Use setuptools_scm for easier version handling

Author: blueyed

.gitignore

@@ -1 +1,2 @@
 build/
+covimerage/__version__.py

covimerage/__init__.py

@@ -21,6 +21,11 @@
 RE_SNR_PREFIX = re.compile(r'^<SNR>\d+_')
 
 
+def get_version():
+    from covimerage.__version__ import version
+    return version
+
+
 @attr.s
 class Line(object):
     """A source code line."""

covimerage/__version__.py

@@ -3,8 +3,7 @@
 
 import click
 
-from . import DEFAULT_COVERAGE_DATA_FILE, MergedProfiles, Profile
-from .__version__ import __version__
+from . import DEFAULT_COVERAGE_DATA_FILE, MergedProfiles, Profile, get_version
 from .coveragepy import CoverageWrapper
 from .exceptions import CustomClickException
 from .logger import logger
@@ -16,7 +15,7 @@ def default_loglevel():
 
 
 @click.group(context_settings={'help_option_names': ['-h', '--help']})
-@click.version_option(__version__, '-V', '--version', prog_name='covimerage')
+@click.version_option(get_version(), '-V', '--version', prog_name='covimerage')
 @click.option('-v', '--verbose', count=True, help='Increase verbosity.')
 @click.option('-q', '--quiet', count=True, help='Decrease verbosity.')
 @click.option('-l', '--loglevel', show_default=True,

covimerage/cli.py

@@ -19,12 +19,6 @@ def read(fname):
         return f.read()
 
 
-# Load the package's __version__.py module as a dictionary.
-about = {}
-with open(os.path.join(here, 'covimerage', '__version__.py')) as f:
-    exec(f.read(), about)
-
-
 class PublishCommand(Command):
     """Support setup.py publish."""
 
@@ -72,7 +66,6 @@ def run(self):
 
 setup(
     name='covimerage',
-    version=about['__version__'],
     description='Generate coverage information for Vim scripts.',
     long_description=read('README.md'),
     long_description_content_type='text/markdown',
@@ -82,6 +75,12 @@ def run(self):
     entry_points={
         'console_scripts': ['covimerage=covimerage.cli:main'],
     },
+    use_scm_version={
+        'write_to': 'covimerage/__version__.py',
+    },
+    setup_requires=[
+        'setuptools_scm',
+    ],
     install_requires=[
         'attrs',
         'click',

setup.py

@@ -4,8 +4,7 @@
 
 import pytest
 
-from covimerage import DEFAULT_COVERAGE_DATA_FILE, cli
-from covimerage.__version__ import __version__
+from covimerage import DEFAULT_COVERAGE_DATA_FILE, cli, get_version
 from covimerage._compat import StringIO
 
 
@@ -18,7 +17,7 @@ def test_dunder_main_run(capfd):
 def test_dunder_main_run_help(capfd):
     assert call([sys.executable, '-m', 'covimerage', '--version']) == 0
     out, err = capfd.readouterr()
-    assert out == 'covimerage, version %s\n' % __version__
+    assert out == 'covimerage, version %s\n' % get_version()
 
 
 def test_cli(runner, tmpdir):
@@ -38,7 +37,7 @@ def test_cli(runner, tmpdir):
 @pytest.mark.parametrize('arg', ('-V', '--version'))
 def test_cli_version(arg, runner):
     result = runner.invoke(cli.main, [arg])
-    assert result.output == 'covimerage, version %s\n' % __version__
+    assert result.output == 'covimerage, version %s\n' % get_version()
     assert result.exit_code == 0
 
 
@@ -238,7 +237,7 @@ def test_cli_run_report_fd(capfd, tmpdir, devnull):
 def test_cli_call(capfd):
     assert call(['covimerage', '--version']) == 0
     out, err = capfd.readouterr()
-    assert out == 'covimerage, version %s\n' % __version__
+    assert out == 'covimerage, version %s\n' % get_version()
 
     assert call(['covimerage', '--help']) == 0
     out, err = capfd.readouterr()