Fixup word_db unserialization

pwgen_fr/word_db.py

@@ -1,8 +1,10 @@
 """ A pre-processed database of words, independant of their source """
 
+import gzip
+import json
 import typing as t
 from enum import Enum
-import json
+from pathlib import Path
 
 
 class Genre(Enum):
@@ -41,8 +43,8 @@ class Nom(t.NamedTuple):
         return {"genre": self.genre.name, "sing": self.sing, "plur": self.plur}
 
     @classmethod
-    def unserialized(cls, **kwargs):
-        genre = Genre(kwargs.pop("genre"))
+    def unserialized(cls, kwargs):
+        genre = Genre[kwargs.pop("genre")]
         return cls(**kwargs, genre=genre)
 
 
@@ -64,7 +66,7 @@ class Adjectif(t.NamedTuple):
         return self._asdict()
 
     @classmethod
-    def unserialized(cls, **kwargs):
+    def unserialized(cls, kwargs):
         return cls(**kwargs)
 
 
@@ -88,7 +90,7 @@ class Verbe(t.NamedTuple):
         return self._asdict()
 
     @classmethod
-    def unserialized(cls, **kwargs):
+    def unserialized(cls, kwargs):
         return cls(**kwargs)
 
 
@@ -109,13 +111,15 @@ class Adverbe(t.NamedTuple):
         return self._asdict()
 
     @classmethod
-    def unserialized(cls, **kwargs):
+    def unserialized(cls, kwargs):
         return cls(**kwargs)
 
 
 class WordDb:
     """Base de donnée de mots, sérialisable"""
 
+    SERIALIZED_GZ_LOCATION = Path(__file__).parent.parent / "morphalou_full.json.gz"
+
     _serialize_data: dict[str, t.Type[t.NamedTuple]] = {
         "noms": Nom,
         "adjectifs": Adjectif,
@@ -171,3 +175,9 @@ class WordDb:
     def load(cls, fd) -> "WordDb":
         """Unserialize from this stream"""
         return cls.unserialize(json.load(fd))
+
+    @classmethod
+    def autoload(cls) -> "WordDb":
+        """Unserialize from default source"""
+        with gzip.open(cls.SERIALIZED_GZ_LOCATION) as h:
+            return cls.load(h)