Initialize CI for code quality and testing

.github/workflows/pr_quality.yml

@@ -0,0 +1,29 @@
+name: Run code quality checks
+
+on:
+  pull_request:
+    branches:
+      - main
+  push:
+    branches:
+      - main
+
+jobs:
+  check_code_quality:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.7"
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install .[quality]
+      - name: Check quality
+        run: |
+          black  --check --preview examples tests src utils scripts
+          isort --check-only examples tests src utils scripts
+          flake8 examples tests src utils scripts
+          doc-builder style src/diffusers docs/source --max_len 119 --check_only --path_to_docs docs/source

.github/workflows/pr_tests.yml

@@ -0,0 +1,40 @@
+name: Run non-slow tests
+
+on:
+  pull_request:
+    branches:
+      - main
+
+env:
+  HF_HOME: /mnt/cache
+  OMP_NUM_THREADS: 8
+  MKL_NUM_THREADS: 8
+  PYTEST_TIMEOUT: 60
+
+jobs:
+  run_tests_cpu:
+    name: Diffusers tests
+    runs-on: [ self-hosted, docker-gpu ]
+    container:
+      image: python:3.7
+      options: --shm-size "16gb" --ipc host -v /mnt/cache/.cache/huggingface:/mnt/cache/
+
+    steps:
+    - name: Checkout diffusers
+      uses: actions/checkout@v3
+      with:
+        fetch-depth: 2
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        python -m pip install torch --extra-index-url https://download.pytorch.org/whl/cpu
+        python -m pip install -e .[quality,test]
+
+    - name: Environment
+      run: |
+        python utils/print_env.py
+
+    - name: Run all non-slow selected tests on CPU
+      run: |
+        python -m pytest -n 2 --max-worker-restart=0 --dist=loadfile -s tests/

.github/workflows/push_tests.yml

@@ -0,0 +1,51 @@
+name: Run all tests
+
+on:
+  push:
+    branches:
+      - main
+
+env:
+  HF_HOME: /mnt/cache
+  OMP_NUM_THREADS: 8
+  MKL_NUM_THREADS: 8
+  PYTEST_TIMEOUT: 1000
+  RUN_SLOW: yes
+
+jobs:
+  run_tests_single_gpu:
+    name: Diffusers tests
+    strategy:
+      fail-fast: false
+      matrix:
+        machine_type: [ single-gpu ]
+    runs-on: [ self-hosted, docker-gpu, '${{ matrix.machine_type }}' ]
+    container:
+      image: nvcr.io/nvidia/pytorch:22.07-py3
+      options: --gpus 0 --shm-size "16gb" --ipc host -v /mnt/cache/.cache/huggingface:/mnt/cache/
+
+    steps:
+    - name: Checkout diffusers
+      uses: actions/checkout@v3
+      with:
+        fetch-depth: 2
+
+    - name: NVIDIA-SMI
+      run: |
+        nvidia-smi
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        python -m pip uninstall -y torch torchvision torchtext
+        python -m pip install torch --extra-index-url https://download.pytorch.org/whl/cu116
+        python -m pip install -e .[quality,test]
+        python -m pip install scipy transformers
+
+    - name: Environment
+      run: |
+        python utils/print_env.py
+
+    - name: Run all (incl. slow) tests on GPU
+      run: |
+        python -m pytest -n 2 --max-worker-restart=0 --dist=loadfile -s tests/

setup.py

@@ -89,6 +89,8 @@
     "modelcards==0.1.4",
     "numpy",
     "pytest",
+    "pytest-timeout",
+    "pytest-xdist",
     "regex!=2019.12.17",
     "requests",
     "tensorboard",
@@ -163,10 +165,10 @@ def run(self):
 
 
 extras = {}
-extras["quality"] = ["black==22.3", "isort >= 5.5.4", "flake8 >= 3.8.3"]
+extras["quality"] = ["black==22.3", "isort>=5.5.4", "flake8>=3.8.3", "hf-doc-builder"]
 extras["docs"] = ["hf-doc-builder"]
 extras["training"] = ["accelerate", "datasets", "tensorboard", "modelcards"]
-extras["test"] = ["pytest"]
+extras["test"] = ["pytest", "pytest-timeout", "pytest-xdist"]
 extras["dev"] = extras["quality"] + extras["test"] + extras["training"] + extras["docs"]
 
 install_requires = [

src/diffusers/dependency_versions_table.py

@@ -15,6 +15,8 @@
     "modelcards": "modelcards==0.1.4",
     "numpy": "numpy",
     "pytest": "pytest",
+    "pytest-timeout": "pytest-timeout",
+    "pytest-xdist": "pytest-xdist",
     "regex": "regex!=2019.12.17",
     "requests": "requests",
     "tensorboard": "tensorboard",

utils/print_env.py

@@ -0,0 +1,48 @@
+#!/usr/bin/env python3
+
+# coding=utf-8
+# Copyright 2022 The HuggingFace Inc. team.
+#
+# 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.
+
+# this script dumps information about the environment
+
+import os
+import platform
+import sys
+
+
+os.environ["TF_CPP_MIN_LOG_LEVEL"] = "3"
+
+print("Python version:", sys.version)
+
+print("OS platform:", platform.platform())
+print("OS architecture:", platform.machine())
+
+try:
+    import torch
+
+    print("Torch version:", torch.__version__)
+    print("Cuda available:", torch.cuda.is_available())
+    print("Cuda version:", torch.version.cuda)
+    print("CuDNN version:", torch.backends.cudnn.version())
+    print("Number of GPUs available:", torch.cuda.device_count())
+except ImportError:
+    print("Torch version:", None)
+
+try:
+    import transformers
+
+    print("transformers version:", transformers.__version__)
+except ImportError:
+    print("transformers version:", None)