PC World Komputer 2010 April/PCWorld0410.iso/hity wydania/Ubuntu 9.10 PL/karmelkowy-koliberek-desktop-9.10-i386-PL.iso/casper/filesystem.squashfs/usr/lib/python2.6/htmllib.pyc

Python Compiled Bytecode | 2009-11-11 | 20KB | 626 lines

# Source Generated with Decompyle++
# File: in.pyc (Python 2.6)

'''HTML 2.0 parser.

See the HTML 2.0 specification:
http://www.w3.org/hypertext/WWW/MarkUp/html-spec/html-spec_toc.html
'''
from warnings import warnpy3k
warnpy3k('the htmllib module has been removed in Python 3.0', stacklevel = 2)
del warnpy3k
import sgmllib
from formatter import AS_IS
__all__ = [
    'HTMLParser',
    'HTMLParseError']

class HTMLParseError(sgmllib.SGMLParseError):
    """Error raised when an HTML document can't be parsed."""
    pass


class HTMLParser(sgmllib.SGMLParser):
    '''This is the basic HTML parser class.

    It supports all entity names required by the XHTML 1.0 Recommendation.
    It also defines handlers for all HTML 2.0 and many HTML 3.0 and 3.2
    elements.

    '''
    from htmlentitydefs import entitydefs

    def __init__(self, formatter, verbose = 0):
        '''Creates an instance of the HTMLParser class.

        The formatter parameter is the formatter instance associated with
        the parser.

        '''
        sgmllib.SGMLParser.__init__(self, verbose)
        self.formatter = formatter


    def error(self, message):
        raise HTMLParseError(message)


    def reset(self):
        sgmllib.SGMLParser.reset(self)
        self.savedata = None
        self.isindex = 0
        self.title = None
        self.base = None
        self.anchor = None
        self.anchorlist = []
        self.nofill = 0
        self.list_stack = []


    def handle_data(self, data):
        if self.savedata is not None:
            self.savedata = self.savedata + data
        elif self.nofill:
            self.formatter.add_literal_data(data)
        else:
            self.formatter.add_flowing_data(data)


    def save_bgn(self):
        '''Begins saving character data in a buffer instead of sending it
        to the formatter object.

        Retrieve the stored data via the save_end() method.  Use of the
        save_bgn() / save_end() pair may not be nested.

        '''
        self.savedata = ''


    def save_end(self):
        '''Ends buffering character data and returns all data saved since
        the preceding call to the save_bgn() method.

        If the nofill flag is false, whitespace is collapsed to single
        spaces.  A call to this method without a preceding call to the
        save_bgn() method will raise a TypeError exception.

        '''
        data = self.savedata
        self.savedata = None
        if not self.nofill:
            data = ' '.join(data.split())

        return data


    def anchor_bgn(self, href, name, type):
        '''This method is called at the start of an anchor region.

        The arguments correspond to the attributes of the <A> tag with
        the same names.  The default implementation maintains a list of
        hyperlinks (defined by the HREF attribute for <A> tags) within
        the document.  The list of hyperlinks is available as the data
        attribute anchorlist.

        '''
        self.anchor = href
        if self.anchor:
            self.anchorlist.append(href)



    def anchor_end(self):
        '''This method is called at the end of an anchor region.

        The default implementation adds a textual footnote marker using an
        index into the list of hyperlinks created by the anchor_bgn()method.

        '''
        if self.anchor:
            self.handle_data('[%d]' % len(self.anchorlist))
            self.anchor = None



    def handle_image(self, src, alt, *args):
        '''This method is called to handle images.

        The default implementation simply passes the alt value to the
        handle_data() method.

        '''
        self.handle_data(alt)


    def start_html(self, attrs):
        pass


    def end_html(self):
        pass


    def start_head(self, attrs):
        pass


    def end_head(self):
        pass


    def start_body(self, attrs):
        pass


    def end_body(self):
        pass


    def start_title(self, attrs):
        self.save_bgn()


    def end_title(self):
        self.title = self.save_end()


    def do_base(self, attrs):
        for a, v in attrs:
            if a == 'href':
                self.base = v
                continue



    def do_isindex(self, attrs):
        self.isindex = 1


    def do_link(self, attrs):
        pass


    def do_meta(self, attrs):
        pass


    def do_nextid(self, attrs):
        pass


    def start_h1(self, attrs):
        self.formatter.end_paragraph(1)
        self.formatter.push_font(('h1', 0, 1, 0))


    def end_h1(self):
        self.formatter.end_paragraph(1)
        self.formatter.pop_font()


    def start_h2(self, attrs):
        self.formatter.end_paragraph(1)
        self.formatter.push_font(('h2', 0, 1, 0))


    def end_h2(self):
        self.formatter.end_paragraph(1)
        self.formatter.pop_font()


    def start_h3(self, attrs):
        self.formatter.end_paragraph(1)
        self.formatter.push_font(('h3', 0, 1, 0))


    def end_h3(self):
        self.formatter.end_paragraph(1)
        self.formatter.pop_font()


    def start_h4(self, attrs):
        self.formatter.end_paragraph(1)
        self.formatter.push_font(('h4', 0, 1, 0))


    def end_h4(self):
        self.formatter.end_paragraph(1)
        self.formatter.pop_font()


    def start_h5(self, attrs):
        self.formatter.end_paragraph(1)
        self.formatter.push_font(('h5', 0, 1, 0))


    def end_h5(self):
        self.formatter.end_paragraph(1)
        self.formatter.pop_font()


    def start_h6(self, attrs):
        self.formatter.end_paragraph(1)
        self.formatter.push_font(('h6', 0, 1, 0))


    def end_h6(self):
        self.formatter.end_paragraph(1)
        self.formatter.pop_font()


    def do_p(self, attrs):
        self.formatter.end_paragraph(1)


    def start_pre(self, attrs):
        self.formatter.end_paragraph(1)
        self.formatter.push_font((AS_IS, AS_IS, AS_IS, 1))
        self.nofill = self.nofill + 1


    def end_pre(self):
        self.formatter.end_paragraph(1)
        self.formatter.pop_font()
        self.nofill = max(0, self.nofill - 1)


    def start_xmp(self, attrs):
        self.start_pre(attrs)
        self.setliteral('xmp')


    def end_xmp(self):
        self.end_pre()


    def start_listing(self, attrs):
        self.start_pre(attrs)
        self.setliteral('listing')


    def end_listing(self):
        self.end_pre()


    def start_address(self, attrs):
        self.formatter.end_paragraph(0)
        self.formatter.push_font((AS_IS, 1, AS_IS, AS_IS))


    def end_address(self):
        self.formatter.end_paragraph(0)
        self.formatter.pop_font()


    def start_blockquote(self, attrs):
        self.formatter.end_paragraph(1)
        self.formatter.push_margin('blockquote')


    def end_blockquote(self):
        self.formatter.end_paragraph(1)
        self.formatter.pop_margin()


    def start_ul(self, attrs):
        self.formatter.end_paragraph(not (self.list_stack))
        self.formatter.push_margin('ul')
        self.list_stack.append([
            'ul',
            '*',
            0])


    def end_ul(self):
        if self.list_stack:
            del self.list_stack[-1]

        self.formatter.end_paragraph(not (self.list_stack))
        self.formatter.pop_margin()


    def do_li(self, attrs):
        self.formatter.end_paragraph(0)
        if self.list_stack:
            (dummy, label, counter) = top = self.list_stack[-1]
            top[2] = counter = counter + 1
        else:
            (label, counter) = ('*', 0)
        self.formatter.add_label_data(label, counter)


    def start_ol(self, attrs):
        self.formatter.end_paragraph(not (self.list_stack))
        self.formatter.push_margin('ol')
        label = '1.'
        for a, v in attrs:
            if a == 'type':
                if len(v) == 1:
                    v = v + '.'

                label = v
                continue

        self.list_stack.append([
            'ol',
            label,
            0])


    def end_ol(self):
        if self.list_stack:
            del self.list_stack[-1]

        self.formatter.end_paragraph(not (self.list_stack))
        self.formatter.pop_margin()


    def start_menu(self, attrs):
        self.start_ul(attrs)


    def end_menu(self):
        self.end_ul()


    def start_dir(self, attrs):
        self.start_ul(attrs)


    def end_dir(self):
        self.end_ul()


    def start_dl(self, attrs):
        self.formatter.end_paragraph(1)
        self.list_stack.append([
            'dl',
            '',
            0])


    def end_dl(self):
        self.ddpop(1)
        if self.list_stack:
            del self.list_stack[-1]



    def do_dt(self, attrs):
        self.ddpop()


    def do_dd(self, attrs):
        self.ddpop()
        self.formatter.push_margin('dd')
        self.list_stack.append([
            'dd',
            '',
            0])


    def ddpop(self, bl = 0):
        self.formatter.end_paragraph(bl)
        if self.list_stack:
            if self.list_stack[-1][0] == 'dd':
                del self.list_stack[-1]
                self.formatter.pop_margin()




    def start_cite(self, attrs):
        self.start_i(attrs)


    def end_cite(self):
        self.end_i()


    def start_code(self, attrs):
        self.start_tt(attrs)


    def end_code(self):
        self.end_tt()


    def start_em(self, attrs):
        self.start_i(attrs)


    def end_em(self):
        self.end_i()


    def start_kbd(self, attrs):
        self.start_tt(attrs)


    def end_kbd(self):
        self.end_tt()


    def start_samp(self, attrs):
        self.start_tt(attrs)


    def end_samp(self):
        self.end_tt()


    def start_strong(self, attrs):
        self.start_b(attrs)


    def end_strong(self):
        self.end_b()


    def start_var(self, attrs):
        self.start_i(attrs)


    def end_var(self):
        self.end_i()


    def start_i(self, attrs):
        self.formatter.push_font((AS_IS, 1, AS_IS, AS_IS))


    def end_i(self):
        self.formatter.pop_font()


    def start_b(self, attrs):
        self.formatter.push_font((AS_IS, AS_IS, 1, AS_IS))


    def end_b(self):
        self.formatter.pop_font()


    def start_tt(self, attrs):
        self.formatter.push_font((AS_IS, AS_IS, AS_IS, 1))


    def end_tt(self):
        self.formatter.pop_font()


    def start_a(self, attrs):
        href = ''
        name = ''
        type = ''
        for attrname, value in attrs:
            value = value.strip()
            if attrname == 'href':
                href = value

            if attrname == 'name':
                name = value

            if attrname == 'type':
                type = value.lower()
                continue

        self.anchor_bgn(href, name, type)


    def end_a(self):
        self.anchor_end()


    def do_br(self, attrs):
        self.formatter.add_line_break()


    def do_hr(self, attrs):
        self.formatter.add_hor_rule()


    def do_img(self, attrs):
        align = ''
        alt = '(image)'
        ismap = ''
        src = ''
        width = 0
        height = 0
        for attrname, value in attrs:
            if attrname == 'align':
                align = value

            if attrname == 'alt':
                alt = value

            if attrname == 'ismap':
                ismap = value

            if attrname == 'src':
                src = value

            if attrname == 'width':

                try:
                    width = int(value)
                except ValueError:
                    pass
                except:
                    None<EXCEPTION MATCH>ValueError


            None<EXCEPTION MATCH>ValueError
            if attrname == 'height':

                try:
                    height = int(value)
                except ValueError:
                    pass
                except:
                    None<EXCEPTION MATCH>ValueError


            None<EXCEPTION MATCH>ValueError

        self.handle_image(src, alt, ismap, align, width, height)


    def do_plaintext(self, attrs):
        self.start_pre(attrs)
        self.setnomoretags()


    def unknown_starttag(self, tag, attrs):
        pass


    def unknown_endtag(self, tag):
        pass



def test(args = None):
    import sys as sys
    import formatter
    if not args:
        args = sys.argv[1:]

    if args:
        pass
    silent = args[0] == '-s'
    if silent:
        del args[0]

    if args:
        file = args[0]
    else:
        file = 'test.html'
    if file == '-':
        f = sys.stdin
    else:

        try:
            f = open(file, 'r')
        except IOError:
            msg = None
            print file, ':', msg
            sys.exit(1)

    data = f.read()
    if f is not sys.stdin:
        f.close()

    if silent:
        f = formatter.NullFormatter()
    else:
        f = formatter.AbstractFormatter(formatter.DumbWriter())
    p = HTMLParser(f)
    p.feed(data)
    p.close()

if __name__ == '__main__':
    test()