Tag: jinja2

2 articles

Fix: Copier Not Working — Template Updates, Question Conditions, and Migrations

May 15, 2026

How to fix Copier errors — copier.yml not found, conditional questions not appearing, update breaks generated project, migrations between versions, Jinja vs YAML escaping, and answers file conflict.

python copier templating scaffolding jinja2 debugging

Fix: Cookiecutter Not Working — Template Errors, Variable Substitution, and Hook Failures

May 14, 2026

How to fix Cookiecutter errors — cookiecutter.json not found, variable substitution failed Jinja2, pre/post-generation hooks failed, no_input mode missing values, private repo authentication, and copier vs cookiecutter.

python cookiecutter templating scaffolding jinja2 debugging