put in place a parent class (called BaseModel) to take care of the initialization, serialization and deserialization of your future instances
create a simple flow of serialization/deserialization: Instance <-> Dictionary <-> JSON string <-> file
create all classes used for AirBnB (User, State, City, Place…) that inherit from BaseModel
create the first abstracted storage engine of the project: File storage.
create all unittests to validate all our classes and storage engine

Create a new object (ex: a new User or a new Place)
Retrieve an object from a file, a database etc…
Do operations on objects (count, compute stats, etc…)
Update attributes of an object
Destroy an object

<a href="/rltoken/8ecCwE6veBmm3Nppw4hz5A" title="cmd module" target="_blank">cmd module</a>
<a href="/rltoken/uEy4RftSdKypoig9NFTvCg" title="cmd module in depth" target="_blank">cmd module in depth</a>
packages concept page
<a href="/rltoken/KfL9TqwdI69W6ttG6gTPPQ" title="uuid module" target="_blank">uuid module</a>
<a href="/rltoken/1d8I3jSKgnYAtA1IZfEDpA" title="datetime" target="_blank">datetime</a>
<a href="/rltoken/IlFiMB8UmqBG2CxA0AD3jA" title="unittest module" target="_blank">unittest module</a>
<a href="/rltoken/C_a0EKbtvKdMcwIAuSIZng" title="args/kwargs" target="_blank">args/kwargs</a>
<a href="/rltoken/tgNVrKKzlWgS4dfl3mQklw" title="Python test cheatsheet" target="_blank">Python test cheatsheet</a>
<a href="/rltoken/EvcaH9uTLlauxuw03WnkOQ" title="cmd module wiki page" target="_blank">cmd module wiki page</a>
<a href="/rltoken/begh14KQA-3ov29KvD_HvA" title="python unittest" target="_blank">python unittest</a>

How to create a Python package
How to create a command interpreter in Python using the cmd module
What is Unit testing and how to implement it in a large project
How to serialize and deserialize a Class
How to write and read a JSON file
How to manage datetime
What is an UUID
What is *args and how to use it
What is **kwargs and how to use it
How to handle named arguments in a function

Allowed editors: vi, vim, emacs
All your files will be interpreted/compiled on Ubuntu 20.04 LTS using python3 (version 3.8.5)
All your files should end with a new line
The first line of all your files should be exactly #!/usr/bin/python3
A README.md file, at the root of the folder of the project, is mandatory
Your code should use the pycodestyle (version 2.8.*)
All your files must be executable
The length of your files will be tested using wc
All your modules should have a documentation (python3 -c 'print(__import__("my_module").__doc__)')
All your classes should have a documentation (python3 -c 'print(__import__("my_module").MyClass.__doc__)')
All your functions (inside and outside a class) should have a documentation (python3 -c 'print(__import__("my_module").my_function.__doc__)' and python3 -c 'print(__import__("my_module").MyClass.my_function.__doc__)')
A documentation is not a simple word, it’s a real sentence explaining what’s the purpose of the module, class or method (the length of it will be verified)

Allowed editors: vi, vim, emacs
All your files should end with a new line
All your test files should be inside a folder tests
You have to use the unittest module
All your test files should be python files (extension: .py)
All your test files and folders should start by test_
Your file organization in the tests folder should be the same as your project
e.g., For models/base_model.py, unit tests must be in: tests/test_models/test_base_model.py
e.g., For models/user.py, unit tests must be in: tests/test_models/test_user.py
All your tests should be executed by using this command: python3 -m unittest discover tests
You can also test file by file by using this command: python3 -m unittest tests/test_models/test_base_model.py
All your modules should have a documentation (python3 -c 'print(__import__("my_module").__doc__)')
All your classes should have a documentation (python3 -c 'print(__import__("my_module").MyClass.__doc__)')
All your functions (inside and outside a class) should have a documentation (python3 -c 'print(__import__("my_module").my_function.__doc__)' and python3 -c 'print(__import__("my_module").MyClass.my_function.__doc__)')
We strongly encourage you to work together on test cases, so that you don’t miss any edge case