Switch to setuptools-scm.

.gitignore

@@ -10,3 +10,4 @@ htmlcov/
 *.pyc
 dist/
 tests/docs/_build/
+.eggs/

configurations/__init__.py

@@ -1,8 +1,8 @@
-# flake8: noqa
-from .base import Configuration
-from .decorators import pristinemethod
+from .base import Configuration  # noqa
+from .decorators import pristinemethod  # noqa
+from .version import __version__  # noqa
+
 
-__version__ = '2.1'
 __all__ = ['Configuration', 'pristinemethod']
 
 

configurations/importer.py

@@ -128,8 +128,8 @@ def stylize(text):
                     and os.environ.get('RUN_MAIN') == 'true'):
 
                 message = ("django-configurations version {0}, using "
-                           "configuration '{1}'".format(__version__,
-                                                        self.name))
+                           "configuration {1}".format(__version__ or "",
+                                                      self.name))
                 self.logger.debug(stylize(message))
 
     def find_module(self, fullname, path=None):

configurations/version.py

@@ -0,0 +1,7 @@
+from pkg_resources import get_distribution, DistributionNotFound
+
+try:
+    __version__ = get_distribution(__name__).version
+except DistributionNotFound:
+    # package is not installed
+    __version__ = None

docs/changes.rst

@@ -18,7 +18,8 @@ v2.2 (2019-12-03)
 
 - Replace ``django.utils.six`` with ``six`` to support Django >= 3.
 
-- Start using tox-travis for simplified test harness management.
+- Start using tox-travis and setuptools-scm for simplified test harness
+  and release management.
 
 v2.1 (2018-08-16)
 ^^^^^^^^^^^^^^^^^

docs/conf.py

@@ -14,6 +14,8 @@
 import sys
 import os
 
+from pkg_resources import get_distribution
+
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
 # documentation root, use os.path.abspath to make it absolute, like shown here.
@@ -48,14 +50,10 @@
 # |version| and |release|, also used in various other places throughout the
 # built documents.
 #
-try:
-    from configurations import __version__
-    # The short X.Y version.
-    version = '.'.join(__version__.split('.')[:2])
-    # The full version, including alpha/beta/rc tags.
-    release = __version__
-except ImportError:
-    version = release = 'dev'
+# The full version, including alpha/beta/rc tags.
+release = get_distribution("django-configurations").version
+# The short X.Y version.
+version = ".".join(release.split(".")[:2])
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.

setup.cfg

@@ -9,5 +9,5 @@ parallel = 1
 include = configurations/*,tests/*
 
 [flake8]
-exclude = .tox,docs/*
+exclude = .tox,docs/*,.eggs
 ignore = E501,E127,E128,E124,W503

setup.py

@@ -1,34 +1,19 @@
 from __future__ import print_function
-import ast
 import os
 import codecs
 from setuptools import setup
 
 
-class VersionFinder(ast.NodeVisitor):
-    def __init__(self):
-        self.version = None
-
-    def visit_Assign(self, node):
-        if node.targets[0].id == '__version__':
-            self.version = node.value.s
-
-
 def read(*parts):
     filename = os.path.join(os.path.dirname(__file__), *parts)
     with codecs.open(filename, encoding='utf-8') as fp:
         return fp.read()
 
 
-def find_version(*parts):
-    finder = VersionFinder()
-    finder.visit(ast.parse(read(*parts)))
-    return finder.version
-
-
 setup(
     name="django-configurations",
-    version=find_version("configurations", "__init__.py"),
+    use_scm_version={"version_scheme": "post-release", "local_scheme": "dirty-tag"},
+    setup_requires=["setuptools_scm"],
     url='https://django-configurations.readthedocs.io/',
     license='BSD',
     description="A helper for organizing Django settings.",