Parsing and Compiling HTML¶
Parse HTML and compile to TALInterpreter
intermediate code, using
a TALGenerator
.
-
zope.tal.htmltalparser.
BOOLEAN_HTML_ATTRS
= frozenset(['compact', 'defer', 'checked', 'selected', 'ismap', 'disabled', 'readonly', 'noshade', 'noresize', 'multiple', 'nowrap', 'declare'])¶ List of Boolean attributes in HTML that may be given in minimized form (e.g.
<img ismap>
rather than<img ismap="">
) From http://www.w3.org/TR/xhtml1/#guidelines (C.10)
-
zope.tal.htmltalparser.
EMPTY_HTML_TAGS
= frozenset(['isindex', 'img', 'area', 'hr', 'frame', 'meta', 'param', 'basefont', 'base', 'link', 'br', 'input', 'col'])¶ List of HTML tags with an empty content model; these are rendered in minimized form, e.g.
<img />
. From http://www.w3.org/TR/xhtml1/#dtds
-
zope.tal.htmltalparser.
PARA_LEVEL_HTML_TAGS
= frozenset(['h2', 'h3', 'h1', 'h6', 'h4', 'h5', 'p'])¶ List of HTML elements that close open paragraph-level elements and are themselves paragraph-level.
-
zope.tal.htmltalparser.
BLOCK_CLOSING_TAG_MAP
= {'dd': frozenset(['dd', 'dt']), 'tr': frozenset(['td', 'tr', 'th']), 'li': frozenset(['li']), 'th': frozenset(['td', 'th']), 'dt': frozenset(['dd', 'dt']), 'td': frozenset(['td', 'th'])}¶ Tags that automatically close other tags.
-
zope.tal.htmltalparser.
BLOCK_LEVEL_HTML_TAGS
= frozenset(['dl', 'blockquote', 'dd', 'noframe', 'tr', 'tbody', 'li', 'ul', 'ol', 'tfoot', 'th', 'table', 'td', 'div', 'dt', 'thead'])¶ List of HTML tags that denote larger sections than paragraphs.
-
zope.tal.htmltalparser.
SECTION_LEVEL_HTML_TAGS
= frozenset(['dl', 'blockquote', 'th', 'h2', 'h3', 'dd', 'h1', 'h6', 'h4', 'h5', 'table', 'dt', 'div', 'ol', 'ul', 'tr', 'tbody', 'li', 'p', 'tfoot', 'noframe', 'td', 'thead'])¶ Section level HTML tags
-
exception
zope.tal.htmltalparser.
NestingError
(tagstack, endtag, position=(None, None))[source]¶ Bases:
HTMLParser.HTMLParseError
Exception raised when elements aren’t properly nested.
-
exception
zope.tal.htmltalparser.
EmptyTagError
(tag, position=(None, None))[source]¶ Bases:
zope.tal.htmltalparser.NestingError
Exception raised when empty elements have an end tag.
-
exception
zope.tal.htmltalparser.
OpenTagError
(tagstack, tag, position=(None, None))[source]¶ Bases:
zope.tal.htmltalparser.NestingError
Exception raised when a tag is not allowed in another tag.
-
class
zope.tal.htmltalparser.
HTMLTALParser
(gen=None)[source]¶ Bases:
HTMLParser.HTMLParser
Parser for HTML.
After you call either
parseFile()
andparseString()
you can retrieve the compiled program usinggetCode()
.Parameters: gen (TALGenerator) – The configured (with an expression compiler) code generator to use. If one is not given, a default will be used.