Serialization refactor (#5244)

* first pass

* add arrayize

* add black dependency

* almost

* fix to_json

* wrap serialisation unification

* coverage

* fix

* valentin refactor

---------

Co-authored-by: Valentin Sulzer <[email protected]>

Author: aabills

pyproject.toml

@@ -29,6 +29,7 @@ classifiers = [
 ]
 dependencies = [
     "pybammsolvers>=0.3.0,<0.4.0",
+    "black",
     "numpy",
     "scipy>=1.11.4",
     "casadi==3.6.7",

src/pybamm/__init__.py

@@ -109,7 +109,7 @@
 from .geometry import standard_spatial_vars
 
 # Parameter classes and methods
-from .parameters.parameter_values import ParameterValues
+from .parameters.parameter_values import ParameterValues, scalarize_dict, arrayize_dict
 from .parameters import constants
 from .parameters.geometric_parameters import geometric_parameters, GeometricParameters
 from .parameters.electrical_parameters import (