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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 pwd
+import sys
+import time
+import socket
+import string
+import posixpath
+import SocketServer
+import BaseHTTPServer
+
+
+def nobody_uid():
+ """Internal routine to get nobody's uid"""
+ try:
+ nobody = pwd.getpwnam('nobody')[2]
+ except pwd.error:
+ nobody = 1 + max(map(lambda x: x[2], pwd.getpwall()))
+ return nobody
+
+nobody = nobody_uid()
+
+
+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)
+ 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 = SocketServer.TCPServer):
+ BaseHTTPServer.test(HandlerClass, ServerClass)
+
+
+if __name__ == '__main__':
+ test()