From 672d7b9538ed9c1ad811a43dd056ff7cb60d202a Mon Sep 17 00:00:00 2001
From: Fabian <fab.hof@gmx.de>
Date: Wed, 16 Aug 2023 13:45:59 +0200
Subject: [PATCH] force add scenarios.yaml / create_scenarios

---
 config/scenarios.yaml       | 12 ++++++++++++
 scripts/create_scenarios.py | 36 ++++++++++++++++++++++++++++++++++++
 2 files changed, 48 insertions(+)
 create mode 100644 config/scenarios.yaml
 create mode 100644 scripts/create_scenarios.py

diff --git a/config/scenarios.yaml b/config/scenarios.yaml
new file mode 100644
index 00000000..37d32243
--- /dev/null
+++ b/config/scenarios.yaml
@@ -0,0 +1,12 @@
+# -*- coding: utf-8 -*-
+# SPDX-FileCopyrightText: : 2017-2023 The PyPSA-Eur Authors
+#
+# SPDX-License-Identifier: MIT
+
+# This file is used to define the scenarios that are run by snakemake. Each entry on the first level is a scenario. Each scenario can contain configuration overrides with respect to the config/config.yaml settings.
+#
+# Example
+#
+# custom-scenario: # name of the scenario
+#   electricity:
+#       renewable_carriers: [wind, solar] # override the list of renewable carriers
diff --git a/scripts/create_scenarios.py b/scripts/create_scenarios.py
new file mode 100644
index 00000000..40a3c331
--- /dev/null
+++ b/scripts/create_scenarios.py
@@ -0,0 +1,36 @@
+# -*- coding: utf-8 -*-
+# SPDX-FileCopyrightText: : 2017-2023 The PyPSA-Eur Authors
+#
+# SPDX-License-Identifier: MIT
+
+# This script helps to generate a scenarios.yaml file for PyPSA-Eur.
+# You can modify the template to your needs and define all possible combinations of config values that should be considered.
+
+
+import itertools
+
+# Insert your config values that should be altered in the template.
+# Change `config_section` and `config_section2` to the actual config sections.
+template = """
+scenario{scenario_number}:
+    config_section:
+        config_value: {config_value}
+
+    config_section2:
+        config_key2: {config_value2}
+"""
+
+# Define all possible combinations of config values.
+# This must define all config values that are used in the template.
+config_values = dict(config_values=["true", "false"], config_values2=[1, 2, 3, 4, 5])
+
+combinations = [
+    dict(zip(config_values.keys(), values))
+    for values in itertools.product(*config_values.values())
+]
+
+# write the scenarios to a file
+filename = "../config/scenarios.yaml"
+with open(filename, "w") as f:
+    for i, config in enumerate(combinations):
+        f.write(template.format(scenario_number=i, **config))