cpython/Tools/webchecker/websucker.py

#! /usr/bin/env python

"""A variant on webchecker that creates a mirror copy of a remote site."""

__version__ = "$Revision$"

import os
import sys
import string
import urllib
import getopt

import webchecker

# Extract real version number if necessary
if __version__[0] == '$':
    _v = string.split(__version__)
    if len(_v) == 3:
	__version__ = _v[1]

def main():
    verbose = webchecker.VERBOSE
    try:
	opts, args = getopt.getopt(sys.argv[1:], "qv")
    except getopt.error, msg:
	print msg
	print "usage:", sys.argv[0], "[-qv] ... [rooturl] ..."
	return 2
    for o, a in opts:
	if o == "-q":
	    verbose = 0
	if o == "-v":
	    verbose = verbose + 1
    c = Sucker()
    c.setflags(verbose=verbose)
    c.urlopener.addheaders = [
	    ('User-agent', 'websucker/%s' % __version__),
	]
    for arg in args:
	print "Adding root", arg
	c.addroot(arg)
    print "Run..."
    c.run()

class Sucker(webchecker.Checker):

    checkext = 0

    def readhtml(self, url):
	text = None
	path = self.savefilename(url)
	try:
	    f = open(path, "rb")
	except IOError:
	    f = self.openpage(url)
	    if f:
		info = f.info()
		nurl = f.geturl()
		if nurl != url:
		    url = nurl
		    path = self.savefilename(url)
		text = f.read()
		f.close()
		self.savefile(text, path)
		if not self.checkforhtml(info, url):
		    text = None
	else:
	    if self.checkforhtml({}, url):
		text = f.read()
	    f.close()
	return text, url

    def savefile(self, text, path):
	dir, base = os.path.split(path)
	makedirs(dir)
	f = open(path, "wb")
	f.write(text)
	f.close()
	print "saved", path

    def savefilename(self, url):
	type, rest = urllib.splittype(url)
	host, path = urllib.splithost(rest)
	while path[:1] == "/": path = path[1:]
	user, host = urllib.splituser(host)
	host, port = urllib.splitnport(host)
	host = string.lower(host)
	path = os.path.join(host, path)
	if path[-1] == "/": path = path + "index.html"
	if os.sep != "/":
	    path = string.join(string.split(path, "/"), os.sep)
	return path

def makedirs(dir):
    if not dir or os.path.exists(dir):
	return
    head, tail = os.path.split(dir)
    if not tail:
	print "Huh?  Don't know how to make dir", dir
	return
    makedirs(head)
    os.mkdir(dir, 0777)

if __name__ == '__main__':
    sys.exit(main() or 0)