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126 lines
3.3 KiB
Python
126 lines
3.3 KiB
Python
# This file is part of Supysonic.
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# Supysonic is a Python implementation of the Subsonic server API.
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#
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# Copyright (C) 2021-2023 Alban 'spl0k' Féron
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#
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# Distributed under terms of the GNU AGPLv3 license.
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import importlib
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import os
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import os.path
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from click import command, option, Option
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from click.exceptions import UsageError, ClickException
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from click.types import Choice
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_servers = [
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e.name[:-3]
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for e in os.scandir(os.path.dirname(__file__))
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if not e.name.startswith("_") and e.name.endswith(".py")
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]
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class MutuallyExclusiveOption(Option):
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def __init__(self, *args, **kwargs):
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self.mutually_exclusive = set(kwargs.pop("mutually_exclusive", []))
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help = kwargs.get("help", "")
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if self.mutually_exclusive:
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ex_str = ", ".join(self.mutually_exclusive)
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kwargs[
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"help"
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] = "{} NOTE: This argument is mutually exclusive with arguments: [{}].".format(
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help, ex_str
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)
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super().__init__(*args, **kwargs)
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def handle_parse_result(self, ctx, opts, args):
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if self.mutually_exclusive.intersection(opts) and self.name in opts:
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raise UsageError(
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"Illegal usage: `{}` is mutually exclusive with arguments `{}`.".format(
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self.name, ", ".join(self.mutually_exclusive)
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)
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)
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return super().handle_parse_result(ctx, opts, args)
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def get_server(name):
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return importlib.import_module("." + name, __package__).server
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def find_first_available_server():
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for module in _servers:
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try:
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return get_server(module)
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except ImportError:
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pass
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return None
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@command()
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@option(
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"-S",
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"--server",
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type=Choice(_servers),
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help="Specify which WSGI server to use. Pick the first available if none is set",
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)
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@option(
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"-h",
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"--host",
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default="0.0.0.0",
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show_default=True,
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help="Hostname or IP address on which to listen",
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cls=MutuallyExclusiveOption,
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mutually_exclusive=("socket",),
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)
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@option(
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"-p",
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"--port",
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default=5722,
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show_default=True,
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help="TCP port on which to listen",
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cls=MutuallyExclusiveOption,
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mutually_exclusive=("socket",),
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)
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@option(
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"-s",
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"--socket",
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help="Unix socket on which to bind to, Can't be used with --host and --port",
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cls=MutuallyExclusiveOption,
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mutually_exclusive=("host", "port"),
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)
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@option(
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"--processes",
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type=int,
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help="Number of processes to spawn. May not be supported by all servers",
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)
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@option(
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"--threads",
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type=int,
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help="Number of threads used to process application logic. May not be supported by all servers",
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)
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def main(server, host, port, socket, processes, threads):
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"""Starts the Supysonic web server"""
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if server is None:
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server = find_first_available_server()
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if server is None:
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raise ClickException(
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f"Couldn't load any server, please install one of {_servers}"
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)
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else:
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try:
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server = get_server(server)
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except ImportError:
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raise ClickException(f"Couldn't load {server}, please install it first")
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if socket is not None:
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host = None
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port = None
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server(
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host=host, port=port, socket=socket, processes=processes, threads=threads
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).run()
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