File:  [Repository] / ECHO_content / ECHO_helpers.py
Revision 1.30: download - view: text, annotated - select for diffs - revision graph
Thu Dec 2 15:44:26 2004 UTC (19 years, 7 months ago) by dwinter
Branches: MAIN
CVS tags: HEAD
bug in readMetadata fixed

    1: import re
    2: import string
    3: import socket
    4: import urllib
    5: import string
    6: import xml.dom.minidom
    7: from types import *
    8: from Products.PageTemplates.PageTemplateFile import PageTemplateFile
    9: from OFS.SimpleItem import SimpleItem
   10: from Globals import package_home
   11: import Globals
   12: from AccessControl import ClassSecurityInfo
   13: import os.path
   14: 
   15: displayTypes = ['ZSQLExtendFolder','ZSQLBibliography','ECHO_group','ECHO_collection','ECHO_resource','ECHO_link','ECHO_sqlElement','ECHO_pageTemplate','ECHO_externalLink','ImageCollectionIFrame','VLP_resource','VLP_essay','ECHO_ZCatalogElement','ImageCollection','versionedFileFolder']
   16: 
   17: def content_html(self,type):
   18:         """template fuer content"""
   19:         #templates = self.ZopeFind(self.aq_parent,obj_ids=[type+"_template"])
   20:         #
   21:         #if templates:
   22:         #    return templates[0][1]()
   23: 
   24:         if hasattr(self,type+"_template"):
   25:             obj=getattr(self,type+"_template")
   26:             return obj()
   27:         else:
   28:             pt=PageTemplateFile('Products/ECHO_content/zpt/ECHO_%s_template_standard.zpt'%type).__of__(self)
   29:             pt.content_type="text/html"
   30:             return pt()
   31:     
   32:     
   33: 
   34: class ECHO_basis:
   35:     """basis eigenschaften fuer echo objekte"""
   36:     def showRDF(self):
   37: 	    """showrdf"""
   38:             self.REQUEST.RESPONSE.setHeader('Content-Type','text/xml')
   39: 	    ret="""<?xml version="1.0" encoding="utf-8"?>\n<RDF:RDF xmlns:RDF="http://www.w3.org/1999/02/22-rdf-syntax-ns#"  xmlns:ECHONAVIGATION="http://www.echo.eu/rdf#">\n"""
   40: 	    ret+=self.getRDF(urn="echo:colllectionroot")+"\n"
   41: 
   42: 	    ret+="""</RDF:RDF>"""
   43:     	    return ret 
   44: 
   45:   
   46: 
   47:     def createSubElementRDF(self,urn=None):
   48: 	    """rdf list"""
   49: 	    if not urn:
   50: 		    urn=self.absolute_url()
   51: 	    ret=""
   52: 
   53: 	    rettemp="""<RDF:Seq RDF:about="%s">\n"""%urn
   54: 	    flag=0
   55: 	    
   56: 	    li="""<RDF:li RDF:resource="%s" />\n"""
   57: 	    if not ('<error>' in self.getFullTextXML(noredirect='Yes')):
   58: 		    nurn=self.absolute_url()+'/getFullTextXML'
   59: 		    rettemp+=li%nurn
   60: 		    flag=1
   61: 	    if not ('<error>' in self.getImageView(noredirect='Yes')):
   62: 		    nurn=self.absolute_url()+'/getImageView'
   63: 		    rettemp+=li%nurn
   64: 		    flag=1
   65: 
   66: 
   67: 	    if not ('<error>' in self.showMetaDataXML()):
   68: 		    nurn=self.absolute_url()+'/showMetaDataXML'
   69: 		    rettemp+=li%nurn
   70: 		    flag=1
   71: 		    
   72: 	    rettemp+="</RDF:Seq>"
   73: 
   74: 	    if flag==1:
   75: 		    ret+=rettemp
   76: 		    
   77: 	    if not ('<error>' in self.getFullTextXML(noredirect='Yes')):
   78:                     nurn=self.absolute_url()+'/getFullTextXML'	
   79: 		    ret+=getRDFDescription(self,self.absolute_url()+'/getFullTextXML',urn=nurn,nameDef="Fulltext",typeName="ECHO_fulltext")
   80: 
   81: 	    if not ('<error>' in self.getImageView(noredirect='Yes')):
   82:                     nurn=self.absolute_url()+'/getImageView'
   83: 		    ret+=getRDFDescription(self,self.absolute_url()+'/getImageView',urn=nurn,nameDef="Image View",typeName="ECHO_imageview")
   84: 		    
   85: 	    if not ('<error>' in self.showMetaDataXML()):
   86:                     nurn=self.absolute_url()+'/showMetaDataXML'
   87: 		    ret+=getRDFDescription(self,self.absolute_url()+'/showMetaDataXML',urn=nurn,nameDef="Metadata",typeName="ECHO_metaData")
   88: 
   89: 	    return ret
   90: 	    
   91:     def content_html(self,type="collection"):
   92: 	    """template fuer content bei einbau und ECHO_Umgebung"""
   93: 	    
   94: 	    return content_html(self,type)
   95:         
   96:     def getTitle(self):
   97: 	"""title"""
   98: 	try:
   99: 		return self.title.encode('utf-8','ignore') 
  100: 	except:
  101: 		self.title=self.title.decode('iso-8859-1','ignore')[0:] #correnct conding error
  102: 		return self.title.encode('utf-8','ignore') 
  103: 	
  104:     def getLabel(self):
  105: 	"""title"""
  106: 	try:
  107: 		return self.label.encode('utf-8','ignore') 
  108: 	except:
  109: 		self.label=self.label.decode('iso-8859-1','ignore')[0:] #correnct conding error
  110: 		return self.label.encode('utf-8','ignore') 
  111: 	
  112:     
  113:     def changeECHOEntriesForm(self):
  114:         """change Entries for the ECHO Navigation environment"""
  115:         pt=PageTemplateFile(os.path.join(package_home(globals()),'zpt','changeECHOEntriesForm')).__of__(self)
  116:         return pt()
  117:     
  118:     def changeECHOEntries(self,label,weight,description,queryString,RESPONSE=None):
  119:         """change Entries for the ECHO Navigation environment
  120:         @param label: label fuer die Navigation"""
  121:         self.label=label
  122:         self.weight=weight
  123:         self.description=description
  124: 	self.queryString=queryString
  125:         
  126:         if RESPONSE:
  127:             RESPONSE.redirect("manage_main")
  128: 
  129:     manage_options=({'label':'change ECHO Navigation Entries','action':'changeECHOEntriesForm'},)
  130: 
  131:     def getMapAreas(self):
  132:         """returns the list of MapAreas"""
  133: 	# get all contained MapAreas
  134:         areas = [res[1] for res in self.ZopeFind(self, obj_metatypes=('MapArea'))]
  135: 	return areas
  136: 
  137:     def addMapArea(self, newarea):
  138: 	"""add a map area to this object"""
  139: 	if (newarea.id is None):
  140: 	    # create new id
  141: 	    areas = self.getMapAreas()
  142: 	    newarea.id = "a%02d"%len(areas)
  143: 	self._setObject(newarea.id, newarea)
  144: 
  145:     def ECHO_addCoords(self,RESPONSE=None):
  146:         """change or add MapArea"""
  147: 	#return self.REQUEST
  148: 	# change existing areas
  149: 	for area in self.getMapAreas():
  150: 	    id = area.getId()
  151: 	    if self.REQUEST.has_key('del.'+id):
  152: 		# delete this area
  153: 		self._delObject(id)
  154: 		# return to same menu
  155: 		if RESPONSE is not None:
  156: 		    RESPONSE.redirect('ECHO_graphicEntry')
  157: 		return
  158: 	    # modify this area
  159: 	    coordstring = self.REQUEST.get('coords.'+id, '')
  160: 	    coords = string.split(coordstring, ',')
  161: 	    angle = self.REQUEST.get('angle.'+id, '0')
  162: 	    type = self.REQUEST.get('type.'+id, 'area')
  163: 	    if len(coords) == 4:
  164: 		area.setCoordString(coordstring)
  165: 		area.setAngle(angle)
  166: 		area.setType(type)
  167: 	# add new area
  168: 	if self.REQUEST.has_key('add'):
  169: 	    coordstring = self.REQUEST.get('coords.new', '')
  170: 	    coords = string.split(coordstring, ',')
  171: 	    angle = self.REQUEST.get('angle.new', '0')
  172: 	    type = self.REQUEST.get('type.new', 'area')
  173: 	    if len(coords) == 4:
  174: 		coords.append(angle)
  175: 		area = MapArea(None, coords, type=type)
  176: 		self.addMapArea(area)
  177: 	# return to edit area menu
  178: 	if RESPONSE is not None:
  179: 	    RESPONSE.redirect('ECHO_graphicEntry')
  180: 
  181: 
  182:     #ende der echo erweiterungen
  183: 
  184: 
  185: def toList(field):
  186:     """Einzelfeld in Liste umwandeln"""
  187:     if type(field)==StringType:
  188:         return [field]
  189:     else:
  190:         return field
  191: 
  192: def getText(nodelist):
  193: 
  194:     rc = ""
  195:     for node in nodelist:
  196:     	if node.nodeType == node.TEXT_NODE:
  197:            rc = rc + node.data
  198:     return rc
  199: 
  200: def getTextFromNode(nodename):
  201:     nodelist=nodename.childNodes
  202:     rc = ""
  203:     for node in nodelist:
  204:     	if node.nodeType == node.TEXT_NODE:
  205:            rc = rc + node.data
  206:     return rc
  207: 
  208: 
  209: def readFieldFromXML(meta_url,parent,field):
  210: 	"""lesespezifisches metadatum"""
  211: 	
  212: 	try:
  213: 		dom=xml.dom.minidom.parse(meta_url)
  214: 
  215: 	except:
  216: 		try:
  217: 			fh=urllib.urlopen(meta_url)
  218: 			dom=xml.dom.minidom.parse(fh)
  219: 	        except:
  220: 			return None
  221: 	if not dom: return None
  222: 
  223: 	parent=dom.getElementsByTagName(parent)
  224: 	if not parent: return None
  225: 
  226: 	field=parent[0].getElementsByTagName(field)
  227: 
  228: 	if not field: return None
  229: 
  230: 	return getText(field[0].childNodes)
  231: 	
  232: 	
  233: 	      
  234: def urlopen(url):
  235: 	"""urlopen mit timeout"""
  236: 	socket.setdefaulttimeout(2)
  237: 	ret=urllib.urlopen(url)
  238: 	socket.setdefaulttimeout(5)
  239: 	return ret
  240: #	urlopener = urllib.URLopener()
  241: #
  242: #	try:		
  243: #		con = urlopener.open(url)
  244: #		return con
  245: #	except timeoutsocket.Timeout:
  246: #		return None
  247: 
  248: 
  249: 
  250: 
  251: 
  252: def checkOnlyOneInGroup(object): 
  253: 	"""check if object is a group and if it containt only one element it return this element"""
  254: 	displayedObjects=object.ZopeFind(object,obj_metatypes=displayTypes)
  255: 	if len(displayedObjects)==1: # nur ein Object dann redirect auf dieses Object
  256: 
  257: 		return displayedObjects[0][1]
  258: 	else:		return object
  259: 
  260: def getSubCols(self,sortfield="weight",subColTypes= displayTypes,sortFieldMD=None):
  261: 
  262: 	def sortfnc(sortfield,x,y):
  263: 		xa=x[1].getMDValue(sortfield)
  264: 		ya=y[1].getMDValue(sortfield)
  265: 		print xa,ya
  266: 		return cmp(xa,ya)
  267: 	
  268: 	sortWithMD = lambda sortfield : (lambda x,y : sortfnc(sortfield,x,y))
  269:         ids=[]
  270: 	displayedObjects=self.ZopeFind(self,obj_metatypes=subColTypes)
  271: 	
  272: 	
  273: 	for entry in displayedObjects:
  274:             
  275:             object=entry[1]
  276:             ids.append(object)
  277: 
  278:         try:
  279:             sortfield=self.sortfield
  280:         except:
  281:             """nothing"""
  282:             
  283:         tmplist=[]
  284:         for x in ids:
  285:             if hasattr(x,sortfield):
  286:                 try:
  287: 
  288:                     x=int(x)
  289:                 except:
  290:                     """nothing"""
  291:                 tmp=getattr(x,sortfield)
  292:             else:
  293:                 tmp=10000000
  294:             tmplist.append((tmp,x))
  295: 
  296: 	if not sortFieldMD:
  297: 		tmplist.sort()
  298: 	else:
  299: 		tmplist.sort(sortWithMD(sortFieldMD))
  300: 		
  301:         return [x for (key,x) in tmplist]
  302: 
  303: def ECHO_rerenderLinksMD(self,obj=None,types=['title','label']):
  304:         """Rerender all Links"""
  305: 	ret=""
  306: 	
  307:         if not obj:
  308:             obj = self
  309:             
  310:         entries=obj.ZopeFind(obj,obj_metatypes=['ECHO_resource'],search_sub=1)
  311: 
  312:         for entry in entries:
  313: 		if entry[1].meta_type == 'ECHO_resource':
  314: 			try:
  315: 				entry[1].ECHO_getResourceMD(template="no")
  316:                                 if "title" in types:
  317:                                     entry[1].generate_title()
  318:                                 if "label" in types:
  319:                                     entry[1].generate_label()
  320: 				ret+="OK:"+entry[0]+"-- "+entry[1].getTitle().decode('utf-8')+"-- "+entry[1].getTitle().decode('utf-8')+"<br>"
  321: 			except:
  322: 				ret+="Error:"+entry[0]+"<br>"
  323: 
  324: 		
  325:                 
  326:                 
  327:         return "<html><body>"+ret+"Rerenderd all links to resources in: "+self.title+"</html></body>"
  328: 
  329: def reloadMetaDataFromStorage(self,RESPONSE=None):
  330: 	    """copy metadata from the storage to ECHO"""
  331: 	    ret=""
  332: 	    resources=self.ZopeFind(self,obj_metatypes=['ECHO_resource'],search_sub=1)
  333: 
  334: 	    for resource in resources:
  335: 		    x=str(resource[1].copyIndex_meta2echo_resource())+"<br>"
  336: 		    ret+=x
  337: 		    #print x
  338: 		    
  339: 
  340: 	    if RESPONSE is not None:
  341: 		    #RESPONSE.redirect('./manage_main')
  342: 		    return "<html><body>"+ret+"</html></body>"
  343: 
  344: 	    return ret
  345:     
  346: def getRDFDescription(self,linkURL,urn=None,nameDef=None,typeName=None):
  347: 	    """rdf"""
  348: 	    
  349: 	    ret=""
  350: 	    about="""<RDF:Description RDF:about="%s">"""
  351: 	    name="""<ECHONAVIGATION:name>%s</ECHONAVIGATION:name>"""
  352: 	    link="""<ECHONAVIGATION:link xlink:href="%s">%s</ECHONAVIGATION:link>"""
  353: 	    clickable="""<ECHONAVIGATION:linkClickable>%s</ECHONAVIGATION:linkClickable>"""
  354: 	    #link="""<ECHONAVIGATION:link RDF:about="%s"/>"""
  355: 	    type="""<ECHONAVIGATION:type>%s</ECHONAVIGATION:type>"""
  356:             #xlink="""<ECHONAVIGATION:xlink xlink:href="%s"/>"""	
  357: 	    if not urn:
  358: 		    #urn="urn:"+re.sub('/',':',self.absolute_url())
  359: 		    urn=self.absolute_url()
  360: 	    about2=about%urn
  361: 	    if not nameDef:
  362: 		    if hasattr(self,'label') and not (self.label==""):
  363: 			    name2=name%self.label
  364: 		    elif not self.title=="":
  365: 			    name2=name%self.title
  366: 		    else:
  367: 			    name2=name%self.getId()
  368: 
  369: 		    name2=re.sub('&','&amp;',name2)
  370: 	    else:
  371: 		    name2=name%nameDef
  372: 
  373: 	    linkURL=re.sub('http:','',linkURL)
  374: 	    linkURL2=re.sub('&','&amp;',linkURL)
  375: 	    link2=link%(("http:"+linkURL2),("http:"+urllib.quote(linkURL)))
  376: 	    clickable2=clickable%"true"
  377: 
  378: 	    if not typeName:
  379: 		    type2=type%self.meta_type
  380: 	    else:
  381: 		    type2=type%typeName
  382: 	    
  383: 	    #ret=about2+"\n"+name2+"\n"+link2+"\n"+type2+"\n"+clickable2+"\n</RDF:Description>"
  384: 	    ret=about2+"\n"+name2+"\n"+type2+"\n"+clickable2+"\n</RDF:Description>"
  385: 	    return ret
  386:     
  387: def getCopyrightsFromForm(self,argv): 
  388: 	medias={}
  389: 	partners={}
  390: 	copyrights={}
  391: 	
  392: 	copyrightsFinal=[]
  393: 	for arg in argv.keys():
  394: 		
  395: 		if arg[0:5]=='media':
  396: 			nm=int(arg[5:])
  397: 			medias[nm]=argv[arg]
  398: 		elif arg[0:5]=='partn':
  399: 			nm=int(arg[5:])
  400: 			partners[nm]=argv[arg]
  401: 		elif arg[0:5]=='copyr':
  402: 			nm=int(arg[5:])
  403: 			copyrights[nm]=argv[arg]
  404: 
  405: 
  406: 
  407: 	copyrightsList=[(medias[nm],partners[nm],copyrights[nm]) for nm in medias.keys()]
  408: 	for copyright in copyrightsList:
  409: 		
  410: 		if copyright[2]=='institution0000':
  411: 			copyrightsFinal.append((copyright[0],copyright[1],self.getPartnerCopyright(copyright[1],'')))
  412: 		else:
  413: 			if not copyright[0]=='':
  414: 				copyrightsFinal.append(copyright)
  415: 		
  416: 			
  417: 	return copyrightsFinal
  418: 
  419: #List of different types for the graphical linking viewer
  420: viewClassificationListMaster=['view point','area']
  421: 
  422: 
  423: def checkDiffs(self,metadict):
  424: 	    """check differences"""
  425: 
  426: 	    
  427: 
  428:     
  429: 	    def NoneToEmpty(obj):
  430: 		    if obj:
  431: 			    return obj
  432: 		    else:
  433: 			    return ""
  434: 
  435: 	    
  436: 	    
  437: 	    diffs={}
  438: 	    
  439: 	    tags=self.findTagsFromMapping(self.contentType)
  440: 	    self.referencetypes=tags[2]
  441: 	    self.fields=tags[3]
  442: 	    
  443:     
  444: 	    for field in tags[1]:
  445: 		    try:
  446: 			    if (NoneToEmpty(self.getFieldValue(self.getFieldTag(tags,field)))==metadict[self.getFieldTag(tags,field)]):
  447: 				    diffs[self.getFieldTag(tags,field)]=1
  448: 			    else:
  449: 				    
  450: 				    diffs[self.getFieldTag(tags,field)]=0
  451: 		    except:
  452: 			    diffs[self.getFieldTag(tags,field)]=0
  453: 			    
  454: 	    return diffs
  455:     
  456: 
  457: def zptFile(self, path):
  458:     """returns a page template file from the product"""
  459:     pt=PageTemplateFile(os.path.join(package_home(globals()), path)).__of__(self)
  460:     return pt
  461: 
  462: 
  463: def sendFile(self, filename, type):
  464:     """sends an object or a local file (in the product) as response"""
  465:     paths = filename.split('/')
  466:     object = self
  467:     # look for an object called filename
  468:     for path in paths:
  469:         if hasattr(object, path):
  470: 	    object = getattr(object, path)
  471: 	else:
  472: 	    object = None
  473: 	    break
  474:     if object:
  475: 	# if the object exists then send it
  476: 	return object.index_html(self.REQUEST.REQUEST, self.REQUEST.RESPONSE)
  477:     else:
  478: 	# send a local file with the given content-type
  479: 	fn = os.path.join(package_home(globals()), filename)
  480: 	self.REQUEST.RESPONSE.setHeader("Content-Type", type)
  481: 	self.REQUEST.RESPONSE.write(file(fn).read())
  482:     return
  483: 
  484: 
  485: class BrowserCheck:
  486:     """check the browsers request to find out the browser type"""
  487:     
  488:     def __init__(self, zope):
  489:         """initialisiere"""
  490: 	self.ua = zope.REQUEST.get_header("HTTP_USER_AGENT")
  491: 	self.isN4 = False
  492: 	self.isIE = False
  493: 	if string.find(self.ua, 'MSIE') > -1:
  494: 	    self.isIE = True
  495: 	else:
  496: 	    self.isN4 = string.find(self.ua, 'Mozilla/4.') > -1
  497: 	try:
  498: 	    self.nav = self.ua[string.find(self.ua, '('):]
  499: 	    ie = string.split(self.nav, "; ")[1]
  500: 	    if string.find(ie, "MSIE") > -1:
  501: 		self.versIE = string.split(ie, " ")[1]
  502: 	except: pass
  503: 	self.isMac = string.find(self.ua, 'Macintosh') > -1
  504: 	self.isWin = string.find(self.ua, 'Windows') > -1
  505: 	self.isIEWin = self.isIE and self.isWin
  506: 	self.isIEMac = self.isIE and self.isMac
  507: 
  508: 		
  509: def writeMetadata(url,metadict,project=None,startpage=None,xslt=None,thumbtemplate=None,topbar=None,digiLibTemplate=None,xmlfrag=None,digiliburlprefix=None):
  510: 	"""Einlesen der Metadaten und und erstellen des geaenderten XML file"""
  511: 
  512: 	def updateTextToolNode(tag,value):
  513: 		#print dom,tag,value
  514: 		metanode=dom.getElementsByTagName('texttool')[0]
  515: 		try:
  516: 			nodeOld=metanode.getElementsByTagName(tag)
  517: 		except:
  518: 			nodeOld=None
  519: 			
  520: 		if nodeOld:
  521: 			metanode.removeChild(nodeOld[0]).unlink()
  522: 
  523: 		node=dom.createElement(tag)
  524: 		nodetext=dom.createTextNode(value)
  525: 		node.appendChild(nodetext)
  526: 		metanode.appendChild(node)
  527: 
  528: 	if xmlfrag:
  529: 		geturl="""<?xml version="1.0" ?>
  530:                            <resource type="MPIWG">
  531: 			   <meta>
  532: 			    <bib type="Book">
  533: 	                    </bib>
  534: 			    </meta>
  535: 			    </resource>"""
  536: 		dom=xml.dom.minidom.parseString(geturl)
  537: 	else:
  538: 		try:
  539: 			geturl=""
  540: 			for line in urlopen(url).readlines():
  541: 				geturl=geturl+line
  542: 
  543: 
  544: 		except:
  545: 			return (None,"XCannot open: "+url)
  546: 
  547: 		try:
  548: 			dom=xml.dom.minidom.parseString(geturl)
  549: 		except:
  550: 			return (None,"Cannot parse: "+url+"<br>"+geturl)
  551: 
  552: 	
  553: 
  554: 	metanodes=dom.getElementsByTagName('bib')
  555: 
  556: 	if not metanodes:
  557: 		metanodes=dom.getElementsByTagName('archimedes')
  558: 
  559: 	metanode=metanodes[0]
  560: 
  561: 	for metaData in metadict.keys():
  562: 		
  563: 		try:
  564: 			nodeOld=metanode.getElementsByTagName(metaData)
  565: 		except:
  566: 			nodeOld=None
  567: 			
  568: 		if nodeOld:
  569: 			metanode.removeChild(nodeOld[0]).unlink()
  570: 		else:
  571: 			# try also old writing rule - instead of _:
  572: 			try:
  573: 				nodeOld=metanode.getElementsByTagName(re.sub('_','-',metaData))
  574: 			except:
  575: 				nodeOld=None
  576: 				
  577: 			if nodeOld:
  578: 				metanode.removeChild(nodeOld[0]).unlink()
  579: 
  580: 		metanodeneu=dom.createElement(metaData)
  581:                 metanodetext=dom.createTextNode(metadict[metaData])
  582: 		#try:
  583: 			#metanodetext=dom.createTextNode(unicode(metadict[metaData],"utf-8"))
  584: 		#except:
  585: 			#metanodetext=dom.createTextNode(metadict[metaData].encode('utf-8'))
  586: 		metanodeneu.appendChild(metanodetext)
  587: 		metanode.appendChild(metanodeneu)
  588: 
  589: 
  590: 	
  591: 	
  592: 	
  593: 	if project:
  594: 		updateTextToolNode('project',project)
  595: 
  596: 	if startpage:
  597: 		updateTextToolNode('startpage',startpage)
  598: 
  599: 	if topbar:
  600: 		updateTextToolNode('toptemplate',topbar)
  601: 
  602: 	if thumbtemplate:
  603: 		updateTextToolNode('thumbtemplate',thumbtemplate)
  604: 
  605: 	if xslt:
  606: 		updateTextToolNode('xslt',xslt)
  607: 
  608: 	
  609: 	if digiliburlprefix:
  610: 		updateTextToolNode('digiliburlprefix',digiliburlprefix)
  611: 	
  612:         try:	
  613: 	 return dom.toxml().encode('utf-8')
  614: 	except:
  615: 	 return dom.toxml('utf-8')
  616: 
  617: 	
  618: 	
  619: def readMetadata(url):
  620:     """Methode zum Auslesen der Metadateninformation zu einer Resource
  621:     Vorerst noch Typ bib"""
  622:     
  623:     metadict={}
  624:     
  625:     try:
  626:         geturl=""
  627:         for line in urlopen(url).readlines():
  628:             geturl=geturl+line
  629:         
  630:         
  631:     except:
  632:         return (None,"Cannot open: "+url)
  633: 
  634:     try:
  635:         dom=xml.dom.minidom.parseString(geturl)
  636:     except:
  637: 	    return (None,"Cannot parse: "+url+"<br>"+geturl)
  638: 
  639:     metanode=dom.getElementsByTagName('bib')
  640:     metadict['bib_type']='Book'
  641:     if len(metanode)==0:
  642:         metanode=dom.getElementsByTagName('archimedes')
  643:         metadict['bib_type']='Archimedes'
  644:         
  645:         
  646:     if not len(metanode)==0:    
  647:         metacontent=metanode[0].childNodes
  648:     
  649:         try:
  650:             metadict['bib_type']=getText(dom.getElementsByTagName('bib')[0].attributes['type'].childNodes)
  651:         except:
  652:             """nothing"""
  653:         
  654:         for node in metacontent:
  655: 		try:
  656: 			#print urllib.unquote(getText(node.childNodes)),getText(node.childNodes)
  657: 			metadict[re.sub('-','_',node.tagName.lower())]=urllib.unquote(getText(node.childNodes))
  658: 		except:
  659: 			"""nothing"""
  660: 
  661: 
  662:     return metadict,""
  663:     
  664: 
  665: class MapArea(SimpleItem):
  666:     """simple class to hold coordinates"""
  667: 
  668:     meta_type = 'MapArea'
  669:     # Create a SecurityInfo for this class.
  670:     security = ClassSecurityInfo()
  671:     security.setDefaultAccess("allow")
  672:     # type constants
  673:     TYPE_AREA = 'area'
  674:     TYPE_ARROW = 'arrow'
  675: 	
  676:     def __init__(self, id, coords, label=None, type=None, text=None):
  677: 	"""init"""
  678: 	self.coords = coords[0:4]
  679: 	if len(coords) > 4:
  680: 	    self.angle = coords[4]
  681: 	else:
  682: 	    self.angle = 0
  683: 	self.id = id
  684: 	self.label = label
  685: 	self.setType(type)
  686: 	self.text = text
  687: 
  688:     def setCoords(self, coords):
  689: 	"""sets the coords"""
  690: 	self.coords = coords
  691: 
  692:     def getCoordString(self):
  693: 	"""returns coordinates as a string"""
  694: 	return string.join(self.coords, ',')
  695: 
  696:     def setCoordString(self, coordstring):
  697: 	"""sets coordinates from a string"""
  698: 	coords = string.split(coordstring, ',')
  699: 	self.coords = [c.strip() for c in coords]
  700: 
  701:     def getFullId(self, prefix=None):
  702: 	"""returns the id with prefixed parent id"""
  703: 	if prefix is None:
  704: 	    if hasattr(self, 'aq_parent'):
  705: 		prefix = self.aq_parent.id
  706: 	    else:
  707: 		prefix = "id"
  708: 	fid = prefix + "." + self.id
  709: 	return fid
  710: 
  711:     def getType(self):
  712: 	"""returns the type"""
  713: 	return self.type
  714: 
  715:     def setType(self, type):
  716: 	"""sets the type"""
  717: 	if type == MapArea.TYPE_ARROW:
  718: 	    self.type = MapArea.TYPE_ARROW
  719: 	elif type == MapArea.TYPE_AREA:
  720: 	    self.type = MapArea.TYPE_AREA
  721: 	else:
  722: 	    self.type = MapArea.TYPE_AREA
  723: 	    
  724:     def isTypeArea(self):
  725: 	"""returns if the type is area"""
  726: 	return self.type == MapArea.TYPE_AREA
  727: 
  728:     def isTypeArrow(self):
  729: 	"""returns if the type is arrow"""
  730: 	return self.type == MapArea.TYPE_ARROW
  731: 
  732:     def getAngle(self):
  733: 	"""returns the angle"""
  734: 	return self.angle
  735: 
  736:     def setAngle(self, angle):
  737: 	"""sets the angle"""
  738: 	self.angle = angle
  739: 
  740:     def getText(self):
  741: 	"""returns the popup text"""
  742: 	if self.text is None:
  743: 	    if hasattr(self, 'aq_parent'):
  744: 		parent = self.aq_parent
  745: 		if parent.contentType == 'text-popup':
  746: 		    return parent.description
  747: 	return self.text
  748: 
  749:     def setText(self, text):
  750: 	"""sets the text"""
  751: 	self.text = text
  752: 
  753:     def getLabel(self):
  754: 	"""returns the link label"""
  755: 	if self.label is None:
  756: 	    if hasattr(self, 'aq_parent'):
  757: 		return self.aq_parent.label or self.aq_parent.id
  758: 	return self.label
  759: 
  760:     def setLabel(self, label):
  761: 	"""sets the label"""
  762: 	self.label = label
  763: 
  764:     def getLinkId(self):
  765: 	if hasattr(self, 'aq_parent'):
  766: 	    return self.aq_parent.id
  767: 	return self.id
  768: 
  769: 
  770: # call this to initialize framework classes, which
  771: # does the right thing with the security assertions.
  772: Globals.InitializeClass(MapArea)

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