package_index.py 文件源码

def _download_html(self, url, headers, filename):
        file = open(filename)
        for line in file:
            if line.strip():
                # Check for a subversion index page
                if re.search(r'<title>([^- ]+ - )?Revision \d+:', line):
                    # it's a subversion index page:
                    file.close()
                    os.unlink(filename)
                    return self._download_svn(url, filename)
                break   # not an index page
        file.close()
        os.unlink(filename)
        raise DistutilsError("Unexpected HTML page found at "+url)