def __init__(self, logger_object=None, resolver=None):
if logger_object is None:
# logger_object is an IMessageLogger
logger_object = PythonLogger('accesslog')
# self.output is an IRequestLogger
if resolver is not None:
self.output = ResolvingLogger(resolver, logger_object)
else:
self.output = UnresolvingLogger(logger_object)
class CommonAccessLogger(object):
"""Outputs accesses in common HTTP log format.
"""
def __init__(self, logger_object=None, resolver=None):
if logger_object is None:
# logger_object is an IMessageLogger
logger_object = PythonLogger('accesslog')
# self.output is an IRequestLogger
if resolver is not None:
self.output = ResolvingLogger(resolver, logger_object)
else:
self.output = UnresolvingLogger(logger_object)
def compute_timezone_for_log(self, tz):
if tz > 0:
neg = 1
else:
neg = 0
tz = -tz
h, rem = divmod (tz, 3600)
m, rem = divmod (rem, 60)
if neg:
return '-%02d%02d' % (h, m)
else:
return '+%02d%02d' % (h, m)
tz_for_log = None
tz_for_log_alt = None
def log_date_string(self, when):
logtime = time.localtime(when)
Y, M, D, h, m, s = logtime[:6]
if not time.daylight:
tz = self.tz_for_log
if tz is None:
tz = self.compute_timezone_for_log(time.timezone)
self.tz_for_log = tz
else:
tz = self.tz_for_log_alt
if tz is None:
tz = self.compute_timezone_for_log(time.altzone)
self.tz_for_log_alt = tz
return '%d/%s/%02d:%02d:%02d:%02d %s' % (
D, monthname[M], Y, h, m, s, tz)
def log(self, task):
"""Receives a completed task and logs it in the common log format."""
now = time.time()
request_data = task.request_data
req_headers = request_data.headers
user_name = task.auth_user_name or 'anonymous'
user_agent = req_headers.get('USER_AGENT', '')
referer = req_headers.get('REFERER', '')
self.output.logRequest(
task.channel.addr[0],
' - %s [%s] "%s" %s %d "%s" "%s"\n' % (
user_name,
self.log_date_string(now),
request_data.first_line,
task.status,
task.bytes_written,
referer,
user_agent
)
)
