This tool extracts data from a Google Codelab course (e.g. this one) and exports it into various offline formats (currently html, markdown and pandoc-markdown). This enables to build an ebook in many formats (using for example pandoc) that can then be used on any device, without internet connection and without formatting issues.
This tools requires Python 3.7+. To convert the generated markdown files into ebooks pandoc is also required.
Using cd head over to the root directory of this project and type python3 -m codelabs_extractor to run it. By appending --help to the previous command you will get this help screen:
usage: __main__.py [-h] -c URL -o DIR -f FMT [-l LANG]
Extracts data from a Google Codelab course and save it into various formats
optional arguments:
-h, --help show this help message and exit
-c URL, --course URL Url to the first Codelab of the course
-o DIR, --output-directory DIR
Output directory in which to save all generated files
-f FMT, --format FMT The format of the output. Supported FMT values: repr,
md, html, pandoc
-l LANG, --language LANG
The programming language used in the course, to use
with code blocks whose language could not be
automatically detected. Supported LANG values: java,
kotlin (and the others supported by Markdown).
Defaults to an empty string (i.e. no syntax
highlighting).Example usage for this codelab:
python3 -m codelabs_extractor --course https://codelabs.developers.google.com/codelabs/kotlin-android-training-welcome/index.html#0 --output-directory AndroidKotlinFundamentals --format pandoc --language kotlin
If the provided output format was pandoc, when the script has done downloading, extracting and exporting, it provides the pandoc command to use in order to create an ebook (or other things supported by pandoc). This is an example for the above command:
pandoc --verbose -o OUTPUT_FILE KotlinAndroidFundamentals/title.txt KotlinAndroidFundamentals/0.md KotlinAndroidFundamentals/1.md KotlinAndroidFundamentals/2.md KotlinAndroidFundamentals/3.md KotlinAndroidFundamentals/4.md KotlinAndroidFundamentals/5.md KotlinAndroidFundamentals/6.md KotlinAndroidFundamentals/7.md KotlinAndroidFundamentals/8.md KotlinAndroidFundamentals/9.md KotlinAndroidFundamentals/10.md KotlinAndroidFundamentals/11.md KotlinAndroidFundamentals/12.md KotlinAndroidFundamentals/13.md KotlinAndroidFundamentals/14.md KotlinAndroidFundamentals/15.md KotlinAndroidFundamentals/16.md KotlinAndroidFundamentals/17.md KotlinAndroidFundamentals/18.md KotlinAndroidFundamentals/19.md KotlinAndroidFundamentals/20.md KotlinAndroidFundamentals/21.md KotlinAndroidFundamentals/22.md KotlinAndroidFundamentals/23.md KotlinAndroidFundamentals/24.md KotlinAndroidFundamentals/25.md KotlinAndroidFundamentals/26.md KotlinAndroidFundamentals/27.md KotlinAndroidFundamentals/28.md KotlinAndroidFundamentals/29.md KotlinAndroidFundamentals/30.md KotlinAndroidFundamentals/31.md KotlinAndroidFundamentals/32.md KotlinAndroidFundamentals/33.md KotlinAndroidFundamentals/34.md
Just replace OUTPUT_FILE with the name of the ebook you want to produce (e.g. AndroidKotlinFundamentals.epub) and pandoc will take care of the rest of the work!
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