Fetch warranty info and save to CSV. Supported vendor:

• Lenovo: laptop

Current CSV columns:

• Serial Number
• Model
• Warranty Start
• Warranty End
• MTM
• CPU
• RAM (Factory)
• Disk (Factory)
• Query Status
• Notes

Each unique normalized SN is kept in the CSV. Input values are normalized by trimming spaces, removing hyphens, and uppercasing; duplicate lines that normalize to the same SN produce a single CSV row. Missing values are exported as N/A, and Query Status/Notes explain invalid input, partial results, not-found responses, or API errors.

The script now queries newthink.lenovo.com.cn as the primary source and falls back to pcsupport.lenovo.com when the primary source does not return all required data. Fallback usage is logged as a warning in the terminal and is also written into the Notes column for that SN.

Transient Lenovo API/network failures are retried automatically before a row is marked with an API error. When the script runs from the terminal it emits real-time INFO/WARNING logging so progress is visible while SNs are processed; under normal conditions each SN is summarized on a single line, followed by aggregate status and final summary lines for the whole run after processing / CSV output.

How-to

Use the script

python3 main.py -sn "./sn.txt" -csv "./warranty.csv"

Use the function

The class LenovoWarranty stores raw fetched warranty data and processed data in self.collection, it will avoid fetch SN that are already fetched.

• Initiate: warranty = LenovoWarranty()
• Add SN then fetch and process: warranty.add("./sn.txt") (run this multiple times to add from different files)
• Write finished to CSV: warranty.save("./warranty.csv")
• Check current status: warranty.status()

Todo

• Avoid duplicated processing
• Find the correct way to process Lenovo warranty data based on how Lenovo website processing using JS