更新版下载地址： http://www.cnblogs.com/dabaopku/archive/2010/08/27/1810040.html

分别保存成两个文件，dict.py是主程序

调用有道的翻译结果

需要 PtQt4支持

窗口为popup,失去焦点后自动结束程序

dict.py

#! /usr/bin/pythonimport sys
from PyQt4 import QtGui , QtCore
import lookup
import commandsclass WinDict(QtGui.QWidget):def __init__(self):QtGui.QWidget.__init__(self)cursor=QtGui.QCursor.pos()self.setGeometry(cursor.x()-150,20,500,500)self.setWindowFlags(QtCore.Qt.Popup)grid=QtGui.QGridLayout()grid.setSpacing(10)        grid.addWidget(QtGui.QLabel("Word"), 1, 0)self.txtWord = QtGui.QLineEdit()self.txtRes = QtGui.QTextEdit()self.txtRes.setReadOnly(True)grid.addWidget(self.txtWord, 1, 1)grid.addWidget(self.txtRes, 3, 0, 5, 2)self.setLayout(grid)self.txtWord.returnPressed.connect(self.Translate)self.txtWord.setFocus()def Translate(self):res=lookup.look_up(self.txtWord.text())reload(sys)sys.setdefaultencoding('utf-8')res=unicode(res)self.txtRes.setText(res)def hideEvent(self,event):print "Goodbye"quit()app = QtGui.QApplication(sys.argv)
dict=WinDict()
reload(sys)
sys.setdefaultencoding('utf-8')
dict.show()
sys.exit(app.exec_())

lookup.py

#! /usr/bin/python
# coding=gbk
import re
import urllib
import urllib2
import sysdef look_up(word):xml = crawl_xml(str(word))res = decorate(xml)return resdef get_elements_by_path(xml, elem):if type(xml) == type(''):xml = [xml]if type(elem) == type(''):elem = elem.split('/')if (len(xml) == 0):return []elif (len(elem) == 0):return xmlelif (len(elem) == 1):result = []for item in xml:result += get_elements(item, elem[0])return resultelse:subitems = []for item in xml:subitems += get_elements(item, elem[0])return get_elements_by_path(subitems, elem[1:])textre = re.compile("\!\[CDATA\[(.*?)\]\]", re.DOTALL)def get_text(xml):match = re.search(textre, xml)if not match:return xmlreturn match.group(1)def get_elements(xml, elem):p = re.compile("<" + elem + ">" + "(.*?)</" + elem + ">", re.DOTALL)it = p.finditer(xml)result = []for m in it:result.append(m.group(1))return resultdef crawl_xml(queryword):return urllib2.urlopen("http://dict.yodao.com/search?keyfrom=dict.python&q="+ urllib.quote_plus(queryword) + "&xmlDetail=true&doctype=xml").read();def decorate(xml):#print xmloriginal_query = get_elements(xml, "original-query")queryword = get_text(original_query[0])res = u"<div style=\"font-family:微软雅黑\"><center><p><span style=\"font-size:25px; color:#f00;\">" + queryword + "</span>" #prounounceprou=get_elements(xml, "phonetic-symbol")if len(prou)>0:prou=get_text(prou[0])res+="<span style=\"font-size:15px>\">   ["+prou+"]</span>"res += "</p></center>"    #word formwordforms=get_elements(xml, "word-form")if len(wordforms)>0:res+="<p>"for wordform in wordforms:formname=get_elements(wordform, "name")res+=get_text(formname[0])+": "formname=get_elements(wordform, "value")res+=get_text(formname[0])+"    "res+="</p>"    #ec trans  custom_translations = get_elements(xml, "custom-translation")if len(custom_translations)>0:ectrans=custom_translations[0]src=get_elements_by_path(ectrans, "source/name")if len(src)>0:res+="<p style=\"color:#2555B4\">"+get_text(src[0])+"</p>"        trans=get_elements_by_path(ectrans, "translation/content")res+="<ul>"for tran in trans:res+="<li>"+get_text(tran)+"</li>"res+="</ul>"# phraseyodao_translations = get_elements(xml, "yodao-web-dict")if len(yodao_translations)>0:res+=u"<p style=\"color:#2555B4\">词组</p><ul>"        for trans in yodao_translations:webtrans = get_elements(trans, "web-translation")for web in webtrans[0:50]:keys = get_elements(web, "key")values = get_elements_by_path(web, "trans/value")summaries = get_elements_by_path(web, "trans/summary")key = keys[0].strip()value = values[0].strip()res+= "<li>"+get_text(key) + ":\t" + get_text(value)+"</li>";res+="</ul>"#sentencesents=get_elements(xml, "sentence-pair")if len(sents)>0:res+=u"<p style=\"color:#2555B4\">句子</p><ul>" for sent in sents:res+="<li>"+get_text(get_elements(sent, "sentence")[0])res+="<br/>"+get_text(get_elements(sent, "sentence-translation")[0])+"</li>"res+="</ul>"#cc transcustom_translations = get_elements(xml, "custom-translation")if len(custom_translations)>1:ectrans=custom_translations[1]src=get_elements_by_path(ectrans, "source/name")if len(src)>0:res+="<p style=\"color:#2555B4\">"+get_text(src[0])+"</p>"        trans=get_elements_by_path(ectrans, "translation/content")res+="<ul>"for tran in trans:res+="<li>"+get_text(tran)+"</li>"res+="</ul>"res+="</div>"return res

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