Method css

Lib/pagebot/elements/element.py:1514–1536

In case we are looking for a plain css value, cascading from the main ancestor styles of self, then follow the parent links until document or root, if self does not contain the requested value. >>> from pagebot.toolbox.units import em >>> from pagebot.document import

(self, name, default=None)

    # until style value is defined.

    def css(self, name, default=None):
        """In case we are looking for a plain css value, cascading from the
        main ancestor styles of self, then follow the parent links until
        document or root, if self does not contain the requested value.

        >>> from pagebot.toolbox.units import em
        >>> from pagebot.document import Document
        >>> doc = Document()
        >>> page = doc[1]
        >>> e = Element(fontSize=pt(24), parent=page)
        >>> e.css('fontSize') # Find local style value
        24pt
        >>> e.css('leading') # Find value in root style. Default is absolute unit. Can be changed to em.
        1.4em
        >>> e = Element(fontSize=pt(24), leading=em(1.4))
        >>> e.css('leading'), round(e.css('leading').pt) # Show unit and rendered compared to
        (1.4em, 17)
        """
        if name in self.style and self.style[name] is not None:
            return self.style[name]
        if self.parent is not None:
            return self.parent.css(name, default)
        return default

    def checkStyleArgs(self, d):
        """Fix style values where necessary.