Troubleshooting Prism Library: A Guide to Python Code Highlighting

syndu | Aug. 12, 2023, 10:42 p.m.

Create an image illustrating the process of troubleshooting Prism Library for Python code highlighting. ```html

The issue you're experiencing might be due to the fact that the Prism library isn't properly recognizing or highlighting your Python code. Prism uses CSS classes to apply syntax highlighting, and the class is determined by the language of the code block.

In your code, you're setting the class of the code block with the following line:

    <code class="language-${prismLanguage}"> ${version.code} </code>

Here, prismLanguage is determined by the file extension of the file being viewed:

    var fileNameParts ='.');
    var fileExtension = fileNameParts[fileNameParts.length - 1];
    var prismLanguage = prismLanguages[fileExtension];

And prismLanguages is defined as:

    var prismLanguages = {"js": "javascript","py": "python","rb": "ruby","css": "css","html": "html"};

So, for Python files, prismLanguage should be "python", and the class of the code block should be "language-python".

If your Python code isn't being highlighted, there are a few things you could check:
  1. Prism Python component: Make sure that the Python component of Prism is included in your project. Prism uses different components to highlight different languages, and if the Python component isn't included, Python code won't be highlighted. You can check this by looking at the Prism script tag in your HTML. If you're using a custom Prism download, make sure to check the Python option.
  2. File extension: Check that your Python files have the correct ".py" extension, as this is what your script uses to determine the language of the file.
  3. Prism call: You're calling `Prism.highlightAll();` after adding the code block to the DOM. Make sure this line is being executed when viewing Python files. You can check this by adding a `console.log` statement before the call to `Prism.highlightAll();`.
  4. Code block class: Check the class of the code block when viewing a Python file. It should be "language-python". You can check this by inspecting the code block element in your browser's developer tools.

If everything seems correct and the issue persists, there might be an issue with the Prism library itself, or with how it's interacting with the rest of your code. In this case, you might want to consider asking for help on the Prism GitHub page or on a web development forum like Stack Overflow.

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