Initial Commit

gurps_character/forms.py

@@ -0,0 +1,28 @@
+import json
+from django import forms
+from django.core.exceptions import ValidationError
+
+    
+def validate_file(value):
+    if value.size > 10**6:
+        raise ValidationError("File too large")
+
+    try:
+        data = json.loads(value.read())
+    except json.JSONDecodeError:
+        raise ValidationError("Not a GCS file - json decode")
+
+    try:
+        version = data['version']
+    except KeyError:
+        import bpdb;bpdb.set_trace()
+        raise ValidationError("Not a GCS file - key error")
+
+    if version < 4:
+        raise ValidationError(
+                f"The file version ({version}) is too old. Please use a newer version (5.20.3) of GCS."
+                )
+
+
+class UploadFileForm(forms.Form):
+    file = forms.FileField(validators=[validate_file])