--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/ldt/ldt/management/commands/updateiriurlinprojects.py	Mon Apr 15 17:03:50 2013 +0200
@@ -0,0 +1,78 @@
+# -*- coding: utf-8 -*-
+'''
+Created on Apr 15, 2013
+
+@author: tc
+'''
+
+from ..utils import show_progress
+from django.core.management import call_command
+from django.core.management.base import BaseCommand, CommandError
+from django.db import transaction
+from django.db.models import signals
+from ldt.ldt_utils.contentindexer import index_project
+from ldt.ldt_utils.models import Content, Project
+import lxml.etree #@UnresolvedImport
+
+
+class Command(BaseCommand):
+    '''
+    Updates iri files's url in project ldt xml
+    '''
+
+    help = "Updates iri files's url in project ldt xml"
+    
+    
+    def __safe_get(self, dict_arg, key, conv = lambda x: x, default= None):
+        val = dict_arg.get(key, default)
+        return conv(val) if val else default
+
+    def __safe_decode(self, s):
+        if not isinstance(s, basestring):
+            return s
+        try:
+            return s.decode('utf8')
+        except:
+            try:
+                return s.decode('latin1')
+            except:
+                return s.decode('utf8','replace')
+
+    def handle(self, *args, **options):
+        # We avoid a useless reindex
+        signals.post_save.disconnect(index_project, sender=Project)
+        # We begin...
+        writer = None
+        i = 0
+        print("Loading datas...")
+        projects = Project.objects.all().prefetch_related('contents')
+        total = len(projects)
+        for p in projects:
+            i += 1
+            writer = show_progress(i, total, "project : %s" % (p.title), 50, writer)
+            # Get ldt xml
+            ldt = None
+            try:
+                ldt = lxml.etree.fromstring(p.ldt_encoded)
+            except:
+                # Unable to read xml.
+                continue
+            # Get content id
+            result = ldt.xpath("/iri/medias/media")
+            for medianode in result:
+                # We loop on p.contents because they have already been loaded in the orm request
+                # Requesting Content.objects.get() would cost too many db requests
+                content_iri_id = medianode.get("id")
+                for content in p.contents.all():
+                    if content.iri_id == content_iri_id:
+                        medianode.set('src', content.iri_url())
+                        break
+            # All iri urls have been updated, we can save the project
+            p.ldt = lxml.etree.tostring(ldt, pretty_print=True)
+            with transaction.commit_on_success():
+                p.save()
+        # This is the end
+        signals.post_save.connect(index_project, sender=Project)
+        print("This is the end")
+        
+        
\ No newline at end of file