Merge @dadosch's changes & fix dependency conflicts

src/documents/admin.py

@@ -3,8 +3,13 @@ from datetime import datetime
 from django.conf import settings
 from django.contrib import admin
 from django.contrib.auth.models import User, Group
-from django.core.urlresolvers import reverse
+try:
+    from django.core.urlresolvers import reverse
+except ImportError:
+    from django.urls import reverse
 from django.templatetags.static import static
+from django.utils.safestring import mark_safe
+from django.utils.html import format_html, format_html_join
 
 from .models import Correspondent, Tag, Document, Log
 
@@ -178,7 +183,7 @@ class DocumentAdmin(CommonAdmin):
                     )
                 }
             )
-        return r
+        return mark_safe(r)
     tags_.allow_tags = True
 
     def document(self, obj):
@@ -198,16 +203,13 @@ class DocumentAdmin(CommonAdmin):
 
     @staticmethod
     def _html_tag(kind, inside=None, **kwargs):
-
-        attributes = []
-        for lft, rgt in kwargs.items():
-            attributes.append('{}="{}"'.format(lft, rgt))
+        attributes = format_html_join(' ', '{}="{}"', kwargs.items())
 
         if inside is not None:
-            return "<{kind} {attributes}>{inside}</{kind}>".format(
-                kind=kind, attributes=" ".join(attributes), inside=inside)
+            return format_html("<{kind} {attributes}>{inside}</{kind}>",
+                               kind=kind, attributes=attributes, inside=inside)
 
-        return "<{} {}/>".format(kind, " ".join(attributes))
+        return format_html("<{} {}/>", kind, attributes)
 
 
 class LogAdmin(CommonAdmin):

src/documents/migrations/0003_sender.py

@@ -32,7 +32,6 @@ def realign_senders(apps, schema_editor):
 
 
 class Migration(migrations.Migration):
-
     dependencies = [
         ('documents', '0002_auto_20151226_1316'),
     ]

src/documents/migrations/0011_auto_20160303_1929.py

@@ -6,7 +6,7 @@ from django.db import migrations
 
 
 class Migration(migrations.Migration):
-
+    atomic = False
     dependencies = [
         ('documents', '0010_log'),
     ]

src/documents/migrations/0012_auto_20160305_0040.py

@@ -112,7 +112,6 @@ def move_documents_and_create_thumbnails(apps, schema_editor):
 
 
 class Migration(migrations.Migration):
-
     dependencies = [
         ('documents', '0011_auto_20160303_1929'),
     ]

src/documents/migrations/0014_document_checksum.py

@@ -128,7 +128,6 @@ def do_nothing(apps, schema_editor):
 
 
 class Migration(migrations.Migration):
-
     dependencies = [
         ('documents', '0013_auto_20160325_2111'),
     ]

src/documents/migrations/0019_add_consumer_user.py

@@ -15,7 +15,6 @@ def reverse_func(apps, schema_editor):
 
 
 class Migration(migrations.Migration):
-
     dependencies = [
         ('documents', '0018_auto_20170715_1712'),
     ]

src/documents/migrations/0020_document_added.py

@@ -12,7 +12,6 @@ def set_added_time_to_created_time(apps, schema_editor):
         doc.save()
 
 class Migration(migrations.Migration):
-
     dependencies = [
         ('documents', '0019_add_consumer_user'),
     ]

src/documents/models.py

@@ -10,7 +10,10 @@ from collections import OrderedDict
 from fuzzywuzzy import fuzz
 
 from django.conf import settings
-from django.core.urlresolvers import reverse
+try:
+    from django.core.urlresolvers import reverse
+except ImportError:
+    from django.urls import reverse
 from django.db import models
 from django.template.defaultfilters import slugify
 from django.utils import timezone