使用python 链接 ADCS FTP 服务批量下载和上传文件
Published in：2023-07-31 |
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使用python 链接 ADCS FTP 服务批量下载和上传文件

基础环境

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PyCharm IDE
PDCU or ADCU hardware
Python >= 3.8

准备工作

  • ADCS开启FTP服务，端口20或21
  • python编写程序操作

测试环境

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ubuntu >= 22.04
python >= 3.8
PyCharm IDE

代码编写

FTP服务开启

基于ubuntu 22.04 系统开启ftp服务，使用python代码测试是否连接成功。

FTP服务开启

  • ssh服务开启

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    sudo apt update
    sudo apt install openssh-server
    lsof -i:21

  • ftp服务开启

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    sudo apt-get install vsftpd
    # 更改配置
    sudo vi /etc/vsftpd.conf
    local_enable=YES
    write_enable=YES
    # 重启服务生效
    sudo service vsftpd restart

  • ftp与ssh测试

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    # ftp 
    ftp ip

    # ssh
    ssh root@ip

sfpt链接服务器

  • 代码如下:
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    @logger.catch
    def ftp_connect(host, port, username, password):
        cnopts = pysftp.CnOpts()
        cnopts.hostkeys = None
        myHostname = host
        myUsername = username
        myPassword = password

        sftp = pysftp.Connection(host=myHostname, username=myUsername, password=myPassword, cnopts=cnopts)
        logger.debug("Connection succesfully stablished ... ")
        directory_structure = sftp.listdir_attr()
        for attr in directory_structure:
            logger.debug(attr.filename, attr)
        return sftp, directory_structure

sftp批量下载文件

  • 使用sftp.get()方法下载文件，构造指定函数下载
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    @logger.catch
    def download_file(sftp, LocalFile, RemoteFile):  # 下载当个文件
        """
        download point file from remote PDCU
        :param sftp:
        :param LocalFile: local file dir
        :param RemoteFile: remote pdcu file
        :return:
        """
        file_handler = open(LocalFile, 'wb')
        logger.debug(" download file dir : " + LocalFile)
        sftp.get(RemoteFile, LocalFile)  # 下载目录中文件
        file_handler.close()
        return True
  • 抑或目录：
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    @logger.catch
    def download_filetree(sftp, LocalDir, RemoteDir):  # 下载整个目录下的文件
        """
        download point file and dir from remote PDCU
        :param sftp:
        :param LocalDir: local file dir
        :param RemoteDir: remote pdcu file
        :return:
        """
        if not os.path.exists(LocalDir):
            os.makedirs(LocalDir)
        logger.debug(" download file dir : " + LocalDir)
        for file in sftp.listdir(RemoteDir):
            Local = os.path.join(LocalDir, file)
            Remote = RemoteDir + "/" + file
            if sftp.isdir(Remote):  # 判断是否是文件
                if not os.path.exists(Local):
                    os.makedirs(Local)
                download_filetree(sftp, Local, Remote)
            elif sftp.isfile(Remote):  # 文件
                download_file(sftp, Local, Remote)
            else:
                logger.error(" you input path or file is incorrect!, detail path or file  :" + Remote)
        return "complete"

sftp上传指定文件

  • 参考如下：
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    # 判断sftp服务端中文件路径是否存在，若不存在则创建
    @logger.catch
    def create_dir(sftp, remoteDir):
        try:
            if stat.S_ISDIR(sftp.stat(remoteDir).st_mode):  # 如果remoteDir存在且为目录，则返回True
                pass
        except Exception as e:
            sftp.mkdir(remoteDir)
            print("在远程sftp上创建目录：{}".format(remoteDir))


    # 上传
    @logger.catch
    def sftp_upload(sftp, localDir, remoteDir):
        if os.path.isdir(localDir):  # 判断本地localDir是否为目录
            for file in os.listdir(localDir):
                remoteDirTmp = os.path.join(remoteDir, file)
                localDirTmp = os.path.join(localDir, file)
                if os.path.isdir(localDirTmp):  # 如果本地localDirTmp为目录，则对远程sftp服务器进行判断
                    create_dir(sftp, remoteDirTmp)  # 判断sftp服务端文件目录是否存在,若不存在则创建
                sftp_upload(sftp, localDirTmp, remoteDirTmp)
        else:
            print("upload file:", localDir)
            try:
                sftp.put(localDir, remoteDir)
            except Exception as e:
                print('upload error:', e)


    if __name__ == '__main__':
        host = '192.168.149.153'  # sftp主机
        port = 22  # 端口
        username = 'sftpuser'  # sftp用户名
        password = 'passwd'  # 密码
        localDir = '/test/sftp'  # 本地文件或目录
        remoteDir = '/sftp'  # 远程文件或目录（注意远程路径要存在）
        sf = paramiko.Transport((host, port))
        sf.connect(username=username, password=password)
        sftp = paramiko.SFTPClient.from_transport(sf)
        sftp_upload(sftp, localDir, remoteDir)
        sf.close()

sftp获取文件状态

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def clear_dir(path):
    """
    清空文件夹：如果文件夹不存在就创建，如果文件存在就清空！
    :param path: 文件夹路径
    :return:
    """
    import os
    import shutil
    try:
        if not os.path.exists(path):
            os.makedirs(path)
        else:
            shutil.rmtree(path)
            os.makedirs(path)
        return True
    except:
        return False


@logger.catch
def cmd(self, sftp, command):
    """
    执行命令
    :param command:
    :return:
    """
    # with SSHConnectionManager(**self.ssh_args) as ssh:
    return sftp.cmd(f"{command}")


@logger.catch
def exists(self, sftp, path):
    """
    判断路径是否存在
    :param path:
    :return:
    """
    is_exists = False
    # with SSHConnectionManager(**self.ssh_args) as ssh:
    result = sftp.cmd(f"find {path}")
    if result:
        is_exists = True

    return is_exists


@logger.catch
def is_file(self, sftp, path):
    """
    判断路径是否是文件
    :param path:
    :return:
    """
    if self.exists(path):
        # with SSHConnectionManager(**self.ssh_args) as ssh:
        prefix = sftp.cmd(f"ls -ld {path}")[0]
        if prefix == '-':
            return True
        else:
            return False
    else:
        return False


@logger.catch
def is_dir(self, sftp, path):
    """
    判断路径是否是目录
    :param path:
    :return:
    """
    if self.exists(path):
        # with SSHConnectionManager(**self.ssh_args) as ssh:
        prefix = sftp.cmd(f"ls -ld {path}")[0]
        if prefix == 'd':
            return True
        else:
            return False
    else:
        return False


@logger.catch
def makedirs(self, sftp, path):
    """
    创建目录
    :param path: 远程文件夹路径
    :return:
    """
    # with SSHConnectionManager(**self.ssh_args) as ssh:
    cmd_str = f"mkdir -p {path}"
    print(cmd_str)
    sftp.cmd(cmd_str)

UI编写

UI绘制采用tkinter 第三方库绘制 ，示例代码如下：

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class FileDownload:
    def __init__(self, master):
        self.file_path = StringVar()
        self.file_path.set('请输入下载文件地址:')
        self.src_dir = ''
        self.urls = []
        # tkinter刚开始不熟悉，布局麻烦，这里使用的网格布局，row，column 的index，定位cell
        open_btn = Button(master, text="链接ftp服务", width=15, height=3, borderwidth=2,
                          command=self.connect_ftp_service)
        download_btn = Button(master, text="开始下载文件", width=15, height=3, borderwidth=2,
                              command=self.file_download)
        # self.file_path = Text(master, width=200, height=3)
        # self.file_path.grid(row=2, column=1, columnspan=2, ipadx=10, ipady=10)
        open_btn.grid(row=0, column=0, ipadx=5, ipady=3, padx=10, pady=3)
        download_btn.grid(row=1, column=0, ipadx=5, ipady=3, padx=10, pady=3)
        # 文件输入路径获取
        self.file_label = Entry(master, textvariable=self.file_path, fg='green', bg='white')
        self.file_label.grid(row=0, column=1, rowspan=2, ipadx=200, ipady=15, padx=10, pady=2)  # ,padx=20,pady=10,
        # self.console_text = StringVar()
        self.text = Text(master, width=200, height=50, bg='white', fg='blue')
        self.text.grid(row=2, columnspan=2, ipadx=10, ipady=10)
        # self.file_path.pack()
        # self.text.setvar("aaaaa")# self.file_name = StringVar()


def server_msg_input(self):
    """

    :return: ip port username psd
    """
    # 初始化弹出输入对话框
    child = tkinter.Tk()
    # 弹出对话框的title
    child.title('服务器账户信息输入')
    child['height'] = 260
    child['width'] = 320
    child.resizable(0, 0)
    # 设置弹出对话的框的标签值
    ip_label = tkinter.Label(child, text='IP:', font=('黑体', 12))
    ip_label.place(x=25, y=20)
    # 弹出输入对话框请获取相应的值
    ip_str = tkinter.StringVar()
    ip_entry = tkinter.Entry(child, font=('黑体', 12), textvariable=ip_str)
    ip_entry.place(x=100, y=20)

    port_label = tkinter.Label(child, text='port:', font=('黑体', 12))
    port_label.place(x=25, y=60)
    # 弹出输入对话框请获取相应的值
    port_str = tkinter.StringVar()
    port_entry = tkinter.Entry(child, font=('黑体', 12), textvariable=port_str)
    port_entry.place(x=100, y=60)

    user_name_label = tkinter.Label(child, text='UserName:', font=('黑体', 12))
    user_name_label.place(x=25, y=100)
    # 弹出输入对话框请获取相应的值
    user_name_str = tkinter.StringVar()
    user_name_entry = tkinter.Entry(child, font=('黑体', 12), textvariable=user_name_str)
    user_name_entry.place(x=100, y=100)

    psd_label = tkinter.Label(child, text='PassWord:', font=('黑体', 12))
    psd_label.place(x=25, y=140)
    # 弹出输入对话框请获取相应的值
    psd_str = tkinter.StringVar()
    psd_entry = tkinter.Entry(child, font=('黑体', 12), textvariable=psd_str)
    psd_entry.place(x=100, y=140)

    # 绑定回车键
    def Get_key():
        global key, edt_ip, edt_port, edt_user_name, edt_pass_word
        key = ip_entry.get()
        edt_ip = ip_entry.get()
        edt_port = port_entry.get()
        edt_user_name = user_name_entry.get()
        edt_pass_word = psd_entry.get()
        if edt_ip != "" and ip_identify(edt_ip) and edt_port != "" and edt_user_name != "" and edt_pass_word != "":
            logger.debug(
                " user input server msg , ip : " + edt_ip + ",port:" + edt_port + ".user name :"
                + edt_user_name + ", psd : " + edt_pass_word)
            connect_ftp_server(self, edt_ip, edt_port, edt_user_name, edt_pass_word)
        else:
            logger.error(" you input msg is error , please re input!")
            showerror(title='错误！', message='您输入信息有误，请重新输入！')
        child.destroy()

    # 按下回车键返回秘钥
    child.bind('<Return>', Get_key)
    # 点击OK按钮返回秘钥
    btn_OK = tkinter.Button(child, text='确认', font=('黑体', 12), height=2, command=Get_key)
    btn_OK.place(x=150, y=200)
    # edt_ip, edt_port, edt_user_name, edt_pass_word = Get_key()

    # if edt_ip != "" and edt_port != "" and edt_user_name \
    #         != "" and edt_pass_word != "":
    # return edt_ip, edt_port, edt_user_name, edt_pass_word
    # return child

其他部分

linux系统目录无法找到解决办法

  • 在代码首部添加如下代码： 
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    # encoding:utf-8
    # coding=utf-8
    # 导入OS模块
    import os
    import sys

    # 把当前文件所在文件夹的父文件夹路径加入到PYTHONPATH
    sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))

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