Python如何通过subprocess调用adb命令详解
前言
本文主要给大家介绍了关于使用Python通过subprocess调用adb命令,subprocess包主要功能是执行外部命令(相对Python而言)。和shell类似。
换言之除了adb命令外,利用subprocess可以执行其他的命令,比如ls,cd等等。
subprocess 可参考: https://docs.python.org/2/library/subprocess.html
在电脑上装好adb工具,配置好adb的环境变量,先确保shell中可以调用adb命令。
代码示例
Python2.7
类 Adb,封装了一些adb的方法
import os import subprocess class Adb(object): """ Provides some adb methods """ @staticmethod def adb_devices(): """ Do adb devices :return The first connected device ID """ cmd = "adb devices" c_line = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE).communicate()[0] if c_line.find("List of devices attached") < 0: # adb is not working return None return c_line.split("\t")[0].split("\r\n")[-1] # This line may have different format @staticmethod def pull_sd_dcim(device, target_dir='E:/files'): """ Pull DCIM files from device """ print "Pulling files" des_path = os.path.join(target_dir, device) if not os.path.exists(des_path): os.makedirs(des_path) print des_path cmd = "adb pull /sdcard/DCIM/ " + des_path result = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE).communicate() print result print "Finish!" return des_path @staticmethod def some_adb_cmd(): p = subprocess.Popen('adb shell cd sdcard&&ls&&cd ../sys&&ls', stdout=subprocess.PIPE, stderr=subprocess.PIPE) return_code = p.poll() while return_code is None: line = p.stdout.readline() return_code = p.poll() line = line.strip() if line: print line print "Done"
some_adb_cmd方法执行一连串的命令。各个命令之间用&&连接。
接着是一个死循环,将执行结果打印出来。
总结
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