def injectLogger(use_syslog = True, log_file = None, verbose = False,
capture_output = True,
twisted_error_log_level = ERROR,
twisted_info_log_level = INFO):
logger = logging.getLogger('')
formatter = BTLFormatter("%(asctime)s - %(name)s - %(process)d - "
"%(levelname)s - %(message)s")
if log_file is not None:
lf_handler = logging.handlers.RotatingFileHandler(filename=log_file,
mode='a',
maxBytes=2**27,
backupCount=10)
lf_handler.setFormatter(formatter)
logger.setLevel(logging.DEBUG)
logger.addHandler(lf_handler)
if use_syslog:
SysLogHandler = logging.handlers.SysLogHandler
sl_handler = SysLogHandler('/dev/log',
facility=SysLogHandler.LOG_LOCAL0)
#address = (SYSLOG_HOST, SYSLOG_PORT))
# namespace - pid - level - message
sl_handler.setFormatter(BTLFormatter("%(name)s - %(process)d - "
"%(levelname)s - %(message)s"))
logger.setLevel(logging.DEBUG)
logger.addHandler(sl_handler)
if verbose:
so_handler = logging.StreamHandler(sys.stdout)
so_handler.setFormatter(formatter)
logger.setLevel(logging.DEBUG)
logger.addHandler(so_handler)
twisted_logger.start(capture_output = capture_output,
error_log_level = twisted_error_log_level,
info_log_level = twisted_info_log_level)
def injectLogger(use_syslog=True,
log_file=None,
verbose=False,
capture_output=True,
twisted_error_log_level=ERROR,
twisted_info_log_level=INFO,
capture_stderr_log_level=ERROR,
capture_stdout_log_level=INFO,
capture_stderr_name='stderr',
capture_stdout_name='stdout',
log_level=DEBUG,
log_twisted=True):
"""
Installs logging.
@param use_syslog: log to syslog. use_syslog, log_file, and verbose are not
mutually exclusive.
@param log_file: log to a file.
@param verbose: output logs to stdout. Setting verbose and capture_output
to this function does NOT result in an infinite loop.
@param capture_output: redirects stdout and stderr to the logger. Be careful. This can
create infinite loops with loggers that
output to stdout or stderr.
@param twisted_error_log_level: log level for errors reported
by twisted.
@param twisted_info_log_level: log level for non-errors reported by twisted.
If capture_output is set then this is also the log
level for anything output to stdout or stderr.
@param log_level: only log events that have level >= passed level
are logged. This is achieved by setting the log level in
each of the installed handlers.
@param capture_stderr_log_level: log level for output captured from stdout.
@param capture_stdout_log_level: log level for output captured from stderr.
@param capture_stderr_name: log name used for stderr. 'name'
refers to the name arg passed to logging.getLogger(name).
@param capture_stdout_name: log name used for stdout. Analogous to capture_stderr_name.
"""
logger = logging.getLogger('')
logger.setLevel(
DEBUG) # we use log handler levels to control output level.
formatter = BTLFormatter("%(asctime)s - %(name)s - %(process)d - "
"%(levelname)s - %(message)s")
if log_file is not None:
lf_handler = logging.handlers.RotatingFileHandler(filename=log_file,
mode='a',
maxBytes=2**27,
backupCount=10)
lf_handler.setFormatter(formatter)
lf_handler.setLevel(log_level)
logger.addHandler(lf_handler)
if use_syslog:
sl_handler = SysLogHandler('/dev/log',
facility=SysLogHandler.LOG_LOCAL0)
#address = (SYSLOG_HOST, SYSLOG_PORT))
# namespace - pid - level - message
sl_handler.setFormatter(
BTLFormatter("%(name)s - %(process)d - "
"%(levelname)s - %(message)s"))
sl_handler.setLevel(log_level)
logger.addHandler(sl_handler)
if verbose:
# StreamHandler does not capture stdout, it directs output from
# loggers to stdout.
so_handler = logging.StreamHandler(sys.stdout)
so_handler.setFormatter(formatter)
so_handler.setLevel(log_level)
logger.addHandler(so_handler)
if capture_output:
sys.stdout = StdioPretender(capture_stdout_name,
capture_stdout_log_level)
sys.stderr = StdioPretender(capture_stderr_name,
capture_stderr_log_level)
if log_twisted:
twisted_logger.start(error_log_level=twisted_error_log_level,
info_log_level=twisted_info_log_level)
def injectLogger(use_syslog = True, log_file = None, verbose = False,
capture_output = True,
twisted_error_log_level = ERROR,
twisted_info_log_level = INFO,
capture_stderr_log_level = ERROR,
capture_stdout_log_level = INFO,
capture_stderr_name = 'stderr',
capture_stdout_name = 'stdout',
log_level = DEBUG,
log_twisted = True ):
"""
Installs logging.
@param use_syslog: log to syslog. use_syslog, log_file, and verbose are not
mutually exclusive.
@param log_file: log to a file.
@param verbose: output logs to stdout. Setting verbose and capture_output
to this function does NOT result in an infinite loop.
@param capture_output: redirects stdout and stderr to the logger. Be careful. This can
create infinite loops with loggers that
output to stdout or stderr.
@param twisted_error_log_level: log level for errors reported
by twisted.
@param twisted_info_log_level: log level for non-errors reported by twisted.
If capture_output is set then this is also the log
level for anything output to stdout or stderr.
@param log_level: only log events that have level >= passed level
are logged. This is achieved by setting the log level in
each of the installed handlers.
@param capture_stderr_log_level: log level for output captured from stdout.
@param capture_stdout_log_level: log level for output captured from stderr.
@param capture_stderr_name: log name used for stderr. 'name'
refers to the name arg passed to logging.getLogger(name).
@param capture_stdout_name: log name used for stdout. Analogous to capture_stderr_name.
"""
logger = logging.getLogger('')
logger.setLevel(DEBUG) # we use log handler levels to control output level.
formatter = BTLFormatter("%(asctime)s - %(name)s - %(process)d - "
"%(levelname)s - %(message)s")
if log_file is not None:
lf_handler = logging.handlers.RotatingFileHandler(filename=log_file,
mode='a',
maxBytes=2**27,
backupCount=10)
lf_handler.setFormatter(formatter)
lf_handler.setLevel(log_level)
logger.addHandler(lf_handler)
if use_syslog:
sl_handler = SysLogHandler('/dev/log',
facility=SysLogHandler.LOG_LOCAL0)
#address = (SYSLOG_HOST, SYSLOG_PORT))
# namespace - pid - level - message
sl_handler.setFormatter(BTLFormatter("%(name)s - %(process)d - "
"%(levelname)s - %(message)s"))
sl_handler.setLevel(log_level)
logger.addHandler(sl_handler)
if verbose:
# StreamHandler does not capture stdout, it directs output from
# loggers to stdout.
so_handler = logging.StreamHandler(sys.stdout)
so_handler.setFormatter(formatter)
so_handler.setLevel(log_level)
logger.addHandler(so_handler)
if capture_output:
sys.stdout = StdioPretender( capture_stdout_name, capture_stdout_log_level )
sys.stderr = StdioPretender( capture_stderr_name, capture_stderr_log_level )
if log_twisted:
twisted_logger.start(error_log_level = twisted_error_log_level,
info_log_level = twisted_info_log_level)
