Switch to black formatting

Author: sdispater

.pre-commit-config.yaml

@@ -0,0 +1,6 @@
+repos:
+-   repo: https://github.com/ambv/black
+    rev: stable
+    hooks:
+    - id: black
+      python_version: python3.6

.travis.yml

@@ -1,6 +1,15 @@
 language: python
 
-matrix:
+stages:
+  - linting
+  - test
+
+cache:
+  pip: true
+  directories:
+    - $HOME/.cache/pypoetry
+
+jobs:
   fast_finish: true
   include:
     - python: 2.7
@@ -25,15 +34,18 @@ matrix:
       env: PENDULUM_EXTENSIONS=0
     - python: pypy
     - python: pypy3
+
+    - stage: linting
+      python: "3.6"
+      install:
+        - pip install pre-commit
+        - pre-commit install-hooks
+      script:
+        - pre-commit run --all-files
   allow_failures:
     - python: pypy
     - python: pypy3
 
-cache:
-  pip: true
-  directories:
-    - $HOME/.cache/pypoetry
-
 before_install:
   - pip install codecov
 

build.py

@@ -4,27 +4,24 @@
 
 from distutils.core import Extension
 
-from distutils.errors import (CCompilerError, DistutilsExecError,
-                              DistutilsPlatformError)
+from distutils.errors import CCompilerError, DistutilsExecError, DistutilsPlatformError
 from distutils.command.build_ext import build_ext
 
 
 # C Extensions
-with_extensions = os.getenv('PENDULUM_EXTENSIONS', None)
+with_extensions = os.getenv("PENDULUM_EXTENSIONS", None)
 
-if with_extensions == '1' or with_extensions is None:
+if with_extensions == "1" or with_extensions is None:
     with_extensions = True
 
-if with_extensions == '0' or hasattr(sys, 'pypy_version_info'):
+if with_extensions == "0" or hasattr(sys, "pypy_version_info"):
     with_extensions = False
 
 extensions = []
 if with_extensions:
     extensions = [
-        Extension('pendulum._extensions._helpers',
-                  ['pendulum/_extensions/_helpers.c']),
-        Extension('pendulum.parsing._iso8601',
-                  ['pendulum/parsing/_iso8601.c']),
+        Extension("pendulum._extensions._helpers", ["pendulum/_extensions/_helpers.c"]),
+        Extension("pendulum.parsing._iso8601", ["pendulum/parsing/_iso8601.c"]),
     ]
 
 
@@ -40,39 +37,23 @@ def run(self):
         try:
             build_ext.run(self)
         except (DistutilsPlatformError, FileNotFoundError):
-            print(
-                "************************************************************"
-            )
-            print(
-                "Cannot compile C accelerator module, use pure python version"
-            )
-            print(
-                "************************************************************"
-            )
+            print("************************************************************")
+            print("Cannot compile C accelerator module, use pure python version")
+            print("************************************************************")
 
     def build_extension(self, ext):
         try:
             build_ext.build_extension(self, ext)
-        except (CCompilerError, DistutilsExecError,
-                DistutilsPlatformError, ValueError):
-            print(
-                "************************************************************"
-            )
-            print(
-                "Cannot compile C accelerator module, use pure python version"
-            )
-            print(
-                "************************************************************"
-            )
+        except (CCompilerError, DistutilsExecError, DistutilsPlatformError, ValueError):
+            print("************************************************************")
+            print("Cannot compile C accelerator module, use pure python version")
+            print("************************************************************")
 
 
 def build(setup_kwargs):
     """
     This function is mandatory in order to build the extensions.
     """
-    setup_kwargs.update({
-        'ext_modules': extensions,
-        'cmdclass': {
-            'build_ext': ExtBuilder
-        }
-})
+    setup_kwargs.update(
+        {"ext_modules": extensions, "cmdclass": {"build_ext": ExtBuilder}}
+    )