Try to implement an "upload nightly" github action.

All in one commit

Author: Carreau

Dockerfile

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+FROM continuumio/miniconda3:latest
+
+COPY entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
+
+ENTRYPOINT ["/entrypoint.sh"]

LICENSE

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+BSD 3-Clause License
+
+Copyright (c) 2022, Scientific Python
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+3. Neither the name of the copyright holder nor the names of its
+   contributors may be used to endorse or promote products derived from
+   this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

README.md

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+# nightly uplolad. 
+
+
+This provides a standard GitHub Action to upload nightly builds to the
+scientific-python nightly channel. 
+
+In your Continuous Intregration pipeline once you've built you wheel, you can
+use the following snippet to upload to our central nightly repository:
+
+
+```yml
+jobs:
+  steps:
+    ...
+    - name: Upload wheel
+      uses: scientific-python/upload-nightly-action@main
+      with:
+        artifacts_path: dist
+        anaconda_nightly_upload_token: ${{secrets.UPLOAD_TOKEN}}
+```
+
+
+To request access to the repository please open an issue on [this action
+repository](https://github.com/scientific-python/upload-nightly-action). You can
+then generate a token at `https://anaconda.org/<username>/settings/access`, check
+minimum permissions and add the token as a secret to your GitHub repository.
+
+
+# using nightly builds in CI. 
+
+To test those nightly build, you can use the following command to install from
+the nightly package. 
+
+```
+python -m pip install matplotlib -i https://pypi.org/simple  -i https://pypi.anaconda.org/scientific-python-nightly-wheels/simple  --upgrade --pre
+```
+
+Note that second `-i` parameter will take priority, it needs to come second if
+you want to pull from nightly otherwise it will pull from pypi. 
+
+```
+if package in nightly:
+   try to install from nightly
+else:
+   try to install from pypi
+```

action.yml

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+name: Upload Nightly
+description: A GitHub Action to upload artifacts nightly
+permissions:
+  actions: read
+  contents: read
+  metadata: read
+author: "Scientific-Python"
+version: "1.0.0"
+
+inputs:
+  artifacts_path:
+    description: 'Path to the artifacts directory where wheels to upload are present'
+    required: true
+  anaconda_nightly_upload_token:
+    description: 'Token to upload to scientific python org'
+    required: true
+
+runs:
+  using: 'docker'
+  image: 'Dockerfile'

entrypoint.sh

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+#!/bin/bash
+
+# fail on undefined variables
+set -u
+# Prevent pipe errors to be silenced
+set -o pipefail
+# Exit if any command exit as non-zero
+set -e
+# enable trace mode (print what it does)
+set -x
+
+# get the anaconda token from the github secrets
+#
+# this is to prevent accidental uploads
+echo "Getting anaconda token from github secrets..."
+
+ANACONDA_ORG="scientific-python-nightly-wheels"
+ANACONDA_TOKEN="$INPUT_ANACONDA_NIGHTLY_UPLOAD_TOKEN"
+
+# if the ANACONDA_TOKEN is empty, exit with status -1
+# this is to prevent accidental uploads
+if [ -z "$ANACONDA_TOKEN" ]; then
+  echo "ANACONDA_TOKEN is empty , exiting..."
+  exit -1
+fi
+
+# install anaconda-client
+echo "Installing anaconda-client..."
+
+conda install -y anaconda-client -c conda-forge
+
+# trim trailing slashes from $INPUT_ARTIFACTS_PATH
+INPUT_ARTIFACTS_PATH="${INPUT_ARTIFACTS_PATH%/}"
+
+# debug, print env
+env
+
+# upload wheels
+echo "Uploading wheels to anaconda.org..."
+
+anaconda -t $ANACONDA_TOKEN upload --force -u "$ANACONDA_ORG" "$INPUT_ARTIFACTS_PATH"/*.whl
+echo "Index: https://pypi.anaconda.org/$ANACONDA_ORG/simple"