Python 从客户端接收字节后生成文件
我想做一个简单的文件传输程序,将文件从客户端传输到服务器。服务器向客户端发送路径,客户端向服务器发送文件。但是我不知道如何在服务器部分创建文件。事实上,我以二进制模式发送所有文件,但之后我以服务器模式接收每个字节,我不知道如何根据接收到的字节生成文件 客户部分Python 从客户端接收字节后生成文件,python,sockets,Python,Sockets,我想做一个简单的文件传输程序,将文件从客户端传输到服务器。服务器向客户端发送路径,客户端向服务器发送文件。但是我不知道如何在服务器部分创建文件。事实上,我以二进制模式发送所有文件,但之后我以服务器模式接收每个字节,我不知道如何根据接收到的字节生成文件 客户部分 sock = 0 path = " " def open_socket(): global sock sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock = 0
path = " "
def open_socket():
global sock
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect(("localhost", 9000))
def transfer_file(path):
f = open(path, "rb").read()
sock.send(f)
def main():
open_socket()
path = sock.recv(1024)
if __name__ == "__main__":
main()
服务器部件
def open_connection():
global client
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.bind(("0.0.0.0", 9000))
sock.listen(1)
client, address = sock.accept()
def file_transfer():
path = raw_input("Enter path of file: ")
client.send(path)
while True:
file_from_client = client.recv(1024)
def main():
open_connection()
file_transfer()
if __name__ == "__main__":
main()
谢谢你 您需要在套接字上做更多的工作,包括使用
sendall
而不是send
(可能发送的数据少于完整的缓冲区),以及找到一种方法让读取端知道数据何时发送完。由于您没有允许您请求多个文件的消息边界,因此我的示例关闭套接字,让另一方知道传输已完成。我还去掉了全局变量。这将传输一个文件:
client.py
import socket
def open_socket():
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect(("localhost", 9000))
return sock
def transfer_file(sock, path):
f = open(path, "rb").read()
sock.sendall(f)
def main():
sock = open_socket()
path = sock.recv(1024)
transfer_file(sock, path)
sock.shutdown(socket.SHUT_RDWR)
sock.close()
if __name__ == "__main__":
main()
import socket
import os
def open_connection():
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
sock.bind(("0.0.0.0", 9000))
sock.listen(1)
client, address = sock.accept()
sock.close()
return client
def file_transfer(client):
path = raw_input("Enter path of file on client: ")
local_path = os.path.join(os.getcwd(), os.path.basename(path))
print 'will write to local file', local_path
client.send(path)
with open(local_path + '.tmp', 'wb') as outfile:
while True:
block = client.recv(1024)
if not block:
break
outfile.write(block)
os.rename(local_path + '.tmp', local_path)
print 'wrote', os.stat(local_path).st_size, 'bytes'
def main():
client = open_connection()
file_transfer(client)
client.close()
if __name__ == "__main__":
main()
server.py
import socket
def open_socket():
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect(("localhost", 9000))
return sock
def transfer_file(sock, path):
f = open(path, "rb").read()
sock.sendall(f)
def main():
sock = open_socket()
path = sock.recv(1024)
transfer_file(sock, path)
sock.shutdown(socket.SHUT_RDWR)
sock.close()
if __name__ == "__main__":
main()
import socket
import os
def open_connection():
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
sock.bind(("0.0.0.0", 9000))
sock.listen(1)
client, address = sock.accept()
sock.close()
return client
def file_transfer(client):
path = raw_input("Enter path of file on client: ")
local_path = os.path.join(os.getcwd(), os.path.basename(path))
print 'will write to local file', local_path
client.send(path)
with open(local_path + '.tmp', 'wb') as outfile:
while True:
block = client.recv(1024)
if not block:
break
outfile.write(block)
os.rename(local_path + '.tmp', local_path)
print 'wrote', os.stat(local_path).st_size, 'bytes'
def main():
client = open_connection()
file_transfer(client)
client.close()
if __name__ == "__main__":
main()
是否有任何理由不使用http或sftp或任何其他现有协议将文件发送到服务器?这里有一个