Realice la carga y descarga de archivos en LAN (bajo el mismo WIFI)
Este módulo se basa en BaseHTTPServer mediante la implementación de solicitudes GET y HEAD estándar
. (pegue todos los códigos en el mismo archivo py y funcionará)
paquete requerido
Implementado en base a la versión de python3, sin versión de python2 involucrada
import os
import sys
import argparse
import posixpath
try:
from html import escape
except ImportError:
from cgi import escape
import shutil
import mimetypes
import re
import signal
from io import StringIO, BytesIO
if sys.version_info.major == 3:
# Python3
from urllib.parse import quote
from urllib.parse import unquote
from http.server import HTTPServer
from http.server import BaseHTTPRequestHandler
Clase básica clase de servicio HTTP simple
Manejador de solicitudes HTTP simple con comandos GET/HEAD/POST.
Esto servirá los archivos en el directorio actual y sus subdirectorios.
El tipo MIME de un archivo se determina llamando al método .gues_type().
Y puede recibir archivos cargados proporcionados por los clientes.
Las solicitudes GET/HEAD/POST son las mismas, excepto que las solicitudes HEAD ignoran el contenido real del archivo.
class SimpleHTTPRequestHandler(BaseHTTPRequestHandler):
server_version = "simple_http_server/" + __version__
def do_GET(self):
"""Serve a GET request."""
fd = self.send_head()
if fd:
shutil.copyfileobj(fd, self.wfile)
fd.close()
def do_HEAD(self):
"""Serve a HEAD request."""
fd = self.send_head()
if fd:
fd.close()
def do_POST(self):
"""Serve a POST request."""
r, info = self.deal_post_data()
print(r, info, "by: ", self.client_address)
f = BytesIO()
f.write(b'<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">')
f.write(b"<html>\n<title>Upload Result Page</title>\n")
f.write(b"<body>\n<h2>Upload Result Page</h2>\n")
f.write(b"<hr>\n")
if r:
f.write(b"<strong>Success:</strong>")
else:
f.write(b"<strong>Failed:</strong>")
f.write(info.encode('utf-8'))
f.write(b"<br><a href=\".\">back</a>")
f.write(b"<hr><small>Powered By: freelamb, check new version at ")
# 原始代码地址 可以参考
f.write(b"<a href=\"https://github.com/freelamb/simple_http_server\">")
f.write(b"here</a>.</small></body>\n</html>\n")
length = f.tell()
f.seek(0)
self.send_response(200)
self.send_header("Content-type", "text/html;charset=utf-8")
self.send_header("Content-Length", str(length))
self.end_headers()
if f:
shutil.copyfileobj(f, self.wfile)
f.close()
def deal_post_data(self):
boundary = self.headers["Content-Type"].split("=")[1].encode('utf-8')
remain_bytes = int(self.headers['content-length'])
line = self.rfile.readline()
remain_bytes -= len(line)
if boundary not in line:
return False, "Content NOT begin with boundary"
line = self.rfile.readline()
remain_bytes -= len(line)
fn = re.findall(r'Content-Disposition.*name="file"; filename="(.*)"', line.decode('utf-8'))
if not fn:
return False, "Can't find out file name..."
path = translate_path(self.path)
fn = os.path.join(path, fn[0])
while os.path.exists(fn):
fn += "_"
line = self.rfile.readline()
remain_bytes -= len(line)
line = self.rfile.readline()
remain_bytes -= len(line)
try:
out = open(fn, 'wb')
except IOError:
return False, "Can't create file to write, do you have permission to write?"
pre_line = self.rfile.readline()
remain_bytes -= len(pre_line)
while remain_bytes > 0:
line = self.rfile.readline()
remain_bytes -= len(line)
if boundary in line:
pre_line = pre_line[0:-1]
if pre_line.endswith(b'\r'):
pre_line = pre_line[0:-1]
out.write(pre_line)
out.close()
return True, "File '%s' upload success!" % fn
else:
out.write(pre_line)
pre_line = line
return False, "Unexpect Ends of data."
def send_head(self):
"""
GET和HEAD命令的通用代码。
这将发送响应代码和MIME标头。
返回值要么是文件对象
（除非命令是HEAD，否则调用方必须将其复制到输出文件中，
并且在任何情况下都必须由调用方关闭），
要么是None，在这种情况下，调用方无需进一步操作。
"""
path = translate_path(self.path)
if os.path.isdir(path):
if not self.path.endswith('/'):
# redirect browser - doing basically what apache does
self.send_response(301)
self.send_header("Location", self.path + "/")
self.end_headers()
return None
for index in "index.html", "index.htm":
index = os.path.join(path, index)
if os.path.exists(index):
path = index
break
else:
return self.list_directory(path)
content_type = self.guess_type(path)
try:
#始终以二进制模式读取。以文本模式打开文件可能会导致
#换行翻译，使内容的实际大小
#传输*小于*内容长度！
f = open(path, 'rb')
except IOError:
self.send_error(404, "File not found")
return None
self.send_response(200)
self.send_header("Content-type", content_type)
fs = os.fstat(f.fileno())
self.send_header("Content-Length", str(fs[6]))
self.send_header("Last-Modified", self.date_time_string(fs.st_mtime))
self.end_headers()
return f
def list_directory(self, path):
"""
帮助程序生成目录列表（缺少index.html）。
返回值为file对象或None（表示错误）。
无论哪种情况，都会发送标头接口与send_head（）相同。
"""
try:
list_dir = os.listdir(path)
except os.error:
self.send_error(404, "No permission to list directory")
return None
list_dir.sort(key=lambda a: a.lower())
f = BytesIO()
display_path = escape(unquote(self.path))
f.write(b'<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">')
f.write(b"<html>\n<title>Directory listing for %s</title>\n" % display_path.encode('utf-8'))
f.write(b"<body>\n<h2>Directory listing for %s</h2>\n" % display_path.encode('utf-8'))
f.write(b"<hr>\n")
f.write(b"<form ENCTYPE=\"multipart/form-data\" method=\"post\">")
f.write(b"<input name=\"file\" type=\"file\"/>")
f.write(b"<input type=\"submit\" value=\"upload\"/></form>\n")
f.write(b"<hr>\n<ul>\n")
for name in list_dir:
fullname = os.path.join(path, name)
display_name = linkname = name
# Append / for directories or @ for symbolic links
if os.path.isdir(fullname):
display_name = name + "/"
linkname = name + "/"
if os.path.islink(fullname):
display_name = name + "@"
# Note: a link to a directory displays with @ and links with /
f.write(
b'<li><a href="%s">%s</a>\n' % (quote(linkname).encode('utf-8'), escape(display_name).encode('utf-8')))
f.write(b"</ul>\n<hr>\n</body>\n</html>\n")
length = f.tell()
f.seek(0)
self.send_response(200)
self.send_header("Content-type", "text/html;charset=utf-8")
self.send_header("Content-Length", str(length))
self.end_headers()
return f
def guess_type(self, path):
"""
参数是PATH（文件名）。
返回值是表单类型/子类型的字符串，
可用于MIME内容类型标头。
默认实现在self.extensions_map表中查找文件的扩展名，默认使用application/octet流；
"""
base, ext = posixpath.splitext(path)
if ext in self.extensions_map:
return self.extensions_map[ext]
ext = ext.lower()
if ext in self.extensions_map:
return self.extensions_map[ext]
else:
return self.extensions_map['']
if not mimetypes.inited:
mimetypes.init() # try to read system mime.types
extensions_map = mimetypes.types_map.copy()
extensions_map.update({
'': 'application/octet-stream', # Default
'.py': 'text/plain',
'.c': 'text/plain',
'.h': 'text/plain',
})
manejo de ruta de archivo
Convierta la RUTA separada por / en la sintaxis del nombre de archivo local.
Los componentes que tienen un significado especial para el sistema de archivos local (como nombres de unidades o directorios) pueden bloquearse o diagnosticarse.
def translate_path(path):
# abandon query parameters
path = path.split('?', 1)[0]
path = path.split('#', 1)[0]
path = posixpath.normpath(unquote(path))
words = path.split('/')
words = filter(None, words)
# 获取你的py文件存放的路径
path = os.getcwd()
# 可在此自定义路径（如果有其路径）
path = path+"/file_xxx/xxx"
for word in words:
drive, word = os.path.splitdrive(word)
head, word = os.path.split(word)
if word in (os.curdir, os.pardir):
continue
path = os.path.join(path, word)
return path
Recordatorio de información
Si el servidor HTTP está cerrado
def signal_handler(signal, frame):
print("You choose to stop me.")
exit()
Inicialización del servidor HTTP
Establezca el valor inicial del servidor HTTP, según la configuración de su propia computadora.
Para IP, la configuración de IP de ambas partes debe ser la misma.
# 版本设置 自定义
__version__ = "0.3.1"
def _argparse():
parser = argparse.ArgumentParser()
# 一般用户电脑用做服务器，每次开机后，ip4地址可能会发生变化
ip = input("请输入IP地址:")
parser.add_argument('--bind', '-b', metavar='ADDRESS', default=ip,
help='Specify alternate bind address [default: all interfaces]')
parser.add_argument('--version', '-v', action='version', version=__version__)
parser.add_argument('port', action='store', default=8000, type=int, nargs='?',
help='Specify alternate port [default: 8000]')
return parser.parse_args()
Habilitar servidor HTTP
Después de iniciar el programa py, generará la URL. Después de hacer clic, ingresará automáticamente al servicio HTTP y podrá realizar operaciones de transferencia de archivos.
def main():
args = _argparse()
# print(args)
server_address = (args.bind, args.port)
signal.signal(signal.SIGINT, signal_handler)
signal.signal(signal.SIGTERM, signal_handler)
httpd = HTTPServer(server_address, SimpleHTTPRequestHandler)
server = httpd.socket.getsockname()
print(
"server_version: " + SimpleHTTPRequestHandler.server_version + ", python_version: " + SimpleHTTPRequestHandler.sys_version)
print("sys encoding: " + sys.getdefaultencoding())
print("Serving http on: " + str(server[0]) + ", port: " + str(server[1]) + " ... (http://" + server[0] + ":" + str(
server[1]) + "/)")
httpd.serve_forever()
if __name__ == '__main__':
main()