jinja2_cli_programmatic_template_render_with_json_data.py

1import sys
2from jinja2_cli.cli import main
3
4# jinja2-cli expects arguments similar to the command line
5# Usage: jinja2-cli <template_file> <data_file>
6# Example: Rendering 'template.j2' using variables from 'data.json'
7
8def quickstart_render():
9    # Simulate command line arguments: [script_name, template_path, data_path]
10    sys.argv = ['jinja2', 'template.j2', 'data.json']
11    
12    try:
13        # The main function handles template loading, data parsing, and output
14        main()
15    except SystemExit as e:
16        # main() calls sys.exit(0) on success
17        if e.code != 0:
18            raise
19
20if __name__ == "__main__":
21    # Note: Ensure template.j2 and data.json exist in your working directory
22    # before running this snippet.
23    quickstart_render()