Djangoization - Major refactoring (step 7)

Work on archaeological_files wizards

13 files changed, 946 insertions, 60 deletions

diff --git a/archaeological_context_records/models.py b/archaeological_context_records/models.py
index 75653e78e..64772627b 100644
--- a/archaeological_context_records/models.py
+++ b/archaeological_context_records/models.py
@@ -143,7 +143,7 @@ class ContextRecord(BaseHistorizedItem, OwnPerms):
         return self.short_label()
 
     def short_label(self):
-        return JOINT.join([unicode(item) for item in [self.parcel,
+        return settings.JOINT.join([unicode(item) for item in [self.parcel,
                                                    self.label] if item])
 
     def full_label(self):
@@ -154,13 +154,14 @@ class ContextRecord(BaseHistorizedItem, OwnPerms):
     def _real_label(self):
         if not self.parcel.operation.code_patriarche:
             return
-        return JOINT.join((self.parcel.operation.code_patriarche,
+        return settings.JOINT.join((self.parcel.operation.code_patriarche,
                            self.label))
 
     def _temp_label(self):
         if self.parcel.operation.code_patriarche:
             return
-        return JOINT.join([unicode(lbl) for lbl in [self.parcel.operation.year,
+        return settings.JOINT.join([unicode(lbl) for lbl in [
+                                           self.parcel.operation.year,
                                            self.parcel.operation.operation_code,
                                            self.label] if lbl])
 
diff --git a/archaeological_context_records/wizards.py b/archaeological_context_records/wizards.py
index b14272e16..1fd657bcc 100644
--- a/archaeological_context_records/wizards.py
+++ b/archaeological_context_records/wizards.py
@@ -73,7 +73,8 @@ class RecordWizard(Wizard):
         else:
             data = {}
         if not step:
-            step = self.determine_step(request, storage)
+            step = self.steps.current
+            #step = self.determine_step(request, storage)
         form = self.get_form_list(request, storage)[step]
 
         general_form_key = 'general-' + self.url_name
diff --git a/archaeological_files/models.py b/archaeological_files/models.py
index c3d950d3e..0bc9a9566 100644
--- a/archaeological_files/models.py
+++ b/archaeological_files/models.py
@@ -131,7 +131,7 @@ class File(BaseHistorizedItem, OwnPerms):
                                unicode(self.numeric_reference))))
         items += [unicode(getattr(self, k))[:36]
                   for k in ['internal_reference',] if getattr(self, k)]
-        return JOINT.join(items)
+        return settings.JOINT.join(items)
 
     @classmethod
     def get_query_owns(cls, user):
diff --git a/archaeological_files/views.py b/archaeological_files/views.py
index 0f71b24d8..84a42b95a 100644
--- a/archaeological_files/views.py
+++ b/archaeological_files/views.py
@@ -78,8 +78,8 @@ def dashboard_file(request, dct, obj_id=None, *args, **kwargs):
                               context_instance=RequestContext(request))
 
 file_search_wizard = SearchWizard.as_view(
-                                [('general-file_search', FileFormSelection)],
-                                url_name='file_search',)
+                            [('general-file_search', FileFormSelection)],
+                            url_name='file_search',)
 file_creation_wizard = FileWizard.as_view([
                             ('general-file_creation', FileFormGeneral),
                             ('address-file_creation', FileFormAddress),
diff --git a/archaeological_files/wizards.py b/archaeological_files/wizards.py
index b161deae0..e98248965 100644
--- a/archaeological_files/wizards.py
+++ b/archaeological_files/wizards.py
@@ -19,6 +19,7 @@
 
 from django.conf import settings
 from django.core.exceptions import ObjectDoesNotExist
+from django.db.models import Max
 from django.shortcuts import render_to_response
 from django.template import RequestContext
 from django.utils.translation import ugettext_lazy as _
@@ -26,14 +27,15 @@ from django.utils.translation import ugettext_lazy as _
 from ishtar_common.wizards import Wizard, ClosingWizard
 from archaeological_operations.wizards import OperationAdministrativeActWizard,\
                                               AdministrativeActDeletionWizard
-from archaeological_operations.models import AdministrativeAct
+from ishtar_common.models import Town
+from archaeological_operations.models import AdministrativeAct, Parcel
 import models
 
 class FileWizard(Wizard):
     model = models.File
     object_parcel_type = 'associated_file'
 
-    def get_form(self, request, storage, step=None, data=None, files=None):
+    def get_form(self, step=None, data=None, files=None):
         """
         Manage towns
         """
@@ -43,40 +45,40 @@ class FileWizard(Wizard):
             data = {}
         # manage the dynamic choice of towns
         if not step:
-            step = self.determine_step(request, storage)
-        form = self.get_form_list(request, storage)[step]
+            # step = self.determine_step(request, storage)
+            step = self.steps.current
+        form = self.get_form_list()[step]
         town_form_key = 'towns-' + self.url_name
         if step.startswith('parcels-') and hasattr(form, 'management_form') \
-           and self.session_has_key(request, storage, town_form_key):
+           and self.session_has_key(self.request, self.storage, town_form_key):
             towns = []
-            qdict = request.session[storage.prefix]['step_data'][town_form_key]
+            qdict = self.request.session[self.storage.prefix]['step_data']\
+                                        [town_form_key]
             for k in qdict.keys():
                 if k.endswith("town") and qdict[k]:
                     try:
-                        town = Town.objects.get(pk=int(qdict[k]))
+                        town = Town.objects.get(pk=int(qdict[k][0]))
                         towns.append((town.pk, unicode(town)))
                     except (ObjectDoesNotExist, ValueError):
                         pass
             data['TOWNS'] = sorted(towns, key=lambda x:x[1])
-        form = super(FileWizard, self).get_form(request, storage, step, data,
-                                                files)
+        form = super(FileWizard, self).get_form(step, data, files)
         return form
 
-    def get_extra_model(self, dct, request, storage, form_list):
-        dct = super(FileWizard, self).get_extra_model(dct, request, storage,
-                                                      form_list)
+    def get_extra_model(self, dct, form_list):
+        dct = super(FileWizard, self).get_extra_model(dct, form_list)
         if not dct['numeric_reference']:
             current_ref = models.File.objects.filter(year=dct['year']
                 ).aggregate(Max('numeric_reference'))["numeric_reference__max"]
             dct['numeric_reference'] = current_ref and current_ref + 1 or 1
         return dct
 
-    def done(self, request, storage, form_list, **kwargs):
+    def done(self, form_list, **kwargs):
         '''
         Save parcels
         '''
-        r = super(FileWizard, self).done(request, storage, form_list,
-                                         return_object=True, **kwargs)
+        r = super(FileWizard, self).done(form_list, return_object=True,
+                                         **kwargs)
         if type(r) not in (list, tuple) or len(r) != 2:
             return r
         obj, res = r
@@ -92,7 +94,7 @@ class FileWizard(Wizard):
                 dct = frm.cleaned_data.copy()
                 if 'parcel' in dct:
                     try:
-                        parcel = models.Parcel.objects.get(pk=dct['parcel'])
+                        parcel = Parcel.objects.get(pk=dct['parcel'])
                         setattr(parcel, self.object_parcel_type, obj)
                         parcel.save()
                     except (ValueError, ObjectDoesNotExist):
@@ -106,10 +108,10 @@ class FileWizard(Wizard):
                 dct[self.object_parcel_type] = obj
                 if 'DELETE' in dct:
                     dct.pop('DELETE')
-                parcel = models.Parcel.objects.filter(**dct).count()
+                parcel = Parcel.objects.filter(**dct).count()
                 if not parcel:
-                    dct['history_modifier'] = request.user
-                    parcel = models.Parcel(**dct)
+                    dct['history_modifier'] = self.request.user
+                    parcel = Parcel(**dct)
                     parcel.save()
         return res
 
@@ -125,6 +127,7 @@ class FileClosingWizard(ClosingWizard):
     if settings.COUNTRY == 'fr':
         fields += ['saisine_type', 'reference_number']
     fields += ['towns']
+
 class FileDeletionWizard(FileClosingWizard):
     def get_formated_datas(self, forms):
         datas = super(FileDeletionWizard, self).get_formated_datas(forms)
@@ -135,14 +138,14 @@ class FileDeletionWizard(FileClosingWizard):
                 datas[-1][1].append(('', unicode(operation)))
         return datas
 
-    def done(self, request, storage, form_list, **kwargs):
-        obj = self.get_current_object(request, storage)
+    def done(self, form_list, **kwargs):
+        obj = self.get_current_object()
         for operation in models.Operation.objects.filter(
                                                    associated_file=obj).all():
             operation.delete()
         obj.delete()
         return render_to_response('wizard_done.html', {},
-                                  context_instance=RequestContext(request))
+                                  context_instance=RequestContext(self.request))
 
 
 class FileAdministrativeActWizard(OperationAdministrativeActWizard):
@@ -151,5 +154,5 @@ class FileAdministrativeActWizard(OperationAdministrativeActWizard):
 class FileEditAdministrativeActWizard(FileAdministrativeActWizard):
     model = AdministrativeAct
     edit = True
-    def get_associated_item(self, request, storage, dct):
-        return self.get_current_object(request, storage).associated_file
+    def get_associated_item(self, dct):
+        return self.get_current_object().associated_file
diff --git a/archaeological_finds/models.py b/archaeological_finds/models.py
index eeb293934..cb305a93a 100644
--- a/archaeological_finds/models.py
+++ b/archaeological_finds/models.py
@@ -79,14 +79,14 @@ class BaseFind(BaseHistorizedItem, OwnPerms):
         finds += [ope.code_patriarche or \
                   (unicode(ope.year) + "-" + unicode(ope.operation_code))]
         finds += [self.context_record.label, unicode(self.material_index)]
-        return JOINT.join(finds)
+        return settings.JOINT.join(finds)
 
     def _real_label(self):
         if not self.context_record.parcel.operation.code_patriarche:
             return
         find = self.get_last_find()
         lbl = find.label or self.label
-        return JOINT.join([unicode(it) for it in (
+        return settings.JOINT.join([unicode(it) for it in (
                            self.context_record.parcel.operation.code_patriarche,
                            self.context_record.label,
                            lbl) if it])
@@ -96,7 +96,7 @@ class BaseFind(BaseHistorizedItem, OwnPerms):
             return
         find = self.get_last_find()
         lbl = find.label or self.label
-        return JOINT.join([unicode(it) for it in (
+        return settings.JOINT.join([unicode(it) for it in (
                            self.context_record.parcel.year,
                            self.index,
                            self.context_record.label,
@@ -278,5 +278,5 @@ class Property(LightHistorizedItem):
         verbose_name_plural = _(u"Properties")
 
     def __unicode__(self):
-        return self.person + JOINT + self.find
+        return self.person + settings.JOINT + self.find
 
diff --git a/archaeological_operations/forms.py b/archaeological_operations/forms.py
index d87e72423..dc342f477 100644
--- a/archaeological_operations/forms.py
+++ b/archaeological_operations/forms.py
@@ -29,6 +29,7 @@ from django.template import RequestContext
 from django.core import validators
 from django.core.exceptions import ObjectDoesNotExist
 from django.db.models import Max
+from django.forms.formsets import DELETION_FIELD_NAME
 from django.utils.translation import ugettext_lazy as _
 
 from ishtar_common.models import valid_id, PersonType, Person, Town
diff --git a/archaeological_operations/models.py b/archaeological_operations/models.py
index 2c008ef9b..60de936d2 100644
--- a/archaeological_operations/models.py
+++ b/archaeological_operations/models.py
@@ -129,7 +129,7 @@ class Operation(BaseHistorizedItem, OwnPerms):
             items[0] = unicode(self.towns.all()[0])
         items.append("-".join((unicode(self.year),
                                unicode(self.operation_code))))
-        return JOINT.join(items)
+        return settings.JOINT.join(items)
 
     @classmethod
     def get_available_operation_code(cls, year=None):
@@ -301,7 +301,7 @@ related_name='+', verbose_name=_(u"Person in charge of the scientific part"))
         )
 
     def __unicode__(self):
-        return JOINT.join([unicode(item)
+        return settings.JOINT.join([unicode(item)
           for item in [self.operation, self.associated_file, self.act_object]
           if item])
 
@@ -322,7 +322,7 @@ class Parcel(LightHistorizedItem):
         verbose_name_plural = _(u"Parcels")
 
     def short_label(self):
-        return JOINT.join([unicode(item) for item in [self.section,
+        return settings.JOINT.join([unicode(item) for item in [self.section,
                                                    self.parcel_number] if item])
 
     def __unicode__(self):
@@ -332,7 +332,7 @@ class Parcel(LightHistorizedItem):
         items = [unicode(self.operation or self.associated_file)]
         items += [unicode(item) for item in [self.section, self.parcel_number]
                                           if item]
-        return JOINT.join(items)
+        return settings.JOINT.join(items)
 
 class ParcelOwner(LightHistorizedItem):
     owner = models.ForeignKey(Person, verbose_name=_(u"Owner"))
@@ -345,7 +345,7 @@ class ParcelOwner(LightHistorizedItem):
         verbose_name_plural = _(u"Parcel owners")
 
     def __unicode__(self):
-        return self.owner + JOINT + self.parcel
+        return self.owner + settings.JOINT + self.parcel
 
 class OperationDashboard:
     def __init__(self):
diff --git a/archaeological_operations/wizards.py b/archaeological_operations/wizards.py
index df785fe6e..542d0118b 100644
--- a/archaeological_operations/wizards.py
+++ b/archaeological_operations/wizards.py
@@ -45,7 +45,8 @@ class OperationWizard(Wizard):
         """
         context = super(OperationWizard, self).get_extra_context(request,
                                                                  storage)
-        step = self.determine_step(request, storage)
+        #step = self.determine_step(request, storage)
+        step = self.steps.current
         if not step.startswith('towns-'):
             return context
         context['TOWNS'] = self.get_towns(request, storage)
@@ -79,7 +80,8 @@ class OperationWizard(Wizard):
         else:
             data = {}
         if not step:
-            step = self.determine_step(request, storage)
+            #step = self.determine_step(request, storage)
+            step = self.steps.current
         form = self.get_form_list(request, storage)[step]
         general_form_key = 'general-' + self.url_name
         # manage the dynamic choice of towns
@@ -229,7 +231,9 @@ class AdministrativeActDeletionWizard(ClosingWizard):
                                   context_instance=RequestContext(request))
 
 def is_preventive(form_name, model, type_key='operation_type', key=''):
-    def func(self, request, storage):
+    def func(self):
+        request = self.request
+        storage = self.storage
         if storage.prefix not in request.session or \
            'step_data' not in request.session[storage.prefix] or \
            form_name not in request.session[storage.prefix]['step_data'] or\
@@ -238,7 +242,7 @@ def is_preventive(form_name, model, type_key='operation_type', key=''):
             return False
         try:
             typ = int(request.session[storage.prefix]['step_data']\
-                                     [form_name][form_name+'-'+type_key])
+                                     [form_name][form_name+'-'+type_key][0])
             return model.is_preventive(typ, key)
         except ValueError:
             return False
diff --git a/ishtar_common/models.py b/ishtar_common/models.py
index 9b6f94907..3ca830aa3 100644
--- a/ishtar_common/models.py
+++ b/ishtar_common/models.py
@@ -38,8 +38,6 @@ from django.contrib import admin
 
 from simple_history.models import HistoricalRecords as BaseHistoricalRecords
 
-JOINT = u" - "
-
 def post_save_user(sender, **kwargs):
     user = kwargs['instance']
     ishtaruser = None
@@ -499,7 +497,7 @@ class Department(models.Model):
         ordering = ['number']
 
     def __unicode__(self):
-        return unicode(self.number) + JOINT + self.label
+        return unicode(self.number) + settings.JOINT + self.label
 
 class Address(BaseHistorizedItem):
     address = models.TextField(_(u"Address"), null=True, blank=True)
@@ -574,11 +572,10 @@ class Person(Address, OwnPerms) :
 
     def __unicode__(self):
         lbl = u"%s %s" % (self.name, self.surname)
-        lbl += JOINT
         if self.attached_to:
-            lbl += unicode(self.attached_to)
+            lbl += settings.JOINT + unicode(self.attached_to)
         elif self.email:
-            lbl += self.email
+            lbl += settings.JOINT + self.email
         return lbl
 
     def full_label(self):
@@ -624,7 +621,7 @@ class Author(models.Model):
         verbose_name_plural = _(u"Authors")
 
     def __unicode__(self):
-        return unicode(self.person) + JOINT + unicode(self.author_type)
+        return unicode(self.person) + settings.JOINT + unicode(self.author_type)
 
 class SourceType(GeneralType):
     class Meta:
@@ -655,14 +652,14 @@ if settings.COUNTRY == 'fr':
         department = models.ForeignKey(Department, verbose_name=u"Département")
 
         def __unicode__(self):
-            return JOINT.join((self.name, unicode(self.department)))
+            return settings.JOINT.join((self.name, unicode(self.department)))
 
     class Canton(models.Model):
         name = models.CharField(u"Nom", max_length=30)
         arrondissement = models.ForeignKey(Arrondissement,
                                            verbose_name=u"Arrondissement")
         def __unicode__(self):
-            return JOINT.join((self.name, unicode(self.arrondissement)))
+            return settings.JOINT.join((self.name, unicode(self.arrondissement)))
 
 class Town(models.Model):
     name = models.CharField(_(u"Name"), max_length=100)
diff --git a/ishtar_common/templates/search.html b/ishtar_common/templates/ishtar/wizard/search.html
index 1b5829820..7ed214a48 100644
--- a/ishtar_common/templates/search.html
+++ b/ishtar_common/templates/ishtar/wizard/search.html
@@ -2,26 +2,27 @@
 {% load i18n %}
 {% load range %}
 {% block extra_head %}
-{{form.media}}
+{{wizard.form.media}}
 {% endblock %}
 {% block content %}
+<h2>{{wizard_label}}</h2>
 <ul id='form_path'>
   <li class='current'>&raquo;&nbsp;<a href='#'>{{form.form_label}}</a></li>
 </ul>
 <div class='form'>
-{% if form.forms %}
+{% if wizard.form.forms %}
 <div class='top_button'><input type="submit" id="submit_form" value="{% trans "Validate" %}"/></div>
 <table class='formset'>
-  {%if form.non_form_errors%}<tr class='error'><th colspan='2'>{{form.non_form_errors}}</th></tr>{%endif%}
-  {{ form.management_form }}
-  {% for formsetform in form.forms %}
+  {%if wizard.form.non_form_errors%}<tr class='error'><th colspan='2'>{{wizard.form.non_form_errors}}</th></tr>{%endif%}
+  {{ wizard.form.management_form }}
+  {% for formsetform in wizard.form.forms %}
     {{ formsetform.as_table }}
   {% endfor %}
   <tr class='modify'><td colspan="2"><button name="formset_modify" value="{{form_step}}">{% trans "Add/Modify" %}</button></td></tr></li>
 </table>
 {% else %}
 <table>
-  {{ form.as_table }}
+  {{ wizard.form.as_table }}
 </table>
 {% endif %}
 </div>
diff --git a/ishtar_common/urls.py b/ishtar_common/urls.py
index 40ef4a1d2..7f82ade2f 100644
--- a/ishtar_common/urls.py
+++ b/ishtar_common/urls.py
@@ -57,7 +57,7 @@ urlpatterns += patterns('ishtar_common.views',
            'new_person', name='new-person'),
      url(r'autocomplete-person/([0-9_]+)?$', 'autocomplete_person',
            name='autocomplete-person'),
-     url(r'autocomplete-town/$', 'autocomplete_town',
+     url(r'autocomplete-town/?$', 'autocomplete_town',
            name='autocomplete-town'),
      url(r'new-author/(?P<parent_name>.+)?/$',
            'new_author', name='new-author'),
diff --git a/ishtar_common/wizards.py b/ishtar_common/wizards.py
new file mode 100644
index 000000000..7895d98e3
--- /dev/null
+++ b/ishtar_common/wizards.py
@@ -0,0 +1,878 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+# Copyright (C) 2010-2012  Étienne Loks  <etienne.loks_AT_peacefrogsDOTnet>
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# See the file COPYING for details.
+
+import datetime
+
+from django.conf import settings
+from django.contrib.formtools.wizard.views import NamedUrlWizardView
+from django.core.exceptions import ObjectDoesNotExist
+from django.shortcuts import render_to_response
+from django.template import RequestContext
+from django.utils.translation import ugettext_lazy as _
+
+import models
+
+class Wizard(NamedUrlWizardView):
+    model = None
+    label = ''
+    modification = None # True when the wizard modify an item
+    storage_name = 'django.contrib.formtools.wizard.storage.session.SessionStorage'
+
+    @staticmethod
+    def _check_right(step, condition=True):
+        '''Return a method to check the right for a specific step'''
+        """
+        def check_right(self, request, storage):
+            cond = condition
+            if callable(condition):
+                cond = condition(self, request, storage)
+            if not cond:
+                return False
+            person_type = request.user.ishtaruser.person.person_type
+            if person_type.txt_idx == 'administrator':
+                return True
+            if person_type.rights.filter(url_name=step).count():
+                return True"""
+        def check_right(self):
+            cond = condition
+            if callable(condition):
+                cond = condition(self)
+            if not cond:
+                return False
+            if not hasattr(self.request.user, 'ishtaruser'):
+                return False
+            person_type = self.request.user.ishtaruser.person.person_type
+            if person_type.txt_idx == 'administrator':
+                return True
+            if person_type.rights.filter(url_name=step).count():
+                return True
+        return check_right
+
+    def __init__(self, *args, **kwargs):
+        """Check right for each step of the wizard"""
+        print "2"
+        super(Wizard, self).__init__(*args, **kwargs)
+        for form_key in self.form_list.keys()[:-1]:
+            condition = True
+            if form_key in self.condition_dict:
+                condition = self.condition_dict.get(form_key, True)
+            cond = self._check_right(form_key, condition)
+            self.condition_dict[form_key] = cond
+        """
+        for form_key in self.form_list.keys()[:-1]:
+            condition = True
+            if form_key in self.condition_list:
+                condition = self.condition_list.get(form_key, True)
+            cond = self._check_right(form_key, condition)
+            self.condition_list[form_key] = cond"""
+
+    def get_prefix(self, *args, **kwargs):
+        """As the class name can interfere when reused prefix with the url_name
+        """
+        print "3"
+        return self.url_name + super(Wizard, self).get_prefix(*args,
+                                                              **kwargs)
+
+    def get_wizard_name(self):
+        """As the class name can interfere when reused, use the url_name"""
+        print "4"
+        return self.url_name
+
+    def get_template_names(self):
+        print "5"
+        templates = ['ishtar/wizard/default_wizard.html']
+        current_step = self.steps.current
+        if current_step == self.steps.last:
+            templates = ['ishtar/wizard/confirm_wizard.html'] + templates
+        return templates
+
+    def get_context_data(self, form, **kwargs):
+        """Add previous, next and current steps to manage the wizard path"""
+        print "6"
+        context = super(Wizard, self).get_context_data(form)
+        self.request.session['CURRENT_ACTION'] = self.get_wizard_name()
+        step = self.steps.first
+        current_step = self.steps.current
+        context.update({'current_step':self.form_list[current_step],
+                        'wizard_label':self.label})
+        if step == current_step:
+            return context
+        previous_steps, next_steps, previous_step_counter = [], [], 0
+        while step:
+            if step == current_step \
+               or (previous_steps and
+                   previous_steps[-1] == self.form_list[step]):
+                break
+            previous_steps.append(self.form_list[step])
+            previous_step_counter += 1
+            if previous_step_counter >= len(self.steps):
+                break
+            step = self.steps.all[previous_step_counter]
+        context.update({'previous_steps':previous_steps,
+                        'previous_step_counter':previous_step_counter})
+        storage = self.storage
+        # if modification: show the next steps
+        if self.modification:
+            next_step = step
+            while next_step:
+                # check if the form is initialized otherwise initialize it
+                if not storage.get_step_data(next_step):
+                    values = self.get_form_initial(next_step)
+                    prefixed_values = {}
+                    if not isinstance(values, list):
+                        for key in values:
+                            form_key = next_step + '-' + key
+                            prefixed_values[form_key] = values[key]
+                    else:
+                        for formset_idx, v in enumerate(values):
+                            prefix = u"-%d-" % formset_idx
+                            for key in v:
+                                form_key = next_step + prefix + key
+                                prefixed_values[form_key] = v[key]
+                    storage.set_step_data(next_step, prefixed_values)
+                if step != next_step: # if not current step
+                    next_steps.append(self.form_list[next_step])
+                next_step = self.get_next_step(next_step)
+        context.update({'next_steps':next_steps})
+        # not last step: validation
+        if current_step != self.steps.last:
+            return context
+        final_form_list = []
+        for form_key in self.get_form_list().keys():
+            form_obj = self.get_form(step=form_key,
+                    data=self.storage.get_step_data(form_key),
+                    files=self.storage.get_step_files(form_key))
+            form_obj.is_valid()
+            final_form_list.append(form_obj)
+        last_form = final_form_list[-1]
+        context.update({'datas':self.get_formated_datas(final_form_list)})
+        if hasattr(last_form, 'confirm_msg'):
+            context.update({'confirm_msg':last_form.confirm_msg})
+        if hasattr(last_form, 'confirm_end_msg'):
+            context.update({'confirm_end_msg':last_form.confirm_end_msg})
+        return context
+
+    def get_formated_datas(self, forms):
+        """Get the data to present in the last page"""
+        print "7"
+        datas = []
+        for form in forms:
+            form_datas = []
+            base_form = hasattr(form, 'forms') and form.forms[0] or form
+            associated_models = hasattr(base_form, 'associated_models') and \
+                                base_form.associated_models or {}
+            if not hasattr(form, 'cleaned_data') and hasattr(form, 'forms'):
+                cleaned_datas = [frm.cleaned_data for frm in form.forms
+                                                  if frm.is_valid()]
+                if not cleaned_datas:
+                    continue
+            elif not hasattr(form, 'cleaned_data'):
+                continue
+            else:
+                cleaned_datas = type(form.cleaned_data) == list and \
+                                              form.cleaned_data \
+                            or [form.cleaned_data]
+            for cleaned_data in cleaned_datas:
+                if not cleaned_data:
+                    continue
+                if form_datas:
+                    form_datas.append(("", "", "spacer"))
+                items = hasattr(base_form, 'fields') and \
+                        base_form.fields.keyOrder or cleaned_data.keys()
+                for key in items:
+                    lbl = None
+                    if key.startswith('hidden_'):
+                        continue
+                    if hasattr(base_form, 'fields') and key in base_form.fields:
+                        lbl = base_form.fields[key].label
+                        if hasattr(base_form, 'associated_labels') \
+                           and key in base_form.associated_labels:
+                            lbl = base_form.associated_labels[key]
+                    if not lbl:
+                        continue
+                    value = cleaned_data[key]
+                    if not value and value != False:
+                        continue
+                    if type(value) == bool:
+                        if value == True:
+                            value = _(u"Yes")
+                        elif value == False:
+                            value = _(u"No")
+                    elif key in associated_models:
+                        values = []
+                        if "," in unicode(value):
+                            values = unicode(value).split(",")
+                        else:
+                            values = [value]
+                        rendered_values = []
+                        for val in values:
+                            item = associated_models[key].objects.get(pk=val)
+                            if hasattr(item, 'short_label'):
+                                value = item.short_label()
+                            else:
+                                value = unicode(item)
+                            rendered_values.append(value)
+                        value = u" ; ".join(rendered_values)
+                    form_datas.append((lbl, value, ''))
+            if form_datas:
+                datas.append((form.form_label, form_datas))
+        return datas
+
+    def get_extra_model(self, dct, form_list):
+        print "8"
+        dct['history_modifier'] = self.request.user
+        return dct
+
+    def done(self, form_list, return_object=False, **kwargs):
+        """Save to the model"""
+        print "9"
+        dct, m2m, whole_associated_models = {}, [], []
+        for form in form_list:
+            if not form.is_valid():
+                return self.render(form)
+            base_form = hasattr(form, 'forms') and form.forms[0] or form
+            associated_models = hasattr(base_form, 'associated_models') and \
+                                base_form.associated_models or {}
+            if hasattr(form, 'forms'):
+                multi = False
+                if form.forms:
+                    frm = form.forms[0]
+                    if hasattr(frm, 'base_model') and frm.base_model:
+                        whole_associated_models.append(frm.base_model)
+                    else:
+                        whole_associated_models += associated_models.keys()
+                    fields = frm.fields.copy()
+                    if 'DELETE' in fields:
+                        fields.pop('DELETE')
+                    multi = len(fields) > 1
+                    if multi:
+                        assert hasattr(frm, 'base_model'), \
+                       u"Must define a base_model for " + unicode(frm.__class__)
+                for frm in form.forms:
+                    if not frm.is_valid():
+                        continue
+                    vals = {}
+                    if "DELETE" in frm.cleaned_data:
+                        if frm.cleaned_data["DELETE"]:
+                            continue
+                        frm.cleaned_data.pop('DELETE')
+                    for key in frm.cleaned_data:
+                        value = frm.cleaned_data[key]
+                        if not value and value != False:
+                            continue
+                        if key in associated_models:
+                            value = associated_models[key].objects.get(pk=value)
+                        if multi:
+                            vals[key] = value
+                        else:
+                            m2m.append((key, value))
+                    if multi and vals:
+                        m2m.append((frm.base_model, vals))
+            elif type(form.cleaned_data) == dict:
+                for key in form.cleaned_data:
+                    if key.startswith('hidden_'):
+                        continue
+                    value = form.cleaned_data[key]
+                    if key in associated_models:
+                        if value:
+                            model = associated_models[key]
+                            if isinstance(value, unicode) \
+                             or isinstance(value, str) and "," in value:
+                                value = value.split(",")
+                            if isinstance(value, list) \
+                             or isinstance(value, tuple):
+                                value = [model.objects.get(pk=val)
+                                         for val in value if val]
+                                if len(value) == 1:
+                                    value = value[0]
+                            else:
+                                value = model.objects.get(pk=value)
+                        else:
+                            value = None
+                    dct[key] = value
+        return self.save_model(dct, m2m, whole_associated_models, form_list,
+                               return_object)
+
+    def get_saved_model(self):
+        """Permit a distinguo when saved model is not the base selected model"""
+        print "10"
+        return self.model
+
+    def get_current_saved_object(self):
+        """Permit a distinguo when saved model is not the base selected model"""
+        print "11"
+        return self.get_current_object()
+
+    def save_model(self, dct, m2m, whole_associated_models, form_list,
+                   return_object):
+        print "12"
+        dct = self.get_extra_model(dct, form_list)
+        obj = self.get_current_saved_object()
+        # manage dependant items
+        other_objs = {}
+        for k in dct.keys():
+            if '__' not in k:
+                continue
+            vals = k.split('__')
+            assert len(vals) == 2, "Only one level of dependant item is managed"
+            dependant_item, key = vals
+            if dependant_item not in other_objs:
+                other_objs[dependant_item] = {}
+            other_objs[dependant_item][key] = dct.pop(k)
+        if obj:
+            for k in dct:
+                if k.startswith('pk'):
+                    continue
+                setattr(obj, k, dct[k])
+            try:
+                obj.full_clean()
+            except forms.ValidationError, msg:
+                return self.render(form_list[-1])
+            for dependant_item in other_objs:
+                c_item = getattr(obj, dependant_item)
+                # manage ManyToMany if only one associated
+                if hasattr(c_item, "all"):
+                    c_items = c_item.all()
+                    if len(c_items) != 1:
+                        continue
+                    c_item = c_items[0]
+                if c_item:
+                    # to check #
+                    for k in other_objs[dependant_item]:
+                        setattr(c_item, k, other_objs[dependant_item][k])
+                    c_item.save()
+                else:
+                    m = getattr(self.model, dependant_item)
+                    if hasattr(m, 'related'):
+                        c_item = m.related.model(**other_objs[dependant_item])
+                        setattr(obj, dependant_item, c_item)
+                    obj.save()
+            obj.save()
+        else:
+            adds = {}
+            for dependant_item in other_objs:
+                m = getattr(self.model, dependant_item)
+                model = m.field.rel.to
+                c_dct = other_objs[dependant_item].copy()
+                if issubclass(model, models.BaseHistorizedItem):
+                    c_dct['history_modifier'] = self.request.user
+                c_item = model(**c_dct)
+                c_item.save()
+                if hasattr(m, 'through'):
+                    adds[dependant_item] = c_item
+                elif hasattr(m, 'field'):
+                    dct[dependant_item] = c_item
+            if 'pk' in dct:
+                dct.pop('pk')
+            obj = self.get_saved_model()(**dct)
+            try:
+                obj.full_clean()
+            except forms.ValidationError, msg:
+                return self.render(form_list[-1])
+            obj.save()
+            for k in adds:
+                getattr(obj, k).add(adds[k])
+            # necessary to manage interaction between models like
+            # material_index management for baseitems
+            obj.save()
+        m2m_items = {}
+        for model in whole_associated_models:
+            getattr(obj, model+'s').clear()
+        for key, value in m2m:
+            if key not in m2m_items:
+                if type(key) == dict:
+                    vals = []
+                    for item in getattr(obj, key+'s').all():
+                        v = {}
+                        for k in value.keys():
+                            v[k] = getattr(item, k)
+                        vals.append(v)
+                    m2m_items[key] = vals
+                else:
+                    m2m_items[key] = getattr(obj, key+'s').all()
+            if value not in m2m_items[key]:
+                if type(value) == dict:
+                    model = getattr(obj, key+'s').model
+                    if issubclass(model, models.BaseHistorizedItem):
+                        value['history_modifier'] = self.request.user
+                    value = model.objects.create(**value)
+                    value.save()
+                getattr(obj, key+'s').add(value)
+                # necessary to manage interaction between models like
+                # material_index management for baseitems
+                obj.save()
+        res = render_to_response('wizard_done.html', {},
+                                  context_instance=RequestContext(self.request))
+        return return_object and (obj, res) or res
+
+    def get_deleted(self, keys):
+        """Get the deleted and non-deleted items in formsets"""
+        print "13"
+        not_to_delete, to_delete = set(), set()
+        for key in keys:
+            items = key.split('-')
+            if len(items) < 2 or items[-2] in to_delete:
+                continue
+            idx = items[-2]
+            try:
+                int(idx)
+            except:
+                continue
+            if items[-1] == u'DELETE':
+                to_delete.add(idx)
+                if idx in not_to_delete:
+                    not_to_delete.remove(idx)
+            elif idx not in not_to_delete:
+                not_to_delete.add(idx)
+        return (to_delete, not_to_delete)
+
+    def get_form(self, step=None, data=None, files=None):
+        """Manage formset"""
+        print "14"
+        request = self.request
+        storage = self.storage
+        if data:
+            data = data.copy()
+            if not step:
+                step = self.steps.current
+            form = self.get_form_list()[step]
+            if hasattr(form, 'management_form'):
+                # manage deletion
+                to_delete, not_to_delete = self.get_deleted(data.keys())
+                # raz deleted fields
+                for key in data.keys():
+                    items = key.split('-')
+                    if len(items) < 2 or items[-2] not in to_delete:
+                        continue
+                    data.pop(key)
+                if to_delete:
+                    # reorganize
+                    for idx, number in enumerate(sorted(not_to_delete)):
+                        idx = unicode(idx)
+                        if idx == number:
+                            continue
+                        for key in data.keys():
+                            items = key.split('-')
+                            if len(items) > 2 and number == items[-2]:
+                                items[-2] = unicode(idx)
+                                k = u'-'.join(items)
+                                data[k] = data.pop(key)[0]
+                # get a form key
+                base_key = form.form.base_fields.keys()[0]
+                init = self.get_form_initial(step)
+                total_field = len([key for key in data.keys()
+                                        if base_key in key.split('-')
+                                           and data[key]])
+                if init and not to_delete:
+                    total_field = max((total_field, len(init)))
+                data[step + u'-INITIAL_FORMS'] = unicode(total_field)
+                data[step + u'-TOTAL_FORMS'] = unicode(total_field + 1)
+        data = data or None
+        form = super(Wizard, self).get_form(step, data, files)
+        return form
+
+    def render_next_step(self, form, **kwargs):
+        """
+        Manage:
+         - modify or delete button in formset: next step = current step
+         - validate and end: nextstep = last step
+        """
+        print "15"
+        request = self.request
+        if request.POST.has_key('formset_modify') \
+           and request.POST['formset_modify'] \
+           or [key for key in request.POST.keys()
+               if key.endswith('DELETE') and request.POST[key]]:
+            return self.render(form)
+        elif request.POST.has_key('validate_and_end') \
+           and request.POST['validate_and_end']:
+            last_step = self.steps.last
+            new_form = self.get_form(last_step,
+                data=self.storage.get_step_data(last_step),
+                files=self.storage.get_step_files(last_step))
+            self.storage.current_step = last_step
+            return self.render(new_form)
+        return super(Wizard, self).render_next_step(form, **kwargs)
+
+    def post(self, *args, **kwargs):
+        """Convert numerical step number to step name"""
+        print "16"
+        request = self.request
+        post_data = request.POST.copy()
+        if request.POST.has_key('form_prev_step'):
+            try:
+                step_number = int(request.POST['form_prev_step'])
+                post_data['wizard_goto_step'] = self.get_form_list().keys(
+                                                                 )[step_number]
+            except ValueError:
+                pass
+        request.POST = post_data
+        return super(Wizard, self).post(*args, **kwargs)
+
+    @classmethod
+    def session_has_key(cls, request, storage, form_key, key=None, multi=None):
+        """Check if the session has value of a specific form and (if provided)
+        of a key
+        """
+        print "17"
+        test = storage.prefix in request.session \
+          and 'step_data' in request.session[storage.prefix] \
+          and form_key in request.session[storage.prefix]['step_data']
+        if not key or not test:
+            return test
+        key = key.startswith(form_key) and key or \
+              not multi and form_key + '-' + key or \
+              form_key + '-0-' + key #only check if the first field is available
+        return key in request.session[storage.prefix]['step_data'][form_key]
+
+    @classmethod
+    def session_get_value(cls, request, storage, form_key, key, multi=False):
+        """Get the value of a specific form"""
+        print "18"
+        if not cls.session_has_key(request, storage, form_key, key, multi):
+            return
+        if not multi:
+            key = key.startswith(form_key) and key or form_key + '-' + key
+            return request.session[storage.prefix]['step_data'][form_key][key]
+        vals = []
+        for k in request.session[storage.prefix]['step_data'][form_key]:
+            if k.startswith(form_key) and k.endswith(key) and \
+               request.session[storage.prefix]['step_data'][form_key][k]:
+                vals.append(request.session[storage.prefix]['step_data']\
+                                           [form_key][k])
+        return vals
+
+    def get_current_object(self):
+        """Get the current object for an instancied wizard"""
+        print "19"
+        current_obj = None
+        main_form_key = 'selec-' + self.url_name
+        try:
+            idx = self.session_get_value(self.request, self.storage,
+                                             main_form_key, 'pk')
+            if type(idx) in (tuple, list):
+                idx = idx[0]
+            idx = int(idx)
+            current_obj = self.model.objects.get(pk=idx)
+        except(TypeError, ValueError, ObjectDoesNotExist):
+            pass
+        return current_obj
+
+    def get_form_initial(self, step):
+        print "20"
+        current_obj = self.get_current_object()
+        current_step = self.steps.current
+        request = self.request
+        if step.startswith('selec-') and step in self.form_list \
+           and 'pk' in self.form_list[step].associated_models:
+            model_name = self.form_list[step].associated_models['pk'
+                                              ].__name__.lower()
+            if step == current_step:
+                #self.reset_wizard(request, storage)
+                self.storage.reset()
+            val = model_name in request.session and request.session[model_name]
+            if val:
+                return {'pk':val}
+        elif current_obj:
+            return self.get_instanced_init(current_obj, step)
+        current_form = self.form_list[current_step]
+        if hasattr(current_form, 'currents'):
+            initial = {}
+            for key in current_form.currents:
+                model_name = current_form.currents[key].__name__.lower()
+                val = model_name in request.session and \
+                      request.session[model_name]
+                if val:
+                    initial[key] = val
+            if initial:
+                return initial
+        return super(Wizard, self).get_form_initial(step)
+
+    def get_instanced_init(self, obj, step=None):
+        """Get initial data from an init"""
+        print "21"
+        current_step = step or self.steps.current
+        c_form = self.form_list[current_step]
+        # make the current object the default item for the session
+        obj_name = obj.__class__.__name__.lower()
+        # prefer a specialized name if available
+        prefixes = self.storage.prefix.split('_')
+        if len(prefixes) > 1 and prefixes[-2].startswith(obj_name):
+            obj_name = prefixes[-2]
+        self.request.session[obj_name] = unicode(obj.pk)
+        initial = {}
+        if self.request.POST or \
+          (step in self.request.session[self.storage.prefix] and\
+           self.request.session[self.storage.prefix]['step_data'][step]):
+            return {}
+        if hasattr(c_form, 'base_fields'):
+            for base_field in c_form.base_fields.keys():
+                fields = base_field.split('__')
+                value = obj
+                for field in fields:
+                    if not hasattr(value, field) or \
+                       getattr(value, field) == None:
+                        value = obj
+                        break
+                    value = getattr(value, field)
+                if value == obj:
+                    continue
+                if hasattr(value, 'pk'):
+                    value = value.pk
+                if value in (True, False):
+                    initial[base_field] = value
+                elif value != None:
+                    initial[base_field] = unicode(value)
+        elif hasattr(c_form, 'management_form'):
+            initial = []
+            if hasattr(c_form.form, 'base_model'):
+                key = c_form.form.base_model + 's'
+            else:
+                key = current_step.split('-')[0]
+            if not hasattr(obj, key):
+                return initial
+            keys = c_form.form.base_fields.keys()
+            for child_obj in getattr(obj, key).order_by('pk').all():
+                if not keys:
+                    break
+                vals = {}
+                if len(keys) == 1:
+                    # only one field: must be the id of the object
+                    vals[keys[0]] = unicode(child_obj.pk)
+                else:
+                    for field in keys:
+                        if hasattr(child_obj, field):
+                            value = getattr(child_obj, field)
+                            if hasattr(value, 'pk'):
+                                value = value.pk
+                            if value != None:
+                                vals[field] = unicode(value)
+                if vals:
+                    initial.append(vals)
+        return initial
+
+class SearchWizard(NamedUrlWizardView):
+    model = None
+    label = ''
+    modification = None # True when the wizard modify an item
+    storage_name = 'django.contrib.formtools.wizard.storage.session.SessionStorage'
+
+    def get_wizard_name(self):
+        """
+        As the class name can interfere when reused, use the url_name
+        """
+        return self.url_name
+
+    def get_prefix(self, *args, **kwargs):
+        """As the class name can interfere when reused prefix with the url_name
+        """
+        return self.url_name + super(SearchWizard, self).get_prefix(*args,
+                                                              **kwargs)
+
+    def get_template_names(self):
+        templates = ['ishtar/wizard/search.html']
+        return templates
+
+class DeletionWizard(Wizard):
+    def get_formated_datas(self, forms):
+        datas = super(DeletionWizard, self).get_formated_datas(forms)
+        self.current_obj = None
+        for form in forms:
+            if not hasattr(form, "cleaned_data"):
+                continue
+            for key in form.cleaned_data:
+                if key == 'pk':
+                    model = form.associated_models['pk']
+                    self.current_obj = model.objects.get(pk=form.cleaned_data['pk'])
+        if not self.current_obj:
+            return datas
+        res = {}
+        for field in self.model._meta.fields + self.model._meta.many_to_many:
+            if field.name not in self.fields:
+                continue
+            value = getattr(self.current_obj, field.name)
+            if not value:
+                continue
+            if hasattr(value, 'all'):
+                value = ", ".join([unicode(item) for item in value.all()])
+                if not value:
+                    continue
+            else:
+                value = unicode(value)
+            res[field.name] = (field.verbose_name, value, '')
+        if not datas and self.fields:
+            datas = [['', []]]
+        for field in self.fields:
+            if field in res:
+                datas[0][1].append(res[field])
+        return datas
+
+    def done(self, request, storage, form_list, **kwargs):
+        obj = self.get_current_object(request, storage)
+        obj.delete()
+        return render_to_response('wizard_delete_done.html', {},
+                                  context_instance=RequestContext(request))
+
+class ClosingWizard(Wizard):
+    # "close" an item
+    # to be define in the overloaded class
+    model = None
+    fields = []
+
+    def get_formated_datas(self, forms):
+        datas = super(ClosingWizard, self).get_formated_datas(forms)
+        self.current_obj = None
+        for form in forms:
+            if not hasattr(form, "cleaned_data"):
+                continue
+            for key in form.cleaned_data:
+                if key == 'pk':
+                    model = form.associated_models['pk']
+                    self.current_obj = model.objects.get(
+                                                  pk=form.cleaned_data['pk'])
+        if not self.current_obj:
+            return datas
+        res = {}
+        for field in self.model._meta.fields + self.model._meta.many_to_many:
+            if field.name not in self.fields:
+                continue
+            value = getattr(self.current_obj, field.name)
+            if not value:
+                continue
+            if hasattr(value, 'all'):
+                value = ", ".join([unicode(item) for item in value.all()])
+                if not value:
+                    continue
+            else:
+                value = unicode(value)
+            res[field.name] = (field.verbose_name, value, '')
+        if not datas and self.fields:
+            datas = [['', []]]
+        for field in self.fields:
+            if field in res:
+                datas[0][1].append(res[field])
+        return datas
+
+    def done(self, request, storage, form_list, **kwargs):
+        obj = self.get_current_object(request, storage)
+        for form in form_list:
+            if form.is_valid():
+                if 'end_date' in form.cleaned_data and hasattr(obj, 'end_date'):
+                    obj.end_date = form.cleaned_data['end_date']
+                    obj.save()
+        return render_to_response('wizard_closing_done.html', {},
+                                  context_instance=RequestContext(request))
+
+class PersonWizard(Wizard):
+    model = models.Person
+
+class PersonModifWizard(PersonWizard):
+    modification = True
+
+class AccountWizard(Wizard):
+    model = models.Person
+    def get_formated_datas(self, forms):
+        datas = super(AccountWizard, self).get_formated_datas(forms)
+        for form in forms:
+            if not hasattr(form, "cleaned_data"):
+                continue
+            for key in form.cleaned_data:
+                if key == 'hidden_password' and form.cleaned_data[key]:
+                    datas[-1][1].append((_("New password"), "*"*8))
+        return datas
+
+    def done(self, form_list, **kwargs):
+        """
+        Save the account
+        """
+        dct = {}
+        for form in form_list:
+            if not form.is_valid():
+                return self.render(form)
+            associated_models = hasattr(form, 'associated_models') and \
+                                form.associated_models or {}
+            if type(form.cleaned_data) == dict:
+                for key in form.cleaned_data:
+                    if key == 'pk':
+                        continue
+                    value = form.cleaned_data[key]
+                    if key in associated_models and value:
+                        value = associated_models[key].objects.get(pk=value)
+                    dct[key] = value
+        person = self.get_current_object()
+        if not person:
+            return self.render(form)
+        for key in dct.keys():
+            if key.startswith('hidden_password'):
+                dct['password'] = dct.pop(key)
+        try:
+            account = models.IshtarUser.objects.get(person=person)
+            account.username = dct['username']
+            account.email = dct['email']
+        except ObjectDoesNotExist:
+            now = datetime.datetime.now()
+            account = models.IshtarUser(person=person, username=dct['username'],
+                    email=dct['email'], first_name=person.surname,
+                    last_name=person.name, is_staff=False, is_active=True,
+                    is_superuser=False, last_login=now, date_joined=now)
+        if dct['password']:
+            account.set_password(dct['password'])
+        account.save()
+
+        if 'send_password' in dct and dct['send_password'] and \
+           settings.ADMINS:
+            site = Site.objects.get_current()
+
+            app_name = site and ("Ishtar - " + site.name) \
+                       or "Ishtar"
+            context = Context({'login':dct['username'],
+                               'password':dct['password'],
+                               'app_name':app_name,
+                               'site': site and site.domain or ""
+                              })
+            t = loader.get_template('account_activation_email.txt')
+            msg = t.render(context)
+            subject = _(u"[%(app_name)s] Account creation/modification") % {
+                                                           "app_name":app_name}
+            send_mail(subject, msg, settings.ADMINS[0][1],
+                      [dct['email']], fail_silently=True)
+        res = render_to_response('wizard_done.html', {},
+                                  context_instance=RequestContext(self.request))
+        return res
+
+    def get_form(self, step=None, data=None, files=None):
+        """
+        Display the "Send email" field if necessary
+        """
+        form = super(AccountWizard, self).get_form(step, data, files)
+        if not hasattr(form, 'is_hidden'):
+            return form
+        if self.session_get_value(self.request, self.storage,
+                               'account-account_management', 'hidden_password'):
+            form.is_hidden = False
+        return form
+
+class SourceWizard(Wizard):
+    model = None
+    def get_extra_model(self, dct, request, storage, form_list):
+        dct = super(SourceWizard, self).get_extra_model(dct, request, storage,
+                                                        form_list)
+        if 'history_modifier' in dct:
+            dct.pop('history_modifier')
+        return dct