Initial import

e_uae_wrapper/wrapper.py

@@ -0,0 +1,87 @@
+#!/usr/bin/env python
+"""
+Wrapper for e-uae to perform some actions before and or after running the
+emulator, if appropriate option is enabled.
+"""
+import argparse
+import importlib
+import logging
+import os
+import sys
+
+from e_uae_wrapper import utils
+from e_uae_wrapper import WRAPPER_KEY
+
+
+def setup_logger(args):
+    """Setup logger format and level"""
+
+    level = logging.WARNING
+
+    if args.quiet:
+        level = logging.ERROR
+        if args.quiet > 1:
+            level = logging.CRITICAL
+
+    if args.verbose:
+        level = logging.INFO
+        if args.verbose > 1:
+            level = logging.DEBUG
+
+    logging.basicConfig(level=level,
+                        format="%(asctime)s %(levelname)s: %(message)s")
+
+
+def parse_args():
+    """
+    Look out for config file and for config options which would be blindly
+    passed to e-uae.
+    """
+    parser = argparse.ArgumentParser()
+    parser.add_argument('config', help='Configuration file for e-uae.')
+    parser.add_argument('-v', '--verbose', help='Be verbose. Adding more "v" '
+                        'will increase verbosity', action="count",
+                        default=None)
+    parser.add_argument('-q', '--quiet', help='Be quiet. Adding more "q" will'
+                        ' decrease verbosity', action="count", default=None)
+
+    args = parser.parse_args()
+    setup_logger(args)
+    logging.debug("args: %s", args)
+
+    return args
+
+
+def run():
+    """run wrapper module"""
+
+    args = parse_args()
+    configuration = utils.load_conf(args.config)
+
+    if not configuration:
+        logging.error('Error: Configuration file have syntax issues')
+        sys.exit(2)
+
+    wrapper_module = configuration.get(WRAPPER_KEY, 'plain')
+
+    try:
+        wrapper = importlib.import_module('e_uae_wrapper.' +
+                                          wrapper_module)
+    except ImportError:
+        logging.error("Error: provided wrapper module: `%s' doesn't "
+                      "exists.", wrapper_module)
+        sys.exit(3)
+
+    runner = wrapper.Wrapper(os.path.abspath(args.config), configuration)
+
+    try:
+        exit_code = runner.run()
+    finally:
+        runner.clean()
+
+    if not exit_code:
+        sys.exit(4)
+
+
+if __name__ == "__main__":
+    run()