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    監(jiān)控python logcat關(guān)鍵字

    監(jiān)控python logcat關(guān)鍵字

    相關(guān)學(xué)習(xí)推薦:python教程

    本文主要介紹使用Python調(diào)用ADB命令實(shí)現(xiàn)實(shí)時(shí)監(jiān)控logcat關(guān)鍵字的功能

    采用多進(jìn)程,可同時(shí)監(jiān)控多個(gè)設(shè)備,監(jiān)控多個(gè)關(guān)鍵字。

    需要配置ADB環(huán)境,具體配置就不多介紹,隨便搜一下一大把,直接上代碼

    通過(guò)一個(gè)全局變量控制開啟和關(guān)閉監(jiān)控功能, INSTRUCTION 用于根據(jù)指令獲取對(duì)應(yīng)的方法名

    import os, threading, datetime  # 獲取當(dāng)前文件所在目錄,拼接出LOG路徑 LOG_PATH = os.path.join(os.path.dirname(os.path.abspath(__file__)), "log")  # 配置需要監(jiān)控的關(guān)鍵字 KEYWORDS = ["ANR ", "NullPointerException", "CRASH", "Force Closed"]  # 控制開啟和關(guān)閉 STOP_LOGCAT = True  # 指令對(duì)應(yīng)具體操作 INSTRUCTION = {                "1": "filter_keywords",                "2": "stop_filter_keywords",                "3": "exit"                }   def filter_keywords():     global STOP_LOGCAT     STOP_LOGCAT = False     devices = get_devices()  # 先獲取所有連接的設(shè)備     print("開始監(jiān)控關(guān)鍵字")     for device in devices:         t = threading.Thread(target=filter_keyword, args=(device,))         t.start()   def stop_filter_keywords():     global STOP_LOGCAT     if STOP_LOGCAT:         print("沒有正在執(zhí)行的任務(wù)n")     else:         STOP_LOGCAT = True         print("正在停止關(guān)鍵字監(jiān)控n")

    監(jiān)控關(guān)鍵字主函數(shù),

    def filter_keyword(device):     print("設(shè)備%s關(guān)鍵字監(jiān)控已開啟" % str(device))     sub = logcat(device)     with sub:         for line in sub.stdout: # 子進(jìn)程會(huì)持續(xù)輸出日志,對(duì)子進(jìn)程對(duì)象.stdout進(jìn)行循環(huán)讀取             for key in KEYWORDS:                 if line.decode("utf-8").find(key) != -1: # stdout輸出為字節(jié)類型,需要轉(zhuǎn)碼                     message = "設(shè)備:%s 檢測(cè)到:%sn" % (device, key)# 設(shè)備:192.168.56.104:5555 檢測(cè)到:ANR                     path = get_log_path("bugreport") # 根據(jù)時(shí)間創(chuàng)建文件夾                     bugreport(device, path)# 拉取完整日志壓縮包到創(chuàng)建的文件夾內(nèi)                     send_message(message) # 這里可以換成自己要做的事情,比如發(fā)送郵件或釘釘通知             if STOP_LOGCAT:                 break         print("設(shè)備%s關(guān)鍵字監(jiān)控已停止" % str(device))         sub.kill()

    通過(guò) subprocess.Popen 創(chuàng)建進(jìn)程執(zhí)行命令,持續(xù)輸出日志到 stdout

    # logcat持續(xù)輸出日志 def logcat(device):     command = "adb -s " + str(device) + " logcat -v time"     sub = subprocess.Popen(command, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)     return sub

    獲取所有已連接設(shè)備的方法,執(zhí)行"adb devices"后輸出如下,通過(guò)對(duì)命令執(zhí)行拿到的字符串切割獲取所有設(shè)備號(hào)以列表方式存儲(chǔ)

    監(jiān)控python logcat關(guān)鍵字

    # 獲取所有device def get_devices():     command = "adb devices"     res = os.popen(command).read()     devices = []     res = res.split("n")     for i in res:         if i.endswith("device"):             devices.append(i.split('t')[0])     return devices
    # 打包下載所有日志到當(dāng)前目錄 def bugreport(device, path):     os.chdir(path)# bugreport會(huì)下載日志到當(dāng)前文件夾,所以需要先切換到已經(jīng)創(chuàng)建的目錄     command = "adb -s " + str(device) + " bugreport"     subprocess.Popen(command, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE, bufsize=-1)     print("設(shè)備:%s 日志路徑:%s" % (str(device), path))

    以 當(dāng)前文件所在目錄/年/月/日 格式獲取日志路徑,如果不存在自動(dòng)創(chuàng)建

    # 獲取日志存放路徑,如果不存在則按日期創(chuàng)建 def get_log_path(tag):     year = datetime.datetime.now().strftime('%Y')     month = datetime.datetime.now().strftime('%m')     day = datetime.datetime.now().strftime('%d')     path = os.path.join(LOG_PATH, tag, year, month, day)     if not os.path.exists(path):         os.makedirs(path)     return path

    main函數(shù),循環(huán)接收指令,根據(jù)接收的指令拿到方法名,并通過(guò)eval()方法執(zhí)行。

    def main():     while True:         print("-" * 100)         print("1:開啟關(guān)鍵字監(jiān)控n2:停止關(guān)鍵字監(jiān)控n3:退出")         print("-" * 100)         instruction = str(input("nn請(qǐng)輸入要進(jìn)行的操作號(hào):n"))         print("-" * 100)         while instruction not in INSTRUCTION.keys():             instruction = str(input("nn輸入無(wú)效,請(qǐng)重新輸入:"))         if int(instruction) == 9:             exit()  # TODO 退出前需要判斷是否有正在執(zhí)行的monkey任務(wù)和關(guān)鍵字監(jiān)控任務(wù)         eval(INSTRUCTION[str(instruction)] + "()")   if __name__ == '__main__':     main()

    代碼分段之后有點(diǎn)凌亂,看不明白可以把代碼復(fù)制到一個(gè)文件里捋一下就明白了

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