Add more license files

Signed-off-by: Thijs Baaijen <[email protected]>

Author: Thijss

power-grid-model-ds/solutions/advanced_3_check_for_capacity_issues.py

@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2025 Contributors to the Power Grid Model project <[email protected]>
+#
+# SPDX-License-Identifier: MPL-2.0
+
 from power_grid_model_ds import PowerGridModelInterface
 
 def check_for_capacity_issues(grid: Grid) -> LineArray:

power-grid-model-ds/solutions/advanced_4_build_new_substation.py

@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2025 Contributors to the Power Grid Model project <[email protected]>
+#
+# SPDX-License-Identifier: MPL-2.0
+
 from power_grid_model_ds import PowerGridModelInterface
 
 def check_for_capacity_issues(grid: Grid) -> LineArray:

power-grid-model-ds/solutions/advanced_5_1_get_all_congested_routes.py

@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2025 Contributors to the Power Grid Model project <[email protected]>
+#
+# SPDX-License-Identifier: MPL-2.0
+
 def get_all_congested_routes(grid: Grid) -> list[NodeArray]:
     """Get all nodes on routes that contain an overloaded line."""
     grid.set_feeder_ids()

power-grid-model-ds/solutions/advanced_5_2_find_connection_point.py

@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2025 Contributors to the Power Grid Model project <[email protected]>
+#
+# SPDX-License-Identifier: MPL-2.0
+
 def find_connection_point(route: NodeArray, new_substation: NodeArray) -> NodeArray:
     """Calculate the connection point for the new route.
     This should be the geographically closest node to the new substation.

power-grid-model-ds/solutions/advanced_5_3_connect_to_route.py

@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2025 Contributors to the Power Grid Model project <[email protected]>
+#
+# SPDX-License-Identifier: MPL-2.0
+
 def connect_to_route(grid: Grid, connection_point: NodeArray, new_substation: NodeArray) -> None:
     """Connect the new substation node to the connection point.
     """

power-grid-model-ds/solutions/advanced_6_optimize_route_transfer.py

@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2025 Contributors to the Power Grid Model project <[email protected]>
+#
+# SPDX-License-Identifier: MPL-2.0
+
 def optimize_route_transfer(grid: Grid, connection_point: NodeArray, new_substation: NodeArray) -> None:
     """Attempt to optimize the route transfer moving the naturally open point (NOP) upstream towards the old substation.
     This way, the new substation will take over more nodes of the original route.

power-grid-model-ds/solutions/introduction_1_1_define_array_extensions.py

@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2025 Contributors to the Power Grid Model project <[email protected]>
+#
+# SPDX-License-Identifier: MPL-2.0
+
 class MyNodeArray(NodeArray):
     _defaults = {"x": 0.0, "y": 0.0, "u": 0.0}
     x: NDArray[np.float64]

power-grid-model-ds/solutions/introduction_1_2_define_my_grid.py

@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2025 Contributors to the Power Grid Model project <[email protected]>
+#
+# SPDX-License-Identifier: MPL-2.0
+
 @dataclass
 class ExtendedGrid(Grid):
     node: MyNodeArray

power-grid-model-ds/solutions/introduction_1_3_grid_empty.py

@@ -1,2 +1,6 @@
+# SPDX-FileCopyrightText: 2025 Contributors to the Power Grid Model project <[email protected]>
+#
+# SPDX-License-Identifier: MPL-2.0
+
 grid = ExtendedGrid.empty()
 grid

power-grid-model-ds/solutions/introduction_1_3_grid_verification.py

@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2025 Contributors to the Power Grid Model project <[email protected]>
+#
+# SPDX-License-Identifier: MPL-2.0
+
 print("Node 'u' field exists?", hasattr(grid.node, "u"))
 print("Line 'i_from' field exists?", hasattr(grid.line, "i_from"))
 print("Node array:", grid.node)