Merge pull request #262 from jacebrowning/dict-attributes

Add support for accessing Dict keys as attributes

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Release Notes
 
+## 1.4 (beta)
+
+- Added support for accessing `Dict` keys as attributes.
+
 ## 1.3 (2022-04-09)
 
 - Added support for paths relative to the user's home directory.

Makefile

@@ -13,6 +13,10 @@ ci: format check test mkdocs  ## Run all tasks that determine CI status
 dev: install  ## Continuously run all CI tasks when files chanage
 	poetry run ptw
 
+.PHONY: shell
+shell: install
+	poetry run ipython --ipython-dir=notebooks
+
 .PHONY: demo
 demo: install
 	poetry run nbstripout notebooks/*.ipynb

datafiles/types.py

@@ -16,6 +16,18 @@ def to_yaml(cls, representer, node):
 class Dict(dict):
     """Patchable `dict` type."""
 
+    def __getattr__(self, name):
+        try:
+            return self[name]
+        except KeyError:
+            return super().__getattribute__(name)
+
+    def __setattr__(self, name, value):
+        if name == "datafile":
+            super().__setattr__(name, value)
+        else:
+            self[name] = value
+
     @classmethod
     def to_yaml(cls, representer, node):
         return representer.represent_dict(node)

docs/types/containers.md

@@ -49,7 +49,7 @@ from typing import Dict, Optional
 | `foobar: Dict[str, int]`           | `foobar = None`      | `foobar: {}`                                 |
 | `foobar: Optional[Dict[str, int]]` | `foobar = None`      | `foobar:`                                    |
 
-_Schema enforcement is not available with the `Dict` annotation._
+_⚠ Schema enforcement is not available with the `Dict` annotation._
 
 ## Dataclasses
 

notebooks/profile_default/.gitignore

@@ -0,0 +1 @@
+*.sqlite