XML Signer

Author: @Izcarmt95

This is a simple XML Signer made in Python 3.11 using the library lxml. Valid for Electronic Invoice Costa Rica. Version 4.X +

Prerequisites

• Python 3.11

Installation

• Clone this repository
• Create a virtual environment

  python3.11 -m venv .env_p3.11
  

• Activate the virtual environment

  source .env_p3.11/bin/activate
  

• Install the requirements

  pip install -r requirements.txt
  

• Run the script and follow the instructions

  $ ./main.py --help
                                                                                                               
  Usage: main.py [OPTIONS]                                                                                    
                                                                                                              
  ╭─ Options ─────────────────────────────────────────────────────────────────────────────────────────────────╮
  │ *  --xml-path                   TEXT  Path or name to xml file to sign (Factura Electrónica CR)           │
  │                                       [default: None]                                                     │
  │                                       [required]                                                          │
  │ *  --p12-path                   TEXT  Path or name to p12 certificate [default: None] [required]          │
  │ *  --pin                        TEXT  Pin of the certificate (4 digits) [default: None] [required]        │
  │    --base64      --no-base64          If True, the output will be in base64 format [default: no-base64]   │
  │    --help                             Show this message and exit.                                         │
  ╰───────────────────────────────────────────────────────────────────────────────────────────────────────────╯
  

Example

• xml file and cert file must be in the same directory where the script is executed