(handler, log=access_log, log_json=False)
log a bit more information about each request than tornado's default
    
    - move static file get success to debug-level (reduces noise)
    - get proxied IP instead of proxy IP
    - log referer for redirect and failed requests
    - log user-agent for failed requests
log a bit more information about each request than tornado's default
    
    - move static file get success to debug-level (reduces noise)
    - get proxied IP instead of proxy IP
    - log referer for redirect and failed requests
    - log user-agent for failed requests
log a bit more information about each request than tornado s default - move static file get success to debug - level ( reduces noise ) - get proxied IP instead of proxy IP - log referer for redirect and failed requests - log user - agent for failed requests
def log_request(handler, log=access_log, log_json=False):
    """log a bit more information about each request than tornado's default
    
    - move static file get success to debug-level (reduces noise)
    - get proxied IP instead of proxy IP
    - log referer for redirect and failed requests
    - log user-agent for failed requests
    """
    status = handler.get_status()
    request = handler.request
    if status < 300 or status == 304:
        # Successes (or 304 FOUND) are debug-level
        log_method = log.debug
    elif status < 400:
        log_method = log.info
    elif status < 500:
        log_method = log.warning
    else:
        log_method = log.error
    
    request_time = 1000.0 * request.request_time()
    ns = dict(
        status=status,
        method=request.method,
        ip=request.remote_ip,
        uri=request.uri,
        request_time=float('%.2f' % request_time),
    )
    msg = "{status} {method} {uri} ({ip}) {request_time:f}ms"
    if status >= 400:
        # log bad referers
        ns['referer'] = request.headers.get('Referer', 'None')
        msg = msg + ' referer={referer}'
    if status >= 500 and status != 502:
        # log all headers if it caused an error
        if log_json:
            log_method("", extra=dict(props=dict(request.headers)))
        else:
            log_method(json.dumps(dict(request.headers), indent=2))
    if log_json:
        log_method("", extra=dict(props=ns))
    else:
        log_method(msg.format(**ns))
    prometheus_log_method(handler)
def log_request ( handler , log = access_log , log_json = False ) : status = handler . get_status ( ) request = handler . request if status < 300 or status == 304 : # Successes (or 304 FOUND) are debug-level log_method = log . debug elif status < 400 : log_method = log . info elif status < 500 : log_method = log . warning else : log_method = log . error request_time = 1000.0 * request . request_time ( ) ns = dict ( status = status , method = request . method , ip = request . remote_ip , uri = request . uri , request_time = float ( '%.2f' % request_time ) , ) msg = "{status} {method} {uri} ({ip}) {request_time:f}ms" if status >= 400 : # log bad referers ns [ 'referer' ] = request . headers . get ( 'Referer' , 'None' ) msg = msg + ' referer={referer}' if status >= 500 and status != 502 : # log all headers if it caused an error if log_json : log_method ( "" , extra = dict ( props = dict ( request . headers ) ) ) else : log_method ( json . dumps ( dict ( request . headers ) , indent = 2 ) ) if log_json : log_method ( "" , extra = dict ( props = ns ) ) else : log_method ( msg . format ( * * ns ) ) prometheus_log_method ( handler )