Molodetz blogrol volgens DPP-template

molodetz/dependencies.py

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+# retoor <retoor@molodetz.nl>
+import json
+
+from fastapi import Request
+from fastapi.exceptions import RequestValidationError
+from pydantic import ValidationError
+
+
+async def json_or_form(request: Request, model):
+    content_type = request.headers.get("content-type", "")
+    if content_type.startswith("application/json"):
+        try:
+            data = await request.json()
+        except json.JSONDecodeError as exc:
+            raise RequestValidationError([{"loc": ("body",), "msg": "Invalid JSON", "type": "json_invalid"}]) from exc
+        if not isinstance(data, dict):
+            raise RequestValidationError([{"loc": ("body",), "msg": "Expected an object", "type": "type_error"}])
+    else:
+        form = await request.form()
+        data = {}
+        for key in form.keys():
+            values = [value for value in form.getlist(key) if value != ""]
+            if not values:
+                continue
+            data[key] = values if len(values) > 1 else values[0]
+    try:
+        return model.model_validate(data)
+    except ValidationError as exc:
+        raise RequestValidationError(exc.errors()) from exc