将以上代码改成以下格式os.system("adb " + "-s" + " " + sn + " " + " pull /sdcard/screencap.png " + file_name)
时间: 2024-10-23 08:09:55 浏览: 12
这段代码看起来是在Linux或Windows系统中,通过Python运行ADB命令(Android Debug Bridge),从手机的屏幕截图目录提取图片并保存到本地。如果你想将其调整成指定格式,尤其是加入`os.system()`函数调用,并包含设备序列号(sn),以及屏幕截图文件名(file_name),可以这样重构:
```python
import os
# 设备序列号
serial_number = "your_device_sn"
# 屏幕截图目录
screen_cap_dir = "/sdcard/screencap/"
# 图片文件名
file_name = "screenshot.png"
# 合并为完整的adb pull命令
command = "adb -s {} pull {} {}".format(serial_number, screen_cap_dir + file_name, file_name)
# 执行系统命令
os.system(command)
# 检查命令执行状态
if os.WEXITSTATUS(os.system(command)) != 0:
print("屏幕截图抓取失败")
相关问题
os.system("adb pull /sdcard/screencap.png " + file_name)修改以上代码
`os.system("adb pull /sdcard/screencap.png " + file_name)` 这段代码用于通过命令行执行 Android Debug Bridge (ADB) 命令,从手机的外部存储卡 `/sdcard` 下拉名为 "screencap.png" 的文件,并将其保存到本地,指定的本地文件名是变量 `file_name`。
如果你想对这个代码做些修改,可以考虑以下几个方面:
1. **异常处理**:添加异常处理结构,比如使用 try-except 子句,以防 ADB 操作失败或者找不到文件。
```python
try:
os.system(f"adb pull /sdcard/{screencap_file} {file_name}")
except Exception as e:
print(f"Failed to pull file with error: {e}")
```
2. **路径检查**:如果 `/sdcard` 可能不存在,或者 `screencap.png` 不存在,可以在执行前检查文件是否存在。
```python
if os.path.exists("/sdcard/screencap.png"):
os.system(f"adb pull /sdcard/screencap.png {file_name}")
else:
print("File not found on device.")
```
3. **替换动态屏幕截图文件名**:如果 `screencap_file` 是动态生成的,需要更新这部分,使其与实际图片文件名相符。
```python
screencap_file = "my_screenshot.png"
os.system(f"adb pull /sdcard/{screencap_file} {file_name}")
```
4. **使用非系统函数**:为了提高代码的可读性和安全性,你可以选择使用 Python 的 `subprocess` 库替代 `os.system`,这允许你更好地控制进程。
```python
import subprocess
try:
subprocess.check_call(["adb", "pull", "/sdcard/screencap.png", file_name])
except subprocess.CalledProcessError as e:
print(f"Command failed with error code: {e.returncode}")
```
#!/bin/bash # Assets TEST_IMG=demo.png SDK_ROOT=$PWD TEST_ROOT=$PWD BIN_NAME=test_demo DEVICE_TEST_PATH=/data/local/tmp/ts_ai_sdk_test MODEL_PATH=/sdcard/models RUSULT=/data/local/tmp/ts_ai_sdk_test/results/ RUNTIME=DSP adb root # Push test assets adb shell rm -rf $DEVICE_TEST_PATH # adb shell rm -rf $MODEL_PATH adb shell mkdir -p $DEVICE_TEST_PATH/jpgs adb shell mkdir -p $DEVICE_TEST_PATH/results/post_result adb shell mkdir -p $DEVICE_TEST_PATH/results/img_result #adb shell mkdir -p $MODEL_PATH adb push images/* $DEVICE_TEST_PATH/jpgs # Push SNPE libraries adb push ${SDK_ROOT}/libs/ $DEVICE_TEST_PATH adb push ${SDK_ROOT}/models/model.exf $DEVICE_TEST_PATH/ # Push executable adb push build/$BIN_NAME $DEVICE_TEST_PATH # Test adb shell "chmod +x $DEVICE_TEST_PATH/$BIN_NAME" echo "Running on Android device ..." echo "LD_LIBRARY_PATH='$DEVICE_TEST_PATH/libs' $DEVICE_TEST_PATH/$BIN_NAME $DEVICE_TEST_PATH/jpgs $RUSULT $DEVICE_TEST_PATH/model.exf" echo "Done." adb shell "LD_LIBRARY_PATH='$DEVICE_TEST_PATH/libs' $DEVICE_TEST_PATH/$BIN_NAME $DEVICE_TEST_PATH/jpgs $RUSULT $DEVICE_TEST_PATH/model.exf" # Pull result adb pull $DEVICE_TEST_PATH/results/ . sleep 1改为bat脚本
将该脚本转换为 Windows 的 batch 脚本,需要进行以下修改:
1. 更改第一行为 `@echo off`,表示关闭命令回显。
2. 将变量的赋值方式从 `$变量名=值` 改为 `set 变量名=值`。
3. 将 `adb` 命令行中的路径分隔符 `/` 改为 Windows 下的路径分隔符 `\`。
4. 在执行命令行时需要使用 `call` 命令。
修改后的 batch 脚本如下:
```
@echo off
REM Assets
set TEST_IMG=demo.png
set SDK_ROOT=%cd%
set TEST_ROOT=%cd%
set BIN_NAME=test_demo
set DEVICE_TEST_PATH=/data/local/tmp/ts_ai_sdk_test
set MODEL_PATH=/sdcard/models
set RESULT=/data/local/tmp/ts_ai_sdk_test/results/
set RUNTIME=DSP
REM Push test assets
adb root
adb shell rm -rf %DEVICE_TEST_PATH%
adb shell mkdir -p %DEVICE_TEST_PATH%/jpgs
adb shell mkdir -p %DEVICE_TEST_PATH%/results/post_result
adb shell mkdir -p %DEVICE_TEST_PATH%/results/img_result
adb push images\* %DEVICE_TEST_PATH%/jpgs
REM Push SNPE libraries
adb push %SDK_ROOT%\libs\ %DEVICE_TEST_PATH%
adb push %SDK_ROOT%\models\model.exf %DEVICE_TEST_PATH%\
REM Push executable
adb push build\%BIN_NAME% %DEVICE_TEST_PATH%\
REM Test
adb shell "chmod +x %DEVICE_TEST_PATH%\%BIN_NAME%"
echo Running on Android device ...
echo "LD_LIBRARY_PATH='%DEVICE_TEST_PATH%\libs' %DEVICE_TEST_PATH%\%BIN_NAME% %DEVICE_TEST_PATH%/jpgs %RESULT% %DEVICE_TEST_PATH%/model.exf"
echo Done.
call adb shell "LD_LIBRARY_PATH='%DEVICE_TEST_PATH%\libs' %DEVICE_TEST_PATH%\%BIN_NAME% %DEVICE_TEST_PATH%/jpgs %RESULT% %DEVICE_TEST_PATH%\model.exf"
REM Pull result
adb pull %DEVICE_TEST_PATH%/results/ .
timeout /t 1
```
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