plugins: Do not check deps if already installed

Signed-off-by: John Andersen <[email protected]>

Author: pdxjohnny

dffml/plugins.py

@@ -54,14 +54,20 @@ def inpath(binary):
     ("source", "mysql"),
 ]
 
-# Dependencies of plugins and how to check if they exist on the system or not
-def check_daal4py():
+
+def python_package_installed(module_name: str) -> bool:
+    """
+    Check if a Python package is installed and can be imported
+    """
     spec = None
     with contextlib.suppress(ModuleNotFoundError):
-        spec = importlib.util.find_spec("daal4py")
+        spec = importlib.util.find_spec(module_name)
     return bool(spec is not None)
 
 
+# Dependencies of plugins and how to check if they exist on the system or not
+
+
 def check_boost():
     # TODO Implement check on Windows
     if os.name == "nt":
@@ -94,18 +100,22 @@ def check_boost():
     ("model", "vowpalWabbit"): {
         "cmake": lambda: inpath("cmake"),
         "boost": check_boost,
-    },
+    }
+    if not python_package_installed("vowpalwabbit")
+    else {},
     ("model", "autosklearn"): {
         "swig": lambda: inpath("swig"),
         "cython": lambda: inpath("cython"),
-    },
+    }
+    if not python_package_installed("auto_sklearn")
+    else {},
 }
 
 # Plugins which currently don't support Python 3.8
 if sys.version_info.major == 3 and sys.version_info.minor < 8:
     CORE_PLUGIN_DEPS[("model", "daal4py")] = {
         # Must be installed already via conda, do not provide a pypi package yet
-        "daal4py": check_daal4py
+        "daal4py": lambda: python_package_installed("daal4py")
     }
 
 # All packages under configloader/ are really named dffml-config-{name}