Mercurial > eagle-eye
comparison ikweb/tools/lazy/www/work/find.py @ 247:7747bbe5b68e
start to develope Information Exchange Center of Ikariam Game. (prototpye)
| author | "Hisn Yi, Chen <ossug.hychen@gmail.com>" |
|---|---|
| date | Mon, 01 Dec 2008 00:27:22 +0800 |
| parents | |
| children |
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| 246:60c4b4b78a01 | 247:7747bbe5b68e |
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| 1 from lxml import etree | |
| 2 from cStringIO import StringIO | |
| 3 | |
| 4 class Finder: | |
| 5 | |
| 6 dom_tree = None | |
| 7 xpath = None | |
| 8 | |
| 9 def __init__(self, working_product): | |
| 10 self.working_prodcut = working_product | |
| 11 | |
| 12 self.encoding = 'utf8' | |
| 13 | |
| 14 def find(self, express , callback = None): | |
| 15 | |
| 16 if self.dom_tree is None: self.set_dom_tree(self.working_prodcut.content) | |
| 17 | |
| 18 xpath = self.dom_tree.xpath(express) | |
| 19 | |
| 20 if callback: return self.callback(xpath) | |
| 21 return xpath | |
| 22 | |
| 23 def set_dom_tree(self, content): | |
| 24 stream = StringIO(content) | |
| 25 | |
| 26 parser = etree.XMLParser(encoding=self.encoding) | |
| 27 self.dom_tree = etree.parse(stream, parser) |