Replace example data submodule with subtree (#2105)

* Remove submodule

* Squashed 'arviz/data/example_data/' content from commit 594a6add

git-subtree-dir: arviz/data/example_data
git-subtree-split: 594a6addd3aeddbd5d03e1a59300a1dcf0491a68

* Update changelog

* Don't download submodules in workflows

* Document how to update example data

Co-authored-by: Oriol Abril-Pla <oriol.abril.pla@gmail.com>

.azure-pipelines/azure-pipelines-base.yml

@@ -29,10 +29,6 @@ jobs:
 
 
   steps:
-
-  - checkout: self
-    submodules: true
-
   - task: UsePythonVersion@0
     inputs:
       versionSpec: '$(python.version)'

.azure-pipelines/azure-pipelines-benchmarks.yml

@@ -11,9 +11,6 @@ jobs:
 
   steps:
 
-  - checkout: self
-    submodules: true
-
   - task: UsePythonVersion@0
     inputs:
       versionSpec: '$(python.version)'

.azure-pipelines/azure-pipelines-docs.yml

@@ -16,8 +16,6 @@ jobs:
         name: "Python 3.9 - docs"
 
   steps:
-  - checkout: self
-    submodules: true
   - script: |
       PRTitle=$(curl -s https://api.github.com/repos/arviz-devs/arviz/pulls/${PULLREQUESTNUMBER} | grep title | cut -d'"' -f4)
       echo "##vso[task.setvariable variable=PRTitle]${PRTitle}"

.azure-pipelines/azure-pipelines-external.yml

@@ -27,8 +27,6 @@ jobs:
         name: "External special"
 
   steps:
-  - checkout: self
-    submodules: true
   - task: UsePythonVersion@0
     inputs:
       versionSpec: '$(python.version)'

.azure-pipelines/azure-pipelines-wheel.yml

@@ -18,9 +18,6 @@ jobs:
 
   steps:
 
-  - checkout: self
-    submodules: true
-
   - task: UsePythonVersion@0
     inputs:
       versionSpec: '$(python.version)'

.readthedocs.yml

@@ -1,8 +1,5 @@
 version: 2
 
-submodules:
-  include: all
-
 sphinx:
     configuration: doc/source/conf.py
 

CHANGELOG.md

@@ -8,7 +8,8 @@
 ### Maintenance and fixes
 * Add exception in `az.plot_hdi` for `x` of type `np.datetime64` and `smooth=True` ([2016](https://github.com/arviz-devs/arviz/pull/2016))
 * Change `ax.plot` usage to `ax.scatter` in `plot_pair` ([1990](https://github.com/arviz-devs/arviz/pull/1990))
-* Example data has been moved to the [arviz_example_data](https://github.com/arviz-devs/arviz_example_data) repository and is now included as a git submodule. ([2096](https://github.com/arviz-devs/arviz/pull/2096))
+* Example data has been moved to the [arviz_example_data](https://github.com/arviz-devs/arviz_example_data) repository and is now included using git subtree.
+  ([2096](https://github.com/arviz-devs/arviz/pull/2096) and [2105](https://github.com/arviz-devs/arviz/pull/2105))
 * Bokeh kde contour plots started to use `contourpy` package ([2104](https://github.com/arviz-devs/arviz/pull/2104))
 * Update default Bokeh markers for rcparams ([2104](https://github.com/arviz-devs/arviz/pull/2104))
 

arviz/data/example_data/.gitignore

@@ -0,0 +1,129 @@
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+pip-wheel-metadata/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+.python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/