Ported to python 3.4

TODO.md

@@ -236,7 +236,6 @@ require_once(‘/etc/moodles/’.$moodle_host.‘config.php’);``` moodle/drupl
 * display subline links on billlines, to show that they exists.
 * update service orders on a celery task? because it take alot
 
-* 
 * billline quantity eval('10x100') instead of miningless description '(10*100)' 
 
 * IMPORTANT do more test, make sure billed until doesn't get uodated whhen services are billed with les metric, and don't upgrade billed_until when undoing under this circumstances
@@ -245,8 +244,6 @@ require_once(‘/etc/moodles/’.$moodle_host.‘config.php’);``` moodle/drupl
     * threshold for significative metric accountancy on services.handler
     * http://orchestra.pangea.org/admin/orders/order/6418/
     * http://orchestra.pangea.org/admin/orders/order/6495/bill_selected_orders/
-    * >>> round(float(decimal.Decimal('2.63'))/0.5)*0.5
-    * >>> round(float(str(decimal.Decimal('2.99')).split('.')[0]))/1*1
 
 * move normurlpath to orchestra.utils from websites.utils
 
@@ -286,23 +283,13 @@ translation.activate('ca')
 ugettext("Description")
 
 
-Object = disk*15
-bscw quota
-root@web:/home/pangea/bscw/bin ./bsadmin quota report
-                                 Disk                         Objects
-User                     usage   soft   hard time       usage   soft   hard time
-xxx2          --           0    20M    22M                9    200    300     
-xxxxxxxxxxxxx --           0    20M    22M                8    200    300     
-xxxxx         --           0    20M    22M                7    200    300     
-xxxxx         --           0    20M    22M                7    200    300     
-
 
 * saas validate_creation generic approach, for all backends. standard output
 
 * html code x: ×
 
 
-* cleanup backendlogs, monitor data and metricstorage
+* periodic task to cleanup backendlogs, monitor data and metricstorage 
 * create orchestrate databases.Database pk=1 -n --dry-run | --noinput --action save (default)|delete --backend name (limit to this backend) --help
 
 * uwsgi     --max-requests=5000 \           # respawn processes after serving 5000 requests and
@@ -313,3 +300,19 @@ celery max-tasks-per-child
 * postupgradeorchestra send signals in order to hook custom stuff
 
 * make base home for systemusers that ara homed into main account systemuser
+
+
+* user force_text instead of unicode for _()
+
+* autoscale celery workers http://docs.celeryproject.org/en/latest/userguide/workers.html#autoscaling
+
+
+* Delete transaction middleware
+
+
+* webapp has_website list filter
+
+
+apt-get install python3 python3-pip
+cp /usr/local/lib/python2.7/dist-packages/orchestra.pth /usr/local/lib/python3.4/dist-packages/
+glic3rinu's django-fluent-dashboard

docs/conf.py

@@ -1,3 +1,5 @@
+from __future__ import unicode_literals
+
 # -*- coding: utf-8 -*-
 #
 # django-orchestra documentation build configuration file, created by

orchestra/admin/__init__.py

@@ -1,2 +1,2 @@
-from options import *
+from .options import *
-from dashboard import *
+from .dashboard import *

orchestra/admin/actions.py

@@ -100,7 +100,7 @@ class SendEmail(object):
             'content_message': _(
                 "Are you sure you want to send the following message to the following %s?"
             ) % self.opts.verbose_name_plural,
-            'display_objects': [u"%s (%s)" % (contact, contact.email) for contact in self.queryset],
+            'display_objects': ["%s (%s)" % (contact, contact.email) for contact in self.queryset],
             'form': form,
             'subject': subject,
             'message': message,

orchestra/admin/dashboard.py

@@ -5,7 +5,7 @@ from orchestra.core import services
 
 def generate_services_group():
     models = []
-    for model, options in services.get().iteritems():
+    for model, options in services.get().items():
         if options.get('menu', True):
             models.append("%s.%s" % (model.__module__, model._meta.object_name))
     

orchestra/admin/forms.py

@@ -17,7 +17,7 @@ class AdminFormMixin(object):
     def as_admin(self):
         prepopulated_fields = {}
         fieldsets = [
-            (None, {'fields': self.fields.keys()})
+            (None, {'fields': list(self.fields.keys())})
         ]
         adminform = helpers.AdminForm(self, fieldsets, prepopulated_fields)
         template = Template(
@@ -32,7 +32,7 @@ class AdminFormSet(BaseModelFormSet):
     def as_admin(self):
         prepopulated = {}
         fieldsets = [
-            (None, {'fields': self.form().fields.keys()})
+            (None, {'fields': list(self.form().fields.keys())})
         ]
         readonly = getattr(self.form.Meta, 'readonly_fields', ())
         if not hasattr(self.modeladmin, 'verbose_name_plural'):
@@ -114,7 +114,11 @@ class AdminPasswordChangeForm(forms.Form):
         if password:
             self.user.set_password(password)
             if commit:
-                self.user.save(update_fields=['password'])
+                try:
+                    self.user.save(update_fields=['password'])
+                except ValueError:
+                    # password is not a field but an attribute
+                    self.user.save() # Trigger the backend
         for ix, rel in enumerate(self.related):
             password = self.cleaned_data['password1_%s' % ix]
             if password:

orchestra/admin/menu.py

@@ -32,7 +32,7 @@ def api_link(context):
 
 def get_services():
     childrens = []
-    for model, options in services.get().iteritems():
+    for model, options in services.get().items():
         if options.get('menu', True):
             opts = model._meta
             url = reverse('admin:{}_{}_changelist'.format(
@@ -50,7 +50,7 @@ def get_accounts():
     if isinstalled('orchestra.apps.issues'):
         url = reverse('admin:issues_ticket_changelist')
         childrens.append(items.MenuItem(_("Tickets"), url))
-    for model, options in accounts.get().iteritems():
+    for model, options in accounts.get().items():
         if options.get('menu', True):
             opts = model._meta
             url = reverse('admin:{}_{}_changelist'.format(

orchestra/admin/options.py

@@ -80,7 +80,7 @@ class ChangeViewActionsMixin(object):
         """ allow customization on modelamdin """
         views = []
         for action in self.change_view_actions:
-            if isinstance(action, basestring):
+            if isinstance(action, str):
                 action = getattr(self, action)
             view = action_to_view(action, self)
             view.url_name = getattr(action, 'url_name', action.__name__)

orchestra/admin/utils.py

@@ -20,7 +20,7 @@ from .decorators import admin_field
 
 def get_modeladmin(model, import_module=True):
     """ returns the modeladmin registred for model """
-    for k,v in admin.site._registry.iteritems():
+    for k,v in admin.site._registry.items():
         if k is model:
             return v
     if import_module:
@@ -97,7 +97,7 @@ def change_url(obj):
 @admin_field
 def admin_link(*args, **kwargs):
     instance = args[-1]
-    if kwargs['field'] in ['id', 'pk', '__unicode__']:
+    if kwargs['field'] in ['id', 'pk', '__str__']:
         obj = instance
     else:
         try:

orchestra/api/__init__.py

@@ -1,2 +1,2 @@
-from options import *
+from .options import *
-from actions import *
+from .actions import *

orchestra/api/actions.py

@@ -10,7 +10,7 @@ class SetPasswordApiMixin(object):
     def set_password(self, request, pk):
         obj = self.get_object()
         data = request.DATA
-        if isinstance(data, basestring):
+        if isinstance(data, str):
             data = {
                 'password': data
             }

orchestra/api/fields.py

@@ -20,17 +20,17 @@ class OptionField(serializers.WritableField):
         properties = serializers.RelationsList()
         if value:
             model = getattr(parent.opts.model, self.source or 'options').related.model
-            if isinstance(value, basestring):
+            if isinstance(value, str):
                 try:
                     value = json.loads(value)
                 except:
                     raise exceptions.ParseError("Malformed property: %s" % str(value))
             if not related_manager:
                 # POST (new parent object)
-                return [ model(name=n, value=v) for n,v in value.iteritems() ]
+                return [ model(name=n, value=v) for n,v in value.items() ]
             # PUT
             to_save = []
-            for (name, value) in value.iteritems():
+            for (name, value) in value.items():
                 try:
                     # Update existing property
                     prop = related_manager.get(name=name)

orchestra/api/serializers.py

@@ -24,7 +24,7 @@ class HyperlinkedModelSerializer(serializers.HyperlinkedModelSerializer):
         """ removes postonly_fields from attrs when not posting """
         model_attrs = dict(**attrs)
         if instance is not None:
-            for attr, value in attrs.iteritems():
+            for attr, value in attrs.items():
                 if attr in self.opts.postonly_fields:
                     model_attrs.pop(attr)
         return super(HyperlinkedModelSerializer, self).restore_object(model_attrs, instance)

orchestra/apps/accounts/actions.py

@@ -44,7 +44,7 @@ def service_report(modeladmin, request, queryset):
     accounts = []
     fields = []
     # First we get related manager names to fire a prefetch related
-    for name, field in queryset.model._meta._name_map.iteritems():
+    for name, field in queryset.model._meta._name_map.items():
         model = field[0].model
         if model in services.get() and model != queryset.model:
             fields.append((model, name))
@@ -63,3 +63,7 @@ def service_report(modeladmin, request, queryset):
         'date': timezone.now().today()
     }
     return render(request, settings.ACCOUNTS_SERVICE_REPORT_TEMPLATE, context)
+
+
+def delete_related_services(modeladmin, request, queryset):
+    pass

orchestra/apps/accounts/forms.py

@@ -62,12 +62,12 @@ def create_account_creation_form():
             field_name = 'create_%s' % model._meta.model_name
             if self.cleaned_data[field_name]:
                 kwargs = {
-                    key: eval(value, {'account': account}) for key, value in related_kwargs.iteritems()
+                    key: eval(value, {'account': account}) for key, value in related_kwargs.items()
                 }
                 model.objects.create(account=account, **kwargs)
     
     fields.update({
-        'create_related_fields': fields.keys(),
+        'create_related_fields': list(fields.keys()),
         'clean': clean,
         'save_model': save_model,
         'save_related': save_related,

orchestra/apps/accounts/models.py

@@ -44,7 +44,7 @@ class Account(auth.AbstractBaseUser):
     USERNAME_FIELD = 'username'
     REQUIRED_FIELDS = ['email']
     
-    def __unicode__(self):
+    def __str__(self):
         return self.name
     
     @property

orchestra/apps/accounts/settings.py

@@ -11,6 +11,7 @@ ACCOUNTS_TYPES = getattr(settings, 'ACCOUNTS_TYPES', (
     ('COMPANY', _("Company")),
     ('PUBLICBODY', _("Public body")),
     ('STAFF', _("Staff")),
+    ('FRIEND', _("Friend")),
 ))
 
 

orchestra/apps/bills/actions.py

@@ -1,5 +1,5 @@
-import StringIO
 import zipfile
+from io import StringIO
 
 from django.contrib import messages
 from django.contrib.admin import helpers
@@ -20,7 +20,7 @@ from .helpers import validate_contact
 
 def download_bills(modeladmin, request, queryset):
     if queryset.count() > 1:
-        stringio = StringIO.StringIO()
+        stringio = StringIO()
         archive = zipfile.ZipFile(stringio, 'w')
         for bill in queryset:
             pdf = html_to_pdf(bill.html or bill.render())
@@ -122,7 +122,7 @@ def undo_billing(modeladmin, request, queryset):
             except KeyError:
                 group[line.order] = [line]
     # TODO force incomplete info
-    for order, lines in group.iteritems():
+    for order, lines in group.items():
         # Find path from ini to end
         for attr in ['order_id', 'order_billed_on', 'order_billed_until']:
             if not getattr(self, attr):
@@ -131,7 +131,7 @@ def undo_billing(modeladmin, request, queryset):
         if 'a' != order.billed_on:
             raise ValidationError(_("Dates don't match"))
         prev = order.billed_on
-        for ix in xrange(0, len(lines)):
+        for ix in range(0, len(lines)):
             if lines[ix].order_b: # TODO we need to look at the periods here
                 pass
         order.billed_until = self.order_billed_until

orchestra/apps/bills/admin.py

@@ -210,8 +210,8 @@ class BillAdmin(AccountAdminMixin, ExtendedModelAdmin):
     def get_inline_instances(self, request, obj=None):
         inlines = super(BillAdmin, self).get_inline_instances(request, obj)
         if obj and not obj.is_open:
-            return [inline for inline in inlines if not type(inline) == BillLineInline]
+            return [inline for inline in inlines if not isinstance(inline, BillLineInline)]
-        return [inline for inline in inlines if not type(inline) == ClosedBillLineInline]
+        return [inline for inline in inlines if not isinstance(inline, ClosedBillLineInline)]
     
     def formfield_for_dbfield(self, db_field, **kwargs):
         """ Make value input widget bigger """

orchestra/apps/bills/forms.py

@@ -33,7 +33,7 @@ class SelectSourceForm(forms.ModelForm):
                     choices.append((source.pk, str(source)))
             self.fields['source'].choices = choices
             self.fields['source'].initial = choices[-1][0]
-            self.fields['bill_link'].initial = admin_link('__unicode__')(bill)
+            self.fields['bill_link'].initial = admin_link('__str__')(bill)
             self.fields['display_type'].initial = bill.get_type_display()
     
     def clean_source(self):

orchestra/apps/bills/models.py

@@ -31,7 +31,7 @@ class BillContact(models.Model):
             default=settings.BILLS_CONTACT_DEFAULT_COUNTRY)
     vat = models.CharField(_("VAT number"), max_length=64)
     
-    def __unicode__(self):
+    def __str__(self):
         return self.name
     
     def get_name(self):
@@ -98,7 +98,7 @@ class Bill(models.Model):
     class Meta:
         get_latest_by = 'id'
     
-    def __unicode__(self):
+    def __str__(self):
         return self.number
     
     @cached_property
@@ -235,7 +235,7 @@ class Bill(models.Model):
     
     def get_total(self):
         total = 0
-        for tax, subtotal in self.get_subtotals().iteritems():
+        for tax, subtotal in self.get_subtotals().items():
             subtotal, taxes = subtotal
             total += subtotal + taxes
         return total
@@ -287,7 +287,7 @@ class BillLine(models.Model):
     amended_line = models.ForeignKey('self', verbose_name=_("amended line"),
             related_name='amendment_lines', null=True, blank=True)
     
-    def __unicode__(self):
+    def __str__(self):
         return "#%i" % self.number
     
     @cached_property

orchestra/apps/bills/settings.py

@@ -90,7 +90,7 @@ BILLS_CONTACT_DEFAULT_CITY = getattr(settings, 'BILLS_CONTACT_DEFAULT_CITY',
 
 
 BILLS_CONTACT_COUNTRIES = getattr(settings, 'BILLS_CONTACT_COUNTRIES',
-    ((k,v) for k,v in data.COUNTRIES.iteritems())
+    ((k,v) for k,v in data.COUNTRIES.items())
 )
 
 

orchestra/apps/contacts/admin.py

@@ -62,7 +62,7 @@ class ContactAdmin(AccountAdminMixin, ExtendedModelAdmin):
     actions = [SendEmail(),]
     
     def dispaly_name(self, contact):
-        return unicode(contact)
+        return str(contact)
     dispaly_name.short_description = _("Name")
     dispaly_name.admin_order_field = 'short_name'
     

orchestra/apps/contacts/models.py

@@ -55,7 +55,7 @@ class Contact(models.Model):
             choices=settings.CONTACTS_COUNTRIES,
             default=settings.CONTACTS_DEFAULT_COUNTRY)
     
-    def __unicode__(self):
+    def __str__(self):
         return self.full_name or self.short_name
     
     def clean(self):

orchestra/apps/contacts/settings.py

@@ -18,7 +18,7 @@ CONTACTS_DEFAULT_CITY = getattr(settings, 'CONTACTS_DEFAULT_CITY',
 
 
 CONTACTS_COUNTRIES = getattr(settings, 'CONTACTS_COUNTRIES', (
-    (k,v) for k,v in data.COUNTRIES.iteritems()
+    (k,v) for k,v in data.COUNTRIES.items()
 ))
 
 

orchestra/apps/databases/models.py

@@ -26,7 +26,7 @@ class Database(models.Model):
     class Meta:
         unique_together = ('name', 'type')
     
-    def __unicode__(self):
+    def __str__(self):
         return "%s" % self.name
     
     @property
@@ -59,7 +59,7 @@ class DatabaseUser(models.Model):
         verbose_name_plural = _("DB users")
         unique_together = ('username', 'type')
     
-    def __unicode__(self):
+    def __str__(self):
         return self.username
     
     def get_username(self):
@@ -68,7 +68,7 @@ class DatabaseUser(models.Model):
     def set_password(self, password):
         if self.type == self.MYSQL:
             # MySQL stores sha1(sha1(password).binary).hex
-            binary = hashlib.sha1(password).digest()
+            binary = hashlib.sha1(password.encode('utf-8')).digest()
             hexdigest = hashlib.sha1(binary).hexdigest()
             self.password = '*%s' % hexdigest.upper()
         else:

orchestra/apps/domains/admin.py

@@ -41,7 +41,7 @@ class DomainInline(admin.TabularInline):
     extra = 0
     verbose_name_plural = _("Subdomains")
     
-    domain_link = admin_link('__unicode__')
+    domain_link = admin_link('__str__')
     domain_link.short_description = _("Name")
     account_link = admin_link('account')
     

orchestra/apps/domains/models.py

@@ -23,7 +23,7 @@ class Domain(models.Model):
     serial = models.IntegerField(_("serial"), default=utils.generate_zone_serial,
             help_text=_("Serial number"))
     
-    def __unicode__(self):
+    def __str__(self):
         return self.name
     
     @classmethod
@@ -228,7 +228,7 @@ class Record(models.Model):
     type = models.CharField(_("type"), max_length=32, choices=TYPE_CHOICES)
     value = models.CharField(_("value"), max_length=256)
     
-    def __unicode__(self):
+    def __str__(self):
         return "%s %s IN %s %s" % (self.domain, self.get_ttl(), self.type, self.value)
     
     def clean(self):

orchestra/apps/issues/admin.py

@@ -1,5 +1,3 @@
-from __future__ import absolute_import
-
 from django import forms
 from django.conf.urls import patterns
 from django.contrib import admin
@@ -267,8 +265,8 @@ class TicketAdmin(ChangeListDefaultFilter, ExtendedModelAdmin):
             changes = get_ticket_changes(self, request, ticket)
             if changes:
                 content = markdown_formated_changes(changes)
-                content += request.POST[u'messages-2-0-content']
+                content += request.POST['messages-2-0-content']
-                request.POST[u'messages-2-0-content'] = content
+                request.POST['messages-2-0-content'] = content
         ticket.mark_as_read_by(request.user)
         context = {'title': "Issue #%i - %s" % (ticket.id, ticket.subject)}
         context.update(extra_context or {})

orchestra/apps/issues/filters.py

@@ -22,7 +22,7 @@ class MyTicketsListFilter(SimpleListFilter):
     def choices(self, cl):
         """ Remove default All """
         choices = iter(super(MyTicketsListFilter, self).choices(cl))
-        choices.next()
+        next(choices)
         return choices
 
 
@@ -52,6 +52,6 @@ class TicketStateListFilter(SimpleListFilter):
     def choices(self, cl):
         """ Remove default All """
         choices = iter(super(TicketStateListFilter, self).choices(cl))
-        choices.next()
+        next(choices)
         return choices
 

orchestra/apps/issues/helpers.py

@@ -11,7 +11,7 @@ def filter_actions(modeladmin, ticket, request):
             del_actions.append('take')
     exclude = lambda a: not (a == action or a.url_name == action)
     for action in del_actions:
-        actions = filter(exclude, actions)
+        actions = list(filter(exclude, actions))
     return actions
 
 

orchestra/apps/issues/models.py

@@ -20,7 +20,7 @@ class Queue(models.Model):
             default=contacts_settings.CONTACTS_DEFAULT_EMAIL_USAGES,
             help_text=_("Contacts to notify by email"))
     
-    def __unicode__(self):
+    def __str__(self):
         return self.verbose_name or self.name
     
     def save(self, *args, **kwargs):
@@ -77,8 +77,8 @@ class Ticket(models.Model):
     class Meta:
         ordering = ['-updated_at']
     
-    def __unicode__(self):
+    def __str__(self):
-        return unicode(self.pk)
+        return str(self.pk)
     
     def get_notification_emails(self):
         """ Get emails of the users related to the ticket """
@@ -164,8 +164,8 @@ class Message(models.Model):
     class Meta:
         get_latest_by = 'id'
     
-    def __unicode__(self):
+    def __str__(self):
-        return u"#%i" % self.id
+        return "#%i" % self.id
     
     def save(self, *args, **kwargs):
         """ notify stakeholders of ticket update """

orchestra/apps/lists/backends.py

@@ -295,7 +295,7 @@ class MailmanTraffic(ServiceMonitor):
                     except IOError as e:
                         sys.stderr.write(e)
                 
-                for list_name, opts in lists.iteritems():
+                for list_name, opts in lists.items():
                     __, object_id, size = opts
                     if size:
                         cmd = ' '.join(('list_members', list_name, '| wc -l'))

orchestra/apps/lists/models.py

@@ -30,7 +30,7 @@ class List(models.Model):
     class Meta:
         unique_together = ('address_name', 'address_domain')
     
-    def __unicode__(self):
+    def __str__(self):
         return self.name
     
     @property

orchestra/apps/mailboxes/admin.py

@@ -1,5 +1,5 @@
 import copy
-from urlparse import parse_qs
+from urllib.parse import urlparse
 
 from django import forms
 from django.contrib import admin

orchestra/apps/mailboxes/backends.py

@@ -431,7 +431,7 @@ class PostfixTraffic(ServiceMonitor):
                     except IOError as e:
                         sys.stderr.write(e)
                     
-                for username, opts in users.iteritems():
+                for username, opts in users.items():
                     size = 0
                     for req_id in reverse[username]:
                         size += targets[req_id][1] * counter.get(req_id, 0)

orchestra/apps/mailboxes/models.py

@@ -25,7 +25,7 @@ class Mailbox(models.Model):
     filtering = models.CharField(max_length=16,
             default=settings.MAILBOXES_MAILBOX_DEFAULT_FILTERING,
             choices=[
-                (k, v[0]) for k,v in settings.MAILBOXES_MAILBOX_FILTERINGS.iteritems()
+                (k, v[0]) for k,v in settings.MAILBOXES_MAILBOX_FILTERINGS.items()
             ])
     custom_filtering = models.TextField(_("filtering"), blank=True,
             validators=[validators.validate_sieve],
@@ -36,7 +36,7 @@ class Mailbox(models.Model):
     class Meta:
         verbose_name_plural = _("mailboxes")
     
-    def __unicode__(self):
+    def __str__(self):
         return self.name
     
     @cached_property
@@ -62,7 +62,7 @@ class Mailbox(models.Model):
     
     def get_filtering(self):
         __, filtering = settings.MAILBOXES_MAILBOX_FILTERINGS[self.filtering]
-        if isinstance(filtering, basestring):
+        if isinstance(filtering, str):
             return filtering
         return filtering(self)
     
@@ -104,7 +104,7 @@ class Address(models.Model):
         verbose_name_plural = _("addresses")
         unique_together = ('name', 'domain')
     
-    def __unicode__(self):
+    def __str__(self):
         return self.email
     
     @property
@@ -154,7 +154,7 @@ class Autoresponse(models.Model):
     message = models.TextField(_("message"))
     enabled = models.BooleanField(_("enabled"), default=False)
     
-    def __unicode__(self):
+    def __str__(self):
         return self.address
 
 

orchestra/apps/miscellaneous/admin.py

@@ -54,7 +54,7 @@ class MiscServiceAdmin(ExtendedModelAdmin):
 
 class MiscellaneousAdmin(AccountAdminMixin, SelectPluginAdminMixin, admin.ModelAdmin):
     list_display = (
-        '__unicode__', 'service_link', 'amount', 'dispaly_active', 'account_link'
+        '__str__', 'service_link', 'amount', 'dispaly_active', 'account_link'
     )
     list_filter = ('service__name', 'is_active')
     list_select_related = ('service', 'account')

orchestra/apps/miscellaneous/migrations/0001_initial.py

@@ -1,5 +1,4 @@
 # -*- coding: utf-8 -*-
-from __future__ import unicode_literals
 
 from django.db import models, migrations
 import orchestra.core.validators

orchestra/apps/miscellaneous/migrations/0002_auto_20141112_1853.py

@@ -1,5 +1,4 @@
 # -*- coding: utf-8 -*-
-from __future__ import unicode_literals
 
 from django.db import models, migrations
 import orchestra.models.fields

orchestra/apps/miscellaneous/models.py

@@ -25,7 +25,7 @@ class MiscService(models.Model):
             help_text=_("Whether new instances of this service can be created "
                         "or not. Unselect this instead of deleting services."))
     
-    def __unicode__(self):
+    def __str__(self):
         return self.name
     
     def clean(self):
@@ -51,7 +51,7 @@ class Miscellaneous(models.Model):
     class Meta:
         verbose_name_plural = _("miscellaneous")
     
-    def __unicode__(self):
+    def __str__(self):
         return self.identifier or self.description[:32] or str(self.service)
     
     @cached_property

orchestra/apps/orchestration/backends.py

@@ -18,7 +18,7 @@ class ServiceMount(plugins.PluginMount):
         super(ServiceMount, cls).__init__(name, bases, attrs)
 
 
-class ServiceBackend(plugins.Plugin):
+class ServiceBackend(plugins.Plugin, metaclass=ServiceMount):
     """
     Service management backend base class
     
@@ -37,13 +37,8 @@ class ServiceBackend(plugins.Plugin):
     default_route_match = 'True'
     block = False # Force the backend manager to block in multiple backend executions and execute them synchronously
     
-    __metaclass__ = ServiceMount
-    
-    def __unicode__(self):
-        return type(self).__name__
-    
     def __str__(self):
-        return unicode(self)
+        return type(self).__name__
     
     def __init__(self):
         self.head = []
@@ -138,7 +133,7 @@ class ServiceBackend(plugins.Plugin):
                 scripts[method] += commands
             except KeyError:
                 pass
-        return list(scripts.iteritems())
+        return list(scripts.items())
     
     def get_banner(self):
         time = timezone.now().strftime("%h %d, %Y %I:%M:%S %Z")
@@ -159,7 +154,7 @@ class ServiceBackend(plugins.Plugin):
     
     def append(self, *cmd):
         # aggregate commands acording to its execution method
-        if isinstance(cmd[0], basestring):
+        if isinstance(cmd[0], str):
             method = self.script_method
             cmd = cmd[0]
         else:

orchestra/apps/orchestration/helpers.py

@@ -7,10 +7,9 @@ from django.utils.translation import ungettext, ugettext_lazy as _
 
 
 def send_report(method, args, log):
-    backend = method.im_class().get_name()
     server = args[0]
-    subject = '[Orchestra] %s execution %s on %s'
+    backend = method.__self__.__class__.__name__
-    subject = subject % (backend, log.state, server)
+    subject = '[Orchestra] %s execution %s on %s'  % (backend, log.state, server)
     separator = "\n%s\n\n" % ('~ '*40,)
     message = separator.join([
         "[EXIT CODE] %s" % log.exit_code,

orchestra/apps/orchestration/management/commands/orchestrate.py

@@ -32,7 +32,7 @@ class Command(BaseCommand):
         scripts, block = manager.generate(operations)
         servers = []
         # Print scripts
-        for key, value in scripts.iteritems():
+        for key, value in scripts.items():
             server, __ = key
             backend, operations = value
             servers.append(server.name)

orchestra/apps/orchestration/manager.py

@@ -1,3 +1,4 @@
+
 import logging
 import threading
 import traceback
@@ -47,7 +48,7 @@ def close_connection(execute):
     def wrapper(*args, **kwargs):
         try:
             log = execute(*args, **kwargs)
-        except:
+        except Exception as e:
             pass
         else:
             wrapper.log = log
@@ -86,7 +87,7 @@ def generate(operations):
             post_action.send(**kwargs)
             if backend.block:
                 block = True
-    for value in scripts.itervalues():
+    for value in scripts.values():
         backend, operations = value
         backend.commit()
     return scripts, block
@@ -97,13 +98,13 @@ def execute(scripts, block=False, async=False):
     # Execute scripts on each server
     threads = []
     executions = []
-    for key, value in scripts.iteritems():
+    for key, value in scripts.items():
         server, __ = key
         backend, operations = value
         execute = as_task(backend.execute)
         logger.debug('%s is going to be executed on %s' % (backend, server))
         if block:
-            # Execute one bakend at a time, no need for threads
+            # Execute one backend at a time, no need for threads
             execute(server, async=async)
         else:
             execute = close_connection(execute)

orchestra/apps/orchestration/methods.py

@@ -29,7 +29,8 @@ def SSH(backend, log, server, cmds, async=False):
     """
     script = '\n'.join(cmds)
     script = script.replace('\r', '')
-    digest = hashlib.md5(script).hexdigest()
+    bscript = script.encode('utf-8')
+    digest = hashlib.md5(bscript).hexdigest()
     path = os.path.join(settings.ORCHESTRATION_TEMP_SCRIPT_PATH, digest)
     remote_path = "%s.remote" % path
     log.script = '# %s\n%s' % (remote_path, script)
@@ -41,8 +42,8 @@ def SSH(backend, log, server, cmds, async=False):
     try:
         # Avoid "Argument list too long" on large scripts by genereting a file
         # and scping it to the remote server
-        with os.fdopen(os.open(path, os.O_WRONLY | os.O_CREAT, 0600), 'w') as handle:
+        with os.fdopen(os.open(path, os.O_WRONLY | os.O_CREAT, 0o600), 'wb') as handle:
-            handle.write(script)
+            handle.write(bscript)
         
         # ssh connection
         ssh = paramiko.SSHClient()
@@ -62,7 +63,7 @@ def SSH(backend, log, server, cmds, async=False):
         # Copy script to remote server
         sftp = paramiko.SFTPClient.from_transport(transport)
         sftp.put(path, remote_path)
-        sftp.chmod(remote_path, 0600)
+        sftp.chmod(remote_path, 0o600)
         sftp.close()
         os.remove(path)
         
@@ -124,7 +125,7 @@ def SSH(backend, log, server, cmds, async=False):
 
 def Python(backend, log, server, cmds, async=False):
     # TODO collect stdout?
-    script = [ str(cmd.func.func_name) + str(cmd.args) for cmd in cmds ]
+    script = [ str(cmd.func.__name__) + str(cmd.args) for cmd in cmds ]
     script = json.dumps(script, indent=4).replace('"', '')
     log.script = '\n'.join([log.script, script])
     log.save(update_fields=['script'])
@@ -133,7 +134,7 @@ def Python(backend, log, server, cmds, async=False):
             with CaptureStdout() as stdout:
                 result = cmd(server)
             for line in stdout:
-                log.stdout += unicode(line, errors='replace') + '\n'
+                log.stdout += line + '\n'
             if async:
                 log.save(update_fields=['stdout'])
     except:

orchestra/apps/orchestration/middlewares.py

@@ -1,6 +1,7 @@
 from threading import local
 
 from django.core.urlresolvers import resolve
+from django.db import connection, transaction
 from django.db.models.signals import pre_delete, post_save, m2m_changed
 from django.dispatch import receiver
 from django.http.response import HttpResponseServerError
@@ -36,6 +37,11 @@ class OperationsMiddleware(object):
     """
     Stores all the operations derived from save and delete signals and executes them
     at the end of the request/response cycle
+    
+    It also works as a transaction middleware. Each view function will be run
+    with commit_on_response activated - that way a save() doesn't do a direct
+    commit, the commit is done when a successful response is created. If an
+    exception happens, the database is rolled back.
     """
     # Thread local is used because request object is not available on model signals
     thread_locals = local()
@@ -71,16 +77,55 @@ class OperationsMiddleware(object):
         instance = kwargs.pop('instance')
         manager.collect(instance, action, **kwargs)
     
+    def commit_transaction(self):
+        if not transaction.get_autocommit():
+            if transaction.is_dirty():
+                # Note: it is possible that the commit fails. If the reason is
+                # closed connection or some similar reason, then there is
+                # little hope to proceed nicely. However, in some cases (
+                # deferred foreign key checks for exampl) it is still possible
+                # to rollback().
+                try:
+                    transaction.commit()
+                except Exception:
+                    # If the rollback fails, the transaction state will be
+                    # messed up. It doesn't matter, the connection will be set
+                    # to clean state after the request finishes. And, we can't
+                    # clean the state here properly even if we wanted to, the
+                    # connection is in transaction but we can't rollback...
+                    transaction.rollback()
+                    transaction.leave_transaction_management()
+                    raise
+            transaction.leave_transaction_management()
+    
     def process_request(self, request):
         """ Store request on a thread local variable """
         type(self).thread_locals.request = request
+        # Enters transaction management
+        transaction.enter_transaction_management()
+    
+    def process_exception(self, request, exception):
+        """Rolls back the database and leaves transaction management"""
+        if transaction.is_dirty():
+            # This rollback might fail because of network failure for example.
+            # If rollback isn't possible it is impossible to clean the
+            # connection's state. So leave the connection in dirty state and
+            # let request_finished signal deal with cleaning the connection.
+            transaction.rollback()
+        transaction.leave_transaction_management()
     
     def process_response(self, request, response):
         """ Processes pending backend operations """
         if not isinstance(response, HttpResponseServerError):
             operations = type(self).get_pending_operations()
             if operations:
-                logs = Operation.execute(operations)
+                scripts, block = manager.generate(operations)
+                # We commit transaction just before executing operations
+                # because here is when IntegrityError show up
+                self.commit_transaction()
+                logs = manager.execute(scripts, block=block)
                 if logs and resolve(request.path).app_name == 'admin':
                     message_user(request, logs)
+                return response
+        self.commit_transaction()
         return response

orchestra/apps/orchestration/models.py

@@ -25,7 +25,7 @@ class Server(models.Model):
             choices=settings.ORCHESTRATION_OS_CHOICES,
             default=settings.ORCHESTRATION_DEFAULT_OS)
     
-    def __unicode__(self):
+    def __str__(self):
         return self.name
     
     def get_address(self):
@@ -83,7 +83,7 @@ class BackendLog(models.Model):
     class Meta:
         get_latest_by = 'id'
     
-    def __unicode__(self):
+    def __str__(self):
         return "%s@%s" % (self.backend, self.server)
     
     @property
@@ -116,7 +116,7 @@ class BackendOperation(models.Model):
         verbose_name = _("Operation")
         verbose_name_plural = _("Operations")
     
-    def __unicode__(self):
+    def __str__(self):
         return '%s.%s(%s)' % (self.backend, self.action, self.instance)
     
     def __hash__(self):
@@ -184,7 +184,7 @@ class Route(models.Model):
     class Meta:
         unique_together = ('backend', 'host')
     
-    def __unicode__(self):
+    def __str__(self):
         return "%s@%s" % (self.backend, self.host)
     
     @property
@@ -218,7 +218,7 @@ class Route(models.Model):
         if not self.match:
             self.match = 'True'
         if self.backend:
-            backend_model = self.backend_class.model
+            backend_model = self.backend_class.model_class()
             try:
                 obj = backend_model.objects.all()[0]
             except IndexError:
@@ -227,8 +227,7 @@ class Route(models.Model):
                 bool(self.matches(obj))
             except Exception as exception:
                 name = type(exception).__name__
-                message = exception.message
+                raise ValidationError(': '.join((name, exception)))
-                raise ValidationError(': '.join((name, message)))
     
     def matches(self, instance):
         safe_locals = {

orchestra/apps/orders/forms.py

@@ -29,8 +29,8 @@ class BillSelectedOptionsForm(AdminFormMixin, forms.Form):
 
 def selected_related_choices(queryset):
     for order in queryset:
-        verbose = u'<a href="{order_url}">{description}</a> '
+        verbose = '<a href="{order_url}">{description}</a> '
-        verbose += u'<a class="account" href="{account_url}">{account}</a>'
+        verbose += '<a class="account" href="{account_url}">{account}</a>'
         verbose = verbose.format(
             order_url=change_url(order), description=order.description,
             account_url=change_url(order.account), account=str(order.account)

orchestra/apps/orders/models.py

@@ -6,7 +6,7 @@ from django.db import models
 from django.db.migrations.recorder import MigrationRecorder
 from django.db.models import F, Q
 from django.db.models.loading import get_model
-from django.db.models.signals import post_delete, post_save
+from django.db.models.signals import post_delete, post_save, pre_delete
 from django.dispatch import receiver
 from django.contrib.admin.models import LogEntry
 from django.contrib.contenttypes import generic
@@ -32,9 +32,9 @@ class OrderQuerySet(models.QuerySet):
         bill_backend = Order.get_bill_backend()
         qs = self.select_related('account', 'service')
         commit = options.get('commit', True)
-        for account, services in qs.group_by('account', 'service').iteritems():
+        for account, services in qs.group_by('account', 'service').items():
             bill_lines = []
-            for service, orders in services.iteritems():
+            for service, orders in services.items():
                 for order in orders:
                     # Saved for undoing support
                     order.old_billed_on = order.billed_on
@@ -65,8 +65,8 @@ class OrderQuerySet(models.QuerySet):
         conflictive = conflictive.exclude(service__billing_period=Service.NEVER)
         conflictive = conflictive.select_related('service').group_by('account_id', 'service')
         qs = Q()
-        for account_id, services in conflictive.iteritems():
+        for account_id, services in conflictive.items():
-            for service, orders in services.iteritems():
+            for service, orders in services.items():
                 if not service.rates.exists():
                     continue
                 ini = datetime.date.max
@@ -127,8 +127,8 @@ class Order(models.Model):
     class Meta:
         get_latest_by = 'id'
     
-    def __unicode__(self):
+    def __str__(self):
-        return unicode(self.service)
+        return str(self.service)
     
     @classmethod
     def update_orders(cls, instance, service=None, commit=True):
@@ -178,7 +178,7 @@ class Order(models.Model):
                 MetricStorage.store(self, metric)
             metric = ', metric:{}'.format(metric)
         description = handler.get_order_description(instance)
-        logger.info(u"UPDATED order id:{id}, description:{description}{metric}".format(
+        logger.info("UPDATED order id:{id}, description:{description}{metric}".format(
                 id=self.id, description=description, metric=metric).encode('ascii', 'ignore')
         )
         if self.description != description:
@@ -247,8 +247,8 @@ class MetricStorage(models.Model):
     class Meta:
         get_latest_by = 'id'
     
-    def __unicode__(self):
+    def __str__(self):
-        return unicode(self.order)
+        return str(self.order)
     
     @classmethod
     def store(cls, order, value):
@@ -268,12 +268,27 @@ class MetricStorage(models.Model):
 
 accounts.register(Order)
 
+@receiver(pre_delete, dispatch_uid="orders.account_orders")
+def account_orders(sender, **kwargs):
+    account = kwargs['instance']
+    if isinstance(account, Order.account.field.rel.to):
+        account._deleted = True
+
 
 # TODO build a cache hash table {model: related, model: None}
 @receiver(post_delete, dispatch_uid="orders.cancel_orders")
 def cancel_orders(sender, **kwargs):
     if sender._meta.app_label not in settings.ORDERS_EXCLUDED_APPS:
         instance = kwargs['instance']
+        # Account delete will delete all related orders, no need to maintain order consistency
+        if isinstance(instance, Order.account.field.rel.to):
+#            print 'aaaaaaaaaaaaaAAAAAAAAAAAAAAAAaa'
+            return
+#        print 'delete', sender, kwargs
+        try:
+            print(instance.account.pk)
+        except Exception as e:
+            pass
         if type(instance) in services:
             for order in Order.objects.by_object(instance).active():
                 order.cancel()
@@ -286,6 +301,7 @@ def cancel_orders(sender, **kwargs):
 def update_orders(sender, **kwargs):
     if sender._meta.app_label not in settings.ORDERS_EXCLUDED_APPS:
         instance = kwargs['instance']
+#        print 'save', sender, kwargs
         if type(instance) in services:
             Order.update_orders(instance)
         elif not hasattr(instance, 'account'):

orchestra/apps/payments/actions.py

@@ -21,7 +21,7 @@ def process_transactions(modeladmin, request, queryset):
         msg = _("Selected transactions must be on '{state}' state")
         messages.error(request, msg.format(state=Transaction.WAITTING_PROCESSING))
         return
-    for method, transactions in queryset.group_by('source__method').iteritems():
+    for method, transactions in queryset.group_by('source__method').items():
         if method is not None:
             method = PaymentMethod.get(method)
             procs = method.process(transactions)

orchestra/apps/payments/admin.py

@@ -39,7 +39,7 @@ class TransactionInline(admin.TabularInline):
     )
     readonly_fields = fields
     
-    transaction_link = admin_link('__unicode__', short_description=_("ID"))
+    transaction_link = admin_link('__str__', short_description=_("ID"))
     bill_link = admin_link('bill')
     source_link = admin_link('source')
     display_state = admin_colored('state', colors=STATE_COLORS)

orchestra/apps/payments/methods/sepadirectdebit.py

@@ -3,7 +3,7 @@ import lxml.builder
 import os
 from lxml import etree
 from lxml.builder import E
-from StringIO import StringIO
+from io import StringIO
 
 from django import forms
 from django.utils import timezone

orchestra/apps/payments/models.py

@@ -26,7 +26,7 @@ class PaymentSource(models.Model):
     
     objects = PaymentSourcesQueryset.as_manager()
     
-    def __unicode__(self):
+    def __str__(self):
         return "%s (%s)" % (self.label, self.method_class.verbose_name)
     
     @cached_property
@@ -76,7 +76,7 @@ class TransactionQuerySet(models.QuerySet):
         return self.exclude(state=Transaction.REJECTED)
     
     def amount(self):
-        return self.aggregate(models.Sum('amount')).values()[0]
+        return next(iter(self.aggregate(models.Sum('amount')).values()))
     
     def processing(self):
         return self.filter(state__in=[Transaction.EXECUTED, Transaction.WAITTING_EXECUTION])
@@ -111,7 +111,7 @@ class Transaction(models.Model):
     
     objects = TransactionQuerySet.as_manager()
     
-    def __unicode__(self):
+    def __str__(self):
         return "Transaction #{}".format(self.id)
     
     @property
@@ -173,7 +173,7 @@ class TransactionProcess(models.Model):
     class Meta:
         verbose_name_plural = _("Transaction processes")
     
-    def __unicode__(self):
+    def __str__(self):
         return '#%i' % self.id
     
     def check_state(*args):

orchestra/apps/plans/models.py

@@ -23,7 +23,7 @@ class Plan(models.Model):
     allow_multiple = models.BooleanField(_("allow multiple"), default=False,
         help_text=_("Designates whether this plan allow for multiple contractions."))
     
-    def __unicode__(self):
+    def __str__(self):
         return self.get_verbose_name()
     
     def clean(self):
@@ -41,7 +41,7 @@ class ContractedPlan(models.Model):
     class Meta:
         verbose_name_plural = _("plans")
     
-    def __unicode__(self):
+    def __str__(self):
         return str(self.plan)
     
     def clean(self):
@@ -80,7 +80,7 @@ class Rate(models.Model):
     class Meta:
         unique_together = ('service', 'plan', 'quantity')
     
-    def __unicode__(self):
+    def __str__(self):
         return "{}-{}".format(str(self.price), self.quantity)
     
     @classmethod
@@ -90,7 +90,7 @@ class Rate(models.Model):
     @classmethod
     def get_choices(cls):
         choices = []
-        for name, method in cls.RATE_METHODS.iteritems():
+        for name, method in cls.RATE_METHODS.items():
             choices.append((name, method.verbose_name))
         return choices
 

orchestra/apps/plans/rating.py

@@ -67,8 +67,8 @@ def _prepend_missing(rates):
 def step_price(rates, metric):
     # Step price
     group = []
-    minimal = (sys.maxint, [])
+    minimal = (sys.maxsize, [])
-    for plan, rates in rates.group_by('plan').iteritems():
+    for plan, rates in rates.group_by('plan').items():
         rates = _prepend_missing(rates)
         value, steps = _compute(rates, metric)
         if plan.is_combinable:

orchestra/apps/resources/actions.py

@@ -9,7 +9,7 @@ from django.utils.translation import ungettext, ugettext_lazy as _
 def run_monitor(modeladmin, request, queryset):
     """ Resource and ResourceData run monitors """
     referer = request.META.get('HTTP_REFERER')
-    async = modeladmin.model.monitor.func_defaults[0]
+    async = modeladmin.model.monitor.__defaults__[0]
     logs = set()
     for resource in queryset:
         results = resource.monitor()

orchestra/apps/resources/admin.py

@@ -262,7 +262,7 @@ def insert_resource_inlines():
             if inline.__name__ == 'ResourceInline':
                 modeladmin_class.inlines.remove(inline)
     resources = Resource.objects.filter(is_active=True)
-    for ct, resources in resources.group_by('content_type').iteritems():
+    for ct, resources in resources.group_by('content_type').items():
         inline = resource_inline_factory(resources)
         model = ct.model_class()
         insertattr(model, 'inlines', inline)

orchestra/apps/resources/methods.py

@@ -7,10 +7,8 @@ from django.utils.translation import ugettext_lazy as _
 from orchestra import plugins
 
 
-class DataMethod(plugins.Plugin):
+class DataMethod(plugins.Plugin, metaclass=plugins.PluginMount):
     """ filters and computes dataset usage """
-    __metaclass__ = plugins.PluginMount
-    
     def filter(self, dataset):
         """ Filter the dataset to get the relevant data according to the period """
         raise NotImplementedError

orchestra/apps/resources/migrations/0001_initial.py

@@ -1,5 +1,4 @@
 # -*- coding: utf-8 -*-
-from __future__ import unicode_literals
 
 from django.db import models, migrations
 import orchestra.core.validators

orchestra/apps/resources/migrations/0002_auto_20141117_1415.py

@@ -1,5 +1,4 @@
 # -*- coding: utf-8 -*-
-from __future__ import unicode_literals
 
 from django.db import models, migrations
 

orchestra/apps/resources/models.py

@@ -83,7 +83,7 @@ class Resource(models.Model):
             ('verbose_name', 'content_type')
         )
     
-    def __unicode__(self):
+    def __str__(self):
         return "{}-{}".format(str(self.content_type), self.name)
     
     @cached_property
@@ -188,7 +188,7 @@ class ResourceData(models.Model):
         unique_together = ('resource', 'content_type', 'object_id')
         verbose_name_plural = _("resource data")
     
-    def __unicode__(self):
+    def __str__(self):
         return "%s: %s" % (str(self.resource), str(self.content_object))
     
     @classmethod
@@ -278,7 +278,7 @@ class MonitorData(models.Model):
         get_latest_by = 'id'
         verbose_name_plural = _("monitor data")
     
-    def __unicode__(self):
+    def __str__(self):
         return str(self.monitor)
     
     @cached_property
@@ -331,7 +331,7 @@ def create_resource_relation():
                 field for field in related._meta.virtual_fields if field.rel.to != ResourceData
             ]
     
-    for ct, resources in Resource.objects.group_by('content_type').iteritems():
+    for ct, resources in Resource.objects.group_by('content_type').items():
         model = ct.model_class()
         relation = GenericRelation('resources.ResourceData')
         model.add_to_class('resource_set', relation)

orchestra/apps/resources/serializers.py

@@ -41,7 +41,7 @@ def insert_resource_serializers():
             pass
         viewset.serializer_class.Meta.fields = fields
     # Create nested serializers on target models
-    for ct, resources in Resource.objects.group_by('content_type').iteritems():
+    for ct, resources in Resource.objects.group_by('content_type').items():
         model = ct.model_class()
         try:
             router.insert(model, 'resources', ResourceSerializer, required=False, many=True, source='resource_set')

orchestra/apps/saas/admin.py

@@ -2,7 +2,7 @@ from django.contrib import admin
 from django.core.urlresolvers import reverse
 from django.utils.translation import ugettext, ugettext_lazy as _
 
-from orchestra.admin import ExtendedModelAdmin
+from orchestra.admin import ExtendedModelAdmin, ChangePasswordAdminMixin
 from orchestra.apps.accounts.admin import AccountAdminMixin
 from orchestra.plugins.admin import SelectPluginAdminMixin
 
@@ -10,7 +10,7 @@ from .models import SaaS
 from .services import SoftwareService
 
 
-class SaaSAdmin(SelectPluginAdminMixin, AccountAdminMixin, ExtendedModelAdmin):
+class SaaSAdmin(SelectPluginAdminMixin, ChangePasswordAdminMixin, AccountAdminMixin, ExtendedModelAdmin):
     list_display = ('name', 'service', 'display_site_domain', 'account_link', 'is_active')
     list_filter = ('service', 'is_active')
     change_readonly_fields = ('service',)

orchestra/apps/saas/backends/bscw.py

@@ -1,3 +1,5 @@
+import textwrap
+
 from django.utils.translation import ugettext_lazy as _
 
 from orchestra.apps.orchestration import ServiceController
@@ -26,11 +28,11 @@ class BSCWBackend(ServiceController):
         if hasattr(saas, 'password'):
             self.append(textwrap.dedent("""\
                 if [[ ! $(%(bsadmin)s register %(email)s) && ! $(%(bsadmin)s users -n %(username)s) ]]; then
-                    # Change password
-                    %(bsadmin)s chpwd %(username)s '%(password)s'
-                else
                     # Create new user
                     %(bsadmin)s register -r %(email)s %(username)s '%(password)s'
+                else
+                    # Change password
+                    %(bsadmin)s chpwd %(username)s '%(password)s'
                 fi
                 """) % context
             )

orchestra/apps/saas/backends/gitlab.py

@@ -84,7 +84,7 @@ class GitLabSaaSBackend(ServiceController):
         user_url = self.get_user_url(saas)
         response = requests.delete(user_url, headers=self.headers)
         user = self.validate_response(response, 200, 404)
-        print json.dumps(user, indent=4)
+        print(json.dumps(user, indent=4))
     
     def _validate_creation(self, saas, server):
         """ checks if a saas object is valid for creation on the server side """
@@ -95,9 +95,9 @@ class GitLabSaaSBackend(ServiceController):
         users = json.loads(requests.get(users_url, headers=self.headers).content)
         for user in users:
             if user['username'] == username:
-                print 'ValidationError: user-exists'
+                print('ValidationError: user-exists')
             if user['email'] == email:
-                print 'ValidationError: email-exists'
+                print('ValidationError: email-exists')
     
     def validate_creation(self, saas):
         self.append(self._validate_creation, saas)

orchestra/apps/saas/backends/phplist.py

@@ -34,7 +34,7 @@ class PhpListSaaSBackend(ServiceController):
                 'adminpassword': saas.password,
             }
             response = requests.post(install_link, data=post)
-            print response.content
+            print(response.content)
             if response.status_code != 200:
                 raise RuntimeError("Bad status code %i" % response.status_code)
         else:

orchestra/apps/saas/models.py

@@ -36,7 +36,7 @@ class SaaS(models.Model):
             ('name', 'service'),
         )
     
-    def __unicode__(self):
+    def __str__(self):
         return "%s@%s" % (self.name, self.service)
     
     @cached_property

orchestra/apps/saas/services/bscw.py

@@ -7,18 +7,12 @@ from .. import settings
 from .options import SoftwareService, SoftwareServiceForm
 
 
-# TODO monitor quota since out of sync?
-
 class BSCWForm(SoftwareServiceForm):
     email = forms.EmailField(label=_("Email"), widget=forms.TextInput(attrs={'size':'40'}))
-    quota = forms.IntegerField(label=_("Quota"), initial=settings.SAAS_BSCW_DEFAULT_QUOTA,
-            help_text=_("Disk quota in MB."))
 
 
 class BSCWDataSerializer(serializers.Serializer):
     email = serializers.EmailField(label=_("Email"))
-    quota = serializers.IntegerField(label=_("Quota"), default=settings.SAAS_BSCW_DEFAULT_QUOTA,
-            help_text=_("Disk quota in MB."))
 
 
 class BSCWService(SoftwareService):

orchestra/apps/saas/services/gitlab.py

@@ -3,7 +3,6 @@ from django.core.exceptions import ValidationError
 from django.utils.translation import ugettext_lazy as _
 from rest_framework import serializers
 
-from orchestra.apps.orchestration.models import BackendOperation as Operation
 from orchestra.forms import widgets
 
 from .options import SoftwareService, SoftwareServiceForm
@@ -36,15 +35,3 @@ class GitLabService(SoftwareService):
     verbose_name = "GitLab"
     icon = 'orchestra/icons/apps/gitlab.png'
 
-    def clean_data(self):
-        data = super(GitLabService, self).clean_data()
-        if not self.instance.pk:
-            log = Operation.execute_action(self.instance, 'validate_creation')[0]
-            errors = {}
-            if 'user-exists' in log.stdout:
-                errors['name'] = _("User with this username already exists.")
-            elif 'email-exists' in log.stdout:
-                errors['email'] = _("User with this email address already exists.")
-            if errors:
-                raise ValidationError(errors)
-        return data

orchestra/apps/saas/services/options.py

@@ -4,9 +4,10 @@ from django.utils.safestring import mark_safe
 from django.utils.translation import ugettext_lazy as _
 
 from orchestra import plugins
-from orchestra.plugins.forms import PluginDataForm
+from orchestra.apps.orchestration.models import BackendOperation as Operation
 from orchestra.core import validators
 from orchestra.forms import widgets
+from orchestra.plugins.forms import PluginDataForm
 from orchestra.utils.functional import cached
 from orchestra.utils.python import import_class, random_ascii
 
@@ -91,6 +92,23 @@ class SoftwareService(plugins.Plugin):
             (self.instance.name, self.site_base_domain)
         )
     
+    def clean_data(self):
+        data = super(SoftwareService, self).clean_data()
+        if not self.instance.pk:
+            try:
+                log = Operation.execute_action(self.instance, 'validate_creation')[0]
+            except IndexError:
+                pass
+            else:
+                errors = {}
+                if 'user-exists' in log.stdout:
+                    errors['name'] = _("User with this username already exists.")
+                elif 'email-exists' in log.stdout:
+                    errors['email'] = _("User with this email address already exists.")
+                if errors:
+                    raise ValidationError(errors)
+        return data
+    
     def save(self):
         pass
     

orchestra/apps/services/handlers.py

@@ -1,6 +1,7 @@
 import calendar
 import datetime
 import decimal
+import math
 
 from dateutil import relativedelta
 from django.contrib.contenttypes.models import ContentType
@@ -15,7 +16,7 @@ from orchestra.utils.python import AttrDict
 from . import settings, helpers
 
 
-class ServiceHandler(plugins.Plugin):
+class ServiceHandler(plugins.Plugin, metaclass=plugins.PluginMount):
     """
     Separates all the logic of billing handling from the model allowing to better
     customize its behaviout
@@ -27,8 +28,6 @@ class ServiceHandler(plugins.Plugin):
     
     model = None
     
-    __metaclass__ = plugins.PluginMount
-    
     def __init__(self, service):
         self.service = service
     
@@ -54,8 +53,7 @@ class ServiceHandler(plugins.Plugin):
             bool(self.matches(obj))
         except Exception as exception:
             name = type(exception).__name__
-            message = exception.message
+            raise ValidationError(': '.join((name, exception)))
-            raise ValidationError(': '.join((name, message)))
     
     def validate_metric(self, service):
         try:
@@ -66,8 +64,7 @@ class ServiceHandler(plugins.Plugin):
             bool(self.get_metric(obj))
         except Exception as exception:
             name = type(exception).__name__
-            message = exception.message
+            raise ValidationError(': '.join((name, exception)))
-            raise ValidationError(': '.join((name, message)))
     
     def get_content_type(self):
         if not self.model:
@@ -106,18 +103,26 @@ class ServiceHandler(plugins.Plugin):
         return order.ignore
     
     def get_ignore(self, instance):
-        ignore = False
+        if self.ignore_superusers:
-        account = getattr(instance, 'account', instance)
+            account = getattr(instance, 'account', instance)
-        if account.is_superuser:
+            if (account.type in settings.SERVICES_IGNORE_ACCOUNT_TYPE or 
-            ignore = self.ignore_superusers
+                'superuser' in settings.SERVICES_IGNORE_ACCOUNT_TYPE):
-        return ignore
+                    return True
+        return False
     
     def get_metric(self, instance):
         if self.metric:
             safe_locals = {
-                instance._meta.model_name: instance
+                instance._meta.model_name: instance,
+                'instance': instance,
+                'math': math,
+                'log10': math.log10,
+                'Decimal': decimal.Decimal,
             }
-            return eval(self.metric, safe_locals)
+            try:
+                return eval(self.metric, safe_locals)
+            except Exception as error:
+                raise type(error)("%s on '%s'" %(error, self.service))
     
     def get_order_description(self, instance):
         safe_locals = {
@@ -126,7 +131,7 @@ class ServiceHandler(plugins.Plugin):
             instance._meta.model_name: instance,
         }
         if not self.order_description:
-            return u'%s: %s' % (self.description, instance)
+            return '%s: %s' % (self.description, instance)
         return eval(self.order_description, safe_locals)
     
     def get_billing_point(self, order, bp=None, **options):
@@ -359,7 +364,7 @@ class ServiceHandler(plugins.Plugin):
                 else:
                     priced[order] = (price, cprice)
         lines = []
-        for order, prices in priced.iteritems():
+        for order, prices in priced.items():
             discounts = ()
             # Generate lines and discounts from order.nominal_price
             price, cprice = prices

orchestra/apps/services/models.py

@@ -24,6 +24,7 @@ autodiscover_modules('handlers')
 rate_class = import_class(settings.SERVICES_RATE_CLASS)
 
 
+
 class Service(models.Model):
     NEVER = ''
 #    DAILY = 'DAILY'
@@ -46,6 +47,8 @@ class Service(models.Model):
     PREPAY = 'PREPAY'
     POSTPAY = 'POSTPAY'
     
+    _ignore_types = ' and '.join(', '.join(settings.SERVICES_IGNORE_ACCOUNT_TYPE).rsplit(', ', 1)).lower()
+    
     description = models.CharField(_("description"), max_length=256, unique=True)
     content_type = models.ForeignKey(ContentType, verbose_name=_("content type"),
             help_text=_("Content type of the related service objects."))
@@ -66,8 +69,8 @@ class Service(models.Model):
                         "here allow to."),
             choices=ServiceHandler.get_choices())
     is_active = models.BooleanField(_("active"), default=True)
-    ignore_superusers = models.BooleanField(_("ignore superusers"), default=True,
+    ignore_superusers = models.BooleanField(_("ignore %s") % _ignore_types, default=True,
-            help_text=_("Designates whether superuser orders are marked as ignored by default or not."))
+            help_text=_("Designates whether %s orders are marked as ignored by default or not.") % _ignore_types)
     # Billing
     billing_period = models.CharField(_("billing period"), max_length=16,
             help_text=_("Renewal period for recurring invoicing."),
@@ -133,7 +136,7 @@ class Service(models.Model):
     rate_algorithm = models.CharField(_("rate algorithm"), max_length=16,
             help_text=string_concat(_("Algorithm used to interprete the rating table."), *[
                 string_concat('<br>&nbsp;&nbsp;', method.verbose_name, ': ', method.help_text)
-                    for name, method in rate_class.get_methods().iteritems()
+                    for name, method in rate_class.get_methods().items()
             ]), choices=rate_class.get_choices(), default=rate_class.get_choices()[0][0])
     on_cancel = models.CharField(_("on cancel"), max_length=16,
             help_text=_("Defines the cancellation behaviour of this service."),
@@ -153,7 +156,7 @@ class Service(models.Model):
             ),
             default=PREPAY)
     
-    def __unicode__(self):
+    def __str__(self):
         return self.description
     
     @classmethod

orchestra/apps/services/settings.py

@@ -33,3 +33,10 @@ SERVICES_RATE_CLASS = getattr(settings, 'SERVICES_RATE_CLASS',
 SERVICES_DEFAULT_IGNORE_PERIOD = getattr(settings, 'SERVICES_DEFAULT_IGNORE_PERIOD',
     'TEN_DAYS'
 )
+
+
+SERVICES_IGNORE_ACCOUNT_TYPE = getattr(settings, 'SERVICES_IGNORE_ACCOUNT_TYPE', (
+    'superuser',
+    'STAFF',
+    'FRIEND',
+))

orchestra/apps/systemusers/backends.py

@@ -222,7 +222,7 @@ class Exim4Traffic(ServiceMonitor):
                     except IOError as e:
                         sys.stderr.write(e)
                 
-                for username, opts in users.iteritems():
+                for username, opts in users.items():
                     __, object_id, size = opts
                     print object_id, size
             """).format(**context)
@@ -317,7 +317,7 @@ class FTPTraffic(ServiceMonitor):
                     except IOError as e:
                         sys.stderr.write(e)
                 
-                for username, opts in users.iteritems():
+                for username, opts in users.items():
                     __, object_id, size = opts
                     print object_id, size
             """).format(**context)

orchestra/apps/systemusers/migrations/0001_initial.py

@@ -1,5 +1,4 @@
 # -*- coding: utf-8 -*-
-from __future__ import unicode_literals
 
 from django.db import models, migrations
 from django.conf import settings

orchestra/apps/systemusers/migrations/0002_systemuser_relative_to_main.py

@@ -1,5 +1,4 @@
 # -*- coding: utf-8 -*-
-from __future__ import unicode_literals
 
 from django.db import models, migrations
 

orchestra/apps/systemusers/migrations/0003_auto_20141114_1340.py

@@ -1,5 +1,4 @@
 # -*- coding: utf-8 -*-
-from __future__ import unicode_literals
 
 from django.db import models, migrations
 

orchestra/apps/systemusers/models.py

@@ -48,7 +48,7 @@ class SystemUser(models.Model):
     
     objects = SystemUserQuerySet.as_manager()
     
-    def __unicode__(self):
+    def __str__(self):
         return self.username
     
     @cached_property

orchestra/apps/vps/models.py

@@ -24,7 +24,7 @@ class VPS(models.Model):
         verbose_name = "VPS"
         verbose_name_plural = "VPSs"
     
-    def __unicode__(self):
+    def __str__(self):
         return self.hostname
     
     def set_password(self, raw_password):

orchestra/apps/webapps/admin.py

@@ -1,6 +1,7 @@
 from django import forms
 from django.contrib import admin
 from django.core.urlresolvers import reverse
+from django.utils.encoding import force_text
 from django.utils.translation import ugettext, ugettext_lazy as _
 
 from orchestra.admin import ExtendedModelAdmin
@@ -20,7 +21,7 @@ class WebAppOptionInline(admin.TabularInline):
     extra = 1
     
     OPTIONS_HELP_TEXT = {
-        op.name: str(unicode(op.help_text)) for op in AppOption.get_plugins()
+        op.name: force_text(op.help_text) for op in AppOption.get_plugins()
     }
     
     class Media:

orchestra/apps/webapps/backends/php.py

@@ -118,6 +118,7 @@ class PHPBackend(WebAppServiceMixin, ServiceController):
             listen.owner = {{ user }}
             listen.group = {{ group }}
             pm = ondemand
+            pm.max_requests = {{ max_requests }}
             {% if max_children %}pm.max_children = {{ max_children }}{% endif %}
             {% if request_terminate_timeout %}request_terminate_timeout = {{ request_terminate_timeout }}{% endif %}
             {% for name, value in init_vars.iteritems %}
@@ -131,7 +132,7 @@ class PHPBackend(WebAppServiceMixin, ServiceController):
         # Format PHP init vars
         init_vars = opt.get_php_init_vars(merge=self.MERGE)
         if init_vars:
-            init_vars = [ '-d %s="%s"' % (k,v) for k,v in init_vars.iteritems() ]
+            init_vars = [ '-d %s="%s"' % (k,v) for k,v in init_vars.items() ]
         init_vars = ', '.join(init_vars)
         context.update({
             'php_binary': os.path.normpath(settings.WEBAPPS_PHP_CGI_BINARY_PATH % context),
@@ -144,6 +145,7 @@ class PHPBackend(WebAppServiceMixin, ServiceController):
             # %(banner)s
             export PHPRC=%(php_rc)s
             export PHP_INI_SCAN_DIR=%(php_ini_scan)s
+            export PHP_FCGI_MAX_REQUESTS=%(max_requests)s
             exec %(php_binary)s %(php_init_vars)s""") % context
     
     def get_fcgid_cmd_options(self, webapp, context):
@@ -152,7 +154,7 @@ class PHPBackend(WebAppServiceMixin, ServiceController):
             'IOTimeout': webapp.get_options().get('timeout', None),
         }
         cmd_options = []
-        for directive, value in maps.iteritems():
+        for directive, value in maps.items():
             if value:
                 cmd_options.append("%s %s" % (directive, value))
         if cmd_options:
@@ -187,6 +189,7 @@ class PHPBackend(WebAppServiceMixin, ServiceController):
         context.update({
             'php_version': webapp.type_instance.get_php_version(),
             'php_version_number': webapp.type_instance.get_php_version_number(),
+            'max_requests': settings.WEBAPPS_PHP_MAX_REQUESTS,
         })
         self.update_fcgid_context(webapp, context)
         self.update_fpm_context(webapp, context)

orchestra/apps/webapps/migrations/0001_initial.py

@@ -1,5 +1,4 @@
 # -*- coding: utf-8 -*-
-from __future__ import unicode_literals
 
 from django.db import models, migrations
 import orchestra.core.validators

orchestra/apps/webapps/migrations/0002_webapp_data.py

@@ -1,5 +1,4 @@
 # -*- coding: utf-8 -*-
-from __future__ import unicode_literals
 
 from django.db import models, migrations
 import jsonfield.fields

orchestra/apps/webapps/migrations/0003_auto_20150310_2103.py

@@ -1,5 +1,4 @@
 # -*- coding: utf-8 -*-
-from __future__ import unicode_literals
 
 from django.db import models, migrations
 

orchestra/apps/webapps/models.py

@@ -1,3 +1,4 @@
+
 import os
 import re
 
@@ -37,7 +38,7 @@ class WebApp(models.Model):
         verbose_name = _("Web App")
         verbose_name_plural = _("Web Apps")
     
-    def __unicode__(self):
+    def __str__(self):
         return self.name
     
     def get_description(self):
@@ -98,7 +99,7 @@ class WebAppOption(models.Model):
         verbose_name = _("option")
         verbose_name_plural = _("options")
     
-    def __unicode__(self):
+    def __str__(self):
         return self.name
     
     @cached_property

orchestra/apps/webapps/settings.py

@@ -30,6 +30,13 @@ WEBAPPS_FCGID_CMD_OPTIONS_PATH = getattr(settings, 'WEBAPPS_FCGID_CMD_OPTIONS_PA
 )
 
 
+# Greater or equal to your FcgidMaxRequestsPerProcess
+# http://httpd.apache.org/mod_fcgid/mod/mod_fcgid.html#examples
+WEBAPPS_PHP_MAX_REQUESTS = getattr(settings, 'WEBAPPS_PHP_MAX_REQUESTS',
+    400
+)
+
+
 WEBAPPS_PHP_ERROR_LOG_PATH = getattr(settings, 'WEBAPPS_PHP_ERROR_LOG_PATH',
     ''
 )
@@ -92,7 +99,7 @@ WEBAPPS_UNDER_CONSTRUCTION_PATH = getattr(settings, 'WEBAPPS_UNDER_CONSTRUCTION_
 
 
 #WEBAPPS_TYPES_OVERRIDE = getattr(settings, 'WEBAPPS_TYPES_OVERRIDE', {})
-#for webapp_type, value in WEBAPPS_TYPES_OVERRIDE.iteritems():
+#for webapp_type, value in WEBAPPS_TYPES_OVERRIDE.items():
 #    if value is None:
 #        WEBAPPS_TYPES.pop(webapp_type, None)
 #    else:

orchestra/apps/webapps/tests/functional_tests/tests.py

@@ -2,7 +2,7 @@ import ftplib
 import os
 import time
 import textwrap
-from StringIO import StringIO
+from io import StringIO
 
 from django.conf import settings as djsettings
 from django.contrib.contenttypes.models import ContentType

orchestra/apps/webapps/types/php.py

@@ -61,7 +61,7 @@ class PHPApp(AppType):
     
     @cached
     def get_php_options(self):
-        php_version = self.get_php_version()
+        php_version = self.get_php_version_number()
         php_options = AppOption.get_option_groups()[AppOption.PHP]
         return [op for op in php_options if getattr(self, 'deprecated', 999) > php_version]
     
@@ -93,6 +93,9 @@ class PHPApp(AppType):
                 if function not in enabled_functions:
                     disabled_functions.append(function)
             init_vars['dissabled_functions'] = ','.join(disabled_functions)
+        timeout = self.instance.options.filter(name='timeout').first()
+        if timeout:
+            init_vars['max_execution_time'] = timeout.value
         if self.PHP_ERROR_LOG_PATH and 'error_log' not in init_vars:
             context = self.get_directive_context()
             error_log_path = os.path.normpath(self.PHP_ERROR_LOG_PATH % context)
@@ -128,4 +131,4 @@ class PHPApp(AppType):
             raise ValueError("No version number matches for '%s'" % php_version)
         if len(number) > 1:
             raise ValueError("Multiple version number matches for '%s'" % php_version)
-        return number[0]
+        return float(number[0])

orchestra/apps/websites/admin.py

@@ -2,6 +2,7 @@ from django import forms
 from django.contrib import admin
 from django.core.urlresolvers import resolve
 from django.db.models import Q
+from django.utils.encoding import force_text
 from django.utils.translation import ugettext_lazy as _
 
 
@@ -22,7 +23,7 @@ class WebsiteDirectiveInline(admin.TabularInline):
     extra = 1
     
     DIRECTIVES_HELP_TEXT = {
-        op.name: str(unicode(op.help_text)) for op in SiteDirective.get_plugins()
+        op.name: force_text(op.help_text) for op in SiteDirective.get_plugins()
     }
     
     def formfield_for_dbfield(self, db_field, **kwargs):

orchestra/apps/websites/backends/apache.py

@@ -219,7 +219,7 @@ class Apache2Backend(ServiceController):
     
     def get_saas(self, directives):
         saas = []
-        for name, values in directives.iteritems():
+        for name, values in directives.items():
             if name.endswith('-saas'):
                 for value in values:
                     context = {

orchestra/apps/websites/directives.py

@@ -47,7 +47,7 @@ class SiteDirective(Plugin):
         options = cls.get_option_groups()
         for option in options.pop(None, ()):
             yield (option.name, option.verbose_name)
-        for group, options in options.iteritems():
+        for group, options in options.items():
             yield (group, [(op.name, op.verbose_name) for op in options])
     
     def validate(self, website):

orchestra/apps/websites/forms.py

@@ -1,5 +1,6 @@
 from django import forms
 from django.core.exceptions import ValidationError
+from django.utils.encoding import force_text
 
 from .validators import validate_domain_protocol
 
@@ -36,7 +37,7 @@ class WebsiteDirectiveInlineFormSet(forms.models.BaseInlineFormSet):
                 if value is not None:
                     if directive.unique_value and value in values.get(name, []):
                         form.add_error('value', ValidationError(
-                            _("This value is already used by other %s.") % unicode(directive.get_verbose_name())
+                            _("This value is already used by other %s.") % force_text(directive.get_verbose_name())
                         ))
                 try:
                     values[name].append(value)

orchestra/apps/websites/models.py

@@ -40,7 +40,7 @@ class Website(models.Model):
     class Meta:
         unique_together = ('name', 'account')
     
-    def __unicode__(self):
+    def __str__(self):
         return self.name
     
     @property
@@ -107,7 +107,7 @@ class WebsiteDirective(models.Model):
             choices=SiteDirective.get_choices())
     value = models.CharField(_("value"), max_length=256)
     
-    def __unicode__(self):
+    def __str__(self):
         return self.name
     
     @cached_property
@@ -133,7 +133,7 @@ class Content(models.Model):
     class Meta:
         unique_together = ('website', 'path')
     
-    def __unicode__(self):
+    def __str__(self):
         try:
             return self.website.name + self.path
         except Website.DoesNotExist:

orchestra/bin/orchestra-admin

@@ -136,10 +136,10 @@ function install_requirements () {
     
     PIP="django==1.7.7 \
          django-celery-email==1.0.4 \
-         django-fluent-dashboard==0.3.5 \
+         django-fluent-dashboard==0.4 \
          https://bitbucket.org/izi/django-admin-tools/get/a0abfffd76a0.zip \
          IPy==0.81 \
-         django-extensions==1.1.1 \
+         django-extensions==1.5.2 \
          django-transaction-signals==1.0.0 \
          django-celery==3.1.16 \
          celery==3.1.16 \
@@ -209,10 +209,10 @@ function install_requirements () {
     # Patch passlib
     IMPORT="from django.contrib.auth.hashers import mask_hash, _"
     COLLECTIONS="from collections import OrderedDict"
-    sed -i "s/${IMPORT}, SortedDict/${IMPORT}\n        ${COLLECTIONS}/" \
+    ls /usr/local/lib/python*/dist-packages/passlib/ext/django/utils.py \
-        /usr/local/lib/python2.7/dist-packages/passlib/ext/django/utils.py
+        | xargs sed -i "s/${IMPORT}, SortedDict/${IMPORT}\n        ${COLLECTIONS}/"
-    sed -i "s/SortedDict/OrderedDict/g" \
+    ls /usr/local/lib/python*/dist-packages/passlib/ext/django/utils.py \
-        /usr/local/lib/python2.7/dist-packages/passlib/ext/django/utils.py
+        | xargs sed -i "s/SortedDict/OrderedDict/g"
     
     # Patch dateutil
     sed -i "s/elif not isinstance(dt2, datetime.datetime):/else:/" \

orchestra/conf/base_settings.py

@@ -48,8 +48,7 @@ MIDDLEWARE_CLASSES = (
     'django.contrib.auth.middleware.AuthenticationMiddleware',
     'django.contrib.messages.middleware.MessageMiddleware',
     'orchestra.core.caches.RequestCacheMiddleware',
-    # ATOMIC REQUESTS do not wrap middlewares
+    # also handles transations, ATOMIC REQUESTS does not wrap middlewares
-    'orchestra.core.middlewares.TransactionMiddleware',
     'orchestra.apps.orchestration.middlewares.OperationsMiddleware',
     # Uncomment the next line for simple clickjacking protection:
     # 'django.middleware.clickjacking.XFrameOptionsMiddleware',

orchestra/core/middlewares.py

@@ -8,40 +8,40 @@ class TransactionMiddleware(object):
     commit, the commit is done when a successful response is created. If an
     exception happens, the database is rolled back.
     """
-    
+    pass
-    def process_request(self, request):
+#    def process_request(self, request):
-        """Enters transaction management"""
+#        """Enters transaction management"""
-        transaction.enter_transaction_management()
+#        transaction.enter_transaction_management()
-    
+#    
-    def process_exception(self, request, exception):
+#    def process_exception(self, request, exception):
-        """Rolls back the database and leaves transaction management"""
+#        """Rolls back the database and leaves transaction management"""
-        if transaction.is_dirty():
+#        if transaction.is_dirty():
-            # This rollback might fail because of network failure for example.
+#            # This rollback might fail because of network failure for example.
-            # If rollback isn't possible it is impossible to clean the
+#            # If rollback isn't possible it is impossible to clean the
-            # connection's state. So leave the connection in dirty state and
+#            # connection's state. So leave the connection in dirty state and
-            # let request_finished signal deal with cleaning the connection.
+#            # let request_finished signal deal with cleaning the connection.
-            transaction.rollback()
+#            transaction.rollback()
-        transaction.leave_transaction_management()
+#        transaction.leave_transaction_management()
-    
+#    
-    def process_response(self, request, response):
+#    def process_response(self, request, response):
-        """Commits and leaves transaction management."""
+#        """Commits and leaves transaction management."""
-        if not transaction.get_autocommit():
+#        if not transaction.get_autocommit():
-            if transaction.is_dirty():
+#            if transaction.is_dirty():
-                # Note: it is possible that the commit fails. If the reason is
+#                # Note: it is possible that the commit fails. If the reason is
-                # closed connection or some similar reason, then there is
+#                # closed connection or some similar reason, then there is
-                # little hope to proceed nicely. However, in some cases (
+#                # little hope to proceed nicely. However, in some cases (
-                # deferred foreign key checks for exampl) it is still possible
+#                # deferred foreign key checks for exampl) it is still possible
-                # to rollback().
+#                # to rollback().
-                try:
+#                try:
-                    transaction.commit()
+#                    transaction.commit()
-                except Exception:
+#                except Exception:
-                    # If the rollback fails, the transaction state will be
+#                    # If the rollback fails, the transaction state will be
-                    # messed up. It doesn't matter, the connection will be set
+#                    # messed up. It doesn't matter, the connection will be set
-                    # to clean state after the request finishes. And, we can't
+#                    # to clean state after the request finishes. And, we can't
-                    # clean the state here properly even if we wanted to, the
+#                    # clean the state here properly even if we wanted to, the
-                    # connection is in transaction but we can't rollback...
+#                    # connection is in transaction but we can't rollback...
-                    transaction.rollback()
+#                    transaction.rollback()
-                    transaction.leave_transaction_management()
+#                    transaction.leave_transaction_management()
-                    raise
+#                    raise
-            transaction.leave_transaction_management()
+#            transaction.leave_transaction_management()
-        return response
+#        return response

orchestra/core/validators.py

@@ -15,7 +15,7 @@ from ..utils.python import import_class
 def all_valid(kwargs):
     """ helper function to merge multiple validators at once """
     errors = {}
-    for field, validator in kwargs.iteritems():
+    for field, validator in kwargs.items():
         try:
             validator[0](*validator[1:])
         except ValidationError as error:

orchestra/forms/widgets.py

@@ -19,16 +19,16 @@ class ShowTextWidget(forms.Widget):
         if hasattr(self, 'initial'):
             value = self.initial
         if self.bold: 
-            final_value = u'<b>%s</b>' % (value)
+            final_value = '<b>%s</b>' % (value)
         else:
             final_value = '<br/>'.join(value.split('\n'))
         if self.warning:
             final_value = (
-                u'<ul class="messagelist"><li class="warning">%s</li></ul>'
+                '<ul class="messagelist"><li class="warning">%s</li></ul>'
                 % final_value)
         if self.hidden:
             final_value = (
-                u'%s<input type="hidden" name="%s" value="%s"/>'
+                '%s<input type="hidden" name="%s" value="%s"/>'
                 % (final_value, name, value))
         return mark_safe(final_value)
     

orchestra/management/commands/makemessages.py

@@ -18,13 +18,13 @@ class Command(makemessages.Command):
             self.remove_database_files()
     
     def get_contents(self):
-        for model, fields in ModelTranslation._registry.iteritems():
+        for model, fields in ModelTranslation._registry.items():
             for field in fields:
                 contents = []
                 for content in model.objects.values_list('id', field):
                     pk, value = content
                     contents.append(
-                        (pk, u"_(u'%s')" % value)
+                        (pk, "_(u'%s')" % value)
                     )
                 if contents:
                     yield ('_'.join((model._meta.db_table, field)), contents)
@@ -38,7 +38,7 @@ class Command(makemessages.Command):
             2) Django's makemessages will work with no modifications
         """
         for name, contents in self.get_contents():
-            name = unicode(name)
+            name = str(name)
             maximum = None
             content = {}
             for pk, value in contents:
@@ -46,9 +46,9 @@ class Command(makemessages.Command):
                     maximum = pk
                 content[pk] = value
             tmpcontent = []
-            for ix in xrange(maximum+1):
+            for ix in range(maximum+1):
                 tmpcontent.append(content.get(ix, ''))
-            tmpcontent = u'\n'.join(tmpcontent) + '\n'
+            tmpcontent = '\n'.join(tmpcontent) + '\n'
             filename = 'database_%s.sql.py' % name
             self.database_files.append(filename)
             with open(filename, 'w') as tmpfile: