创建Python Web服务器 - 布局和设置 [英] Creating a Python webserver - layout and setup
问题描述
import string,cgi,time
来自os import curdir,sep
来自BaseHTTPServer import BaseHTTPRequestHandler,HTTPServer
import os
import mimetypes
#import pri
port = 888
host =0.0.0.0
class MyHandler(BaseHTTPRequestHandler):
def do_GET(self):
try:
#RequestedURL = self .path
mimeType = mimetypes.guess_type(self.path)[0]
fileType = mimetypes.guess_extension(mimeType)
infoList = [mimeType,fileType]
如果infoList [1]!=。py:
self.send_response(200)
self.send_header('Content-type',mimeType)
self.end_headers()
f = open(curdir + sep + self.path,rb)
self.wfile.write(f.read())
f.close()
返回
if fileType ==。py:
pyth onFilename = self.path.lstrip(/)
self.send_response(200)
self.send_header('Content-type','text / html')
self.end_headers( )
pyname = pythonFilename.replace(/,。)[: - 3]
print pythonFilename
print pyname
temp1 = pyname.split(。)
temp2 = temp1 [-1]
print temp2
module = __import __(root.index)
self.wfile.write(module.root.index.do_work())
#module = __import __(test.index)
#self.wfile.write(module.index.do_work())
返回
返回
除了IOError:
self.send_error(404,'找不到文件:%s'%self.path)
def do_POST(self):
global rootnode
try:
ctype,pdict = cgi.parse_header(self.headers.getheader('content-type'))
if ctype =='multipa rt / form-data':
query = cgi.parse_multipart(self.rfile,pdict)
self.send_response(301)
self.end_headers()
upfilecontent = query.get('upfile')
printfilecontent,upfilecontent [0]
self.wfile.write(< HTML> POST OK。< BR>< BR> );
self.wfile.write(upfilecontent [0]);
除外:
传递
def main():
try:
server = HTTPServer((host,port),MyHandler)
print'start httpserver:'
print(Host:+(host))
print(Port:+ str(port))
server .serve_forever()
除了KeyboardInterrupt:
print'^ C received,关闭服务器'
server.socket.close()
if __name__ =='__ main__ ':
main()
html和css有效,但png图片无法加载
尽管你的ifs非常冗余,但你已经走上了正轨。我建议你重构代码以使用循环和字典来检查类型:
mime = {html:text / html,css:text / css,png:image / png}
如果mime.keys()中的RequestedFileType:
self.send_response(200)
self.send_header('Content-type',mime [RequestedFileType])
self.end_headers()
print RequestedFileType
f = open(curdir + sep + self.path)
self.wfile.write(f.read())
f.close()
返回
此外,您将二进制文件作为文本发送。而不是打开(curdir + sep + self.path)使用open(curdir + sep + self.path,b)
来自toptal.com的Gergely
am I going about this in the correct way? Ive never done anything like this before, so im not 100% sure on what I am doing. The code so far gets html and css files and that works fine, but images wont load, and will I have to create a new "if" for every different file type? or am I doing this a silly way...here is what I have:
import string,cgi,time
from os import curdir, sep
from BaseHTTPServer import BaseHTTPRequestHandler, HTTPServer
import os
import mimetypes
#import pri
port = 888
host = "0.0.0.0"
class MyHandler(BaseHTTPRequestHandler):
def do_GET(self):
try:
#RequestedURL = self.path
mimeType = mimetypes.guess_type(self.path)[0]
fileType = mimetypes.guess_extension(mimeType)
infoList = [mimeType, fileType]
if infoList[1] != ".py":
self.send_response(200)
self.send_header('Content-type', mimeType)
self.end_headers()
f = open(curdir + sep + self.path, "rb")
self.wfile.write(f.read())
f.close()
return
if fileType == ".py":
pythonFilename = self.path.lstrip("/")
self.send_response(200)
self.send_header('Content-type', 'text/html')
self.end_headers()
pyname = pythonFilename.replace("/", ".")[:-3]
print pythonFilename
print pyname
temp1 = pyname.split(".")
temp2 = temp1[-1]
print temp2
module = __import__(root.index)
self.wfile.write(module.root.index.do_work())
#module = __import__("test.index")
#self.wfile.write( module.index.do_work())
return
return
except IOError:
self.send_error(404,'File Not Found: %s' % self.path)
def do_POST(self):
global rootnode
try:
ctype, pdict = cgi.parse_header(self.headers.getheader('content-type'))
if ctype == 'multipart/form-data':
query=cgi.parse_multipart(self.rfile, pdict)
self.send_response(301)
self.end_headers()
upfilecontent = query.get('upfile')
print "filecontent", upfilecontent[0]
self.wfile.write("<HTML>POST OK.<BR><BR>");
self.wfile.write(upfilecontent[0]);
except :
pass
def main():
try:
server = HTTPServer((host, port), MyHandler)
print 'started httpserver:'
print ("Host: " + (host))
print ("Port: " + str(port))
server.serve_forever()
except KeyboardInterrupt:
print '^C received, shutting down server'
server.socket.close()
if __name__ == '__main__':
main()
html and css works, but png images do not load
You are on the right track with it, though your ifs are very redundant. I suggest you refactor the code to check for type using a loop and a dict:
mime = {"html":"text/html", "css":"text/css", "png":"image/png"}
if RequestedFileType in mime.keys():
self.send_response(200)
self.send_header('Content-type', mime[RequestedFileType])
self.end_headers()
print RequestedFileType
f = open(curdir + sep + self.path)
self.wfile.write(f.read())
f.close()
return
Also, you are sending binary files as text. Instead of open(curdir + sep + self.path) use open(curdir + sep + self.path, "b")
Gergely from toptal.com
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