Migrate from micromamba to pixi (#230)

* Draft usage of pixi.

* Adapt more integration tests.

* Adapt bigquery integration test task.

* Migrate docs deployment to pixi.

* Update build and publish.

* Run postinstall for readthedocs.

* Adapt liniting to rely on pixi.

* Add pytest as dependency.

* Adapt readthedocs configuration.

* Update development instructions.

* Switch to pixi in helper script.

* Adapt development.rst.

* Comment out impala run for debugging.

* Move flit to host-dependencies.

* Remove redundant dependency.

* Update .github/workflows/ci.yaml

Co-authored-by: Pavel Zwerschke <pavel.zwerschke@quantco.com>

* Add color to ci tests.

* Update .github/workflows/ci.yaml

Co-authored-by: Pavel Zwerschke <pavel.zwerschke@quantco.com>

* Update .github/workflows/ci.yaml

Co-authored-by: Pavel Zwerschke <pavel.zwerschke@quantco.com>

* Remove configurations which were erroneously added.

* Remove configurations which were erroneously added.

* Consistently use ubuntu-latest.

* Update .github/workflows/ci.yaml

Co-authored-by: Pavel Zwerschke <pavel.zwerschke@quantco.com>

* Also run unit tests on macos and windows.

* Fix impala test syntax.

* Downgrade sqlalchemy version for impala tests.

* Disable BigQuery tests for now.

---------

Co-authored-by: Pavel Zwerschke <pavel.zwerschke@quantco.com>

Author: kklein

.gitattributes

@@ -0,0 +1,2 @@
+# GitHub syntax highlighting
+pixi.lock linguist-language=YAML linguist-generated=true

.github/workflows/build_and_publish.yaml

@@ -18,21 +18,14 @@ jobs:
       fail-fast: true
     steps:
       - uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-
-      - uses: mamba-org/setup-micromamba@f8b8a1e23a26f60a44c853292711bacfd3eac822
-        with:
-          environment-file: environment.yml
-
+      - name: Set up pixi
+        uses: prefix-dev/setup-pixi@v0.8.1
       - name: Build
-        shell: bash -l {0}
         # It seems as though flit publish expects a .pypirc file as compared to
         # only a token passed as an argument.
         # See https://flit.pypa.io/en/latest/cmdline.html#flit-publish
         run: |
-          flit build
-
+          pixi run flit build
       - uses: actions/upload-artifact@v4
         with:
           path: dist/*
@@ -47,7 +40,6 @@ jobs:
         with:
           name: artifact
           path: dist
-
       - uses: pypa/gh-action-pypi-publish@v1.9.0
         with:
           user: __token__