Currency Converter Improved

[Y4shu]

Pull Request for PyVerse 💡

Requesting to submit a pull request to the PyVerse repository.

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Issue Title

Please enter the title of the issue related to your pull request.
Currency Converter: Issue #1310

• [x] I have provided the issue title.

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Info about the Related Issue

What's the goal of the project?
The goal was to create a simple and easy to use Currency Converter with a basic GUI which can toggle between Light Mode and Dark Mode.

• [x] I have described the aim of the project.

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Name

Please mention your name.
Yashasvi

• [x] I have provided my name.

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GitHub ID

Please mention your GitHub ID.
Y4shu

• [x] I have provided my GitHub ID.

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Email ID

Please mention your email ID for further communication.
[email protected]

• [x] I have provided my email ID.

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Identify Yourself

Mention in which program you are contributing (e.g., WoB, GSSOC, SSOC, SWOC).
SSoC

• [x] I have mentioned my participant role.

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Closes

Enter the issue number that will be closed through this PR.
*Closes: #1310 *

• [x] I have provided the issue number.

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Describe the Add-ons or Changes You've Made

Give a clear description of what you have added or modified.
So earlier there was imperfect error handling and it was vulnerable to address like 4xx etc. So I have tried to improve that and this time I have also used an API Key to have more clearly working.

• [x] I have described my changes.

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Type of Change

Select the type of change:

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [x] Code style update (formatting, local variables)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] This change requires a documentation update

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How Has This Been Tested?

Describe how your changes have been tested.
I ran the project I tried inputting correct and incorrect codes and toggled it as well.

• [x] I have described my testing process.

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Checklist

Please confirm the following:

• [x] My code follows the guidelines of this project.
• [x] I have performed a self-review of my own code.
• [x] I have commented my code, particularly wherever it was hard to understand.
• [x] I have made corresponding changes to the documentation.
• [x] My changes generate no new warnings.
• [x] I have added things that prove my fix is effective or that my feature works.
• [x] Any dependent changes have been merged and published in downstream modules.

Summary by CodeRabbit

• New Features

  • Introduced a user-friendly GUI-based currency converter with real-time exchange rates and light/dark theme toggling.
  • Added input validation and clear error messages for improved usability.
  • Provided a batch script for easy launching of the application on Windows.

• Documentation

  • Added comprehensive README with setup instructions, feature overview, API usage notes, and contribution guidelines.

• Chores

  • Updated ignore rules to exclude environment files, virtual environments, and Python cache files.

[coderabbitai[bot]]

Walkthrough

A new Python Tkinter-based currency converter project was added, including a GUI application, README documentation, a batch script for launching the app, and updates to the .gitignore for project-specific files. The application uses a live API for exchange rates, supports theme toggling, input validation, and error handling.

Changes

File(s)	Change Summary
Beginner_Projects/Currency-Converter-with toggletheme/currency_converter.py	Added main GUI application for currency conversion with live API, theme toggle, and error handling.
Beginner_Projects/Currency-Converter-with toggletheme/README.md	Added documentation describing features, setup, usage, and contribution guidelines.
Beginner_Projects/Currency-Converter-with toggletheme/run_converter.bat	Added batch script to launch the currency converter using the project's virtual environment.
.gitignore	Updated to ignore .env, venv/, Python cache files, and retained .DS_Store.

Sequence Diagram(s)

sequenceDiagram
    participant User
    participant GUI
    participant API

    User->>GUI: Enter from/to currency and amount
    User->>GUI: Click "Convert" or press Enter
    GUI->>API: Fetch exchange rates (with API key)
    API-->>GUI: Return exchange rates (JSON)
    GUI->>GUI: Validate input and calculate conversion
    GUI->>User: Display result or error message
    User->>GUI: Toggle theme (optional)
    GUI->>GUI: Switch between light/dark mode

Assessment against linked issues

Objective	Addressed	Explanation
Currency converter with input fields for from currency, to currency, and amount (#1310)	✅
Use of live API for fetching currency rates and JSON parsing (#1310)	✅
Simple GUI implementation using Tkinter (#1310)	✅
Toggle between light and dark theme (#1310)	✅

Poem

In a world of currencies, near and far,
I built a converter—my shining star!
With a hop and a click, exchange rates appear,
Light or dark mode, just as you cheer.
From rupees to yen, or dollar to pound,
My GUI magic makes conversions abound!
— 🐇✨

✨ Finishing Touches

• [ ] 📝 Generate Docstrings

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[github-actions[bot]]

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[UTSAVS26]

@Y4shu can you look into the issues that coderabbitai raises

[UTSAVS26]

@Y4shu i will close this issue by tomorrow EOD if i don't see any update on this.

[Y4shu]

To update the changes should i just commit and push again?

[UTSAVS26]

Yes It will automatically update this PR.

[kanishgit09]

@Y4shu Brother, tell me in which folder you found this project data. please in detail. In PyVerse repo, there are many files he listed.

[Y4shu]

@Y4shu Brother, tell me in which folder you found this project data. please in detail. In PyVerse repo, there are many files he listed.

I didn't find the project data, I added to the beginner projects folder