Use black code formatter

.editorconfig

@@ -11,7 +11,7 @@ trim_trailing_whitespace = true
 indent_size = 4
 continuation_indent_size = 8
 combine_as_imports = true
-max_line_length = 79
+max_line_length = 88
 multi_line_output = 4
 quote_type = single
 

.gitattributes

@@ -14,5 +14,8 @@ package-lock.json linguist-generated -diff -merge
 # Precompiled emails templates
 *.mjml linguist-generated
 
+# Seeded isort known third parties
+.isort.cfg linguist-generated
+
 # Automatically resolve changelog conflicts
 CHANGELOG.md merge=union

.github/main.workflow

@@ -0,0 +1,30 @@
+workflow "Linters" {
+  on = "push"
+  resolves = ["Black Linter", "Flake8 Linter"]
+}
+
+action "Build" {
+  uses = "jefftriplett/python-actions@ba888adab5b57956dce82b7dfc06e87b65090a6d"
+  args = "pip install flake8 black"
+  env = {
+    VENV_DIR = "/opt/"
+  }
+}
+
+action "Black Linter" {
+  uses = "jefftriplett/python-actions@ba888adab5b57956dce82b7dfc06e87b65090a6d"
+  args = "black --check saleor tests"
+  needs = ["Build"]
+  env = {
+    VENV_DIR = "/opt/"
+  }
+}
+
+action "Flake8 Linter" {
+  uses = "jefftriplett/python-actions@ba888adab5b57956dce82b7dfc06e87b65090a6d"
+  args = "flake8 saleor tests"
+  needs = ["Build"]
+  env = {
+    VENV_DIR = "/opt/"
+  }
+}

.pre-commit-config.yaml

@@ -0,0 +1,23 @@
+repos:
+-   repo: https://github.com/ambv/black
+    rev: 18.9b0
+    hooks:
+    - id: black
+      language_version: python3
+
+-   repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v2.1.0
+    hooks:
+    -   id: trailing-whitespace
+    -   id: end-of-file-fixer
+    -   id: flake8
+
+-   repo: https://github.com/asottile/seed-isort-config
+    rev: v1.9.0
+    hooks:
+    -   id: seed-isort-config
+
+-   repo: https://github.com/pre-commit/mirrors-isort
+    rev: v4.3.18
+    hooks:
+    -   id: isort

.pylintrc

@@ -2,7 +2,7 @@
 load-plugins=pylint.extensions.bad_builtin, pylint.extensions.mccabe, pylint_celery, pylint_django
 
 [MESSAGES CONTROL]
-disable=C0103, C0111, C0412, C1001, E1004, I0011, R0903, W0232, W0621
+disable=C0103, C0111, C0330, C0412, C1001, E1004, I0011, R0903, W0232, W0621
 
 [DESIGN]
 max-complexity=5

CHANGELOG.md

@@ -54,6 +54,7 @@ All notable, unreleased changes to this project will be documented in this file.
 - Reduce the time of tests execution by using dummy password hasher - #4083 by @korycins
 - Add migrations since unnecessary indexes are removed in mptt model in [django-mptt/django-mptt#578](https://github.com/django-mptt/django-mptt/pull/578) - #4071 by @jxltom
 - Update order events and order email events names in typescripts - #4089 by @jxltom
+- Migrated code style to Black. Saleor now includes configurations and tools related to use black. - #3852 by krzysztofwolski and NyanKiyoshi
 
 
 ## 2.5.0

Pipfile

@@ -22,7 +22,7 @@ django-graphql-jwt = ">=0.1.13"
 django-impersonate = ">=1.3"
 django-measurement = "==3.0.0"
 django-mptt = ">=0.7.1"
-django-phonenumber-field = ">=1.3.0"
+django-phonenumber-field = ">=1.3.0,<2.4.0"
 django-prices = ">=1.0.2"
 django-prices-openexchangerates = ">=1.0.0"
 django-prices-vatlayer = ">=1.0.2"
@@ -47,16 +47,16 @@ graphene-django = ">=2.2"
 Markdown = ">=2.4"
 maxminddb = "*"
 "maxminddb-geolite2" = "*"
-phonenumberslite = ">=8.9.1"
+phonenumberslite = ">=8.9.1,<8.10.10"
 prices = ">=1.0.0"
 "psycopg2-binary" = ">=2.7"
 purl = ">=0.4.1"
 raven = "==6.9.0"
 requests = ">=1.2.0"
 social-auth-app-django = ">=2.0.0"
 text-unidecode = "*"
-uwsgi = {version = ">=2.0.0", platform_system = "!= 'Windows'"}
-celery = {version = ">=4.3", extras = ["redis"]}
+uwsgi = {version = ">=2.0.0",platform_system = "!= 'Windows'"}
+celery = {version = ">=4.3",extras = ["redis"]}
 redis = "<4.0"
 kombu = "<5.0.0"
 weasyprint = ">=0.42.2"
@@ -65,7 +65,7 @@ braintree = "==3.49.0"
 razorpay = ">=1.1.1"
 stripe = "*"
 "urllib3" = "*"
-"dataclasses" = {version = "*", markers="python_version < '3.7'"}
+dataclasses = {version = "*",markers = "python_version < '3.7'"}
 
 [dev-packages]
 pytest = "*"
@@ -87,3 +87,5 @@ yapf = "*"
 django-extensions = "*"
 pylint-plugin-utils = "*"
 transifex-client = "*"
+black = "==19.3b0"
+pre-commit = "*"