improve cli, add changelog file

CHANGELOG.md

@@ -0,0 +1,33 @@
+# Change Log
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](http://keepachangelog.com/)
+and this project adheres to [Semantic Versioning](http://semver.org/) with
+regard to the json-rpc api.  As we're currently pre-1.0 release, we
+can and probably will change functionality and break backwards compatability
+at anytime.
+
+## [Unreleased]
+### Security
+  *
+  *
+
+### Fixed
+  *
+  *
+
+### Deprecated
+  *
+  *
+
+### Changed
+  *
+  *
+
+### Added
+  *
+  *
+
+### Removed
+  *
+  *

README.md

@@ -12,13 +12,16 @@ pip install -e .
 
 ## Usage
 
-`txupnp-cli --help`
+```
+usage: txupnp-cli [-h] [--debug_logging] command
 
-`txupnp-cli --command=debug` to get gateway debugging information
+positional arguments:
+  command          debug_gateway | list_mappings
 
-`txupnp-cli --command=list_mappings` to show redirects
-
-`txupnp-cli --debug` to turn on very verbose logging
+optional arguments:
+  -h, --help       show this help message and exit
+  --debug_logging
+```
 
 
 ## License
@@ -27,4 +30,4 @@ This project is MIT licensed. For the full license, see [LICENSE](LICENSE).
 
 ## Contact
 
-The primary contact for this project is @jackrobison(jackrobison@lbry.io)
+The primary contact for this project is @jackrobison

txupnp/cli.py

@@ -13,7 +13,7 @@ def run_command(found, u, command):
         print("failed to find gateway")
         reactor.callLater(0, reactor.stop)
         return
-    if command == "debug":
+    if command == "debug_device":
         external_ip = yield u.get_external_ip()
         print(u.get_debug_info())
         print("external ip: ", external_ip)
@@ -26,16 +26,16 @@ def run_command(found, u, command):
 
 def main():
     parser = argparse.ArgumentParser(description="upnp command line utility")
-    parser.add_argument("--command", dest="command", type=str, help="debug | list_mappings", default="debug")
-    parser.add_argument("--debug", dest="debug", default=False, action="store_true")
+    parser.add_argument(dest="command", type=str, help="debug_gateway | list_mappings")
+    parser.add_argument("--debug_logging", dest="debug_logging", default=False, action="store_true")
     args = parser.parse_args()
-    if args.debug:
+    if args.debug_logging:
         from twisted.python import log as tx_log
         observer = tx_log.PythonLoggingObserver(loggerName="txupnp")
         observer.start()
         log.setLevel(logging.DEBUG)
     command = args.command
-    if command not in ['debug', 'list_mappings']:
+    if command not in ['debug_device', 'list_mappings']:
         return sys.exit(0)
 
     u = UPnP(reactor)