Single-source version number

PFERD/__init__.py

@@ -1,43 +0,0 @@
-import argparse
-import asyncio
-from pathlib import Path
-
-from .config import Config, ConfigDumpException, ConfigLoadException
-from .pferd import Pferd
-
-
-def main() -> None:
-    parser = argparse.ArgumentParser()
-    parser.add_argument(
-        "--config", "-c",
-        type=Path,
-        metavar="PATH",
-        help="specify custom config file path",
-    )
-    parser.add_argument(
-        "--dump-config",
-        nargs="?",
-        const=True,
-        type=Path,
-        metavar="PATH",
-        help="dump current configuration to a file and exit."
-        " Uses default config file path if no path is specified",
-    )
-    args = parser.parse_args()
-
-    try:
-        config_parser = Config.load_parser(args.config)
-        config = Config(config_parser)
-    except ConfigLoadException:
-        exit(1)
-
-    if args.dump_config:
-        path = None if args.dump_config is True else args.dump_config
-        try:
-            config.dump(path)
-        except ConfigDumpException:
-            exit(1)
-        exit()
-
-    pferd = Pferd(config)
-    asyncio.run(pferd.run())

PFERD/__main__.py

@@ -0,0 +1,43 @@
+import argparse
+import asyncio
+from pathlib import Path
+
+from .config import Config, ConfigDumpException, ConfigLoadException
+from .pferd import Pferd
+
+
+def main() -> None:
+    parser = argparse.ArgumentParser()
+    parser.add_argument(
+        "--config", "-c",
+        type=Path,
+        metavar="PATH",
+        help="specify custom config file path",
+    )
+    parser.add_argument(
+        "--dump-config",
+        nargs="?",
+        const=True,
+        type=Path,
+        metavar="PATH",
+        help="dump current configuration to a file and exit."
+        " Uses default config file path if no path is specified",
+    )
+    args = parser.parse_args()
+
+    try:
+        config_parser = Config.load_parser(args.config)
+        config = Config(config_parser)
+    except ConfigLoadException:
+        exit(1)
+
+    if args.dump_config:
+        path = None if args.dump_config is True else args.dump_config
+        try:
+            config.dump(path)
+        except ConfigDumpException:
+            exit(1)
+        exit()
+
+    pferd = Pferd(config)
+    asyncio.run(pferd.run())

PFERD/version.py

@@ -0,0 +1 @@
+__version__ = "3.0.0"

setup.cfg

@@ -1,6 +1,6 @@
 [metadata]
 name = PFERD
-version = 3.0.0
+version = attr: PFERD.version.__version__
 
 [options]
 packages = PFERD
@@ -12,4 +12,4 @@ install_requires =
 
 [options.entry_points]
 console_scripts =
-  pferd = PFERD:main
+  pferd = PFERD.__main__:main