From 9efe6c2447a3767187d40c725e4d1065600b47e5 Mon Sep 17 00:00:00 2001 From: Abhiranjan Kumar <2400030581@kluniversity.in> Date: Mon, 3 Nov 2025 12:53:22 +0530 Subject: [PATCH 1/2] added default return value in get_localizer to prevent KeyError --- patterns/creational/factory.py | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/patterns/creational/factory.py b/patterns/creational/factory.py index e5372ca5..f75bb2b2 100644 --- a/patterns/creational/factory.py +++ b/patterns/creational/factory.py @@ -54,7 +54,8 @@ def get_localizer(language: str = "English") -> Localizer: "Greek": GreekLocalizer, } - return localizers[language]() + return localizers.get(language, EnglishLocalizer)() + def main(): From 8c63fd0d8971c5ee9960a6a634f32348fb1f20d7 Mon Sep 17 00:00:00 2001 From: Abhiranjan Kumar <2400030581@kluniversity.in> Date: Mon, 3 Nov 2025 12:58:07 +0530 Subject: [PATCH 2/2] cleaned up docstring formatting and removed unnecessary asterisks --- patterns/creational/builder.py | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) diff --git a/patterns/creational/builder.py b/patterns/creational/builder.py index 22383923..16af2295 100644 --- a/patterns/creational/builder.py +++ b/patterns/creational/builder.py @@ -1,13 +1,12 @@ """ -*What is this pattern about? +What is this pattern about? It decouples the creation of a complex object and its representation, so that the same process can be reused to build objects from the same family. This is useful when you must separate the specification of an object from its actual representation (generally for abstraction). -*What does this example do? - +What does this example do? The first example achieves this by using an abstract base class for a building, where the initializer (__init__ method) specifies the steps needed, and the concrete subclasses implement these steps. @@ -22,16 +21,15 @@ class for a building, where the initializer (__init__ method) specifies the In general, in Python this won't be necessary, but a second example showing this kind of arrangement is also included. -*Where is the pattern used practically? - -*References: -https://sourcemaking.com/design_patterns/builder +Where is the pattern used practically? +See: https://sourcemaking.com/design_patterns/builder -*TL;DR +TL;DR Decouples the creation of a complex object and its representation. """ + # Abstract Building class Building: def __init__(self) -> None: