Add license headers to code

README.md

@@ -3,10 +3,19 @@
 A [GPTC](https://git.kj7rrv.com/kj7rrv/gptc) model to classify American news as
 right- or left-leaning
 
-Inclusion of a site in this model is not an endorsement of the site.
+## Scripts
+
+No scripts take any arguments.
+
+* `./download.py`: download new articles and add them to the database
+* `./compile.py`: compile GPTC model
+* `./export.py`: create `build/` directory with files for release
+* `./stats.py`: print statistics on article and source counts
 
 ## Sources
 
+Inclusion of a site in this model is not an endorsement of the site.
+
 ### Left
 
 * ABC News

compile.py

@@ -1,3 +1,21 @@
+#!/usr/bin/env python3
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+# Copyright (c) 2022 Samuel L Sloniker
+#
+# 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/>. 
+
 import sqlite3
 import gptc
 

download.py

@@ -1,3 +1,21 @@
+#!/usr/bin/env python3
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+# Copyright (c) 2022 Samuel L Sloniker
+#
+# 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/>. 
+
 import feedparser
 import sqlite3
 import goose3

export.py

@@ -1,3 +1,21 @@
+#!/usr/bin/env python3
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+# Copyright (c) 2022 Samuel L Sloniker
+#
+# 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/>. 
+
 import os
 import shutil
 import sqlite3

stats.py

@@ -1,3 +1,21 @@
+#!/usr/bin/env python3
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+# Copyright (c) 2022 Samuel L Sloniker
+#
+# 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/>. 
+
 import sqlite3
 import tomli