miguel angel torres egea https://miguelangel.torresegea.es/wiki/ 2026-05-23T16:42:23+00:00 miguel angel torres egea https://miguelangel.torresegea.es/wiki/ https://miguelangel.torresegea.es/wiki/_media/wiki:dokuwiki-128.png text/html 2023-11-05T20:34:25+00:00 Anonymous (anonymous@undisclosed.example.com) 3.1 Advanced techniques of creating and serving exceptions https://miguelangel.torresegea.es/wiki/info:cursos:pue:python-pcpp1:m1:3.1?rev=1699216465&do=diff 3.1 Advanced techniques of creating and serving exceptions In this module, we'll talk about Python exceptions – objects that represent errors which occur during the execution of a program that disrupts the normal flow of the program's instructions. text/html 2023-11-05T20:33:07+00:00 Anonymous (anonymous@undisclosed.example.com) 2.4 Decorators https://miguelangel.torresegea.es/wiki/info:cursos:pue:python-pcpp1:m1:2.4?rev=1699216387&do=diff 2.4 Decorators A decorator is one of the design patterns that describes the structure of related objects. Python is able to decorate functions, methods, and classes. The decorator's operation is based on wrapping the original function with a new « text/html 2023-11-05T20:34:35+00:00 Anonymous (anonymous@undisclosed.example.com) 4.1 Shallow and deep copy operations https://miguelangel.torresegea.es/wiki/info:cursos:pue:python-pcpp1:m1:4.1?rev=1699216475&do=diff 4.1 Shallow and deep copy operations Copying objects using shallow and deep operations In this module, you’ll learn how to copy Python objects. Specifically, you'll learn about: * object: label vs. identity vs. value; * the id() function and the is operand; text/html 2023-11-06T09:03:06+00:00 Anonymous (anonymous@undisclosed.example.com) 5.1 Metaprogramming https://miguelangel.torresegea.es/wiki/info:cursos:pue:python-pcpp1:m1:5.1?rev=1699261386&do=diff 5.1 Metaprogramming Introduction to metaclasses Metaprogramming is a programming technique in which computer programs have the ability to modify their own or other programs’ codes. It may sound like an idea from a science fiction story, but the idea was born and implemented in the early 1960s. text/html 2023-11-05T20:34:56+00:00 Anonymous (anonymous@undisclosed.example.com) 4.2 Serialization of Python objects using the pickle module https://miguelangel.torresegea.es/wiki/info:cursos:pue:python-pcpp1:m1:4.2?rev=1699216496&do=diff 4.2 Serialization of Python objects using the pickle module In this section, you will learn how to persist Python objects for later use. Pickling is the process of preserving or extending the lifespan of food. The resulting food is called a pickle, and to prevent ambiguity, prefaced with the 'pickled' adjective. text/html 2023-11-05T20:32:38+00:00 Anonymous (anonymous@undisclosed.example.com) 2.2 Inheritance and polymorphism — Inheritance as a pillar of OOP https://miguelangel.torresegea.es/wiki/info:cursos:pue:python-pcpp1:m1:2.2?rev=1699216358&do=diff 2.2 Inheritance and polymorphism — Inheritance as a pillar of OOP Inheritance is one of the fundamental concepts of object oriented programming, and expresses the fundamental relationships between classes: superclasses (parents) and their subclasses (descendants). Inheritance creates a class hierarchy. Any object bound to a specific level of class hierarchy inherits all the traits (methods and attributes) defined inside any of the superclasses. text/html 2023-11-05T20:34:13+00:00 Anonymous (anonymous@undisclosed.example.com) 2.9 Inheriting properties from built-in classes https://miguelangel.torresegea.es/wiki/info:cursos:pue:python-pcpp1:m1:2.9?rev=1699216453&do=diff 2.9 Inheriting properties from built-in classes Python gives you the ability to create a class that inherits properties from any Python built-in class in order to get a new class that can enrich the parent's attributes or methods. As a result, your newly-created class has the advantage of all of the well-known functionalities inherited from its parent or even parents and you can still access those attributes and methods. text/html 2023-11-05T20:32:04+00:00 Anonymous (anonymous@undisclosed.example.com) 1.2 Working with class and instance data – instance variables https://miguelangel.torresegea.es/wiki/info:cursos:pue:python-pcpp1:m1:1.2?rev=1699216324&do=diff 1.2 Working with class and instance data – instance variables Instance variables This kind of variable exists when and only when it is explicitly created and added to an object. This can be done during the object's initialization, performed by the text/html 2023-11-05T20:33:26+00:00 Anonymous (anonymous@undisclosed.example.com) 2.5 Different faces of Python methods https://miguelangel.torresegea.es/wiki/info:cursos:pue:python-pcpp1:m1:2.5?rev=1699216406&do=diff 2.5 Different faces of Python methods Until now, we’ve been implementing methods that have performed operations on the instances (objects), and in particular the attributes of the instance, so we’ve called them instance methods. The instance methods, as the first parameter, take the text/html 2023-11-05T20:32:53+00:00 Anonymous (anonymous@undisclosed.example.com) 2.3 Extended function argument syntax https://miguelangel.torresegea.es/wiki/info:cursos:pue:python-pcpp1:m1:2.3?rev=1699216373&do=diff 2.3 Extended function argument syntax When we talk about function arguments, we should recall the following facts: * some functions can be invoked without arguments; * functions may require a specific number of arguments with no exclusions; we have to pass a required number of arguments in an imposed order to follow function definition; text/html 2023-11-05T20:33:38+00:00 Anonymous (anonymous@undisclosed.example.com) 2.6 Abstract classes https://miguelangel.torresegea.es/wiki/info:cursos:pue:python-pcpp1:m1:2.6?rev=1699216418&do=diff 2.6 Abstract classes Python is considered to be a very flexible programming language, but that doesn’t mean that there are no controls to impose a set of functionalities or an order in a class hierarchy. When you develop a system in a group of programmers, it would be useful to have some means of establishing requirements for classes in matters of interfaces (methods) exposed by each class. text/html 2023-11-05T20:32:21+00:00 Anonymous (anonymous@undisclosed.example.com) 2.1 Python core syntax https://miguelangel.torresegea.es/wiki/info:cursos:pue:python-pcpp1:m1:2.1?rev=1699216341&do=diff 2.1 Python core syntax So far we have been using Python core operations that allow us to operate on strings, lists, integers, and floats. It’s natural for us to formulate expressions using algebraic symbols representing operators, or to get a number of elements in a sequence or dictionary. text/html 2023-11-05T20:31:42+00:00 Anonymous (anonymous@undisclosed.example.com) 1.1 Classes, Instances, Attributes, Methods — introduction https://miguelangel.torresegea.es/wiki/info:cursos:pue:python-pcpp1:m1:1.1?rev=1699216302&do=diff 1.1 Classes, Instances, Attributes, Methods — introduction Introduction to Object-Oriented Programming This module addresses the advanced Object Oriented Programming (OOP) issues that are at the heart of Python programming. The object-oriented approach is an evolution of good design practices that go back to the very beginning of computer programming. text/html 2023-11-05T20:33:49+00:00 Anonymous (anonymous@undisclosed.example.com) 2.7 Encapsulation https://miguelangel.torresegea.es/wiki/info:cursos:pue:python-pcpp1:m1:2.7?rev=1699216429&do=diff 2.7 Encapsulation Attribute encapsulation Encapsulation is one of the fundamental concepts in object-oriented programming (amongst inheritance, polymorphism, and abstraction). It describes the idea of bundling attributes and methods that work on those attributes within a class. text/html 2023-11-05T20:34:02+00:00 Anonymous (anonymous@undisclosed.example.com) 2.8 Composition vs Inheritance - two ways to the same destination https://miguelangel.torresegea.es/wiki/info:cursos:pue:python-pcpp1:m1:2.8?rev=1699216442&do=diff 2.8 Composition vs Inheritance - two ways to the same destination So far we've been using and following the inheritance concept when modeling our classes to represent real-life issues. Inheritance is a great concept, one of the most important foundations of object-oriented programming that models a tight relation between two classes: the base class and the derived class, called a subclass. text/html 2023-11-05T20:35:05+00:00 Anonymous (anonymous@undisclosed.example.com) 4.3 Making Python objects persistent using the shelve module https://miguelangel.torresegea.es/wiki/info:cursos:pue:python-pcpp1:m1:4.3?rev=1699216505&do=diff 4.3 Making Python objects persistent using the shelve module Serialization of Python objects using the shelve module As you remember, the pickle module is used for serializing objects as a single byte stream. Both serializing and deserializing parties must abide by the order of all the elements placed into a file or database, or sent via a network.