fixed version issues and added missing build requirements to toml

Author: phflot

pyproject.toml

@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools>=61", "wheel"]
+requires = ["setuptools>=80", "wheel", "setuptools-scm>=8"]
 build-backend = "setuptools.build_meta"
 
 [project]

src/flowreg3d/__init__.py

@@ -1,3 +1,8 @@
 from flowreg3d.core.optical_flow_3d import get_displacement
 
 __all__ = ["get_displacement"]
+
+try:
+    from ._version import version as __version__
+except ImportError:
+    __version__ = "0.0.0+unknown"

src/flowreg3d/cli/main.py

@@ -6,6 +6,20 @@
 
 import argparse
 import sys
+from importlib import metadata as importlib_metadata
+
+
+def _get_cli_version() -> str:
+    """Resolve package version for CLI display."""
+    try:
+        return importlib_metadata.version("flowreg3d")
+    except importlib_metadata.PackageNotFoundError:
+        try:
+            from flowreg3d._version import version as scm_version
+
+            return scm_version
+        except Exception:
+            return "0.0.0+unknown"
 
 
 def main():
@@ -30,7 +44,9 @@ def main():
         """,
     )
 
-    parser.add_argument("--version", action="version", version="%(prog)s 0.1.0")
+    parser.add_argument(
+        "--version", action="version", version=f"%(prog)s {_get_cli_version()}"
+    )
 
     parser.add_argument(
         "--verbose", "-v", action="store_true", help="Enable verbose output"

tests/cli/test_main.py

@@ -12,7 +12,7 @@
 from pathlib import Path
 import numpy as np
 
-from flowreg3d.cli.main import main
+from flowreg3d.cli.main import main, _get_cli_version
 from flowreg3d.util.io.tiff_3d import TIFFFileWriter3D
 
 
@@ -48,7 +48,7 @@ def test_main_version(self):
                 assert exc_info.value.code == 0
                 output = mock_stdout.getvalue()
                 assert "flowreg3d" in output
-                assert "0.1.0" in output  # Check version number
+                assert _get_cli_version() in output
 
     def test_main_verbose_flag(self):
         """Test verbose flag is recognized."""