Drop support for Django 2.2 (#22)

.github/workflows/ci.yml

@@ -65,7 +65,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        django-version: ["2.2", "3.2", "4.0"]
+        django-version: ["3.2", "4.0"]
         python-version: ["3.7", "3.8", "3.9", "3.10"]
         exclude:
           - python-version: 3.7

README.rst

@@ -2,10 +2,8 @@
 django-snakeoil
 ===============
 
-django-snakeoil helps manage your ``<meta>`` tags.
-
-Works on all supported Django versions using PostgreSQl, or with any database
-on Django 3.1+.
+django-snakeoil helps manage your ``<meta>`` tags. It works on all supported
+Django versions and databases.
 
 It offers full internationalization support (tags for multiple languages),
 content set dynamically from object attributes, automatic Opengraph image

snakeoil/migrations/0001_initial.py

@@ -2,15 +2,6 @@
 
 from django.db import migrations, models
 
-try:
-    from django.db.models import JSONField
-
-    postgres_only = False
-except ImportError:
-    from django.contrib.postgres.fields import JSONField  # type: ignore
-
-    postgres_only = True
-
 
 class Migration(migrations.Migration):
 
@@ -22,7 +13,7 @@ class Migration(migrations.Migration):
         migrations.CreateModel(
             name="SEOPath",
             fields=[
-                ("meta_tags", JSONField(default=dict, verbose_name="meta tags")),
+                ("meta_tags", models.JSONField(default=dict, verbose_name="meta tags")),
                 (
                     "path",
                     models.CharField(
@@ -36,7 +27,6 @@ class Migration(migrations.Migration):
             options={
                 "verbose_name": "SEO path",
                 "verbose_name_plural": "SEO paths",
-                "required_db_vendor": "postgresql" if postgres_only else None,
             },
         ),
     ]

snakeoil/migrations/0002_auto_20200727_0951.py

@@ -1,10 +1,4 @@
-from django.db import migrations
-
-try:
-    from django.db.models import JSONField
-
-except ImportError:
-    from django.contrib.postgres.fields import JSONField  # type: ignore
+from django.db import migrations, models
 
 
 class Migration(migrations.Migration):
@@ -17,6 +11,6 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name="seopath",
             name="meta_tags",
-            field=JSONField(blank=True, default=dict, verbose_name="meta tags"),
+            field=models.JSONField(blank=True, default=dict, verbose_name="meta tags"),
         ),
     ]

snakeoil/models.py

@@ -1,22 +1,12 @@
-import django
 from django.db import models
 from django.utils.translation import gettext_lazy as _
 
-if django.VERSION > (3, 0):
-    postgres_only = False
-    from django.db.models import JSONField
-else:
-    postgres_only = True
-    from django.contrib.postgres.fields import JSONField  # type: ignore
-
 
 class SEOModel(models.Model):
-    meta_tags = JSONField(blank=True, default=dict, verbose_name=_("meta tags"))
+    meta_tags = models.JSONField(blank=True, default=dict, verbose_name=_("meta tags"))
 
     class Meta:
         abstract = True
-        if postgres_only:
-            required_db_vendor = "postgresql"
 
 
 class SEOPath(SEOModel):
@@ -25,8 +15,6 @@ class SEOPath(SEOModel):
     class Meta:
         verbose_name = _("SEO path")
         verbose_name_plural = _("SEO paths")
-        if postgres_only:
-            required_db_vendor = "postgresql"
 
     def __str__(self) -> str:
         return self.path