Idiomatic Python

What you will be able to do

• Write generators, decorators and context managers
• Add type hints and check them
• Package code into importable modules

What you will learn

1. 12.1Iterators & Generators4 lessons

   Process data one item at a time. The iterator protocol, Generator functions and expressions, yield from, itertools essentials.

   1. The Iterator Protocol: iter() and next()20 min
   2. Generator Functions and Expressions22 min
   3. yield from and itertools Essentials24 min
   4. Iterators and Generators Checkpoint25 min
2. 12.2Decorators & Closures4 lessons

   Add behaviour without changing a function. Closures, Writing decorators, functools.wraps and lru_cache, Decorators with arguments.

   1. Closures and Captured Variables20 min
   2. Writing Decorators with functools.wraps22 min
   3. Decorators with Arguments and lru_cache24 min
   4. Decorators and Closures Checkpoint25 min
3. 12.3Context Managers4 lessons

   Set up and clean up safely. The with statement, __enter__ and __exit__, contextlib.

   1. The with Statement and Resource Cleanup18 min
   2. Writing Context Managers with __enter__ and __exit__22 min
   3. contextlib: @contextmanager and Helpers22 min
   4. Context Managers Checkpoint25 min
4. 12.4Type Hints5 lessons

   Make code easier to read and check. Annotating functions and classes, Optional, Union and generics, Protocols, Checking with mypy.

   1. Annotating Functions and Classes15 min
   2. Optional, Union and Generic Types18 min
   3. Protocols and Structural Typing18 min
   4. Checking Code with mypy20 min
   5. Type Hints Checkpoint25 min
5. 12.5Packages & Dependencies5 lessons

   Organise and share your code. Packages and __init__.py, pyproject.toml, Dependency management, Publishing basics.

   1. Packages and __init__.py18 min
   2. pyproject.toml Explained18 min
   3. Managing Dependencies with pip and Lock Files20 min
   4. Building and Publishing a Package18 min
   5. Packages and Dependencies Checkpoint25 min