toaster: upgrade to Django 1.8

index 6d1ec05..528e17e 100755
@@ -176,15 +176,11 @@ notify_chldexit() {
 verify_prereq() {
     # Verify prerequisites
 
-    if ! echo "import django; print (1,) == django.VERSION[0:1] and django.VERSION[1:2][0] in (6,)" | python 2>/dev/null | grep True >/dev/null; then
-        printf "This program needs Django 1.6. Please install with\n\npip install django==1.6\n"
+    if ! echo "import django; print (1,) == django.VERSION[0:1] and django.VERSION[1:2][0] in (8,)" | python 2>/dev/null | grep True >/dev/null; then
+        printf "This program needs Django 1.8. Please install with\n\npip install django<=1.8.7\n"
         return 2
     fi
 
-    if ! echo "import south; print reduce(lambda x, y: 2 if x==2 else 0 if x == 0 else y, map(lambda x: 1+cmp(x[1]-x[0],0), zip([0,8,4], map(int,south.__version__.split(\".\"))))) > 0" | python 2>/dev/null | grep True >/dev/null; then
-        printf "This program needs South 0.8.4. Please install with\n\npip install south==0.8.4\n"
-        return 2
-    fi
     return 0
 }
 

index de686b2..7c559bc 100644
@@ -276,7 +276,6 @@ INSTALLED_APPS = (
     'django.contrib.humanize',
     'bldcollector',
     'toastermain',
-    'south',
 )
 
 

index 1d7d21b..5d34494 100644
@@ -1,5 +1,4 @@
-Django==1.6
-South==0.8.4
+Django==1.8.6
 argparse==1.2.1
 wsgiref==0.1.2
 beautifulsoup4>=4.4.0

index 1d41bba..c099551 100644
@@ -33,14 +33,14 @@ def _configure_toaster():
     sys.path.append(os.path.join(os.path.dirname(os.path.dirname(os.path.dirname(__file__))), 'toaster'))
 _configure_toaster()
 
-from toaster.orm.models import Build, Task, Recipe, Layer_Version, Layer, Target, LogMessage, HelpText
-from toaster.orm.models import Target_Image_File, BuildArtifact
-from toaster.orm.models import Variable, VariableHistory
-from toaster.orm.models import Package, Package_File, Target_Installed_Package, Target_File
-from toaster.orm.models import Task_Dependency, Package_Dependency
-from toaster.orm.models import Recipe_Dependency
-
-from toaster.orm.models import Project
+from orm.models import Build, Task, Recipe, Layer_Version, Layer, Target, LogMessage, HelpText
+from orm.models import Target_Image_File, BuildArtifact
+from orm.models import Variable, VariableHistory
+from orm.models import Package, Package_File, Target_Installed_Package, Target_File
+from orm.models import Task_Dependency, Package_Dependency
+from orm.models import Recipe_Dependency
+
+from orm.models import Project
 from bldcontrol.models import BuildEnvironment, BuildRequest
 
 from bb.msg import BBLogFormatter as formatter

index c099551..87e03e7 100644
@@ -146,7 +146,7 @@ class ORMWrapper(object):
             prj = Project.objects.get(pk = project_id)
 
         else:                           # this build was triggered by a legacy system, or command line interactive mode
-            prj = Project.objects.get_default_project()
+            prj = Project.objects.get_or_create_default_project()
             logger.debug(1, "buildinfohelper: project is not specified, defaulting to %s" % prj)
 
 

@@ -308,6 +308,11 @@ class ORMWrapper(object):
         # then we are wholly responsible for the data
         # and therefore we return the 'real' recipe rather than the build
         # history copy of the recipe.
+        if  recipe_information['layer_version'].build is not None and \
+            recipe_information['layer_version'].build.project == \
+                Project.objects.get_or_create_default_project():
+            return recipe
+
         if built_recipe is None:
             return recipe
 

@@ -345,7 +350,7 @@ class ORMWrapper(object):
         # If we're doing a command line build then associate this new layer with the
         # project to avoid it 'contaminating' toaster data
         project = None
-        if build_obj.project == Project.objects.get_default_project():
+        if build_obj.project == Project.objects.get_or_create_default_project():
             project = build_obj.project
 
         layer_version_object, _ = Layer_Version.objects.get_or_create(

index 0174233..4a868e7 100644
@@ -91,18 +91,25 @@ class ProjectManager(models.Manager):
 
         return prj
 
-    def create(self, *args, **kwargs):
-        raise Exception("Invalid call to Project.objects.create. Use Project.objects.create_project() to create a project")
-
     # return single object with is_default = True
-    def get_default_project(self):
+    def get_or_create_default_project(self):
         projects = super(ProjectManager, self).filter(is_default = True)
+
         if len(projects) > 1:
-            raise Exception("Inconsistent project data: multiple " +
-                            "default projects (i.e. with is_default=True)")
+            raise Exception('Inconsistent project data: multiple ' +
+                            'default projects (i.e. with is_default=True)')
         elif len(projects) < 1:
-            raise Exception("Inconsistent project data: no default project found")
-        return projects[0]
+            options = {
+                'name': 'Command line builds',
+                'short_description': 'Project for builds started outside Toaster',
+                'is_default': True
+            }
+            project = Project.objects.create(**options)
+            project.save()
+
+            return project
+        else:
+            return projects[0]
 
 class Project(models.Model):
     search_allowed_fields = ['name', 'short_description', 'release__name', 'release__branch_name']

index 243bb09..16f27b8 100755
@@ -73,7 +73,7 @@ class MimeTypeFinder(object):
 def landing(request):
     # in build mode, we redirect to the command-line builds page
     # if there are any builds for the default (cli builds) project
-    default_project = Project.objects.get_default_project()
+    default_project = Project.objects.get_or_create_default_project()
     default_project_builds = Build.objects.filter(project = default_project)
 
     # we only redirect to projects page if there is a user-generated project

index 87e03e7..04ce23a 100644
@@ -24,6 +24,7 @@ import os
 os.environ["DJANGO_SETTINGS_MODULE"] = "toaster.toastermain.settings"
 
 
+import django
 from django.utils import timezone
 
 

@@ -33,6 +34,8 @@ def _configure_toaster():
     sys.path.append(os.path.join(os.path.dirname(os.path.dirname(os.path.dirname(__file__))), 'toaster'))
 _configure_toaster()
 
+django.setup()
+
 from orm.models import Build, Task, Recipe, Layer_Version, Layer, Target, LogMessage, HelpText
 from orm.models import Target_Image_File, BuildArtifact
 from orm.models import Variable, VariableHistory

index 4a868e7..b25910a 100644
@@ -598,8 +598,8 @@ class Package(models.Model):
 class Package_DependencyManager(models.Manager):
     use_for_related_fields = True
 
-    def get_query_set(self):
-        return super(Package_DependencyManager, self).get_query_set().exclude(package_id = F('depends_on__id'))
+    def get_queryset(self):
+        return super(Package_DependencyManager, self).get_queryset().exclude(package_id = F('depends_on__id'))
 
 class Package_Dependency(models.Model):
     TYPE_RDEPENDS = 0

@@ -699,8 +699,8 @@ class Recipe(models.Model):
 class Recipe_DependencyManager(models.Manager):
     use_for_related_fields = True
 
-    def get_query_set(self):
-        return super(Recipe_DependencyManager, self).get_query_set().exclude(recipe_id = F('depends_on__id'))
+    def get_queryset(self):
+        return super(Recipe_DependencyManager, self).get_queryset().exclude(recipe_id = F('depends_on__id'))
 
 class Recipe_Dependency(models.Model):
     TYPE_DEPENDS = 0

index 48dc618..d40dedb 100644
@@ -14,14 +14,14 @@ class Command(NoArgsCommand):
     help    = "Schedules and executes build requests as possible. Does not return (interrupt with Ctrl-C)"
 
 
-    @transaction.commit_on_success
+    @transaction.atomic
     def _selectBuildEnvironment(self):
         bec = getBuildEnvironmentController(lock = BuildEnvironment.LOCK_FREE)
         bec.be.lock = BuildEnvironment.LOCK_LOCK
         bec.be.save()
         return bec
 
-    @transaction.commit_on_success
+    @transaction.atomic
     def _selectBuildRequest(self):
         br = BuildRequest.objects.filter(state = BuildRequest.REQ_QUEUED).order_by('pk')[0]
         br.state = BuildRequest.REQ_INPROGRESS

index 144387b..64722f2 100644
@@ -18,7 +18,6 @@
 
 
 from django.conf.urls import patterns, include, url
-from django.views.generic import RedirectView
 
 urlpatterns = patterns('bldcollector.views',
         # landing point for pushing a bitbake_eventlog.json file to this toaster instace

index a1adbb7..2bf2d99 100644
@@ -168,5 +168,5 @@ urlpatterns = patterns('toastergui.views',
             name='xhr_customrecipe'),
 
           # default redirection
-        url(r'^$', RedirectView.as_view( url= 'landing')),
+        url(r'^$', RedirectView.as_view(url='landing', permanent=True)),
 )

index 5ce5a92..534679d 100644
@@ -45,7 +45,7 @@ urlpatterns = patterns('',
     url(r'^orm/eventfile$', 'bldcollector.views.eventfile'),
 
     # if no application is selected, we have the magic toastergui app here
-    url(r'^$', never_cache(RedirectView.as_view(url='/toastergui/'))),
+    url(r'^$', never_cache(RedirectView.as_view(url='/toastergui/', permanent=True))),
 )
 
 import toastermain.settings

index 528e17e..e3c7867 100755
@@ -56,7 +56,7 @@ webserverStartAll()
     retval=0
     # you can always add a superuser later via
     # python bitbake/lib/toaster/manage.py python manage.py createsuperuser --username=<ME>
-    python $BBBASEDIR/lib/toaster/manage.py syncdb --noinput || retval=1
+    python $BBBASEDIR/lib/toaster/manage.py migrate --noinput || retval=1
 
     python $BBBASEDIR/lib/toaster/manage.py migrate orm || retval=2
 

index e3c7867..0862a35 100755
@@ -175,9 +175,15 @@ notify_chldexit() {
 
 verify_prereq() {
     # Verify prerequisites
+    regex="([0-9])\.([0-9])"
+    for line in `cat $BBBASEDIR/toaster-requirements.txt | grep Django` ; do
+        [[ `echo $line` =~ $regex ]]
+        required_major_version="${BASH_REMATCH[1]}"
+        required_minor_version="${BASH_REMATCH[2]}"
+    done
 
-    if ! echo "import django; print (1,) == django.VERSION[0:1] and django.VERSION[1:2][0] in (8,)" | python 2>/dev/null | grep True >/dev/null; then
-        printf "This program needs Django 1.8. Please install with\n\npip install django<=1.8.7\n"
+    if ! echo "import django; print ($required_major_version,) == django.VERSION[0:1] and django.VERSION[1:2][0] in ($required_minor_version,)" | python 2>/dev/null | grep True >/dev/null; then
+        printf "This program needs Django $required_major_version.$required_minor_version. Please install with\n\npip install -r $BBBASEDIR/toaster-requirements.txt\n"
         return 2
     fi
 

index b25910a..f07feda 100644
@@ -195,23 +195,6 @@ class Project(models.Model):
         except (Variable.DoesNotExist,IndexError):
             return( "not_found" )
 
-    # returns a queryset of compatible layers for a project
-    def compatible_layerversions(self, release = None, layer_name = None):
-        logger.warning("This function is deprecated")
-        if release == None:
-            release = self.release
-        # layers on the same branch or layers specifically set for this project
-        queryset = Layer_Version.objects.filter(((Q(up_branch__name = release.branch_name) & Q(project = None)) | Q(project = self)) & Q(build__isnull=True))
-
-        if layer_name is not None:
-            # we select only a layer name
-            queryset = queryset.filter(layer__name = layer_name)
-
-        # order by layer version priority
-        queryset = queryset.filter(Q(layer_source=None) | Q(layer_source__releaselayersourcepriority__release = release)).select_related('layer_source', 'layer', 'up_branch', "layer_source__releaselayersourcepriority__priority").order_by("-layer_source__releaselayersourcepriority__priority")
-
-        return queryset
-
     def get_all_compatible_layer_versions(self):
         """ Returns Queryset of all Layer_Versions which are compatible with
         this project"""

@@ -1184,7 +1167,9 @@ class Layer_Version(models.Model):
         return self._handle_url_path(self.layer.vcs_web_tree_base_url, '')
 
     def get_equivalents_wpriority(self, project):
-        return project.compatible_layerversions(layer_name = self.layer.name)
+        layer_versions = project.get_all_compatible_layer_versions()
+        filtered = layer_versions.filter(layer__name = self.layer.name)
+        return filtered.order_by("-layer_source__releaselayersourcepriority__priority")
 
     def get_vcs_reference(self):
         if self.branch is not None and len(self.branch) > 0:

index 16f27b8..bd334b9 100755
@@ -2264,16 +2264,17 @@ if True:
                 prj.bitbake_version = prj.release.bitbake_version
                 prj.save()
                 # we need to change the layers
-                for i in prj.projectlayer_set.all():
+                for project in prj.projectlayer_set.all():
                     # find and add a similarly-named layer on the new branch
                     try:
-                        lv = prj.compatible_layerversions(layer_name = i.layercommit.layer.name)[0]
-                        ProjectLayer.objects.get_or_create(project = prj, layercommit = lv)
+                        layer_versions = prj.get_all_compatible_layer_versions()
+                        layer_versions = layer_versions.filter(layer__name = project.layercommit.layer.name)
+                        ProjectLayer.objects.get_or_create(project = prj, layercommit = layer_versions.first())
                     except IndexError:
                         pass
                     finally:
                         # get rid of the old entry
-                        i.delete()
+                        project.delete()
 
             if 'machineName' in request.POST:
                 machinevar = prj.projectvariable_set.get(name="MACHINE")

@@ -2383,12 +2384,17 @@ if True:
 
             retval = []
 
-            for i in prj.projectlayer_set.all():
-                lv = prj.compatible_layerversions(release = Release.objects.get(pk=new_release_id)).filter(layer__name = i.layercommit.layer.name)
+            for project in prj.projectlayer_set.all():
+                release = Release.objects.get(pk = new_release_id)
+
+                layer_versions = prj.get_all_compatible_layer_versions()
+                layer_versions = layer_versions.filter(release = release)
+                layer_versions = layer_versions.filter(layer__name = project.layercommit.layer.name)
+
                 # there is no layer_version with the new release id,
                 # and the same name
-                if lv.count() < 1:
-                    retval.append(i)
+                if layer_versions.count() < 1:
+                    retval.append(project)
 
             return response({"error":"ok",
                              "rows" : map( _lv_to_dict(prj),

index 7c559bc..b6bdcd8 100644
@@ -64,6 +64,7 @@ if 'sqlite' in DATABASES['default']['ENGINE']:
 
 if 'DATABASE_URL' in os.environ:
     dburl = os.environ['DATABASE_URL']
+
     if dburl.startswith('sqlite3://'):
         result = re.match('sqlite3://(.*)', dburl)
         if result is None:

@@ -78,7 +79,7 @@ if 'DATABASE_URL' in os.environ:
         }
     elif dburl.startswith('mysql://'):
         # URL must be in this form: mysql://user:pass@host:port/name
-        result = re.match(r"mysql://([^:]*):([^@]*)@([^:]*):(\d+)/([^/]*)", dburl)
+        result = re.match(r"mysql://([^:]*):([^@]*)@([^:]*):(\d*)/([^/]*)", dburl)
         if result is None:
             raise Exception("ERROR: Could not read mysql database url: %s" % dburl)
         DATABASES['default'] = {

index 781ff73..1387bda 100644
@@ -141,10 +141,10 @@ class BuildEnvironmentController(object):
         raise Exception("FIXME: Must override in order to actually start the BB server")
 
 
-    def setLayers(self, bbs, ls):
+    def setLayers(self, bitbake, ls):
         """ Checks-out bitbake executor and layers from git repositories.
             Sets the layer variables in the config file, after validating local layer paths.
-            The bitbakes must be a 1-length list of BRBitbake
+            bitbake must be a single BRBitbake instance
             The layer paths must be in a list of BRLayer object
 
             a word of attention: by convention, the first layer for any build will be poky!

index 00228e9..4f6f15c 100644
@@ -115,18 +115,17 @@ class LocalhostBEController(BuildEnvironmentController):
         return local_checkout_path
 
 
-    def setLayers(self, bitbakes, layers, targets):
+    def setLayers(self, bitbake, layers, targets):
         """ a word of attention: by convention, the first layer for any build will be poky! """
 
         assert self.be.sourcedir is not None
-        assert len(bitbakes) == 1
         # set layers in the layersource
 
         # 1. get a list of repos with branches, and map dirpaths for each layer
         gitrepos = {}
 
-        gitrepos[(bitbakes[0].giturl, bitbakes[0].commit)] = []
-        gitrepos[(bitbakes[0].giturl, bitbakes[0].commit)].append( ("bitbake", bitbakes[0].dirpath) )
+        gitrepos[(bitbake.giturl, bitbake.commit)] = []
+        gitrepos[(bitbake.giturl, bitbake.commit)].append( ("bitbake", bitbake.dirpath) )
 
         for layer in layers:
             # we don't process local URLs

@@ -198,7 +197,7 @@ class LocalhostBEController(BuildEnvironmentController):
                 # make sure we have a working bitbake
                 if not os.path.exists(os.path.join(self.pokydirname, 'bitbake')):
                     logger.debug("localhostbecontroller: checking bitbake into the poky dirname %s " % self.pokydirname)
-                    self._shellcmd("git clone -b \"%s\" \"%s\" \"%s\" " % (bitbakes[0].commit, bitbakes[0].giturl, os.path.join(self.pokydirname, 'bitbake')))
+                    self._shellcmd("git clone -b \"%s\" \"%s\" \"%s\" " % (bitbake.commit, bitbake.giturl, os.path.join(self.pokydirname, 'bitbake')))
 
             # verify our repositories
             for name, dirpath in gitrepos[(giturl, commit)]:

@@ -224,7 +223,7 @@ class LocalhostBEController(BuildEnvironmentController):
         for target in targets:
             try:
                 customrecipe = CustomImageRecipe.objects.get(name=target.target,
-                                                             project=bitbakes[0].req.project)
+                                                             project=bitbake.req.project)
             except CustomImageRecipe.DoesNotExist:
                 continue # not a custom recipe, skip
 

@@ -278,7 +277,7 @@ class LocalhostBEController(BuildEnvironmentController):
 
 
     def triggerBuild(self, bitbake, layers, variables, targets):
-        # set up the buid environment with the needed layers
+        # set up the build environment with the needed layers
         self.setLayers(bitbake, layers, targets)
 
         # get the bb server running with the build req id and build env id

index d40dedb..edf71a7 100644
@@ -57,7 +57,7 @@ class Command(NoArgsCommand):
             br.save()
 
             # this triggers an async build
-            bec.triggerBuild(br.brbitbake_set.all(), br.brlayer_set.all(), br.brvariable_set.all(), br.brtarget_set.all())
+            bec.triggerBuild(br.brbitbake, br.brlayer_set.all(), br.brvariable_set.all(), br.brtarget_set.all())
 
         except Exception as e:
             logger.error("runbuilds: Error launching build %s" % e)

index ab41105..a3a49ce 100644
@@ -106,7 +106,7 @@ class BRLayer(models.Model):
     layer_version = models.ForeignKey(Layer_Version, null=True)
 
 class BRBitbake(models.Model):
-    req         = models.ForeignKey(BuildRequest, unique = True)    # only one bitbake for a request
+    req         = models.OneToOneField(BuildRequest)    # only one bitbake for a request
     giturl      = models.CharField(max_length =254)
     commit      = models.CharField(max_length = 254)
     dirpath     = models.CharField(max_length = 254)

index f54cf7f..141b42a 100644
@@ -18,7 +18,7 @@ import subprocess
 import os
 
 # standard poky data hardcoded for testing
-BITBAKE_LAYERS = [type('bitbake_info', (object,), { "giturl": "git://git.yoctoproject.org/poky.git", "dirpath": "", "commit": "HEAD"})]
+BITBAKE_LAYER = type('bitbake_info', (object,), { "giturl": "git://git.yoctoproject.org/poky.git", "dirpath": "", "commit": "HEAD"})
 POKY_LAYERS = [
     type('poky_info', (object,), { "name": "meta", "giturl": "git://git.yoctoproject.org/poky.git", "dirpath": "meta", "commit": "HEAD"}),
     type('poky_info', (object,), { "name": "meta-yocto", "giturl": "git://git.yoctoproject.org/poky.git", "dirpath": "meta-yocto", "commit": "HEAD"}),

@@ -53,7 +53,7 @@ class BEControllerTests(object):
         bc = self._getBEController(obe)
         try:
             # setting layers, skip any layer info
-            bc.setLayers(BITBAKE_LAYERS, POKY_LAYERS)
+            bc.setLayers(BITBAKE_LAYER, POKY_LAYERS)
         except NotImplementedException,  e:
             print "Test skipped due to command not implemented yet"
             return True

@@ -80,7 +80,7 @@ class BEControllerTests(object):
         layerSet = False
         try:
             # setting layers, skip any layer info
-            layerSet = bc.setLayers(BITBAKE_LAYERS, POKY_LAYERS)
+            layerSet = bc.setLayers(BITBAKE_LAYER, POKY_LAYERS)
         except NotImplementedException:
             print "Test skipped due to command not implemented yet"
             return True

index f07feda..3c51c6f 100644
@@ -370,7 +370,7 @@ class Build(models.Model):
             return self.get_outcome_text()
 
     def __str__(self):
-        return "%d %s %s" % (self.id, self.project, ",".join([t.target for t in self.target_set.all()]))
+        return "%s %s %s" % (self.id, self.project, ",".join([t.target for t in self.target_set.all()]))
 
 
 # an Artifact is anything that results from a Build, and may be of interest to the user, and is not stored elsewhere

@@ -552,7 +552,7 @@ class Task(models.Model):
     sstate_text  = property(get_sstate_text)
 
     def __unicode__(self):
-        return "%d(%d) %s:%s" % (self.pk, self.build.pk, self.recipe.name, self.task_name)
+        return "%s(%s) %s:%s" % (self.pk, self.build.pk, self.recipe.name, self.task_name)
 
     class Meta:
         ordering = ('order', 'recipe' ,)

@@ -1203,7 +1203,7 @@ class Layer_Version(models.Model):
         return sorted(result, key=lambda x: x.layer.name)
 
     def __unicode__(self):
-        return "%d %s (VCS %s, Project %s)" % (self.pk, str(self.layer), self.get_vcs_reference(), self.build.project if self.build is not None else "No project")
+        return "%s %s (VCS %s, Project %s)" % (self.pk, str(self.layer), self.get_vcs_reference(), self.build.project if self.build is not None else "No project")
 
     class Meta:
         unique_together = ("layer_source", "up_id")

index 3c51c6f..0d598ac 100644
@@ -29,10 +29,28 @@ from django.core import validators
 from django.conf import settings
 import django.db.models.signals
 
-
 import logging
 logger = logging.getLogger("toaster")
 
+if 'sqlite' in settings.DATABASES['default']['ENGINE']:
+    from django.db import transaction, OperationalError
+    from time import sleep
+
+    _base_save = models.Model.save
+    def save(self, *args, **kwargs):
+        while True:
+            try:
+                with transaction.atomic():
+                    return _base_save(self, *args, **kwargs)
+            except OperationalError as err:
+                if 'database is locked' in str(err):
+                    logger.warning("%s, model: %s, args: %s, kwargs: %s",
+                                   err, self.__class__, args, kwargs)
+                    sleep(0.5)
+                    continue
+                raise
+
+    models.Model.save = save
 
 class GitURLValidator(validators.URLValidator):
     import re

index 0862a35..7645c56 100755
@@ -58,26 +58,8 @@ webserverStartAll()
     # python bitbake/lib/toaster/manage.py python manage.py createsuperuser --username=<ME>
     python $BBBASEDIR/lib/toaster/manage.py migrate --noinput || retval=1
 
-    python $BBBASEDIR/lib/toaster/manage.py migrate orm || retval=2
-
-    if [ $retval -eq 1 ]; then
-        echo "Failed db sync, aborting system start" 1>&2
-        return $retval
-    fi
-
-    python $BBBASEDIR/lib/toaster/manage.py migrate orm || retval=1
-
-    if [ $retval -eq 1 ]; then
-        printf "\nError on orm migration, rolling back...\n"
-        python $BBBASEDIR/lib/toaster/manage.py migrate orm 0001_initial --fake
-        return $retval
-    fi
-
-    python $BBBASEDIR/lib/toaster/manage.py migrate bldcontrol || retval=1
-
     if [ $retval -eq 1 ]; then
-        printf "\nError on bldcontrol migration, rolling back...\n"
-        python $BBBASEDIR/lib/toaster/manage.py migrate bldcontrol 0001_initial --fake
+        echo "Failed migrations, aborting system start" 1>&2
         return $retval
     fi
 

index 0d598ac..6e87c54 100644
@@ -52,6 +52,36 @@ if 'sqlite' in settings.DATABASES['default']['ENGINE']:
 
     models.Model.save = save
 
+    # HACK: Monkey patch Django to fix 'database is locked' issue
+
+    from django.db.models.query import QuerySet
+    _base_insert = QuerySet._insert
+    def _insert(self,  *args, **kwargs):
+        with transaction.atomic(using=self.db, savepoint=False):
+            return _base_insert(self, *args, **kwargs)
+    QuerySet._insert = _insert
+
+    from django.utils import six
+    def _create_object_from_params(self, lookup, params):
+        """
+        Tries to create an object using passed params.
+        Used by get_or_create and update_or_create
+        """
+        try:
+            obj = self.create(**params)
+            return obj, True
+        except IntegrityError:
+            exc_info = sys.exc_info()
+            try:
+                return self.get(**lookup), False
+            except self.model.DoesNotExist:
+                pass
+            six.reraise(*exc_info)
+
+    QuerySet._create_object_from_params = _create_object_from_params
+
+    # end of HACK
+
 class GitURLValidator(validators.URLValidator):
     import re
     regex = re.compile(

index 7645c56..1c1e029 100755
@@ -156,16 +156,15 @@ notify_chldexit() {
 
 
 verify_prereq() {
-    # Verify prerequisites
-    regex="([0-9])\.([0-9])"
-    for line in `cat $BBBASEDIR/toaster-requirements.txt | grep Django` ; do
-        [[ `echo $line` =~ $regex ]]
-        required_major_version="${BASH_REMATCH[1]}"
-        required_minor_version="${BASH_REMATCH[2]}"
-    done
-
-    if ! echo "import django; print ($required_major_version,) == django.VERSION[0:1] and django.VERSION[1:2][0] in ($required_minor_version,)" | python 2>/dev/null | grep True >/dev/null; then
-        printf "This program needs Django $required_major_version.$required_minor_version. Please install with\n\npip install -r $BBBASEDIR/toaster-requirements.txt\n"
+    # Verify Django version
+    reqfile=$(python -c "import os; print os.path.realpath('$BBBASEDIR/toaster-requirements.txt')")
+    exp='s/Django\([><=]\+\)\([^,]\+\),\([><=]\+\)\(.\+\)/'
+    exp=$exp'import sys,django;version=django.get_version().split(".");'
+    exp=$exp'sys.exit(not (version \1 "\2".split(".") and version \3 "\4".split(".")))/p'
+    if ! sed -n "$exp" $reqfile | python - ; then
+        req=`grep ^Django $reqfile`
+        echo "This program needs $req"
+        echo "Please install with pip install -r $reqfile"
         return 2
     fi
 

@@ -265,10 +264,7 @@ if [ "$1" = 'restart-bitbake' ] ; then
     return $rc
 fi
 
-if ! verify_prereq; then
-    echo "Error: Could not verify that the needed dependencies are installed. Please use virtualenv and pip to install dependencies listed in toaster-requirements.txt" 1>&2
-    return 1
-fi
+verify_prereq || return 1
 
 # We make sure we're running in the current shell and in a good environment
 if [ -z "$BUILDDIR" ] ||  ! which bitbake >/dev/null 2>&1 ; then

index 5d34494..0e8c742 100644
@@ -1,4 +1,4 @@
-Django==1.8.6
+Django>1.8,<1.9
 argparse==1.2.1
 wsgiref==0.1.2
 beautifulsoup4>=4.4.0