Moved the packing of XML tree into NWTree, and added a function for formatting time stamps

nw/common.py

@@ -28,6 +28,10 @@
 import logging
 import nw
 
+from datetime import datetime
+
+from nw.constants import nwConst
+
 logger = logging.getLogger(__name__)
 
 def checkString(checkValue, defaultValue, allowNone=False):
@@ -122,6 +126,12 @@ def formatInt(theInt):
 
     return "%d" % theInt
 
+def formatTimeStamp(theTime, fileSafe=False):
+    if fileSafe:
+        return datetime.fromtimestamp(theTime).strftime(nwConst.fStampFmt)
+    else:
+        return datetime.fromtimestamp(theTime).strftime(nwConst.tStampFmt)
+
 def splitVersionNumber(vString):
     """ Splits a version string on the form aa.bb.cc into major, minor
     and patch, and computes an integer value aabbcc.