extra_context=None):
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# defaults = []
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# for key, value in self.default_changelist_filters:
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# set_url_query(request, key, value)
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# defaults.append(key)
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# # hack response cl context in order to hook default filter awaearness
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# # into search_form.html template
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# response = super(ChangeListDefaultFilter, self).changelist_view(request, extra_context)
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# if hasattr(response, 'context_data') and 'cl' in response.context_data:
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# response.context_data['cl'].default_changelist_filters = defaults
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# return response
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querystring = request.META['QUERY_STRING']
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querydict = parse.parse_qs(querystring)
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redirect = False
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for field, value in self.default_changelist_filters:
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if field not in querydict:
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redirect = True
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querydict[field] = value
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if redirect:
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querystring = parse.urlencode(querydict, doseq=True)
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return HttpResponseRedirect(request.path + '?%s' % querystring)
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return super(ChangeListDefaultFilter, self).changelist_view(request, extra_context=extra_context)
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class AtLeastOneRequiredInlineFormSet(BaseInlineFormSet):
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def clean(self):
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"""Check that at least one service has been entered."""
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super(AtLeastOneRequiredInlineFormSet, self).clean()
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if any(self.errors):
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return
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if not any(cleaned_data and not cleaned_data.get('DELETE', False)
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for cleaned_data in self.cleaned_data):
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raise forms.ValidationError('At least one item required.')
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class EnhaceSearchMixin(object):
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def lookup_allowed(self, lookup, value):
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""" allows any lookup """
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if 'password' in lookup:
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return False
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return True
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def get_search_results(self, request, queryset, search_term):
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""" allows to specify field <field_name>:<search_term> """
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search_fields = self.get_search_fields(request)
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if '=' in search_term:
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fields = {field.split('__')[0]: field for field in search_fields}
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new_search_term = []
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for part in search_term.split():
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field = None
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if '=' in part:
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field, term = part.split('=')
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kwarg = '%s__icontains'
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c_term = term
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if term.startswith(('"', "'")) and term.endswith(('"', "'")):
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c_term = term[1:-1]
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kwarg = '%s__iexact'
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if field in fields:
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queryset = queryset.filter(**{kwarg % fields[field]: c_term})
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else:
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new_search_term.append('='.join((field, term)))
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else:
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new_search_term.append(part)
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search_term = ' '.join(new_search_term)
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return super(EnhaceSearchMixin, self).get_search_results(request, queryset, search_term)
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class ChangeViewActionsMixin(object):
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""" Makes actions visible on the admin change view page. """
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change_view_actions = ()
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change_form_template = 'orchestra/admin/change_form.html'
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def get_urls(self):
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"""Returns the additional urls for the change view links"""
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urls = super(ChangeViewActionsMixin, self).get_urls()
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admin_site = self.admin_site
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opts = self.model._meta
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new_urls = []
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for action in self.get_change_view_actions():
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new_urls.append(
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url('^(\d+)/%s/$' % action.url_name,
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admin_site.admin_view(action),
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name='%s_%s_%s' % (opts.app_label, opts.model_name, action.url_name)
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)
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)
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return new_urls + urls
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def get_change_view_actions(self, obj=None):
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""" allow customization on modelamdin """
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views = []
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for action in self.change_view_actions:
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if isinstance(action, str):
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action = getattr(self, action)
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view = action_to_view(action, self)
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view.url_name = getattr(action, 'url_name', action.__name__)
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tool_description = getattr(action, 'tool_description', '')
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if not tool_description:
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tool_description = getattr(action, 'short_description',
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view.url_name.capitalize().replace('_', ' '))
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if hasattr(tool_description, '__call__'):
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tool_description = tool_description(obj)
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view.tool_description = tool_description
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view.css_class = getattr(action, 'css_class', 'historylink')
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view.help_text = getattr(action, 'help_text', '')
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view.hidden = getattr(action, 'hidden', False)
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views.append(view)
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return views
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def change_view(self, request, object_id, **kwargs):
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if kwargs.get('extra_context', None) is None:
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kwargs['extra_context'] = {}
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obj = self.get_object(request, unquote(object_id))
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kwargs['extra_context']['object_tools_items'] = [
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action.__dict__ for action in self.get_change_view_actions(obj) if not action.hidden
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]
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return super().change_view(request, object_id, **kwargs)
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class ChangeAddFieldsMixin(object):
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""" Enables to specify different set of fields for change and add views """
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add_fields = ()
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add_fieldsets = ()
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add_form = None
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add_prepopulated_fields = {}
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change_readonly_fields = ()
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change_form = None
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add_inlines = None
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def get_prepopulated_fields(self, request, obj=None):
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if not obj:
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return super(ChangeAddFieldsMixin, self).get_prepopulated_fields(request, obj)
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return {}
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def get_change_readonly_fields(self, request, obj=None):
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return self.change_readonly_fields
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def get_readonly_fields(self, request, obj=None):
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fields = super(ChangeAddFieldsMixin, self).get_readonly_fields(request, obj)
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if obj:
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return fields + self.get_change_readonly_fields(request, obj)
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return fields
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def get_fieldsets(self, request, obj=None):
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if not obj:
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if self.add_fieldsets:
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return self.add_fieldsets
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elif self.add_fields:
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return [(None, {'fields': self.add_fields})]
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return super(ChangeAddFieldsMixin, self).get_fieldsets(request, obj)
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def get_inline_instances(self, request, obj=None):
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""" add_inlines and inline.parent_object """
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if obj:
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self.inlines = type(self).inlines
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else:
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self.inlines = self.inlines if self.add_inlines is None else self.add_inlines
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inlines = super(ChangeAddFieldsMixin, self).get_inline_instances(request, obj)
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for inline in inlines:
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inline.parent_object = obj
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return inlines
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def get_form(self, request, obj=None, **kwargs):
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""" Use special form during user creation """
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defaults = {}
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if obj is None:
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if self.add_form:
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defaults['form'] = self.add_form
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else:
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if self.change_form:
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defaults['form'] = self.change_form
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defaults.update(kwargs)
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return super(ChangeAddFieldsMixin, self).get_form(request, obj, **defaults)
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class ExtendedModelAdmin(ChangeViewActionsMixin,
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ChangeAddFieldsMixin,
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ChangeListDefaultFilter,
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EnhaceSearchMixin,
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admin.ModelAdmin):
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list_prefetch_related = None
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def get_queryset(self, request):
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qs = super(ExtendedModelAdmin, self).get_queryset(request)
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if self.list_prefetch_related:
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qs = qs.prefetch_related(*self.list_prefetch_related)
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return qs
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def get_object(self, request, object_id, from_field=None):
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obj = super(ExtendedModelAdmin, self).get_object(request, object_id, from_field)
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if obj is None:
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opts = self.model._meta
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raise Http404(_('%(name)s object with primary key %(key)r does not exist.') % {
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'name': force_str(opts.verbose_name), 'key': escape(object_id)})
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return obj
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class ChangePasswordAdminMixin(object):
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change_password_form = AdminPasswordChangeForm
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change_user_password_template = 'admin/orchestra/change_password.html'
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def get_urls(self):
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opts = self.model._meta
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info = opts.app_label, opts.model_name
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return [
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url(r'^(\d+)/password/$',
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self.admin_site.admin_view(self.change_password),
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name='%s_%s_change_password' % info),
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url(r'^(\d+)/hash/$',
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self.admin_site.admin_view(self.show_hash),
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name='%s_%s_show_hash' % info)
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] + super().get_urls()
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def get_change_password_username(self, obj):
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return str(obj)
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@sensitive_post_parameters_m
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def change_password(self, request, id, form_url=''):
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if not self.has_change_permission(request):
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raise PermissionDenied
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# TODO use this insetad of self.get_object(), in other places
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obj = get_object_or_404(self.get_queryset(request), pk=id)
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raw = request.GET.get('raw', '0') == '1'
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can_raw = has_db_field(obj, 'password')
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if raw and not can_raw:
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raise TypeError("%s has no password db field for raw password edditing." % obj)
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related = []
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for obj_name_attr in ('username', 'name', 'hostname'):
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try:
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obj_name = getattr(obj, obj_name_attr)
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except AttributeError:
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pass
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else:
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break
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if hasattr(obj, 'account'):
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account = obj.account
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if obj.account.username == obj_name:
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related.append(obj.account)
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else:
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account = obj
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if account.username == obj_name:
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for rel in account.get_related_passwords(db_field=raw):
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if not isinstance(obj, type(rel)):
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related.append(rel)
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if request.method == 'POST':
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form = self.change_password_form(obj, request.POST, related=related, raw=raw)
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if form.is_valid():
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form.save()
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self.log_change(request, obj, _("Password changed."))
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msg = _('Password changed successfully.')
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messages.success(request, msg)
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update_session_auth_hash(request, form.user) # This is safe
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return HttpResponseRedirect('..')
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else:
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form = self.change_password_form(obj, related=related, raw=raw)
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fieldsets = [
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(obj._meta.verbose_name.capitalize(), {
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'classes': ('wide',),
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'fields': ('password',) if raw else ('password1', 'password2'),
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}),
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]
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for ix, rel in enumerate(related):
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fieldsets.append((rel._meta.verbose_name.capitalize(), {
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'classes': ('wide',),
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'fields': ('password_%i' % ix,) if raw else ('password1_%i' % ix, 'password2_%i' % ix)
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}))
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obj_username = self.get_change_password_username(obj)
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adminForm = admin.helpers.AdminForm(form, fieldsets, {})
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context = {
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'title': _('Change password: %s') % obj_username,
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'adminform': adminForm,
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'raw': raw,
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'can_raw': can_raw,
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'errors': admin.helpers.AdminErrorList(form, []),
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'form_url': form_url,
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'is_popup': (IS_POPUP_VAR in request.POST or
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IS_POPUP_VAR in request.GET),
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'add': True,
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'change': False,
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'has_delete_permission': False,
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'has_change_permission': True,
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'has_absolute_url': False,
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'opts': self.model._meta,
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'original': obj,
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'obj_username': obj_username,
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'save_as': False,
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'show_save': True,
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'password': random_ascii(10),
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}
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context.update(admin.site.each_context(request))
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return TemplateResponse(request, self.change_user_password_template, context)
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def show_hash(self, request, id):
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if not request.user.is_superuser:
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raise PermissionDenied
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obj = get_object_or_404(self.get_queryset(request), pk=id)
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return HttpResponse(obj.password)
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