Add model manager methods to get all objects

CHANGELOG.md

@@ -1,5 +1,6 @@
 # 0.3 (unreleased)
 
+- Added ORM method: `all()`
 - Added ORM method: `get_or_none()`.
 - Added ORM method: `get_or_create()`.
 

datafiles/config.py

@@ -0,0 +1,44 @@
+"""Configuration defaults for each model."""
+
+from __future__ import annotations
+
+from contextlib import suppress
+from dataclasses import dataclass
+from typing import TYPE_CHECKING, Dict, Optional
+
+
+if TYPE_CHECKING:
+    from .converters import Converter
+
+
+@dataclass
+class Meta:
+    datafile_attrs: Optional[Dict[str, Converter]] = None
+    datafile_pattern: Optional[str] = None
+
+    datafile_manual: bool = False
+    datafile_defaults: bool = False
+    datafile_auto_load: bool = True
+    datafile_auto_save: bool = True
+    datafile_auto_attr: bool = False
+
+
+def load(obj) -> Meta:
+    meta = Meta()
+
+    with suppress(AttributeError):
+        meta.datafile_attrs = obj.Meta.datafile_attrs
+    with suppress(AttributeError):
+        meta.datafile_pattern = obj.Meta.datafile_pattern
+    with suppress(AttributeError):
+        meta.datafile_manual = obj.Meta.datafile_manual
+    with suppress(AttributeError):
+        meta.datafile_defaults = obj.Meta.datafile_defaults
+    with suppress(AttributeError):
+        meta.datafile_auto_load = obj.Meta.datafile_auto_load
+    with suppress(AttributeError):
+        meta.datafile_auto_save = obj.Meta.datafile_auto_save
+    with suppress(AttributeError):
+        meta.datafile_auto_attr = obj.Meta.datafile_auto_attr
+
+    return meta

datafiles/decorators.py

@@ -1,19 +1,25 @@
+from __future__ import annotations
+
 import dataclasses
 from pathlib import Path
-from typing import Dict, Optional
+from typing import TYPE_CHECKING, Dict, Optional
+
+from .config import Meta
+from .models import create_model
+
 
-from .converters import Converter
-from .models import ModelMeta, create_model
+if TYPE_CHECKING:
+    from .converters import Converter
 
 
 def datafile(
     pattern: str,
     attrs: Optional[Dict[str, Converter]] = None,
-    manual: bool = ModelMeta.datafile_manual,
-    defaults: bool = ModelMeta.datafile_defaults,
-    auto_load: bool = ModelMeta.datafile_auto_load,
-    auto_save: bool = ModelMeta.datafile_auto_save,
-    auto_attr: bool = ModelMeta.datafile_auto_attr,
+    manual: bool = Meta.datafile_manual,
+    defaults: bool = Meta.datafile_defaults,
+    auto_load: bool = Meta.datafile_auto_load,
+    auto_save: bool = Meta.datafile_auto_save,
+    auto_attr: bool = Meta.datafile_auto_attr,
 ):
     """Synchronize a data class to the specified path."""
 

datafiles/hooks.py

@@ -5,7 +5,7 @@
 import log
 
 from . import settings
-from .builders import build_datafile
+from .mappers import create_mapper
 
 
 LOAD_BEFORE_METHODS = ['__getattribute__', '__getitem__', '__iter__']
@@ -65,7 +65,7 @@ def apply(instance, datafile):
                     setattr(instance, attr_name, attr)
                 else:
                     continue
-            attr.datafile = build_datafile(attr, root=datafile)
+            attr.datafile = create_mapper(attr, root=datafile)
             apply(attr, datafile)