# -*- coding: utf-8 -
#
# This file is part of gunicorn released under the MIT license.
# See the NOTICE for more information.
from __future__ import print_function
import os
import pkg_resources
import sys
try:
import configparser as ConfigParser
except ImportError:
import ConfigParser
from paste.deploy import loadapp, loadwsgi
SERVER = loadwsgi.SERVER
from gunicorn.app.base import Application
from gunicorn.config import Config, get_default_config_file
from gunicorn import util
def _has_logging_config(paste_file):
cfg_parser = ConfigParser.ConfigParser()
cfg_parser.read([paste_file])
return cfg_parser.has_section('loggers')
def paste_config(gconfig, config_url, relative_to, global_conf=None):
# add entry to pkg_resources
sys.path.insert(0, relative_to)
pkg_resources.working_set.add_entry(relative_to)
config_url = config_url.split('#')[0]
cx = loadwsgi.loadcontext(SERVER, config_url, relative_to=relative_to,
global_conf=global_conf)
gc, lc = cx.global_conf.copy(), cx.local_conf.copy()
cfg = {}
host, port = lc.pop('host', ''), lc.pop('port', '')
if host and port:
cfg['bind'] = '%s:%s' % (host, port)
elif host:
cfg['bind'] = host.split(',')
cfg['default_proc_name'] = gc.get('__file__')
# init logging configuration
config_file = config_url.split(':')[1]
if _has_logging_config(config_file):
cfg.setdefault('logconfig', config_file)
for k, v in gc.items():
if k not in gconfig.settings:
continue
cfg[k] = v
for k, v in lc.items():
if k not in gconfig.settings:
continue
cfg[k] = v
return cfg
def load_pasteapp(config_url, relative_to, global_conf=None):
return loadapp(config_url, relative_to=relative_to,
global_conf=global_conf)
class PasterBaseApplication(Application):
gcfg = None
def app_config(self):
return paste_config(self.cfg, self.cfgurl, self.relpath,
global_conf=self.gcfg)
def load_config(self):
super(PasterBaseApplication, self).load_config()
# reload logging conf
if hasattr(self, "cfgfname"):
parser = ConfigParser.ConfigParser()
parser.read([self.cfgfname])
if parser.has_section('loggers'):
from logging.config import fileConfig
config_file = os.path.abspath(self.cfgfname)
fileConfig(config_file, dict(__file__=config_file,
here=os.path.dirname(config_file)))
class PasterApplication(PasterBaseApplication):
def init(self, parser, opts, args):
if len(args) != 1:
parser.error("No application name specified.")
cwd = util.getcwd()
cfgfname = os.path.normpath(os.path.join(cwd, args[0]))
cfgfname = os.path.abspath(cfgfname)
if not os.path.exists(cfgfname):
parser.error("Config file not found: %s" % cfgfname)
self.cfgurl = 'config:%s' % cfgfname
self.relpath = os.path.dirname(cfgfname)
self.cfgfname = cfgfname
sys.path.insert(0, self.relpath)
pkg_resources.working_set.add_entry(self.relpath)
return self.app_config()
def load(self):
# chdir to the configured path before loading,
# default is the current dir
os.chdir(self.cfg.chdir)
return load_pasteapp(self.cfgurl, self.relpath, global_conf=self.gcfg)
class PasterServerApplication(PasterBaseApplication):
def __init__(self, app, gcfg=None, host="127.0.0.1", port=None, *args, **kwargs):
self.cfg = Config()
self.gcfg = gcfg # need to hold this for app_config
self.app = app
self.callable = None
gcfg = gcfg or {}
cfgfname = gcfg.get("__file__")
if cfgfname is not None:
self.cfgurl = 'config:%s' % cfgfname
self.relpath = os.path.dirname(cfgfname)
self.cfgfname = cfgfname
cfg = kwargs.copy()
if port and not host.startswith("unix:"):
bind = "%s:%s" % (host, port)
else:
bind = host
cfg["bind"] = bind.split(',')
if gcfg:
for k, v in gcfg.items():
cfg[k] = v
cfg["default_proc_name"] = cfg['__file__']
try:
for k, v in cfg.items():
if k.lower() in self.cfg.settings and v is not None:
self.cfg.set(k.lower(), v)
except Exception as e:
print("\nConfig error: %s" % str(e), file=sys.stderr)
sys.stderr.flush()
sys.exit(1)
if cfg.get("config"):
self.load_config_from_file(cfg["config"])
else:
default_config = get_default_config_file()
if default_config is not None:
self.load_config_from_file(default_config)
def load(self):
# chdir to the configured path before loading,
# default is the current dir
os.chdir(self.cfg.chdir)
return self.app
def run():
"""\
The ``gunicorn_paster`` command for launching Paster compatible
applications like Pylons or Turbogears2
"""
util.warn("""This command is deprecated.
You should now use the `--paste` option. Ex.:
gunicorn --paste development.ini
""")
from gunicorn.app.pasterapp import PasterApplication
PasterApplication("%(prog)s [OPTIONS] pasteconfig.ini").run()
def paste_server(app, gcfg=None, host="127.0.0.1", port=None, *args, **kwargs):
"""\
A paster server.
Then entry point in your paster ini file should looks like this:
[server:main]
use = egg:gunicorn#main
host = 127.0.0.1
port = 5000
"""
util.warn("""This command is deprecated.
You should now use the `--paste` option. Ex.:
gunicorn --paste development.ini
""")
from gunicorn.app.pasterapp import PasterServerApplication
PasterServerApplication(app, gcfg=gcfg, host=host, port=port, *args, **kwargs).run()