Optional version import

dbtmetabase/__init__.py

@@ -6,10 +6,11 @@
 from .metabase import MetabaseClient
 from .parsers.dbt_folder import DbtFolderReader
 from .parsers.dbt_manifest import DbtManifestReader
+from .utils import get_version
 
 from typing import Iterable, List, Union
 
-from ._version import version as __version__
+__version__ = get_version()
 
 
 def export(
@@ -122,6 +123,11 @@ def main(args: List = None):
     parser = argparse.ArgumentParser(
         description="Model synchronization from dbt to Metabase."
     )
+    parser.add_argument(
+        "--version",
+        action="version",
+        version=f"%(prog)s {__version__}",
+    )
     parser.add_argument("command", choices=["export"], help="command to execute")
 
     # dbt arguments

dbtmetabase/utils.py

@@ -0,0 +1,24 @@
+import logging
+import importlib.metadata
+
+
+def get_version() -> str:
+    """Checks _version.py or build metadata for package version.
+
+    Returns:
+        str: Version string.
+    """
+
+    try:
+        from ._version import version
+
+        return version
+    except ModuleNotFoundError:
+        logging.debug("No _version.py found")
+
+    try:
+        return importlib.metadata.version("dbt-metabase")
+    except importlib.metadata.PackageNotFoundError:
+        logging.warning("No version found in metadata")
+
+    return "0.0.0-UNKONWN"