+env_version = os.environ.get("ARVADOS_BUILDING_VERSION")
+
+def save_version(module, v):
+ with open(os.path.join(SETUP_DIR, module, "_version.py"), 'w') as fp:
+ return fp.write("__version__ = '%s'\n" % v)
+
+def read_version(module):
+ with open(os.path.join(SETUP_DIR, module, "_version.py"), 'r') as fp:
+ return re.match("__version__ = '(.*)'$", fp.read()).groups()[0]
+
+if env_version:
+ save_version("arvados", env_version)
+else:
+ try:
+ import arvados_version
+ vtag = arvados_version.VersionInfoFromGit()
+ save_version("arvados", vtag.git_latest_tag() + vtag.git_timestamp_tag())
+ except ImportError:
+ pass
+
+version = read_version("arvados")