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  • 用python做的windows和linx文件夹同步。解决自动同步、加快传输大量小文件的速度、更丰富的文件上传过滤设置。

    现在工具不好用,用的pycharm自动同步,但对于git拉下来的新文件不能自动上传到linux,只有自己编辑过或者手动ctrl + s的文件才会自动同步。导致为了不遗漏文件,经常需要全量上传,速度非常慢。

    由于经常需要在windows的pycharm上直接使用linux解释器,要快速测试,频繁在本机和linux用git push pull不方便,测试环境是 用的git,但开发时候还是直接映射文件夹同步比使用git更方便。

    采用了连接池的方式,比单线程单linux链接,一个一个的上传体积很小的碎片时候,文件上传速度提高了数十倍。

    单linux连接上传。

    """
    自动同步文件夹到linux机器
    """
    import json
    import os
    import queue
    import re
    import time
    from collections import OrderedDict
    from pathlib import Path
    import paramiko
    from app.utils_ydf import decorators, time_util, LoggerMixinDefaultWithFileHandler
    
    
    class LinuxSynchronizer(LoggerMixinDefaultWithFileHandler):
        def __init__(self, host, port, username, password, local_dir, remote_dir, file_suffix_tuple_exluded=('.pyc', '.log', '.gz'), file_volume_limit=1000 * 1000,
                     path_pattern_exluded_tuple=('/.git/', '/.idea/'), only_upload_within_the_last_modify_time=7 * 24 * 60 * 60, cycle_interval=10, ):
            """
    
            :param host:
            :param port:
            :param username:
            :param password:
            :param local_dir:
            :param remote_dir:
            :param file_suffix_tuple_exluded: 排除以这些结尾的文件
            :param file_volume_limit: 最大文件容量能够限制,如果超过此大小,则该文件不上传
            :param path_pattern_exluded_tuple: 更强大的文件排除功能,比光排除以什么后缀结尾更强大灵活
            :param only_upload_within_the_last_modify_time: 只上传离当前时间最晚修改时间以后的文件
            :param cycle_interval: 每隔多少秒扫描一次需要上传的文件。
            """
            self._host = host
            self._port = port
            self._username = username
            self._password = password
            self._local_dir = str(local_dir).replace('\', '/')
            self._remote_dir = remote_dir
            self._file_suffix_tuple_exluded = file_suffix_tuple_exluded
            self._path_pattern_exluded_tuple = path_pattern_exluded_tuple
            self._only_upload_within_the_last_modify_time = only_upload_within_the_last_modify_time
            self._cycle_interval = cycle_interval
            self._file_volume_limit = file_volume_limit
            self.filename__filesize_map = dict()
            self.filename__st_mtime_map = dict()
            self.build_connect()
    
        # noinspection PyAttributeOutsideInit
        def build_connect(self):
            self.logger.warning('建立linux连接')
            # noinspection PyTypeChecker
            t = paramiko.Transport((self._host, self._port))
            t.connect(username=self._username, password=self._password)
            self.sftp = paramiko.SFTPClient.from_transport(t)
    
            ssh = paramiko.SSHClient()
            ssh.load_system_host_keys()
            ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
            ssh.connect(self._host, port=self._port, username=self._username, password=self._password, compress=True)
            self.ssh = ssh
    
        # @decorators.tomorrow_threads(1)
        def ftp_upload(self, file: str):
            # file = file.replace('\', '/')
            pattern_str = self._local_dir
            file_remote = file.replace(pattern_str, self._remote_dir)
            # self.logger.debug((file, file_remote))
            for _ in range(10):
                try:
                    time_start = time.time()
                    self.sftp.put(file, file_remote)
                    self.logger.debug(f'{file_remote} 上传成功,大小是 {round(os.path.getsize(file) / 1024)} kb,上传时间是 {round(time.time() - time_start, 2)}')
                    break
                except FileNotFoundError:
                    cmd = 'mkdir -p ' + str(Path(file_remote).parent).replace('\', '/')
                    self.logger.info(cmd)
                    tdin, stdout, stderr = self.ssh.exec_command(cmd)
                    stderr_bytes = stderr.read()
                    # self.logger.debug(stderr_bytes)
                    if stderr_bytes != b'':
                        self.logger.debug(stderr_bytes)
                except OSError as e:
                    self.logger.exception(e)
                    pass
                    self.build_connect()     # OSError: Socket is closed
    
        def _judge_need_filter_a_file(self, filename: str):
            ext = filename.split('.')[-1]
            if '.' + ext in self._file_suffix_tuple_exluded:
                return True
            for path_pattern_exluded in self._path_pattern_exluded_tuple:
                if re.search(path_pattern_exluded, filename):
                    return True
            return False
    
        def find_all_files_meet_the_conditions(self):
            total_volume = 0
            self.filename__filesize_map.clear()
            for parent, dirnames, filenames in os.walk(self._local_dir):
                for filename in filenames:
                    file_full_name = os.path.join(parent, filename).replace('\', '/')
                    if not self._judge_need_filter_a_file(file_full_name):
                        # self.logger.debug(os.stat(file_full_name).st_mtime)
                        file_st_mtime = os.stat(file_full_name).st_mtime
                        volume = os.path.getsize(file_full_name)
                        if time.time() - file_st_mtime < self._only_upload_within_the_last_modify_time and volume < self._file_volume_limit and (file_full_name not in self.filename__st_mtime_map or time.time() - file_st_mtime < 10 * 60):
                            self.filename__filesize_map[file_full_name] = {'volume': volume, 'last_modify_time': time_util.DatetimeConverter(file_st_mtime).datetime_str}
                            self.filename__st_mtime_map[file_full_name] = file_st_mtime
                            total_volume += volume
            filename__filesize_map_ordered_by_lsat_modify_time = OrderedDict()
            for k, v in sorted(self.filename__filesize_map.items(), key=lambda item: item[1]['last_modify_time']):
                filename__filesize_map_ordered_by_lsat_modify_time[k] = v
            self.filename__filesize_map = filename__filesize_map_ordered_by_lsat_modify_time
            self.logger.warning(f'需要上传的所有文件数量是 {len(self.filename__filesize_map)} ,总大小是 {round(total_volume / 1024, 2)} kb ,文件分别是 {json.dumps(self.filename__filesize_map, indent=4)}')
    
        @decorators.tomorrow_threads(10)
        def start_upload_files(self):
            decorators.keep_circulating(self._cycle_interval)(self._start_upload_files)()
    
        def _start_upload_files(self):
            with decorators.TimerContextManager():
                self.find_all_files_meet_the_conditions()
                for file in self.filename__filesize_map:
                    self.ftp_upload(file)
                self.logger.warn('完成')

    采用了连接池 加多线程上传

    """
    自动同步文件夹到linux机器
    这个更犀利,采用了连接池 加线程池,上传大量碎片文件的速度大幅提升。
    """
    import hashlib
    import json
    import os
    from threading import Thread
    import queue
    import re
    import shutil
    import filecmp
    import time
    from collections import OrderedDict
    from pathlib import Path
    from typing import Union
    import paramiko
    from paramiko import SSHException
    from app.utils_ydf import decorators, time_util, LoggerMixinDefaultWithFileHandler, nb_print, BoundedThreadPoolExecutor
    
    
    class LocalCopier(LoggerMixinDefaultWithFileHandler):
        """
        本地的两个文件夹之间的同步
        """
    
        def __init__(self, local_dir, remote_dir, *args, **kwargs):
            self._local_dir = str(local_dir).replace('\', '/')
            self._remote_dir = str(remote_dir).replace('\', '/')
            self.logger_extra_suffix = '本地windows间复制'
    
        def upload(self, file: str):
            file_remote = file.replace(self._local_dir, self._remote_dir)
            if not Path(file_remote).parent.exists():
                os.makedirs(str(Path(file_remote).parent))
            # if self.get_file_md5(Path(file).open('rb')) != self.get_file_md5(Path(file_remote).open('rb')) :
            if not Path(file_remote).exists() or not filecmp.cmp(file, file_remote):
                shutil.copyfile(file, file_remote)
                self.logger.info(f'从 {file} 复制成功到{file_remote} ,大小是 {round(os.path.getsize(file) / 1024)} kb')
            else:
                self.logger.debug(f'{file} 不复制到 {file_remote} 没有变化。')
    
        @staticmethod
        def get_file_md5(file):
            m = hashlib.md5()
            while True:
                # 如果不用二进制打开文件,则需要先编码
                # data = f.read(1024).encode('utf-8')
                data = file.read(1024)  # 将文件分块读取
                if not data:
                    break
                m.update(data)
            return m.hexdigest()
    
    
    @decorators.flyweight
    class LinuxConnectionPool(LoggerMixinDefaultWithFileHandler):
        def __init__(self, host, port, username, password):  # 对相同的链接参数做了享元模式保存连接池。
            self.logger_extra_suffix = host
            self.logger.warning(f'初始化linux连接池{host}')
            self._host = host
            self._port = port
            self._username = username
            self._password = password
            self.queue_sftp_free = queue.Queue(100)
            self.queue_ssh_free = queue.Queue(100)
            self.build_connect()
    
        @decorators.keep_circulating(5, exit_if_function_run_sucsess=True, is_display_detail_exception=0)
        def build_sftp(self):
            self.logger.warning(f'建立linux sftp连接中。。。')
            t_start = time.time()
            # noinspection PyTypeChecker
            t = paramiko.Transport((self._host, self._port))
            t.connect(username=self._username, password=self._password)
            sftp = paramiko.SFTPClient.from_transport(t)
            self.queue_sftp_free.put(sftp)
            self.logger.warning(f'建立linux sftp连接耗时 {round(time.time() - t_start, 2)}')
    
        @decorators.keep_circulating(5, exit_if_function_run_sucsess=True, is_display_detail_exception=1)
        def bulid_ssh(self):
            self.logger.warning(f'建立linux ssh连接中。。。。')
            t_start = time.time()
            ssh = paramiko.SSHClient()
            ssh.load_system_host_keys()
            ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
            ssh.connect(self._host, port=self._port, username=self._username, password=self._password, compress=True)
            self.queue_ssh_free.put(ssh)
            self.logger.warning(f'建立linux ssh连接耗时 {round(time.time() - t_start, 2)}')
    
        def build_connect(self):
            # decorators.tomorrow_threads(10)(self._build_sftp)()
            # decorators.tomorrow_threads(10)(self.__class__._bulid_ssh)(self)
            def _inner():
                executor = BoundedThreadPoolExecutor(100)
                for _ in range(10):
                    time.sleep(0.2)
                    executor.submit(self.build_sftp)
                for _ in range(3):
                    time.sleep(0.5)
                    executor.submit(self.bulid_ssh)
    
            Thread(target=_inner).start()
    
        def borrow_sftp(self):
            return self.queue_sftp_free.get()
    
        def borrow_ssh(self):
            return self.queue_ssh_free.get()
    
        def back_sftp(self, sftp):
            self.queue_sftp_free.put(sftp)
    
        def back_ssh(self, ssh):
            self.queue_ssh_free.put(ssh)
    
    
    class LinuxRemoteUploader(LocalCopier):
        """
        windows同步到linux。
        """
    
        def __init__(self, local_dir, remote_dir, host, port, username, password):
            super().__init__(local_dir, remote_dir)
            self.logger_extra_suffix = host
            self.linux_conn_pool = LinuxConnectionPool(host, port, username, password)
    
        def _do_mkdir_operation(self, file_remote):
            cmd = 'mkdir -p ' + str(Path(file_remote).parent).replace('\', '/')
            self.logger.info(cmd)
            ssh = self.linux_conn_pool.borrow_ssh()
            try:
                tdin, stdout, stderr = ssh.exec_command(cmd)
            except SSHException:
                self.linux_conn_pool.bulid_ssh()
            except Exception as e:
                self.logger.exception(e)
            else:
                stderr_bytes = stderr.read()
                # self.logger.debug(stderr_bytes)
                if stderr_bytes != b'':
                    self.logger.debug(stderr_bytes)
                self.linux_conn_pool.back_ssh(ssh)
    
        @decorators.tomorrow_threads(19)
        def upload(self, file: str):
            self.logger.debug(f'sftp空闲链接数量  {self.linux_conn_pool.queue_sftp_free.qsize()},  ssh空闲链接数量 {self.linux_conn_pool.queue_ssh_free.qsize()}')
            # file = file.replace('\', '/')
            pattern_str = self._local_dir
            file_remote = file.replace(pattern_str, self._remote_dir)
            # self.logger.debug((file, file_remote))
    
            for _ in range(10):
                sftp = self.linux_conn_pool.borrow_sftp()
                try:
                    time_start = time.time()
                    sftp.put(file, file_remote)
                    self.logger.info(f'{file_remote} 上传成功,大小是 {round(os.path.getsize(file) / 1024)} kb,上传时间是 {round(time.time() - time_start, 2)}')
                    self.linux_conn_pool.back_sftp(sftp)
                    # self.linux_conn_pool.logger.debug((self.linux_conn_pool.queue_sftp_free.qsize(),self.linux_conn_pool.queue_ssh_free.qsize()))
                    break
                except FileNotFoundError:
                    self._do_mkdir_operation(file_remote)
                    self.linux_conn_pool.back_sftp(sftp)
                except (OSError, SSHException) as e:
                    self.logger.exception(e)
                    self.linux_conn_pool.build_sftp()  # OSError: Socket is closed
    
    
    class Synchronizer(LoggerMixinDefaultWithFileHandler):
        def __init__(self, host, port, username, password, local_dir, remote_dir, file_suffix_tuple_exluded=('.pyc', '.log', '.gz'), file_volume_limit=1000 * 1000,
                     path_pattern_exluded_tuple=('/.git/', '/.idea/', 'cnbooking_all.json'), only_upload_within_the_last_modify_time='7 * 24 * 60 * 60', cycle_interval=2, just_windows_copy=False):
            """
    
            :param host:
            :param port:
            :param username:
            :param password:
            :param local_dir:
            :param remote_dir:
            :param file_suffix_tuple_exluded: 排除以这些结尾的文件。
            :param file_volume_limit: 最大文件容量能够限制,如果超过此大小,则该文件不上传
            :param path_pattern_exluded_tuple: 更强大的文件排除功能,比光排除以什么后缀结尾更强大灵活,使用的是python正则表达式。
            :param only_upload_within_the_last_modify_time: 只上传离当前时间最晚修改时间以后的文件。
            :param cycle_interval: 每隔多少秒扫描一次需要上传的文件。
            :param just_windows_copy: 执行windows不同文件夹之间的复制,不上传linux。
            """
            self.logger_extra_suffix = host if not just_windows_copy else '本地'
            self._local_dir = str(local_dir).replace('\', '/')
            self._file_suffix_tuple_exluded = file_suffix_tuple_exluded
            self._path_pattern_exluded_tuple = path_pattern_exluded_tuple
            self._only_upload_within_the_last_modify_time = self._compute_result(only_upload_within_the_last_modify_time)
            self._cycle_interval = cycle_interval
            self._file_volume_limit = self._compute_result(file_volume_limit)
            self.filename__filesize_map = dict()
            self.filename__st_mtime_map = dict()
            self._just_windows_copy = just_windows_copy
            self.uploader = LinuxRemoteUploader(local_dir, remote_dir, host, port, username, password) if not just_windows_copy else LocalCopier(local_dir, remote_dir, host, port, username, password)
    
        @staticmethod
        def _compute_result(sth: Union[str, int]):
            return sth if isinstance(sth, int) else eval(sth)
    
        def _judge_need_filter_a_file(self, filename: str):
            ext = filename.split('.')[-1]
            if '.' + ext in self._file_suffix_tuple_exluded:
                return True
            for path_pattern_exluded in self._path_pattern_exluded_tuple:
                if re.search(path_pattern_exluded, filename):
                    return True
            return False
    
        def find_all_files_meet_the_conditions(self):
            t_start = time.time()
            total_volume = 0
            self.filename__filesize_map.clear()
            for parent, dirnames, filenames in os.walk(self._local_dir):
                for filename in filenames:
                    file_full_name = os.path.join(parent, filename).replace('\', '/')
                    if not self._judge_need_filter_a_file(file_full_name):
                        # self.logger.debug(os.stat(file_full_name).st_mtime)
                        file_st_mtime = os.stat(file_full_name).st_mtime
                        volume = os.path.getsize(file_full_name)
                        if time.time() - file_st_mtime < self._only_upload_within_the_last_modify_time and volume < self._file_volume_limit and (file_full_name
                                                                                                                                                 not in self.filename__st_mtime_map or time.time() - file_st_mtime < 10 * 60):
                            if self.filename__st_mtime_map.get(file_full_name, None) != file_st_mtime:
                                self.filename__filesize_map[file_full_name] = {'volume': volume, 'last_modify_time': time_util.DatetimeConverter(file_st_mtime).datetime_str}
                                self.filename__st_mtime_map[file_full_name] = file_st_mtime
                                total_volume += volume
            filename__filesize_map_ordered_by_lsat_modify_time = OrderedDict()
            for k, v in sorted(self.filename__filesize_map.items(), key=lambda item: item[1]['last_modify_time']):
                filename__filesize_map_ordered_by_lsat_modify_time[k] = v
            self.filename__filesize_map = filename__filesize_map_ordered_by_lsat_modify_time
            if len(self.filename__filesize_map) > 0:
                self.logger.warning(f'需要{"复制"  if self._just_windows_copy else "上传"} 的所有文件数量是 {len(self.filename__filesize_map)} ,总大小是 {round(total_volume / 1024, 2)} kb ,'
                                    f'查找文件耗时 {round(time.time() - t_start, 2)} 秒,文件分别是 {json.dumps(self.filename__filesize_map, indent=4)}')
    
        # @decorators.tomorrow_threads(10)
        def start_upload_files(self):
            Thread(target=decorators.keep_circulating(self._cycle_interval)(self._start_upload_files)).start()
    
        def _start_upload_files(self):
            self.find_all_files_meet_the_conditions()
            for file in self.filename__filesize_map:
                self.uploader.upload(file)
    
    
    # noinspection PyPep8
    if __name__ == '__main__':
        """
        配置里面的内容格式如下,支持同步多个文件夹映射。
        [
          {
            "host": "112.90.xx.xx",
            "port": 10005,
            "username": "root",
            "password": "@0^Lc97MewI3i7xxxxxx",
            "local_dir": "D:\Users\ydf\Desktop\oschina\coding\hotel_fares",
            "remote_dir": "/home/ydf/hotelf15",
            "file_suffix_tuple_exluded": [
              ".pyc",
              ".log",
              ".gz"
            ],
            "path_pattern_exluded_tuple": [
              "/.git/",
              "/.idea/",
              "cnbooking_cn_all.json"
            ],
            "only_upload_within_the_last_modify_time": "365 * 24 * 3600",
            "file_volume_limit": "2 * 1000 * 1000",
            "cycle_interval": 10
          }
        ]
        """
    
        for config_item in json.load(Path('/windows_to_linux_syn_config.json').open()):
            nb_print(json.dumps(config_item))
            Synchronizer(**config_item).start_upload_files()
    
        # sc create PythonApp6 binPath= "D:UsersydfDesktoposchinacodinghotel_faresdistwindows_to_linux_syn2windows_to_linux_syn2.exe"
        # pyinstaller --distpath=D:UsersydfDesktoposchinapyinstallerdir --workpath=D:UsersydfDesktoposchinapyinstallerdir --specpath=D:UsersydfDesktoposchinaspecify_pyinstaller --icon="D:UsersydfDesktoposchinacodinghotel_faresapputils_ydfwindows_to_linux_syn.ico" D:UsersydfDesktoposchinacodinghotel_faresapputils_ydfwindows_to_linux_syn3.py
        # 可以使用pyinstaller打包这个文件。先添加PYTHONPATH变量,在另外的文件夹执行这个命令。
        # pyinstaller --icon="D:UsersydfDesktoposchinacodinghotel_faresapputils_ydfwindows_to_linux_syn.ico" D:UsersydfDesktoposchinacodinghotel_faresapputils_ydfwindows_to_linux_syn3.py
    
        # cd ..
        # set PYTHONPATH=D:coding2hotel_fares
        # pyinstaller -F --icon="D:coding2hotel_faresapputils_ydfwindows_to_linux_syn.ico" D:coding2hotel_faresapputils_ydfwindows_to_linux_syn3.py
        # 测试更新。。。。。。.

     配置里面的内容如下。

    [
      {
        "host": "112.xx.89.16",
        "port": 10033,
        "username": "root",
        "password": "xxxx",
        "local_dir": "D:\Users\ydf\Desktop\oschina\coding\hotel_fares",
        "remote_dir": "/home/ydf/hotelf18",
        "file_suffix_tuple_exluded": [
          ".pyc",
          ".log",
          ".gz"
        ],
        "path_pattern_exluded_tuple": [
          "/.git/",
          "/.idea/",
          "cnbooking_cn_all.json"
        ],
        "only_upload_within_the_last_modify_time": "30 * 24 * 3600",
        "file_volume_limit": "2 * 1000 * 1000",
        "cycle_interval": 1
      },
      {
        "host": "112.90.xx.16",
        "port": 10033,
        "username": "root",
        "password": "xxxx",
        "local_dir": "D:\Users\ydf\Desktop\oschina\coding\movie_data",
        "remote_dir": "/home/ydf/movie_data2",
        "file_suffix_tuple_exluded": [
          ".pyc",
          ".log",
          ".gz"
        ],
        "path_pattern_exluded_tuple": [
          "/.git/",
          "/.idea/",
          "cnbooking_cn_all.json"
        ],
        "only_upload_within_the_last_modify_time": "30 * 24 * 3600",
        "file_volume_limit": "2 * 1000 * 1000",
        "cycle_interval": 1
      }
    ]

     

     

    第一次运行是对指定最晚修改间之内的文件进行全量上传,之后是每隔2秒(由json文件动态配置)检查一次,将最近 10分钟之内变化的文件,上传到linux。

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  • 原文地址:https://www.cnblogs.com/ydf0509/p/10924130.html
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