DEP: drop lick as a hard dependency

nonos/api/satellite.py

@@ -1,9 +1,9 @@
 import warnings
+from importlib.util import find_spec
 from pathlib import Path
 from typing import TYPE_CHECKING, Optional
 
 import numpy as np
-from lick.lick import lick_box
 
 from nonos.api.analysis import Coordinates, GasField, Plotable
 from nonos.loaders import Recipe, loader_from, recipe_from
@@ -97,6 +97,13 @@ def __init__(
         method_background: str = "nearest",
         light_source: bool = True,
     ):
+        if find_spec("lick") is None:
+            raise RuntimeError(
+                "NonosLick cannot be instantiated because lick is not installed"
+            )
+
+        from lick.lick import lick_box
+
         self.xmin = xmin
         self.xmax = xmax
         self.ymin = ymin

pyproject.toml

@@ -21,7 +21,6 @@ requires-python = ">=3.9"
 dependencies = [
     "cblind>=2.3.0",
     "inifix>=3.0.0",
-    "lick>=0.5.1",
     "loguru>=0.5.3",
     "matplotlib>=3.5.0",
     "numpy>=1.19.3",

requirements/tests_all.txt

@@ -2,4 +2,5 @@
 cblind>=2.3.0
 cmocean>=3.0.3
 cmyt>=2.0.0
+lick>=0.5.1
 numexpr>=2.8.3

tests/test_image_comp.py

@@ -1,4 +1,5 @@
 from copy import deepcopy
+from importlib.util import find_spec
 
 import inifix
 import matplotlib as mpl
@@ -95,6 +96,7 @@ def test_3D_vm_xy(test_data_dir, temp_figure_and_axis):
     return fig
 
 
+@pytest.mark.skipif(find_spec("lick") is None, reason="lick is not installed")
 @pytest.mark.parametrize("method", ["nearest", "linear"])
 @pytest.mark.mpl_image_compare()
 def test_nonoslick_method(method, tmp_path):