added --version as new parameter

fixes bug 1056504
Change-Id: Ib28e3941006b46553001d7895d5ddf4b0f9c540d

glanceclient/__init__.py

@@ -23,6 +23,23 @@ except ImportError:
     import warnings
     warnings.warn("Could not import glanceclient.client", ImportWarning)
 
-import glanceclient.version
+import os
+import inspect
 
-__version__ = glanceclient.version.version_info.deferred_version_string()
+
+def _get_client_version():
+    """Read version from versioninfo file."""
+    mod_abspath = inspect.getabsfile(inspect.currentframe())
+    client_path = os.path.dirname(mod_abspath)
+    version_path = os.path.join(client_path, 'versioninfo')
+
+    if os.path.exists(version_path):
+        version = open(version_path).read().strip()
+    else:
+        version = "Unknown, couldn't find versioninfo file at %s"\
+                  % version_path
+
+    return version
+
+
+__version__ = _get_client_version()