lxml.html.defs

Package lxml :: Package html :: Module defs |
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# Source Code for Module lxml.html.defs

      1  # FIXME: this should all be confirmed against what a DTD says
      2  # (probably in a test; this may not match the DTD exactly, but we
      3  # should document just how it differs).
      4
      5  # Data taken from http://www.w3.org/TR/html401/index/elements.html
      6
      7  empty_tags = [
      8      'area', 'base', 'basefont', 'br', 'col', 'frame', 'hr',
      9      'img', 'input', 'isindex', 'link', 'meta', 'param']
     10
     11  deprecated_tags = [
     12      'applet', 'basefont', 'center', 'dir', 'font', 'isindex',
     13      'menu', 's', 'strike', 'u']
     14
     15  # archive actually takes a space-separated list of URIs
     16  link_attrs = [
     17      'action', 'archive', 'background', 'cite', 'classid',
     18      'codebase', 'data', 'href', 'longdesc', 'profile', 'src',
     19      'usemap',
     20      # Not standard:
     21      'dynsrc', 'lowsrc',
     22      ]
     23
     24  # Not in the HTML 4 spec:
     25  # onerror, onresize
     26  event_attrs = [
     27      'onblur', 'onchange', 'onclick', 'ondblclick', 'onerror',
     28      'onfocus', 'onkeydown', 'onkeypress', 'onkeyup', 'onload',
     29      'onmousedown', 'onmousemove', 'onmouseout', 'onmouseover',
     30      'onmouseup', 'onreset', 'onresize', 'onselect', 'onsubmit',
     31      'onunload',
     32      ]
     33
     34  safe_attrs = [
     35      'abbr', 'accept', 'accept-charset', 'accesskey', 'action', 'align',
     36      'alt', 'axis', 'border', 'cellpadding', 'cellspacing', 'char', 'charoff',
     37      'charset', 'checked', 'cite', 'class', 'clear', 'cols', 'colspan',
     38      'color', 'compact', 'coords', 'datetime', 'dir', 'disabled', 'enctype',
     39      'for', 'frame', 'headers', 'height', 'href', 'hreflang', 'hspace', 'id',
     40      'ismap', 'label', 'lang', 'longdesc', 'maxlength', 'media', 'method',
     41      'multiple', 'name', 'nohref', 'noshade', 'nowrap', 'prompt', 'readonly',
     42      'rel', 'rev', 'rows', 'rowspan', 'rules', 'scope', 'selected', 'shape',
     43      'size', 'span', 'src', 'start', 'summary', 'tabindex', 'target', 'title',
     44      'type', 'usemap', 'valign', 'value', 'vspace', 'width']
     45
     46  # From http://htmlhelp.com/reference/html40/olist.html
     47  top_level_tags = [
     48      'html', 'head', 'body', 'frameset',
     49      ]
     50
     51  head_tags = [
     52      'base', 'isindex', 'link', 'meta', 'script', 'style', 'title',
     53      ]
     54
     55  general_block_tags = [
     56      'address',
     57      'blockquote',
     58      'center',
     59      'del',
     60      'div',
     61      'h1',
     62      'h2',
     63      'h3',
     64      'h4',
     65      'h5',
     66      'h6',
     67      'hr',
     68      'ins',
     69      'isindex',
     70      'noscript',
     71      'p',
     72      'pre',
     73      ]
     74
     75  list_tags = [
     76      'dir', 'dl', 'dt', 'dd', 'li', 'menu', 'ol', 'ul',
     77      ]
     78
     79  table_tags = [
     80      'table', 'caption', 'colgroup', 'col',
     81      'thead', 'tfoot', 'tbody', 'tr', 'td', 'th',
     82      ]
     83
     84  # just this one from
     85  # http://www.georgehernandez.com/h/XComputers/HTML/2BlockLevel.htm
     86  block_tags = general_block_tags + list_tags + table_tags + [
     87      # Partial form tags
     88      'fieldset', 'form', 'legend', 'optgroup', 'option',
     89      ]
     90
     91  form_tags = [
     92      'form', 'button', 'fieldset', 'legend', 'input', 'label',
     93      'select', 'optgroup', 'option', 'textarea',
     94      ]
     95
     96  special_inline_tags = [
     97      'a', 'applet', 'basefont', 'bdo', 'br', 'embed', 'font', 'iframe',
     98      'img', 'map', 'area', 'object', 'param', 'q', 'script',
     99      'span', 'sub', 'sup',
    100      ]
    101
    102  phrase_tags = [
    103      'abbr', 'acronym', 'cite', 'code', 'del', 'dfn', 'em',
    104      'ins', 'kbd', 'samp', 'strong', 'var',
    105      ]
    106
    107  font_style_tags = [
    108      'b', 'big', 'i', 's', 'small', 'strike', 'tt', 'u',
    109      ]
    110
    111  frame_tags = [
    112      'frameset', 'frame', 'noframes',
    113      ]
    114
    115  # These tags aren't standard
    116  nonstandard_tags = ['blink', 'marque']
    117
    118  tags = (top_level_tags + head_tags + general_block_tags + list_tags
    119          + table_tags + form_tags + special_inline_tags + phrase_tags
    120          + font_style_tags + nonstandard_tags)
    121