Add purge and all rules (#187)

* Add purge rule

* Add all rule

* Add release note

Author: tgilon

Snakefile

@@ -3,6 +3,7 @@
 # SPDX-License-Identifier: GPL-3.0-only
 
 import pathlib
+from shutil import rmtree
 
 
 configfile: "config.yaml"
@@ -88,3 +89,24 @@ rule convert_EWG:
         "environment.yaml"
     script:
         "scripts/convert_pdf_EWG_to_dataframe.py"
+
+
+rule all:
+    input:
+        rules.compile_cost_assumptions.output,
+        rules.compile_cost_assumptions_usa.output,
+    default_target:True
+
+
+rule purge:
+    run:
+        import builtins
+
+        do_purge = builtins.input(
+            "Do you really want to delete all generated outputs? [y/N] "
+        )
+        if do_purge == "y":
+            rmtree("outputs/", ignore_errors=True)
+            print("Purging generated outputs.")
+        else:
+            raise Exception(f"Input {do_purge}. Aborting purge.")

docs/release_notes.rst

@@ -28,6 +28,8 @@ Upcoming Release
 
 * Updates the documentation with compile_cost_assumptions_usa.py (https://github.com/PyPSA/technology-data/pull/186)
 
+* Add `purge` and `all` rules to clean all generated outputs and regenerate them (https://github.com/PyPSA/technology-data/pull/187)
+
 `v0.11.0 <https://github.com/PyPSA/technology-data/releases/tag/v0.11.0>`__ (24th January 2025)
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