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Copy pathmlogging.py
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229 lines (184 loc) · 7.47 KB
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import datetime
import logging
logging.Logger.manager.emittedNoHandlerWarning = 1
import os
import sys
import traceback
import fcntl
def _close_on_exec(fd):
flags = fcntl.fcntl(fd, fcntl.F_GETFD)
flags |= fcntl.FD_CLOEXEC
fcntl.fcntl(fd, fcntl.F_SETFD, flags)
class SafeAtoms(dict):
def __init__(self, atoms):
dict.__init__(self)
for key, value in atoms.items():
self[key] = value.replace('"', '\\"')
def __getitem__(self, k):
if k.startswith("{"):
kl = k.lower()
if kl in self:
return super(SafeAtoms, self).__getitem__(kl)
else:
return "-"
if k in self:
return super(SafeAtoms, self).__getitem__(k)
else:
return '-'
class Logger(object):
LOG_LEVELS = {
"critical": logging.CRITICAL,
"error": logging.ERROR,
"warning": logging.WARNING,
"info": logging.INFO,
"debug": logging.DEBUG
}
error_fmt = r"%(asctime)s [%(process)d] [%(levelname)s] %(message)s"
datefmt = r"%Y-%m-%d %H:%M:%S"
access_log_format = '"%(h)s %(l)s %(u)s [%(t)s] "%(r)s" %(s)s %(b)s "%(f)s" "%(a)s"'
access_fmt = "%(message)s"
def __init__(self, cfg=None):
self.error_log = logging.getLogger("meinheld.error")
self.access_log = logging.getLogger("meinheld.access")
self.error_handlers = []
self.access_handlers = []
self.setup(cfg)
def setup(self, cfg):
self.error_log.setLevel(logging.ERROR)
self.access_log.setLevel(logging.INFO)
self._set_handler(self.error_log, logging.Formatter(self.error_fmt, self.datefmt))
self._set_handler(self.access_log, fmt=logging.Formatter(self.access_fmt))
def critical(self, msg, *args, **kwargs):
self.error_log.critical(msg, *args, **kwargs)
def error(self, exc, val, tb):
from traceback import format_exception
msg = ''.join(format_exception(exc, val, tb))
self.error_log.error(msg)
def warning(self, msg, *args, **kwargs):
self.error_log.warning(msg, *args, **kwargs)
def info(self, msg, *args, **kwargs):
self.error_log.info(msg, *args, **kwargs)
def debug(self, msg, *args, **kwargs):
self.error_log.debug(msg, *args, **kwargs)
def exception(self, msg, *args):
self.error_log.exception(msg, *args)
def log(self, lvl, msg, *args, **kwargs):
if isinstance(lvl, basestring):
lvl = self.LOG_LEVELS.get(lvl.lower(), logging.INFO)
self.error_log.log(lvl, msg, *args, **kwargs)
def access(self, environ):
""" Seee http://httpd.apache.org/docs/2.0/logs.html#combined
for format details
"""
# status = resp.status.split(None, 1)[0]
atoms = {
'h': environ.get('REMOTE_ADDR', '-'),
'l': '-',
'u': '-', # would be cool to get username from basic auth header
't': environ.get('LOCAL_TIME', '-'),
'r': "%s %s %s" % (environ.get('REQUEST_METHOD', '-'), environ.get('PATH_INFO', '-'), environ.get('SERVER_PROTOCOL', 'HTTP/1.0')),
's': str(environ.get('STATUS_CODE', '-')),
'b': str(environ.get('SEND_BYTES', '-')),
'f': environ.get('HTTP_REFERER', '-'),
'a': environ.get('HTTP_USER_AGENT', '-'),
'T': str(environ.get('REQUEST_TIME', 1) /100),
'D': str(environ.get('REQUEST_TIME', 1)),
'p': "<%s>" % os.getpid()
}
# add request headers
for k, v in environ.items():
if k.startswith('HTTP_'):
#header
header = "{%s}i" % k[5:].lower()
atoms[header] = v
# atoms.update(dict([("{%s}i" % k.lower(),v) for k, v in req_headers]))
# # add response headers
# atoms.update(dict([("{%s}o" % k.lower(),v) for k, v in resp.headers]))
# # wrap atoms:
# # - make sure atoms will be test case insensitively
# # - if atom doesn't exist replace it by '-'
safe_atoms = SafeAtoms(atoms)
try:
# self.access_log.info(self.access_log_format % safe_atoms)
self.access_log.info(self.access_log_format % safe_atoms)
except:
self.error(*sys.exc_info())
def reopen_files(self):
for log in (self.error_log, self.access_log):
for handler in log.handlers:
if isinstance(handler, logging.FileHandler):
handler.acquire()
try:
if handler.stream:
handler.stream.close()
handler.stream = open(handler.baseFilename,
handler.mode)
finally:
handler.release()
def close_on_exec(self):
for log in (self.error_log, self.access_log):
for handler in log.handlers:
if isinstance(handler, logging.FileHandler):
handler.acquire()
try:
if handler.stream:
_close_on_exec(handler.stream.fileno())
finally:
handler.release()
def _get_handler(self, log):
for h in log.handlers:
if getattr(h, "_meinheld", False) == True:
return h
def _set_handler(self, log, fmt):
h = self._get_handler(log)
if h:
log.handlers.remove(h)
h = logging.StreamHandler()
h._meinheld = True
h.setFormatter(fmt)
log.addHandler(h)
def _error(self, exc, val, tb):
from traceback import format_exception
msg = ''.join(format_exception(exc, val, tb))
self.error_log.error(msg)
def _access(self, environ):
""" Seee http://httpd.apache.org/docs/2.0/logs.html#combined
for format details
"""
# status = resp.status.split(None, 1)[0]
atoms = {
'h': environ.get('REMOTE_ADDR', '-'),
'l': '-',
'u': '-', # would be cool to get username from basic auth header
't': "[%s]" % environ.get('LOCAL_TIME', '-'),
'r': "%s %s %s" % (environ.get('REQUEST_METHOD', '-'), environ.get('PATH_INFO', '-'), environ.get('SERVER_PROTOCOL', 'HTTP/1.0')),
's': str(environ.get('STATUS_CODE', '-')),
'b': str(environ.get('SEND_BYTES', '-')),
'f': environ.get('HTTP_REFERER', '-'),
'a': environ.get('HTTP_USER_AGENT', '-'),
'T': str(environ.get('REQUEST_TIME', 1) /100),
'D': str(environ.get('REQUEST_TIME', 1)),
'p': "<%s>" % os.getpid()
}
# add request headers
for k, v in environ.items():
if k.startswith('HTTP_'):
#header
header = "{%s}i" % k[5:].lower()
atoms[header] = v
# atoms.update(dict([("{%s}i" % k.lower(),v) for k, v in req_headers]))
# # add response headers
# atoms.update(dict([("{%s}o" % k.lower(),v) for k, v in resp.headers]))
# # wrap atoms:
# # - make sure atoms will be test case insensitively
# # - if atom doesn't exist replace it by '-'
safe_atoms = SafeAtoms(atoms)
try:
msg = self.cfg.access_log_format % safe_atoms
self.access_log.info(msg)
except:
self.error(*sys.exc_info())
logger = Logger()
from meinheld import server
server.set_access_logger(logger)
server.set_error_logger(logger)