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1# -*- coding:utf-8 -*-
2import traceback
3import uuid
4import sys
5import subprocess
6import os
7import time
8import re
9import shutil
10import random
11import platform
12import socket
13
14from core.base import BaseApp, dec_stepmsg
15from util.file_locker import FileLock
16from util.log_info import logger
17from util.time_info import get_now_time_str_info, get_now_time_info, Timeout, timeout
18from aw.Download.Download import *
19from aw.Common.Constant import CONSTANT
20from aw.Common.Common import getFileName
21from aw.ExtractFile.ExtractFile import *
22from aw.Common.Common import getHostIp, copyFile, copyDirectory
23
24total_time = ""
25lock_suffix = CONSTANT.File.LOCK_SUFFIX
26suc_file = CONSTANT.File.SUC_FILE
27failed_file = CONSTANT.File.FAILED_FILE
28REBOOT_TIMEOUT = 20000000
29
30
31class liteOsUpgrade_RK3568(BaseApp):
32    '''
33    @author: cwx1076044
34    '''
35
36    def __init__(self, param_file):
37        super().__init__(param_file)
38        self.param_List = ["upgrade_upgradeLocation", "sn"]
39
40    @dec_stepmsg("hongmeng RK3568 flash")
41    def excute(self):
42        '''
43        #===================================================================================
44        #   @Method:        excute(self)
45        #   @Precondition:  none
46        #   @Func:          升级执行入口
47        #   @PostStatus:    none
48        #   @eg:            excute()
49        #   @return:        True or Flase
50        #===================================================================================
51        '''
52        step_index = self.params_dict.get("step_list").index("liteOsUpgrade_RK3568_app")
53
54        # # 执行下载
55        # try:
56        #     if not self.download():
57        #         CONSTANT.ENVERRMESSAGE = "image download fail"
58        #         logger.printLog(CONSTANT.ENVERRMESSAGE)
59        #         return 98
60        # except Exception as e:
61        #     logger.error(e)
62        #     #raise e
63        #     return 98
64
65        # 执行升级
66        try:
67            return_code = self.upgrade()
68            if not return_code:
69                CONSTANT.ENVERRMESSAGE = "board upgrade fail"
70                logger.printLog(CONSTANT.ENVERRMESSAGE)
71                return False
72            if return_code == 98:
73                return 98
74            if return_code == 99:
75                return 99
76            return True
77        except Exception as e:
78            logger.error(e)
79            raise e
80
81    @dec_stepmsg("upgrade")
82    @timeout(3600)
83    def upgrade(self):
84        '''
85        #===================================================================================
86        #   @Method:        upgrade(self)
87        #   @Precondition:  none
88        #   @Func:          升级相关业务逻辑
89        #   @PostStatus:    none
90        #   @eg:            upgrade()
91        #   @return:        True or Flase
92        #===================================================================================
93        '''
94        global local_image_path, loader_tool_path, sn, LocationID, test_num, system_type
95        system_type = platform.system()
96        hostname = socket.gethostname()
97        ipaddress = socket.gethostbyname(hostname)
98        logger.printLog("******系统ip为:%s ******" % ipaddress)
99        logger.printLog("******系统为:%s ******" % system_type)
100        if system_type == "Windows":
101            lock_file = r'C:/deviceupgrade/task.lock'
102        else:
103            lock_file = '/home/openharmony/deviceupgrade/task.lock'
104        # 如果上一个任务没执行完成,不往下继续执行
105        if not is_can_exec(lock_file):
106            return False
107        version_savepath = self.params_dict.get("img_path")
108        upgrade_test_type = self.params_dict.get("UpgradeTestType")
109        sn = self.params_dict.get("sn")
110        LocationID = self.params_dict.get("LocationID")
111        test_num = self.params_dict.get("test_num")
112        pr_url = self.params_dict.get("pr_url")
113        logFilePath = self.logFilePath
114        logger.info(logFilePath)
115        if system_type == "Windows":
116            r = logFilePath.rfind("\\")
117        else:
118            r = logFilePath.rfind("/")
119        report_path = logFilePath[:r]
120        logger.info(report_path)
121        scriptpath = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(os.path.dirname(__file__)))))
122        logger.info(scriptpath)
123        local_image_path = os.path.join(version_savepath)
124        logger.info(local_image_path)
125        if system_type == "Windows":
126            loader_tool_path = os.path.join(scriptpath, "resource", "RK3568_tool", "upgrade_tool.exe")
127        else:
128            loader_tool_path = os.path.join(scriptpath, "resource", "RK3568_tool", "upgrade_tool")
129        logger.info(loader_tool_path)
130        mini_path = os.path.join(local_image_path, "mini_system_test", "L2_mini_system_test.py")
131        archive_path = os.path.join(version_savepath)
132        if not self.check_devices_mode():
133            check_devices_cmd = "hdc list targets"
134            f = send_times(check_devices_cmd)
135            logger.info(f)
136            delete_file_lock(lock_file)
137            if not f or "Empty" in f:
138                logger.error("No devices found,please check the device.")
139                return False
140            else:
141                logger.info("3568 board is connected.")
142                return self.check_devices_mode()
143        else:
144            # 下載鏡像
145            upgrde_loader_cmd = "%s -s %s UL %s/MiniLoaderAll.bin -noreset" % (loader_tool_path, LocationID, local_image_path)
146            h = sendCmd(upgrde_loader_cmd)
147            logger.info(h)
148            if "Upgrade loader ok" not in h:
149                logger.error("Download MiniLoaderAll.bin Fail!")
150                delete_file_lock(lock_file)
151                return False
152            else:
153                logger.printLog("Download MiniLoaderAll.bin Success!")
154                # time.sleep(3)
155                write_gpt_cmd = "%s -s %s DI -p %s/parameter.txt" % (loader_tool_path, LocationID, local_image_path)
156                j = sendCmd(write_gpt_cmd)
157                logger.info(j)
158                if "Write gpt ok" not in j:
159                    logger.error("Failed to execute the parameter.txt")
160                    delete_file_lock(lock_file)
161                    return False
162                else:
163                    logger.printLog("Successfully executed parameter.txt.")
164                    # time.sleep(5)
165                    download_uboot_cmd = "%s -s %s DI -uboot %s/uboot.img %s/parameter.txt" % (
166                        loader_tool_path, LocationID, local_image_path, local_image_path)
167                    k = sendCmd(download_uboot_cmd)
168                    logger.info(k)
169                    if "Download image ok" not in k:
170                        logger.error("Failed to download the uboot.image!")
171                        delete_file_lock(lock_file)
172                        if self.check_devices_mode():
173                            return 98
174                        return False
175                    else:
176                        logger.printLog("The uboot.image downloaded successfully!")
177                        # time.sleep(5)
178                        if not self.flash_version():
179                            delete_file_lock(lock_file)
180                            return False
181                        reboot_devices_cmd = "%s -s %s RD" % (loader_tool_path, LocationID)
182                        reboot_result = sendCmd(reboot_devices_cmd)
183                        logger.info(reboot_result)
184                        time.sleep(50)
185                        # try:
186                        #     if upgrade_test_type != "mini_system_test":
187                        #         if not start_cmd(sn):
188                        #             if self.check_devices_mode():
189                        #                 return 98
190                        #             return False
191                        # except Exception as t:
192                        #     logger.info(t)
193                        #     if self.check_devices_mode():
194                        #         return 98
195                        #     return False
196                        # time.sleep(10)
197                        if "Reset Device OK" not in reboot_result:
198                            logger.error("Failed to reboot the board!")
199                            delete_file_lock(lock_file)
200                            return False
201                        else:
202                            logger.info("Reboot successfully!")
203                            #os.system("hdc -t %s shell set persist.usb.setting.gadget_conn_prompt false" % sn)
204                            delete_file_lock(lock_file)
205                            logger.printLog("******下载完成,升级成功,开始进行冒烟测试******")
206                            hdc_kill()
207                            # os.system("hdc_std -t %s shell hilog -w start" % sn)
208                            # os.system("hdc_std -t %s shell hilog -w start -t kmsg" % sn)
209                            if upgrade_test_type == "null":
210                                return True
211                            # 临时安装
212                            # self.install_third_packages()
213
214                            screenshot_path = os.path.join(local_image_path, "screenshot")
215                            script_path = os.path.join(screenshot_path, 'new_script')
216                            logger.info(script_path)
217                            # py_path = os.path.join(script_path, "main.py")
218                            py_file = "main.py"
219                            new_report_path = os.path.join(report_path, "result")
220                            logger.info(new_report_path)
221                            time_sleep = random.randint(3, 7)
222                            time.sleep(time_sleep)
223                            try:
224                                if not os.path.exists(new_report_path):
225                                    os.mkdir(new_report_path)
226                            except Exception as e:
227                                logger.error(e)
228                                return 98
229                            if upgrade_test_type == "mini_system_test":
230                                save_path = os.path.join(new_report_path)
231                                if exec_cmd(mini_path, sn, save_path, archive_path) == 98:
232                                    return 98
233                                return True
234
235                            if not upgrade_test_type or upgrade_test_type == "smoke_test":
236                                # 进到工程目录
237                                cur_path = os.getcwd()
238                                os.chdir(script_path)
239                                test_return = cmd_test(script_path, py_file, sn, test_num, new_report_path, pr_url)
240                                # 执行完回到原来的目录
241                                os.chdir(cur_path)
242                                if test_return == 1:
243                                    return True
244                                if test_return == 98:
245                                    return 98
246                                if test_return == 99:
247                                    return 99
248                                else:
249                                    return False
250
251    # def install_third_packages(self):
252    #     try:
253    #         logger.debug('python -m pip list')
254    #         rst = subprocess.run('python -m pip list', capture_output=True, shell=True, encoding='utf-8', timeout=30)
255    #         logger.debug(rst)
256    #         logger.debug('python -m pip install pytest -U')
257    #         rst = subprocess.run('python -m pip install pytest -U', capture_output=True, shell=True, encoding='utf-8', timeout=600)
258    #         logger.debug(rst)
259    #         logger.debug('python -m pip uninstall pytest-testreport -y')
260    #         rst = subprocess.run('python -m pip uninstall pytest-testreport -y', capture_output=True, shell=True, encoding='utf-8', timeout=600)
261    #         logger.debug(rst)
262    #         logger.debug('python -m pip install pytest-html -U')
263    #         rst = subprocess.run('python -m pip install pytest-html -U', capture_output=True, shell=True, encoding='utf-8', timeout=600)
264    #         logger.debug(rst)
265    #         logger.debug('python -m pip list')
266    #         rst = subprocess.run('python -m pip list', capture_output=True, shell=True, encoding='utf-8', timeout=30)
267    #         logger.debug(rst)
268    #     except:
269    #         logger.error(traceback.format_exc())
270
271    @timeout(1000)
272    def flash_version(self):
273        partList = ["boot_linux", "system", "vendor", "userdata", "resource", "ramdisk", "chipset", "sys-prod", "chip-prod"]
274        for i in partList:
275            if not os.path.exists("%s/%s.img" % (local_image_path, i)):
276                logger.printLog("%s.img is not exist, ignore" % i)
277                continue
278            loadcmd = "%s -s %s DI -%s %s/%s.img" % (loader_tool_path, LocationID, i, local_image_path, i)
279            p = sendCmd(loadcmd)
280            logger.info(p)
281            # time.sleep(5)
282            if "Download image ok" not in p:
283                logger.info("try download %s again!" % i)
284                time.sleep(1)
285                second_cmd = "%s -s %s DI -%s %s/%s.img" % (loader_tool_path, LocationID, i, local_image_path, i)
286                f = sendCmd(second_cmd)
287                logger.info(f)
288                if "Download image ok" not in f:
289                    logger.printLog("Failed to download the %s.img!" % i)
290                    if self.check_devices_mode():
291                        return 98
292                    else:
293                        return False
294                return True
295            else:
296                logger.printLog("The %s.img downloaded successfully!" % i)
297        return True
298
299    @timeout(120)
300    def check_devices_mode(self):
301        check_times = 0
302        while check_times < 5:
303            check_mode_cmd = "%s LD" % loader_tool_path
304            g = sendCmd(check_mode_cmd)
305            logger.info(g)
306            # time.sleep(40)
307            if "LocationID=%s	Mode=Loader" % LocationID in g:
308                logger.info("3568 board has entered the Loader mode successfully!")
309                return True
310            else:
311                # if test_num != "2/2":
312                #    hdc_kill()
313                os.system("hdc -t %s shell reboot loader" % sn)
314                time.sleep(8)
315                check_times += 1
316        logger.error("Failed to enter the loader mode!")
317        return False
318
319    # @dec_stepmsg("download")
320    # @timeout(360)
321    # def download(self):
322    #     '''
323    #     #===================================================================================
324    #     #   @Method:        download(self)
325    #     #   @Precondition:  none
326    #     #   @Func:          构建下载到本地的路径,执行相应包的下载
327    #     #   @PostStatus:    none
328    #     #   @eg:            download()
329    #     #   @return:        True or Flase
330    #     #===================================================================================
331    #     '''
332    #     global version_savepath, version_name
333    #     dir_path = CONSTANT.Path.getDirPath()
334    #     if self.params_dict.get("pbiid"):
335    #         version_path = self.params_dict.get("pbiid")
336    #         version_name = str(uuid.uuid5(uuid.NAMESPACE_URL, str(self.params_dict.get("pbiid")) + "FASTBOOT"))
337    #         version_savepath = os.path.join(dir_path, self.params_dict.get("flash_type"), version_name)
338    #     else:
339    #         version_path = self.params_dict.get("upgrade_upgradeLocation")
340    #         version_name = str(uuid.uuid5(uuid.NAMESPACE_URL, (self.params_dict.get("upgrade_upgradeLocation"))))
341    #         version_savepath = os.path.join(dir_path, version_name, "img")
342    #         # 执行img下载
343    #
344    #     if self.params_dict.get("isDownload") == "True":
345    #         logger.printLog("不需要做下载,直接返回")
346    #         return True
347    #
348    #     import hashlib
349    #     save_file_str = version_path.replace("/", "").replace("\\", "")
350    #     save_file_name = hashlib.sha1(save_file_str.encode("utf-8")).hexdigest()
351    #     logger.info("download hash string:%s, hash value:%s" % (save_file_str, save_file_name))
352    #     save_path_file = os.path.join(dir_path, "record", "%s%s" % (save_file_name, ".txt"))
353    #     logger.info(version_savepath)
354    #     logger.info(save_path_file)
355    #     t = version_savepath[:-4]
356    #     logger.info(t)
357    #     if not self.excutedown(version_path, version_savepath, save_path_file, False):
358    #         logger.info("download again!")
359    #         try:
360    #             if os.path.exists(t):
361    #                 shutil.rmtree(t)
362    #                 logger.info("remove dir succeed")
363    #             if os.path.exists(save_path_file):
364    #                 logger.info("remove file succeed")
365    #                 os.remove(save_path_file)
366    #         except Exception as p:
367    #             logger.error(p)
368    #             raise Exception(p)
369    #         time.sleep(15)
370    #         if not self.excutedown(version_path, version_savepath, save_path_file, False):
371    #             logger.error("download img fail")
372    #             return False
373    #
374    #     # 保存本地版本路径给devicetest去版本路径下取用例
375    #     saveVersion(save_path_file, version_savepath)
376    #     return True
377    #
378    # def excutedown(self, source_path, download_dir, suc_mark, is_file):
379    #     '''
380    #     #===================================================================================
381    #     #   @Method:        excutedown(source_path, download_dir, suc_mark, is_file)
382    #     #   @Precondition:  none
383    #     #   @Func:          执行下载动作
384    #     #   @PostStatus:    none
385    #     #   @Param:         source_path:资源文件路径
386    #     #                   download_dir:文件下载到本地的文件夹路径
387    #     #                   is_file:是否是文件
388    #     #   @eg:            excutedown("xxxx", "D:\\local\\image", suc_mark, Flase)
389    #     #   @return:        True or Flase
390    #     #===================================================================================
391    #     '''
392    #     failed_mark = os.path.join(download_dir, failed_file)
393    #     lock_path = os.path.join(download_dir, lock_suffix)
394    #     file_lock = FileLock()
395    #
396    #     if isDownLoadSuccess(download_dir, suc_mark, failed_mark):
397    #         return True
398    #     try:
399    #         nowtime = get_now_time_str_info()
400    #         logger.printLog("%s Downloading, please wait" % nowtime)
401    #         file_lock.lockFile(lock_path)
402    #         ret = ""
403    #         logger.info("Get lock. Start to ")
404    #         try:
405    #             if self.params_dict.get("bt_enable") and self.params_dict.get("bt_enable") == "True":
406    #                 ret = downloadByBitComet(source_path, download_dir, os_method)
407    #             elif source_path.startswith('\\\\'):
408    #                 ret = downloadByCopy(source_path, download_dir, is_file)
409    #             elif self.params_dict.get("pbiid"):
410    #                 ret = downlaodByDownloadTool(version_savepath, self.params_dict.get("version_type"), "FASTBOOT",
411    #                                              self.params_dict.get("pbiid"))
412    #             elif source_path.startswith("http"):
413    #                 ret = run_download(source_path, download_dir)
414    #         except Exception as f:
415    #             logger.error(f)
416    #
417    #         if source_path.endswith(".zip"):
418    #             zip_name = os.path.basename(source_path)
419    #             ret = extractZipFile(os.path.join(download_dir, zip_name), download_dir)
420    #         if source_path.endswith(".tar.gz") or (source_path.startswith("http") and ("file_id=" in source_path)):
421    #             if source_path.startswith("http") and ("file_id=" in source_path):
422    #                 if source_path.endswith(".tar.gz"):
423    #                     zip_name = source_path.split('=')[-1]
424    #                 else:
425    #                     zip_name = "out.tar.gz"
426    #             else:
427    #                 zip_name = os.path.basename(source_path)
428    #             ret = unTarFile(os.path.join(download_dir, zip_name), download_dir)
429    #         nowtime = get_now_time_str_info()
430    #         logger.printLog("%s download to %s end" % (nowtime, download_dir))
431    #
432    #         if not ret:
433    #             with open(failed_mark, "a+") as fp:
434    #                 fp.write("")
435    #         return ret
436    #     except Exception as e:
437    #         logger.printLog(e)
438    #         #raise Exception(e)
439    #     finally:
440    #         file_lock.releaseFile()
441
442
443@timeout(30)
444def hdc_kill():
445    logger.info("kill the process")
446    os.system("hdc kill")
447    time.sleep(2)
448    logger.info("start the process")
449    os.system("hdc -l5 start")
450    # time.sleep(10)
451
452
453def sendCmd(mycmd):
454    result = "".join(os.popen(mycmd).readlines())
455    return result
456
457
458def send_times(mycmd):
459    times = 0
460    outcome = sendCmd(mycmd)
461    while times < 3:
462        if not outcome or "Empty" in outcome:
463            times += 1
464            time.sleep(3)
465        else:
466            time.sleep(3)
467            return outcome
468    return outcome
469
470
471@timeout(180)
472def start_cmd(sn):
473    try:
474        os.system("hdc -l5 start")
475        # power_cmd = "hdc -t %s shell \"power-shell setmode 602\"" % sn
476        hilog_cmd = "hdc -t %s shell \"hilog -w start -l 400000000 -m none\"" % sn
477        # logger.info(power_cmd)
478        logger.info(hilog_cmd)
479        # power_result = sendCmd(power_cmd)
480        # logger.info(power_result)
481        # if not power_result:
482        #     return False
483        # number = 0
484        # while "Set Mode Success" not in power_result and number < 30:
485        #     time.sleep(4)
486        #     power_result = sendCmd(power_cmd)
487        #     logger.info(power_result)
488        #     number += 1
489        #     if number >= 20:
490        #         logger.error("Set mode failed")
491        #         return False
492        hilog_result = sendCmd(hilog_cmd)
493        logger.info(hilog_result)
494        return True
495    except Exception as e:
496        logger.error(e)
497        return False
498
499
500@timeout(900)
501def cmd_test(screenshot_path, py_file, device_num, test_num, new_report_path, pr):
502    global total_time
503    save_screenshot_path = os.path.join(new_report_path, "screenshot_result")
504    logger.info(save_screenshot_path)
505    time_sleep = random.randint(1, 5)
506    time.sleep(time_sleep)
507    try:
508        if not os.path.exists(save_screenshot_path):
509            os.mkdir(save_screenshot_path)
510        logger.info(save_screenshot_path)
511        base_screenshot_path = os.path.join(new_report_path, "screenshot_base")
512        if not os.path.exists(base_screenshot_path):
513            os.mkdir(base_screenshot_path)
514        logger.info(base_screenshot_path)
515    except Exception as e:
516        logger.error(e)
517        return 98
518    # config_path = os.path.join(screenshot_path, "app_capture_screen_test_config.json")
519    py_cmd = "python {} --device_num {} --test_num {} --save_path {} --pr {}".format(py_file, device_num, test_num, save_screenshot_path, pr)
520    time1 = time.time()
521    result = outCmd(py_cmd, save_screenshot_path, base_screenshot_path, screenshot_path)
522    time2 = time.time()
523    total_time = int(time2 - time1)
524    logger.info("total_time: %s" % total_time)
525    if result == 1:
526        return True
527    if result == 98:
528        return 98
529    if result == 99:
530        return 99
531    else:
532        return False
533
534
535@timeout(900)
536def outCmd(cmd, save_screenshot_path, base_screenshot_path, script_path):
537    logger.info("cmd is: %s" % cmd)
538    p = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, encoding='utf-8', errors='ignore', universal_newlines=True)
539    # p = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, errors='ignore', universal_newlines=True)
540    curline = p.stdout.readline()
541    # list_png_name = []
542    try:
543        while "End of check" not in curline:
544            curline = p.stdout.readline()
545            logger.info(curline)
546            if 'SmokeTest: End of check, test succeeded!' in curline:
547                return True
548            # if "abnarmal" in curline:
549            #     png_name = curline.split(" ")[3].split(".")[0]
550            #     list_png_name.append(png_name)
551            if "SmokeTest find some fatal problems" in curline:
552                logger.error("SmokeTest find some fatal problems!")
553                return 99
554    except Exception as e:
555        logger.error(e)
556        logger.error("execute smoke_test.py failed!")
557        return 99
558    # l = list(set(list_png_name))
559    # if l:
560    #     logger.error(l)
561    try:
562        resource_path = os.path.join(script_path, 'resource')
563        for jpeg_file in os.listdir(resource_path):
564            if jpeg_file.endswith('jpeg'):
565                result = os.path.join(resource_path, jpeg_file)
566                base = os.path.join(base_screenshot_path, jpeg_file)
567                shutil.copy(result, base)
568    except Exception as t:
569        logger.info(t)
570    p.wait()
571    logger.info("p.returncode %s" % p.returncode)
572    if p.returncode == 0:
573        logger.info("screenshot check is ok!")
574        return True
575    if p.returncode == 101:
576        logger.error("device disconnection, please check the device!")
577        return False
578    logger.error("screenshot test failed, check the %s" % save_screenshot_path)
579    return 98
580
581
582@timeout(1000)
583def exec_cmd(mini_path, sn, save_path, archive_path):
584    cmd = "python %s --device_num %s --save_path %s --archive_path %s" % (mini_path, sn, save_path, archive_path)
585    p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, encoding="gbk")
586    curline = p.stdout.readline()
587    try:
588        while "End of check" not in curline:
589            curline = p.stdout.readline()
590            logger.info(curline)
591    except Exception as e:
592        logger.error(e)
593    p.wait()
594    logger.info("p.returncode %s" % p.returncode)
595    if p.returncode == 0:
596        logger.info("mini_system_test is ok!")
597        return True
598    logger.error("mini_system_test failed!")
599    return 98
600
601@timeout(1000)
602def is_can_exec(lock_file):
603    """
604    判断升级是否可以执行
605    @param lock_file: 文件路径
606    """
607    lock_duration = 10 * 60  # 10分钟(以秒为单位)
608    if os.getenv('wait_time') is not None:
609        lock_duration = int(os.getenv('wait_time'))
610    # 检查锁文件
611    if os.path.exists(lock_file):
612        # 获取锁文件的创建时间
613        lock_time = os.path.getmtime(lock_file)
614        current_time = time.time()
615        # 判断锁是否超时
616        if (current_time - lock_time) < lock_duration:
617            logger.error("ask is already running. Exiting.")
618            return False
619        else:
620            logger.warning("ask running time is more than %s second, can exec" % lock_duration)
621            delete_file_lock(lock_file)
622            create_file_lock(lock_file)
623            return True
624    else:
625        logger.info("no tasks are being executed")
626        create_file_lock(lock_file)
627    return True
628
629def create_file_lock(lock_file):
630    """
631    创建文件锁
632    @param lock_file: 文件路径
633    """
634    directory = os.path.dirname(lock_file)
635    if not os.path.exists(directory):
636        os.makedirs(directory)
637    logger.info("create_file_lock")
638    with open(lock_file, 'w') as f:
639        f.write('locked, please can not delete')
640def delete_file_lock(lock_file):
641    """
642    删除文件
643    @param lock_file: 文件路径
644    """
645    logger.info("delete_file_lock")
646    if os.path.exists(lock_file):
647        os.remove(lock_file)