Add version option to cli and dynamic versioning (linkml#144)

* Add version option to cli and dynamic versioning

* Set same auto-versioning style as in LinkML

pyproject.toml

@@ -68,8 +68,13 @@ lxml = ">=4.9.1"
 llm = ">=0.12"
 
 [build-system]
-requires = ["poetry-core>=1.0.0"]
-build-backend = "poetry.core.masonry.api"
+requires = ["poetry-core>=1.0.0", "poetry-dynamic-versioning>=1.0.0,<2.0.0"]
+build-backend = "poetry_dynamic_versioning.backend"
+
+[tool.poetry-dynamic-versioning]
+enable = true
+vcs = "git"
+style = "pep440"
 
 [tool.poetry.scripts]
 schemauto = "schema_automator.cli:main"

schema_automator/__init__.py

@@ -1,3 +1,11 @@
+from importlib import metadata
+
 from schema_automator.annotators import *
 from schema_automator.importers import *
 from schema_automator.generalizers import *
+
+try:
+    __version__ = metadata.version(__package__)
+except metadata.PackageNotFoundError:
+    # package is not installed
+    __version__ = "0.0.0"  # pragma: no cover

schema_automator/cli.py

@@ -33,6 +33,7 @@
 from schema_automator.importers.sql_import_engine import SqlImportEngine
 from schema_automator.importers.tabular_import_engine import TableImportEngine
 from schema_automator.utils.schemautils import write_schema
+from schema_automator import __version__
 
 input_option = click.option(
     "-i",
@@ -80,6 +81,7 @@
               help="Set the level of verbosity")
 @click.option("-q", "--quiet",
               help="Silence all diagnostics")
+@click.version_option(__version__, "-V", "--version")
 def main(verbose: int, quiet: bool):
     """Run the LinkML Schema Automator Command Line.