Use setuptools_scm to get a valid version string

spydrnet/release.py

@@ -94,7 +94,7 @@ def _get_second_period_index(string_value):
 def update_versionfile():
     import datetime
     import time
-    import subprocess
+    import setuptools_scm
 
     global version
     global date
@@ -104,30 +104,13 @@ def update_versionfile():
     )
     date = time.asctime(date_info.timetuple())
 
-    # check for git on path
-    git_exists = False
-    for path in os.environ["PATH"].split(os.pathsep):
-        exe_file = Path(path, "git")
-        if Path(exe_file).is_file() and os.access(exe_file, os.X_OK):
-            git_exists = True
-        else:
-            exe_file = Path(path, "git.exe")
-            if Path(exe_file).is_file() and os.access(exe_file, os.X_OK):
-                git_exists = True
-
-    if git_exists:
-        git_subprocess = subprocess.Popen(
-            "git describe", shell=True, cwd=directory, stdout=subprocess.PIPE
-        )
-        git_describe_output = git_subprocess.stdout.read().decode()
-
-        git_version = git_describe_output.strip()
-        if git_version.startswith("v"):
-            version_file = Path(directory, "VERSION")
-            with open(version_file, "w") as fh:
-                fh.write(git_version + "\n")
-                fh.write(date + "\n")
-            version = git_version[1:]
+    git_version = setuptools_scm.get_version()
+
+    version_file = Path(directory, "VERSION")
+    with open(version_file, "w") as fh:
+        fh.write(git_version + "\n")
+        fh.write(date + "\n")
+    version = git_version
 
     return version