Update django to 1.9 and the rest of requirements

requirements-devel.txt

@@ -1,8 +1,8 @@
 -r requirements.txt
 
-factory_boy==2.6.0
+factory_boy==2.6.1
 py==1.4.31
-pytest==2.8.5
+pytest==2.8.7
 pytest-django==2.9.1
 pytest-pythonpath==0.7
 

requirements.txt

@@ -1,37 +1,36 @@
-Django==1.8.6
+Django==1.9.2
 #djangorestframework==2.3.13    # It's not necessary since Taiga 1.7
 django-picklefield==0.3.2
-django-sampledatahelper==0.3.0
+django-sampledatahelper==0.4.0
-gunicorn==19.3.0
+gunicorn==19.4.5
 psycopg2==2.6.1
-Pillow==2.9.0
+Pillow==3.1.1
 pytz==2015.7
 six==1.10.0
-amqp==1.4.7
+amqp==1.4.9
-djmail==0.11
+djmail==0.12.0.post1
 django-pgjson==0.3.1
 djorm-pgarray==1.2
-django-jinja==2.1.1
+django-jinja==2.1.2
 jinja2==2.8
 pygments==2.0.2
-django-sites==0.8
+django-sites==0.9
 Markdown==2.6.5
 fn==0.4.3
 diff-match-patch==20121119
-requests==2.8.1
+requests==2.9.1
 django-sr==0.0.4
-easy-thumbnails==2.2.1
+easy-thumbnails==2.3
-celery==3.1.19
+celery==3.1.20
 redis==2.10.5
-Unidecode==0.04.18
+Unidecode==0.04.19
-raven==5.9.2
+raven==5.10.2
 bleach==1.4.2
-django-ipware==1.1.2
+django-ipware==1.1.3
-premailer==2.9.6
+premailer==2.9.7
 cssutils==1.0.1 # Compatible with python 3.5
-django-transactional-cleanup==0.1.15
 lxml==3.5.0
 git+https://github.com/Xof/django-pglocks.git@dbb8d7375066859f897604132bd437832d2014ea
-pyjwkest==1.0.9
+pyjwkest==1.1.5
 python-dateutil==2.4.2
 netaddr==0.7.18

settings/common.py

@@ -30,7 +30,7 @@ DEBUG = False
 
 DATABASES = {
     "default": {
-        "ENGINE": "transaction_hooks.backends.postgresql_psycopg2",
+        "ENGINE": "django.db.backends.postgresql",
         "NAME": "taiga",
     }
 }
@@ -320,7 +320,6 @@ INSTALLED_APPS = [
     "sr",
     "easy_thumbnails",
     "raven.contrib.django.raven_compat",
-    "django_transactional_cleanup",
 ]
 
 WSGI_APPLICATION = "taiga.wsgi.application"
@@ -347,7 +346,7 @@ LOGGING = {
     "handlers": {
         "null": {
             "level":"DEBUG",
-            "class":"django.utils.log.NullHandler",
+            "class":"logging.NullHandler",
         },
         "console":{
             "level":"DEBUG",

settings/local.py.example

@@ -24,7 +24,7 @@ from .development import *
 
 DATABASES = {
     'default': {
-        'ENGINE': 'transaction_hooks.backends.postgresql_psycopg2',
+        'ENGINE': 'django.db.backends.postgresql',
         'NAME': 'taiga',
         'USER': 'taiga',
         'PASSWORD': 'changeme',

taiga/base/api/fields.py

@@ -64,17 +64,17 @@ from django.utils.encoding import is_protected_type
 from django.utils.functional import Promise
 from django.utils.translation import ugettext
 from django.utils.translation import ugettext_lazy as _
-from django.utils.datastructures import SortedDict
 
 from . import ISO_8601
 from .settings import api_settings
 
+from collections import OrderedDict
+from decimal import Decimal, DecimalException
 import copy
 import datetime
 import inspect
 import re
 import warnings
-from decimal import Decimal, DecimalException
 
 
 def is_non_str_iterable(obj):
@@ -255,7 +255,7 @@ class Field(object):
             return [self.to_native(item) for item in value]
         elif isinstance(value, dict):
             # Make sure we preserve field ordering, if it exists
-            ret = SortedDict()
+            ret = OrderedDict()
             for key, val in value.items():
                 ret[key] = self.to_native(val)
             return ret
@@ -270,7 +270,7 @@ class Field(object):
         return {}
 
     def metadata(self):
-        metadata = SortedDict()
+        metadata = OrderedDict()
         metadata["type"] = self.type_label
         metadata["required"] = getattr(self, "required", False)
         optional_attrs = ["read_only", "label", "help_text",

taiga/base/api/serializers.py

@@ -59,11 +59,11 @@ from django.core.paginator import Page
 from django.db import models
 from django.forms import widgets
 from django.utils import six
-from django.utils.datastructures import SortedDict
 from django.utils.translation import ugettext as _
 
 from .settings import api_settings
 
+from collections import OrderedDict
 import copy
 import datetime
 import inspect
@@ -148,7 +148,7 @@ class DictWithMetadata(dict):
         return dict(self)
 
 
-class SortedDictWithMetadata(SortedDict):
+class OrderedDictWithMetadata(OrderedDict):
     """
     A sorted dict-like object, that can have additional properties attached.
     """
@@ -158,7 +158,7 @@ class SortedDictWithMetadata(SortedDict):
         Overriden to remove the metadata from the dict, since it shouldn't be
         pickle and may in some instances be unpickleable.
         """
-        return SortedDict(self).__dict__
+        return OrderedDict(self).__dict__
 
 
 def _is_protected_type(obj):
@@ -194,7 +194,7 @@ def _get_declared_fields(bases, attrs):
         if hasattr(base, "base_fields"):
             fields = list(base.base_fields.items()) + fields
 
-    return SortedDict(fields)
+    return OrderedDict(fields)
 
 
 class SerializerMetaclass(type):
@@ -222,7 +222,7 @@ class BaseSerializer(WritableField):
         pass
 
     _options_class = SerializerOptions
-    _dict_class = SortedDictWithMetadata
+    _dict_class = OrderedDictWithMetadata
 
     def __init__(self, instance=None, data=None, files=None,
                  context=None, partial=False, many=None,
@@ -268,7 +268,7 @@ class BaseSerializer(WritableField):
         This will be the set of any explicitly declared fields,
         plus the set of fields returned by get_default_fields().
         """
-        ret = SortedDict()
+        ret = OrderedDict()
 
         # Get the explicitly declared fields
         base_fields = copy.deepcopy(self.base_fields)
@@ -284,7 +284,7 @@ class BaseSerializer(WritableField):
         # If "fields" is specified, use those fields, in that order.
         if self.opts.fields:
             assert isinstance(self.opts.fields, (list, tuple)), "`fields` must be a list or tuple"
-            new = SortedDict()
+            new = OrderedDict()
             for key in self.opts.fields:
                 new[key] = ret[key]
             ret = new
@@ -458,7 +458,10 @@ class BaseSerializer(WritableField):
             many = hasattr(value, "__iter__") and not isinstance(value, (Page, dict, six.text_type))
 
         if many:
+            try:
                 return [self.to_native(item) for item in value]
+            except TypeError:
+                pass # LazyObject is iterable so we need to catch this
         return self.to_native(value)
 
     def field_from_native(self, data, files, field_name, into):
@@ -610,7 +613,10 @@ class BaseSerializer(WritableField):
                                   DeprecationWarning, stacklevel=2)
 
             if many:
+                try:
                     self._data = [self.to_native(item) for item in obj]
+                except TypeError:
+                    self._data = self.to_native(obj) # LazyObject is iterable so we need to catch this
             else:
                 self._data = self.to_native(obj)
 
@@ -645,7 +651,7 @@ class BaseSerializer(WritableField):
         Useful for things like responding to OPTIONS requests, or generating
         API schemas for auto-documentation.
         """
-        return SortedDict(
+        return OrderedDict(
             [(field_name, field.metadata())
             for field_name, field in six.iteritems(self.fields)]
         )
@@ -740,7 +746,7 @@ class ModelSerializer((six.with_metaclass(SerializerMetaclass, BaseSerializer)))
         assert cls is not None, \
                 "Serializer class '%s' is missing `model` Meta option" % self.__class__.__name__
         opts = cls._meta.concrete_model._meta
-        ret = SortedDict()
+        ret = OrderedDict()
         nested = bool(self.opts.depth)
 
         # Deal with adding the primary key field

taiga/base/api/settings.py

@@ -62,9 +62,10 @@ back to the defaults.
 from __future__ import unicode_literals
 
 from django.conf import settings
-from django.utils import importlib
 from django.utils import six
 
+import importlib
+
 from . import ISO_8601
 
 

taiga/base/api/utils/encoders.py

@@ -45,13 +45,10 @@
 Helper classes for parsers.
 """
 from django.db.models.query import QuerySet
-from django.utils.datastructures import SortedDict
 from django.utils.functional import Promise
 from django.utils import timezone
 from django.utils.encoding import force_text
 
-from taiga.base.api.serializers import DictWithMetadata, SortedDictWithMetadata
-
 import datetime
 import decimal
 import types

taiga/base/api/views.py

@@ -43,6 +43,8 @@
 
 import json
 
+from collections import OrderedDict
+
 from django.conf import settings
 from django.core.exceptions import PermissionDenied
 from django.http import Http404, HttpResponse
@@ -50,7 +52,6 @@ from django.http.response import HttpResponseBase
 from django.views.decorators.csrf import csrf_exempt
 from django.views.defaults import server_error
 from django.views.generic import View
-from django.utils.datastructures import SortedDict
 from django.utils.encoding import smart_text
 from django.utils.translation import ugettext as _
 
@@ -462,7 +463,7 @@ class APIView(View):
         # By default we can't provide any form-like information, however the
         # generic views override this implementation and add additional
         # information for POST and PUT methods, based on the serializer.
-        ret = SortedDict()
+        ret = OrderedDict()
         ret['name'] = self.get_view_name()
         ret['description'] = self.get_view_description()
         ret['renders'] = [renderer.media_type for renderer in self.renderer_classes]

taiga/base/apps.py

@@ -17,12 +17,14 @@
 
 from django.apps import AppConfig
 
-from .signals.thumbnails import connect_thumbnail_signals
-
 
 class BaseAppConfig(AppConfig):
     name = "taiga.base"
     verbose_name = "Base App Config"
 
     def ready(self):
+        from .signals.thumbnails import connect_thumbnail_signals
+        from .signals.cleanup_files import connect_cleanup_files_signals
+
         connect_thumbnail_signals()
+        connect_cleanup_files_signals()

taiga/base/management/commands/test_emails.py

@@ -19,7 +19,7 @@ import datetime
 
 from optparse import make_option
 
-from django.db.models.loading import get_model
+from django.apps import apps
 from django.core.management.base import BaseCommand
 from django.utils import timezone
 
@@ -163,7 +163,7 @@ class Command(BaseCommand):
         }
 
         for notification_email in notification_emails:
-            model = get_model(*notification_email[0].split("."))
+            model = apps.get_model(*notification_email[0].split("."))
             snapshot = {
                 "subject": "Tests subject",
                 "ref": 123123,

taiga/base/response.py

@@ -43,9 +43,10 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 """The various HTTP responses for use in returning proper HTTP codes."""
+from http.client import responses
+
 from django import http
 
-from django.core.handlers.wsgi import STATUS_CODE_TEXT
 from django.template.response import SimpleTemplateResponse
 from django.utils import six
 
@@ -114,7 +115,7 @@ class Response(SimpleTemplateResponse):
         """
         # TODO: Deprecate and use a template tag instead
         # TODO: Status code text for RFC 6585 status codes
-        return STATUS_CODE_TEXT.get(self.status_code, '')
+        return responses.get(self.status_code, '')
 
     def __getstate__(self):
         """

taiga/base/signals/cleanup_files.py

@@ -0,0 +1,97 @@
+# Copyright (C) 2014-2016 Andrey Antukh <niwi@niwi.be>
+# Copyright (C) 2014-2016 Jesús Espino <jespinog@gmail.com>
+# Copyright (C) 2014-2016 David Barragán <bameda@dbarragan.com>
+# Copyright (C) 2014-2016 Alejandro Alonso <alejandro.alonso@kaleidos.net>
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from django.apps import apps
+from django.db import models, connection
+from django.db.utils import DEFAULT_DB_ALIAS, ConnectionHandler
+from django.db.models.signals import pre_save, post_delete
+
+import logging
+logger = logging.getLogger(__name__)
+
+
+from django.dispatch import Signal
+
+cleanup_pre_delete = Signal(providing_args=["file"])
+cleanup_post_delete = Signal(providing_args=["file"])
+
+
+
+def _find_models_with_filefield():
+    result = []
+    for model in apps.get_models():
+        for field in model._meta.fields:
+            if isinstance(field, models.FileField):
+                result.append(model)
+                break
+    return result
+
+
+def _delete_file(file_obj):
+    def delete_from_storage():
+        try:
+            cleanup_pre_delete.send(sender=None, file=file_obj)
+            storage.delete(file_obj.name)
+            cleanup_post_delete.send(sender=None, file=file_obj)
+        except Exception:
+            logger.exception("Unexpected exception while attempting "
+			     "to delete old file '%s'".format(file_obj.name))
+
+    storage = file_obj.storage
+    if storage and storage.exists(file_obj.name):
+        connection.on_commit(delete_from_storage)
+
+
+def _get_file_fields(instance):
+    return filter(
+        lambda field: isinstance(field, models.FileField),
+        instance._meta.fields,
+    )
+
+
+def remove_files_on_change(sender, instance, **kwargs):
+    if not instance.pk:
+        return
+
+    try:
+        old_instance = sender.objects.get(pk=instance.pk)
+    except instance.DoesNotExist:
+        return
+
+    for field in _get_file_fields(instance):
+        old_file = getattr(old_instance, field.name)
+        new_file = getattr(instance, field.name)
+
+        if old_file and old_file != new_file:
+            _delete_file(old_file)
+
+
+def remove_files_on_delete(sender, instance, **kwargs):
+    for field in _get_file_fields(instance):
+        file_to_delete = getattr(instance, field.name)
+
+        if file_to_delete:
+            _delete_file(file_to_delete)
+
+
+def connect_cleanup_files_signals():
+    connections = ConnectionHandler()
+    backend = connections[DEFAULT_DB_ALIAS]
+
+    for model in _find_models_with_filefield():
+        pre_save.connect(remove_files_on_change, sender=model)
+        post_delete.connect(remove_files_on_delete, sender=model)

taiga/base/signals/thumbnails.py

@@ -15,7 +15,7 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-from django_transactional_cleanup.signals import cleanup_post_delete
+from .cleanup_files import cleanup_post_delete
 from easy_thumbnails.files import get_thumbnailer
 
 

taiga/events/apps.py

@@ -19,15 +19,16 @@ import sys
 from django.apps import AppConfig
 from django.db.models import signals
 
-from . import signal_handlers as handlers
 
 
 def connect_events_signals():
+    from . import signal_handlers as handlers
     signals.post_save.connect(handlers.on_save_any_model, dispatch_uid="events_change")
     signals.post_delete.connect(handlers.on_delete_any_model, dispatch_uid="events_delete")
 
 
 def disconnect_events_signals():
+    from . import signal_handlers as handlers
     signals.post_save.disconnect(dispatch_uid="events_change")
     signals.post_delete.disconnect(dispatch_uid="events_delete")
 

taiga/feedback/apps.py

@@ -20,8 +20,6 @@ from django.apps import apps
 from django.conf import settings
 from django.conf.urls import include, url
 
-from .routers import router
-
 
 class FeedbackAppConfig(AppConfig):
     name = "taiga.feedback"
@@ -30,4 +28,5 @@ class FeedbackAppConfig(AppConfig):
     def ready(self):
         if settings.FEEDBACK_ENABLED:
             from taiga.urls import urlpatterns
+            from .routers import router
             urlpatterns.append(url(r'^api/v1/', include(router.urls)))

taiga/mdrender/__init__.py

@@ -1,18 +0,0 @@
-# Copyright (C) 2014-2016 Andrey Antukh <niwi@niwi.nz>
-# Copyright (C) 2014-2016 Jesús Espino <jespinog@gmail.com>
-# Copyright (C) 2014-2016 David Barragán <bameda@dbarragan.com>
-# Copyright (C) 2014-2016 Alejandro Alonso <alejandro.alonso@kaleidos.net>
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU Affero General Public License as
-# published by the Free Software Foundation, either version 3 of the
-# License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU Affero General Public License for more details.
-#
-# You should have received a copy of the GNU Affero General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-from .service import *

taiga/mdrender/service.py

@@ -144,4 +144,5 @@ def get_diff_of_htmls(html1, html2):
     diffutil.diff_cleanupSemantic(diffs)
     return diffutil.diff_pretty_html(diffs)
 
+
 __all__ = ["render", "get_diff_of_htmls", "render_and_extract"]

taiga/projects/apps.py

@@ -19,12 +19,11 @@ from django.apps import AppConfig
 from django.apps import apps
 from django.db.models import signals
 
-from . import signals as handlers
-
 
 ## Project Signals
 
 def connect_projects_signals():
+    from . import signals as handlers
     # On project object is created apply template.
     signals.post_save.connect(handlers.project_post_save,
                               sender=apps.get_model("projects", "Project"),
@@ -51,6 +50,7 @@ def disconnect_projects_signals():
 ## Memberships Signals
 
 def connect_memberships_signals():
+    from . import signals as handlers
     # On membership object is deleted, update role-points relation.
     signals.pre_delete.connect(handlers.membership_post_delete,
                                sender=apps.get_model("projects", "Membership"),
@@ -71,6 +71,7 @@ def disconnect_memberships_signals():
 ## US Statuses Signals
 
 def connect_us_status_signals():
+    from . import signals as handlers
     signals.post_save.connect(handlers.try_to_close_or_open_user_stories_when_edit_us_status,
                               sender=apps.get_model("projects", "UserStoryStatus"),
                               dispatch_uid="try_to_close_or_open_user_stories_when_edit_us_status")
@@ -85,6 +86,7 @@ def disconnect_us_status_signals():
 ## Tasks Statuses Signals
 
 def connect_task_status_signals():
+    from . import signals as handlers
     signals.post_save.connect(handlers.try_to_close_or_open_user_stories_when_edit_task_status,
                               sender=apps.get_model("projects", "TaskStatus"),
                               dispatch_uid="try_to_close_or_open_user_stories_when_edit_task_status")

taiga/projects/attachments/admin.py

@@ -16,7 +16,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 from django.contrib import admin
-from django.contrib.contenttypes import generic
+from django.contrib.contenttypes.admin import GenericTabularInline
 
 from . import models
 
@@ -38,7 +38,7 @@ class AttachmentAdmin(admin.ModelAdmin):
         return super().formfield_for_foreignkey(db_field, request, **kwargs)
 
 
-class AttachmentInline(generic.GenericTabularInline):
+class AttachmentInline(GenericTabularInline):
      model = models.Attachment
      fields = ("attached_file", "owner")
      extra = 0

taiga/projects/attachments/models.py

@@ -24,7 +24,7 @@ from unidecode import unidecode
 from django.db import models
 from django.conf import settings
 from django.contrib.contenttypes.models import ContentType
-from django.contrib.contenttypes import generic
+from django.contrib.contenttypes.fields import GenericForeignKey
 from django.utils import timezone
 from django.utils.encoding import force_bytes
 from django.utils.translation import ugettext_lazy as _
@@ -57,7 +57,7 @@ class Attachment(models.Model):
                                      verbose_name=_("content type"))
     object_id = models.PositiveIntegerField(null=False, blank=False,
                                             verbose_name=_("object id"))
-    content_object = generic.GenericForeignKey("content_type", "object_id")
+    content_object = GenericForeignKey("content_type", "object_id")
     created_date = models.DateTimeField(null=False, blank=False,
                                         verbose_name=_("created date"),
                                         default=timezone.now)

taiga/projects/issues/apps.py

@@ -19,12 +19,11 @@ from django.apps import AppConfig
 from django.apps import apps
 from django.db.models import signals
 
-from taiga.projects import signals as generic_handlers
-from taiga.projects.custom_attributes import signals as custom_attributes_handlers
-from . import signals as handlers
-
 
 def connect_issues_signals():
+    from taiga.projects import signals as generic_handlers
+    from . import signals as handlers
+
     # Finished date
     signals.pre_save.connect(handlers.set_finished_date_when_edit_issue,
                              sender=apps.get_model("issues", "Issue"),
@@ -43,6 +42,8 @@ def connect_issues_signals():
 
 
 def connect_issues_custom_attributes_signals():
+    from taiga.projects.custom_attributes import signals as custom_attributes_handlers
+
     signals.post_save.connect(custom_attributes_handlers.create_custom_attribute_value_when_create_issue,
                               sender=apps.get_model("issues", "Issue"),
                               dispatch_uid="create_custom_attribute_value_when_create_issue")

taiga/projects/issues/models.py

@@ -16,7 +16,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 from django.db import models
-from django.contrib.contenttypes import generic
+from django.contrib.contenttypes.fields import GenericRelation
 from django.conf import settings
 from django.utils import timezone
 from django.dispatch import receiver
@@ -63,7 +63,7 @@ class Issue(OCCModelMixin, WatchedModelMixin, BlockedMixin, TaggedMixin, models.
     assigned_to = models.ForeignKey(settings.AUTH_USER_MODEL, blank=True, null=True,
                                     default=None, related_name="issues_assigned_to_me",
                                     verbose_name=_("assigned to"))
-    attachments = generic.GenericRelation("attachments.Attachment")
+    attachments = GenericRelation("attachments.Attachment")
     external_reference = TextArrayField(default=None, verbose_name=_("external reference"))
     _importing = None
 

taiga/projects/likes/models.py

@@ -17,7 +17,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 from django.conf import settings
-from django.contrib.contenttypes import generic
+from django.contrib.contenttypes.fields import GenericForeignKey
 from django.db import models
 from django.utils.translation import ugettext_lazy as _
 
@@ -25,7 +25,7 @@ from django.utils.translation import ugettext_lazy as _
 class Like(models.Model):
     content_type = models.ForeignKey("contenttypes.ContentType")
     object_id = models.PositiveIntegerField()
-    content_object = generic.GenericForeignKey("content_type", "object_id")
+    content_object = GenericForeignKey("content_type", "object_id")
     user = models.ForeignKey(settings.AUTH_USER_MODEL, null=False, blank=False,
                              related_name="likes", verbose_name=_("user"))
     created_date = models.DateTimeField(null=False, blank=False, auto_now_add=True,

taiga/projects/notifications/models.py

@@ -16,7 +16,8 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 from django.conf import settings
-from django.contrib.contenttypes import generic
+from django.contrib.contenttypes.fields import GenericForeignKey
+
 from django.db import models
 from django.utils.translation import ugettext_lazy as _
 from django.utils import timezone
@@ -80,7 +81,7 @@ class HistoryChangeNotification(models.Model):
 class Watched(models.Model):
     content_type = models.ForeignKey("contenttypes.ContentType")
     object_id = models.PositiveIntegerField()
-    content_object = generic.GenericForeignKey("content_type", "object_id")
+    content_object = GenericForeignKey("content_type", "object_id")
     user = models.ForeignKey(settings.AUTH_USER_MODEL, blank=False, null=False,
                               related_name="watched", verbose_name=_("user"))
     created_date = models.DateTimeField(auto_now_add=True, null=False, blank=False,

taiga/projects/notifications/services.py

@@ -102,13 +102,13 @@ def analize_object_for_watchers(obj:object, comment:str, user:object):
     if not hasattr(obj, "add_watcher"):
         return
 
-    from taiga import mdrender as mdr
 
     texts = (getattr(obj, "description", ""),
              getattr(obj, "content", ""),
              comment,)
 
-    _, data = mdr.render_and_extract(obj.get_project(), "\n".join(texts))
+    from taiga.mdrender.service import render_and_extract
+    _, data = render_and_extract(obj.get_project(), "\n".join(texts))
 
     if data["mentions"]:
         for user in data["mentions"]:

taiga/projects/references/models.py

@@ -18,7 +18,7 @@
 from django.db import models
 from django.utils import timezone
 from django.contrib.contenttypes.models import ContentType
-from django.contrib.contenttypes.generic import GenericForeignKey
+from django.contrib.contenttypes.fields import GenericForeignKey
 
 from taiga.projects.userstories.models import UserStory
 from taiga.projects.tasks.models import Task

taiga/projects/tasks/apps.py

@@ -19,11 +19,10 @@ from django.apps import AppConfig
 from django.apps import apps
 from django.db.models import signals
 
-from taiga.projects import signals as generic_handlers
-from taiga.projects.custom_attributes import signals as custom_attributes_handlers
-from . import signals as handlers
 
 def connect_tasks_signals():
+    from taiga.projects import signals as generic_handlers
+    from . import signals as handlers
     # Finished date
     signals.pre_save.connect(handlers.set_finished_date_when_edit_task,
                              sender=apps.get_model("tasks", "Task"),
@@ -40,6 +39,7 @@ def connect_tasks_signals():
                                 dispatch_uid="update_project_tags_when_delete_tagglabe_item_task")
 
 def connect_tasks_close_or_open_us_and_milestone_signals():
+    from . import signals as handlers
     # Cached prev object version
     signals.pre_save.connect(handlers.cached_prev_task,
                              sender=apps.get_model("tasks", "Task"),
@@ -53,6 +53,7 @@ def connect_tasks_close_or_open_us_and_milestone_signals():
                                 dispatch_uid="try_to_close_or_open_us_and_milestone_when_delete_task")
 
 def connect_tasks_custom_attributes_signals():
+    from taiga.projects.custom_attributes import signals as custom_attributes_handlers
     signals.post_save.connect(custom_attributes_handlers.create_custom_attribute_value_when_create_task,
                               sender=apps.get_model("tasks", "Task"),
                               dispatch_uid="create_custom_attribute_value_when_create_task")

taiga/projects/tasks/models.py

@@ -16,7 +16,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 from django.db import models
-from django.contrib.contenttypes import generic
+from django.contrib.contenttypes.fields import GenericRelation
 from django.conf import settings
 from django.utils import timezone
 from django.utils.translation import ugettext_lazy as _
@@ -62,7 +62,7 @@ class Task(OCCModelMixin, WatchedModelMixin, BlockedMixin, TaggedMixin, models.M
     assigned_to = models.ForeignKey(settings.AUTH_USER_MODEL, blank=True, null=True,
                                     default=None, related_name="tasks_assigned_to_me",
                                     verbose_name=_("assigned to"))
-    attachments = generic.GenericRelation("attachments.Attachment")
+    attachments = GenericRelation("attachments.Attachment")
     is_iocaine = models.BooleanField(default=False, null=False, blank=True,
                                      verbose_name=_("is iocaine"))
     external_reference = TextArrayField(default=None, verbose_name=_("external reference"))

taiga/projects/userstories/apps.py

@@ -19,12 +19,10 @@ from django.apps import AppConfig
 from django.apps import apps
 from django.db.models import signals
 
-from taiga.projects import signals as generic_handlers
-from taiga.projects.custom_attributes import signals as custom_attributes_handlers
-from . import signals as handlers
-
 
 def connect_userstories_signals():
+    from taiga.projects import signals as generic_handlers
+    from . import signals as handlers
     # Cached prev object version
     signals.pre_save.connect(handlers.cached_prev_us,
                              sender=apps.get_model("userstories", "UserStory"),
@@ -61,6 +59,7 @@ def connect_userstories_signals():
 
 
 def connect_userstories_custom_attributes_signals():
+    from taiga.projects.custom_attributes import signals as custom_attributes_handlers
     signals.post_save.connect(custom_attributes_handlers.create_custom_attribute_value_when_create_user_story,
                               sender=apps.get_model("userstories", "UserStory"),
                               dispatch_uid="create_custom_attribute_value_when_create_user_story")

taiga/projects/userstories/models.py

@@ -16,7 +16,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 from django.db import models
-from django.contrib.contenttypes import generic
+from django.contrib.contenttypes.fields import GenericRelation
 from django.conf import settings
 from django.utils.translation import ugettext_lazy as _
 from django.utils import timezone
@@ -69,7 +69,7 @@ class UserStory(OCCModelMixin, WatchedModelMixin, BlockedMixin, TaggedMixin, mod
                                related_name="user_stories", verbose_name=_("status"),
                                on_delete=models.SET_NULL)
     is_closed = models.BooleanField(default=False)
-    points = models.ManyToManyField("projects.Points", null=False, blank=False,
+    points = models.ManyToManyField("projects.Points", blank=False,
                                     related_name="userstories", through="RolePoints",
                                     verbose_name=_("points"))
 
@@ -97,7 +97,7 @@ class UserStory(OCCModelMixin, WatchedModelMixin, BlockedMixin, TaggedMixin, mod
                                              verbose_name=_("is client requirement"))
     team_requirement = models.BooleanField(default=False, null=False, blank=True,
                                            verbose_name=_("is team requirement"))
-    attachments = generic.GenericRelation("attachments.Attachment")
+    attachments = GenericRelation("attachments.Attachment")
     generated_from_issue = models.ForeignKey("issues.Issue", null=True, blank=True,
                                              on_delete=models.SET_NULL,
                                              related_name="generated_user_stories",

taiga/projects/votes/models.py

@@ -17,7 +17,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 from django.conf import settings
-from django.contrib.contenttypes import generic
+from django.contrib.contenttypes.fields import GenericForeignKey
 from django.db import models
 from django.utils.translation import ugettext_lazy as _
 
@@ -25,7 +25,7 @@ from django.utils.translation import ugettext_lazy as _
 class Votes(models.Model):
     content_type = models.ForeignKey("contenttypes.ContentType")
     object_id = models.PositiveIntegerField()
-    content_object = generic.GenericForeignKey("content_type", "object_id")
+    content_object = GenericForeignKey("content_type", "object_id")
     count = models.PositiveIntegerField(null=False, blank=False, default=0, verbose_name=_("count"))
 
     class Meta:
@@ -46,7 +46,7 @@ class Votes(models.Model):
 class Vote(models.Model):
     content_type = models.ForeignKey("contenttypes.ContentType")
     object_id = models.PositiveIntegerField()
-    content_object = generic.GenericForeignKey("content_type", "object_id")
+    content_object = GenericForeignKey("content_type", "object_id")
     user = models.ForeignKey(settings.AUTH_USER_MODEL, null=False, blank=False,
                              related_name="votes", verbose_name=_("user"))
     created_date = models.DateTimeField(null=False, blank=False, auto_now_add=True,

taiga/projects/wiki/models.py

@@ -16,7 +16,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 from django.db import models
-from django.contrib.contenttypes import generic
+from django.contrib.contenttypes.fields import GenericRelation
 from django.conf import settings
 from django.utils.translation import ugettext_lazy as _
 from django.utils import timezone
@@ -41,7 +41,7 @@ class WikiPage(OCCModelMixin, WatchedModelMixin, models.Model):
                                         default=timezone.now)
     modified_date = models.DateTimeField(null=False, blank=False,
                                          verbose_name=_("modified date"))
-    attachments = generic.GenericRelation("attachments.Attachment")
+    attachments = GenericRelation("attachments.Attachment")
     _importing = None
 
     class Meta:

taiga/timeline/apps.py

@@ -19,16 +19,17 @@ from django.apps import AppConfig
 from django.apps import apps
 from django.db.models import signals
 
-from . import signals as handlers
-from taiga.projects.history.models import HistoryEntry
-
 
 class TimelineAppConfig(AppConfig):
     name = "taiga.timeline"
     verbose_name = "Timeline"
 
     def ready(self):
-        signals.post_save.connect(handlers.on_new_history_entry, sender=HistoryEntry, dispatch_uid="timeline")
+        from . import signals as handlers
+
+        signals.post_save.connect(handlers.on_new_history_entry,
+                                  sender=apps.get_model("history", "HistoryEntry"),
+                                  dispatch_uid="timeline")
         signals.pre_save.connect(handlers.create_membership_push_to_timeline,
                                                  sender=apps.get_model("projects", "Membership"))
         signals.post_delete.connect(handlers.delete_membership_push_to_timeline,

taiga/timeline/models.py

@@ -22,7 +22,7 @@ from django.utils import timezone
 from django.core.exceptions import ValidationError
 
 from django.contrib.contenttypes.models import ContentType
-from django.contrib.contenttypes.generic import GenericForeignKey
+from django.contrib.contenttypes.fields import GenericForeignKey
 
 from taiga.projects.models import Project
 

taiga/webhooks/apps.py

@@ -15,15 +15,16 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+from django.apps import apps
 from django.apps import AppConfig
 from django.db.models import signals
 
-from . import signal_handlers as handlers
-from taiga.projects.history.models import HistoryEntry
-
 
 def connect_webhooks_signals():
-    signals.post_save.connect(handlers.on_new_history_entry, sender=HistoryEntry, dispatch_uid="webhooks")
+    from . import signal_handlers as handlers
+    signals.post_save.connect(handlers.on_new_history_entry,
+                              sender=apps.get_model("history", "HistoryEntry"),
+                              dispatch_uid="webhooks")
 
 
 def disconnect_webhooks_signals():

tests/unit/test_serializer_mixins.py

@@ -10,35 +10,36 @@ pytestmark = pytest.mark.django_db(transaction=True)
 import factory
 
 
-class TestingProjectModel(models.Model):
+class AuxProjectModel(models.Model):
     pass
 
-class TestingModelWithNameAttribute(models.Model):
+class AuxModelWithNameAttribute(models.Model):
     name = models.CharField(max_length=255, null=False, blank=False)
-    project = models.ForeignKey(TestingProjectModel, null=False, blank=False)
+    project = models.ForeignKey(AuxProjectModel, null=False, blank=False)
 
 
-class TestingSerializer(ValidateDuplicatedNameInProjectMixin):
+class AuxSerializer(ValidateDuplicatedNameInProjectMixin):
     class Meta:
-        model = TestingModelWithNameAttribute
+        model = AuxModelWithNameAttribute
+
 
 
 def test_duplicated_name_validation():
-    project = TestingProjectModel.objects.create()
+    project = AuxProjectModel.objects.create()
-    instance_1 = TestingModelWithNameAttribute.objects.create(name="1", project=project)
+    instance_1 = AuxModelWithNameAttribute.objects.create(name="1", project=project)
-    instance_2 = TestingModelWithNameAttribute.objects.create(name="2", project=project)
+    instance_2 = AuxModelWithNameAttribute.objects.create(name="2", project=project)
 
     # No duplicated_name
-    serializer = TestingSerializer(data={"name": "3", "project": project.id})
+    serializer = AuxSerializer(data={"name": "3", "project": project.id})
 
     assert serializer.is_valid()
 
     # Create duplicated_name
-    serializer = TestingSerializer(data={"name": "1", "project": project.id})
+    serializer = AuxSerializer(data={"name": "1", "project": project.id})
 
     assert not serializer.is_valid()
 
     # Update name to existing one
-    serializer = TestingSerializer(data={"id": instance_2.id, "name": "1","project": project.id})
+    serializer = AuxSerializer(data={"id": instance_2.id, "name": "1","project": project.id})
 
     assert not serializer.is_valid()