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- """Simple HTTP Server.
-
- This module builds on BaseHTTPServer by implementing the standard GET
- and HEAD requests in a fairly straightforward manner.
-
- """
-
-
- __version__ = "0.3"
-
-
- import os
- import sys
- import time
- import socket
- import string
- import posixpath
- import SocketServer
- import BaseHTTPServer
-
-
- class SimpleHTTPRequestHandler(BaseHTTPServer.BaseHTTPRequestHandler):
-
- """Simple HTTP request handler with GET and HEAD commands.
-
- This serves files from the current directory and any of its
- subdirectories. It assumes that all files are plain text files
- unless they have the extension ".html" in which case it assumes
- they are HTML files.
-
- The GET and HEAD requests are identical except that the HEAD
- request omits the actual contents of the file.
-
- """
-
- server_version = "SimpleHTTP/" + __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 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)
- if os.path.isdir(path):
- self.send_error(403, "Directory listing not supported")
- return None
- try:
- f = open(path, 'rb')
- except IOError:
- self.send_error(404, "File not found")
- return None
- self.send_response(200)
- self.send_header("Content-type", self.guess_type(path))
- self.end_headers()
- return f
-
- def translate_path(self, path):
- """Translate a /-separated PATH to the local filename syntax.
-
- Components that mean special things to the local file system
- (e.g. drive or directory names) are ignored. (XXX They should
- probably be diagnosed.)
-
- """
- path = posixpath.normpath(path)
- words = string.splitfields(path, '/')
- words = filter(None, words)
- path = os.getcwd()
- 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
-
- def copyfile(self, source, outputfile):
- """Copy all data between two file objects.
-
- The SOURCE argument is a file object open for reading
- (or anything with a read() method) and the DESTINATION
- argument is a file object open for writing (or
- anything with a write() method).
-
- The only reason for overriding this would be to change
- the block size or perhaps to replace newlines by CRLF
- -- note however that this the default server uses this
- to copy binary data as well.
-
- """
-
- BLOCKSIZE = 8192
- while 1:
- data = source.read(BLOCKSIZE)
- if not data: break
- outputfile.write(data)
-
- def guess_type(self, path):
- """Guess the type of a file.
-
- Argument is a PATH (a filename).
-
- Return value is a string of the form type/subtype,
- usable for a MIME Content-type header.
-
- The default implementation looks the file's extension
- up in the table self.extensions_map, using text/plain
- as a default; however it would be permissible (if
- slow) to look inside the data to make a better guess.
-
- """
-
- base, ext = posixpath.splitext(path)
- if self.extensions_map.has_key(ext):
- return self.extensions_map[ext]
- ext = string.lower(ext)
- if self.extensions_map.has_key(ext):
- return self.extensions_map[ext]
- else:
- return self.extensions_map['']
-
- extensions_map = {
- '': 'text/plain', # Default, *must* be present
- '.html': 'text/html',
- '.htm': 'text/html',
- '.gif': 'image/gif',
- '.jpg': 'image/jpeg',
- '.jpeg': 'image/jpeg',
- }
-
-
- def test(HandlerClass = SimpleHTTPRequestHandler,
- ServerClass = BaseHTTPServer.HTTPServer):
- BaseHTTPServer.test(HandlerClass, ServerClass)
-
-
- if __name__ == '__main__':
- test()
-