Python

• General
• Generators
  • What’s a Generator
  • Generator base class (without type hints)
  • Purpose of close, send and throw
    • Send
    • Close
    • Throw
  • Generator Type
  • __del__
• Iterators
  • From Generators to Iterators
  • What’s an Iterator
  • Iterator base class
  • For Loop
  • Call Flow
  • Links
• Yield From
  • Chaining Iterators
  • Chaining Generators
  • Additional Semantics
  • Links
• Iterable
  • What’s an Iterable
  • Iterable base class (without type hints)
  • for … in loop
  • Links
• Context Managers
  • Context Manager Protocol
  • The With Statement
  • Implementing a Context Manager using contextlib
  • Call Flow
  • Example Context Managers
    • Example 1 - Redirect Stdout
    • Example 2 - Suppress Exceptions
    • Example 3 - Add a directory to the Python module search path
    • Example 4 - Print Prefix
  • Links
• AsyncIO - Introduction
  • What is AsyncIO
  • Background
    • C10K
    • Parallelism vs. Concurrency
• AsyncIO - Implementing AsyncIO
  • Rewind: Coroutines
  • Overview
    • Step 1 - Coroutine Concept
    • Step 2 - Multiple Coroutines
    • Step 3 - Adding yield from
    • Step 4 - A Loop is running
    • Step 5 - A runnable Example
    • Step 6 - The Intermediate Function Issue
    • Step 7 - The Future
    • Step 8 - Extend the Loop
    • Step 9 - A Job has to be done
    • Step 10 - Scheduling all the time
    • Step 11 - Schedule Callbacks
    • Step 12 - Back to the Future
    • Step 13 - Deduplicate Running Coroutines
    • Step 14 - Let’s wait
    • Step 15 - And what about real Async IO?
    • Step 16 - Cancellation
    • What’s missing?
    • The Coroutine/Generator Issue
• AsyncIO - Implementation in CPython
  • AsyncIO - Generator Based (Python < 3.5)
  • AsyncIO - Async/Await (Python >= 3.5 < 3.7)
  • AsyncIO - Async/Await (Python >= 3.7)
  • Awaitable Protocol
  • Async/Await
  • Support for async/await in our own Implementation
  • Async Iterators
    • AsyncIterable
    • AsyncIterator
    • async for
  • Async Generators
    • AsyncGenerator
    • Async Generator Function
    • Issues
  • Async Context Manager
    • AsyncContextManager
    • async with
  • The Coroutine/Generator Issue
  • Issues with asyncio
    • Structured Concurrency
    • asyncio is not the only async library
    • Coloured Functions
  • Examples using asyncio
    • Mastodon
  • Gotchas with asyncio
    • RuntimeWarning: coroutine ‘xyz’ was never awaited
  • History
    • Python 3.3
    • Python 3.4
    • Python 3.5
    • Python 3.6
    • Python 3.7
    • Python 3.8
    • Python 3.9
    • Python 3.10
    • Python 3.11
  • Links