# -*- coding:utf-8 -*-
import time
import sys
import os
import socket
from ftplib import FTP_TLS
import re # 正则表达式;
import shutil

class MyFTP:
    def __init__(self, host, port=21):
        self.host = host
        self.port = port
        self.ftp = FTP_TLS()
        self.ftp.encoding = 'utf-8'
        self.log_file = open("log.txt", "a")
        self.file_list = []
        self.dir_list = []
        self.cur_dir = ''

    def login(self, username, password):
        try:
            timeout = 60
            socket.setdefaulttimeout(timeout)
            # 0主动模式 1 #被动模式
            self.ftp.set_pasv(False)
            # 打开调试级别2，显示详细信息
            # self.ftp.set_debuglevel(2)

            self.debug_print('开始尝试连接到 %s' % self.host)
            self.ftp.connect(self.host, self.port)
            self.debug_print('成功连接到 %s' % self.host)

            self.debug_print('开始尝试登录到 %s' % self.host)
            self.ftp.login(username, password)
            self.ftp.prot_p()
            self.debug_print('成功登录到 %s' % self.host)

            self.debug_print(self.ftp.welcome)
        except Exception as err:
            self.deal_error("FTP 连接或登录失败 ，错误描述为：%s" % err)
            pass

    def is_same_size(self, local_file, remote_file):
        try:
            remote_file_size = self.ftp.size(remote_file)
        except Exception as err:
            # self.debug_print("is_same_size() 错误描述为：%s" % err)
            remote_file_size = -1

        try:
            local_file_size = os.path.getsize(local_file)
        except Exception as err:
            # self.debug_print("is_same_size() 错误描述为：%s" % err)
            local_file_size = -1

        self.debug_print('local_file_size:%d  , remote_file_size:%d' % (local_file_size, remote_file_size))
        if remote_file_size == local_file_size:
            return 1
        else:
            return 0

    def download_file(self, local_file, remote_file):
        """从ftp下载文件
            参数:
                local_file: 本地文件

                remote_file: 远程文件
        """
        self.debug_print("download_file()---> local_path = %s ,remote_path = %s" % (local_file, remote_file))

        if self.is_same_size(local_file, remote_file):
            self.debug_print('%s 文件大小相同，无需下载' % local_file)
            return
        else:
            try:
                self.debug_print('>>>>>>>>>>>>下载文件 %s ... ...' % local_file)
                buf_size = 1024
                file_handler = open(local_file, 'wb')
                self.ftp.retrbinary('RETR %s' % remote_file, file_handler.write, buf_size)
                file_handler.close()
            except Exception as err:
                self.debug_print('下载文件出错，出现异常：%s ' % err)
                return

    def download_file_tree(self, local_path, remote_path):
        """从远程目录下载多个文件到本地目录
                       参数:
                         local_path: 本地路径

                         remote_path: 远程路径
                """
        print("download_file_tree()--->  local_path = %s ,remote_path = %s" % (local_path, remote_path))
        try:
            self.ftp.cwd(remote_path)
        except Exception as err:
            self.debug_print('远程目录%s不存在，继续...' % remote_path + " ,具体错误描述为：%s" % err)
            return

        if not os.path.isdir(local_path):
            self.debug_print('本地目录%s不存在，先创建本地目录' % local_path)
            os.makedirs(local_path)

        self.debug_print('切换至目录: %s' % self.ftp.pwd())

        self.file_list = []
        # 方法回调
        self.ftp.dir(self.get_file_list)

        remote_names = self.file_list
        self.debug_print('远程目录 列表: %s' % remote_names)
        for item in remote_names:
            file_type = item[0]
            file_name = item[1]
            local = os.path.join(local_path, file_name)
            if file_type == 'd':
                print("download_file_tree()---> 下载目录： %s" % file_name)
                self.download_file_tree(local, file_name)
            elif file_type == '-':
                print("download_file()---> 下载文件： %s" % file_name)
                self.download_file(local, file_name)
            self.ftp.cwd("..")
            self.debug_print('返回上层目录 %s' % self.ftp.pwd())
        return True

    def upload_file(self, local_file, remote_file):
        """从本地上传文件到ftp

           参数:
             local_path: 本地文件

             remote_path: 远程文件
        """
        if not os.path.isfile(local_file):
            self.debug_print('%s 不存在' % local_file)
            return

        if self.is_same_size(local_file, remote_file):
            self.debug_print('跳过相等的文件: %s' % local_file)
            return

        buf_size = 1024
        file_handler = open(local_file, 'rb')
        self.ftp.storbinary('STOR %s' % remote_file, file_handler, buf_size)
        file_handler.close()
        self.debug_print('上传: %s' % local_file + "成功!")

    def upload_file_tree(self, local_path, remote_path):
        """从本地上传目录下多个文件到ftp
           参数:

             local_path: 本地路径

             remote_path: 远程路径
        """
        if not os.path.isdir(local_path):
            self.debug_print('本地目录 %s 不存在' % local_path)
            return
        """
        创建服务器目录
        """
        try:
            self.ftp.cwd(remote_path)  # 切换工作路径
        except Exception as e:
            base_dir, part_path = self.ftp.pwd(), remote_path.split('/')
            print e,base_dir,part_path
            for p in part_path[1:]:
                print "子目录",p
                base_dir = base_dir + p + '/'  # 拼接子目录
                try:
                    self.ftp.cwd(base_dir)  # 切换到子目录, 不存在则异常
                except Exception as e:
                    print('INFO:', e)
                    self.ftp.mkd(base_dir)  # 不存在创建当前子目录
        self.ftp.cwd(remote_path)
        self.debug_print('切换至远程目录: %s' % self.ftp.pwd()) 

        local_name_list = os.listdir(local_path)
        self.debug_print('本地目录list: %s' % local_name_list)
        #self.debug_print('判断是否有服务器目录: %s' % os.path.isdir())

        for local_name in local_name_list:
            src = os.path.join(local_path, local_name)
            print("src路径=========="+src)
            if os.path.isdir(src):
                try:
                    self.ftp.mkd(local_name)
                except Exception as err:
                    self.debug_print("目录已存在 %s ,具体错误描述为：%s" % (local_name, err))
                self.debug_print("upload_file_tree()---> 上传目录： %s" % local_name)
                self.debug_print("upload_file_tree()---> 上传src目录： %s" % src)
                self.upload_file_tree(src, local_name)
            else:
                self.debug_print("upload_file_tree()---> 上传文件： %s" % local_name)
                self.upload_file(src, local_name)
        self.ftp.cwd("..")

    def close(self):
        """ 退出ftp
        """
        self.debug_print("close()---> FTP退出")
        self.ftp.quit()
        self.log_file.close()

    def debug_print(self, s):
        """ 打印日志
        """
        self.write_log(s)

    def deal_error(self, e):
        """ 处理错误异常
            参数：
                e：异常
        """
        log_str = '发生错误: %s' % e
        self.write_log(log_str)
        sys.exit()

    def write_log(self, log_str):
        """ 记录日志
            参数：
                log_str：日志
        """
        time_now = time.localtime()
        date_now = time.strftime('%Y-%m-%d', time_now)
        format_log_str = "%s ---> %s \n " % (date_now, log_str)
        print(format_log_str)
        self.log_file.write(format_log_str)

    def get_file_list(self, line):
        """ 获取文件列表
            参数：
                line：
        """
        file_arr = self.get_file_name(line)
        # 去除  . 和  ..
        if file_arr[1] not in ['.', '..']:
            self.file_list.append(file_arr)

    def get_file_name(self, line):
        """ 获取文件名
            参数：
                line：
        """
        pos = line.rfind(':')
        while (line[pos] != ' '):
            pos += 1
        while (line[pos] == ' '):
            pos += 1
        file_arr = [line[0], line[pos:]]
        return file_arr

    def get_dirs(self):
        self.get_dir()
        self.dir_list = []
        self.ftp.dir(self.callback_get_dirs)
        return self.dir_list

    def callback_get_dirs(self, line):
        # 正则表达式;
        # 字串：drwxrwxrwx   1 user     group           0 Dec 28 18:35 V8-T851T01-LF1V024-CTS
        # 以时间冒号为分隔符;
        p = re.compile(r"(.*):(\d+) (.*)", re.DOTALL)
        mo = p.search(line)
        if mo is not None:
            ftpdir = mo.group(3)
            if ftpdir != '.' and ftpdir != '..':
                self.dir_list.append(self.cur_dir + '/' + ftpdir)
        else:
            print "正规匹配失败",line

    def get_files(self, path):
        filelist = self.ftp.nlst(path)
        for file in filelist:
            self.file_list.append(path+'/'+file)
        return self.file_list

    def set_dir(self, path):
        self.ftp.cwd(path)

    def get_dir(self):
        self.cur_dir = self.ftp.pwd()
        return self.cur_dir

FTPHOST='10.118.1.85'
FTPUSER='你的账号'
FTPPWD='你的密码'
FTPDIR='/ProjectSoftware/TEST/TV/Regional_Customers/RT2851_MOKA/cts-auth/22Q1/approved'
LOCALDIR41=r'F:\22Q1-CTS\41'
LOCALDIR51=r'F:\22Q1-CTS\51'

# 下载指定ftp路径内的所有的prop文件
def download_prop(ftp_dir, local_dir):
    ftp = MyFTP(FTPHOST)
    print ftp.login(FTPUSER, FTPPWD)
    print ftp.set_dir(FTPDIR)
    print ftp.get_dirs()
    if os.path.exists(local_dir):
        shutil.rmtree(local_dir)
    if not os.path.exists(local_dir):
        os.makedirs(local_dir)

    ftp.file_list = []
    for path in ftp.dir_list:
        ftp.get_files(path)

    for i in range(ftp.file_list.__len__()-1, -1, -1):
        path = ftp.file_list[i]
        (filepath,filename) = os.path.split(path)
        if filename != 'build.prop':
            ftp.file_list.remove(path)

    file_list = []
    for i in range(0,ftp.file_list.__len__()):
        path = ftp.file_list[i]
        (filepath, filename) = os.path.split(path)
        file_list.append(local_dir+'\\'+str(i)+filename)
        ftp.download_file(local_dir+'\\'+str(i)+filename, path)

    return file_list

# 解析指定的prop文件;
def parse_prop(path, find_objs):
    brand=''
    prop_list = []
    if os.path.exists(path) is False:
        return
    
    with open(path, 'r') as f:
        content = f.read()
        for obj in find_objs:
            res=r"\n%s=(.*)\n"%obj
            print "表达式：",res
            p = re.compile(res)
            mo = p.search(content)
            if mo is not None:
                prop = mo.group()
                if prop.find("test-keys"):
                    prop = prop.replace("test-keys", "release-keys")
                prop=prop.strip('\n')
                prop_list.append(prop)
                if obj == 'ro.product.brand':
                    brand=prop.replace(obj+'=','')

    print "prop_list=",prop_list
    (filepath,filename) = os.path.split(path)
    if prop_list.__len__() > 0:
        prop_file = "%s\\%s.prop" % (filepath, brand.lower())
        if os.path.exists(prop_file):
            os.remove(prop_file)
        print "prop文件：",prop_file
        with open(prop_file, 'ab+') as f:
            for prop in prop_list:
                f.writelines(prop+'\n')
    # 移除原文件;
    os.remove(path)
            

    return content.split('\n')  # 将待匹配字符串保存在数组中

if __name__ == "__main__":
    file_list = download_prop(FTPDIR, LOCALDIR51)
    for file in file_list:
        parse_prop(file, ['ro.product.model',
                          'ro.product.brand',
                          'ro.product.name',
                          'ro.build.flavor',
                          'ro.build.date',
                          'ro.build.fingerprint',
                          'ro.build.date.utc',
                          'ro.build.description',
                          'ro.build.version.incremental']
                   )

    print "FTP-OK"