Add sist2-admin, update Dockerfile & docker-compose

sist2-admin/sist2_admin/state.py

@@ -0,0 +1,50 @@
+from typing import Dict
+
+from hexlib.db import Table
+import pickle
+
+from tesseract import get_tesseract_langs
+
+RUNNING_FRONTENDS: Dict[str, int] = {}
+
+TESSERACT_LANGS = get_tesseract_langs()
+
+DB_SCHEMA_VERSION = "1"
+
+from pydantic import BaseModel
+
+
+def _serialize(item):
+    if isinstance(item, BaseModel):
+        return pickle.dumps(item)
+    if isinstance(item, bytes):
+        raise Exception("FIXME: bytes in PickleTable")
+    return item
+
+
+def _deserialize(item):
+    if isinstance(item, bytes):
+        return pickle.loads(item)
+    return item
+
+
+class PickleTable(Table):
+
+    def __getitem__(self, item):
+        row = super().__getitem__(item)
+        if row:
+            return dict((k, _deserialize(v)) for k, v in row.items())
+        return row
+
+    def __setitem__(self, key, value):
+        value = dict((k, _serialize(v)) for k, v in value.items())
+        super().__setitem__(key, value)
+
+    def __iter__(self):
+        for row in super().__iter__():
+            yield dict((k, _deserialize(v)) for k, v in row.items())
+
+    def sql(self, where_clause, *params):
+        for row in super().sql(where_clause, *params):
+            yield dict((k, _deserialize(v)) for k, v in row.items())
+