X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/5764b83d10b4969ac99ec8c4d716670604b20e82..43a9015c4e82f3da58f7824694ac2ef1d80fca6c:/sdk/cwl/arvados_version.py

diff --git a/sdk/cwl/arvados_version.py b/sdk/cwl/arvados_version.py
index 006194935a..c3936617f0 100644
--- a/sdk/cwl/arvados_version.py
+++ b/sdk/cwl/arvados_version.py
@@ -6,6 +6,7 @@ import subprocess
 import time
 import os
 import re
+import sys
 
 SETUP_DIR = os.path.dirname(os.path.abspath(__file__))
 VERSION_PATHS = {
@@ -23,7 +24,7 @@ def choose_version_from():
 
     sorted_ts = sorted(ts.items())
     getver = sorted_ts[-1][1]
-    print("Using "+getver+" for version number calculation of "+SETUP_DIR)
+    print("Using "+getver+" for version number calculation of "+SETUP_DIR, file=sys.stderr)
     return getver
 
 def git_version_at_commit():
@@ -51,7 +52,11 @@ def get_version(setup_dir, module):
         try:
             save_version(setup_dir, module, git_version_at_commit())
         except (subprocess.CalledProcessError, OSError) as err:
-            print("ERROR: {0}".format(err))
+            print("ERROR: {0}".format(err), file=sys.stderr)
             pass
 
     return read_version(setup_dir, module)
+
+# Called from calculate_python_sdk_cwl_package_versions() in run-library.sh
+if __name__ == '__main__':
+    print(get_version(SETUP_DIR, "arvados_cwl"))