diff --git a/tools/dct/DrvGen.py b/tools/dct/DrvGen.py
index 6a1e5ba3..45c66f1b 100755
--- a/tools/dct/DrvGen.py
+++ b/tools/dct/DrvGen.py
@@ -1,4 +1,4 @@
-#! /usr/bin/python
+#! /usr/bin/python3
 
 import os, sys
 import getopt
@@ -19,7 +19,7 @@ from utility.util import LogLevel
 from utility.util import log
 
 def usage():
-    print '''
+    print('''
 usage: DrvGen [dws_path] [file_path] [log_path] [paras]...
 
 options and arguments:
@@ -28,7 +28,7 @@ dws_path    :    dws file path
 file_path   :    where you want to put generated files
 log_path    :    where to store the log files
 paras        :    parameter for generate wanted file
-'''
+''')
 
 def is_oldDws(path, gen_spec):
     if not os.path.exists(path):
@@ -37,7 +37,7 @@ def is_oldDws(path, gen_spec):
 
     try:
         root = xml.dom.minidom.parse(dws_path)
-    except Exception, e:
+    except Exception as e:
         log(LogLevel.warn, '%s is not xml format, try to use old DCT!' %(dws_path))
         if len(gen_spec) == 0:
             log(LogLevel.warn, 'Please use old DCT UI to gen all files!')
diff --git a/tools/dct/data/EintData.py b/tools/dct/data/EintData.py
index 79f1c53e..5f9baa86 100755
--- a/tools/dct/data/EintData.py
+++ b/tools/dct/data/EintData.py
@@ -59,7 +59,7 @@ class EintData:
     def get_modeName(gpio_num, mode_idx):
         key = 'gpio%s' %(gpio_num)
 
-        if key in EintData._mode_map.keys():
+        if key in list(EintData._mode_map.keys()):
             list =  EintData._mode_map[key]
             if mode_idx < len(list) and mode_idx >= 0:
                 return list[mode_idx]
@@ -68,7 +68,7 @@ class EintData:
 
     @staticmethod
     def set_modeMap(map):
-        for (key, value) in map.items():
+        for (key, value) in list(map.items()):
             list = []
             for item in value:
                 list.append(item[6:len(item)-1])
@@ -83,7 +83,7 @@ class EintData:
     @staticmethod
     def get_gpioNum(num):
         if len(EintData._map_table):
-            for (key,value) in EintData._map_table.items():
+            for (key,value) in list(EintData._map_table.items()):
                 if num == value:
                     return key
 
diff --git a/tools/dct/data/GpioData.py b/tools/dct/data/GpioData.py
index 26f40192..9989cdb0 100755
--- a/tools/dct/data/GpioData.py
+++ b/tools/dct/data/GpioData.py
@@ -113,7 +113,7 @@ class GpioData:
 
     @staticmethod
     def get_modeName(key, idx):
-        if key in GpioData._modeMap.keys():
+        if key in list(GpioData._modeMap.keys()):
             value = GpioData._modeMap[key]
             return value[idx]
 
diff --git a/tools/dct/data/KpdData.py b/tools/dct/data/KpdData.py
index 445b2277..fb670b0b 100755
--- a/tools/dct/data/KpdData.py
+++ b/tools/dct/data/KpdData.py
@@ -141,7 +141,7 @@ class KpdData:
 
     @staticmethod
     def get_keyVal(key):
-        if key in KpdData._keyValueMap.keys():
+        if key in list(KpdData._keyValueMap.keys()):
             return KpdData._keyValueMap[key]
 
         return 0
diff --git a/tools/dct/obj/AdcObj.py b/tools/dct/obj/AdcObj.py
index f4528e70..7bcf7952 100755
--- a/tools/dct/obj/AdcObj.py
+++ b/tools/dct/obj/AdcObj.py
@@ -61,7 +61,7 @@ class AdcObj(ModuleObj):
 
         # sort by the key, or the sequence is dissorted
         #sorted_list = sorted(ModuleObj.get_data(self).keys())
-        for key in sorted_key(ModuleObj.get_data(self).keys()):
+        for key in sorted_key(list(ModuleObj.get_data(self).keys())):
             value = ModuleObj.get_data(self)[key]
 
             if value == "TEMPERATURE":
diff --git a/tools/dct/obj/ChipObj.py b/tools/dct/obj/ChipObj.py
index 5c4a4eef..847e7b59 100755
--- a/tools/dct/obj/ChipObj.py
+++ b/tools/dct/obj/ChipObj.py
@@ -4,19 +4,19 @@
 import os, sys
 import xml.dom.minidom
 
-from GpioObj import GpioObj
-from EintObj import EintObj
-from AdcObj import AdcObj
-from ClkObj import ClkObj
-from ClkObj import ClkObj_Everest
-from ClkObj import ClkObj_Olympus
-from ClkObj import ClkObj_Rushmore
-from I2cObj import I2cObj
-from PmicObj import PmicObj
-from Md1EintObj import Md1EintObj
-from PowerObj import PowerObj
-from KpdObj import KpdObj
-from ModuleObj import ModuleObj
+from .GpioObj import GpioObj
+from .EintObj import EintObj
+from .AdcObj import AdcObj
+from .ClkObj import ClkObj
+from .ClkObj import ClkObj_Everest
+from .ClkObj import ClkObj_Olympus
+from .ClkObj import ClkObj_Rushmore
+from .I2cObj import I2cObj
+from .PmicObj import PmicObj
+from .Md1EintObj import Md1EintObj
+from .PowerObj import PowerObj
+from .KpdObj import KpdObj
+from .ModuleObj import ModuleObj
 
 from utility.util import log
 from utility.util import LogLevel
@@ -54,13 +54,13 @@ class ChipObj:
         self.__objs["kpd"] = KpdObj()
 
     def replace_obj(self, tag, obj):
-        if not tag in self.__objs.keys():
+        if not tag in list(self.__objs.keys()):
             return False
 
         self.__objs[tag] = obj
 
     def append_obj(self, tag, obj):
-        if tag in self.__objs.keys():
+        if tag in list(self.__objs.keys()):
             return False
 
         self.__objs[tag] = obj
@@ -114,7 +114,7 @@ class ChipObj:
 
     def generate(self, paras):
         if len(paras) == 0:
-            for obj in self.__objs.values():
+            for obj in list(self.__objs.values()):
                 obj.gen_files()
 
             self.gen_custDtsi()
@@ -125,7 +125,7 @@ class ChipObj:
 
     def create_obj(self, tag):
         obj = None
-        if tag in self.__objs.keys():
+        if tag in list(self.__objs.keys()):
             obj = self.__objs[tag]
 
         return obj
@@ -140,9 +140,9 @@ class ChipObj:
             idx = 0
             name = ''
             if para.strip() != '':
-                for value in para_map.values():
+                for value in list(para_map.values()):
                     if para in value:
-                        name = para_map.keys()[idx]
+                        name = list(para_map.keys())[idx]
                         break
                     idx += 1
 
diff --git a/tools/dct/obj/ClkObj.py b/tools/dct/obj/ClkObj.py
index 758e7d6a..a8ab55ed 100755
--- a/tools/dct/obj/ClkObj.py
+++ b/tools/dct/obj/ClkObj.py
@@ -4,11 +4,11 @@
 import os
 import re
 import string
-import ConfigParser
+import configparser
 
 import xml.dom.minidom
 
-from ModuleObj import ModuleObj
+from .ModuleObj import ModuleObj
 from data.ClkData import ClkData
 from utility.util import log
 from utility.util import LogLevel
@@ -47,7 +47,7 @@ class ClkObj(ModuleObj):
         return True
 
     def get_cfgInfo(self):
-        cp = ConfigParser.ConfigParser(allow_no_value=True)
+        cp = configparser.ConfigParser(allow_no_value=True)
         cp.read(ModuleObj.get_figPath())
 
         count = string.atoi(cp.get('CLK_BUF', 'CLK_BUF_COUNT'))
@@ -95,13 +95,13 @@ class ClkObj(ModuleObj):
         gen_str += '''} MTK_CLK_BUF_DRIVING_CURR;\n'''
         gen_str += '''\n'''
 
-        for key in sorted_key(ModuleObj.get_data(self).keys()):
+        for key in sorted_key(list(ModuleObj.get_data(self).keys())):
             value = ModuleObj.get_data(self)[key]
             gen_str += '''#define %s_STATUS_PMIC\t\tCLOCK_BUFFER_%s\n''' %(key[5:], value.get_varName().upper())
 
         gen_str += '''\n'''
 
-        for key in sorted_key(ModuleObj.get_data(self).keys()):
+        for key in sorted_key(list(ModuleObj.get_data(self).keys())):
             value = ModuleObj.get_data(self)[key]
             idx = value.get_curList().index(value.get_current())
             if cmp(value.get_curList()[0], DEFAULT_AUTOK) == 0:
@@ -122,7 +122,7 @@ class ClkObj(ModuleObj):
         gen_str += '''\tmediatek,clkbuf-config = <'''
 
         #sorted_list = sorted(ModuleObj.get_data(self).keys())
-        for key in sorted_key(ModuleObj.get_data(self).keys()):
+        for key in sorted_key(list(ModuleObj.get_data(self).keys())):
             if key.find('PMIC') == -1:
                 continue
             value = ModuleObj.get_data(self)[key]
@@ -134,7 +134,7 @@ class ClkObj(ModuleObj):
         gen_str += '''\tmediatek,clkbuf-driving-current = <'''
 
         #sorted_list = sorted(ModuleObj.get_data(self).keys())
-        for key in sorted_key(ModuleObj.get_data(self).keys()):
+        for key in sorted_key(list(ModuleObj.get_data(self).keys())):
             if key.find('PMIC') == -1:
                 continue
             value = ModuleObj.get_data(self)[key]
@@ -183,14 +183,14 @@ class ClkObj_Everest(ClkObj):
         gen_str += '''} MTK_CLK_BUF_DRIVING_CURR;\n'''
         gen_str += '''\n'''
 
-        for key in sorted_key(ModuleObj.get_data(self).keys()):
+        for key in sorted_key(list(ModuleObj.get_data(self).keys())):
             value = ModuleObj.get_data(self)[key]
             if key.find(self.__pmic) != -1:
                 gen_str += '''#define %s_STATUS_PMIC\t\t\t\tCLOCK_BUFFER_%s\n''' %(key[5:], value.get_varName())
 
         gen_str += '''\n'''
 
-        for key in sorted_key(ModuleObj.get_data(self).keys()):
+        for key in sorted_key(list(ModuleObj.get_data(self).keys())):
             value = ModuleObj.get_data(self)[key]
             if key.find(self.__pmic) != -1:
                 gen_str += '''#define %s_DRIVING_CURR\t\tCLK_BUF_DRIVING_CURR_%sMA\n''' %(key, value.get_current().replace('.', '_'))
@@ -198,14 +198,14 @@ class ClkObj_Everest(ClkObj):
         gen_str += '''\n'''
 
 
-        for key in sorted_key(ModuleObj.get_data(self).keys()):
+        for key in sorted_key(list(ModuleObj.get_data(self).keys())):
             value = ModuleObj.get_data(self)[key]
             if key.find(self.__rf) != -1:
                 gen_str += '''#define %s_STATUS\t\tCLOCK_BUFFER_%s\n''' %(key[3:], value.get_varName())
 
         gen_str += '''\n'''
 
-        for key in sorted_key(ModuleObj.get_data(self).keys()):
+        for key in sorted_key(list(ModuleObj.get_data(self).keys())):
             value = ModuleObj.get_data(self)[key]
             if key.find(self.__rf) != -1:
                 gen_str += '''#define %s_DRIVING_CURR\t\tCLK_BUF_DRIVING_CURR_%sMA\n''' %(key, value.get_current().replace('.', '_'))
@@ -227,7 +227,7 @@ class ClkObj_Everest(ClkObj):
 
         #sorted_list = sorted(ModuleObj.get_data(self).keys())
 
-        for key in sorted_key(ModuleObj.get_data(self).keys()):
+        for key in sorted_key(list(ModuleObj.get_data(self).keys())):
             value = ModuleObj.get_data(self)[key]
 
             if key.find(self.__rf) != -1:
@@ -237,7 +237,7 @@ class ClkObj_Everest(ClkObj):
 
         gen_str += '''\tmediatek,clkbuf-driving-current = <'''
 
-        for key in sorted_key(ModuleObj.get_data(self).keys()):
+        for key in sorted_key(list(ModuleObj.get_data(self).keys())):
             value = ModuleObj.get_data(self)[key]
             if key.find(self.__rf) != -1:
                 idx = value.get_curList().index(value.get_current())
@@ -284,14 +284,14 @@ class ClkObj_Olympus(ClkObj_Everest):
         gen_str += '''} MTK_CLK_BUF_DRIVING_CURR;\n'''
         gen_str += '''\n'''
 
-        for key in sorted_key(ModuleObj.get_data(self).keys()):
+        for key in sorted_key(list(ModuleObj.get_data(self).keys())):
             value = ModuleObj.get_data(self)[key]
             if key.find('PMIC') != -1:
                 gen_str += '''#define %s_STATUS_PMIC\t\tCLOCK_BUFFER_%s\n''' %(key[5:], value.get_varName())
 
         gen_str += '''\n'''
 
-        for key in sorted_key(ModuleObj.get_data(self).keys()):
+        for key in sorted_key(list(ModuleObj.get_data(self).keys())):
             value = ModuleObj.get_data(self)[key]
             if key.find('RF') != -1:
                 gen_str += '''#define %s_STATUS\t\t\t\tCLOCK_BUFFER_%s\n''' %(key[3:], value.get_varName())
@@ -299,7 +299,7 @@ class ClkObj_Olympus(ClkObj_Everest):
         gen_str += '''\n'''
 
 
-        for key in sorted_key(ModuleObj.get_data(self).keys()):
+        for key in sorted_key(list(ModuleObj.get_data(self).keys())):
             if key.find('PMIC') != -1:
                 continue
             value = ModuleObj.get_data(self)[key]
@@ -315,7 +315,7 @@ class ClkObj_Olympus(ClkObj_Everest):
         gen_str += '''\n'''
 
 
-        for key in sorted_key(ModuleObj.get_data(self).keys()):
+        for key in sorted_key(list(ModuleObj.get_data(self).keys())):
             if key.find('RF') != -1:
                 continue
             value = ModuleObj.get_data(self)[key]
@@ -342,7 +342,7 @@ class ClkObj_Rushmore(ClkObj):
         ClkObj.parse(self, node)
 
     def get_cfgInfo(self):
-        cp = ConfigParser.ConfigParser(allow_no_value=True)
+        cp = configparser.ConfigParser(allow_no_value=True)
         cp.read(ModuleObj.get_figPath())
 
         count = string.atoi(cp.get('CLK_BUF', 'CLK_BUF_COUNT'))
@@ -388,14 +388,14 @@ class ClkObj_Rushmore(ClkObj):
         gen_str += '''\n'''
 
 
-        for key in sorted_key(ModuleObj.get_data(self).keys()):
+        for key in sorted_key(list(ModuleObj.get_data(self).keys())):
             value = ModuleObj.get_data(self)[key]
             if key.find('RF') != -1:
                 gen_str += '''#define %s_STATUS\t\t\t\tCLOCK_BUFFER_%s\n''' %(key[3:], value.get_varName())
 
         gen_str += '''\n'''
 
-        for key in sorted_key(ModuleObj.get_data(self).keys()):
+        for key in sorted_key(list(ModuleObj.get_data(self).keys())):
             if key.find('RF') != -1:
                 continue
             value = ModuleObj.get_data(self)[key]
@@ -418,7 +418,7 @@ class ClkObj_Rushmore(ClkObj):
         gen_str += '''\tmediatek,clkbuf-config = <'''
 
         #sorted_list = sorted(ModuleObj.get_data(self).keys())
-        for key in sorted_key(ModuleObj.get_data(self).keys()):
+        for key in sorted_key(list(ModuleObj.get_data(self).keys())):
             if key.find('RF') == -1:
                 continue
             value = ModuleObj.get_data(self)[key]
diff --git a/tools/dct/obj/EintObj.py b/tools/dct/obj/EintObj.py
index d4c7e80f..f27b1812 100755
--- a/tools/dct/obj/EintObj.py
+++ b/tools/dct/obj/EintObj.py
@@ -5,7 +5,7 @@ import re
 import os
 import string
 
-import ConfigParser
+import configparser
 import xml.dom.minidom
 
 from data.EintData import EintData
@@ -70,7 +70,7 @@ class EintObj(ModuleObj):
         ModuleObj.gen_spec(self, para)
 
     def get_cfgInfo(self):
-        cp = ConfigParser.ConfigParser(allow_no_value=True)
+        cp = configparser.ConfigParser(allow_no_value=True)
         cp.read(ModuleObj.get_figPath())
 
         ops = cp.options('GPIO')
@@ -135,7 +135,7 @@ class EintObj(ModuleObj):
 
         gen_str += '''\n\n'''
 
-        sorted_list = sorted(ModuleObj.get_data(self).keys(), key=compare)
+        sorted_list = sorted(list(ModuleObj.get_data(self).keys()), key=compare)
 
         for key in sorted_list:
             value = ModuleObj.get_data(self)[key]
@@ -193,7 +193,7 @@ class EintObj(ModuleObj):
             if value != -1:
                 gen_str += '''<%d %d>,\n\t\t\t\t\t''' %(key, value)
 
-        for (key, value) in EintData._int_eint.items():
+        for (key, value) in list(EintData._int_eint.items()):
             gen_str += '''<%s %s>,\n\t\t\t\t\t''' %(value, key)
 
         gen_str = gen_str[0:len(gen_str)-7]
@@ -205,8 +205,8 @@ class EintObj(ModuleObj):
 
         gen_str += '''\t\t\t\t\t/* gpio, built-in func mode, built-in eint */\n'''
         gen_str += '''\tmediatek,builtin_mapping = '''
-        for (key, value) in EintData._builtin_map.items():
-            for (sub_key, sub_value) in value.items():
+        for (key, value) in list(EintData._builtin_map.items()):
+            for (sub_key, sub_value) in list(value.items()):
                 gen_str += '''<%s %s %s>, /* %s */\n\t\t\t\t\t''' %(sub_key, sub_value[0:1], key, sub_value)
 
         gen_str = gen_str[0:gen_str.rfind(',')]
@@ -216,7 +216,7 @@ class EintObj(ModuleObj):
         return gen_str
 
     def get_gpioNum(self, eint_num):
-        for (key, value) in EintData.get_mapTable().items():
+        for (key, value) in list(EintData.get_mapTable().items()):
             if cmp(eint_num, value) == 0:
                 return key
 
@@ -235,14 +235,14 @@ class EintObj(ModuleObj):
                 if re.match(r'GPIO[\d]+', mode_name) or re.match(r'EINT[\d]+', mode_name):
                     return gpio_vec
 
-        for key in EintData._builtin_map.keys():
+        for key in list(EintData._builtin_map.keys()):
             if string.atoi(eint_num) == string.atoi(key):
                 temp_map = EintData._builtin_map[key]
-                for key in temp_map.keys():
+                for key in list(temp_map.keys()):
                     gpio_vec.append(key)
 
                 if flag:
-                    for item in temp_map.keys():
+                    for item in list(temp_map.keys()):
                         item_data = self.__gpio_obj.get_gpioData(string.atoi(item))
 
                         if item_data.get_defMode() == string.atoi(temp_map[item].split(':')[0]):
@@ -261,7 +261,7 @@ class EintObj(ModuleObj):
 
         gen_str += self.fill_mappingTable()
 
-        sorted_list = sorted(ModuleObj.get_data(self).keys(), key=compare)
+        sorted_list = sorted(list(ModuleObj.get_data(self).keys()), key=compare)
 
         for key in sorted_list:
             value = ModuleObj.get_data(self)[key]
diff --git a/tools/dct/obj/GpioObj.py b/tools/dct/obj/GpioObj.py
index 0539c297..c8452efd 100755
--- a/tools/dct/obj/GpioObj.py
+++ b/tools/dct/obj/GpioObj.py
@@ -5,14 +5,14 @@ import re
 import os
 import sys
 import string
-import ConfigParser
+import configparser
 import xml.dom.minidom
 
 
 from data.GpioData import GpioData
 from data.EintData import EintData
-from ModuleObj import ModuleObj
-import ChipObj
+from .ModuleObj import ModuleObj
+from . import ChipObj
 from utility.util import compare
 from utility.util import sorted_key
 
@@ -26,7 +26,7 @@ class GpioObj(ModuleObj):
         self.__fileMap = 'cust_gpio_usage_mapping.dtsi'
 
     def get_cfgInfo(self):
-        cp = ConfigParser.ConfigParser(allow_no_value=True)
+        cp = configparser.ConfigParser(allow_no_value=True)
         cp.read(ModuleObj.get_cmpPath())
 
         # get GPIO_FREQ section
@@ -260,7 +260,7 @@ class GpioObj(ModuleObj):
     def fill_hFile(self):
         gen_str = '''//Configuration for GPIO SMT(Schmidt Trigger) Group output start\n'''
         temp_list = []
-        for key in sorted_key(ModuleObj.get_data(self).keys()):
+        for key in sorted_key(list(ModuleObj.get_data(self).keys())):
         #for value in ModuleObj.get_data(self).values():
             value = ModuleObj.get_data(self)[key]
             num = value.get_smtNum()
@@ -275,7 +275,7 @@ class GpioObj(ModuleObj):
 
         gen_str += '''\n\n'''
 
-        sorted_list = sorted(ModuleObj.get_data(self).keys(), key = compare)
+        sorted_list = sorted(list(ModuleObj.get_data(self).keys()), key = compare)
 
         for key in sorted_list:
             value = ModuleObj.get_data(self)[key]
@@ -357,7 +357,7 @@ class GpioObj(ModuleObj):
         gen_str = ''
         #sorted_list = sorted(ModuleObj.get_data(self).keys(), key = compare)
 
-        for key in sorted_key(ModuleObj.get_data(self).keys()):
+        for key in sorted_key(list(ModuleObj.get_data(self).keys())):
         #for key in sorted_list:
             value = ModuleObj.get_data(self)[key]
             for varName in value.get_varNames():
@@ -367,7 +367,7 @@ class GpioObj(ModuleObj):
                     gen_str += '''#define %s_M_EINT\t\tGPIO_MODE_00\n''' %(varName)
 
                 temp_list = []
-                for item in GpioData._specMap.keys():
+                for item in list(GpioData._specMap.keys()):
                     regExp = '[_A-Z0-9:]*%s[_A-Z0-9:]*' %(item.upper())
                     pat = re.compile(regExp)
                     for i in range(0, GpioData._modNum):
@@ -414,7 +414,7 @@ class GpioObj(ModuleObj):
                     if pat.match(mode):
                         gen_str += '''#define %s_CLK\t\tCLK_OUT%s\n''' %(varName, mode[4:])
                         temp = ''
-                        if varName in GpioData._freqMap.keys():
+                        if varName in list(GpioData._freqMap.keys()):
                             temp = GpioData._freqMap[varName]
                         else:
                             temp = 'GPIO_CLKSRC_NONE'
@@ -430,7 +430,7 @@ class GpioObj(ModuleObj):
         gen_str += '''\tgpio_pins_default: gpiodef{\n\t};\n\n'''
 
         #sorted_list = sorted(ModuleObj.get_data(self).keys(), key = compare)
-        for key in sorted_key(ModuleObj.get_data(self).keys()):
+        for key in sorted_key(list(ModuleObj.get_data(self).keys())):
         #for key in sorted_list:
             value = ModuleObj.get_data(self)[key]
             gen_str += '''\t%s: gpio@%s {\n''' %(key.lower(), key[4:])
@@ -501,7 +501,7 @@ class GpioObj(ModuleObj):
     def fill_pinfunc_hFile(self):
         gen_str = '''#include \"mt65xx.h\"\n\n'''
         #sorted_list = sorted(ModuleObj.get_data(self).keys(), key = compare)
-        for key in sorted_key(ModuleObj.get_data(self).keys()):
+        for key in sorted_key(list(ModuleObj.get_data(self).keys())):
         #for key in sorted_list:
             value = ModuleObj.get_data(self)[key]
             for i in range(0, GpioData._modNum):
@@ -528,7 +528,7 @@ class GpioObj(ModuleObj):
         gen_str += '''static const struct mtk_desc_pin mtk_pins_%s[] = {\n''' %(ModuleObj.get_chipId().lower())
 
         #sorted_list = sorted(ModuleObj.get_data(self).keys(), key = compare)
-        for key in sorted_key(ModuleObj.get_data(self).keys()):
+        for key in sorted_key(list(ModuleObj.get_data(self).keys())):
         #for key in sorted_list:
             value = ModuleObj.get_data(self)[key]
             gen_str += '''\tMTK_PIN(\n'''
@@ -556,7 +556,7 @@ class GpioObj(ModuleObj):
         gen_str = '''&gpio_usage_mapping {\n'''
 
         #sorted_list = sorted(ModuleObj.get_data(self).keys(), key = compare)
-        for key in sorted_key(ModuleObj.get_data(self).keys()):
+        for key in sorted_key(list(ModuleObj.get_data(self).keys())):
         #for key in sorted_list:
             value = ModuleObj.get_data(self)[key]
             for varName in value.get_varNames():
diff --git a/tools/dct/obj/I2cObj.py b/tools/dct/obj/I2cObj.py
index 25006902..1a885d0e 100755
--- a/tools/dct/obj/I2cObj.py
+++ b/tools/dct/obj/I2cObj.py
@@ -4,14 +4,14 @@
 import re
 import string
 import xml.dom.minidom
-import ConfigParser
+import configparser
 
-from ModuleObj import ModuleObj
+from .ModuleObj import ModuleObj
 #from utility import util
 from utility.util import sorted_key
 from data.I2cData import I2cData
 from data.I2cData import BusData
-import ChipObj
+from . import ChipObj
 
 class I2cObj(ModuleObj):
     def __init__(self):
@@ -20,7 +20,7 @@ class I2cObj(ModuleObj):
         self.__bBusEnable = True
 
     def get_cfgInfo(self):
-        cp = ConfigParser.ConfigParser(allow_no_value=True)
+        cp = configparser.ConfigParser(allow_no_value=True)
         cp.read(ModuleObj.get_figPath())
 
         I2cData._i2c_count = string.atoi(cp.get('I2C', 'I2C_COUNT'))
@@ -84,7 +84,7 @@ class I2cObj(ModuleObj):
         gen_str += '''\n'''
 
         #sorted_lst = sorted(ModuleObj.get_data(self).keys(), key=compare)
-        for key in sorted_key(ModuleObj.get_data(self).keys()):
+        for key in sorted_key(list(ModuleObj.get_data(self).keys())):
             value = ModuleObj.get_data(self)[key]
             temp = ''
             if value.get_address().strip() == '':
@@ -114,7 +114,7 @@ class I2cObj(ModuleObj):
                     temp_str = 'use-push-pull'
                 gen_str += '''\tmediatek,%s;\n''' %(temp_str)
 
-            for key in sorted_key(ModuleObj.get_data(self).keys()):
+            for key in sorted_key(list(ModuleObj.get_data(self).keys())):
                 value = ModuleObj.get_data(self)[key]
                 channel = 'I2C_CHANNEL_%d' %(i)
                 if cmp(value.get_channel(), channel) == 0 and cmp(value.get_varName(), 'NC') != 0 and value.get_address().strip() != '':
diff --git a/tools/dct/obj/KpdObj.py b/tools/dct/obj/KpdObj.py
index 52f3bad2..64500bfe 100755
--- a/tools/dct/obj/KpdObj.py
+++ b/tools/dct/obj/KpdObj.py
@@ -3,10 +3,10 @@
 
 import re
 import string
-import ConfigParser
+import configparser
 import xml.dom.minidom
 
-from ModuleObj import ModuleObj
+from .ModuleObj import ModuleObj
 from utility.util import LogLevel
 from utility.util import log
 from data.KpdData import KpdData
@@ -18,7 +18,7 @@ class KpdObj(ModuleObj):
 
 
     def get_cfgInfo(self):
-        cp = ConfigParser.ConfigParser(allow_no_value=True)
+        cp = configparser.ConfigParser(allow_no_value=True)
         cp.read(ModuleObj.get_cmpPath())
 
         ops = cp.options('Key_definition')
@@ -204,7 +204,7 @@ class KpdObj(ModuleObj):
         gen_str += '''/****************Uboot Customation**************************/\n'''
         gen_str += '''/***********************************************************/\n'''
 
-        for (key, value) in KpdData.get_modeKeys().items():
+        for (key, value) in list(KpdData.get_modeKeys().items()):
             if cmp(value, 'NC') != 0:
                 idx = self.get_matrixIdx(value)
                 #idx = KpdData.get_matrix().index(value)
@@ -274,7 +274,7 @@ class KpdObj(ModuleObj):
                 continue
             gen_str += '''\tmediatek,kpd-hw-dl-key%d = <%s>;\n''' %(KpdData.get_downloadKeys().index(key), self.get_matrixIdx(key))
 
-        for (key, value) in KpdData.get_modeKeys().items():
+        for (key, value) in list(KpdData.get_modeKeys().items()):
             if cmp(value, 'NC') == 0:
                 continue
             gen_str += '''\tmediatek,kpd-hw-%s-key = <%d>;\n''' %(key.lower(), self.get_matrixIdx(value))
diff --git a/tools/dct/obj/Md1EintObj.py b/tools/dct/obj/Md1EintObj.py
index 9d48e173..41bc500e 100755
--- a/tools/dct/obj/Md1EintObj.py
+++ b/tools/dct/obj/Md1EintObj.py
@@ -1,13 +1,13 @@
 #! /usr/bin/python
 # -*- coding: utf-8 -*-
 
-import ConfigParser
+import configparser
 import string
 import xml.dom.minidom
 
 from utility import util
 from utility.util import sorted_key
-from ModuleObj import ModuleObj
+from .ModuleObj import ModuleObj
 from data.Md1EintData import Md1EintData
 from utility.util import LogLevel
 
@@ -19,7 +19,7 @@ class Md1EintObj(ModuleObj):
 
     def get_cfgInfo(self):
         # ConfigParser accept ":" and "=", so SRC_PIN will be treated specially
-        cp = ConfigParser.ConfigParser(allow_no_value=True)
+        cp = configparser.ConfigParser(allow_no_value=True)
         cp.read(ModuleObj.get_figPath())
 
         if cp.has_option('Chip Type', 'MD1_EINT_SRC_PIN'):
@@ -95,7 +95,7 @@ class Md1EintObj(ModuleObj):
         gen_str += '''\n'''
 
         if self.__bSrcPinEnable:
-            for (key, value) in self.__srcPin.items():
+            for (key, value) in list(self.__srcPin.items()):
                 gen_str += '''#define %s\t\t%s\n''' %(key, value)
             gen_str += '''\n'''
 
@@ -108,7 +108,7 @@ class Md1EintObj(ModuleObj):
         gen_str += '''\n'''
 
         count = 0
-        for key in sorted_key(ModuleObj.get_data(self).keys()):
+        for key in sorted_key(list(ModuleObj.get_data(self).keys())):
             value = ModuleObj.get_data(self)[key]
             if cmp(value.get_varName(), 'NC') == 0:
                 continue
@@ -133,7 +133,7 @@ class Md1EintObj(ModuleObj):
     def fill_dtsiFile(self):
         gen_str = ''
         gen_str += '''&eintc {\n'''
-        for key in sorted_key(ModuleObj.get_data(self).keys()):
+        for key in sorted_key(list(ModuleObj.get_data(self).keys())):
             value = ModuleObj.get_data(self)[key]
             if cmp(value.get_varName(), 'NC') == 0:
                 continue
diff --git a/tools/dct/obj/PmicObj.py b/tools/dct/obj/PmicObj.py
index fd35aca3..1cb9f590 100755
--- a/tools/dct/obj/PmicObj.py
+++ b/tools/dct/obj/PmicObj.py
@@ -3,10 +3,10 @@
 
 import sys, os
 import re
-import ConfigParser
+import configparser
 import xml.dom.minidom
 
-from ModuleObj import ModuleObj
+from .ModuleObj import ModuleObj
 from data.PmicData import PmicData
 
 from utility.util import log
@@ -28,7 +28,7 @@ class PmicObj(ModuleObj):
 
 
     def get_cfgInfo(self):
-        cp = ConfigParser.ConfigParser(allow_no_value=True)
+        cp = configparser.ConfigParser(allow_no_value=True)
         cp.read(ModuleObj.get_cmpPath())
 
         PmicData._var_list = cp.options('APPLICATION')
@@ -116,7 +116,7 @@ class PmicObj(ModuleObj):
     def fill_hFile(self):
         gen_str = ''
         used = []
-        for key in sorted_key(ModuleObj.get_data(self).keys()):
+        for key in sorted_key(list(ModuleObj.get_data(self).keys())):
             value = ModuleObj.get_data(self)[key]
             for name in value.get_nameList():
                 if name.strip() != '':
@@ -138,7 +138,7 @@ class PmicObj(ModuleObj):
     def fill_dtsiFile(self):
         gen_str = ''
 
-        for key in sorted_key(ModuleObj.get_data(self).keys()):
+        for key in sorted_key(list(ModuleObj.get_data(self).keys())):
             value = ModuleObj.get_data(self)[key]
             gen_str += '''&mt_pmic_%s_ldo_reg {\n''' %(value.get_ldoName().lower())
             gen_str += '''\tregulator-name = \"%s\";\n''' %((value.get_ldoName().replace('_', '')).lower())
@@ -149,7 +149,7 @@ class PmicObj(ModuleObj):
         gen_str += '''\n'''
         gen_str += '''&kd_camera_hw1 {\n'''
 
-        for key in sorted_key(ModuleObj.get_data(self).keys()):
+        for key in sorted_key(list(ModuleObj.get_data(self).keys())):
             value = ModuleObj.get_data(self)[key]
             for varName in value.get_nameList():
             #for i in range(0, self.__appCount):
@@ -174,7 +174,7 @@ class PmicObj(ModuleObj):
         gen_str += '''};\n\n'''
         gen_str += '''&touch {\n'''
 
-        for key in sorted_key(ModuleObj.get_data(self).keys()):
+        for key in sorted_key(list(ModuleObj.get_data(self).keys())):
             value = ModuleObj.get_data(self)[key]
             for name in value.get_nameList():
                 if name.find('TOUCH') != -1:
@@ -195,7 +195,7 @@ class PmicObj(ModuleObj):
         gen_str += '''{\n'''
         idx = 0
 
-        for key in sorted_key(ModuleObj.get_data(self).keys()):
+        for key in sorted_key(list(ModuleObj.get_data(self).keys())):
             value = ModuleObj.get_data(self)[key]
             if value.get_defEnable() != 0:
                 gen_str += '''\t%s(%s,%d);\n''' %(self.__func, self.__paraList[idx], value.get_defEnable()-1)
diff --git a/tools/dct/obj/PowerObj.py b/tools/dct/obj/PowerObj.py
index 0351adb2..0074e970 100755
--- a/tools/dct/obj/PowerObj.py
+++ b/tools/dct/obj/PowerObj.py
@@ -4,15 +4,15 @@
 import sys,os
 import re
 import string
-import ConfigParser
+import configparser
 import xml.dom.minidom
 
-import ChipObj
+from . import ChipObj
 from data.PowerData import PowerData
 from utility.util import log
 from utility.util import LogLevel
 from utility.util import sorted_key
-from ModuleObj import ModuleObj
+from .ModuleObj import ModuleObj
 
 class PowerObj(ModuleObj):
     def __init__(self):
@@ -20,7 +20,7 @@ class PowerObj(ModuleObj):
         self.__list = {}
 
     def getCfgInfo(self):
-        cp = ConfigParser.ConfigParser(allow_no_value=True)
+        cp = configparser.ConfigParser(allow_no_value=True)
         cp.read(ModuleObj.get_figPath())
 
         self.__list = cp.options('POWER')
@@ -60,7 +60,7 @@ class PowerObj(ModuleObj):
 
     def fill_hFile(self):
         gen_str = ''
-        for key in sorted_key(ModuleObj.get_data(self).keys()):
+        for key in sorted_key(list(ModuleObj.get_data(self).keys())):
             value = ModuleObj.get_data(self)[key]
             if value.get_varName() == '':
                 continue
diff --git a/tools/dct/utility/util.py b/tools/dct/utility/util.py
index afb27718..e6eff039 100755
--- a/tools/dct/utility/util.py
+++ b/tools/dct/utility/util.py
@@ -16,11 +16,11 @@ class LogLevel:
 
 def log(level, msg):
     if level == LogLevel.info:
-        print LEVEL_INFO + msg
+        print(LEVEL_INFO + msg)
     elif level == LogLevel.warn:
-        print LEVEL_WARN + msg
+        print(LEVEL_WARN + msg)
     elif level == LogLevel.error:
-        print LEVEL_ERROR + msg
+        print(LEVEL_ERROR + msg)
 
 def compare(value):
     lst = re.findall(r'\d+', value)