def init_app(app, remove_existing_handlers=False):
# Create the filter and add it to the base application logger
context_provider = ContextualFilter()
app.logger.addFilter(context_provider)
# Optionally, remove Flask's default debug handler
if remove_existing_handlers:
del app.logger.handlers[:]
# Create a new handler for log messages
# that will send them to standard error
handler = StreamHandler()
# Add a formatter that makes use of our new contextual information
log_format = ("%(asctime)s\t%(levelname)s\t%(user_id)s\t"
"%(ip)s\t%(method)s\t%(url)s\t%(message)s")
formatter = Formatter(log_format)
handler.setFormatter(formatter)
# Finally, attach the handler to our logger
app.logger.addHandler(handler)
# Only set up a file handler if we know where to put the logs
if app.config.get("ERROR_LOG_PATH"):
# Create one file for each day. Delete logs over 7 days old.
file_handler = TimedRotatingFileHandler(app.config["ERROR_LOG_PATH"],
when="D",
backupCount=7)
# Use a multi-line format for this logger, for easier scanning
file_formatter = Formatter("""
Time: %(asctime)s
Level: %(levelname)s
Method: %(method)s
Path: %(url)s
IP: %(ip)s
User ID: %(user_id)s
Message: %(message)s
---------------------""")
# Filter out all log messages that are lower than Error.
file_handler.setLevel(ERROR)
file_handler.addFormatter(file_formatter)
app.logger.addHandler(file_handler)
def init_app(app, remove_existing_handlers=False):
# Create the filter and add it to the base application logger
context_provider = ContextualFilter()
app.logger.addFilter(context_provider)
# Optionally, remove Flask's default debug handler
if remove_existing_handlers:
del app.logger.handlers[:]
# Create a new handler for log messages
# that will send them to standard error
handler = StreamHandler()
# Add a formatter that makes use of our new contextual information
log_format = ("%(asctime)s\t%(levelname)s\t%(user_id)s\t"
"%(ip)s\t%(method)s\t%(url)s\t%(message)s")
formatter = Formatter(log_format)
handler.setFormatter(formatter)
# Finally, attach the handler to our logger
app.logger.addHandler(handler)
# Only set up a file handler if we know where to put the logs
if app.config.get("ERROR_LOG_PATH"):
# Create one file for each day. Delete logs over 7 days old.
file_handler = TimedRotatingFileHandler(app.config["ERROR_LOG_PATH"],
when="D", backupCount=7)
# Use a multi-line format for this logger, for easier scanning
file_formatter = Formatter("""
Time: %(asctime)s
Level: %(levelname)s
Method: %(method)s
Path: %(url)s
IP: %(ip)s
User ID: %(user_id)s
Message: %(message)s
---------------------""")
# Filter out all log messages that are lower than Error.
file_handler.setLevel(ERROR)
file_handler.addFormatter(file_formatter)
app.logger.addHandler(file_handler)
from logging import ERROR
from logging.handlers import TimedRotatingFileHandler
# Only set up a file handler if we know where to put the logs
if app.config.get("ERROR_LOG_PATH"):
# Create one file for each day. Delete logs over 7 days old.
file_handler = TimedRotatingFileHandler(
app.config["ERROR_LOG_PATH"],
when="D",
backupCount=7
)
# Use a multi-line format for this logger, for easier scanning
file_formatter = logging.Formatter('''
Time: %(asctime)s
Level: %(levelname)s
Method: %(method)s
Path: %(url)s
IP: %(ip)s
User ID: %(user_id)s
Message: %(message)s
---------------------''')
# Filter out all log messages that are lower than Error.
file_handler.setLevel(ERROR)
file_handler.addFormatter(file_formatter)
app.logger.addHandler(file_handler)
