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streamlink/src/streamlink_cli/main.py

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import argparse
import logging
import os
import platform
import re
import signal
import sys
import warnings
from contextlib import closing, suppress
from gettext import gettext
from pathlib import Path
from time import sleep
from typing import Any, Dict, List, Optional, Type, Union
import streamlink.logger as logger
from streamlink import NoPluginError, PluginError, StreamError, Streamlink, __version__ as streamlink_version
from streamlink.exceptions import FatalPluginError, StreamlinkDeprecationWarning
from streamlink.plugin import Plugin, PluginOptions
from streamlink.stream.stream import Stream, StreamIO
from streamlink.utils.named_pipe import NamedPipe
from streamlink.utils.times import LOCAL as LOCALTIMEZONE
from streamlink_cli.argparser import ArgumentParser, build_parser, setup_session_options
from streamlink_cli.compat import DeprecatedPath, importlib_metadata, stdout
from streamlink_cli.console import ConsoleOutput, ConsoleUserInputRequester
from streamlink_cli.constants import CONFIG_FILES, DEFAULT_STREAM_METADATA, LOG_DIR, PLUGIN_DIRS, STREAM_SYNONYMS
from streamlink_cli.output import FileOutput, PlayerOutput
from streamlink_cli.streamrunner import StreamRunner
from streamlink_cli.utils import Formatter, HTTPServer, datetime
from streamlink_cli.utils.versioncheck import check_version
QUIET_OPTIONS = ("json", "stream_url", "quiet")
args: Any = None # type: ignore[assignment]
console: ConsoleOutput = None # type: ignore[assignment]
output: Union[FileOutput, PlayerOutput] = None # type: ignore[assignment]
stream_fd: StreamIO = None # type: ignore[assignment]
streamlink: Streamlink = None # type: ignore[assignment]
log = logging.getLogger("streamlink.cli")
def get_formatter(plugin: Plugin):
return Formatter(
{
"url": lambda: args.url,
"plugin": lambda: plugin.module,
"id": lambda: plugin.get_id(),
"author": lambda: plugin.get_author(),
"category": lambda: plugin.get_category(),
"game": lambda: plugin.get_category(),
"title": lambda: plugin.get_title(),
"time": lambda: datetime.now(tz=LOCALTIMEZONE),
},
{
"time": lambda dt, fmt: dt.strftime(fmt),
},
)
def check_file_output(path: Path, force):
"""Checks if file already exists and ask the user if it should
be overwritten if it does."""
log.info(f"Writing output to\n{path.resolve()}")
log.debug("Checking file output")
if path.is_file() and not force:
if sys.stdin.isatty():
answer = console.ask(f"File {path} already exists! Overwrite it? [y/N] ")
if not answer or answer.lower() != "y":
sys.exit()
else:
log.error(f"File {path} already exists, use --force to overwrite it.")
sys.exit()
return FileOutput(path)
def create_output(formatter: Formatter) -> Union[FileOutput, PlayerOutput]:
"""Decides where to write the stream.
Depending on arguments it can be one of these:
- The stdout pipe
- A subprocess' stdin pipe
- A named pipe that the subprocess reads from
- A regular file
"""
if (args.output or args.stdout) and (args.record or args.record_and_pipe):
console.exit("Cannot use record options with other file output options.")
return # type: ignore
if args.output:
if args.output == "-":
return FileOutput(fd=stdout)
else:
return check_file_output(formatter.path(args.output, args.fs_safe_rules), args.force)
elif args.stdout:
return FileOutput(fd=stdout)
elif args.record_and_pipe:
record = check_file_output(formatter.path(args.record_and_pipe, args.fs_safe_rules), args.force)
return FileOutput(fd=stdout, record=record)
elif not args.player:
console.exit(
"The default player (VLC) does not seem to be installed."
+ " You must specify the path to a player executable with --player,"
+ " a file path to save the stream with --output,"
+ " or pipe the stream to another program with --stdout.",
)
return # type: ignore
else:
http = namedpipe = record = None
if args.player_fifo:
try:
namedpipe = NamedPipe() # type: ignore[abstract] # ???
except OSError as err:
console.exit(f"Failed to create pipe: {err}")
return # type: ignore
elif args.player_http:
http = create_http_server()
if args.record:
if args.record == "-":
record = FileOutput(fd=stdout)
else:
record = check_file_output(formatter.path(args.record, args.fs_safe_rules), args.force)
log.info(f"Starting player: {args.player}")
return PlayerOutput(
args.player,
args=args.player_args,
quiet=not args.verbose_player,
kill=not args.player_no_close,
namedpipe=namedpipe,
http=http,
record=record,
title=formatter.title(args.title, defaults=DEFAULT_STREAM_METADATA) if args.title else args.url,
)
def create_http_server(*_args, **_kwargs):
"""Creates an HTTP server listening on a given host and port.
If host is empty, listen on all available interfaces, and if port is 0,
listen on a random high port.
"""
try:
http = HTTPServer()
http.bind(*_args, **_kwargs)
except OSError as err:
console.exit(f"Failed to create HTTP server: {err}")
return
return http
def iter_http_requests(server, player):
"""Repeatedly accept HTTP connections on a server.
Forever if the serving externally, or while a player is running if it is not
empty.
"""
while not player or player.running:
try:
yield server.open(timeout=2.5)
except OSError:
continue
def output_stream_http(
plugin: Plugin,
initial_streams: Dict[str, Stream],
formatter: Formatter,
external: bool = False,
continuous: bool = True,
port: int = 0,
):
"""Continuously output the stream over HTTP."""
global output
if not external:
if not args.player:
console.exit(
"The default player (VLC) does not seem to be installed."
+ " You must specify the path to a player executable with --player.",
)
server = create_http_server()
player = output = PlayerOutput(
args.player,
args=args.player_args,
filename=server.url,
quiet=not args.verbose_player,
title=formatter.title(args.title, defaults=DEFAULT_STREAM_METADATA) if args.title else args.url,
)
try:
log.info(f"Starting player: {args.player}")
if player:
player.open()
except OSError as err:
console.exit(f"Failed to start player: {args.player} ({err})")
else:
server = create_http_server(host=None, port=port)
player = None
log.info("Starting server, access with one of:")
for url in server.urls:
log.info(f" {url}")
initial_streams_used = False
for req in iter_http_requests(server, player):
user_agent = req.headers.get("User-Agent") or "unknown player"
log.info(f"Got HTTP request from {user_agent}")
stream_fd = prebuffer = None
while not stream_fd and (not player or player.running):
try:
if not initial_streams_used:
streams = initial_streams
initial_streams_used = True
else:
streams = fetch_streams(plugin)
for stream_name in (resolve_stream_name(streams, s) for s in args.stream):
if stream_name in streams:
stream = streams[stream_name]
break
else:
log.info("Stream not available, will re-fetch streams in 10 sec")
sleep(10)
continue
except PluginError as err:
log.error(f"Unable to fetch new streams: {err}")
continue
try:
log.info(f"Opening stream: {stream_name} ({type(stream).shortname()})")
stream_fd, prebuffer = open_stream(stream)
except StreamError as err:
log.error(err)
if stream_fd and prebuffer:
log.debug("Writing stream to player")
stream_runner = StreamRunner(stream_fd, server)
try:
stream_runner.run(prebuffer)
except OSError as err:
# TODO: refactor all console.exit() calls
console.exit(str(err))
if not continuous:
break
server.close(True)
if player:
player.close()
server.close()
def output_stream_passthrough(stream, formatter: Formatter):
"""Prepares a filename to be passed to the player."""
global output
try:
url = stream.to_url()
except TypeError:
console.exit("The stream specified cannot be translated to a URL")
return False
output = PlayerOutput(
args.player,
args=args.player_args,
filename=f'"{url}"',
call=True,
quiet=not args.verbose_player,
title=formatter.title(args.title, defaults=DEFAULT_STREAM_METADATA) if args.title else args.url,
)
try:
log.info(f"Starting player: {args.player}")
output.open()
except OSError as err:
console.exit(f"Failed to start player: {args.player} ({err})")
return False
return True
def open_stream(stream):
"""Opens a stream and reads 8192 bytes from it.
This is useful to check if a stream actually has data
before opening the output.
"""
global stream_fd
# Attempts to open the stream
try:
stream_fd = stream.open()
except StreamError as err:
raise StreamError(f"Could not open stream: {err}") from err
# Read 8192 bytes before proceeding to check for errors.
# This is to avoid opening the output unnecessarily.
try:
log.debug("Pre-buffering 8192 bytes")
prebuffer = stream_fd.read(8192)
except OSError as err:
stream_fd.close()
raise StreamError(f"Failed to read data from stream: {err}") from err
if not prebuffer:
stream_fd.close()
raise StreamError("No data returned from stream")
return stream_fd, prebuffer
def output_stream(stream, formatter: Formatter):
"""Open stream, create output and finally write the stream to output."""
global output
# create output before opening the stream, so file outputs can prompt on existing output
output = create_output(formatter)
success_open = False
for i in range(args.retry_open):
try:
stream_fd, prebuffer = open_stream(stream)
success_open = True
break
except StreamError as err:
log.error(f"Try {i + 1}/{args.retry_open}: Could not open stream {stream} ({err})")
if not success_open:
return console.exit(f"Could not open stream {stream}, tried {args.retry_open} times, exiting")
try:
output.open()
except OSError as err:
if isinstance(output, PlayerOutput):
console.exit(f"Failed to start player: {args.player} ({err})")
elif output.filename:
console.exit(f"Failed to open output: {output.filename} ({err})")
else:
console.exit(f"Failed to open output ({err}")
return
try:
with closing(output):
log.debug("Writing stream to output")
# TODO: finally clean up the global variable mess and refactor the streamlink_cli package
# noinspection PyUnboundLocalVariable
stream_runner = StreamRunner(stream_fd, output, args.force_progress)
# noinspection PyUnboundLocalVariable
stream_runner.run(prebuffer)
except OSError as err:
# TODO: refactor all console.exit() calls
console.exit(str(err))
return True
def handle_stream(plugin: Plugin, streams: Dict[str, Stream], stream_name: str) -> None:
"""Decides what to do with the selected stream.
Depending on arguments it can be one of these:
- Output JSON represenation
- Output the stream URL
- Continuously output the stream over HTTP
- Output stream data to selected output
"""
stream_name = resolve_stream_name(streams, stream_name)
stream = streams[stream_name]
# Print JSON representation of the stream
if args.json:
console.msg_json(
stream,
metadata=plugin.get_metadata(),
)
elif args.stream_url:
try:
console.msg(stream.to_url())
except TypeError:
console.exit("The stream specified cannot be translated to a URL")
else:
# Find any streams with a '_alt' suffix and attempt
# to use these in case the main stream is not usable.
alt_streams = list(filter(lambda k: f"{stream_name}_alt" in k, sorted(streams.keys())))
file_output = args.output or args.stdout
formatter = get_formatter(plugin)
for name in [stream_name] + alt_streams:
stream = streams[name]
stream_type = type(stream).shortname()
if stream_type in args.player_passthrough and not file_output:
log.info(f"Opening stream: {name} ({stream_type})")
success = output_stream_passthrough(stream, formatter)
elif args.player_external_http:
return output_stream_http(
plugin,
streams,
formatter,
external=True,
continuous=args.player_external_http_continuous,
port=args.player_external_http_port,
)
elif args.player_continuous_http and not file_output:
return output_stream_http(plugin, streams, formatter)
else:
log.info(f"Opening stream: {name} ({stream_type})")
success = output_stream(stream, formatter)
if success:
break
def fetch_streams(plugin: Plugin) -> Dict[str, Stream]:
"""Fetches streams using correct parameters."""
return plugin.streams(stream_types=args.stream_types,
sorting_excludes=args.stream_sorting_excludes)
def fetch_streams_with_retry(plugin: Plugin, interval: float, count: int) -> Optional[Dict[str, Stream]]:
"""Attempts to fetch streams repeatedly
until some are returned or limit hit."""
try:
streams = fetch_streams(plugin)
except PluginError as err:
log.error(err)
streams = None
if not streams:
log.info(f"Waiting for streams, retrying every {interval} second(s)")
attempts = 0
while not streams:
sleep(interval)
try:
streams = fetch_streams(plugin)
except FatalPluginError:
raise
except PluginError as err:
log.error(err)
if count > 0:
attempts += 1
if attempts >= count:
break
return streams
def resolve_stream_name(streams: Dict[str, Stream], stream_name: str) -> str:
"""Returns the real stream name of a synonym."""
if stream_name in STREAM_SYNONYMS and stream_name in streams:
for name, stream in streams.items():
if stream is streams[stream_name] and name not in STREAM_SYNONYMS:
return name
return stream_name
def format_valid_streams(plugin: Plugin, streams: Dict[str, Stream]) -> str:
"""Formats a dict of streams.
Filters out synonyms and displays them next to
the stream they point to.
Streams are sorted according to their quality
(based on plugin.stream_weight).
"""
delimiter = ", "
validstreams = []
for name, stream in sorted(streams.items(), key=lambda s: plugin.stream_weight(s[0])):
if name in STREAM_SYNONYMS:
continue
synonyms = [key for key, value in streams.items() if stream is value and key != name]
if synonyms:
joined = delimiter.join(synonyms)
name = f"{name} ({joined})"
validstreams.append(name)
return delimiter.join(validstreams)
def handle_url():
"""The URL handler.
Attempts to resolve the URL to a plugin and then attempts
to fetch a list of available streams.
Proceeds to handle stream if user specified a valid one,
otherwise output list of valid streams.
"""
try:
pluginname, pluginclass, resolved_url = streamlink.resolve_url(args.url)
setup_plugin_options(streamlink, pluginname, pluginclass)
plugin = pluginclass(streamlink, resolved_url)
log.info(f"Found matching plugin {pluginname} for URL {args.url}")
if args.retry_max or args.retry_streams:
retry_streams = 1
retry_max = 0
if args.retry_streams:
retry_streams = args.retry_streams
if args.retry_max:
retry_max = args.retry_max
streams = fetch_streams_with_retry(plugin, retry_streams, retry_max)
else:
streams = fetch_streams(plugin)
except NoPluginError:
console.exit(f"No plugin can handle URL: {args.url}")
except PluginError as err:
console.exit(str(err))
if not streams:
console.exit(f"No playable streams found on this URL: {args.url}")
if args.default_stream and not args.stream and not args.json:
args.stream = args.default_stream
if args.stream:
validstreams = format_valid_streams(plugin, streams)
for stream_name in args.stream:
if stream_name in streams:
log.info(f"Available streams: {validstreams}")
handle_stream(plugin, streams, stream_name)
return
errmsg = f"The specified stream(s) '{', '.join(args.stream)}' could not be found"
if args.json:
console.msg_json(
plugin=plugin.module,
metadata=plugin.get_metadata(),
streams=streams,
error=errmsg,
)
else:
console.exit(f"{errmsg}.\n Available streams: {validstreams}")
elif args.json:
console.msg_json(
plugin=plugin.module,
metadata=plugin.get_metadata(),
streams=streams,
)
elif args.stream_url:
try:
console.msg(streams[list(streams)[-1]].to_manifest_url())
except TypeError:
console.exit("The stream specified cannot be translated to a URL")
else:
validstreams = format_valid_streams(plugin, streams)
console.msg(f"Available streams: {validstreams}")
def print_plugins():
"""Outputs a list of all plugins Streamlink has loaded."""
pluginlist = list(streamlink.get_plugins().keys())
pluginlist_formatted = ", ".join(sorted(pluginlist))
if args.json:
console.msg_json(pluginlist)
else:
console.msg(f"Loaded plugins: {pluginlist_formatted}")
def load_plugins(dirs: List[Path], showwarning: bool = True):
"""Attempts to load plugins from a list of directories."""
for directory in dirs:
if directory.is_dir():
success = streamlink.load_plugins(str(directory))
if success and type(directory) is DeprecatedPath:
warnings.warn(
f"Loaded plugins from deprecated path, see CLI docs for how to migrate: {directory}",
StreamlinkDeprecationWarning,
stacklevel=1,
)
elif showwarning:
log.warning(f"Plugin path {directory} does not exist or is not a directory!")
def setup_args(
parser: argparse.ArgumentParser,
config_files: Optional[List[Path]] = None,
ignore_unknown: bool = False,
):
"""Parses arguments."""
global args
arglist = sys.argv[1:]
# Load arguments from config files
configs = [f"@{config_file}" for config_file in config_files or []]
args, unknown = parser.parse_known_args(configs + arglist)
if unknown and not ignore_unknown:
msg = gettext("unrecognized arguments: %s")
parser.error(msg % " ".join(unknown))
# Force lowercase to allow case-insensitive lookup
if args.stream:
args.stream = [stream.lower() for stream in args.stream]
if not args.url and args.url_param:
args.url = args.url_param
def setup_config_args(parser, ignore_unknown=False):
config_files = []
if args.config:
# We want the config specified last to get the highest priority
config_files.extend(
config_file
for config_file in [Path(path).expanduser() for path in reversed(args.config)]
if config_file.is_file()
)
else:
# Only load first available default config
for config_file in filter(lambda path: path.is_file(), CONFIG_FILES): # pragma: no branch
if type(config_file) is DeprecatedPath:
warnings.warn(
f"Loaded config from deprecated path, see CLI docs for how to migrate: {config_file}",
StreamlinkDeprecationWarning,
stacklevel=1,
)
config_files.append(config_file)
break
if streamlink and args.url:
# Only load first available plugin config
with suppress(NoPluginError):
pluginname, pluginclass, resolved_url = streamlink.resolve_url(args.url)
for config_file in CONFIG_FILES: # pragma: no branch
config_file = config_file.with_name(f"{config_file.name}.{pluginname}")
if not config_file.is_file():
continue
if type(config_file) is DeprecatedPath:
warnings.warn(
f"Loaded plugin config from deprecated path, see CLI docs for how to migrate: {config_file}",
StreamlinkDeprecationWarning,
stacklevel=1,
)
config_files.append(config_file)
break
if config_files:
setup_args(parser, config_files, ignore_unknown=ignore_unknown)
def setup_signals():
# restore default behavior of raising a KeyboardInterrupt on SIGINT (and SIGTERM)
# so cleanup code can be run when the user stops execution
signal.signal(signal.SIGINT, signal.default_int_handler)
signal.signal(signal.SIGTERM, signal.default_int_handler)
def setup_plugins(extra_plugin_dir=None):
"""Loads any additional plugins."""
load_plugins(PLUGIN_DIRS, showwarning=False)
if extra_plugin_dir:
load_plugins([Path(path).expanduser() for path in extra_plugin_dir])
def setup_streamlink():
"""Creates the Streamlink session."""
global streamlink
streamlink = Streamlink({"user-input-requester": ConsoleUserInputRequester(console)})
def setup_plugin_args(session: Streamlink, parser: ArgumentParser):
"""Sets Streamlink plugin options."""
plugin_args = parser.add_argument_group("Plugin options")
for pname, plugin in session.plugins.items():
defaults = {}
group = parser.add_argument_group(pname.capitalize(), parent=plugin_args)
for parg in plugin.arguments or []:
if not parg.is_global:
group.add_argument(parg.argument_name(pname), **parg.options)
defaults[parg.dest] = parg.default
else:
pargdest = parg.dest
for action in parser._actions:
# find matching global argument
if pargdest != action.dest:
continue
defaults[pargdest] = action.default
plugin.options = PluginOptions(defaults)
def setup_plugin_options(session: Streamlink, pluginname: str, pluginclass: Type[Plugin]):
"""Sets Streamlink plugin options."""
if pluginclass.arguments is None:
return
required = {}
for parg in pluginclass.arguments:
if parg.options.get("help") == argparse.SUPPRESS:
continue
value = getattr(args, parg.dest if parg.is_global else parg.namespace_dest(pluginname))
session.set_plugin_option(pluginname, parg.dest, value)
if not parg.is_global:
if parg.required:
required[parg.name] = parg
# if the value is set, check to see if any of the required arguments are not set
if parg.required or value:
try:
for rparg in pluginclass.arguments.requires(parg.name):
required[rparg.name] = rparg
except RuntimeError:
log.error(f"{pluginname} plugin has a configuration error and the arguments cannot be parsed")
break
if required:
for req in required.values():
if not session.get_plugin_option(pluginname, req.dest):
prompt = f"{req.prompt or f'Enter {pluginname} {req.name}'}: "
session.set_plugin_option(
pluginname,
req.dest,
console.askpass(prompt) if req.sensitive else console.ask(prompt),
)
def log_root_warning():
if hasattr(os, "geteuid"): # pragma: no branch
if os.geteuid() == 0:
log.info("streamlink is running as root! Be careful!")
def log_current_versions():
"""Show current installed versions"""
if not logger.root.isEnabledFor(logging.DEBUG):
return
# macOS
if sys.platform == "darwin":
os_version = f"macOS {platform.mac_ver()[0]}"
# Windows
elif sys.platform == "win32":
os_version = f"{platform.system()} {platform.release()}"
# Linux / other
else:
os_version = platform.platform()
log.debug(f"OS: {os_version}")
log.debug(f"Python: {platform.python_version()}")
log.debug(f"Streamlink: {streamlink_version}")
# https://peps.python.org/pep-0508/#names
re_name = re.compile(r"[A-Z\d](?:[A-Z\d._-]*[A-Z\d])?", re.IGNORECASE)
log.debug("Dependencies:")
for name in [
match.group(0)
for match in map(re_name.match, importlib_metadata.requires("streamlink"))
if match is not None
]:
try:
version = importlib_metadata.version(name)
except importlib_metadata.PackageNotFoundError:
continue
log.debug(f" {name}: {version}")
def log_current_arguments(session: Streamlink, parser: argparse.ArgumentParser):
if not logger.root.isEnabledFor(logging.DEBUG):
return
sensitive = set()
for pname, plugin in session.plugins.items():
for parg in plugin.arguments or []:
if parg.sensitive:
sensitive.add(parg.argument_name(pname))
log.debug("Arguments:")
for action in parser._actions:
if not hasattr(args, action.dest):
continue
value = getattr(args, action.dest)
if action.default != value:
name = next( # pragma: no branch
(option for option in action.option_strings if option.startswith("--")),
action.option_strings[0],
) if action.option_strings else action.dest
log.debug(f" {name}={value if name not in sensitive else '*' * 8}")
def setup_logger_and_console(stream=sys.stdout, filename=None, level="info", json=False):
global console
if filename == "-":
filename = LOG_DIR / f"{datetime.now(tz=LOCALTIMEZONE)}.log"
elif filename:
filename = Path(filename).expanduser().resolve()
if filename:
filename.parent.mkdir(parents=True, exist_ok=True)
verbose = level in ("trace", "all")
streamhandler = logger.basicConfig(
stream=stream,
filename=filename,
level=level,
style="{",
format=f"{'[{asctime}]' if verbose else ''}[{{name}}][{{levelname}}] {{message}}",
datefmt=f"%H:%M:%S{'.%f' if verbose else ''}",
capture_warnings=True,
)
console = ConsoleOutput(streamhandler.stream, json)
def main():
error_code = 0
parser = build_parser()
setup_args(parser, ignore_unknown=True)
# call argument set up as early as possible to load args from config files
setup_config_args(parser, ignore_unknown=True)
# Console output should be on stderr if we are outputting
# a stream to stdout.
if args.stdout or args.output == "-" or args.record == "-" or args.record_and_pipe:
console_out = sys.stderr
else:
console_out = sys.stdout
# We don't want log output when we are printing JSON or a command-line.
silent_log = any(getattr(args, attr) for attr in QUIET_OPTIONS)
log_level = args.loglevel if not silent_log else "none"
log_file = args.logfile if log_level != "none" else None
setup_logger_and_console(console_out, log_file, log_level, args.json)
setup_streamlink()
# load additional plugins
setup_plugins(args.plugin_dirs)
setup_plugin_args(streamlink, parser)
# call setup args again once the plugin specific args have been added
setup_args(parser)
setup_config_args(parser)
# update the logging level if changed by a plugin specific config
log_level = args.loglevel if not silent_log else "none"
logger.root.setLevel(log_level)
log_root_warning()
log_current_versions()
log_current_arguments(streamlink, parser)
setup_session_options(streamlink, args)
setup_signals()
if args.version_check or args.auto_version_check:
try:
check_version(force=args.version_check)
except KeyboardInterrupt:
error_code = 130
if args.version_check:
pass
elif args.help:
parser.print_help()
elif args.plugins:
print_plugins()
elif args.can_handle_url:
try:
streamlink.resolve_url(args.can_handle_url)
except NoPluginError:
error_code = 1
except KeyboardInterrupt:
error_code = 130
elif args.can_handle_url_no_redirect:
try:
streamlink.resolve_url_no_redirect(args.can_handle_url_no_redirect)
except NoPluginError:
error_code = 1
except KeyboardInterrupt:
error_code = 130
elif args.url:
try:
handle_url()
except KeyboardInterrupt:
# Close output
if output:
output.close()
console.msg("Interrupted! Exiting...")
error_code = 130
finally:
if stream_fd:
try:
log.info("Closing currently open stream...")
stream_fd.close()
except KeyboardInterrupt:
error_code = 130
else:
usage = parser.format_usage()
console.msg(
f"{usage}\n"
+ "Use -h/--help to see the available options or read the manual at https://streamlink.github.io",
)
sys.exit(error_code)
def parser_helper():
session = Streamlink()
parser = build_parser()
setup_plugin_args(session, parser)
return parser
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