Move create_instance and other helpers to utils

Signed-off-by: Tushar Gohad <tushar.gohad@intel.com>

2 files changed, 41 insertions, 39 deletions

diff --git a/src/python/pyeclib/ec_iface.py b/src/python/pyeclib/ec_iface.py
index dfa93e4..2da800a 100644
--- a/src/python/pyeclib/ec_iface.py
+++ b/src/python/pyeclib/ec_iface.py
@@ -24,8 +24,7 @@
 
 from enum import Enum
 from enum import unique
-import sys
-import traceback
+from utils import create_instance
 
 
 @unique
@@ -70,43 +69,6 @@ class ECDriverError(Exception):
         return self.error_str
 
 
-def import_class(import_str):
-    """
-    Returns a class from a string that specifies a module and/or class
-
-    :param import_str: import path, e.g. 'httplib.HTTPConnection'
-    :returns imported object
-    :raises: ImportedError if the class does not exist or the path is invalid
-    """
-    (mod_str, separator, class_str) = import_str.rpartition('.')
-    try:
-        __import__(mod_str)
-        return getattr(sys.modules[mod_str], class_str)
-    except (ValueError, AttributeError) as e:
-        raise ImportError('Class %s cannot be found (%)' %
-                          (class_str,
-                           traceback.format_exception(*sys.exc_info())))
-
-
-def create_instance(import_str, *args, **kwargs):
-    """
-    Returns instance of class which imported by import path.
-
-    :param import_str: import path of class
-    :param \*args: indexed arguments for new instance
-    :param \*\*kwargs: keyword arguments for new instance
-    :returns: instance of imported class which instantiated with
-    arguments *args and **kwargs
-    """
-    try:
-        object_class = import_class(import_str)
-    except Exception as e:
-        raise
-    instance = object_class(*args, **kwargs)
-
-    return instance
-
-
 class ECDriver(object):
 
     def __init__(self, library_import_str, *args, **kwargs):
diff --git a/src/python/pyeclib/utils.py b/src/python/pyeclib/utils.py
index 4d1206f..74c3933 100644
--- a/src/python/pyeclib/utils.py
+++ b/src/python/pyeclib/utils.py
@@ -22,6 +22,9 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+import sys
+import traceback
+
 
 def positive_int_value(param):
     # Returns value as a positive int or raises ValueError otherwise
@@ -33,3 +36,40 @@ def positive_int_value(param):
         # and AssertionError for values <= 0
         raise ValueError('Must be an integer > 0, not "%s".' % param)
     return value
+
+
+def import_class(import_str):
+    """
+    Returns a class from a string that specifies a module and/or class
+
+    :param import_str: import path, e.g. 'httplib.HTTPConnection'
+    :returns imported object
+    :raises: ImportedError if the class does not exist or the path is invalid
+    """
+    (mod_str, separator, class_str) = import_str.rpartition('.')
+    try:
+        __import__(mod_str)
+        return getattr(sys.modules[mod_str], class_str)
+    except (ValueError, AttributeError) as e:
+        raise ImportError('Class %s cannot be found (%)' %
+                          (class_str,
+                           traceback.format_exception(*sys.exc_info())))
+
+
+def create_instance(import_str, *args, **kwargs):
+    """
+    Returns instance of class which imported by import path.
+
+    :param import_str: import path of class
+    :param \*args: indexed arguments for new instance
+    :param \*\*kwargs: keyword arguments for new instance
+    :returns: instance of imported class which instantiated with
+    arguments *args and **kwargs
+    """
+    try:
+        object_class = import_class(import_str)
+    except Exception as e:
+        raise
+    instance = object_class(*args, **kwargs)
+
+    return instance