Add first draft for configuration

src/api/config.py

@@ -0,0 +1,31 @@
+from typing import Union
+
+from application.config import Config
+
+
+def config_init(
+    sigfigs: int = Config.sigfigs_default,
+    decimal_places: int = Config.decimal_places_default,
+    print_always: bool = Config.print_always_default,
+):
+    c = Config(sigfigs, decimal_places, print_always)
+    print(c.to_json_str())
+    return c
+
+
+configuration = config_init()
+
+
+def config(
+    sigfigs: Union[int, None] = None,
+    decimal_places: Union[int, None] = None,
+    print_always: Union[bool, None] = None,
+):
+    if sigfigs is not None:
+        configuration.sigfigs = sigfigs
+    if decimal_places is not None:
+        configuration.decimal_places = decimal_places
+    if print_always is not None:
+        configuration.print_always = print_always
+
+    print(configuration.to_json_str())

src/application/config.py

@@ -0,0 +1,22 @@
+import json
+
+
+class Config:
+    """Configuration settings for the application."""
+
+    sigfigs_default = 2
+    decimal_places_default = 2
+    print_always_default = False
+
+    def __init__(
+        self,
+        sigfigs=sigfigs_default,
+        decimal_places=decimal_places_default,
+        print_always=print_always_default,
+    ):
+        self.sigfigs = sigfigs
+        self.decimal_places = decimal_places
+        self.print_always = print_always
+
+    def to_json_str(self):
+        return json.dumps(self.__dict__)

src/resultwizard/__init__.py

@@ -1,3 +1,4 @@
+from api.config import config_init, config
 from api.res import res
 from api.export import export
 from application.cache import _ResultsCache

tests/playground.py

@@ -15,10 +15,11 @@
 print()
 
 
-# wiz.config(
-#     standard_sigfigs = 2,
-#     ...
-# )
+wiz.config_init(
+    sigfigs=3,
+    decimal_places=3,
+    print_always=True,
+)
 
 
 #############################
@@ -30,6 +31,8 @@
 wiz.res("a1", 1.0, r"\mm").print()
 # a: 1.0 \mm
 
+wiz.config(sigfigs=2)
+
 wiz.res("1 b", 1.0, 0.01, r"\per\mm\cubed").print()
 # b: (1.0 ± 0.01) \mm
 
@@ -46,6 +49,8 @@
 wiz.res("e", "1.0", r"\mm").print()
 # e: 1.0 \mm
 
+wiz.config(decimal_places=4)
+
 # wiz.standard_sigfigs(3)
 
 wiz.res("f", "1.0e1", 25e-1).print()