CDLDownloader/README.md

CDL Downloader

Automation script for downloading medical test results files from ewyniki.cdl.pl

CDL Downloader makes use of Selenium test software to automatically fill patient data textboxes and download PDF files.

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Features

• Headless mode - can be used entirely without graphical interface
• Returns basic information after download - script returns basic data in JSON format, such as failure/success status and tests results as html table

Requirements

• Chrome Driver installed
• PIP packages:
  • selenium
  • webdriver-manager
  • argparse

You can also use requirements.txt file to install PIP dependencies

pip install -r cdl_downloader/requirements.txt

Usage

python cdl_downloader <pesel> <barcode>

Additional options:

• --headless - headless mode
• --path <path> - set download path

Execution:

1. Script starts browser
2. Goes to ewyniki.cdl.pl barcode login page
3. Fills PESEL and barcode textbox and submit
4. Waits either for error message (and then stops and returns error) or download button
5. Gathers info about test results
6. Creates dedicated download directory
7. Downloads file

Returned data:

In case of failure:

{
    "success": false
}

In case of success:

{
    "success": true,
    "id": "e1ce9235-9c36-4b7a-b245-e2f1c3d3b1c0",
    "fileName": "/mnt/example/download_dir/e1ce9235-9c36-4b7a-b245-e2f1c3d3b1c0/TEST_FILE.pdf",
    "formattedDate": "2026.01.31",
    "resultTableHTML": "<table>...</table>"
}