Add automatic pre-commit fixes in code formatting using flake8 and black

Author: carpecodeum

labellab-flask/.flake8

@@ -0,0 +1,5 @@
+[flake8]
+ignore = E203, E266, E501, W503, F403, F401
+max-line-length = 79
+max-complexity = 18
+select = B,C,E,F,W,T4,B9

labellab-flask/pre-commit-config.yaml

@@ -0,0 +1,10 @@
+repos:
+-   repo: https://github.com/ambv/black
+    rev: stable
+    hooks:
+    - id: black
+        language_version: python3.6
+-   repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v1.2.3
+    hooks:
+    - id: flake8

labellab-flask/requirements.txt

@@ -2,13 +2,15 @@ absl-py==0.9.0
 alembic==1.4.2
 astroid==1.6.6
 astunparse==1.6.3
+appdirs==1.4.4
 backports.functools-lru-cache==1.5
 bcrypt==3.1.7
 beautifulsoup4==4.8.1
 bs4==0.0.1
 cachetools==4.1.0
 certifi==2019.11.28
 cffi==1.14.0
+cfgv==3.2.0
 chardet==3.0.4
 Click==7.0
 colorama==0.4.3
@@ -17,7 +19,10 @@ cmake==3.14.3
 configparser==3.7.4
 coverage==5.2.1
 cycler==0.10.0
+distlib==0.3.1
 enum34==1.1.6
+filelock==3.0.12
+flake8==3.7.7
 Flask==1.1.1
 Flask-Bcrypt==0.7.1
 Flask-Cors==3.0.8
@@ -32,8 +37,10 @@ futures==3.1.1
 gast==0.3.3
 grpcio==1.29.0
 h5py==2.10.0
+identify==1.4.29
 idna==2.8
 importlib-metadata==1.6.1
+importlib-resources==3.0.0
 isort==4.3.21
 itsdangerous==1.1.0
 Jinja2==2.11.1
@@ -48,6 +55,7 @@ marshmallow==2.21.0
 marshmallow-sqlalchemy==0.17.1
 mccabe==0.6.1
 nose==1.3.7
+nodeenv==1.5.0
 numpy==1.16.4
 oauthlib==3.1.0
 onnx==1.6.0
@@ -57,9 +65,12 @@ pandas==1.0.4
 pep8==1.7.1
 Pillow==7.1.2
 protobuf==3.12.2
+pre-commit==1.17.0
 pyasn1==0.4.8
 pyasn1-modules==0.2.8
+pycodestyle==2.5.0
 pycparser==2.20
+pyflakes==2.1.1
 PyJWT==1.7.1
 pylint==1.9.4
 PyMySQL==0.9.3
@@ -68,6 +79,7 @@ python-dateutil==2.8.1
 python-dotenv==0.11.0
 python-editor==1.0.4
 pytz==2019.3
+pyyaml==5.3.1
 requests==2.22.0
 requests-oauthlib==1.3.0
 rsa==4.6
@@ -85,6 +97,7 @@ tensorflow-estimator==2.2.0
 termcolor==1.1.0
 tf-estimator-nightly==2.3.0.dev2020061601
 tf2onnx==1.6.2
+toml==0.10.1
 typing==3.7.4.1
 typing-extensions==3.7.4.2
 urllib3==1.25.9

pyproject.toml

@@ -0,0 +1,18 @@
+[tool.black]
+line-length = 79
+include = '\.pyi?$'
+exclude = '''
+/(
+    \.git
+  | \.hg
+  | \.mypy_cache
+  | \.tox
+  | \.venv
+  | _build
+  | buck-out
+  | build
+  | migrations
+  | dist
+  | venv
+)/
+'''