服务器上的文件的上传和下载
Posted 朝闻道
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我们有很多种方式上传文件到服务器上，比如FTP, 比如使用命令行工具：SZ/RZ, SCP等等的。
我之前经常使用的是SZ/RZ这个命令，但是在Mac下经常乱码然后卡住不动了，所以我很崩溃。下面说说我现在
采用的办法吧。
下载文件
python -m SimpleHTTPServer 9999上传文件
文件名：SimpleHTTPServerWithUpload.py
#!/usr/bin/env python
"""Simple HTTP Server With Upload.
This module builds on BaseHTTPServer by implementing the standard GET
and HEAD requests in a fairly straightforward manner.
"""
__version__ = "0.1"
__all__ = ["SimpleHTTPRequestHandler"]
__author__ = "bones7456"
__home_page__ = "http://li2z.cn/"
import os
import posixpath
import BaseHTTPServer
import urllib
import cgi
import shutil
import mimetypes
import re
try:
from cStringIO import StringIO
except ImportError:
from StringIO import StringIO
class SimpleHTTPRequestHandler(BaseHTTPServer.BaseHTTPRequestHandler):
"""Simple HTTP request handler with GET/HEAD/POST commands.
This serves files from the current directory and any of its
subdirectories. The MIME type for files is determined by
calling the .guess_type() method. And can reveive file uploaded
by client.
The GET/HEAD/POST requests are identical except that the HEAD
request omits the actual contents of the file.
"""
server_version = "SimpleHTTPWithUpload/" + __version__
def do_GET(self):
"""Serve a GET request."""
f = self.send_head()
if f:
self.copyfile(f, self.wfile)
f.close()
def do_HEAD(self):
"""Serve a HEAD request."""
f = self.send_head()
if f:
f.close()
def do_POST(self):
"""Serve a POST request."""
r, info = self.deal_post_data()
print r, info, "by: ", self.client_address
f = StringIO()
f.write(\'<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">\')
f.write("<html>\\n<title>Upload Result Page</title>\\n")
f.write("<body>\\n<h2>Upload Result Page</h2>\\n")
f.write("<hr>\\n")
if r:
f.write("<strong>Success:</strong>")
else:
f.write("<strong>Failed:</strong>")
f.write(info)
f.write("<br><a href=\\"%s\\">back</a>" % self.headers[\'referer\'])
f.write("<hr><small>Powerd By: bones7456, check new version at ")
f.write("<a href=\\"http://li2z.cn/?s=SimpleHTTPServerWithUpload\\">")
f.write("here</a>.</small></body>\\n</html>\\n")
length = f.tell()
f.seek(0)
self.send_response(200)
self.send_header("Content-type", "text/html")
self.send_header("Content-Length", str(length))
self.end_headers()
if f:
self.copyfile(f, self.wfile)
f.close()
def deal_post_data(self):
boundary = self.headers.plisttext.split("=")[1]
remainbytes = int(self.headers[\'content-length\'])
line = self.rfile.readline()
remainbytes -= len(line)
if not boundary in line:
return (False, "Content NOT begin with boundary")
line = self.rfile.readline()
remainbytes -= len(line)
fn = re.findall(r\'Content-Disposition.*name="file"; filename="(.*)"\', line)
if not fn:
return (False, "Can\'t find out file name...")
path = self.translate_path(self.path)
fn = os.path.join(path, fn[0])
line = self.rfile.readline()
remainbytes -= len(line)
line = self.rfile.readline()
remainbytes -= len(line)
try:
out = open(fn, \'wb\')
except IOError:
return (False, "Can\'t create file to write, do you have permission to write?")
preline = self.rfile.readline()
remainbytes -= len(preline)
while remainbytes > 0:
line = self.rfile.readline()
remainbytes -= len(line)
if boundary in line:
preline = preline[0:-1]
if preline.endswith(\'\\r\'):
preline = preline[0:-1]
out.write(preline)
out.close()
return (True, "File \'%s\' upload success!" % fn)
else:
out.write(preline)
preline = line
return (False, "Unexpect Ends of data.")
def send_head(self):
"""Common code for GET and HEAD commands.
This sends the response code and MIME headers.
Return value is either a file object (which has to be copied
to the outputfile by the caller unless the command was HEAD,
and must be closed by the caller under all circumstances), or
None, in which case the caller has nothing further to do.
"""
path = self.translate_path(self.path)
f = None
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)
ctype = self.guess_type(path)
try:
# Always read in binary mode. Opening files in text mode may cause
# newline translations, making the actual size of the content
# transmitted *less* than the content-length!
f = open(path, \'rb\')
except IOError:
self.send_error(404, "File not found")
return None
self.send_response(200)
self.send_header("Content-type", ctype)
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):