Migrate from cookiecutter to copier

This migrates from cookiecutter template to copier while keeping all
original features.

Closes #348

Co-authored-by: Olga Lyashevska <olga.lyashevska@gmail.com>
Co-authored-by: Sander van Rijn <s.vanrijn@esciencecenter.nl>

Author: lyashevska

.copier-answers.yml

@@ -7,5 +7,5 @@ assignees: ''
 
 ---
 <!--
-Whatever you write here must have something to do with the code you get from running `cookiecutter`.
+Whatever you write here must have something to do with the code you get from running `copier`.
 -->

.github/ISSUE_TEMPLATE/10_generated_package.md

@@ -7,5 +7,5 @@ assignees: ''
 
 ---
 <!--
-Whatever you write here must have something to do with the code of the template itself, i.e. before you run `cookiecutter`.
+Whatever you write here must have something to do with the code of the template itself, i.e. before you run `copier`.
 -->

.github/ISSUE_TEMPLATE/20_template.md

@@ -26,3 +26,5 @@ env
 env3
 venv
 venv3
+
+.swp

.gitignore

@@ -4,12 +4,12 @@ The following steps requires that your existing code is in a GitHub repository.
 
 1. Follow the [instructions to create a new package](https://github.com/NLeSC/python-template#how-to-use) with the Python template, while answering the questions like you would for the existing package.
 
-2. Create a Git structure for the new directory: (replace  `<NEW_DIRECTORY>` with directory name you used during cookiecutter questionnaire)
+2. Create a Git structure for the new directory: (replace  `<NEW_DIRECTORY>` with directory name you used during coopier questionnaire)
 ```shell
 $ cd <NEW_DIRECTORY>
 $ git init
 $ git add --all
-$ git commit -m "Added code generated by cookiecutter"
+$ git commit -m "Added code generated by copier"
 $ git branch -M main
 ```
 
@@ -24,6 +24,6 @@ $ git merge existing_code/<BRANCH> --allow-unrelated-histories
 5. Once all conflicts have been resolved then add all the files to GitHub:
 ```shell
 $ git add --all
-$ git commit -m "Merged existing code with code generated by cookiecutter"
+$ git commit -m "Merged existing code with code generated by copier"
 $ git push
 ```

ADD_TO_EXISTING_PACKAGE.md

@@ -72,7 +72,7 @@ cff-version: "1.2.0"
 date-released: 2018-07-17
 doi: 10.5281/zenodo.1310751
 keywords:
-  - cookiecutter
+  - copier
   - template
   - Python
 license: Apache-2.0

CITATION.cff

@@ -8,7 +8,7 @@ Use this [Cookiecutter](https://cookiecutter.readthedocs.io) template to generat
 an empty Python package. Features include:
 
 - Boilerplate unit tests and documentation,
-- [Python static setup configuration]({{cookiecutter.directory_name}}/pyproject.toml),
+- [Python static setup configuration]({{directory_name}}/pyproject.toml),
 - Open source software license,
 - Continuous integration with [GitHub action workflows]({{cookiecutter.directory_name}}/.github/workflows) for building, testing, link checking and linting,
 - Code style checking with [ruff](https://beta.ruff.rs/),

README.md

@@ -0,0 +1,70 @@
+# Essential questions
+
+package_name:
+  type: str
+  default: my_python_package
+  help: Enter the name of the Python package.
+  validator: >-
+        {% if not (package_name | regex_search('^[a-z][a-z0-9\_]+$')) %}
+        package_name must start with a letter, followed one or more letters, digits or underscores all lowercase.
+        {% endif %}
+package_short_description:
+  type: str
+  default: Short description of package
+  # validator: >-
+  #       {% if '"' in package_short_description %}
+  #       package_short_description must not contain unescaped double quotes. Use \\" for double quotes.
+  #       {% endif %}
+keyword1:
+  type: str
+  default: keyword1
+keyword2:
+  type: str
+  default: keyword2
+version:
+  type: str
+  default: 0.1.0
+github_organization:
+  type: str
+  default: "<my-github-organization>"
+license:
+  type: str
+  choices:
+  - "Apache Software License 2.0"
+  - "MIT license"
+  - "BSD license"
+  - "ISC license"
+  - "GNU General Public License v3 or later"
+  - "GNU Lesser General Public License v3 or later"
+  - "Not open source"
+  default: "MIT license"
+full_name:
+  type: str
+  default: Jane Smith
+  help: Enter your full name.
+  # validator: >-
+  #       {% if '"' in full_name %}
+  #       full_name must not contain unescaped double quotes. Use \\" for double quotes.
+  #       {% endif %}
+email:
+  type: str
+  default: yourname@esciencecenter.nl
+copyright_holder:
+  type: str
+  default: Netherlands eScience Center
+code_of_conduct_email:
+  type: str
+  default: "{{ email }}"
+
+_subdirectory: template
+
+repository:
+  default: git@github.com:{{ github_organization }}/{{ directory_name }}
+  when: false
+
+repository_url:
+  default: https://github.com/{{ github_organization }}/{{ directory_name }}
+  when: false
+
+
+# Optional questions