Adb extraer archivo en una carpeta específica de Pc

Quiero guardar la captura de pantalla creada, en una carpeta específica de mi PC.

cmd = 'adb shell screencap -p /sdcard/screen.png' subprocess.Popen(cmd.split()) time.sleep(5) cmd ='adb pull /sdcard/screen.png screen.png' subprocess.Popen(cmd.split()) 

Este trabajo si quiero la imagen en mi espacio de trabajo. Pero si quiero tirar de la captura de pantalla en otra carpeta no funcionan.

 cmd ='adb pull /sdcard/screen.png C:\Users\xxx\Desktop\prova\screen.png' subprocess.Popen(cmd.split()) 

Si ejecuto el comando de cmd tengo: Android Debug Bridge versión 1.0.31

 -d - directs command to the only connected USB device returns an error if more than one USB device is present. -e - directs command to the only running emulator. returns an error if more than one emulator is running. -s <specific device> - directs command to the device or emulator with the given serial number or qualifier. Overrides ANDROID_SERIAL environment variable. -p <product name or path> - simple product name like 'sooner', or a relative/absolute path to a product out directory like 'out/target/product/sooner'. If -p is not specified, the ANDROID_PRODUCT_OUT environment variable is used, which must be an absolute path. devices [-l] - list all connected devices ('-l' will also list device qualifiers) connect <host>[:<port>] - connect to a device via TCP/IP Port 5555 is used by default if no port number is specified. disconnect [<host>[:<port>]] - disconnect from a TCP/IP device. Port 5555 is used by default if no port number is specified. Using this command with no additional arguments will disconnect from all connected TCP/IP devices. device commands: adb push <local> <remote> - copy file/dir to device adb pull <remote> [<local>] - copy file/dir from device adb sync [ <directory> ] - copy host->device only if changed (-l means list but don't copy) (see 'adb help all') adb shell - run remote shell interactively adb shell <command> - run remote shell command adb emu <command> - run emulator console command adb logcat [ <filter-spec> ] - View device log adb forward <local> <remote> - forward socket connections forward specs are one of: tcp:<port> localabstract:<unix domain socket name> localreserved:<unix domain socket name> localfilesystem:<unix domain socket name> dev:<character device name> jdwp:<process pid> (remote only) adb jdwp - list PIDs of processes hosting a JDWP transport adb install [-l] [-r] [-s] [--algo <algorithm name> --key <hex-encoded key> --iv <hex-encoded iv>] <file> - push this package file to the device and install it ('-l' means forward-lock the app) ('-r' means reinstall the app, keeping its data) ('-s' means install on SD card instead of internal storage) ('--algo', '--key', and '--iv' mean the file is encrypted already) adb uninstall [-k] <package> - remove this app package from the device ('-k' means keep the data and cache directories) adb bugreport - return all information from the device that should be included in a bug report. adb backup [-f <file>] [-apk|-noapk] [-shared|-noshared] [-all] [-system|-nosystem] [<packages...>] - write an archive of the device's data to <file>. If no -f option is supplied then the data is written to "backup.ab" in the current directory. (-apk|-noapk enable/disable backup of the .apks themselves in the archive; the default is noapk.) (-shared|-noshared enable/disable backup of the device's shared storage / SD card contents; the default is noshared.) (-all means to back up all installed applications) (-system|-nosystem toggles whether -all automatically includes system applications; the default is to include system apps) (<packages...> is the list of applications to be backed up. If the -all or -shared flags are passed, then the package list is optional. Applications explicitly given on the command line will be included even if -nosystem would ordinarily cause them to be omitted.) adb restore <file> - restore device contents from the <file> backup archive adb help - show this help message adb version - show version num scripting: adb wait-for-device - block until device is online adb start-server - ensure that there is a server running adb kill-server - kill the server if it is running adb get-state - prints: offline | bootloader | device adb get-serialno - prints: <serial-number> adb get-devpath - prints: <device-path> adb status-window - continuously print device status for a specified device adb remount - remounts the /system partition on the device read-write adb reboot [bootloader|recovery] - reboots the device, optionally into the bootloader or recovery program adb reboot-bootloader - reboots the device into the bootloader adb root - restarts the adbd daemon with root permissions adb usb - restarts the adbd daemon listening on USB adb tcpip <port> - restarts the adbd daemon listening on TCP on the specified port networking: adb ppp <tty> [parameters] - Run PPP over USB. Note: you should not automatically start a PPP connection. <tty> refers to the tty for PPP stream. Eg. dev:/dev/omap_csmi_tty1 [parameters] - Eg. defaultroute debug dump local notty usepeerdns adb sync notes: adb sync [ <directory> ] <localdir> can be interpreted in several ways: - If <directory> is not specified, both /system and /data partitions will be updated. - If it is "system" or "data", only the corresponding partition is updated. environmental variables: ADB_TRACE - Print debug information. A comma separated list of the following values 1 or all, adb, sockets, packets, rwx, usb, sync, sysdeps, transport, jdwp ANDROID_SERIAL - The serial number to connect to. -s takes priority over this if given. ANDROID_LOG_TAGS - When used with the logcat option, only these debug tags are printed. 

que puedo hacer?

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