The Python Journeyman
This book is 100% complete
Completed on 2019-01-09
About the Book
The Python Journeyman is the second book in our trilogy covering the core Python language. The material in these books is derived from Sixty North's popular and battle-tested training courses which have led thousands of programmers on a journey to being productive with Python.
Our books, which use Python 3, follow a spiral curriculum: We introduce topics gently and then revisit them on multiple occasions to add the depth required to support your progression as a Python developer. We've worked hard to structure the syllabus to avoid forward references. On only a few occasions do we require you to accept techniques on trust, before explaining them later; where we do, it's to deliberately establish good habits.
About the Authors
Bundles that include this book
Table of Contents
-
Preface
- Errata and Suggestions
- Conventions Used in This Book
- Welcome Journeyman!
-
Prerequisites
- A functioning Python 3 runtime
- Defining function, passing arguments, and returning values
- Creating, importing and executing modules
- Built-in types: Integers, Floats, Strings, Lists, Dictionaries and Sets
- Fundamentals of the Python object model
- Raising and handling exceptions
- Iterables and iterators
- Defining classes with methods
- Reading and writing text and binary files
- Unit testing, debugging and deployment
- Well begun is half done
-
Chapter 1 - Organizing Larger Programs
- Packages
- Implementing packages
- Relative imports
-
__all__ - Namespace packages
- Executable directories
- Executable packages
- Recommended layout
- Modules are singletons
- Summary
-
Chapter 2 - Beyond Basic Functions
- Review of Functions
- Functions as callable objects
-
Callable instances and the
__call__()method - Classes are Callable
- Leveraging callable classes
- Lambdas
- Detecting Callable Objects
- Extended Formal Parameter Syntax
- Extended Call Syntax
- Transposing Tables
- Summary
-
Chapter 3 - Closures and Decorators
- Local functions
- Closures and nested scopes
- Function decorators
- Validating arguments
- Summary
-
Chapter 4 - Properties and Class Methods
- Class attributes
- Static methods
- Class methods
- Named constructors
- Overriding static- and class-methods
- Properties
- Overriding properies
- The template method pattern
- Summary
-
Chapter 5 - Strings and Representations
- Two string representations
-
Strings for developers with
repr() -
Strings for clients with
str() - When are the representation used?
-
Precise control with
format() -
Leveraging
reprlibfor large strings -
The
ascii(),ord()andchr()built-in functions - Case study: String representations of tabular data
- Summary
-
Chapter 6 - Numeric and Scalar Types
- Python’s basic numeric types
- The limits of floats
- The decimal module
- The fractions module
- Complex Numbers
- Built-in functions relating to numbers
- Dates and times with the datetime module
- Case study: Rational numbers and computational geometry
- Summary
-
Chapter 7 - Iterables and Iteration
- Review of comprehensions
- Multi-input comprehensions
- Functional-style tools
-
map() -
filter() -
functools.reduce() - Combining functional concepts: map-reduce
- The iteration protocols
- Case study: an iterable and iterator for streamed sensor data
- Summary
-
Chapter 8 - Inheritance and Subtype Polymorphism
- Single inheritance
- Type inspection
- Multiple inheritance
- MRO: Method Resolution Order
-
super() -
object - Inheritance for Implementation Sharing
- Summary
- Appendix A - Python implementation of ISO6346
- Notes
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