Update version number to be PEP 440 compliant (#18)

* Make version # PEP 440 compliant

* Fix version CLI test

.environment.yml

@@ -6,7 +6,6 @@ dependencies:
   - ffmpeg
   - obspy
   - pip
-  - setuptools<58.4.0  # https://github.com/pypa/setuptools/issues/2497
   - tqdm
 # Lines above should be IDENTICAL to environment.yml
   - black

environment.yml

@@ -6,7 +6,6 @@ dependencies:
   - ffmpeg
   - obspy
   - pip
-  - setuptools<58.4.0  # https://github.com/pypa/setuptools/issues/2497
   - tqdm
   - pip:
     - --editable .

sonify/__init__.py

@@ -1,18 +1,21 @@
 import subprocess
 from pathlib import Path
 
-__version__ = subprocess.run(
-    [
-        'git',
-        '-C',
-        Path(__file__).resolve().parent,
-        'rev-parse',
-        '--short=7',
-        'HEAD',
-    ],
-    capture_output=True,
-    text=True,
-).stdout.strip()
+__version__ = (
+    '0+g'  # Makes the version number PEP 440 compliant
+    + subprocess.run(
+        [
+            'git',
+            '-C',
+            Path(__file__).resolve().parent,
+            'rev-parse',
+            '--short=7',  # First 7 characters of the commit hash
+            'HEAD',
+        ],
+        capture_output=True,
+        text=True,
+    ).stdout.strip()
+)
 
 del subprocess
 del Path

tests/test_cli.py

@@ -15,4 +15,4 @@ def test_cli_version():
     output = subprocess.run(
         ['sonify', '--version'], capture_output=True, text=True
     ).stdout.strip()
-    assert output == 'sonify, rev. {}'.format(os.environ['GITHUB_SHA'][:7])
+    assert output == 'sonify, rev. 0+g{}'.format(os.environ['GITHUB_SHA'][:7])