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run.py
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run.py
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"""
The MIT License
Copyright (c) 2015-2020 Just-Some-Bots (https://github.com/Just-Some-Bots)
Copyright (c) 2017-2020 Zenrac - Watora (https://github.com/Zenrac/Watora)
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.
"""
from __future__ import print_function
import os
import sys
import pathlib
import logging
import tempfile
import traceback
import subprocess
from shutil import disk_usage, rmtree
from multiprocessing import Process, Pipe, Queue
import asyncio
try:
import uvloop
except ImportError:
pass
else:
asyncio.set_event_loop_policy(uvloop.EventLoopPolicy())
loop = asyncio.get_event_loop()
class PIP(object):
@classmethod
def run(cls, command, check_output=False):
if not cls.works():
raise RuntimeError("Could not import pip.")
try:
return PIP.run_python_m(*command.split(), check_output=check_output)
except subprocess.CalledProcessError as e:
return e.returncode
except: # noqa: E722
traceback.print_exc()
print("Error using -m method")
@classmethod
def run_python_m(cls, *args, **kwargs):
check_output = kwargs.pop('check_output', False)
check = subprocess.check_output if check_output else subprocess.check_call
return check([sys.executable, '-m', 'pip'] + list(args))
@classmethod
def run_pip_main(cls, *args, **kwargs):
import pip
args = list(args)
check_output = kwargs.pop('check_output', False)
if check_output:
from io import StringIO
out = StringIO()
sys.stdout = out
try:
pip.main(args)
except: # noqa: E722
traceback.print_exc()
finally:
sys.stdout = sys.__stdout__
out.seek(0)
pipdata = out.read()
out.close()
print(pipdata)
return pipdata
else:
return pip.main(args)
@classmethod
def run_install(cls, cmd, quiet=False, check_output=False):
return cls.run("install %s%s" % ('-q ' if quiet else '', cmd), check_output)
@classmethod
def run_show(cls, cmd, check_output=False):
return cls.run("show %s" % cmd, check_output)
@classmethod
def works(cls):
try:
import pip # noqa: F401
return True
except ImportError:
return False
# Setup initial loggers
tmpfile = tempfile.TemporaryFile('w+', encoding='utf8')
log = logging.getLogger('launcher')
log.setLevel(logging.DEBUG)
# log.setLevel(logging.INFO)
sh = logging.StreamHandler(stream=sys.stdout)
sh.setFormatter(logging.Formatter(
fmt="[%(asctime)s] - %(levelname)s: %(message)s"
))
sh.setLevel(logging.INFO)
log.addHandler(sh)
tfh = logging.StreamHandler(stream=tmpfile)
tfh.setFormatter(logging.Formatter(
fmt="[%(asctime)s] - %(levelname)s - %(name)s: %(message)s"
))
tfh.setLevel(logging.DEBUG)
# tfh.setLevel(logging.INFO)
log.addHandler(tfh)
def _delete_old_audiocache(path=os.getcwd() + "//data//downloads"):
try:
rmtree(path)
return True
except OSError: # noqa: E722
try:
os.rename(path, path + '__')
except OSError:
return False
try:
rmtree(path)
except OSError:
os.rename(path + '__', path)
return False
return True
def finalize_logging():
if os.path.isfile("logs/watora.log"):
log.info("Moving old musicbot log")
try:
if os.path.isfile("logs/watora.log.last"):
os.unlink("logs/watora.log.last")
os.rename("logs/watora.log", "logs/watora.log.last")
except OSError:
pass
with open("logs/watora.log", 'w', encoding='utf8') as f:
tmpfile.seek(0)
f.write(tmpfile.read())
tmpfile.close()
f.write('\n')
f.write(" PRE-RUN SANITY CHECKS PASSED ".center(80, '#'))
f.write('\n\n')
global tfh
log.removeHandler(tfh)
del tfh
fh = logging.FileHandler("logs/watora.log", mode='a', encoding='utf8')
fh.setFormatter(logging.Formatter(
fmt="[%(asctime)s] - %(levelname)s: %(message)s"
))
fh.setLevel(logging.DEBUG)
log.addHandler(fh)
sh.setLevel(logging.INFO)
for logger in ['discord', 'lavalink', 'listenmoe']:
dlog = logging.getLogger(logger)
dlh = logging.StreamHandler(stream=sys.stdout)
dlh.setFormatter(logging.Formatter(
fmt="[%(asctime)s] - %(levelname)s: %(message)s"
))
dlog.addHandler(dlh)
dfh = logging.FileHandler(log.handlers[1].baseFilename)
dfh.setFormatter(logging.Formatter(
fmt="[%(asctime)s] - %(levelname)s: %(message)s"
))
dlog.addHandler(dfh)
dlh.setLevel(logging.INFO)
dfh.setLevel(logging.INFO)
def bugger_off(msg="Press enter to continue . . .", code=1):
input(msg)
sys.exit(code)
# TODO: all of this
def sanity_checks(optional=True):
log.info("Starting sanity checks")
# Required
# Make sure we're on python3.5+
req_ensure_py3()
# Fix windows encoding fuckery
req_ensure_encoding()
# Make sure we're in a writeable env
req_ensure_env()
# Make our folders if needed
req_ensure_folders()
# Optional
if not optional:
return
# check disk usage
opt_check_disk_space()
log.info("Checks passed.")
def req_ensure_py3():
log.info("Checking for python 3.5+")
if sys.version_info < (3, 5):
log.warning("Python 3.5+ is required. This version is %s",
sys.version.split()[0])
log.warning("Attempting to locate python 3.5...")
pycom = None
if sys.platform.startswith('win'):
log.info('Trying "py -3.5"')
try:
subprocess.check_output('py -3.5 -c "exit()"', shell=True)
pycom = 'py -3.5'
except: # noqa: E722
log.info('Trying "python3"')
try:
subprocess.check_output('python3 -c "exit()"', shell=True)
pycom = 'python3'
except: # noqa: E722
pass
if pycom:
log.info("Python 3 found. Launching bot...")
pyexec(pycom, 'run.py')
# I hope ^ works
os.system('start cmd /k %s run.py' % pycom)
sys.exit(0)
else:
log.info('Trying "python3.5"')
try:
pycom = subprocess.check_output(
'python3.5 -c "exit()"'.split()).strip().decode()
except: # noqa: E722
pass
if pycom:
log.info(
"\nPython 3 found. Re-launching bot using: %s run.py\n", pycom)
pyexec(pycom, 'run.py')
log.critical(
"Could not find python 3.5. Please run the bot using python 3.5")
bugger_off()
def req_ensure_encoding():
log.info("Checking console encoding")
if sys.platform.startswith('win') or sys.stdout.encoding.replace('-', '').lower() != 'utf8':
log.info("Setting console encoding to UTF-8")
import io
sys.stdout = io.TextIOWrapper(
sys.stdout.detach(), encoding='utf8', line_buffering=True)
# only slightly evil
sys.__stdout__ = sh.stream = sys.stdout
if os.environ.get('PYCHARM_HOSTED', None) not in (None, '0'):
log.info("Enabling colors in pycharm pseudoconsole")
sys.stdout.isatty = lambda: True
def req_ensure_env():
log.info("Ensuring we're in the right folder")
try:
assert os.path.isdir('config'), 'folder "config" not found'
assert os.path.isdir('config/i18n'), 'folder "config.i18n" not found'
assert os.path.isfile(
'config/i18n/english.json'), 'file "english.json" not found'
assert os.path.isdir('cogs'), 'folder "cogs" not found'
assert os.path.isdir('utils'), 'folder "utils" not found'
except AssertionError as e:
log.critical("Failed environment check, %s", e)
bugger_off()
try:
os.mkdir('watora-test-folder')
except Exception:
log.critical("Current working directory does not seem to be writable")
log.critical("Please move the bot to a write")
bugger_off()
finally:
rmtree('watora-test-folder', True)
if sys.platform.startswith('win'):
log.info("Adding local bins/ folder to path")
os.environ['PATH'] += ';' + os.path.abspath('bin/')
sys.path.append(os.path.abspath('bin/')) # might as well
def req_ensure_folders():
pathlib.Path('logs').mkdir(exist_ok=True)
def opt_check_disk_space(warnlimit_mb=200):
if disk_usage('.').free < warnlimit_mb * 1024 * 2:
log.warning(
"Less than %sMB of free space remains on this device" % warnlimit_mb)
#################################################
def pyexec(pycom, *args, pycom2=None):
pycom2 = pycom2 or pycom
os.execlp(pycom, pycom2, *args)
def restart(*args):
pyexec(sys.executable, *args, *sys.argv, pycom2='python')
def main():
# TODO: *actual* argparsing
if '--no-checks' not in sys.argv:
sanity_checks()
finalize_logging()
tried_requirementstxt = False
m = None
try:
from bot import Watora
m = Watora()
sh.terminator = ''
log.info("Connecting\n")
sh.terminator = '\n'
m.run()
except SyntaxError:
log.exception("Syntax error.")
except ImportError:
# TODO: if error module is in pip or dpy requirements...
if not tried_requirementstxt:
tried_requirementstxt = True
log.exception("Error starting bot")
log.info("Attempting to install dependencies...")
err = PIP.run_install('--upgrade -r requirements.txt')
if err: # TODO: add the specific error check back as not to always tell users to sudo it
print()
log.critical("You may need to %s to install dependencies." %
['use sudo', 'run as admin'][sys.platform.startswith('win')])
else:
print()
log.info("Ok lets hope it worked")
print()
else:
log.exception("Unknown ImportError, exiting.")
except RuntimeError:
log.info("Event loop is closed, disconnecting...")
except ValueError as e:
log.info("I'm guessing that your settings.json is invalid, ensure your ','")
log.info(e)
except Exception as e:
log.warning("Error starting Watora")
log.warning(e)
log.warning(type(e))
log.warning(sys.exc_info())
traceback.print_exc()
log.warning(traceback.format_exc())
exc_type, exc_obj, exc_tb = sys.exc_info()
fname = os.path.split(exc_tb.tb_frame.f_code.co_filename)[1]
print(exc_type, fname, exc_tb.tb_lineno)
finally:
if not m or not m.init_ok:
if any(sys.exc_info()):
# How to log this without redundant messages...
traceback.print_exc()
loop.close()
print()
log.info("All done.")
bugger_off()
if __name__ == '__main__':
main()