Enable Incremental build For Generated Files

1 files changed, 48 insertions, 0 deletions

diff --git a/src/scripts/Utilities.py b/src/scripts/Utilities.py
new file mode 100644
index 0000000000..0de1cafdbd
--- /dev/null
+++ b/src/scripts/Utilities.py
@@ -0,0 +1,48 @@
+from filecmp import dircmp
+import shutil
+import os
+
+def walk_recursively_and_update(dcmp):
+    #for different Files Copy from right to left
+    for name in dcmp.diff_files:
+        srcpath = dcmp.right + "/" + name
+        destpath = dcmp.left + "/" + name
+        print "Updating %s" % (destpath)
+        if  os.path.isfile(srcpath):
+            shutil.copyfile(srcpath, destpath)
+        else :
+            raise Exception("path: " + srcpath + "is neither a file or folder")
+
+    #copy right only files
+    for name in dcmp.right_only:
+        srcpath = dcmp.right + "/" + name
+        destpath = dcmp.left + "/" + name
+        print "Updating %s" % (destpath)
+        if  os.path.isfile(srcpath):
+            shutil.copyfile(srcpath, destpath)
+        elif  os.path.isdir(srcpath):
+            shutil.copytree(srcpath, destpath)
+        else :
+            raise Exception("path: " + srcpath + "is neither a file or folder")
+
+    #delete left only files
+    for name in dcmp.left_only:
+        path = dcmp.left + "/" + name
+        print "Deleting " % (path)
+        if  os.path.isfile(path):
+            os.remove(path)
+        elif  os.path.isdir(path):
+            shutil.rmtree(path)
+        else :
+            raise Exception("path: " + path + "is neither a file or folder")
+
+    #call recursively
+    for sub_dcmp in dcmp.subdirs.values():
+        walk_recursively_and_update(sub_dcmp)
+
+def UpdateDirectory(destpath,srcpath):
+
+    if not os.path.exists(destpath):
+        os.makedirs(destpath)
+    dcmp = dircmp(destpath,srcpath)
+    walk_recursively_and_update(dcmp)