Add pre-commit-config, isort, flake8, black

.github/workflows/codeql-analysis.yml

@@ -38,7 +38,7 @@ jobs:
     steps:
     - name: Checkout repository
       uses: actions/checkout@v2
-    
+
     - name: Install system dependencies
       run:  |
        sudo apt-get install -y python3-dev portaudio19-dev libatlas3-base
@@ -46,7 +46,7 @@ jobs:
       uses: actions/setup-python@v2
       with:
         python-version: '3.9'
-#     - name: Cache pip 
+#     - name: Cache pip
 #       uses: actions/cache@v2
 #       env:
 #         cache-name: cache-pip
@@ -55,16 +55,16 @@ jobs:
 #         key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/requirements.txt') }}
 #         restore-keys: |
 #           ${{ runner.os }}-build-${{ env.cache-name }}-
-    - name: Install python dependencies	
-      run: |	
+    - name: Install python dependencies
+      run: |
         python -m pip install --upgrade pip	wheel setuptools
         pip install Cython
 #         pip install numpy==1.19.3
-#         if [ -f requirements.txt ]; 	
-#         then pip install -r requirements.txt;	
-#         fi	
-#         # Set the `CODEQL-PYTHON` environment variable to the Python executable	
-#         # that includes the dependencies	
+#         if [ -f requirements.txt ];
+#         then pip install -r requirements.txt;
+#         fi
+#         # Set the `CODEQL-PYTHON` environment variable to the Python executable
+#         # that includes the dependencies
 #         echo "::set-env name=CODEQL_PYTHON::$(which python)"x'
     - name: Lint with flake8
       run: |
@@ -76,7 +76,7 @@ jobs:
       uses: github/codeql-action/init@v1
       with:
         languages: ${{ matrix.language }}
-        # Override the default behavior so that the action doesn't attempt 
+        # Override the default behavior so that the action doesn't attempt
         # to auto-install Python dependencies
         setup-python-dependencies: false
         # If you wish to specify custom queries, you can do so here or in a config file.
@@ -102,7 +102,7 @@ jobs:
 
     - name: Perform CodeQL Analysis
       uses: github/codeql-action/analyze@v1
-      
+
   analyze-javascript:
     name: Analyze Javascript
     runs-on: ubuntu-latest

.pre-commit-config.yaml

@@ -0,0 +1,26 @@
+# See https://pre-commit.com for more information
+# See https://pre-commit.com/hooks.html for more hooks
+
+default_language_version:
+  python: python3
+
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v3.3.0
+    hooks:
+    - id: check-yaml
+    - id: check-ast
+    - id: trailing-whitespace
+    - id: check-toml
+  - repo: https://github.com/PyCQA/isort
+    rev: 5.6.4
+    hooks:
+      - id: isort
+  - repo: https://gitlab.com/pycqa/flake8
+    rev: 3.8.4
+    hooks:
+      - id: flake8
+  - repo: https://github.com/psf/black
+    rev: 20.8b1 # Replace by any tag/version: https://github.com/psf/black/tags
+    hooks:
+      - id: black

pyproject.toml

@@ -1,10 +1,11 @@
 [tool.black]
-line-length = 89
+line-length = 79
 target-version = ["py37", "py38"]
 
 [tool.isort]
 profile = "black"
-line_length = 89
+line_length = 79
+# The following are the default values applied when profile="black"
 # multi_line_output = 3
 # include_trailing_comma = True
 # force_grid_wrap = 0

requirements-dev.txt

@@ -0,0 +1,7 @@
+# Requirements. These can can be installed with:
+#   pip install -r requirements-dev.txt
+
+flake8>=3.8.4
+black>=20.8b1
+isort>=5.6.4
+pre-commit>=2.9.3

setup.cfg

@@ -41,11 +41,10 @@ source_dir = docs/source
 build_dir = docs/build
 
 [flake8]
-max-line-length = 89
+max-line-length = 79
+extend-ignore = E203, W503
 ignore =
     E501,
-    E203,
-    W503,
     F601,
     F811,
     F841
@@ -54,4 +53,5 @@ exclude =
     build
     dist
     .eggs
-    docs/conf.py
+    docs/conf.py
+    node_modules