mirror of
https://github.com/frappe/gunicorn.git
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117 lines
3.3 KiB
Python
117 lines
3.3 KiB
Python
# -*- coding: utf-8 -
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#
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# This file is part of gunicorn released under the MIT license.
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# See the NOTICE for more information.
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import logging
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import optparse
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import os
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import traceback
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from gunicorn import __version__
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from gunicorn import util
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from gunicorn.arbiter import Arbiter
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from gunicorn.config import Config
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from gunicorn.debug import spew
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class Application(object):
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"""\
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An application interface for configuring and loading
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the various necessities for any given web framework.
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"""
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def __init__(self, usage=None):
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self.log = logging.getLogger(__name__)
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self.cfg = Config(usage)
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self.callable = None
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parser = self.cfg.parser()
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opts, args = parser.parse_args()
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cfg = self.init(parser, opts, args)
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# Load up the any app specific configuration
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if cfg:
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for k, v in list(cfg.items()):
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self.cfg.set(k.lower(), v)
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# Load up the config file if its found.
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if opts.config and os.path.exists(opts.config):
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cfg = {
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"__builtins__": __builtins__,
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"__name__": "__config__",
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"__file__": opts.config,
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"__doc__": None,
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"__package__": None
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}
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try:
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execfile(opts.config, cfg, cfg)
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except Exception, e:
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print "Failed to read config file: %s" % opts.config
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traceback.print_exc()
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sys.exit(1)
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for k, v in list(cfg.items()):
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# Ignore unknown names
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if k not in self.cfg.settings:
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continue
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self.cfg.set(k.lower(), v)
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# Lastly, update the configuration with any command line
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# settings.
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for k, v in list(opts.__dict__.items()):
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if v is None:
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continue
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self.cfg.set(k.lower(), v)
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self.configure_logging()
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def init(self, parser, opts, args):
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raise NotImplementedError
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def load(self):
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raise NotImplementedError
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def wsgi(self):
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if self.callable is None:
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self.callable = self.load()
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return self.callable
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def run(self):
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if self.cfg.spew:
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debug.spew()
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if self.cfg.daemon:
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util.daemonize()
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else:
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os.setpgrp()
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Arbiter(self).run()
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def configure_logging(self):
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"""\
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Set the log level and choose the destination for log output.
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"""
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logger = logging.getLogger('gunicorn')
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handlers = []
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if self.cfg.logfile != "-":
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handlers.append(logging.FileHandler(self.cfg.logfile))
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else:
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handlers.append(logging.StreamHandler())
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levels = {
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"critical": logging.CRITICAL,
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"error": logging.ERROR,
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"warning": logging.WARNING,
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"info": logging.INFO,
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"debug": logging.DEBUG
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}
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loglevel = levels.get(self.cfg.loglevel.lower(), logging.INFO)
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logger.setLevel(loglevel)
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format = r"%(asctime)s [%(process)d] [%(levelname)s] %(message)s"
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datefmt = r"%Y-%m-%d %H:%M:%S"
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for h in handlers:
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h.setFormatter(logging.Formatter(format, datefmt))
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logger.addHandler(h)
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