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- #
- # withAttribute.py
- # Copyright, 2007 - Paul McGuire
- #
- # Simple example of using withAttribute parse action helper
- # to define
- #
- import pyparsing as pp
- data = """\
- <td align=right width=80><font size=2 face="New Times Roman,Times,Serif"> 49.950 </font></td>
- <td align=left width=80><font size=2 face="New Times Roman,Times,Serif"> 50.950 </font></td>
- <td align=right width=80><font size=2 face="New Times Roman,Times,Serif"> 51.950 </font></td>
- """
- td, tdEnd = pp.makeHTMLTags("TD")
- font, fontEnd = pp.makeHTMLTags("FONT")
- realNum = pp.pyparsing_common.real
- NBSP = pp.Literal(" ")
- patt = td + font + NBSP + realNum("value") + NBSP + fontEnd + tdEnd
- # always use addParseAction when adding withAttribute as a parse action to a start tag
- td.addParseAction(pp.withAttribute(align="right", width="80"))
- for s in patt.searchString(data):
- print(s.value)
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