Fix auto-recognition of multimedia files

5 files changed, 293 insertions, 49 deletions

diff --git a/chimere/admin.py b/chimere/admin.py
index 147314e..1d3dcbe 100644
--- a/chimere/admin.py
+++ b/chimere/admin.py
@@ -387,12 +387,6 @@ class ColorThemeAdmin(admin.ModelAdmin):
 class IconAdmin(admin.ModelAdmin):
     exclude = ['height', 'width']
 
-class PropertyModelChoiceInline(admin.TabularInline):
-    model = PropertyModelChoice
-    extra = 1
-class PropertyModelAdmin(admin.ModelAdmin):
-    inlines = [PropertyModelChoiceInline]
-
 # register of differents database fields
 admin.site.register(News, NewsAdmin)
 admin.site.register(Category, CategoryAdmin)
diff --git a/chimere/fixtures/initial_data.json b/chimere/fixtures/initial_data.json
index 883e499..41df8cf 100644
--- a/chimere/fixtures/initial_data.json
+++ b/chimere/fixtures/initial_data.json
@@ -254,7 +254,7 @@
             "multimedia_type": 13,
             "name": "webm"
         }
-    }
+    },
     {
         "pk": 1,
         "model": "chimere.layer",
diff --git a/chimere/forms.py b/chimere/forms.py
index 813f0f8..eb64a04 100644
--- a/chimere/forms.py
+++ b/chimere/forms.py
@@ -33,8 +33,7 @@ from django.core.mail import EmailMessage, BadHeaderError
 
 from chimere.models import Marker, Route, PropertyModel, Property, Area,\
    News, Category, SubCategory, RouteFile, MultimediaFile, MultimediaType, \
-   PictureFile, Importer, IMPORTER_CHOICES, PropertyModelChoice, IFRAME_LINKS,\
-   MultimediaExtension
+   PictureFile, Importer, IMPORTER_CHOICES, IFRAME_LINKS, MultimediaExtension
 from chimere.widgets import AreaField, PointField, TextareaWidget, \
     ImportFiltrWidget, TextareaAdminWidget, DatePickerWidget, \
     ImporterChoicesWidget, RE_XAPI
@@ -414,6 +413,11 @@ class MultimediaFileAdminForm(forms.ModelForm):
             '%schimere/js/menu-sort.js' % settings.STATIC_URL,
         ]
 
+    def __init__(self, *args, **kwargs):
+        super(MultimediaFileAdminForm, self).__init__(*args, **kwargs)
+        self.fields['multimedia_type'].widget.choices = \
+                                                MultimediaType.get_tuples()
+
 class MultimediaFileForm(BaseFileForm):
     """
     Form for a multimedia file
@@ -427,30 +431,8 @@ class MultimediaFileForm(BaseFileForm):
         super(MultimediaFileForm, self).__init__(*args, **kwargs)
         self.fields['multimedia_type'].widget.choices = \
                                                 MultimediaType.get_tuples()
-
-    def clean(self):
-        if not self.cleaned_data.get('multimedia_type') or\
-           not self.cleaned_data.get('url'):
-            return self.cleaned_data
-        if self.cleaned_data['multimedia_type'].name != 'auto':
-            return self.cleaned_data
-        url = self.cleaned_data['url']
-        for mm_type in IFRAME_LINKS:
-            res, embeded_url = IFRAME_LINKS[mm_type]
-            if [r for r in res if r.search(url)]:
-                multimedia_type = MultimediaType.objects.get(
-                                    name__iexact=mm_type)
-                self.cleaned_data['multimedia_type'] = multimedia_type
-                return self.cleaned_data
-        ext = url.split(".")[-1]
-        q = MultimediaExtension.objects.filter(name__iendswith=ext)
-        if q.count():
-            self.cleaned_data['multimedia_type'] = q.all()[0].multimedia_type
-        else:
-            # default to an iframe
-            self.cleaned_data['multimedia_type'] = \
-                MultimediaType.objects.filter(name__iexact='iframe').all()[0]
-        return self.cleaned_data
+        # this can be auto detect
+        self.fields['multimedia_type'].required = False
 
 MultimediaFileFormSet = formset_factory(MultimediaFileForm, can_delete=True)
 
diff --git a/chimere/migrations/0039_auto__add_multimediaextension__chg_field_multimediafile_multimedia_typ.py b/chimere/migrations/0039_auto__add_multimediaextension__chg_field_multimediafile_multimedia_typ.py
new file mode 100644
index 0000000..0b26a27
--- /dev/null
+++ b/chimere/migrations/0039_auto__add_multimediaextension__chg_field_multimediafile_multimedia_typ.py
@@ -0,0 +1,252 @@
+# -*- 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 'MultimediaExtension'
+        db.create_table('chimere_multimediaextension', (
+            ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
+            ('name', self.gf('django.db.models.fields.CharField')(max_length=6)),
+            ('multimedia_type', self.gf('django.db.models.fields.related.ForeignKey')(related_name='extensions', to=orm['chimere.MultimediaType'])),
+        ))
+        db.send_create_signal('chimere', ['MultimediaExtension'])
+
+
+        # Changing field 'MultimediaFile.multimedia_type'
+        db.alter_column('chimere_multimediafile', 'multimedia_type_id', self.gf('django.db.models.fields.related.ForeignKey')(to=orm['chimere.MultimediaType'], null=True))
+
+    def backwards(self, orm):
+        # Deleting model 'MultimediaExtension'
+        db.delete_table('chimere_multimediaextension')
+
+
+        # User chose to not deal with backwards NULL issues for 'MultimediaFile.multimedia_type'
+        raise RuntimeError("Cannot reverse this migration. 'MultimediaFile.multimedia_type' and its values cannot be restored.")
+
+    models = {
+        'chimere.area': {
+            'Meta': {'ordering': "('order', 'name')", 'object_name': 'Area'},
+            'available': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'default': ('django.db.models.fields.NullBooleanField', [], {'null': 'True', 'blank': 'True'}),
+            'default_subcategories': ('chimere.widgets.SelectMultipleField', [], {'to': "orm['chimere.SubCategory']", 'symmetrical': 'False', 'blank': 'True'}),
+            'dynamic_categories': ('django.db.models.fields.NullBooleanField', [], {'null': 'True', 'blank': 'True'}),
+            'external_css': ('django.db.models.fields.URLField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'layers': ('chimere.widgets.SelectMultipleField', [], {'symmetrical': 'False', 'related_name': "'areas'", 'blank': 'True', 'through': "orm['chimere.AreaLayers']", 'to': "orm['chimere.Layer']"}),
+            'lower_right_corner': ('django.contrib.gis.db.models.fields.PointField', [], {'default': "'POINT(0 0)'"}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '150'}),
+            'order': ('django.db.models.fields.IntegerField', [], {'unique': 'True'}),
+            'restrict_to_extent': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'subcategories': ('chimere.widgets.SelectMultipleField', [], {'symmetrical': 'False', 'related_name': "'areas'", 'blank': 'True', 'db_table': "'chimere_subcategory_areas'", 'to': "orm['chimere.SubCategory']"}),
+            'upper_left_corner': ('django.contrib.gis.db.models.fields.PointField', [], {'default': "'POINT(0 0)'"}),
+            'urn': ('django.db.models.fields.SlugField', [], {'unique': 'True', 'max_length': '50', 'blank': 'True'}),
+            'welcome_message': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'})
+        },
+        'chimere.arealayers': {
+            'Meta': {'ordering': "('order',)", 'object_name': 'AreaLayers'},
+            'area': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['chimere.Area']"}),
+            'default': ('django.db.models.fields.NullBooleanField', [], {'null': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'layer': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['chimere.Layer']"}),
+            'order': ('django.db.models.fields.IntegerField', [], {})
+        },
+        'chimere.category': {
+            'Meta': {'ordering': "['order']", 'object_name': 'Category'},
+            'available': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'description': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '150'}),
+            'order': ('django.db.models.fields.IntegerField', [], {})
+        },
+        'chimere.color': {
+            'Meta': {'ordering': "['order']", 'object_name': 'Color'},
+            'code': ('django.db.models.fields.CharField', [], {'max_length': '6'}),
+            'color_theme': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['chimere.ColorTheme']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'order': ('django.db.models.fields.IntegerField', [], {})
+        },
+        'chimere.colortheme': {
+            'Meta': {'object_name': 'ColorTheme'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '150'})
+        },
+        'chimere.icon': {
+            'Meta': {'object_name': 'Icon'},
+            'height': ('django.db.models.fields.IntegerField', [], {}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'image': ('django.db.models.fields.files.ImageField', [], {'max_length': '100'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '150'}),
+            'width': ('django.db.models.fields.IntegerField', [], {})
+        },
+        'chimere.importer': {
+            'Meta': {'object_name': 'Importer'},
+            'associate_marker_to_way': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'categories': ('chimere.widgets.SelectMultipleField', [], {'to': "orm['chimere.SubCategory']", 'symmetrical': 'False'}),
+            'default_name': ('django.db.models.fields.CharField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'}),
+            'filtr': ('django.db.models.fields.CharField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'importer_type': ('django.db.models.fields.CharField', [], {'max_length': '4'}),
+            'license': ('django.db.models.fields.CharField', [], {'max_length': '100', 'null': 'True', 'blank': 'True'}),
+            'origin': ('django.db.models.fields.CharField', [], {'max_length': '100', 'null': 'True', 'blank': 'True'}),
+            'source': ('django.db.models.fields.CharField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'}),
+            'source_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'null': 'True', 'blank': 'True'}),
+            'srid': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'state': ('django.db.models.fields.CharField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'}),
+            'zipped': ('django.db.models.fields.BooleanField', [], {'default': 'False'})
+        },
+        'chimere.layer': {
+            'Meta': {'object_name': 'Layer'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'layer_code': ('django.db.models.fields.TextField', [], {'max_length': '300'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '150'})
+        },
+        'chimere.marker': {
+            'Meta': {'ordering': "('status', 'name')", 'object_name': 'Marker'},
+            'available_date': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
+            'categories': ('chimere.widgets.SelectMultipleField', [], {'to': "orm['chimere.SubCategory']", 'symmetrical': 'False'}),
+            'description': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'end_date': ('django.db.models.fields.DateField', [], {'null': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'import_key': ('django.db.models.fields.CharField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'}),
+            'import_source': ('django.db.models.fields.CharField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'}),
+            'import_version': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'license': ('django.db.models.fields.CharField', [], {'max_length': '100', 'null': 'True', 'blank': 'True'}),
+            'modified_since_import': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '150'}),
+            'not_for_osm': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'origin': ('django.db.models.fields.CharField', [], {'max_length': '100', 'null': 'True', 'blank': 'True'}),
+            'point': ('chimere.widgets.PointField', [], {}),
+            'ref_item': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'submited_marker'", 'null': 'True', 'to': "orm['chimere.Marker']"}),
+            'route': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'associated_marker'", 'null': 'True', 'to': "orm['chimere.Route']"}),
+            'start_date': ('django.db.models.fields.DateField', [], {'null': 'True', 'blank': 'True'}),
+            'status': ('django.db.models.fields.CharField', [], {'max_length': '1'}),
+            'submiter_comment': ('django.db.models.fields.TextField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'}),
+            'submiter_email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'null': 'True', 'blank': 'True'}),
+            'submiter_name': ('django.db.models.fields.CharField', [], {'max_length': '40', 'null': 'True', 'blank': 'True'}),
+            'submiter_session_key': ('django.db.models.fields.CharField', [], {'max_length': '40', 'null': 'True', 'blank': 'True'})
+        },
+        'chimere.multimediaextension': {
+            'Meta': {'object_name': 'MultimediaExtension'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'multimedia_type': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'extensions'", 'to': "orm['chimere.MultimediaType']"}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '6'})
+        },
+        'chimere.multimediafile': {
+            'Meta': {'object_name': 'MultimediaFile'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'marker': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'multimedia_files'", 'to': "orm['chimere.Marker']"}),
+            'miniature': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'multimedia_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['chimere.MultimediaType']", 'null': 'True', 'blank': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '150'}),
+            'order': ('django.db.models.fields.IntegerField', [], {'default': '1'}),
+            'url': ('django.db.models.fields.URLField', [], {'max_length': '200'})
+        },
+        'chimere.multimediatype': {
+            'Meta': {'object_name': 'MultimediaType'},
+            'available': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'iframe': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'media_type': ('django.db.models.fields.CharField', [], {'max_length': '1'}),
+            'mime_type': ('django.db.models.fields.CharField', [], {'max_length': '50', 'null': 'True', 'blank': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '150'})
+        },
+        'chimere.news': {
+            'Meta': {'object_name': 'News'},
+            'areas': ('chimere.widgets.SelectMultipleField', [], {'symmetrical': 'False', 'to': "orm['chimere.Area']", 'null': 'True', 'blank': 'True'}),
+            'available': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'content': ('django.db.models.fields.TextField', [], {}),
+            'date': ('django.db.models.fields.DateField', [], {'auto_now_add': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'title': ('django.db.models.fields.CharField', [], {'max_length': '150'})
+        },
+        'chimere.picturefile': {
+            'Meta': {'object_name': 'PictureFile'},
+            'height': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'marker': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'pictures'", 'to': "orm['chimere.Marker']"}),
+            'miniature': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '150'}),
+            'order': ('django.db.models.fields.IntegerField', [], {'default': '1'}),
+            'picture': ('django.db.models.fields.files.ImageField', [], {'max_length': '100'}),
+            'thumbnailfile': ('django.db.models.fields.files.ImageField', [], {'max_length': '100', 'null': 'True', 'blank': 'True'}),
+            'thumbnailfile_height': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'thumbnailfile_width': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'width': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'})
+        },
+        'chimere.property': {
+            'Meta': {'object_name': 'Property'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'marker': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['chimere.Marker']"}),
+            'propertymodel': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['chimere.PropertyModel']"}),
+            'value': ('django.db.models.fields.TextField', [], {})
+        },
+        'chimere.propertymodel': {
+            'Meta': {'ordering': "('order',)", 'object_name': 'PropertyModel'},
+            'available': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'mandatory': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '150'}),
+            'order': ('django.db.models.fields.IntegerField', [], {}),
+            'subcategories': ('chimere.widgets.SelectMultipleField', [], {'symmetrical': 'False', 'related_name': "'properties'", 'blank': 'True', 'to': "orm['chimere.SubCategory']"}),
+            'type': ('django.db.models.fields.CharField', [], {'max_length': '1'})
+        },
+        'chimere.route': {
+            'Meta': {'ordering': "('status', 'name')", 'object_name': 'Route'},
+            'associated_file': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['chimere.RouteFile']", 'null': 'True', 'blank': 'True'}),
+            'categories': ('chimere.widgets.SelectMultipleField', [], {'to': "orm['chimere.SubCategory']", 'symmetrical': 'False'}),
+            'end_date': ('django.db.models.fields.DateField', [], {'null': 'True', 'blank': 'True'}),
+            'has_associated_marker': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'height': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'import_key': ('django.db.models.fields.CharField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'}),
+            'import_source': ('django.db.models.fields.CharField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'}),
+            'import_version': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'license': ('django.db.models.fields.CharField', [], {'max_length': '100', 'null': 'True', 'blank': 'True'}),
+            'modified_since_import': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '150'}),
+            'not_for_osm': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'origin': ('django.db.models.fields.CharField', [], {'max_length': '100', 'null': 'True', 'blank': 'True'}),
+            'picture': ('django.db.models.fields.files.ImageField', [], {'max_length': '100', 'null': 'True', 'blank': 'True'}),
+            'ref_item': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'submited_route'", 'null': 'True', 'to': "orm['chimere.Route']"}),
+            'route': ('chimere.widgets.RouteField', [], {}),
+            'start_date': ('django.db.models.fields.DateField', [], {'null': 'True', 'blank': 'True'}),
+            'status': ('django.db.models.fields.CharField', [], {'max_length': '1'}),
+            'submiter_comment': ('django.db.models.fields.TextField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'}),
+            'submiter_email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'null': 'True', 'blank': 'True'}),
+            'submiter_name': ('django.db.models.fields.CharField', [], {'max_length': '40', 'null': 'True', 'blank': 'True'}),
+            'submiter_session_key': ('django.db.models.fields.CharField', [], {'max_length': '40', 'null': 'True', 'blank': 'True'}),
+            'width': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'})
+        },
+        'chimere.routefile': {
+            'Meta': {'ordering': "('name',)", 'object_name': 'RouteFile'},
+            'file_type': ('django.db.models.fields.CharField', [], {'max_length': '1'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '150'}),
+            'raw_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100'}),
+            'simplified_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'null': 'True', 'blank': 'True'})
+        },
+        'chimere.subcategory': {
+            'Meta': {'ordering': "['category', 'order']", 'object_name': 'SubCategory'},
+            'available': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'category': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'subcategories'", 'to': "orm['chimere.Category']"}),
+            'color_theme': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['chimere.ColorTheme']", 'null': 'True', 'blank': 'True'}),
+            'icon': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['chimere.Icon']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'item_type': ('django.db.models.fields.CharField', [], {'max_length': '1'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '150'}),
+            'order': ('django.db.models.fields.IntegerField', [], {'default': '1000'}),
+            'submission': ('django.db.models.fields.BooleanField', [], {'default': 'True'})
+        },
+        'chimere.tinyurl': {
+            'Meta': {'object_name': 'TinyUrl'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'parameters': ('django.db.models.fields.CharField', [], {'max_length': '500'})
+        }
+    }
+
+    complete_apps = ['chimere']
\ No newline at end of file
diff --git a/chimere/models.py b/chimere/models.py
index 6b7ffb9..63529ee 100644
--- a/chimere/models.py
+++ b/chimere/models.py
@@ -593,7 +593,7 @@ class MultimediaType(models.Model):
     def get_tuples(cls):
         vals = cls.objects.filter(available=True).order_by('media_type',
                                                            'name')
-        tuples, c_tpe = [('', '--')], None
+        tuples, c_tpe = [('', _("Automatic recognition"))], None
         media_type_dct = dict(cls.MEDIA_TYPES)
         for tpe, pk, name in [(media_type_dct[v.media_type], v.pk, v.name)
                               for v in vals]:
@@ -635,7 +635,7 @@ class MultimediaFile(models.Model):
     name = models.CharField(_(u"Name"), max_length=150)
     url = models.URLField(_(u"Url"), max_length=200)
     order = models.IntegerField(_(u"Order"), default=1)
-    multimedia_type = models.ForeignKey(MultimediaType)
+    multimedia_type = models.ForeignKey(MultimediaType, blank=True, null=True)
     miniature = models.BooleanField(_(u"Display inside the description?"),
                                   default=settings.CHIMERE_MINIATURE_BY_DEFAULT)
     marker = models.ForeignKey(Marker, related_name='multimedia_files')
@@ -647,24 +647,40 @@ class MultimediaFile(models.Model):
     def __unicode__(self):
         return self.name or u""
 
-    def save(self, *args, **kwargs):
-        # manage iframe of video providers
-        if self.multimedia_type.name.lower() in IFRAME_LINKS:
-            regexps, lnk = IFRAME_LINKS[self.multimedia_type.name.lower()]
-            key = None
-            for regexp in regexps:
-                key = regexp.findall(self.url)
-                if key:
-                    key = key[0]
-                    break
-            if key:
-                self.url = lnk % key
-        super(MultimediaFile, self).save(*args, **kwargs)
-
 def multimediafile_post_save(sender, **kwargs):
     if not kwargs['instance'] or not kwargs['created']:
         return
     multimediafile = kwargs['instance']
+    # auto recognition of file types
+    if not multimediafile.multimedia_type:
+        url = multimediafile.url
+        for mm_type in IFRAME_LINKS:
+            res, embeded_url = IFRAME_LINKS[mm_type]
+            if [r for r in res if r.search(url)]:
+                multimedia_type = MultimediaType.objects.get(
+                                    name__iexact=mm_type)
+                multimediafile.multimedia_type = multimedia_type
+        if not multimediafile.multimedia_type:
+            ext = url.split(".")[-1]
+            q = MultimediaExtension.objects.filter(name__iendswith=ext)
+            if q.count():
+                multimediafile.multimedia_type = q.all()[0].multimedia_type
+            else:
+                # default to an iframe
+                multimediafile.multimedia_type = \
+                   MultimediaType.objects.filter(name__iexact='iframe').all()[0]
+    # manage iframe of video providers
+    if multimediafile.multimedia_type.name.lower() in IFRAME_LINKS:
+        regexps, lnk = IFRAME_LINKS[multimediafile.multimedia_type.name.lower()]
+        key = None
+        for regexp in regexps:
+            key = regexp.findall(multimediafile.url)
+            if key:
+                key = key[0]
+                break
+        if key:
+            multimediafile.url = lnk % key
+
     mfs = MultimediaFile.objects.filter(marker=multimediafile.marker).exclude(
                                         pk=multimediafile.pk).order_by('order')
     for idx, mf in enumerate(mfs.all()):