bugfixed: support pcdet.__version__ for recording (#126)

* bugfixed: support pcdet.__version__ for recording

pcdet/__init__.py

+from pathlib import Path
+import subprocess
+
+from .version import __version__
+
+__all__ = [
+    '__version__'
+]
+
+
+def get_git_commit_number():
+    if not (Path(__file__).parent / '../.git').exists():
+        return '0000000'
+
+    cmd_out = subprocess.run(['git', 'rev-parse', 'HEAD'], stdout=subprocess.PIPE)
+    git_commit_number = cmd_out.stdout.decode('utf-8')[:7]
+    return git_commit_number
+
+
+script_version = get_git_commit_number()
+
+
+if script_version not in __version__:
+    __version__ = __version__ + '+py%s' % script_version
+