Add support for python 3.7 (#324)

* Add support for python 3.7

* Import Set from collections.abc instead of collections

Importing abstract base classes from collections is deprecated since
Python 3.7, see https://bugs.python.org/issue25988.

Author: michael-k

.appveyor.yml

@@ -4,11 +4,13 @@ environment:
     - TOXENV: "py34-tests"
     - TOXENV: "py35-tests"
     - TOXENV: "py36-tests"
+    - TOXENV: "py37-tests"
     - TOXENV: "pypy-tests"
     - TOXENV: "py27-install"
     - TOXENV: "py34-install"
     - TOXENV: "py35-install"
     - TOXENV: "py36-install"
+    - TOXENV: "py37-install"
     - TOXENV: "pypy-install"
     - TOXENV: "docs"
 

.travis.yml

@@ -17,6 +17,10 @@ matrix:
       env: TOXENV=py35-tests
     - python: 3.6
       env: TOXENV=py36-tests
+    - python: 3.7
+      dist: xenial
+      sudo: required
+      env: TOXENV=py37-tests
     - python: pypy
       env: TOXENV=pypy-tests
     - python: 2.7
@@ -27,6 +31,10 @@ matrix:
       env: TOXENV=py35-install
     - python: 3.6
       env: TOXENV=py36-install
+    - python: 3.7
+      dist: xenial
+      sudo: required
+      env: TOXENV=py37-install
     - python: pypy
       env: TOXENV=pypy-install
     - python: 2.7

README.rst

@@ -25,7 +25,7 @@ docstring conventions.
 `PEP 257 <http://www.python.org/dev/peps/pep-0257/>`_ out of the box, but it
 should not be considered a reference implementation.
 
-**pydocstyle** supports Python 2.7, 3.4, 3.5, 3.6 and pypy.
+**pydocstyle** supports Python 2.7, 3.4, 3.5, 3.6, 3.7, and pypy.
 
 Quick Start
 -----------

docs/index.rst

@@ -8,7 +8,7 @@ docstring conventions.
 `PEP 257 <http://www.python.org/dev/peps/pep-0257/>`_ out of the box, but it
 should not be considered a reference implementation.
 
-**pydocstyle** supports Python 2.7, 3.4, 3.5, 3.6 and pypy.
+**pydocstyle** supports Python 2.7, 3.4, 3.5, 3.6, 3.7, and pypy.
 
 
 .. include:: quickstart.rst

docs/release_notes.rst

@@ -16,6 +16,7 @@ New features
 * Violations are now reported on the line where the docstring starts, not the
   line of the ``def``/``class`` it corresponds to (#238, #83).
 * Updated description of pep257 and numpy conventions (#300).
+* Added support for Python 3.7 (#324).
 
 Bug Fixes
 

setup.py

@@ -36,6 +36,7 @@
         'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
+        'Programming Language :: Python :: 3.7',
         'Operating System :: OS Independent',
         'License :: OSI Approved :: MIT License',
     ],

src/pydocstyle/config.py

@@ -3,7 +3,7 @@
 import copy
 import itertools
 import os
-from collections import Set, namedtuple
+from collections import namedtuple
 from re import compile as re
 
 
@@ -13,6 +13,12 @@
 from .utils import __version__, log
 from .violations import ErrorRegistry, conventions
 
+try:
+    from collections.abc import Set
+except ImportError:
+    # python 2.7
+    from collections import Set
+
 
 def check_initialized(method):
     """Check that the configuration object was initialized."""

tox.ini

@@ -4,7 +4,7 @@
 # install tox" and then run "tox" from this directory.
 
 [tox]
-envlist = {py27, py34, py35, py36, pypy}-{tests, install}, docs
+envlist = {py27, py34, py35, py36, py37, pypy}-{tests, install}, docs
 
 [testenv]
 # Make sure reading the UTF-8 from test.py works regardless of the locale used.
@@ -39,6 +39,10 @@ commands = {[testenv:py27-install]commands}
 skip_install = {[testenv:py27-install]skip_install}
 commands = {[testenv:py27-install]commands}
 
+[testenv:py37-install]
+skip_install = {[testenv:py27-install]skip_install}
+commands = {[testenv:py27-install]commands}
+
 [testenv:pypy-install]
 skip_install = {[testenv:py27-install]skip_install}
 commands = {[testenv:py27-install]commands}