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__main__.py
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"""
sp6 merge
"""
import os
import sys
import getopt
import configparser
import traceback
import time
import hashcalc
VERSION = 'V0.2'
DATE = '20180620'
WORKING_PATH = None
SOFTWARE_PATH = os.path.join(os.path.split(os.path.abspath(sys.argv[0]))[0])
SOFTWARE_REAL_PATH = sys._MEIPASS if getattr(sys, 'frozen', False) else SOFTWARE_PATH
CONFIG_FILE = os.path.join(SOFTWARE_PATH, r'bootupdate.ini')
CONFIG_FILE_CONTENT_DEFAULT = r'''[outfile]
name = update.sp6
path = .
[update]
# 是否挂载文件系统
is_mount = 0
# 是否压缩
is_zip = 0
# 是否需要重启
is_reboot = 1
# 以下是需要打包的文件，数量不限，可自行增加
[file1]
# 0:内核 1:根文件系统 2:boot 3:环境变量 4:命令文件 5:其他文件
type = 0
# 文件名(支持路径)
path = uImage
# 烧写目标地址(支持单位K/M/G)
dest_addr = 768K
# 以下是需要打包的文件，数量不限，可自行增加
[file2]
# 0:内核 1:根文件系统 2:boot 3:环境变量 4:命令文件 5:其他文件
type = 1
# 文件名(支持路径)
path = cramfs.img
# 烧写目标地址(支持单位K/M/G)
dest_addr = 3M
'''
class ConfigClass():
"""merge config"""
infile_num = 0
def __init__(self):
if not os.path.isfile(CONFIG_FILE):
print('config file not found, create new.')
with open(CONFIG_FILE, 'w', encoding='utf-8') as new_file:
new_file.write(CONFIG_FILE_CONTENT_DEFAULT)
self.config = configparser.ConfigParser()
self.config.read(CONFIG_FILE, encoding='utf-8-sig')
while self.config.has_section('file' + str(self.infile_num + 1)):
self.infile_num += 1
def chk_config(self):
"""chk config"""
if not self.outfile_cfg().get('path'):
raise Exception('out file invalid, merge abort.')
if not self.config.has_section('file1'):
raise Exception('no input file, merge abort.')
def outfile_cfg(self):
"""outfile_cfg"""
return self.config['outfile']
def update_cfg(self):
"""update_cfg"""
return self.config['update']
def infile_cfg(self, file_no):
"""infile_cfg"""
return self.config['file' + str(file_no)]
CONFIG = ConfigClass()
def get_head():
"""get head"""
len = (21 + 85*CONFIG.infile_num).to_bytes(4, 'little')
id = b'\x00'*16
is_mount = b'\x01' if CONFIG.update_cfg().getboolean('is_mount') else b'\x00'
is_zip = b'\x01' if CONFIG.update_cfg().getboolean('is_zip') else b'\x00'
is_reboot = b'\x01' if CONFIG.update_cfg().getboolean('is_reboot') else b'\x00'
dummy = b'\x00'
file_num = CONFIG.infile_num.to_bytes(1, 'little')
infile_info = b''
for file_cnt in range(CONFIG.infile_num):
infile_path = os.path.join(CONFIG.infile_cfg(file_cnt + 1).get('path'))
file_type = int(CONFIG.infile_cfg(file_cnt + 1).get('type'), 0).to_bytes(1, 'little')
file_name = bytes(os.path.basename(infile_path), encoding='utf-8')
file_name = (file_name + b'\x00'*24)[:24]
file_path = b'\x00'*32
dest_addr_str = CONFIG.infile_cfg(file_cnt + 1).get('dest_addr')
dest_addr_int = 0
if dest_addr_str[-1] in ['b', 'B']:
dest_addr_int = int(dest_addr_str[:-1], 0)
elif dest_addr_str[-1] in ['k', 'K']:
dest_addr_int = int(dest_addr_str[:-1], 0) * 1024
elif dest_addr_str[-1] in ['m', 'M']:
dest_addr_int = int(dest_addr_str[:-1], 0) * 1024 * 1024
elif dest_addr_str[-1] in ['g', 'G']:
dest_addr_int = int(dest_addr_str[:-1], 0) * 1024 * 1024 * 1024
else:
dest_addr_int = int(dest_addr_str, 0)
dest_addr = dest_addr_int.to_bytes(4, 'little')
zip_len = b'\x00'*4
raw_len = int(os.path.getsize(infile_path)).to_bytes(4, 'little')
md5_str = hashcalc.get_md5(infile_path)
file_md5 = bytes([int(md5_str[x : x+2], 16) for x in range(0, 32, 2)])
print('file{no}[{path}]:'\
.format(no=file_cnt+1, path=infile_path))
print(' type: {typ}, dest_addr: {addr}, raw_len: {len}'\
.format(typ=int.from_bytes(file_type, 'little')\
, addr=dest_addr_int, len=int.from_bytes(raw_len, 'little')))
print(' md5:', md5_str)
infile_info += file_type + file_name + file_path + dest_addr + zip_len + raw_len + file_md5
update_info = len + id + is_mount + is_zip + is_reboot + dummy + file_num
crc = hashcalc.get_crc16(update_info + infile_info).to_bytes(2, 'little')
return crc + update_info + infile_info
def start_create(out_path=''):
"""main"""
try:
out_sp6_file_path = os.path.join(\
out_path if out_path else CONFIG.outfile_cfg().get('path'),\
CONFIG.outfile_cfg().get('name'))
print('out file:', out_sp6_file_path)
print('mount: ', 'yes' if CONFIG.update_cfg().getboolean('is_mount') else 'no')
print('zip: ', 'yes' if CONFIG.update_cfg().getboolean('is_zip') else 'no')
print('reboot: ', 'yes' if CONFIG.update_cfg().getboolean('is_reboot') else 'no')
print('\ninfile num: ', CONFIG.infile_num)
with open(out_sp6_file_path, 'wb') as outfile:
outfile.write(get_head())
for cnt in range(CONFIG.infile_num):
infile_path = os.path.join(CONFIG.infile_cfg(cnt + 1).get('path'))
infile = open(infile_path, 'rb')
outfile.write(infile.read())
infile.close()
return 0
except Exception:
traceback.print_exc()
return -1
def del_outfile(out_path=''):
"""delete outfile"""
try:
out_sp6_file_path = os.path.join(\
out_path if out_path else CONFIG.outfile_cfg().get('path'),\
CONFIG.outfile_cfg().get('name'))
if os.path.isfile(out_sp6_file_path):
os.remove(out_sp6_file_path)
except Exception:
traceback.print_exc()
print('outfile del failed.')
if __name__ == '__main__':
out_file_path = None
opts, args = getopt.gnu_getopt(sys.argv[1:], "o:")
if not args:
WORKING_PATH = SOFTWARE_PATH
else:
WORKING_PATH = args[0]
for op, value in opts:
if op == '-o':
out_file_path = os.path.abspath(value)
try:
CONFIG.chk_config()
if not os.path.isdir(WORKING_PATH):
raise Exception('ERROR: working path{path} invalid.'.format(path=WORKING_PATH))
if out_file_path and not os.path.isdir(out_file_path):
os.makedirs(out_file_path)
tm_start = time.time()
print('SP6 Boot Update Creator {ver}({date}).Designed by Kay.'.format(ver=VERSION, date=DATE))
print('WORKING_PATH:', WORKING_PATH)
print('CONFIG_FILE:', CONFIG_FILE)
os.chdir(WORKING_PATH)
if start_create(out_file_path) == 0:
print('success')
else:
raise Exception('!!FAILED!!')
print('time use {tm:.1f}s'.format(tm=time.time() - tm_start))
sys.exit(0)
except Exception:
traceback.print_exc()
os.system('color 47')
del_outfile(out_file_path)
time.sleep(3)
os.system('color 07')
sys.exit(1)