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This adds a basic CLI utility that uses introspection to get all possible commands and enables running them from console. It also provides way to specify complex JSON arguments if needed. Fixes Elektordi#46
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Stanislav Ochotnicky
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Dec 6, 2020
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
| import argparse | ||
| import inspect | ||
| import json | ||
| import logging | ||
| import os | ||
| import sys | ||
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| import obswebsocket | ||
| import obswebsocket.requests | ||
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| def setup_parser(): | ||
| parser = argparse.ArgumentParser( | ||
| description="OBS Studio CLI using OBS Websocket Plugin", | ||
| formatter_class=argparse.ArgumentDefaultsHelpFormatter, | ||
| ) | ||
| subparsers = parser.add_subparsers( | ||
| help="OBS Commands", title="Recognized commands", dest="command" | ||
| ) | ||
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| parser.add_argument("--host", default="localhost", help="Hostname to connect to") | ||
| parser.add_argument("--port", default=4444, type=int, help="Port to connect to") | ||
| parser.add_argument( | ||
| "--password", | ||
| default=os.environ.get("OBS_WEBSOCKET_PASS", None), | ||
| help="Password to use. Defaults to OBS_WEBSOCKET_PASS env var", | ||
| ) | ||
| parser.add_argument( | ||
| "--debug", default=False, action="store_true", help="Enable debugging output" | ||
| ) | ||
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| for subclass in obswebsocket.base_classes.Baserequests.__subclasses__(): | ||
| # Generate a subcommand for each subclass with argument | ||
| subparser = subparsers.add_parser(subclass.__name__) | ||
| for arg in inspect.getargspec(subclass.__init__).args: | ||
| if arg == "self": | ||
| continue | ||
| # TODO: add defaults and maybe deal with optional args? | ||
| subparser.add_argument(arg) | ||
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| return parser | ||
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| def main(): | ||
| parser = setup_parser() | ||
| args = parser.parse_args() | ||
| if not args.command: | ||
| parser.error("No command specified") | ||
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| log_level = logging.INFO | ||
| if args.debug: | ||
| log_level = logging.DEBUG | ||
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| logging.basicConfig(level=log_level) | ||
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| client = obswebsocket.obsws(args.host, args.port, args.password or "") | ||
| try: | ||
| client.connect() | ||
| except obswebsocket.exceptions.ConnectionFailure as e: | ||
| logging.error(e) | ||
| sys.exit(1) | ||
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| for subclass in obswebsocket.base_classes.Baserequests.__subclasses__(): | ||
| if subclass.__name__ != args.command: | ||
| continue | ||
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| # OK, found which request class we need to instantiate. | ||
| # Now let's populate the arguments if we can | ||
| command_args = [] | ||
| for arg in inspect.getfullargspec(subclass.__init__).args: | ||
| if arg == "self": | ||
| continue | ||
| val = args.__dict__.get(arg) | ||
| if val.startswith("json:"): | ||
| # Support "objects" by parsing JSON strings if the argument is | ||
| # prefixed with "json:" | ||
| val = json.loads(val[5:]) | ||
| else: | ||
| # Try to convert numbers from string | ||
| try: | ||
| val = int(val) | ||
| except ValueError: | ||
| pass | ||
| command_args.append(val) | ||
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| # Instantiate the request class based on collected args | ||
| instance = subclass(*command_args) | ||
| ret = client.call(instance) | ||
| if not ret.status: | ||
| # Call failed let's report and exit | ||
| logging.error("Call to OBS failed: %s", ret.datain["error"]) | ||
| client.disconnect() | ||
| sys.exit(1) | ||
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| print(json.dumps(ret.datain, indent=4)) | ||
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| client.disconnect() | ||
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| if __name__ == "__main__": | ||
| main() |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -44,6 +44,7 @@ def run(self): | |
| author_email='[email protected]', | ||
| url='https://github.com/Elektordi/obs-websocket-py', | ||
| keywords=['obs', 'obs-studio', 'websocket'], | ||
| entry_points={"console_scripts": ["obs-web-cli=obswebsocket.cli:main"]}, | ||
| classifiers=[ | ||
| 'License :: OSI Approved :: MIT License', | ||
| 'Environment :: Plugins', | ||
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