add attribution header

Author: emerbitz

examples/advanced/advanced.py

@@ -1,4 +1,27 @@
 # %%
+# This file is part of the gmx-top4py project.
+#
+# The gmx-top4py project is based on or includes code from:
+#    kimmdy (https://github.com/graeter-group/kimmdy/tree/main)
+#    Copyright (C) graeter-group
+#    Licensed under the GNU General Public License v3.0 (GPLv3).
+# 
+# Modifications and additional code:
+#    Copyright (C) 2025 graeter-group
+#    Licensed under the GNU General Public License v3.0 (GPLv3).
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <https://www.gnu.org/licenses/>.
 from pathlib import Path
 from copy import deepcopy
 

examples/basic/basic.py

@@ -1,4 +1,27 @@
 # %%
+# This file is part of the gmx-top4py project.
+#
+# The gmx-top4py project is based on or includes code from:
+#    kimmdy (https://github.com/graeter-group/kimmdy/tree/main)
+#    Copyright (C) graeter-group
+#    Licensed under the GNU General Public License v3.0 (GPLv3).
+# 
+# Modifications and additional code:
+#    Copyright (C) 2025 graeter-group
+#    Licensed under the GNU General Public License v3.0 (GPLv3).
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <https://www.gnu.org/licenses/>.
 from pathlib import Path
 
 from gmx_top4py.topology.topology import Topology

examples/ff_params/ff_params.py

@@ -1,4 +1,27 @@
 # %%
+# This file is part of the gmx-top4py project.
+#
+# The gmx-top4py project is based on or includes code from:
+#    kimmdy (https://github.com/graeter-group/kimmdy/tree/main)
+#    Copyright (C) graeter-group
+#    Licensed under the GNU General Public License v3.0 (GPLv3).
+# 
+# Modifications and additional code:
+#    Copyright (C) 2025 graeter-group
+#    Licensed under the GNU General Public License v3.0 (GPLv3).
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <https://www.gnu.org/licenses/>.
 from pathlib import Path
 from copy import deepcopy