Annotation of ECHO_content/ECHO_helpers.py, revision 1.27
1.17 dwinter 1: import socket
1.15 dwinter 2: import urllib
1.21 dwinter 3: import xml.dom.minidom
1.24 dwinter 4: from types import *
1.25 dwinter 5: from Products.PageTemplates.PageTemplateFile import PageTemplateFile
6: from Globals import package_home
7: import os.path
8:
9: 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']
10:
11: def content_html(self,type):
12: """template fuer content"""
13: #templates = self.ZopeFind(self.aq_parent,obj_ids=[type+"_template"])
14: #
15: #if templates:
16: # return templates[0][1]()
17:
18: if hasattr(self,type+"_template"):
19: obj=getattr(self,type+"_template")
20: return obj()
21: else:
22: pt=PageTemplateFile('Products/ECHO_content/zpt/ECHO_%s_template_standard.zpt'%type).__of__(self)
23: pt.content_type="text/html"
24: return pt()
25:
26:
27:
28: class ECHO_basis:
29: """basis eigenschaften fuer echo objekte"""
1.26 dwinter 30: def showRDF(self):
31: """showrdf"""
32: self.REQUEST.RESPONSE.setHeader('Content-Type','text/xml')
33: 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"""
34: ret+=self.getRDF(urn="echo:colllectionroot")+"\n"
35:
36: ret+="""</RDF:RDF>"""
37: return ret
38:
39:
40:
41: def createSubElementRDF(self,urn=None):
42: """rdf list"""
43: if not urn:
44: urn=self.absolute_url()
45: ret=""
46:
47: rettemp="""<RDF:Seq RDF:about="%s">\n"""%urn
48: flag=0
49:
50: li="""<RDF:li RDF:resource="%s" />\n"""
51: if not ('<error>' in self.getFullTextXML(noredirect='Yes')):
52: nurn=self.absolute_url()+'/getFullTextXML'
53: rettemp+=li%nurn
54: flag=1
55: if not ('<error>' in self.getImageView(noredirect='Yes')):
56: nurn=self.absolute_url()+'/getImageView'
57: rettemp+=li%nurn
58: flag=1
59:
60:
61: if not ('<error>' in self.showMetaDataXML()):
62: nurn=self.absolute_url()+'/showMetaDataXML'
63: rettemp+=li%nurn
64: flag=1
65:
66: rettemp+="</RDF:Seq>"
67:
68: if flag==1:
69: ret+=rettemp
70:
71: if not ('<error>' in self.getFullTextXML(noredirect='Yes')):
72: nurn=self.absolute_url()+'/getFullTextXML'
73: ret+=getRDFDescription(self,self.absolute_url()+'/getFullTextXML',urn=nurn,nameDef="Fulltext",typeName="ECHO_fulltext")
74:
75: if not ('<error>' in self.getImageView(noredirect='Yes')):
76: nurn=self.absolute_url()+'/getImageView'
77: ret+=getRDFDescription(self,self.absolute_url()+'/getImageView',urn=nurn,nameDef="Image View",typeName="ECHO_imageview")
78:
79: if not ('<error>' in self.showMetaDataXML()):
80: nurn=self.absolute_url()+'/showMetaDataXML'
81: ret+=getRDFDescription(self,self.absolute_url()+'/showMetaDataXML',urn=nurn,nameDef="Metadata",typeName="ECHO_metaData")
82:
83: return ret
84:
1.25 dwinter 85: def content_html(self,type="collection"):
86: """template fuer content bei einbau und ECHO_Umgebung"""
87:
88: return content_html(self,type)
89:
90: def getTitle(self):
91: """title"""
92: try:
93: return self.title.encode('utf-8','ignore')
94: except:
95: self.title=self.title.decode('iso-8859-1','ignore')[0:] #correnct conding error
96: return self.title.encode('utf-8','ignore')
97:
98: def getLabel(self):
99: """title"""
100: try:
101: return self.label.encode('utf-8','ignore')
102: except:
103: self.label=self.label.decode('iso-8859-1','ignore')[0:] #correnct conding error
104: return self.label.encode('utf-8','ignore')
105:
106:
107: def changeECHOEntriesForm(self):
108: """change Entries for the ECHO Navigation environment"""
109: pt=PageTemplateFile(os.path.join(package_home(globals()),'zpt','changeECHOEntriesForm')).__of__(self)
110: return pt()
111:
1.26 dwinter 112: def changeECHOEntries(self,label,weight,description,queryString,RESPONSE=None):
1.25 dwinter 113: """change Entries for the ECHO Navigation environment
114: @param label: label fuer die Navigation"""
115: self.label=label
116: self.weight=weight
117: self.description=description
1.26 dwinter 118: self.queryString=queryString
1.25 dwinter 119:
120: if RESPONSE:
121: RESPONSE.redirect("manage_main")
122:
123: manage_options=({'label':'change ECHO Navigation Entries','action':'changeECHOEntriesForm'},)
124:
125: #ende der echo erweiterungen
126:
1.24 dwinter 127:
128: def toList(field):
129: """Einzelfeld in Liste umwandeln"""
130: if type(field)==StringType:
131: return [field]
132: else:
133: return field
1.21 dwinter 134:
135: def getText(nodelist):
136:
137: rc = ""
138: for node in nodelist:
139: if node.nodeType == node.TEXT_NODE:
140: rc = rc + node.data
141: return rc
142:
1.25 dwinter 143: def getTextFromNode(nodename):
144: nodelist=nodename.childNodes
145: rc = ""
146: for node in nodelist:
147: if node.nodeType == node.TEXT_NODE:
148: rc = rc + node.data
149: return rc
150:
1.21 dwinter 151:
152: def readFieldFromXML(meta_url,parent,field):
153: """lesespezifisches metadatum"""
1.16 dwinter 154:
1.21 dwinter 155: try:
156: dom=xml.dom.minidom.parse(meta_url)
157:
158: except:
1.22 dwinter 159: try:
160: fh=urllib.urlopen(meta_url)
161: dom=xml.dom.minidom.parse(fh)
162: except:
163: return None
1.21 dwinter 164: if not dom: return None
165:
166: parent=dom.getElementsByTagName(parent)
1.23 dwinter 167: if not parent: return None
1.21 dwinter 168:
169: field=parent[0].getElementsByTagName(field)
170:
171: if not field: return None
172:
173: return getText(field[0].childNodes)
174:
175:
176:
1.15 dwinter 177: def urlopen(url):
178: """urlopen mit timeout"""
1.20 dwinter 179: socket.setdefaulttimeout(2)
180: ret=urllib.urlopen(url)
1.18 dwinter 181: socket.setdefaulttimeout(5)
1.20 dwinter 182: return ret
1.17 dwinter 183: # urlopener = urllib.URLopener()
184: #
185: # try:
186: # con = urlopener.open(url)
187: # return con
188: # except timeoutsocket.Timeout:
189: # return None
1.15 dwinter 190:
191:
1.25 dwinter 192:
1.11 dwinter 193:
1.6 dwinter 194:
1.14 dwinter 195: def checkOnlyOneInGroup(object):
1.6 dwinter 196: """check if object is a group and if it containt only one element it return this element"""
197: displayedObjects=object.ZopeFind(object,obj_metatypes=displayTypes)
198: if len(displayedObjects)==1: # nur ein Object dann redirect auf dieses Object
1.8 dwinter 199:
1.6 dwinter 200: return displayedObjects[0][1]
1.27 ! dwinter 201: else: return object
1.6 dwinter 202:
1.27 ! dwinter 203: def getSubCols(self,sortfield="weight",subColTypes= displayTypes,sortFieldMD=None):
1.1 dwinter 204:
1.27 ! dwinter 205: def sortfnc(sortfield,x,y):
! 206: xa=x[1].getMDValue(sortfield)
! 207: ya=y[1].getMDValue(sortfield)
! 208: print xa,ya
! 209: return cmp(xa,ya)
! 210:
! 211: sortWithMD = lambda sortfield : (lambda x,y : sortfnc(sortfield,x,y))
1.1 dwinter 212: ids=[]
1.6 dwinter 213: displayedObjects=self.ZopeFind(self,obj_metatypes=subColTypes)
214:
215:
216: for entry in displayedObjects:
1.25 dwinter 217:
1.3 dwinter 218: object=entry[1]
1.25 dwinter 219: ids.append(object)
220:
1.1 dwinter 221: try:
222: sortfield=self.sortfield
223: except:
224: """nothing"""
225:
226: tmplist=[]
227: for x in ids:
228: if hasattr(x,sortfield):
229: try:
1.7 dwinter 230:
1.1 dwinter 231: x=int(x)
232: except:
233: """nothing"""
234: tmp=getattr(x,sortfield)
235: else:
236: tmp=10000000
237: tmplist.append((tmp,x))
1.25 dwinter 238:
1.27 ! dwinter 239: if not sortFieldMD:
! 240: tmplist.sort()
! 241: else:
! 242: tmplist.sort(sortWithMD(sortFieldMD))
! 243:
1.1 dwinter 244: return [x for (key,x) in tmplist]
1.25 dwinter 245:
246: def ECHO_rerenderLinksMD(self,obj=None,types=['title','label']):
247: """Rerender all Links"""
248: ret=""
249:
250: if not obj:
251: obj = self
252:
253: entries=obj.ZopeFind(obj,obj_metatypes=['ECHO_resource'],search_sub=1)
254:
255: for entry in entries:
256: if entry[1].meta_type == 'ECHO_resource':
257: try:
258: entry[1].ECHO_getResourceMD(template="no")
259: if "title" in types:
260: entry[1].generate_title()
261: if "label" in types:
262: entry[1].generate_label()
263: ret+="OK:"+entry[0]+"-- "+entry[1].getTitle().decode('utf-8')+"-- "+entry[1].getTitle().decode('utf-8')+"<br>"
264: except:
265: ret+="Error:"+entry[0]+"<br>"
266:
267:
268:
269:
270: return "<html><body>"+ret+"Rerenderd all links to resources in: "+self.title+"</html></body>"
271:
272: def reloadMetaDataFromStorage(self,RESPONSE=None):
273: """copy metadata from the storage to ECHO"""
274: ret=""
275: resources=self.ZopeFind(self,obj_metatypes=['ECHO_resource'],search_sub=1)
276:
277: for resource in resources:
278: x=str(resource[1].copyIndex_meta2echo_resource())+"<br>"
279: ret+=x
280: #print x
281:
282:
283: if RESPONSE is not None:
284: #RESPONSE.redirect('./manage_main')
285: return "<html><body>"+ret+"</html></body>"
286:
287: return ret
288:
289: def getRDFDescription(self,linkURL,urn=None,nameDef=None,typeName=None):
290: """rdf"""
291:
292: ret=""
293: about="""<RDF:Description RDF:about="%s">"""
294: name="""<ECHONAVIGATION:name>%s</ECHONAVIGATION:name>"""
295: link="""<ECHONAVIGATION:link xlink:href="%s">%s</ECHONAVIGATION:link>"""
296: clickable="""<ECHONAVIGATION:linkClickable>%s</ECHONAVIGATION:linkClickable>"""
297: #link="""<ECHONAVIGATION:link RDF:about="%s"/>"""
298: type="""<ECHONAVIGATION:type>%s</ECHONAVIGATION:type>"""
299: #xlink="""<ECHONAVIGATION:xlink xlink:href="%s"/>"""
300: if not urn:
301: #urn="urn:"+re.sub('/',':',self.absolute_url())
302: urn=self.absolute_url()
303: about2=about%urn
304: if not nameDef:
305: if hasattr(self,'label') and not (self.label==""):
306: name2=name%self.label
307: elif not self.title=="":
308: name2=name%self.title
309: else:
310: name2=name%self.getId()
311:
312: name2=re.sub('&','&',name2)
313: else:
314: name2=name%nameDef
315:
316: linkURL=re.sub('http:','',linkURL)
317: linkURL2=re.sub('&','&',linkURL)
318: link2=link%(("http:"+linkURL2),("http:"+urllib.quote(linkURL)))
319: clickable2=clickable%"true"
320:
321: if not typeName:
322: type2=type%self.meta_type
323: else:
324: type2=type%typeName
325:
326: #ret=about2+"\n"+name2+"\n"+link2+"\n"+type2+"\n"+clickable2+"\n</RDF:Description>"
327: ret=about2+"\n"+name2+"\n"+type2+"\n"+clickable2+"\n</RDF:Description>"
328: return ret
329:
330: def getCopyrightsFromForm(self,argv):
331: medias={}
332: partners={}
333: copyrights={}
334:
335: copyrightsFinal=[]
336: for arg in argv.keys():
337:
338: if arg[0:5]=='media':
339: nm=int(arg[5:])
340: medias[nm]=argv[arg]
341: elif arg[0:5]=='partn':
342: nm=int(arg[5:])
343: partners[nm]=argv[arg]
344: elif arg[0:5]=='copyr':
345: nm=int(arg[5:])
346: copyrights[nm]=argv[arg]
347:
348:
349:
350: copyrightsList=[(medias[nm],partners[nm],copyrights[nm]) for nm in medias.keys()]
351: for copyright in copyrightsList:
352:
353: if copyright[2]=='institution0000':
354: copyrightsFinal.append((copyright[0],copyright[1],self.getPartnerCopyright(copyright[1],'')))
355: else:
356: if not copyright[0]=='':
357: copyrightsFinal.append(copyright)
358:
359:
360: return copyrightsFinal
361:
362: #List of different types for the graphical linking viewer
363: viewClassificationListMaster=['view point','area']
364:
365:
366: def checkDiffs(self,metadict):
367: """check differences"""
368:
369:
370:
371:
372: def NoneToEmpty(obj):
373: if obj:
374: return obj
375: else:
376: return ""
377:
378:
379:
380: diffs={}
381:
382: tags=self.findTagsFromMapping(self.contentType)
383: self.referencetypes=tags[2]
384: self.fields=tags[3]
385:
386:
387: for field in tags[1]:
388: try:
389: if (NoneToEmpty(self.getFieldValue(self.getFieldTag(tags,field)))==metadict[self.getFieldTag(tags,field)]):
390: diffs[self.getFieldTag(tags,field)]=1
391: else:
392:
393: diffs[self.getFieldTag(tags,field)]=0
394: except:
395: diffs[self.getFieldTag(tags,field)]=0
396:
397: return diffs
398:
399:
400:
401:
402: def sendFile(self, filename, type):
403: """sends an object or a local file (in the product) as response"""
404: paths = filename.split('/')
405: object = self
406: # look for an object called filename
407: for path in paths:
408: if hasattr(object, path):
409: object = getattr(object, path)
410: else:
411: object = None
412: break
413: if object:
414: # if the object exists then send it
415: return object.index_html(self.REQUEST.REQUEST, self.REQUEST.RESPONSE)
416: else:
417: # send a local file with the given content-type
418: fn = os.path.join(package_home(globals()), filename)
419: self.REQUEST.RESPONSE.setHeader("Content-Type", type)
420: self.REQUEST.RESPONSE.write(file(fn).read())
421: return
422:
423: class BrowserCheck:
424: """check the browsers request to find out the browser type"""
425:
426: def __init__(self, zope):
427: """initialisiere"""
428: self.ua = zope.REQUEST.get_header("HTTP_USER_AGENT")
429: self.isN4 = (string.find(self.ua, 'Mozilla/4.') > -1) and (string.find(self.ua, 'MSIE') < 0)
430: self.isIE = string.find(self.ua, 'MSIE') > -1
431: self.nav = self.ua[string.find(self.ua, '('):]
432: ie = string.split(self.nav, "; ")[1]
433: if string.find(ie, "MSIE") > -1:
434: self.versIE = string.split(ie, " ")[1]
435: self.isMac = string.find(self.ua, 'Macintosh') > -1
436: self.isWin = string.find(self.ua, 'Windows') > -1
437: self.isIEWin = self.isIE and self.isWin
438: self.isIEMac = self.isIE and self.isMac
439:
440:
441:
442: def writeMetadata(url,metadict,project=None,startpage=None,xslt=None,thumbtemplate=None,topbar=None,digiLibTemplate=None,xmlfrag=None,digiliburlprefix=None):
443: """Einlesen der Metadaten und und erstellen des geaenderten XML file"""
444:
445: def updateTextToolNode(tag,value):
446: #print dom,tag,value
447: metanode=dom.getElementsByTagName('texttool')[0]
448: try:
449: nodeOld=metanode.getElementsByTagName(tag)
450: except:
451: nodeOld=None
452:
453: if nodeOld:
454: metanode.removeChild(nodeOld[0]).unlink()
455:
456: node=dom.createElement(tag)
457: nodetext=dom.createTextNode(value)
458: node.appendChild(nodetext)
459: metanode.appendChild(node)
460:
461: if xmlfrag:
462: geturl="""<?xml version="1.0" ?>
463: <resource type="MPIWG">
464: <meta>
465: <bib type="Book">
466: </bib>
467: </meta>
468: </resource>"""
469: dom=xml.dom.minidom.parseString(geturl)
470: else:
471: try:
472: geturl=""
473: for line in ECHO_helpers.urlopen(url).readlines():
474: geturl=geturl+line
475:
476:
477: except:
478: return (None,"Cannot open: "+url)
479:
480: try:
481: dom=xml.dom.minidom.parseString(geturl)
482: except:
483: return (None,"Cannot parse: "+url+"<br>"+geturl)
484:
485:
486:
487: metanodes=dom.getElementsByTagName('bib')
488:
489: if not metanodes:
490: metanodes=dom.getElementsByTagName('archimedes')
491:
492: metanode=metanodes[0]
493:
494: for metaData in metadict.keys():
495:
496: try:
497: nodeOld=metanode.getElementsByTagName(metaData)
498: except:
499: nodeOld=None
500:
501: if nodeOld:
502: metanode.removeChild(nodeOld[0]).unlink()
503: else:
504: # try also old writing rule - instead of _:
505: try:
506: nodeOld=metanode.getElementsByTagName(re.sub('_','-',metaData))
507: except:
508: nodeOld=None
509:
510: if nodeOld:
511: metanode.removeChild(nodeOld[0]).unlink()
512:
513: metanodeneu=dom.createElement(metaData)
514: metanodetext=dom.createTextNode(metadict[metaData])
515: #try:
516: #metanodetext=dom.createTextNode(unicode(metadict[metaData],"utf-8"))
517: #except:
518: #metanodetext=dom.createTextNode(metadict[metaData].encode('utf-8'))
519: metanodeneu.appendChild(metanodetext)
520: metanode.appendChild(metanodeneu)
521:
522:
523:
524:
525:
526: if project:
527: updateTextToolNode('project',project)
528:
529: if startpage:
530: updateTextToolNode('startpage',startpage)
531:
532: if topbar:
533: updateTextToolNode('toptemplate',topbar)
534:
535: if thumbtemplate:
536: updateTextToolNode('thumbtemplate',thumbtemplate)
537:
538: if xslt:
539: updateTextToolNode('xslt',xslt)
540:
541:
542: if digiliburlprefix:
543: updateTextToolNode('digiliburlprefix',digiliburlprefix)
544:
545: try:
546: return dom.toxml().encode('utf-8')
547: except:
548: return dom.toxml('utf-8')
549:
550:
551:
552: def readMetadata(url):
553: """Methode zum Auslesen der Metadateninformation zu einer Resource
554: Vorerst noch Typ bib"""
555:
556: metadict={}
557: try:
558: geturl=""
559: for line in ECHO_helpers.urlopen(url).readlines():
560: geturl=geturl+line
561:
562:
563: except:
564: return (None,"Cannot open: "+url)
565:
566: try:
567: dom=xml.dom.minidom.parseString(geturl)
568: except:
569: return (None,"Cannot parse: "+url+"<br>"+geturl)
570:
571: metanode=dom.getElementsByTagName('bib')
572: metadict['bib_type']='Book'
573: if len(metanode)==0:
574: metanode=dom.getElementsByTagName('archimedes')
575: metadict['bib_type']='Archimedes'
576:
577:
578: if not len(metanode)==0:
579: metacontent=metanode[0].childNodes
580:
581: try:
582: metadict['bib_type']=getText(dom.getElementsByTagName('bib')[0].attributes['type'].childNodes)
583: except:
584: """nothing"""
585:
586: for node in metacontent:
587: try:
588: #print urllib.unquote(getText(node.childNodes)),getText(node.childNodes)
589: metadict[re.sub('-','_',node.tagName.lower())]=urllib.unquote(getText(node.childNodes))
590: except:
591: """nothing"""
592:
593:
594: return metadict,""
595:
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