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The copier answers file is a key component to making your templates re-runnable. Let's look at the example for my setup.py.
❯ tree ~/.copier-templates/setup.py /home/walkers/.copier-templates/setup.py ├── [[ _copier_conf.answers_file ]].tmpl ├── copier.yml ├── setup.cfg └── setup.py.tmpl 0 directories, 4 files
Inside of my [[ _copier_conf.answers_file ]].tmpl file is this, a
message not to muck around with it, and the ansers in yaml form. The
first line is just a helper for the blog post.
# ~/.copier-templates/setup.py/\[\[\ _copier_conf.answers_file\ \]\].tmpl # Changes here will be overwritten by Copier; NEVER EDIT MANUALLY [[_copier_answers|to_nice_yaml]]
Inside my copier.yml I have setup my _answers_file to point to a special file. This is because this is not a whole projet template, but one just for a single file.
# copier.yml # ... _answers_file: .setup-py-copier-answers.yml
Once I change the _answers_file I was incredibly stuck
Run it #
I'm making a library of personal copier templates in my
~/.copier-templates directory and I am going to run it from there.
copier copy ~/.copier-templates/setup.py
Results #
After rendering the template we have the following content in our
.setup.setup-py-copier-answers.yml file. This will allow us to update
quick if we ever change our template.
# .setup-py-copier-answers.yml # Changes here will be overwritten by Copier; NEVER EDIT MANUALLY _src_path: /home/walkers/.copier-templates/setup.py author_github: waylonwalker author_name: Waylon Walker description: awesomeness framework: null keywords: null package_name: my-package
Update it #
This is where I was most stuck, primarily becuase -a <answers_file>
must come exactly after the base command copier. This felt a bit odd
to and not where I expected it so it.
copier -a .setup-py-copier-answers.yml update
Stop asking all these damn questions #
So the defaults are now changed to our previous results, but it keeps
asking for them. To stop asking we can simply add a -f flag.
copier -fa .setup-py-copier-answers.yml update