Add relation between operations

5 files changed, 697 insertions, 61 deletions

diff --git a/archaeological_context_records/models.py b/archaeological_context_records/models.py
index 81120d1f7..9c5cf52f4 100644
--- a/archaeological_context_records/models.py
+++ b/archaeological_context_records/models.py
@@ -25,7 +25,8 @@ from django.db.models.signals import post_delete
 from django.utils.translation import ugettext_lazy as _, ugettext, pgettext
 
 from ishtar_common.models import GeneralType, BaseHistorizedItem, \
-    HistoricalRecords, OwnPerms, ShortMenuItem, Source
+    HistoricalRecords, OwnPerms, ShortMenuItem, Source, GeneralRelationType,\
+    GeneralRecordRelations, post_delete_record_relation
 from archaeological_operations.models import Operation, Period, Parcel
 
 
@@ -273,9 +274,7 @@ class ContextRecord(BaseHistorizedItem, OwnPerms, ShortMenuItem):
         return FindSource.objects.filter(find__base_finds__context_record=self)
 
 
-class RelationType(GeneralType):
-    order = models.IntegerField(_(u"Order"), default=1)
-    symmetrical = models.BooleanField(_(u"Symmetrical"))
+class RelationType(GeneralRelationType):
     inverse_relation = models.ForeignKey(
         'RelationType', verbose_name=_(u"Inverse relation"), blank=True,
         null=True)
@@ -285,26 +284,7 @@ class RelationType(GeneralType):
         verbose_name_plural = _(u"Relation types")
         ordering = ('order',)
 
-    def clean(self):
-        # cannot have symmetrical and an inverse_relation
-        if self.symmetrical and self.inverse_relation:
-            raise ValidationError(
-                _(u"Cannot have symmetrical and an inverse_relation"))
-
-    def save(self, *args, **kwargs):
-        obj = super(RelationType, self).save(*args, **kwargs)
-        # after saving check that the inverse_relation of the inverse_relation
-        # point to the saved object
-        if self.inverse_relation \
-           and (not self.inverse_relation.inverse_relation
-                or self.inverse_relation.inverse_relation != self):
-            self.inverse_relation.inverse_relation = self
-            self.inverse_relation.symmetrical = False
-            self.inverse_relation.save()
-        return obj
-
-
-class RecordRelations(models.Model):
+class RecordRelations(GeneralRecordRelations, models.Model):
     left_record = models.ForeignKey(ContextRecord,
                                     related_name='right_relations')
     right_record = models.ForeignKey(ContextRecord,
@@ -315,40 +295,6 @@ class RecordRelations(models.Model):
         verbose_name = _(u"Record relation")
         verbose_name_plural = _(u"Record relations")
 
-    def save(self, *args, **kwargs):
-        super(RecordRelations, self).save(*args, **kwargs)
-
-        # after saving create the symetric or the inverse relation
-
-        sym_rel_type = self.relation_type
-        if not self.relation_type.symmetrical:
-            sym_rel_type = self.relation_type.inverse_relation
-
-        # no symetric/inverse is defined
-        if not sym_rel_type:
-            return
-
-        dct = {'right_record': self.left_record,
-               'left_record': self.right_record, 'relation_type': sym_rel_type}
-        RecordRelations.objects.get_or_create(**dct)
-        return self
-
-
-def post_delete_record_relation(sender, instance, **kwargs):
-    # delete symmetrical or inverse relation
-    sym_rel_type = instance.relation_type
-    if not instance.relation_type.symmetrical:
-        sym_rel_type = instance.relation_type.inverse_relation
-
-    # no symetric/inverse is defined
-    if not sym_rel_type:
-        return
-
-    dct = {'right_record': instance.left_record,
-           'left_record': instance.right_record,
-           'relation_type': sym_rel_type}
-    RecordRelations.objects.filter(**dct).delete()
-
 post_delete.connect(post_delete_record_relation, sender=RecordRelations)
 
 
diff --git a/archaeological_operations/admin.py b/archaeological_operations/admin.py
index 3374bcef7..42f63fdcd 100644
--- a/archaeological_operations/admin.py
+++ b/archaeological_operations/admin.py
@@ -36,6 +36,7 @@ if FILES_AVAILABLE:
 
     admin.site.register(models.AdministrativeAct, AdministrativeActAdmin)
 
+
 class PeriodAdmin(admin.ModelAdmin):
     list_display = ('label', 'start_date', 'end_date', 'parent', 'available',
                     'order')
@@ -44,6 +45,7 @@ class PeriodAdmin(admin.ModelAdmin):
 
 admin.site.register(models.Period, PeriodAdmin)
 
+
 class ArchaeologicalSiteAdmin(HistorizedObjectAdmin):
     list_display = ('name', 'reference')
     search_fields = ('name', 'reference')
@@ -51,6 +53,7 @@ class ArchaeologicalSiteAdmin(HistorizedObjectAdmin):
 
 admin.site.register(models.ArchaeologicalSite, ArchaeologicalSiteAdmin)
 
+
 class OperationAdmin(HistorizedObjectAdmin):
     list_display = ['year', 'operation_code', 'start_date',
                     'excavation_end_date', 'end_date',
@@ -64,6 +67,7 @@ class OperationAdmin(HistorizedObjectAdmin):
 
 admin.site.register(models.Operation, OperationAdmin)
 
+
 class OperationSourceAdmin(admin.ModelAdmin):
     list_display = ('operation', 'title', 'source_type',)
     list_filter = ('source_type',)
@@ -72,8 +76,9 @@ class OperationSourceAdmin(admin.ModelAdmin):
 
 admin.site.register(models.OperationSource, OperationSourceAdmin)
 
+
 class ParcelAdmin(HistorizedObjectAdmin):
-    list_display = ['section', 'parcel_number', 'operation',]
+    list_display = ['section', 'parcel_number', 'operation']
     if FILES_AVAILABLE:
         list_display.append('associated_file')
     search_fields = ('operation__name',)
@@ -81,12 +86,27 @@ class ParcelAdmin(HistorizedObjectAdmin):
 
 admin.site.register(models.Parcel, ParcelAdmin)
 
+
 class OperationTypeAdmin(GeneralTypeAdmin):
     list_display = GeneralTypeAdmin.list_display + ['order', 'preventive']
     model = models.OperationType
 
 admin.site.register(models.OperationType, OperationTypeAdmin)
 
+
+class RecordRelationsAdmin(admin.ModelAdmin):
+    list_display = ('left_record', 'relation_type', 'right_record')
+    list_filter = ('relation_type',)
+
+admin.site.register(models.RecordRelations, RecordRelationsAdmin)
+
+
+class RelationTypeAdmin(admin.ModelAdmin):
+    list_display = ('label', 'txt_idx', 'available', 'symmetrical',
+                    'inverse_relation')
+
+admin.site.register(models.RelationType, RelationTypeAdmin)
+
 general_models = [models.RemainType, models.ActType]
 for model in general_models:
     admin.site.register(model, GeneralTypeAdmin)
diff --git a/archaeological_operations/migrations/0039_auto__add_recordrelations__add_relationtype.py b/archaeological_operations/migrations/0039_auto__add_recordrelations__add_relationtype.py
new file mode 100644
index 000000000..ba75d27ad
--- /dev/null
+++ b/archaeological_operations/migrations/0039_auto__add_recordrelations__add_relationtype.py
@@ -0,0 +1,578 @@
+# -*- coding: utf-8 -*-
+import datetime
+from south.db import db
+from south.v2 import SchemaMigration
+from django.db import models
+
+
+class Migration(SchemaMigration):
+
+    def forwards(self, orm):
+        # Adding model 'RecordRelations'
+        db.create_table('archaeological_operations_recordrelations', (
+            ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
+            ('left_record', self.gf('django.db.models.fields.related.ForeignKey')(related_name='right_relations', to=orm['archaeological_operations.Operation'])),
+            ('right_record', self.gf('django.db.models.fields.related.ForeignKey')(related_name='left_relations', to=orm['archaeological_operations.Operation'])),
+            ('relation_type', self.gf('django.db.models.fields.related.ForeignKey')(to=orm['archaeological_operations.RelationType'])),
+        ))
+        db.send_create_signal('archaeological_operations', ['RecordRelations'])
+
+        # Adding model 'RelationType'
+        db.create_table('archaeological_operations_relationtype', (
+            ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
+            ('label', self.gf('django.db.models.fields.CharField')(max_length=100)),
+            ('txt_idx', self.gf('django.db.models.fields.CharField')(unique=True, max_length=100)),
+            ('comment', self.gf('django.db.models.fields.TextField')(null=True, blank=True)),
+            ('available', self.gf('django.db.models.fields.BooleanField')(default=True)),
+            ('order', self.gf('django.db.models.fields.IntegerField')(default=1)),
+            ('symmetrical', self.gf('django.db.models.fields.BooleanField')(default=False)),
+            ('inverse_relation', self.gf('django.db.models.fields.related.ForeignKey')(to=orm['archaeological_operations.RelationType'], null=True, blank=True)),
+        ))
+        db.send_create_signal('archaeological_operations', ['RelationType'])
+
+
+    def backwards(self, orm):
+        # Deleting model 'RecordRelations'
+        db.delete_table('archaeological_operations_recordrelations')
+
+        # Deleting model 'RelationType'
+        db.delete_table('archaeological_operations_relationtype')
+
+
+    models = {
+        'archaeological_files.file': {
+            'Meta': {'ordering': "('cached_label',)", 'object_name': 'File'},
+            'address': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'cached_label': ('django.db.models.fields.CharField', [], {'max_length': '500', 'null': 'True', 'blank': 'True'}),
+            'cira_advised': ('django.db.models.fields.NullBooleanField', [], {'null': 'True', 'blank': 'True'}),
+            'classified_area': ('django.db.models.fields.NullBooleanField', [], {'null': 'True', 'blank': 'True'}),
+            'comment': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'corporation_general_contractor': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'general_contractor_files'", 'null': 'True', 'on_delete': 'models.SET_NULL', 'to': "orm['ishtar_common.Organization']"}),
+            'creation_date': ('django.db.models.fields.DateField', [], {'default': 'datetime.date.today'}),
+            'departments': ('django.db.models.fields.related.ManyToManyField', [], {'symmetrical': 'False', 'to': "orm['ishtar_common.Department']", 'null': 'True', 'blank': 'True'}),
+            'end_date': ('django.db.models.fields.DateField', [], {'null': 'True', 'blank': 'True'}),
+            'file_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['archaeological_files.FileType']"}),
+            'general_contractor': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'general_contractor_files'", 'null': 'True', 'on_delete': 'models.SET_NULL', 'to': "orm['ishtar_common.Person']"}),
+            'history_creator': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'+'", 'null': 'True', 'on_delete': 'models.SET_NULL', 'to': "orm['auth.User']"}),
+            'history_modifier': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'+'", 'null': 'True', 'on_delete': 'models.SET_NULL', 'to': "orm['auth.User']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'imported_line': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'imports': ('django.db.models.fields.related.ManyToManyField', [], {'blank': 'True', 'related_name': "'imported_archaeological_files_file'", 'null': 'True', 'symmetrical': 'False', 'to': "orm['ishtar_common.Import']"}),
+            'in_charge': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'file_responsability'", 'null': 'True', 'on_delete': 'models.SET_NULL', 'to': "orm['ishtar_common.Person']"}),
+            'instruction_deadline': ('django.db.models.fields.DateField', [], {'null': 'True', 'blank': 'True'}),
+            'internal_reference': ('django.db.models.fields.CharField', [], {'max_length': '60', 'null': 'True', 'blank': 'True'}),
+            'locality': ('django.db.models.fields.CharField', [], {'max_length': '100', 'null': 'True', 'blank': 'True'}),
+            'main_town': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'file_main'", 'null': 'True', 'to': "orm['ishtar_common.Town']"}),
+            'mh_listing': ('django.db.models.fields.NullBooleanField', [], {'null': 'True', 'blank': 'True'}),
+            'mh_register': ('django.db.models.fields.NullBooleanField', [], {'null': 'True', 'blank': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '100', 'null': 'True', 'blank': 'True'}),
+            'numeric_reference': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'organization': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'files'", 'null': 'True', 'on_delete': 'models.SET_NULL', 'to': "orm['ishtar_common.Organization']"}),
+            'permit_reference': ('django.db.models.fields.CharField', [], {'max_length': '60', 'null': 'True', 'blank': 'True'}),
+            'permit_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['archaeological_files.PermitType']", 'null': 'True', 'blank': 'True'}),
+            'planning_service': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'planning_service_files'", 'null': 'True', 'on_delete': 'models.SET_NULL', 'to': "orm['ishtar_common.Organization']"}),
+            'postal_code': ('django.db.models.fields.CharField', [], {'max_length': '10', 'null': 'True', 'blank': 'True'}),
+            'protected_area': ('django.db.models.fields.NullBooleanField', [], {'null': 'True', 'blank': 'True'}),
+            'raw_general_contractor': ('django.db.models.fields.CharField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'}),
+            'raw_town_planning_service': ('django.db.models.fields.CharField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'}),
+            'reception_date': ('django.db.models.fields.DateField', [], {'null': 'True', 'blank': 'True'}),
+            'reference_number': ('django.db.models.fields.BigIntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'related_file': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['archaeological_files.File']", 'null': 'True', 'blank': 'True'}),
+            'requested_operation_type': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'+'", 'null': 'True', 'to': "orm['archaeological_operations.OperationType']"}),
+            'research_comment': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'responsible_town_planning_service': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'responsible_town_planning_service_files'", 'null': 'True', 'on_delete': 'models.SET_NULL', 'to': "orm['ishtar_common.Person']"}),
+            'saisine_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['archaeological_files.SaisineType']", 'null': 'True', 'blank': 'True'}),
+            'scientist': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'scientist'", 'null': 'True', 'on_delete': 'models.SET_NULL', 'to': "orm['ishtar_common.Person']"}),
+            'total_developed_surface': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'total_surface': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'towns': ('django.db.models.fields.related.ManyToManyField', [], {'related_name': "'file'", 'symmetrical': 'False', 'to': "orm['ishtar_common.Town']"}),
+            'year': ('django.db.models.fields.IntegerField', [], {'default': '2015'})
+        },
+        'archaeological_files.filetype': {
+            'Meta': {'ordering': "('label',)", 'object_name': 'FileType'},
+            'available': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'comment': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'txt_idx': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '100'})
+        },
+        'archaeological_files.permittype': {
+            'Meta': {'ordering': "('label',)", 'object_name': 'PermitType'},
+            'available': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'comment': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'txt_idx': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '100'})
+        },
+        'archaeological_files.saisinetype': {
+            'Meta': {'ordering': "('label',)", 'object_name': 'SaisineType'},
+            'available': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'comment': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'delay': ('django.db.models.fields.IntegerField', [], {'default': '30'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'txt_idx': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '100'})
+        },
+        'archaeological_operations.acttype': {
+            'Meta': {'ordering': "('label',)", 'object_name': 'ActType'},
+            'associated_template': ('django.db.models.fields.related.ManyToManyField', [], {'blank': 'True', 'related_name': "'acttypes'", 'null': 'True', 'symmetrical': 'False', 'to': "orm['ishtar_common.DocumentTemplate']"}),
+            'available': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'code': ('django.db.models.fields.CharField', [], {'max_length': '10', 'null': 'True', 'blank': 'True'}),
+            'comment': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'indexed': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'intented_to': ('django.db.models.fields.CharField', [], {'max_length': '1'}),
+            'label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'txt_idx': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '100'})
+        },
+        'archaeological_operations.administrativeact': {
+            'Meta': {'ordering': "('year', 'signature_date', 'index', 'act_type')", 'object_name': 'AdministrativeAct'},
+            'act_object': ('django.db.models.fields.TextField', [], {'max_length': '300', 'null': 'True', 'blank': 'True'}),
+            'act_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['archaeological_operations.ActType']"}),
+            'associated_file': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'administrative_act'", 'null': 'True', 'to': "orm['archaeological_files.File']"}),
+            'history_creator': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'+'", 'null': 'True', 'on_delete': 'models.SET_NULL', 'to': "orm['auth.User']"}),
+            'history_modifier': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'+'", 'null': 'True', 'on_delete': 'models.SET_NULL', 'to': "orm['auth.User']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'imports': ('django.db.models.fields.related.ManyToManyField', [], {'blank': 'True', 'related_name': "'imported_archaeological_operations_administrativeact'", 'null': 'True', 'symmetrical': 'False', 'to': "orm['ishtar_common.Import']"}),
+            'in_charge': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'adminact_operation_in_charge'", 'null': 'True', 'on_delete': 'models.SET_NULL', 'to': "orm['ishtar_common.Person']"}),
+            'index': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'operation': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'administrative_act'", 'null': 'True', 'to': "orm['archaeological_operations.Operation']"}),
+            'operator': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'adminact_operator'", 'null': 'True', 'on_delete': 'models.SET_NULL', 'to': "orm['ishtar_common.Organization']"}),
+            'ref_sra': ('django.db.models.fields.CharField', [], {'max_length': '15', 'null': 'True', 'blank': 'True'}),
+            'scientist': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'adminact_scientist'", 'null': 'True', 'on_delete': 'models.SET_NULL', 'to': "orm['ishtar_common.Person']"}),
+            'signatory': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'signatory'", 'null': 'True', 'on_delete': 'models.SET_NULL', 'to': "orm['ishtar_common.Person']"}),
+            'signature_date': ('django.db.models.fields.DateField', [], {'null': 'True', 'blank': 'True'}),
+            'year': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'})
+        },
+        'archaeological_operations.archaeologicalsite': {
+            'Meta': {'object_name': 'ArchaeologicalSite'},
+            'history_creator': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'+'", 'null': 'True', 'on_delete': 'models.SET_NULL', 'to': "orm['auth.User']"}),
+            'history_modifier': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'+'", 'null': 'True', 'on_delete': 'models.SET_NULL', 'to': "orm['auth.User']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'imports': ('django.db.models.fields.related.ManyToManyField', [], {'blank': 'True', 'related_name': "'imported_archaeological_operations_archaeologicalsite'", 'null': 'True', 'symmetrical': 'False', 'to': "orm['ishtar_common.Import']"}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'}),
+            'periods': ('django.db.models.fields.related.ManyToManyField', [], {'symmetrical': 'False', 'to': "orm['archaeological_operations.Period']", 'null': 'True', 'blank': 'True'}),
+            'reference': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '20'}),
+            'remains': ('django.db.models.fields.related.ManyToManyField', [], {'symmetrical': 'False', 'to': "orm['archaeological_operations.RemainType']", 'null': 'True', 'blank': 'True'})
+        },
+        'archaeological_operations.historicaladministrativeact': {
+            'Meta': {'ordering': "('-history_date', '-history_id')", 'object_name': 'HistoricalAdministrativeAct'},
+            'act_object': ('django.db.models.fields.TextField', [], {'max_length': '300', 'null': 'True', 'blank': 'True'}),
+            'act_type_id': ('django.db.models.fields.IntegerField', [], {'db_index': 'True', 'null': 'True', 'blank': 'True'}),
+            'associated_file_id': ('django.db.models.fields.IntegerField', [], {'db_index': 'True', 'null': 'True', 'blank': 'True'}),
+            'history_creator_id': ('django.db.models.fields.IntegerField', [], {'db_index': 'True', 'null': 'True', 'blank': 'True'}),
+            'history_date': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
+            'history_id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'history_modifier_id': ('django.db.models.fields.IntegerField', [], {'db_index': 'True', 'null': 'True', 'blank': 'True'}),
+            'history_type': ('django.db.models.fields.CharField', [], {'max_length': '1'}),
+            'history_user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'null': 'True'}),
+            'id': ('django.db.models.fields.IntegerField', [], {'db_index': 'True', 'blank': 'True'}),
+            'in_charge_id': ('django.db.models.fields.IntegerField', [], {'db_index': 'True', 'null': 'True', 'blank': 'True'}),
+            'index': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'operation_id': ('django.db.models.fields.IntegerField', [], {'db_index': 'True', 'null': 'True', 'blank': 'True'}),
+            'operator_id': ('django.db.models.fields.IntegerField', [], {'db_index': 'True', 'null': 'True', 'blank': 'True'}),
+            'ref_sra': ('django.db.models.fields.CharField', [], {'max_length': '15', 'null': 'True', 'blank': 'True'}),
+            'scientist_id': ('django.db.models.fields.IntegerField', [], {'db_index': 'True', 'null': 'True', 'blank': 'True'}),
+            'signatory_id': ('django.db.models.fields.IntegerField', [], {'db_index': 'True', 'null': 'True', 'blank': 'True'}),
+            'signature_date': ('django.db.models.fields.DateField', [], {'null': 'True', 'blank': 'True'}),
+            'year': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'})
+        },
+        'archaeological_operations.historicaloperation': {
+            'Meta': {'ordering': "('-history_date', '-history_id')", 'object_name': 'HistoricalOperation'},
+            'associated_file_id': ('django.db.models.fields.IntegerField', [], {'db_index': 'True', 'null': 'True', 'blank': 'True'}),
+            'cached_label': ('django.db.models.fields.CharField', [], {'max_length': '500', 'null': 'True', 'blank': 'True'}),
+            'cira_date': ('django.db.models.fields.DateField', [], {'null': 'True', 'blank': 'True'}),
+            'cira_rapporteur_id': ('django.db.models.fields.IntegerField', [], {'db_index': 'True', 'null': 'True', 'blank': 'True'}),
+            'code_dracar': ('django.db.models.fields.CharField', [], {'max_length': '10', 'null': 'True', 'blank': 'True'}),
+            'code_patriarche': ('django.db.models.fields.IntegerField', [], {'db_index': 'True', 'null': 'True', 'blank': 'True'}),
+            'comment': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'common_name': ('django.db.models.fields.CharField', [], {'max_length': '120', 'null': 'True', 'blank': 'True'}),
+            'cost': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'creation_date': ('django.db.models.fields.DateField', [], {'default': 'datetime.date.today'}),
+            'eas_number': ('django.db.models.fields.CharField', [], {'max_length': '20', 'null': 'True', 'blank': 'True'}),
+            'effective_man_days': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'end_date': ('django.db.models.fields.DateField', [], {'null': 'True', 'blank': 'True'}),
+            'excavation_end_date': ('django.db.models.fields.DateField', [], {'null': 'True', 'blank': 'True'}),
+            'fnap_cost': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'fnap_financing': ('django.db.models.fields.FloatField', [], {'null': 'True', 'blank': 'True'}),
+            'geoarchaeological_context_prescription': ('django.db.models.fields.NullBooleanField', [], {'null': 'True', 'blank': 'True'}),
+            'history_creator_id': ('django.db.models.fields.IntegerField', [], {'db_index': 'True', 'null': 'True', 'blank': 'True'}),
+            'history_date': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
+            'history_id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'history_modifier_id': ('django.db.models.fields.IntegerField', [], {'db_index': 'True', 'null': 'True', 'blank': 'True'}),
+            'history_type': ('django.db.models.fields.CharField', [], {'max_length': '1'}),
+            'history_user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'null': 'True'}),
+            'id': ('django.db.models.fields.IntegerField', [], {'db_index': 'True', 'blank': 'True'}),
+            'in_charge_id': ('django.db.models.fields.IntegerField', [], {'db_index': 'True', 'null': 'True', 'blank': 'True'}),
+            'large_area_prescription': ('django.db.models.fields.NullBooleanField', [], {'null': 'True', 'blank': 'True'}),
+            'negative_result': ('django.db.models.fields.NullBooleanField', [], {'null': 'True', 'blank': 'True'}),
+            'operation_code': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'operation_type_id': ('django.db.models.fields.IntegerField', [], {'db_index': 'True', 'null': 'True', 'blank': 'True'}),
+            'operator_id': ('django.db.models.fields.IntegerField', [], {'db_index': 'True', 'null': 'True', 'blank': 'True'}),
+            'operator_reference': ('django.db.models.fields.CharField', [], {'max_length': '20', 'null': 'True', 'blank': 'True'}),
+            'optional_man_days': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'report_delivery_date': ('django.db.models.fields.DateField', [], {'null': 'True', 'blank': 'True'}),
+            'scheduled_man_days': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'scientist_id': ('django.db.models.fields.IntegerField', [], {'db_index': 'True', 'null': 'True', 'blank': 'True'}),
+            'start_date': ('django.db.models.fields.DateField', [], {'null': 'True', 'blank': 'True'}),
+            'surface': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'year': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'zoning_prescription': ('django.db.models.fields.NullBooleanField', [], {'null': 'True', 'blank': 'True'})
+        },
+        'archaeological_operations.operation': {
+            'Meta': {'ordering': "('cached_label',)", 'object_name': 'Operation'},
+            'archaeological_sites': ('django.db.models.fields.related.ManyToManyField', [], {'symmetrical': 'False', 'to': "orm['archaeological_operations.ArchaeologicalSite']", 'null': 'True', 'blank': 'True'}),
+            'associated_file': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'operations'", 'null': 'True', 'to': "orm['archaeological_files.File']"}),
+            'cached_label': ('django.db.models.fields.CharField', [], {'max_length': '500', 'null': 'True', 'blank': 'True'}),
+            'cira_date': ('django.db.models.fields.DateField', [], {'null': 'True', 'blank': 'True'}),
+            'cira_rapporteur': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'cira_rapporteur'", 'null': 'True', 'on_delete': 'models.SET_NULL', 'to': "orm['ishtar_common.Person']"}),
+            'code_dracar': ('django.db.models.fields.CharField', [], {'max_length': '10', 'null': 'True', 'blank': 'True'}),
+            'code_patriarche': ('django.db.models.fields.IntegerField', [], {'unique': 'True', 'null': 'True', 'blank': 'True'}),
+            'comment': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'common_name': ('django.db.models.fields.CharField', [], {'max_length': '120', 'null': 'True', 'blank': 'True'}),
+            'cost': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'creation_date': ('django.db.models.fields.DateField', [], {'default': 'datetime.date.today'}),
+            'eas_number': ('django.db.models.fields.CharField', [], {'max_length': '20', 'null': 'True', 'blank': 'True'}),
+            'effective_man_days': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'end_date': ('django.db.models.fields.DateField', [], {'null': 'True', 'blank': 'True'}),
+            'excavation_end_date': ('django.db.models.fields.DateField', [], {'null': 'True', 'blank': 'True'}),
+            'fnap_cost': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'fnap_financing': ('django.db.models.fields.FloatField', [], {'null': 'True', 'blank': 'True'}),
+            'geoarchaeological_context_prescription': ('django.db.models.fields.NullBooleanField', [], {'null': 'True', 'blank': 'True'}),
+            'history_creator': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'+'", 'null': 'True', 'on_delete': 'models.SET_NULL', 'to': "orm['auth.User']"}),
+            'history_modifier': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'+'", 'null': 'True', 'on_delete': 'models.SET_NULL', 'to': "orm['auth.User']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'imports': ('django.db.models.fields.related.ManyToManyField', [], {'blank': 'True', 'related_name': "'imported_archaeological_operations_operation'", 'null': 'True', 'symmetrical': 'False', 'to': "orm['ishtar_common.Import']"}),
+            'in_charge': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'operation_responsability'", 'null': 'True', 'on_delete': 'models.SET_NULL', 'to': "orm['ishtar_common.Person']"}),
+            'large_area_prescription': ('django.db.models.fields.NullBooleanField', [], {'null': 'True', 'blank': 'True'}),
+            'negative_result': ('django.db.models.fields.NullBooleanField', [], {'null': 'True', 'blank': 'True'}),
+            'operation_code': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'operation_type': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'+'", 'to': "orm['archaeological_operations.OperationType']"}),
+            'operator': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'operator'", 'null': 'True', 'on_delete': 'models.SET_NULL', 'to': "orm['ishtar_common.Organization']"}),
+            'operator_reference': ('django.db.models.fields.CharField', [], {'max_length': '20', 'null': 'True', 'blank': 'True'}),
+            'optional_man_days': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'periods': ('django.db.models.fields.related.ManyToManyField', [], {'symmetrical': 'False', 'to': "orm['archaeological_operations.Period']", 'null': 'True', 'blank': 'True'}),
+            'remains': ('django.db.models.fields.related.ManyToManyField', [], {'symmetrical': 'False', 'to': "orm['archaeological_operations.RemainType']", 'null': 'True', 'blank': 'True'}),
+            'report_delivery_date': ('django.db.models.fields.DateField', [], {'null': 'True', 'blank': 'True'}),
+            'scheduled_man_days': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'scientist': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'operation_scientist_responsability'", 'null': 'True', 'on_delete': 'models.SET_NULL', 'to': "orm['ishtar_common.Person']"}),
+            'start_date': ('django.db.models.fields.DateField', [], {'null': 'True', 'blank': 'True'}),
+            'surface': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'towns': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['ishtar_common.Town']", 'symmetrical': 'False'}),
+            'year': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'zoning_prescription': ('django.db.models.fields.NullBooleanField', [], {'null': 'True', 'blank': 'True'})
+        },
+        'archaeological_operations.operationbydepartment': {
+            'Meta': {'object_name': 'OperationByDepartment', 'db_table': "'operation_department'", 'managed': 'False'},
+            'department': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['ishtar_common.Department']", 'null': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'operation': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['archaeological_operations.Operation']"})
+        },
+        'archaeological_operations.operationsource': {
+            'Meta': {'object_name': 'OperationSource'},
+            'additional_information': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'associated_url': ('django.db.models.fields.URLField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'}),
+            'authors': ('django.db.models.fields.related.ManyToManyField', [], {'related_name': "'operationsource_related'", 'symmetrical': 'False', 'to': "orm['ishtar_common.Author']"}),
+            'comment': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'creation_date': ('django.db.models.fields.DateField', [], {'null': 'True', 'blank': 'True'}),
+            'description': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'external_id': ('django.db.models.fields.CharField', [], {'max_length': '12', 'null': 'True', 'blank': 'True'}),
+            'format_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['ishtar_common.Format']", 'null': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'index': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'internal_reference': ('django.db.models.fields.CharField', [], {'max_length': '25', 'null': 'True', 'blank': 'True'}),
+            'item_number': ('django.db.models.fields.IntegerField', [], {'default': '1'}),
+            'operation': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'source'", 'to': "orm['archaeological_operations.Operation']"}),
+            'receipt_date': ('django.db.models.fields.DateField', [], {'null': 'True', 'blank': 'True'}),
+            'reference': ('django.db.models.fields.CharField', [], {'max_length': '25', 'null': 'True', 'blank': 'True'}),
+            'scale': ('django.db.models.fields.CharField', [], {'max_length': '30', 'null': 'True', 'blank': 'True'}),
+            'source_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['ishtar_common.SourceType']"}),
+            'support_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['ishtar_common.SupportType']", 'null': 'True', 'blank': 'True'}),
+            'title': ('django.db.models.fields.CharField', [], {'max_length': '300'})
+        },
+        'archaeological_operations.operationtype': {
+            'Meta': {'ordering': "['-preventive', 'order', 'label']", 'object_name': 'OperationType'},
+            'available': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'comment': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'order': ('django.db.models.fields.IntegerField', [], {'default': '1'}),
+            'preventive': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'txt_idx': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '100'})
+        },
+        'archaeological_operations.parcel': {
+            'Meta': {'ordering': "('year', 'section', 'parcel_number')", 'object_name': 'Parcel'},
+            'address': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'associated_file': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'parcels'", 'null': 'True', 'to': "orm['archaeological_files.File']"}),
+            'external_id': ('django.db.models.fields.CharField', [], {'max_length': '12', 'null': 'True', 'blank': 'True'}),
+            'history_creator': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'+'", 'null': 'True', 'on_delete': 'models.SET_NULL', 'to': "orm['auth.User']"}),
+            'history_date': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'history_modifier': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'+'", 'null': 'True', 'on_delete': 'models.SET_NULL', 'to': "orm['auth.User']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'imports': ('django.db.models.fields.related.ManyToManyField', [], {'blank': 'True', 'related_name': "'imported_archaeological_operations_parcel'", 'null': 'True', 'symmetrical': 'False', 'to': "orm['ishtar_common.Import']"}),
+            'operation': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'parcels'", 'null': 'True', 'to': "orm['archaeological_operations.Operation']"}),
+            'parcel_number': ('django.db.models.fields.CharField', [], {'max_length': '6', 'null': 'True', 'blank': 'True'}),
+            'section': ('django.db.models.fields.CharField', [], {'max_length': '4'}),
+            'town': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'parcels'", 'to': "orm['ishtar_common.Town']"}),
+            'year': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'})
+        },
+        'archaeological_operations.parcelowner': {
+            'Meta': {'object_name': 'ParcelOwner'},
+            'end_date': ('django.db.models.fields.DateField', [], {}),
+            'history_creator': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'+'", 'null': 'True', 'on_delete': 'models.SET_NULL', 'to': "orm['auth.User']"}),
+            'history_date': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'history_modifier': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'+'", 'null': 'True', 'on_delete': 'models.SET_NULL', 'to': "orm['auth.User']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'imports': ('django.db.models.fields.related.ManyToManyField', [], {'blank': 'True', 'related_name': "'imported_archaeological_operations_parcelowner'", 'null': 'True', 'symmetrical': 'False', 'to': "orm['ishtar_common.Import']"}),
+            'owner': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'parcel_owner'", 'to': "orm['ishtar_common.Person']"}),
+            'parcel': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'owners'", 'to': "orm['archaeological_operations.Parcel']"}),
+            'start_date': ('django.db.models.fields.DateField', [], {})
+        },
+        'archaeological_operations.period': {
+            'Meta': {'ordering': "('order',)", 'object_name': 'Period'},
+            'available': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'comment': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'end_date': ('django.db.models.fields.IntegerField', [], {}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'order': ('django.db.models.fields.IntegerField', [], {}),
+            'parent': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['archaeological_operations.Period']", 'null': 'True', 'blank': 'True'}),
+            'start_date': ('django.db.models.fields.IntegerField', [], {}),
+            'txt_idx': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '100'})
+        },
+        'archaeological_operations.recordrelations': {
+            'Meta': {'object_name': 'RecordRelations'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'left_record': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'right_relations'", 'to': "orm['archaeological_operations.Operation']"}),
+            'relation_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['archaeological_operations.RelationType']"}),
+            'right_record': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'left_relations'", 'to': "orm['archaeological_operations.Operation']"})
+        },
+        'archaeological_operations.relationtype': {
+            'Meta': {'ordering': "('order',)", 'object_name': 'RelationType'},
+            'available': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'comment': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'inverse_relation': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['archaeological_operations.RelationType']", 'null': 'True', 'blank': 'True'}),
+            'label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'order': ('django.db.models.fields.IntegerField', [], {'default': '1'}),
+            'symmetrical': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'txt_idx': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '100'})
+        },
+        'archaeological_operations.remaintype': {
+            'Meta': {'ordering': "('label',)", 'object_name': 'RemainType'},
+            'available': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'comment': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'txt_idx': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '100'})
+        },
+        'auth.group': {
+            'Meta': {'object_name': 'Group'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),
+            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
+        },
+        'auth.permission': {
+            'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
+            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
+        },
+        'auth.user': {
+            'Meta': {'object_name': 'User'},
+            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
+            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
+            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
+            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
+            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
+            'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
+        },
+        'contenttypes.contenttype': {
+            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
+            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
+        },
+        'ishtar_common.arrondissement': {
+            'Meta': {'object_name': 'Arrondissement'},
+            'department': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['ishtar_common.Department']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '30'})
+        },
+        'ishtar_common.author': {
+            'Meta': {'object_name': 'Author'},
+            'author_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['ishtar_common.AuthorType']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'person': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'author'", 'to': "orm['ishtar_common.Person']"})
+        },
+        'ishtar_common.authortype': {
+            'Meta': {'object_name': 'AuthorType'},
+            'available': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'comment': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'txt_idx': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '100'})
+        },
+        'ishtar_common.canton': {
+            'Meta': {'object_name': 'Canton'},
+            'arrondissement': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['ishtar_common.Arrondissement']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '30'})
+        },
+        'ishtar_common.department': {
+            'Meta': {'ordering': "['number']", 'object_name': 'Department'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'label': ('django.db.models.fields.CharField', [], {'max_length': '30'}),
+            'number': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '3'}),
+            'state': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['ishtar_common.State']", 'null': 'True', 'blank': 'True'})
+        },
+        'ishtar_common.documenttemplate': {
+            'Meta': {'ordering': "['associated_object_name', 'name']", 'object_name': 'DocumentTemplate'},
+            'associated_object_name': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'available': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'template': ('django.db.models.fields.files.FileField', [], {'max_length': '100'})
+        },
+        'ishtar_common.format': {
+            'Meta': {'object_name': 'Format'},
+            'available': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'comment': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'txt_idx': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '100'})
+        },
+        'ishtar_common.import': {
+            'Meta': {'object_name': 'Import'},
+            'creation_date': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'null': 'True', 'blank': 'True'}),
+            'encoding': ('django.db.models.fields.CharField', [], {'default': "'utf-8'", 'max_length': '15'}),
+            'end_date': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
+            'error_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'null': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'imported_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100'}),
+            'importer_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['ishtar_common.ImporterType']"}),
+            'result_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'null': 'True', 'blank': 'True'}),
+            'seconds_remaining': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'skip_lines': ('django.db.models.fields.IntegerField', [], {'default': '1'}),
+            'state': ('django.db.models.fields.CharField', [], {'default': "'C'", 'max_length': '2'}),
+            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['ishtar_common.IshtarUser']"})
+        },
+        'ishtar_common.importertype': {
+            'Meta': {'object_name': 'ImporterType'},
+            'associated_models': ('django.db.models.fields.CharField', [], {'max_length': '200'}),
+            'description': ('django.db.models.fields.CharField', [], {'max_length': '500', 'null': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'is_template': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '100', 'null': 'True', 'blank': 'True'}),
+            'users': ('django.db.models.fields.related.ManyToManyField', [], {'symmetrical': 'False', 'to': "orm['ishtar_common.IshtarUser']", 'null': 'True', 'blank': 'True'})
+        },
+        'ishtar_common.ishtaruser': {
+            'Meta': {'object_name': 'IshtarUser', '_ormbases': ['auth.User']},
+            'person': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'ishtaruser'", 'unique': 'True', 'to': "orm['ishtar_common.Person']"}),
+            'user_ptr': ('django.db.models.fields.related.OneToOneField', [], {'to': "orm['auth.User']", 'unique': 'True', 'primary_key': 'True'})
+        },
+        'ishtar_common.organization': {
+            'Meta': {'object_name': 'Organization'},
+            'address': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'address_complement': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'country': ('django.db.models.fields.CharField', [], {'max_length': '30', 'null': 'True', 'blank': 'True'}),
+            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'null': 'True', 'blank': 'True'}),
+            'history_creator': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'+'", 'null': 'True', 'on_delete': 'models.SET_NULL', 'to': "orm['auth.User']"}),
+            'history_modifier': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'+'", 'null': 'True', 'on_delete': 'models.SET_NULL', 'to': "orm['auth.User']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'imports': ('django.db.models.fields.related.ManyToManyField', [], {'blank': 'True', 'related_name': "'imported_ishtar_common_organization'", 'null': 'True', 'symmetrical': 'False', 'to': "orm['ishtar_common.Import']"}),
+            'merge_candidate': ('django.db.models.fields.related.ManyToManyField', [], {'blank': 'True', 'related_name': "'merge_candidate_rel_+'", 'null': 'True', 'to': "orm['ishtar_common.Organization']"}),
+            'merge_exclusion': ('django.db.models.fields.related.ManyToManyField', [], {'blank': 'True', 'related_name': "'merge_exclusion_rel_+'", 'null': 'True', 'to': "orm['ishtar_common.Organization']"}),
+            'merge_key': ('django.db.models.fields.CharField', [], {'max_length': '300', 'null': 'True', 'blank': 'True'}),
+            'mobile_phone': ('django.db.models.fields.CharField', [], {'max_length': '18', 'null': 'True', 'blank': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '300'}),
+            'organization_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['ishtar_common.OrganizationType']"}),
+            'phone': ('django.db.models.fields.CharField', [], {'max_length': '18', 'null': 'True', 'blank': 'True'}),
+            'postal_code': ('django.db.models.fields.CharField', [], {'max_length': '10', 'null': 'True', 'blank': 'True'}),
+            'town': ('django.db.models.fields.CharField', [], {'max_length': '70', 'null': 'True', 'blank': 'True'})
+        },
+        'ishtar_common.organizationtype': {
+            'Meta': {'ordering': "('label',)", 'object_name': 'OrganizationType'},
+            'available': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'comment': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'txt_idx': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '100'})
+        },
+        'ishtar_common.person': {
+            'Meta': {'object_name': 'Person'},
+            'address': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'address_complement': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'attached_to': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'members'", 'null': 'True', 'on_delete': 'models.SET_NULL', 'to': "orm['ishtar_common.Organization']"}),
+            'country': ('django.db.models.fields.CharField', [], {'max_length': '30', 'null': 'True', 'blank': 'True'}),
+            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'null': 'True', 'blank': 'True'}),
+            'history_creator': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'+'", 'null': 'True', 'on_delete': 'models.SET_NULL', 'to': "orm['auth.User']"}),
+            'history_modifier': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'+'", 'null': 'True', 'on_delete': 'models.SET_NULL', 'to': "orm['auth.User']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'imports': ('django.db.models.fields.related.ManyToManyField', [], {'blank': 'True', 'related_name': "'imported_ishtar_common_person'", 'null': 'True', 'symmetrical': 'False', 'to': "orm['ishtar_common.Import']"}),
+            'merge_candidate': ('django.db.models.fields.related.ManyToManyField', [], {'blank': 'True', 'related_name': "'merge_candidate_rel_+'", 'null': 'True', 'to': "orm['ishtar_common.Person']"}),
+            'merge_exclusion': ('django.db.models.fields.related.ManyToManyField', [], {'blank': 'True', 'related_name': "'merge_exclusion_rel_+'", 'null': 'True', 'to': "orm['ishtar_common.Person']"}),
+            'merge_key': ('django.db.models.fields.CharField', [], {'max_length': '300', 'null': 'True', 'blank': 'True'}),
+            'mobile_phone': ('django.db.models.fields.CharField', [], {'max_length': '18', 'null': 'True', 'blank': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'}),
+            'person_types': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['ishtar_common.PersonType']", 'symmetrical': 'False'}),
+            'phone': ('django.db.models.fields.CharField', [], {'max_length': '18', 'null': 'True', 'blank': 'True'}),
+            'postal_code': ('django.db.models.fields.CharField', [], {'max_length': '10', 'null': 'True', 'blank': 'True'}),
+            'raw_name': ('django.db.models.fields.CharField', [], {'max_length': '300', 'null': 'True', 'blank': 'True'}),
+            'surname': ('django.db.models.fields.CharField', [], {'max_length': '50', 'null': 'True', 'blank': 'True'}),
+            'title': ('django.db.models.fields.CharField', [], {'max_length': '2', 'null': 'True', 'blank': 'True'}),
+            'town': ('django.db.models.fields.CharField', [], {'max_length': '70', 'null': 'True', 'blank': 'True'})
+        },
+        'ishtar_common.persontype': {
+            'Meta': {'ordering': "('label',)", 'object_name': 'PersonType'},
+            'available': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'comment': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'symmetrical': 'False', 'to': "orm['auth.Group']", 'null': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'txt_idx': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '100'})
+        },
+        'ishtar_common.sourcetype': {
+            'Meta': {'object_name': 'SourceType'},
+            'available': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'comment': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'txt_idx': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '100'})
+        },
+        'ishtar_common.state': {
+            'Meta': {'ordering': "['number']", 'object_name': 'State'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'label': ('django.db.models.fields.CharField', [], {'max_length': '30'}),
+            'number': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '3'})
+        },
+        'ishtar_common.supporttype': {
+            'Meta': {'object_name': 'SupportType'},
+            'available': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'comment': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'txt_idx': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '100'})
+        },
+        'ishtar_common.town': {
+            'Meta': {'ordering': "['numero_insee']", 'object_name': 'Town'},
+            'canton': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['ishtar_common.Canton']", 'null': 'True', 'blank': 'True'}),
+            'center': ('django.contrib.gis.db.models.fields.PointField', [], {'srid': '27572', 'null': 'True', 'blank': 'True'}),
+            'departement': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['ishtar_common.Department']", 'null': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'numero_insee': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '6'}),
+            'surface': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'})
+        }
+    }
+
+    complete_apps = ['archaeological_operations']
\ No newline at end of file
diff --git a/archaeological_operations/models.py b/archaeological_operations/models.py
index ae86a42ef..977fbdb4a 100644
--- a/archaeological_operations/models.py
+++ b/archaeological_operations/models.py
@@ -24,7 +24,7 @@ from django.conf import settings
 from django.contrib.gis.db import models
 from django.core.urlresolvers import reverse
 from django.db.models import Q, Count, Sum, Max, Avg
-from django.db.models.signals import post_save, m2m_changed
+from django.db.models.signals import post_save, m2m_changed, post_delete
 from django.forms import ValidationError
 from django.utils.translation import ugettext_lazy as _, ugettext
 
@@ -33,7 +33,8 @@ from ishtar_common.utils import cached_label_changed
 from ishtar_common.models import GeneralType, BaseHistorizedItem, \
     HistoricalRecords, LightHistorizedItem, OwnPerms, Department, Source,\
     Person, Organization, Town, Dashboard, IshtarUser, ValueGetter, \
-    DocumentTemplate, ShortMenuItem, DashboardFormItem
+    DocumentTemplate, ShortMenuItem, DashboardFormItem, GeneralRelationType,\
+    GeneralRecordRelations, post_delete_record_relation
 FILES_AVAILABLE = 'archaeological_files' in settings.INSTALLED_APPS
 
 
@@ -473,6 +474,31 @@ def operation_post_save(sender, **kwargs):
 post_save.connect(operation_post_save, sender=Operation)
 
 
+class RelationType(GeneralRelationType):
+    inverse_relation = models.ForeignKey(
+        'RelationType', verbose_name=_(u"Inverse relation"), blank=True,
+        null=True)
+
+    class Meta:
+        verbose_name = _(u"Operation relation type")
+        verbose_name_plural = _(u"Operation relation types")
+        ordering = ('order',)
+
+
+class RecordRelations(GeneralRecordRelations, models.Model):
+    left_record = models.ForeignKey(Operation,
+                                    related_name='right_relations')
+    right_record = models.ForeignKey(Operation,
+                                     related_name='left_relations')
+    relation_type = models.ForeignKey(RelationType)
+
+    class Meta:
+        verbose_name = _(u"Operation record relation")
+        verbose_name_plural = _(u"Operation record relations")
+
+post_delete.connect(post_delete_record_relation, sender=RecordRelations)
+
+
 class OperationByDepartment(models.Model):
     '''
     Database view for dashboard
diff --git a/ishtar_common/models.py b/ishtar_common/models.py
index 8bdbd93ba..da6eefbfb 100644
--- a/ishtar_common/models.py
+++ b/ishtar_common/models.py
@@ -640,6 +640,72 @@ class BaseHistorizedItem(Imported):
         return u"-".join([unicode(item) for item in items])
 
 
+class GeneralRelationType(GeneralType):
+    order = models.IntegerField(_(u"Order"), default=1)
+    symmetrical = models.BooleanField(_(u"Symmetrical"))
+    # # an inverse must be set
+    # inverse_relation = models.ForeignKey(
+    #    'RelationType', verbose_name=_(u"Inverse relation"), blank=True,
+    #    null=True)
+
+    class Meta:
+        abstract = True
+
+    def clean(self):
+        # cannot have symmetrical and an inverse_relation
+        if self.symmetrical and self.inverse_relation:
+            raise ValidationError(
+                _(u"Cannot have symmetrical and an inverse_relation"))
+
+    def save(self, *args, **kwargs):
+        obj = super(GeneralRelationType, self).save(*args, **kwargs)
+        # after saving check that the inverse_relation of the inverse_relation
+        # point to the saved object
+        if self.inverse_relation \
+           and (not self.inverse_relation.inverse_relation
+                or self.inverse_relation.inverse_relation != self):
+            self.inverse_relation.inverse_relation = self
+            self.inverse_relation.symmetrical = False
+            self.inverse_relation.save()
+        return obj
+
+
+class GeneralRecordRelations(object):
+    def save(self, *args, **kwargs):
+        super(GeneralRecordRelations, self).save(*args, **kwargs)
+
+        # after saving create the symetric or the inverse relation
+
+        sym_rel_type = self.relation_type
+        if not self.relation_type.symmetrical:
+            sym_rel_type = self.relation_type.inverse_relation
+
+        # no symetric/inverse is defined
+        if not sym_rel_type:
+            return
+
+        dct = {'right_record': self.left_record,
+               'left_record': self.right_record, 'relation_type': sym_rel_type}
+        self.__class__.objects.get_or_create(**dct)
+        return self
+
+
+def post_delete_record_relation(sender, instance, **kwargs):
+    # delete symmetrical or inverse relation
+    sym_rel_type = instance.relation_type
+    if not instance.relation_type.symmetrical:
+        sym_rel_type = instance.relation_type.inverse_relation
+
+    # no symetric/inverse is defined
+    if not sym_rel_type:
+        return
+
+    dct = {'right_record': instance.left_record,
+           'left_record': instance.right_record,
+           'relation_type': sym_rel_type}
+    instance.__class__.objects.filter(**dct).delete()
+
+
 class ShortMenuItem(object):
     def get_short_menu_class(self):
         return ''