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csscomment.py
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92 lines (70 loc) · 2.59 KB
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"""CSSComment is not defined in DOM Level 2 at all but a cssutils defined
class only.
Implements CSSRule which is also extended for a CSSComment rule type.
"""
__all__ = ['CSSComment']
import xml.dom
import cssutils
from . import cssrule
class CSSComment(cssrule.CSSRule):
"""
Represents a CSS comment (cssutils only).
Format::
/*...*/
"""
def __init__(
self, cssText=None, parentRule=None, parentStyleSheet=None, readonly=False
):
super().__init__(parentRule=parentRule, parentStyleSheet=parentStyleSheet)
self._cssText = None
if cssText:
self._setCssText(cssText)
self._readonly = readonly
def __repr__(self):
return f"cssutils.css.{self.__class__.__name__}(cssText={self.cssText!r})"
def __str__(self):
return f"<cssutils.css.{self.__class__.__name__} object cssText={self.cssText!r} at 0x{id(self):x}>"
def _getCssText(self):
"""Return serialized property cssText."""
return cssutils.ser.do_CSSComment(self)
def _setCssText(self, cssText):
"""
:param cssText:
textual text to set or tokenlist which is not tokenized
anymore. May also be a single token for this rule
:exceptions:
- :exc:`~xml.dom.SyntaxErr`:
Raised if the specified CSS string value has a syntax error and
is unparsable.
- :exc:`~xml.dom.InvalidModificationErr`:
Raised if the specified CSS string value represents a different
type of rule than the current one.
- :exc:`~xml.dom.NoModificationAllowedErr`:
Raised if the rule is readonly.
"""
super()._setCssText(cssText)
tokenizer = self._tokenize2(cssText)
commenttoken = self._nexttoken(tokenizer)
unexpected = self._nexttoken(tokenizer)
if (
not commenttoken
or self._type(commenttoken) != self._prods.COMMENT
or unexpected
):
self._log.error(
'CSSComment: Not a CSSComment: %r' % self._valuestr(cssText),
error=xml.dom.InvalidModificationErr,
)
else:
self._cssText = self._tokenvalue(commenttoken)
cssText = property(
_getCssText,
_setCssText,
doc="The parsable textual representation of this rule.",
)
type = property(
lambda self: self.COMMENT,
doc="The type of this rule, as defined by a CSSRule " "type constant.",
)
# constant but needed:
wellformed = property(lambda self: True)