Start Python rewrite

Initial setup, config parsing and registration generation is included.

mautrix_telegram/__main__.py

@@ -0,0 +1,38 @@
+# mautrix-telegram - A Matrix-Telegram puppeting bridge
+# Copyright (C) 2018 Tulir Asokan
+#
+# 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 <http://www.gnu.org/licenses/>.
+import argparse
+import sys
+from . import Config
+
+parser = argparse.ArgumentParser(
+    description="A Matrix-Telegram puppeting bridge.",
+    prog="python -m mautrix-telegram")
+parser.add_argument("-c", "--config", type=str, default="config.yaml",
+                    metavar="<path>", help="the path to your config file")
+parser.add_argument("-g", "--generate-registration", action="store_true",
+                    help="generate registration and quit")
+parser.add_argument("-r", "--registration", type=str, default="registration.yaml",
+                    metavar="<path>", help="the path to save the generated registration to")
+args = parser.parse_args()
+
+config = Config(args.config, args.registration)
+config.load()
+
+if args.generate_registration:
+    config.generate_registration()
+    config.save()
+    print(f"Registration generated and saved to {config.registration_path}")
+    sys.exit(0)