Lighten the import of pyiron_contrib

In the main init, only pyiron_base is imported to update the JOB_CLASS_DICT.

notebooks/coscine_io.ipynb

@@ -62,7 +62,8 @@
     }
    ],
    "source": [
-    "from pyiron import Project"
+    "from pyiron import Project\n",
+    "import pyiron_contrib.RDM"
    ]
   },
   {

pyiron_contrib/RDM/__init__.py

@@ -0,0 +1,11 @@
+import warnings
+
+
+try:
+    from pyiron import Project
+except:
+    warnings.warn("pyiron module not found, importing Project from pyiron_base")
+    from pyiron_base import Project
+
+from pyiron_contrib.generic.storage_interface_toolkit import StorageInterfaceFactory
+Project.register_tools("storage_interface", StorageInterfaceFactory)

pyiron_contrib/__init__.py

@@ -3,16 +3,15 @@
 
 import warnings
 
-try:
-    from pyiron import Project
-except:
-    warnings.warn("pyiron module not found, importing Project from pyiron_base")
-    from pyiron_base import Project
+from pyiron_base import Project as BaseProject, JOB_CLASS_DICT
 
-from pyiron_base import JOB_CLASS_DICT
-from pyiron_contrib.generic.storage_interface_toolkit import StorageInterfaceFactory
 
-Project.register_tools("storage_interface", StorageInterfaceFactory)
+class Project(BaseProject):
+    def __init__(self, *args, **kwargs):
+        warnings.warn("Importing Project from pyiron_contrib is deprecated. "
+                      "Import from appropriate pyiron module (e.g. pyiron) instead.")
+        super().__init__(*args, **kwargs)
+
 
 # Make classes available for new pyiron version
 JOB_CLASS_DICT.update(

tests/unit/RDM/test_storagejob.py

@@ -4,7 +4,8 @@
 from shutil import rmtree
 from moto import mock_s3
 import boto3
-from pyiron_contrib import Project
+from pyiron_base import Project
+import pyiron_contrib
 from pyiron_contrib.RDM.storagejob import StorageJob
 from pyiron_contrib.generic.s3io import FileS3IO
 from pyiron_base._tests import TestWithCleanProject