Add missing task for preprocessing MLCube

Author: davidjurado

brats/preprocessing/mlcube/mlcube.yaml

@@ -23,4 +23,9 @@ tasks:
 
   sanity_check:
       parameters:
-        inputs: {data_path: data/, parameters_file: {type: file, default: parameters.yaml}}
+        inputs: {data_path: data/, parameters_file: {type: file, default: parameters.yaml}}
+
+  statistics:
+      parameters:
+        inputs: {data_path: data/, parameters_file: {type: file, default: parameters.yaml}}
+        outputs: {output_path: {type: file, default: statistics.yaml}}

brats/preprocessing/project/mlcube.py

@@ -1,6 +1,7 @@
 """MLCube handler file"""
 import os
 import typer
+import yaml
 import subprocess
 
 
@@ -43,6 +44,18 @@ def sanity_check(
 ):
     pass
 
+@app.command("statistics")
+def statistics(
+    data_path: str = typer.Option(..., "--data_path"),
+    parameters_file: str = typer.Option(..., "--parameters_file"),
+    output_path: str = typer.Option(..., "--output_path")
+):
+    stats = {
+        "stat": 1
+    }
+    with open(output_path, "w") as f:
+        yaml.dump(stats, f)
+
 
 if __name__ == "__main__":
     app()