Adding / updating useful helper functions for the PreprocessDataset class (#25)

* Parameters on the head node should be `nextflow.json`

* Function to remove a param

Author: sminot

pubweb/helpers/preprocess_dataset.py

@@ -81,4 +81,15 @@ def add_param(self, kw: str, val, overwrite=False):
         self.params[kw] = val
 
         self.logger.info("Saving parameters")
-        self._write_json(self.params, "config/params.json")
+        self._write_json(self.params, "nextflow.json")
+
+    def remove_param(self, kw: str, force=False):
+        """Remove a parameter from the dataset."""
+
+        assert force or kw in self.params, f"Cannot remove parameter {kw}, does not exist (and force=False)"
+
+        self.logger.info(f"Removing parameter {kw}")
+        del self.params[kw]
+
+        self.logger.info("Saving parameters")
+        self._write_json(self.params, "nextflow.json")