add flake8

Author: jimustafa

.flake8

@@ -0,0 +1,5 @@
+[flake8]
+ignore = E20,E22,E501,E701,F401,W
+
+[pep8]
+select = E12,E231,E241,E251,E26,E30

.pre-commit-config.yaml

@@ -9,3 +9,7 @@ repos:
       - id: check-yaml
       - id: end-of-file-fixer
       - id: trailing-whitespace
+  - repo: https://github.com/pycqa/flake8
+    rev: 4.0.1
+    hooks:
+      - id: flake8

requirements/requirements.in

@@ -1,11 +1,13 @@
+autopep8
 bump2version
 cartopy==0.19.0.post1
+flake8
 matplotlib==3.4.2
+mpl-sphinx-theme
 pdfx
 pip-tools
 pre-commit
 scipy
 sphinx
-mpl-sphinx-theme
 
 --no-binary shapely

requirements/requirements.txt

@@ -1,5 +1,5 @@
 #
-# This file is autogenerated by pip-compile with python 3.9
+# This file is autogenerated by pip-compile
 # To update, run:
 #
 #    pip-compile requirements.in
@@ -10,6 +10,8 @@ alabaster==0.7.12
     # via sphinx
 appdirs==1.4.4
     # via virtualenv
+autopep8==1.6.0
+    # via -r requirements.in
 babel==2.9.1
     # via sphinx
 beautifulsoup4==4.9.3
@@ -44,12 +46,20 @@ docutils==0.17.1
     #   sphinx
 filelock==3.0.12
     # via virtualenv
+flake8==4.0.1
+    # via -r requirements.in
 identify==2.2.2
     # via pre-commit
 idna==3.3
     # via requests
 imagesize==1.2.0
     # via sphinx
+importlib-metadata==4.2.0
+    # via
+    #   flake8
+    #   pep517
+    #   pre-commit
+    #   virtualenv
 jinja2==3.0.2
     # via sphinx
 kiwisolver==1.3.1
@@ -58,6 +68,8 @@ markupsafe==2.0.1
     # via jinja2
 matplotlib==3.4.2
     # via -r requirements.in
+mccabe==0.6.1
+    # via flake8
 mpl-sphinx-theme==0.0.6
     # via -r requirements.in
 nodeenv==1.5.0
@@ -81,10 +93,16 @@ pip-tools==6.1.0
     # via -r requirements.in
 pre-commit==2.11.1
     # via -r requirements.in
+pycodestyle==2.8.0
+    # via
+    #   autopep8
+    #   flake8
 pycparser==2.20
     # via cffi
 pydata-sphinx-theme==0.7.1
     # via mpl-sphinx-theme
+pyflakes==2.4.0
+    # via flake8
 pygments==2.10.0
     # via sphinx
 pyparsing==2.4.7
@@ -134,12 +152,19 @@ sphinxcontrib-serializinghtml==1.1.5
     # via sphinx
 toml==0.10.2
     # via
+    #   autopep8
     #   pep517
     #   pre-commit
+typing-extensions==4.0.0
+    # via importlib-metadata
 urllib3==1.26.7
     # via requests
 virtualenv==20.4.3
     # via pre-commit
+zipp==3.6.0
+    # via
+    #   importlib-metadata
+    #   pep517
 
 # The following packages are considered to be unsafe in a requirements file:
 # pip