Add github workflows

.github/build.yaml

+name: Build AutoAWQ Wheels with CUDA
+
+on:
+  push:
+    tags:
+      - "v*"
+
+jobs:
+  release:
+    # Retrieve tag and create release
+    name: Create Release
+    runs-on: ubuntu-latest
+    outputs:
+      upload_url: ${{ steps.create_release.outputs.upload_url }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Extract branch info
+        shell: bash
+        run: |
+          echo "release_tag=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV
+
+      - name: Create Release
+        id: create_release
+        uses: "actions/github-script@v6"
+        env:
+          RELEASE_TAG: ${{ env.release_tag }}
+        with:
+          github-token: "${{ secrets.GITHUB_TOKEN }}"
+          script: |
+            const script = require('.github/workflows/scripts/github_create_release.js')
+            await script(github, context, core)
+
+  build_wheels:
+    name: Build AWQ
+    runs-on: ${{ matrix.os }}
+    needs: release
+    
+    strategy:
+      matrix:
+        os: [ubuntu-20.04, windows-latest]
+        pyver: ["3.8", "3.9", "3.10", "3.11"]
+        cuda: ["11.8.0", "12.1.1"]
+    defaults:
+      run:
+        shell: pwsh
+    env:
+      CUDA_VERSION: ${{ matrix.cuda }}
+    
+    steps:
+      - name: Free Disk Space
+        uses: jlumbroso/free-disk-space@v1.3.0
+        if: runner.os == 'Linux'
+        with:
+          tool-cache: false
+          android: true
+          dotnet: true
+          haskell: true
+          large-packages: false
+          docker-images: true
+          swap-storage: false
+        
+      - uses: actions/checkout@v3
+
+      - uses: actions/setup-python@v3
+        with:
+          python-version: ${{ matrix.pyver }}
+
+      - name: Setup Mamba
+        uses: conda-incubator/setup-miniconda@v2.2.0
+        with:
+          activate-environment: "build"
+          python-version: ${{ matrix.pyver }}
+          miniforge-variant: Mambaforge
+          miniforge-version: latest
+          use-mamba: true
+          add-pip-as-python-dependency: true
+          auto-activate-base: false
+          
+      - name: Install Dependencies
+        run: |
+          # Install CUDA toolkit
+          mamba install -y 'cuda' -c "nvidia/label/cuda-${env:CUDA_VERSION}"
+
+          # Env variables
+          $env:CUDA_PATH = $env:CONDA_PREFIX
+          $env:CUDA_HOME = $env:CONDA_PREFIX
+          
+          # Install torch
+          $cudaVersion = $env:CUDA_VERSION.Replace('.', '')
+          $cudaVersionPytorch = $cudaVersion.Substring(0, $cudaVersion.Length - 1)
+          if ([int]$cudaVersionPytorch -gt 118) { $pytorchVersion = "torch==2.1.0" } else {$pytorchVersion = "torch==2.0.1"}
+          python -m pip install --upgrade --no-cache-dir $pytorchVersion+cu$cudaVersionPytorch --index-url https://download.pytorch.org/whl/cu$cudaVersionPytorch
+          python -m pip install build setuptools wheel ninja
+
+          # Print version information
+          python --version
+          python -c "import torch; print('PyTorch:', torch.__version__)"
+          python -c "import torch; print('CUDA:', torch.version.cuda)"
+          python -c "import os; print('CUDA_HOME:', os.getenv('CUDA_HOME', None))"
+          python -c "from torch.utils import cpp_extension; print (cpp_extension.CUDA_HOME)"
+
+      - name: Build Wheel
+        run: |
+          $env:CUDA_PATH = $env:CONDA_PREFIX
+          $env:CUDA_HOME = $env:CONDA_PREFIX
+
+          python setup.py sdist bdist_wheel
+      
+      - name: Upload Assets
+        uses: shogo82148/actions-upload-release-asset@v1
+        with:
+          upload_url: ${{ needs.release.outputs.upload_url }}
+          asset_path: ./dist/*.whl
\ No newline at end of file

.github/scripts/github_create_release.js

+module.exports = async (github, context, core) => {
+	try {
+		const response = await github.rest.repos.createRelease({
+			draft: false,
+			generate_release_notes: true,
+			name: process.env.RELEASE_TAG,
+			owner: context.repo.owner,
+			prerelease: false,
+			repo: context.repo.repo,
+			tag_name: process.env.RELEASE_TAG,
+		});
+
+		core.setOutput('upload_url', response.data.upload_url);
+	} catch (error) {
+		core.setFailed(error.message);
+	}
+}
\ No newline at end of file

setup.py

@@ -8,13 +8,11 @@ from torch.utils.cpp_extension import BuildExtension, CUDA_HOME, CUDAExtension
 os.environ["CC"] = "g++"
 os.environ["CXX"] = "g++"
 AUTOAWQ_KERNELS_VERSION = "0.0.1"
-PYPI_BUILD = os.getenv("PYPI_BUILD", "0") == "1"
 
-if not PYPI_BUILD:
-    try:
+try:
     CUDA_VERSION = "".join(os.environ.get("CUDA_VERSION", torch.version.cuda).split("."))[:3]
     AUTOAWQ_KERNELS_VERSION += f"+cu{CUDA_VERSION}"
-    except Exception as ex:
+except Exception as ex:
     raise RuntimeError("Your system must have an Nvidia GPU for installing AutoAWQ")
 
 common_setup_kwargs = {