refactor: migrate to tomllib/tomli

pyproject.toml

@@ -12,8 +12,8 @@ dynamic = ["version", "description"]
 requires-python = "~=3.7"
 dependencies = [
   'pandas',
-  'toml>=0.10',
-  'inform>=1.15',
+  'tomli >= 1.1.0 ; python_version < 3.11',
+  'inform >= 1.15',
   'docopt',      # gui
   'matplotlib',  # gui
   'colorcet',    # gui

wellmap/file.py

@@ -1,13 +1,18 @@
 #!/usr/bin/env python3
 
-import toml
 import sys, re, itertools, inspect
 import pandas as pd
+
 from pathlib import Path
 from inform import plural
 from copy import deepcopy
 from .util import *
 
+try:
+    import tomllib
+except ModuleNotFoundError:
+    import tomli as tomllib
+
 # Data Structures
 # ===============
 # `config`
@@ -321,12 +326,11 @@ def config_from_toml(toml_path, *, shift=(0,0), path_guess=None, path_required=F
     settings.
     """
     toml_path = Path(toml_path).resolve()
-    config = configdict(
-            shift_config(
-                toml.load(str(toml_path)),
-                shift,
-            ),
-    )
+
+    with open(toml_path, 'rb') as f:
+        toml_data = tomllib.load(f)
+
+    config = configdict(shift_config(toml_data, shift))
     concats = []
     deps = {toml_path}