Add version info

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "FastDTLmapper"
-version = "0.0.0"
+version = "0.3.3"
 description = "Fast genome-wide DTL(Duplication-Transfer-Loss) event mapping tool"
 authors = ["moshi"]
 license = "GPL-3.0-only"

src/fastdtlmapper/__init__.py

@@ -0,0 +1 @@
+__version__ = "0.3.3"

src/fastdtlmapper/args.py

@@ -10,6 +10,8 @@
 from pathlib import Path
 from typing import List, Optional, Union
 
+from fastdtlmapper import __version__
+
 
 @dataclass
 class Args:
@@ -86,7 +88,8 @@ def get_args(argv: Optional[List[str]] = None) -> Args:
         Args: Args Class
     """
     parser = argparse.ArgumentParser(
-        description="Fast genome-wide DTL event mapping tool"
+        description=f"Fast genome-wide DTL event mapping tool (v{__version__})",
+        add_help=False,
     )
 
     parser.add_argument(
@@ -169,6 +172,19 @@ def get_args(argv: Optional[List[str]] = None) -> Args:
         default=default_rseed,
         metavar="",
     )
+    parser.add_argument(
+        "-v",
+        "--version",
+        version=f"v{__version__}",
+        help="Print version information",
+        action="version",
+    )
+    parser.add_argument(
+        "-h",
+        "--help",
+        help="Show this help message and exit",
+        action="help",
+    )
     #######################################################
     # Hidden test option for developer
     #######################################################