fix lintcode and python3 module required

Author: wy-hh

examples/lighting-app/bouffalolab/README.md

@@ -59,7 +59,8 @@ and Thread Border Router.
         Router application and Matter ZigBee bridge
         -   Openthread Border Router application, please refer to Openthread
             Border Router application
-        -   Matter ZigBee application, please contact `Bouffalo Lab` for support.
+        -   Matter ZigBee application, please contact `Bouffalo Lab` for
+            support.
 
 ## Initial setup
 

scripts/build/testdata/all_targets_linux_x64.txt

@@ -1,7 +1,7 @@
 ameba-amebad-{all-clusters,all-clusters-minimal,light,light-switch,pigweed}
 asr-{asr582x,asr595x,asr550x}-{all-clusters,all-clusters-minimal,lighting,light-switch,lock,bridge,temperature-measurement,thermostat,ota-requestor,dishwasher,refrigerator}[-ota][-shell][-no_logging][-factory][-rotating_id][-rio]
 android-{arm,arm64,x86,x64,androidstudio-arm,androidstudio-arm64,androidstudio-x86,androidstudio-x64}-{chip-tool,chip-test,tv-server,tv-casting-app,java-matter-controller,kotlin-matter-controller,virtual-device-app}[-no-debug]
-bouffalolab-{bl602-iot-matter-v1,bl602-night-light,xt-zb6-devkit,bl706-night-light,bl706dk,bl704ldk}-light[-shell][-115200][-rpc][-cdc][-resetcnt][-rotating_device_id][-mfd][-mfdtest][-ethernet][-wifi][-thread][-fp][-memmonitor][-mot]
+bouffalolab-{bl602dk,bl704ldk,bl706dk,bl602-night-light,bl706-night-light,bl602-iot-matter-v1,xt-zb6-devkit}-light[-ethernet][-wifi][-thread][-easyflash][-shell][-mfd][-rotating_device_id][-rpc][-cdc][-mot][-resetcnt][-memmonitor][-115200][-fp]
 cc32xx-{lock,air-purifier}
 ti-cc13x4_26x4-{all-clusters,lighting,lock,pump,pump-controller}[-mtd][-ftd]
 cyw30739-{cyw30739b2_p5_evk_01,cyw30739b2_p5_evk_02,cyw30739b2_p5_evk_03,cyw930739m2evb_01,cyw930739m2evb_02}-{light,light-switch,lock,thermostat}

scripts/flashing/bouffalolab_firmware_utils.py

@@ -14,8 +14,6 @@
 # limitations under the License.
 
 import binascii
-import configparser
-import importlib.metadata
 import logging
 import os
 import pathlib
@@ -24,7 +22,6 @@
 import shutil
 import subprocess
 import sys
-import time
 
 import coloredlogs
 import firmware_utils
@@ -259,7 +256,7 @@ def decrypt_data(data_bytearray, key_bytearray, iv_bytearray):
         if self.args['mfd_str']:
             try:
                 iv = self.args['mfd_str'].split(":")[1].split(',')[0]
-            except Exception as e:
+            except Exception:
                 raise Exception("Invalid mfd-str format.")
 
             self.args["iv"] = iv
@@ -356,7 +353,7 @@ def get_tools():
 
             try:
                 flashtool_exe = flashtool_path + "/" + bflb_tools_dict[sys.platform]["flash_tool"]
-            except Exception as e:
+            except Exception:
                 raise Exception("Do NOT support {} operating system to program firmware.".format(sys.platform))
 
             if not os.path.exists(flashtool_exe):
@@ -368,7 +365,7 @@ def get_tools():
                 logging.fatal('\tPlease make sure BOUFFALOLAB_SDK_ROOT exports before building as below:')
                 logging.fatal('\t\texport BOUFFALOLAB_SDK_ROOT="your install path"')
                 logging.fatal('*' * 80)
-                raise Exception(e)
+                raise Exception("Flash tool is not installed.")
 
             return flashtool_path, flashtool_exe
 
@@ -550,13 +547,6 @@ def actions(self):
         """Perform actions on the device according to self.option."""
         self.log(3, 'Options:', self.option)
 
-        is_for_ota_image_building = None
-        is_for_programming = False
-        has_private_key = False
-        has_public_key = False
-        ota_output_folder = None
-        options_keys = BOUFFALO_OPTIONS["configuration"].keys()
-
         if platform.machine() not in ["x86_64"]:
             raise Exception("Only support x86_64 CPU machine to program firmware.")
 

scripts/setup/requirements.bouffalolab.txt

@@ -4,3 +4,4 @@ ecdsa>=0.18.0
 qrcode==7.4.2
 bitarray==2.6.0
 python_stdnum==1.18
+pycryptodome>=3.20.0