python-zulip-api/zulip_bots/zulip_bots/run.py

105 lines
3.2 KiB
Python
Executable file

#!/usr/bin/env python
from __future__ import print_function
from __future__ import absolute_import
import logging
import argparse
import sys
import os
from types import ModuleType
from importlib import import_module
from os.path import basename, splitext
from zulip_bots.lib import run_message_handler_for_bot
from zulip_bots.provision import provision_bot
current_dir = os.path.dirname(os.path.abspath(__file__))
def import_module_from_source(path, name=None):
if not name:
name = splitext(basename(path))[0]
# importlib.util.module_from_spec is supported from Python3.5
py_version = sys.version_info
if py_version.major < 3 or (py_version.major == 3 and py_version.minor < 5):
import imp
module = imp.load_source(name, path)
else:
import importlib.util
spec = importlib.util.spec_from_file_location(name, path)
module = importlib.util.module_from_spec(spec)
spec.loader.exec_module(module)
return module
def name_and_path_match(given_name, path_to_bot):
if given_name and path_to_bot:
name_by_path = os.path.splitext(os.path.basename(path_to_bot))[0]
if (given_name != name_by_path):
return False
return True
def parse_args():
usage = '''
zulip-run-bot <bot_name>
Example: zulip-run-bot followup
(This program loads bot-related code from the
library code and then runs a message loop,
feeding messages to the library code to handle.)
Please make sure you have a current ~/.zuliprc
file with the credentials you want to use for
this bot.
See lib/readme.md for more context.
'''
parser = argparse.ArgumentParser(usage=usage)
parser.add_argument('bot',
action='store',
help='the name or path of an existing bot to run')
parser.add_argument('--quiet', '-q',
action='store_true',
help='turn off logging output')
parser.add_argument('--config-file',
action='store',
help='(alternate config file to ~/.zuliprc)')
parser.add_argument('--force',
action='store_true',
help='try running the bot even if dependencies install fails')
parser.add_argument('--provision',
action='store_true',
help='install dependencies for the bot')
args = parser.parse_args()
return args
def main():
# type: () -> None
args = parse_args()
if os.path.isfile(args.bot):
bot_path = os.path.abspath(args.bot)
bot_name = os.path.splitext(basename(bot_path))[0]
else:
bot_path = os.path.abspath(os.path.join(current_dir, 'bots', args.bot, args.bot+'.py'))
bot_name = args.bot
if args.provision:
provision_bot(os.path.dirname(bot_path), args.force)
lib_module = import_module_from_source(bot_path, bot_name)
if not args.quiet:
logging.basicConfig(stream=sys.stdout, level=logging.INFO)
run_message_handler_for_bot(
lib_module=lib_module,
config_file=args.config_file,
quiet=args.quiet,
bot_name=bot_name
)
if __name__ == '__main__':
main()