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main/management/commands/export_schema.py

@@ -0,0 +1,23 @@
+from pathlib import Path
+
+from django.core.management import BaseCommand, CommandParser
+from strawberry.printer import print_schema
+
+from bbssite.settings import BASE_DIR
+from main.api.schema import schema as schema_symbol
+
+
+class Command(BaseCommand):
+    help = " Write graphql schema to file or stdout"
+
+    def add_arguments(self, parser: CommandParser):
+        parser.add_argument("--filename", default='schema.graphql', help='`-` prints to stdout')
+
+    def handle(self, *args, filename=None, **options):
+        schema_output = print_schema(schema_symbol)
+        if filename != '-':
+            with Path(BASE_DIR, filename).open("w+") as fp:
+                fp.write(schema_output)
+            self.stdout.write(self.style.SUCCESS('OK'))
+        else:
+            print(schema_output)