backend: add sits version validation

Author: M3nin0

pysits/backend/loaders.py

@@ -20,10 +20,25 @@
 from collections.abc import Callable
 from typing import Any
 
-from rpy2.robjects import r
+from rpy2.robjects import r as rpy2_r_interface
 from rpy2.robjects.packages import importr
 
 
+def load_package(name: str, min_version: str | None = None) -> Any:
+    """Load R package."""
+    if min_version:
+        has_min_version = rpy2_r_interface(
+            f'packageVersion("{name}") >= "{min_version}"'
+        )
+
+        if not has_min_version[0]:
+            raise RuntimeError(
+                f"`{name}` must have at least version {min_version} or greater."
+            )
+
+    return importr(name)
+
+
 def load_data_from_package(name: str, package: str, **kwargs) -> object:
     """Load data from package.
 
@@ -36,7 +51,7 @@ def load_data_from_package(name: str, package: str, **kwargs) -> object:
 
         **kwargs: Additional arguments to pass to the function.
     """
-    return r.data(name, package=package, **kwargs)
+    return rpy2_r_interface.data(name, package=package, **kwargs)
 
 
 def load_data_from_global(name: str) -> object:
@@ -47,7 +62,7 @@ def load_data_from_global(name: str) -> object:
     Args:
         name (str): Dataset name.
     """
-    return r[name]
+    return rpy2_r_interface[name]
 
 
 def load_function_from_package(name: str) -> Callable[..., Any]:

pysits/backend/pkgs.py

@@ -17,19 +17,20 @@
 
 """backend packages."""
 
-from rpy2.robjects.packages import importr
+from pysits.backend.loaders import load_package
+from pysits.settings import __sitsver__
 
 # system pakage
-r_pkg_base = importr("base")
-r_pkg_grdevices = importr("grDevices")
+r_pkg_base = load_package("base")
+r_pkg_grdevices = load_package("grDevices")
 
 # sits package
-r_pkg_sits = importr("sits")
+r_pkg_sits = load_package("sits", min_version=__sitsver__)
 
 # sits-dependencies packages
-r_pkg_tibble = importr("tibble")
-r_pkg_leaflet = importr("leaflet")
-r_pkg_kohonen = importr("kohonen")
-r_pkg_sf = importr("sf")
-r_pkg_htmlwidgets = importr("htmlwidgets")
-r_pkg_arrow = importr("arrow")
+r_pkg_tibble = load_package("tibble")
+r_pkg_leaflet = load_package("leaflet")
+r_pkg_kohonen = load_package("kohonen")
+r_pkg_sf = load_package("sf")
+r_pkg_htmlwidgets = load_package("htmlwidgets")
+r_pkg_arrow = load_package("arrow")

pysits/settings.py

@@ -36,6 +36,11 @@
 #
 os.environ["TORCH_INSTALL"] = "0"
 
+#
+# Compatible sits version
+#
+__sitsver__ = "1.5.3"
+
 #
 # Package version
 #