add release workflow

.github/workflows/release.yml

@@ -0,0 +1,37 @@
+name: release
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    strategy:
+        max-parallel: 6
+        matrix:
+          package: ["emmet-core"]
+
+    steps:
+    - uses: actions/checkout@v1
+
+    - uses: actions/setup-python@v1
+      with:
+        python-version: 3.7
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install setuptools setuptools_scm wheel
+
+    - name: Build packages
+      run: python setup.py sdist bdist_wheel
+      working-directory: ./${{ matrix.package }}/
+
+    - name: Publish package
+      uses: pypa/gh-action-pypi-publish@master
+      working-directory:
+      with:
+        user: __token__
+        password: ${{ secrets.PYPY_API_TOKEN }}
+        packages_dir: ./${{ matrix.package }}/dist/

emmet-core/setup.py

@@ -18,7 +18,7 @@
         "pydantic",
         "pybtex",
         "typing-extensions",
-        "pymongo",
+        "bson",
     ],
     license="modified BSD",
     zip_safe=False,