#!/usr/bin/env python #coding:utf-8 # Author: mozman --<mozman@gmx.at> # Purpose: pattern module # Created: 27.09.2010 # Copyright (C) 2010, Manfred Moitzi # License: MIT License import re #coordinate ::= number ("em" | "ex" | "px" | "in" | "cm" | "mm" | "pt" | "pc" | "%")? coordinate = re.compile(r"(^[-+]?[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?)(cm|em|ex|in|mm|pc|pt|px|%)?$") #length ::= number ("em" | "ex" | "px" | "in" | "cm" | "mm" | "pt" | "pc" | "%")? length = coordinate #angle ::= number (~"deg" | ~"grad" | ~"rad")? angle = re.compile(r"(^[-+]?[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?)(deg|rad|grad)?$") # numbers without units number = re.compile(r"(^[-+]?[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?)$") # number as percentage value '###%' percentage = re.compile(r"(^[-+]?[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?)%$") #frequency ::= number (~"Hz" | ~"kHz") frequency = re.compile(r"(^[-+]?[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?)(Hz|kHz)?$") #time ::= number (~"s" | ~"ms") time = re.compile(r"(^[-+]?[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?)(s|ms)?$")