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1 """ 2 # 第一个知识点 \r 3 """ 4 import time 5 print('\r80%',end='') 6 time.sleep(2) 7 print('\r90%',end='') 8 """ 9 # 第二个知识点 %% 10 """ 11 tpl = "进度条目前是%s%%" %(90,) 12 print(tpl) 13 """ 14 import time 15 16 def func(size,total_size): 17 val = int(size/total_size * 100) 18 time.sleep(0.1) 19 print('\r%s%%|%s' %(val,"#"*val,), end='') 20 21 for i in range(101): 22 func(i,100)
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1 ftp-server端 2 3 import os 4 import json 5 import socketserver 6 import shutil 7 8 CODE = { 9 '1001':'上传文件,从头开始上传' 10 } 11 12 def recv_file(code, mode, recv_size, upload_file_size): 13 14 response = {'code': code, 'size': recv_size} 15 conn.sendall(json.dumps(response).encode('utf-8')) 16 17 f = open(file_md5_path, mode) 18 while recv_size < upload_file_size: 19 data = conn.recv(1024) 20 f.write(data) 21 f.flush() 22 recv_size += len(data) 23 f.close() 24 25 # 3.1.3 改名字 26 shutil.move(file_md5_path, file_name_path) 27 28 29 def upload(cmd_dict,conn,username): 30 """ 31 服务端完成上传文件(含断点续传) 32 :param cmd_dict: 33 :param conn: 34 :return: 35 """ 36 # 2. 获取文件信息 37 file_md5 = cmd_dict['md5'] 38 file_name = cmd_dict['file_name'] 39 40 file_md5_path = os.path.join('home', username, file_md5) 41 file_name_path = os.path.join('home', username, file_name) 42 upload_file_size = cmd_dict['size'] 43 44 # 3. 判断文件是否存在 45 exist = os.path.exists(file_md5_path) 46 if not exist: # 不续传 47 # 3.1.1 可以开始上传了,我已经准备好。 48 recv_file('1001', 'wb', 0, upload_file_size) 49 50 else: # 续传 51 # 3.2 续传+大小 52 exist_size = os.stat(file_md5_path).st_size 53 recv_file('1002', 'ab', exist_size, upload_file_size) 54 55 class NbServer(socketserver.BaseRequestHandler): 56 def handle(self): 57 """ 58 self.request 是客户端的socket对象 59 :return: 60 """ 61 # 1. 接收命令 62 upload_cmd_bytes = self.request.recv(8096) 63 cmd_dict = json.loads(upload_cmd_bytes.decode('utf-8')) 64 65 if cmd_dict['cmd'] == 'upload': 66 upload(cmd_dict,self.request,'zhangzijian') 67 elif cmd_dict['cmd'] == 'download': 68 pass 69 70 if __name__ == '__main__': 71 server = socketserver.ThreadingTCPServer(('127.0.0.1',8001),NbServer) 72 server.serve_forever() 73 74 75 76 77 ftp-client端 78 79 import os 80 import socket 81 import json 82 import hashlib 83 CODE = { 84 '1001':'上传文件,从头开始上传' 85 } 86 87 88 def file_md5(file_path): 89 """ 90 文件进行md5加密 91 :param file_path: 92 :return: 93 """ 94 obj = open(file_path,'rb') 95 m = hashlib.md5() 96 for line in obj: 97 m.update(line) 98 obj.close() 99 return m.hexdigest() 100 101 def jdt(size,total_size): 102 """ 103 显示进度条 104 :return: 105 """ 106 val = int(size / total_size * 100) 107 print('\r%s%%|%s' % (val, "#" * val,), end='') 108 109 def send_file(exist_size,file_total_size): 110 """ 111 发送文件 112 :param exist_size:开始读取字节的位置 113 :param file_total_size: 文件总字节大小 114 :return: 115 """ 116 f = open(file_path, 'rb') 117 f.seek(exist_size) 118 send_size = exist_size 119 while send_size < file_total_size: 120 data = f.read(1024) 121 sk.sendall(data) 122 send_size += len(data) 123 jdt(send_size,file_total_size) 124 f.close() 125 print('上传成功') 126 127 def upload(file_path): 128 """ 129 文件上传(含断点) 130 :param file_path: 131 :return: 132 """ 133 file_md5_val = file_md5(file_path) 134 file_name = os.path.basename(file_path) 135 file_size = os.stat(file_path).st_size 136 137 cmd_dict = {'cmd': 'upload', 'file_name': file_name, 'size': file_size, 'md5': file_md5_val} 138 upload_cmd_bytes = json.dumps(cmd_dict).encode('utf-8') 139 sk.sendall(upload_cmd_bytes) 140 141 # 2. 等待服务端的响应 142 response = json.loads(sk.recv(8096).decode('utf-8')) 143 if response['code'] == 1001: 144 send_file(0, file_size) 145 else: 146 # 断点续传 147 exist_size = response['size'] 148 send_file(exist_size,file_size) 149 150 sk = socket.socket() 151 sk.connect(('127.0.0.1',8001)) 152 153 while True: 154 # upload|文件路径 155 user_input = input("请输入要执行的命令") 156 # 1. 自定义协议{'cmd':'upload','file_path':'.....'} 157 cmd,file_path = user_input.split('|',maxsplit=1) 158 if cmd == 'upload': 159 upload(file_path) 160 elif cmd == 'download': 161 pass