Package lxml :: Module cssselect

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Module cssselect

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CSS Selectors based on XPath.

This module supports selecting XML/HTML tags based on CSS selectors. See the CSSSelector class for details.

Classes

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SelectorSyntaxError

ExpressionError

CSSSelector
A CSS selector.

_UniToken

Symbol

String

Token

Class
Represents selector.class_name

Function
Represents selector:name(expr)

Pseudo
Represents selector:ident

Attrib
Represents selector[namespace|attrib operator value]

Element
Represents namespace|element

Hash
Represents selector#id

CombinedSelector

XPathExpr

XPathExprOr
Represents |'d expressions. Note that unfortunately it isn't the union, it's the sum, so duplicate elements will appear.

TokenStream

Functions

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_make_lower_case(context, s)

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css_to_xpath(css_expr, prefix='descendant-or-self::') source code

split_at_single_quotes(...)
split(string[, maxsplit = 0]) --> list. Split string by the occurrences of pattern.

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xpath_literal(s)

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parse(string)

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parse_selector_group(stream)

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parse_selector(stream)

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parse_simple_selector(stream)

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is_int(v)

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parse_attrib(selector, stream)

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parse_series(s)
Parses things like '1n+2', or 'an+b' generally, returning (a, b)

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_match_whitespace(...)
match(string[, pos[, endpos]]) --> match object or None. Matches zero or more characters at the beginning of the string

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_replace_comments(...)
sub(repl, string[, count = 0]) --> newstring Return the string obtained by replacing the leftmost non-overlapping occurrences of pattern in string by the replacement repl.

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_match_count_number(...)
match(string[, pos[, endpos]]) --> match object or None. Matches zero or more characters at the beginning of the string

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tokenize(s)

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split_at_string_escapes(...)
split(string[, maxsplit = 0]) --> list. Split string by the occurrences of pattern.

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unescape_string_literal(literal)

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tokenize_escaped_string(s, pos)

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tokenize_symbol(s, pos)

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Variables

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ns = FunctionNamespace('http://codespeak.net/lxml/css/')

_el_re = re.compile(r'(?u)^\w+\s*$')

_id_re = re.compile(r'(?u)^(\w*)#(\w+)\s*$')

_class_re = re.compile(r'(?u)^(\w*)\.(\w+)\s*$')

_illegal_symbol = re.compile(r'(?u)[^\w\\-]')

__package__ = 'lxml'