Add django-upgrade to pre-commit (#114)

.pre-commit-config.yaml

@@ -20,6 +20,12 @@ repos:
       - id: pyupgrade
         args: [--py310-plus]
 
+  - repo: https://github.com/adamchainz/django-upgrade
+    rev: "1.12.0"
+    hooks:
+      - id: django-upgrade
+        args: [--target-version, "4.1"]
+
   - repo: https://github.com/psf/black
     rev: 22.10.0
     hooks:

activities/views/posts.py

@@ -21,7 +21,7 @@ class Individual(TemplateView):
         self.identity = by_handle_or_404(self.request, handle, local=False)
         self.post_obj = get_object_or_404(self.identity.posts, pk=post_id)
         # If they're coming in looking for JSON, they want the actor
-        accept = request.META.get("HTTP_ACCEPT", "text/html").lower()
+        accept = request.headers.get("accept", "text/html").lower()
         if (
             "application/json" in accept
             or "application/ld" in accept

core/signatures.py

@@ -142,19 +142,19 @@ class HttpSignature:
         Verifies that the request has a valid signature for its body
         """
         # Verify body digest
-        if "HTTP_DIGEST" in request.META:
+        if "digest" in request.headers:
             expected_digest = HttpSignature.calculate_digest(request.body)
-            if request.META["HTTP_DIGEST"] != expected_digest:
+            if request.headers["digest"] != expected_digest:
                 raise VerificationFormatError("Digest is incorrect")
         # Verify date header
-        if "HTTP_DATE" in request.META and not skip_date:
+        if "date" in request.headers and not skip_date:
-            header_date = parse_http_date(request.META["HTTP_DATE"])
+            header_date = parse_http_date(request.headers["date"])
             if abs(timezone.now().timestamp() - header_date) > 60:
                 raise VerificationFormatError("Date is too far away")
         # Get the signature details
-        if "HTTP_SIGNATURE" not in request.META:
+        if "signature" not in request.headers:
             raise VerificationFormatError("No signature header present")
-        signature_details = cls.parse_signature(request.META["HTTP_SIGNATURE"])
+        signature_details = cls.parse_signature(request.headers["signature"])
         # Reject unknown algorithms
         if signature_details["algorithm"] != "rsa-sha256":
             raise VerificationFormatError("Unknown signature algorithm")

takahe/settings.py

@@ -210,7 +210,7 @@ if SETUP.DATABASE_SERVER:
 else:
     DATABASES = {
         "default": {
-            "ENGINE": "django.db.backends.postgresql_psycopg2",
+            "ENGINE": "django.db.backends.postgresql",
             "HOST": SETUP.PGHOST,
             "PORT": SETUP.PGPORT,
             "NAME": SETUP.PGNAME,

users/shortcuts.py

@@ -9,10 +9,10 @@ def by_handle_or_404(request, handle, local=True, fetch=False) -> Identity:
     Domain-sensitive, so it will understand short handles on alternate domains.
     """
     if "@" not in handle:
-        if "HTTP_HOST" not in request.META:
+        if "host" not in request.headers:
             raise Http404("No hostname available")
         username = handle
-        domain_instance = Domain.get_domain(request.META["HTTP_HOST"])
+        domain_instance = Domain.get_domain(request.headers["host"])
         if domain_instance is None:
             raise Http404("No matching domains found")
         domain = domain_instance.domain

users/views/activitypub.py

@@ -38,7 +38,7 @@ class HostMeta(View):
             <XRD xmlns="http://docs.oasis-open.org/ns/xri/xrd-1.0">
             <Link rel="lrdd" template="https://%s/.well-known/webfinger?resource={uri}"/>
             </XRD>"""
-            % request.META["HTTP_HOST"],
+            % request.headers["host"],
             content_type="application/xml",
         )
 

users/views/identity.py

@@ -42,7 +42,7 @@ class ViewIdentity(ListView):
         ):
             self.identity.transition_perform(IdentityStates.outdated)
         # If they're coming in looking for JSON, they want the actor
-        accept = request.META.get("HTTP_ACCEPT", "text/html").lower()
+        accept = request.headers.get("accept", "text/html").lower()
         if (
             "application/json" in accept
             or "application/ld" in accept