Pip-based CI with Colab dependencies.

PiperOrigin-RevId: 627135153

.github/install_colab_deps.py

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+# coding=utf-8
+# Copyright 2024 The Perch Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Installs Colab dependencies for CI testing."""
+
+from typing import Sequence
+
+from absl import app
+import requests
+
+
+REQS_FILE = 'https://raw.githubusercontent.com/googlecolab/backend-info/main/pip-freeze.txt'
+COLAB_REQS_FILE = '/tmp/colab_reqs.txt'
+
+
+def main(unused_argv: Sequence[str]) -> None:
+  got = requests.get(REQS_FILE)
+  requirements_str = str(got.content, 'utf8')
+  # Skip the file:// lines, which we do not have access to.
+  lines = [
+      ln + '\n' for ln in requirements_str.split('\n') if 'file://' not in ln
+  ]
+  with open(COLAB_REQS_FILE, 'w') as f:
+    f.writelines(lines)
+
+
+if __name__ == '__main__':
+  app.run(main)

.github/workflows/ci_colab_no_jaxtrain.yml

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+name: CI_colab_no_jaxtrain
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+  # Allows to run this workflow manually from the Actions tab on GitHub.
+  workflow_dispatch:
+
+jobs:
+  test-ubuntu:
+    name: "test on ${{ matrix.python-version }} on ${{ matrix.os }}"
+    runs-on: "${{ matrix.os }}"
+    strategy:
+      matrix:
+        python-version: ["3.10", "3.11"]
+        os: [ubuntu-latest]
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Poetry
+        run: |
+          pipx install poetry
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: 'poetry'
+      - name: Install Chirp and its dependencies via pip.
+        run: |
+          sudo apt-get update
+          sudo apt-get install libsndfile1 ffmpeg
+          pip install absl-py
+          pip install requests
+          python3 .github/install_colab_deps.py
+          pip install -r /tmp/colab_reqs.txt
+          pip install git+https://github.com/google-research/perch.git
+      - name: Test with unittest
+        # TODO: Group together jaxtrain tests so they can be easily excluded.
+        run: poetry run python -m unittest discover -s chirp/inference/tests -p "*test.py"