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# Copyright (c) 2017 crocoite contributors
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
"""
Command line interface
"""
import argparse, sys, signal, asyncio, os
from traceback import TracebackException
from enum import IntEnum
from yarl import URL
try:
import manhole
manhole.install (patch_fork=False, oneshot_on='USR1')
except ModuleNotFoundError:
pass
from . import behavior, browser
from .controller import SinglePageController, \
ControllerSettings, StatsHandler, LogHandler, \
RecursiveController, DepthLimit, PrefixLimit
from .devtools import Passthrough, Process
from .warc import WarcHandler
from .logger import Logger, JsonPrintConsumer, DatetimeConsumer, \
WarcHandlerConsumer, Level
from .devtools import Crashed
class SingleExitStatus(IntEnum):
""" Exit status for single-shot command line """
Ok = 0
Fail = 1
BrowserCrash = 2
Navigate = 3
def single ():
parser = argparse.ArgumentParser(description='Save website to WARC using Google Chrome.')
parser.add_argument('--browser', help='DevTools URL', metavar='URL')
parser.add_argument('--timeout', default=1*60*60, type=int, help='Maximum time for archival', metavar='SEC')
parser.add_argument('--idle-timeout', default=30, type=int, help='Maximum idle seconds (i.e. no requests)', dest='idleTimeout', metavar='SEC')
parser.add_argument('--behavior', help='Enable behavior script',
dest='enabledBehaviorNames',
default=list (behavior.availableMap.keys ()),
choices=list (behavior.availableMap.keys ()),
metavar='NAME', nargs='*')
parser.add_argument('url', help='Website URL', type=URL, metavar='URL')
parser.add_argument('output', help='WARC filename', metavar='FILE')
args = parser.parse_args ()
logger = Logger (consumer=[DatetimeConsumer (), JsonPrintConsumer ()])
ret = SingleExitStatus.Fail
service = Process ()
if args.browser:
service = Passthrough (args.browser)
settings = ControllerSettings (idleTimeout=args.idleTimeout, timeout=args.timeout)
with open (args.output, 'wb') as fd, WarcHandler (fd, logger) as warcHandler:
logger.connect (WarcHandlerConsumer (warcHandler))
handler = [StatsHandler (), LogHandler (logger), warcHandler]
b = list (map (lambda x: behavior.availableMap[x], args.enabledBehaviorNames))
controller = SinglePageController (url=args.url, settings=settings,
service=service, handler=handler, behavior=b, logger=logger)
try:
loop = asyncio.get_event_loop()
run = asyncio.ensure_future (controller.run ())
stop = lambda signum: run.cancel ()
loop.add_signal_handler (signal.SIGINT, stop, signal.SIGINT)
loop.add_signal_handler (signal.SIGTERM, stop, signal.SIGTERM)
loop.run_until_complete(run)
loop.close()
ret = SingleExitStatus.Ok
except Crashed:
ret = SingleExitStatus.BrowserCrash
except asyncio.CancelledError:
# don’t log this one
pass
except browser.NavigateError:
ret = SingleExitStatus.Navigate
except Exception as e:
ret = SingleExitStatus.Fail
logger.error ('cli exception',
uuid='7fd69858-ecaa-4225-b213-8ab880aa3cc5',
traceback=list (TracebackException.from_exception (e).format ()))
finally:
r = handler[0].stats
logger.info ('stats', context='cli', uuid='24d92d16-770e-4088-b769-4020e127a7ff', **r)
return ret
def parsePolicy (recursive, url):
if recursive is None:
return DepthLimit (0)
elif recursive.isdigit ():
return DepthLimit (int (recursive))
elif recursive == 'prefix':
return PrefixLimit (url)
raise ValueError ('Unsupported')
def recursive ():
logger = Logger (consumer=[DatetimeConsumer (), JsonPrintConsumer ()])
parser = argparse.ArgumentParser(description='Recursively run crocoite-grab.')
parser.add_argument('--policy', help='Recursion policy', metavar='POLICY')
parser.add_argument('--tempdir', help='Directory for temporary files', metavar='DIR')
parser.add_argument('--prefix', help='Output filename prefix, supports templates {host} and {date}', metavar='FILENAME', default='{host}-{date}-')
parser.add_argument('--concurrency', '-j', help='Run at most N jobs', metavar='N', default=1, type=int)
parser.add_argument('url', help='Seed URL', type=URL, metavar='URL')
parser.add_argument('output', help='Output directory', metavar='DIR')
parser.add_argument('command', help='Fetch command, supports templates {url} and {dest}', metavar='CMD', nargs='*', default=['crocoite-grab', '{url}', '{dest}'])
args = parser.parse_args ()
try:
policy = parsePolicy (args.policy, args.url)
except ValueError:
parser.error ('Invalid argument for --policy')
os.makedirs (args.output, exist_ok=True)
controller = RecursiveController (url=args.url, output=args.output,
command=args.command, logger=logger, policy=policy,
tempdir=args.tempdir, prefix=args.prefix,
concurrency=args.concurrency)
run = asyncio.ensure_future (controller.run ())
loop = asyncio.get_event_loop()
stop = lambda signum: run.cancel ()
loop.add_signal_handler (signal.SIGINT, stop, signal.SIGINT)
loop.add_signal_handler (signal.SIGTERM, stop, signal.SIGTERM)
loop.run_until_complete(run)
loop.close()
return 0
def irc ():
import json, re
from .irc import Chromebot
logger = Logger (consumer=[DatetimeConsumer (), JsonPrintConsumer ()])
parser = argparse.ArgumentParser(description='IRC bot.')
parser.add_argument('--config', '-c', help='Config file location', metavar='PATH', default='chromebot.json')
args = parser.parse_args ()
with open (args.config) as fd:
config = json.load (fd)
s = config['irc']
blacklist = dict (map (lambda x: (re.compile (x[0], re.I), x[1]), config['blacklist'].items ()))
loop = asyncio.get_event_loop()
bot = Chromebot (
host=s['host'],
port=s['port'],
ssl=s['ssl'],
nick=s['nick'],
channels=s['channels'],
tempdir=config['tempdir'],
destdir=config['destdir'],
processLimit=config['process_limit'],
logger=logger,
blacklist=blacklist,
needVoice=config['need_voice'],
loop=loop)
stop = lambda signum: bot.cancel ()
loop.add_signal_handler (signal.SIGINT, stop, signal.SIGINT)
loop.add_signal_handler (signal.SIGTERM, stop, signal.SIGTERM)
loop.run_until_complete(bot.run ())
def dashboard ():
from .irc import Dashboard
loop = asyncio.get_event_loop()
d = Dashboard (sys.stdin, loop)
loop.run_until_complete(d.run ())
loop.run_forever()
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