config.py: add python module to read config.json

1 files changed, 52 insertions, 0 deletions

diff --git a/lib/python/config.py b/lib/python/config.py
new file mode 100644
index 0000000000..61f633ee28
--- /dev/null
+++ b/lib/python/config.py
@@ -0,0 +1,52 @@
+# config.py -- methods to read global configuration from data/config.json
+# Copyright (C) 2019 Emilio Pozuelo Monfort <pochu@debian.org>
+#
+# 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 2 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, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+import json
+import os
+
+_config = None
+
+def get_config():
+    global _config
+    if not _config:
+        d = os.path.dirname(os.path.abspath(__file__))
+
+        with open(d + '/../../data/config.json') as f:
+            config = json.load(f)
+
+        _config = config['distributions']
+
+    return _config
+
+def get_supported_releases():
+    config = get_config()
+
+    return [d for d in config.keys() if 'release' in config[d]]
+
+def get_release_codename(release, suffix=''):
+    config = get_config()
+
+    for r in config.keys():
+        if 'release' in config[r] and config[r]['release'] == release:
+            return r + suffix
+
+    return None
+
+def get_release_alias(codename):
+    config = get_config()
+
+    return config[codename]['release']