Logging configuration in Flask - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to import the logging module in a Flask app.

Flask

import [1]

Drag options to blanks, or click blank then click option'

Asys

Bflask

Cos

Dlogging

Attempts:

3 left

💡 Hint

Common Mistakes

Importing 'sys' instead of 'logging'.

Importing 'os' which is unrelated to logging.

Importing 'flask' instead of the logging module.

The logging module is used to configure logging in Python applications, including Flask.

2fill in blank

medium

Complete the code to set the logging level to DEBUG in a Flask app.

Flask

logging.basicConfig(level=[1])

Drag options to blanks, or click blank then click option'

Alogging.DEBUG

Blogging.WARNING

Clogging.ERROR

Dlogging.INFO

Attempts:

3 left

💡 Hint

Common Mistakes

Using logging.ERROR which only shows errors.

Using logging.WARNING which misses debug info.

Using logging.INFO which is less detailed than DEBUG.

Setting the level to logging.DEBUG enables detailed debug messages in the logs.

3fill in blank

hard

Fix the error in the code to get the Flask app logger and set its level to INFO.

Flask

app_logger = app.[1]
app_logger.setLevel(logging.INFO)

Drag options to blanks, or click blank then click option'

Alog

Blogger

Clogging

Dloglevel

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'log' which does not exist on the app object.

Using 'logging' which is the module, not the attribute.

Using 'loglevel' which is not a valid attribute.

The Flask app's logger is accessed via app.logger.

4fill in blank

hard

Fill both blanks to configure a file handler for logging to 'app.log' with level WARNING.

Flask

file_handler = logging.FileHandler('[1]')
file_handler.setLevel(logging.[2])

Drag options to blanks, or click blank then click option'

Aapp.log

Berror.log

CWARNING

DDEBUG

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'error.log' instead of 'app.log'.

Setting level to 'DEBUG' which is too verbose for this handler.

The file handler writes logs to 'app.log' and is set to capture warnings and above.

5fill in blank

hard

Fill all three blanks to add the file handler to the Flask app logger and set a formatter.

Flask

formatter = logging.Formatter('[1]')
file_handler.setFormatter(formatter)
app.logger.[2](file_handler)

Drag options to blanks, or click blank then click option'

A%(asctime)s - %(levelname)s - %(message)s

BaddHandler

Cadd_handler

DsetHandler

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'add_handler' or 'setHandler' which are incorrect method names.

Using a wrong format string that misses key log info.

The formatter defines the log message format. The file handler is added to the app logger using addHandler.