feat: add version.py as single source of truth for versioning

- Create src/modelscope_hub/version.py with default 0.0.0
- Update __init__.py to import from version.py
- Update pyproject.toml to use setuptools dynamic version

Author: wangxingjun778

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "modelscope-hub"
-version = "0.1.0"
+dynamic = ["version"]
 description = "An OpenAPI-first Python SDK for interacting with the ModelScope Hub platform."
 requires-python = ">=3.10"
 license = {text = "Apache-2.0"}
@@ -45,6 +45,9 @@ build-backend = "setuptools.build_meta"
 [tool.setuptools.packages.find]
 where = ["src"]
 
+[tool.setuptools.dynamic]
+version = {attr = "modelscope_hub.version.__version__"}
+
 [tool.ruff]
 target-version = "py313"
 line-length = 120

src/modelscope_hub/__init__.py

@@ -34,8 +34,7 @@
     RepoInfo,
     UserInfo,
 )
-
-__version__ = "0.1.0"
+from .version import __version__
 
 __all__ = [
     "__version__",

src/modelscope_hub/version.py

@@ -0,0 +1,3 @@
+"""Version information for modelscope-hub."""
+
+__version__ = "0.0.0"