1 files changed, 50 insertions, 0 deletions
diff --git a/reduce.py b/reduce.py
new file mode 100644
index 0000000..1aa0f39
--- /dev/null
+++ b/reduce.py
@@ -0,0 +1,50 @@
+#!/usr/bin/python3
+import os
+import os.path
+import sys
+from myconfig import MyConfig
+
+
+config = MyConfig()
+
+def read_file(infile):
+    with open(infile, 'r') as f:
+        data = ''.join(f.readlines())
+    f.close()
+    return data
+
+def handleError(error):
+    sys.exit(error)
+
+def mergeSubIndex(output, path):
+    for root, dirs, files in os.walk(path, topdown=True, onerror=handleError):
+        for onefile in files:
+            filepath = os.path.join(root, onefile)
+            if onefile.endswith(config.getIndexPostfix()):
+                data = read_file(filepath)
+                output.writelines([data, os.linesep])
+            else:
+                print('Unexpected file:' + filepath)
+                
+
+def iterateSubDirectory(oldroot, newroot, level):
+    #Merge the index in oldroot
+    if level <= 0 :
+        newindex = newroot + config.getIndexPostfix()
+        os.makedirs(os.path.dirname(newindex), exist_ok=True)
+        newindexfile = open(newindex, 'a')
+        mergeSubIndex(newindexfile, oldroot)
+        newindexfile.close()
+    #Recursive into the sub directories
+    for onedir in os.listdir(oldroot):
+        olddir = os.path.join(oldroot, onedir)
+        newdir = os.path.join(newroot, onedir)
+        if not os.path.isdir(olddir):
+            sys.exit('Un-expected file:' + olddir)
+        else:
+            iterateSubDirectory(olddir, newdir, level - 1)
+
+
+#test case
+if __name__ == '__main__':
+    pass