1: import re
2: import string
3: import socket
4: import urllib
5: import string
6: import xml.dom.minidom
7: import types
8: from Products.PageTemplates.PageTemplateFile import PageTemplateFile
9: from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate
10: from OFS.SimpleItem import SimpleItem
11: from Globals import package_home
12: import Globals
13: from AccessControl import ClassSecurityInfo
14: import os.path
15: from OFS.Folder import Folder
16: import ECHO_collection
17: import base64
18: import bz2
19: import xmlrpclib
20: import sys
21: import logging
22: import amara
23:
24: #erstzt logging
25: def logger(txt,method,txt2):
26: """logging"""
27: logging.info(txt+ txt2)
28:
29: 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','extVersionedFileFolder','ECHO_movie']
30:
31: def normalizeCt(str):
32: """normalizes content_type"""
33: #str= str.replace(" ","_")
34: return str.replace("-"," ").lower()
35:
36: #decode and compress for xmlrpc communication with OSAS_server
37:
38: def encodeRPC(string):
39: return base64.encodestring(bz2.compress(string))
40: def decodeRPC(string):
41: return bz2.decompress(base64.decodestring(string))
42:
43: def unicodify(s):
44: """decode str (utf-8 or latin-1 representation) into unicode object"""
45: if not s:
46: return u""
47: if isinstance(s, str):
48: try:
49: return s.decode('utf-8')
50: except:
51: return s.decode('latin-1')
52: else:
53: return s
54:
55: def utf8ify(s):
56: """encode unicode object or string into byte string in utf-8 representation.
57: assumes string objects to be utf-8"""
58: if not s:
59: return ""
60: if isinstance(s, str):
61: return s
62: else:
63: return s.encode('utf-8')
64:
65:
66: def content_html(self,type):
67: """template fuer content"""
68: #templates = self.ZopeFind(self.aq_parent,obj_ids=[type+"_template"])
69: #
70: #if templates:
71: # return templates[0][1]()
72:
73: if hasattr(self,type+"_template"):
74:
75: obj=getattr(self,type+"_template")
76: return obj()
77: else:
78: pt=PageTemplateFile(os.path.join(package_home(globals()),'zpt','ECHO_%s_template_standard.zpt'%type)).__of__(self)
79: pt.content_type="text/html"
80: return pt()
81:
82:
83:
84: class ECHO_basis:
85: """basis eigenschaften fuer echo objekte"""
86: security=ClassSecurityInfo()
87: security.declarePublic('getImageTag')
88:
89: management_page_charset="utf-8"
90: isVisible = True
91:
92: # Managment for the PID
93: def setPID(self,pid):
94: """set the pid"""
95: logging.debug(self.getId()+" PID set to "+pid)
96: self.pid=pid
97: return True
98:
99: def getPID(self):
100: """get the pid"""
101:
102: pid =getattr(self,'pid',None)
103:
104: if pid == self.getParentPID():
105: return None
106: else:
107: return pid
108:
109:
110: def getParentPID(self):
111: """get the PID of the parent"""
112: parent = self.aq_parent
113:
114: pidF = getattr(parent,'getPID',None)
115:
116: if pidF is None:
117: return None
118:
119: else:
120: return pidF()
121:
122: def unicodify(self, s):
123: """return unicode object for string (utf-8 or latin1) or unicode object s"""
124: return unicodify(s)
125:
126: # compatibility of old decode method
127: decode = unicodify
128:
129:
130: def utf8ify(self, s):
131: """return utf-8 encoded string object for string or unicode object s"""
132: return utf8ify(s)
133:
134:
135: def manage_addECHO_locale(self,lang,title,label,text=None,content_type=None,RESPONSE=None):
136: return ECHO_collection.manage_addECHO_locale(self,lang,title,label)
137:
138: def getImageTag(self):
139: """sollte uerberschrieben werden, falls von der Klasse eine imagetag zurueckkommt"""
140:
141: return ""
142:
143: def showRDF(self):
144: """showrdf"""
145: self.REQUEST.RESPONSE.setHeader('Content-Type','text/xml')
146: 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#"
147: xmlns:MPIWG="http://www.mpiwg-berlin.mpg.de/ns/mpiwg">\n"""
148:
149: ret+=self.getRDF(urn="echo:collectionroot")+"\n"
150:
151:
152: ret+="""</rdf:rdf>"""
153: return ret
154:
155:
156: def RDF(self):
157: """showrdf"""
158: self.REQUEST.RESPONSE.setHeader('Content-Type','text/xml')
159: 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"""
160:
161: ret+=self.getRDF(urn=self.absolute_url())+"\n"
162:
163:
164: ret+="""</rdf:rdf>"""
165: return ret
166:
167:
168: def createSubElementRDF(self,urn=None):
169: """rdf list"""
170: if not urn:
171: urn=self.absolute_url()
172: ret=""
173:
174: rettemp="""<rdf:Seq rdf:about="%s">\n"""%urn
175: flag=0
176:
177: li="""<rdf:li rdf:resource="%s" />\n"""
178: if not ('<error>' in self.getFullTextXML(noredirect='Yes')):
179: nurn=self.absolute_url()+'/getFullTextXML'
180: rettemp+=li%nurn
181: flag=1
182: if not ('<error>' in self.getImageView(noredirect='Yes')):
183: nurn=self.absolute_url()+'/getImageView'
184: rettemp+=li%nurn
185: flag=1
186:
187:
188: if not ('<error>' in self.showMetaDataXML()):
189: nurn=self.absolute_url()+'/showMetaDataXML'
190: rettemp+=li%nurn
191: flag=1
192:
193: rettemp+="</rdf:Seq>"
194:
195: if flag==1:
196: ret+=rettemp
197:
198: if not ('<error>' in self.getFullTextXML(noredirect='Yes')):
199: nurn=self.absolute_url()+'/getFullTextXML'
200: ret+=getRDFDescription(self,self.absolute_url()+'/getFullTextXML',urn=nurn,nameDef="Fulltext",typeName="ECHO_fulltext")
201:
202: if not ('<error>' in self.getImageView(noredirect='Yes')):
203: nurn=self.absolute_url()+'/getImageView'
204: ret+=getRDFDescription(self,self.absolute_url()+'/getImageView',urn=nurn,nameDef="Image View",typeName="ECHO_imageview")
205:
206: if not ('<error>' in self.showMetaDataXML()):
207: nurn=self.absolute_url()+'/showMetaDataXML'
208: ret+=getRDFDescription(self,self.absolute_url()+'/showMetaDataXML',urn=nurn,nameDef="Metadata",typeName="ECHO_metaData")
209:
210:
211: return ret
212: def content_html_XMLRpc(self):
213: """xml_rpc_version"""
214: return encodeRPC(self.content_html())
215:
216: def content_html(self,type="collection"):
217: """template fuer content bei einbau und ECHO_Umgebung"""
218:
219: return content_html(self,type)
220:
221: def getIsVisible(self):
222: """return if object and all parents are visible"""
223:
224: # if object is not visible return False
225: if hasattr(self,'isVisible'):
226: if not self.isVisible : return False
227:
228: # else if parent of object is not ECHO_root, ECHO_basis or None
229: if not self.aq_parent.meta_type in ['ECHO_root','ECHO_basis',None] :
230: return self.aq_parent.getIsVisible()
231:
232: # else return True
233: return True
234:
235: def setIsVisible(self, isVisible):
236: """ set object attribute isVisible"""
237: self.isVisible = isVisible
238:
239: def getAttributeIsVisible(self):
240: """ return object attribute isVisible"""
241: if hasattr(self,'isVisible'):
242: return self.isVisible
243: return True
244:
245: def getDescription(self):
246: """get content of description field"""
247:
248:
249: return self.unicodify(getattr(self,'description',''));
250:
251: def getTitle(self):
252: """title"""
253: if hasattr(self,'getLanguage'):
254: lang=self.getLanguage()
255: else:
256: lang=None
257:
258: locale=None
259: if lang and not (lang =="de"):
260: locale=self.ZopeFind(self,obj_ids=["locale_"+lang])
261:
262: if locale:
263: return self.decode(locale[0][1].title)
264: else:
265: try:
266: return self.decode(self.title)
267: except:
268: return self.title
269:
270: def getLabel(self):
271: """title"""
272: if hasattr(self,'getLanguage'):
273: lang=self.getLanguage()
274: else:
275: lang=None
276:
277: locale=None
278:
279: if lang and not (lang=="de"):
280: locale=self.ZopeFind(self,obj_ids=["locale_"+lang])
281:
282: if locale:
283: return self.decode(locale[0][1].label)
284:
285:
286: if not hasattr(self,'label'):
287: self.label=""
288:
289: if self.label=="":
290: ret=self.getTitle()
291: if ret=="":
292: ret=self.getId()
293: return ret
294:
295: return self.decode(self.label)
296:
297: def changeECHOEntriesForm(self):
298: """change Entries for the ECHO Navigation environment"""
299: pt=PageTemplateFile(os.path.join(package_home(globals()),'zpt','changeECHOEntriesForm')).__of__(self)
300: return pt()
301:
302: def changeECHOEntries(self,label,weight,description,queryString,RESPONSE=None):
303: """change Entries for the ECHO Navigation environment
304: @param label: label fuer die Navigation"""
305: self.label=label
306: self.weight=weight
307: self.description=description
308: self.queryString=queryString
309:
310: if RESPONSE:
311: RESPONSE.redirect("manage_main")
312:
313: manage_options=({'label':'change ECHO Navigation Entries','action':'changeECHOEntriesForm'},)
314:
315:
316: def hasOverview(self):
317: """returns if there is an overview graphics"""
318: return hasattr(self, 'overview')
319:
320: def hasParentOverview(self):
321: """returns if the parent has an overview graphics"""
322: return hasattr(self.aq_parent, 'overview')
323:
324: def getOverview(self):
325: """map overview graphics"""
326: #return self.aq_parent.ZopeFind(self.aq_parent,obj_ids=['overview'])[0][1]
327: if self.hasOverview():
328: return getattr(self, 'overview')
329: return None
330:
331: def getMapAreas(self):
332: """returns the list of MapAreas"""
333: forcetypes = self.REQUEST.get('map_force_types', None)
334: if forcetypes:
335: typelist = forcetypes.split(',')
336: else:
337: typelist = None
338: areas = []
339: # get all contained MapAreas
340: for res in self.ZopeFind(self, obj_metatypes=('MapArea')):
341: area = res[1]
342: # check the allowed types
343: if typelist is not None and area.getType() not in typelist:
344: continue
345: areas.append(area)
346: return areas
347:
348: def addMapArea(self, newarea):
349: """add a map area to this object"""
350: if (newarea.id is None):
351: # create new id
352: ids = [a.id for a in self.getMapAreas()]
353: i = len(ids)
354: while ("a%02d"%i in ids):
355: # if it exists, try the next one
356: i += 1
357: newarea.id = "a%02d"%i
358: self._setObject(newarea.id, newarea)
359:
360: def getMapText(self):
361: """returns the MapText"""
362: # get (the first) contained MapText
363: #lang="en"
364: lang=self.getLanguage()
365: res=None
366: if lang and not (lang=="de"):
367: resTmp = self.ZopeFind(self, obj_metatypes=('ECHO_mapText'))
368: res = self.ZopeFind(resTmp[0][1])
369:
370: if not res:
371: res = self.ZopeFind(self, obj_metatypes=('ECHO_mapText'))
372: if len(res) > 0:
373: text = res[0][1]
374: return text
375: return None
376:
377: def ECHO_graphicEntry(self):
378: """change map coordinates"""
379: if self.hasParentOverview():
380: pt=zptFile(self, 'zpt/ECHO_draw.zpt')
381: return pt()
382: else:
383: return "NO OVERVIEW GRAPHICS"
384:
385: def ECHO_addCoords(self,RESPONSE=None):
386: """change or add MapArea"""
387: #return self.REQUEST
388: # change existing areas
389: for area in self.getMapAreas():
390: id = area.getId()
391: if self.REQUEST.has_key('del.'+id):
392: # delete this area
393: self._delObject(id)
394: # return to same menu
395: if RESPONSE is not None:
396: RESPONSE.redirect('ECHO_graphicEntry')
397: return
398: # modify this area
399: coordstring = self.REQUEST.get('coords.'+id, '')
400: coords = string.split(coordstring, ',')
401: angle = self.REQUEST.get('angle.'+id, '0')
402: type = self.REQUEST.get('type.'+id, 'area')
403: permanent = self.REQUEST.get('permanent.'+id, '')
404: if len(coords) == 4:
405: area.setCoordString(coordstring)
406: area.setAngle(angle)
407: area.setType(type)
408: area.setPermanent(permanent)
409: # add the "new" area
410: if self.REQUEST.has_key('add'):
411: coordstring = self.REQUEST.get('coords.new', '')
412: coords = string.split(coordstring, ',')
413: angle = self.REQUEST.get('angle.new', '0')
414: type = self.REQUEST.get('type.new', 'area')
415: permanent = self.REQUEST.get('permanent.new', '')
416: if len(coords) == 4:
417: coords.append(angle)
418: area = MapArea(None, coords, type=type, permanent=permanent)
419: self.addMapArea(area)
420: # return to edit area menu
421: if RESPONSE is not None:
422: RESPONSE.redirect('ECHO_graphicEntry')
423:
424: def createJSAreas(self, areas):
425: """create area calls for JavaScript"""
426: forceperm = self.REQUEST.get('map_force_permanent', None)
427: js="\n"
428: for ob in areas:
429: # check for force-permanent
430: if forceperm is not None:
431: perm = forceperm
432: else:
433: perm = ob.isPermanent()
434: js+="""addArea('%s', 'overview', %s, '%s', '%s');\n"""%(ob.getFullId(),ob.getCoordString(),ob.getType(),perm)
435: return js
436:
437: def createMapHead(self,mapColTypes=None):
438: """create javascript include and script tags for head"""
439: pt=zptFile(self, 'zpt/ECHO_content_map_frag_js')
440: return pt(mapColTypes=mapColTypes)
441:
442: def createMapImg(self):
443: """generate img-tag for map"""
444: bt = BrowserCheck(self)
445: tag = ""
446: src = self.getOverview().absolute_url()
447: if bt.isN4:
448: # N4 needs ilayer to create an id
449: tag += '<ilayer id="overview" visibility="show"><img src="%s"></ilayer>'%src
450: else:
451: # img with id
452: tag += '<img id="overview" src="%s" />'%src
453: return tag
454:
455: def createParentMapImg(self):
456: """generate img-tag for map of parent"""
457: return self.aq_parent.createMapImg()
458:
459: def createMapLink(self, ob, text=None, target="_blank"):
460: """generate map link"""
461: bt = BrowserCheck(self)
462: id = ob.getFullId()
463: url = ob.getTargetUrl()
464: if url == "":
465: # ECHOResource with empty link -> no link
466: href = 'href="#" onclick="return false;"'
467: else:
468: href = 'href="%s"'%ob.getLinkId()
469:
470: if target is None:
471: targetattr = ""
472: else:
473: targetattr = 'target="%s"'%target
474:
475: if text is None:
476: text = ob.getLabel()
477:
478: if text is None:
479: text = "link"
480:
481: tiptext = ob.getTip()
482: tag = ""
483: if bt.isN4:
484: # N4 needs layer for highlighting
485: tag += '<ilayer id="a.%s"><a class="maplink" onmouseover="highlightPair(\'%s\', true)" onmouseout="highlightPair(\'%s\', false)" %s %s'%(id,id,id,href,targetattr)
486: tag += ">" + text + "</a></ilayer>"
487: else:
488: # a-element
489: tag = '<a id="a.%s" class="maplink" onmouseover="highlightPair(\'%s\', true)" onmouseout="highlightPair(\'%s\', false)" %s %s'%(id,id,id,href,targetattr)
490: if tiptext:
491: tag += ' title="%s"'%tiptext
492: tag += ">" + text + "</a>"
493: return tag
494:
495: def createMapAux(self, ob, arrowsrc="http://nausikaa2.rz-berlin.mpg.de/digitallibrary/servlet/Scaler/?dw=15&fn=icons/pfeil", circlesrc="http://nausikaa2.rz-berlin.mpg.de/digitallibrary/servlet/Scaler/?dw=15&fn=icons/kreis", target="_blank",backLink=None,alternativArrowsrc="http://nausikaa2.rz-berlin.mpg.de/digitallibrary/servlet/Scaler/?dw=15&fn=icons/pfeil_blau"):
496: """generate map link image, text and other stuff"""
497: bt = BrowserCheck(self)
498: id = ob.getFullId()
499: link = ob.getLinkId()
500: url = ob.getTargetUrl()
501: if url == "":
502: # ECHOResource with empty link -> no link
503: href = 'href="#" onclick="return false;"'
504: else:
505: href = 'href="%s"'%ob.getLinkId()
506:
507: if target is None:
508: targetattr = ""
509: else:
510: targetattr = 'target="%s"'%target
511: tiptext = ob.getTip()
512: tag = ""
513:
514: if bt.isN4:
515: #
516: # N4 needs layer and img elements
517: #
518: tag += '<layer id="i.%s" onmouseover="highlightPair(\'%s\', true)" onmouseout="highlightPair(\'%s\', false)">'%(id,id,id)
519: if ob.isTypeArrow():
520: # N4 - Arrow
521: rot = ob.angle
522:
523: if hasattr(getattr(self,link),'link'):
524: cLink=getattr(self,link).link
525: # if existing delete virtuell path
526: cLink=cLink.replace('/'.join(self.REQUEST['VirtualRootPhysicalPath']),'')
527:
528: if backLink and hasattr(getattr(self,link),'link') and backLink==self.REQUEST['SERVER_URL']+cLink.lstrip():
529: marksrc=alternativArrowsrc
530: else:
531: marksrc = arrowsrc
532:
533:
534: if float(rot) < 0:
535: marksrc = circlesrc
536: tag += '<a %s><img border="0" src="%s&rot=%s" /></a>'%(href,marksrc,rot)
537: elif ob.isTypeText():
538: # N4 - Text
539: tag += '<div id="t.%s" class="maptext"'%(id)
540: tag += 'style="visibility:hidden">'
541: tag += ob.getText()
542: tag += '</div>'
543: else:
544: # N4 - Area
545: tag += '<a %s><img border="0" width="1000" height="1000" src="trans_img"'%(href)
546: if tiptext:
547: tag += ' alt="%s"'%tiptext
548: tag += ' /></a>'
549: tag += '</layer>'
550: else:
551: #
552: # (more or less) DOM capable browser
553: #
554: tag = '<a id="b.%s" class="mapmarklink" onmouseover="highlightPair(\'%s\', true)" onmouseout="highlightPair(\'%s\', false)" %s %s>'%(id,id,id,href,targetattr)
555: if ob.isTypeArrow():
556: # DOM - Arrow
557: rot = ob.angle
558:
559: if hasattr(getattr(self,link),'link'):
560: cLink=getattr(self,link).link
561: # if existing delete virtuell path
562: if hasattr(self.REQUEST,'VirtualRootPhysicalPath'):
563: cLink=cLink.replace('/'.join(self.REQUEST['VirtualRootPhysicalPath']),'')
564:
565: if backLink and hasattr(getattr(self,link),'link') and backLink==self.REQUEST['SERVER_URL']+cLink.lstrip():
566: marksrc=alternativArrowsrc
567: else:
568: marksrc = arrowsrc
569:
570: try:
571: rot=float(rot)
572: except:
573: rot=0
574:
575: if float(rot) < 0:
576: marksrc = circlesrc
577: if bt.isIEWin and bt.versIE > 5:
578: # IE/Win 5.5 has "feature" for PNG transparency
579: tag += '<span id="i.%s" style="position:absolute; top:-100px; left:-100px; border-style:none; border-width=1px; filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'%s&rot=%s\');"><img style="visibility:hidden" src="%s&rot=%s" /></span>'%(id,marksrc,rot,marksrc,rot)
580: else:
581: # arrow image
582: tag += '<img id="i.%s" src="%s&rot=%s" border="1" style="position:absolute; top:-100px; left:-100px; border-style:none;" />'%(id,marksrc,rot)
583: elif ob.isTypeText():
584: # DOM - Text
585: tag += '<div id="i.%s" style="position:absolute; top:-100px; left:-100px;"'%(id)
586: tag += '><div id="t.%s" class="maptext"'%(id)
587: tag += 'style="visibility:hidden">'
588: tag += ob.getText()
589: tag += '</div></div>'
590: else:
591: # DOM - Area
592: if bt.isIE:
593: # IE needs transparent img for area
594: tag += '<img id="i.%s" border="0" style="position:absolute; top:-100px; left:-100px;" src="trans_img"'%(id)
595: if tiptext:
596: tag += ' title="%s"'%tiptext
597: tag += " />"
598: else:
599: # empty div for area
600: tag += '<div id="i.%s" style="position:absolute; top:-100px; left:-100px;"'%(id)
601: if tiptext:
602: tag += ' title="%s"'%tiptext
603: tag += '> </div>'
604: tag += '</a>'
605: return tag
606:
607:
608: #ende der echo erweiterungen
609:
610:
611: def toList(field):
612: """Einzelfeld in Liste umwandeln"""
613: if type(field)==types.StringType:
614: return [field]
615: else:
616: return field
617:
618: def getText(nodelist):
619: rc = ""
620: for node in nodelist:
621: if node.nodeType == node.TEXT_NODE:
622: rc = rc + node.data
623: return rc
624:
625: def getTextFromNode(nodename):
626: nodelist=nodename.childNodes
627: rc = ""
628: for node in nodelist:
629: if node.nodeType == node.TEXT_NODE:
630: rc = rc + node.data
631: return rc
632:
633:
634: def readFieldFromXML(meta_url,parent,field):
635: """lesespezifisches metadatum"""
636:
637: try:
638: dom=xml.dom.minidom.parse(meta_url)
639:
640: except:
641: try:
642: fh=urllib.urlopen(meta_url)
643: dom=xml.dom.minidom.parse(fh)
644: except:
645: return None
646: if not dom: return None
647:
648: parent=dom.getElementsByTagName(parent)
649: if not parent: return None
650:
651: field=parent[0].getElementsByTagName(field)
652:
653: if not field: return None
654:
655: return getText(field[0].childNodes)
656:
657: def readFieldFromXML_xpath(meta_url,xpath):
658: """xpath auf meta_url"""
659: #logging.debug("try to parse:"+meta_url)
660: #logging.debug("Xtry to parse xpath:"+xpath)
661: doc = amara.parse(meta_url)
662: #logging.debug("have:"+doc.xml())
663: node= doc.xml_xpath(xpath)
664: if node is None:
665: return None
666:
667: return unicode(node[0])
668:
669: def urlopen(url):
670: """urlopen mit timeout"""
671: socket.setdefaulttimeout(10)
672: ret=urllib.urlopen(url)
673: socket.setdefaulttimeout(5)
674: return ret
675: # urlopener = urllib.URLopener()
676: #
677: # try:
678: # con = urlopener.open(url)
679: # return con
680: # except timeoutsocket.Timeout:
681: # return None
682:
683:
684:
685:
686:
687: def checkOnlyOneInGroup(object):
688: """check if object is a group and if it containt only one element it return this element"""
689: displayedObjects=object.ZopeFind(object,obj_metatypes=displayTypes)
690: if len(displayedObjects)==1: # nur ein Object dann redirect auf dieses Object
691:
692: return displayedObjects[0][1]
693: else: return object
694:
695:
696: def getSubCols(self, sortfield=None,
697: subColTypes=displayTypes,
698: sortFieldMD=None,
699: searchMD=None,
700: searchMD_modus='search',
701: searchSimple=None,
702: generic="yes",search_sub=0,
703: isVisible=True):
704:
705: def sort(x,y):
706: try:
707: if type(x[0])==type(y[0]):
708: return cmp(x[0],y[0])
709: else:
710: if type(x[0])==types.StringType:
711: tmpX=unicodify(x[0])
712: tmpY=y[0]
713: else:
714: tmpY=unicodify(y[0])
715: tmpX=x[0]
716: return cmp(tmpX,tmpY)
717:
718: except:
719: logging.error("Error at ECHO_helpers.sort:AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA")
720: logging.error(" : %s %s"%sys.exc_info()[0:2])
721: logging.error("Error at ECHO_helpers.sort:"+repr(x)+"--"+repr(type(x[0])))
722: logging.error("Error at ECHO_helpers.sort:"+repr(y)+"--"+repr(type(y[0])))
723: logging.error("Error at ECHO_helpers.sort:BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB")
724: return 0
725: def sortfnc(sortfield,x,y):
726: try:
727: xa=x[1].getMDValue(sortfield,generic=generic)
728: except:
729: xa=""
730: try:
731: ya=y[1].getMDValue(sortfield,generic=generic)
732: except:
733: ya=""
734: return cmp(xa,ya)
735:
736: sortWithMD = lambda sortfield : (lambda x,y : sortfnc(sortfield,x,y))
737: ids=[]
738: displayedObjects=self.ZopeFind(self,obj_metatypes=subColTypes,search_sub=search_sub)
739:
740: if searchSimple and (not (searchSimple==""))and hasattr(self,'resourceCatalog'):
741: searchString=" AND ".join(searchSimple.split())
742: ids=[x.getObject() for x in self.resourceCatalog({'getMDValueSimpleSearchField':searchString,'getIsVisible':True})]
743: else:
744: for entry in displayedObjects:
745: object=entry[1]
746: if searchMD:
747: if hasattr(object,'getMDValue'):
748: flag=0
749: for field in searchMD.keys():
750: #if object.getMDValue(field,generic=generic)==searchMD[field]:
751: #if re.match(searchMD[field],object.getMDValue(field,generic=generic)):
752: if searchMD_modus=='match':
753: searchResult=re.match(searchMD[field],object.getMDValue(field,generic=generic))
754: else:
755: searchResult=re.search(searchMD[field],object.getMDValue(field,generic=generic))
756: if searchResult:
757: flag=1
758: else:
759: flag=0
760: break
761: if flag==1:
762: ids.append(object)
763: else:
764: ids.append(object)
765: if not sortfield:
766: sortfield=getattr(self,'sortfield','weight')
767: tmplist=[]
768: for x in ids:
769: if hasattr(x,sortfield):
770: try:
771: tmp=int(getattr(x,sortfield))
772: except:
773: tmp=getattr(x,sortfield)
774:
775: else:
776: tmp=10000000
777:
778: tmplist.append((tmp,x))
779:
780: if not sortFieldMD:
781: tmplist.sort(sort)
782: else:
783: tmplist.sort(sortWithMD(sortFieldMD))
784:
785: ret=[x for (key,x) in tmplist]
786:
787: return ret
788:
789: def ECHO_rerenderLinksMD(self,obj=None,types=['title','label']):
790: """Rerender all Links"""
791: ret=""
792:
793: if not obj:
794: obj = self
795:
796: entries=obj.ZopeFind(obj,obj_metatypes=['ECHO_resource'],search_sub=1)
797:
798: for entry in entries:
799: if entry[1].meta_type == 'ECHO_resource':
800: try:
801: entry[1].ECHO_getResourceMD(template="no",overwrite="yes")
802: if "title" in types:
803: entry[1].generate_title()
804: if "label" in types:
805: entry[1].generate_label()
806: ret+="OK:"+entry[0]+"-- "+entry[1].getTitle().decode('utf-8')+"-- "+entry[1].getTitle().decode('utf-8')+"<br>"
807: except:
808: ret+="Error:"+entry[0]+"<br>"
809:
810:
811:
812:
813: return "<html><body>"+ret+"Rerenderd all links to resources in: "+self.title+"</html></body>"
814:
815: def reloadMetaDataFromStorage(self,RESPONSE=None):
816: """copy metadata from the storage to ECHO"""
817: ret=""
818: resources=self.ZopeFind(self,obj_metatypes=['ECHO_resource'],search_sub=1)
819: if RESPONSE is not None:
820: RESPONSE.setHeader("Content-Type", type)
821: RESPONSE.write("<html><body>\n")
822:
823: for resource in resources:
824: x=str(resource[1].copyIndex_meta2echo_resource())+"<br>"
825: if RESPONSE is not None:
826: RESPONSE.write(x+"\n")
827:
828: ret+=x
829:
830: if RESPONSE is not None:
831: #RESPONSE.redirect('./manage_main')
832: RESPONSE.write( "</html></body>")
833:
834: return ret
835:
836: def getRDFDescription(self,linkURL,urn=None,nameDef=None,typeName=None,ap=""):
837: """rdf"""
838:
839: ret=""
840: about="""<rdf:Description rdf:about="%s">"""
841: name="""<echonavigation:name>%s</echonavigation:name>"""
842: link="""<echonavigation:link xlink:href="%s">%s</echonavigation:link>"""
843: clickable="""<echonavigation:linkClickable>%s</echonavigation:linkClickable>"""
844: #link="""<echonavigation:link rdf:about="%s"/>"""
845: type="""<echonavigation:type>%s</echonavigation:type>"""
846:
847: #xlink="""<echonavigation:xlink xlink:href="%s"/>"""
848:
849: if ap=="":
850: ap2=""
851: else:
852: ap2 = """<mpiwg:archive-path>%s</mpiwg:archive-path>"""%ap
853:
854: if not urn:
855: #urn="urn:"+re.sub('/',':',self.absolute_url())
856: urn=self.absolute_url()
857: about2=about%urn
858: if not nameDef:
859: if hasattr(self,'label') and not (self.label==""):
860: name2=name%self.label
861: elif not self.title=="":
862: name2=name%self.title
863: else:
864: name2=name%self.getId()
865:
866: name2=re.sub('&','&',name2)
867: else:
868: name2=name%nameDef
869:
870: linkURL=re.sub('http:','',linkURL)
871: linkURL2=re.sub('&','&',linkURL)
872: link2=link%(("http:"+linkURL2),("http:"+urllib.quote(linkURL)))
873: clickable2=clickable%"true"
874:
875: if not typeName:
876: type2=type%self.meta_type
877: else:
878: type2=type%typeName
879:
880:
881:
882: #ret=about2+"\n"+name2+"\n"+link2+"\n"+type2+"\n"+clickable2+"\n</rdf:Description>"
883: try:
884: ret=about2+"\n"+name2+"\n"+type2+"\n"+clickable2+"\n"+ap2+"\n</rdf:Description>"
885: except:
886: ret=self.unicodify(about2)+"\n"+self.unicodify(name2)+"\n"+self.unicodify(type2)+"\n"+self.unicodify(clickable2)+"\n"+self.unicodify(ap2)+"\n</rdf:Description>"
887:
888: return ret
889:
890: def getCopyrightsFromForm(self,argv):
891: medias={}
892: partners={}
893: copyrights={}
894:
895: copyrightsFinal=[]
896: for arg in argv.keys():
897:
898: if arg[0:5]=='media':
899: nm=int(arg[5:])
900: medias[nm]=argv[arg]
901: elif arg[0:5]=='partn':
902: nm=int(arg[5:])
903: partners[nm]=argv[arg]
904: elif arg[0:5]=='copyr':
905: nm=int(arg[5:])
906: copyrights[nm]=argv[arg]
907:
908:
909:
910: copyrightsList=[(medias[nm],partners[nm],copyrights[nm]) for nm in medias.keys()]
911: for copyright in copyrightsList:
912:
913: if copyright[2]=='institution0000':
914: copyrightsFinal.append((copyright[0],copyright[1],self.getPartnerCopyright(copyright[1],'')))
915: else:
916: if not copyright[0]=='':
917: copyrightsFinal.append(copyright)
918:
919:
920: return copyrightsFinal
921:
922: #List of different types for the graphical linking viewer
923: viewClassificationListMaster=['view point','area']
924:
925:
926: def checkDiffs(self,metadict):
927: """check differences"""
928:
929:
930:
931:
932: def NoneToEmpty(obj):
933: if obj:
934: return obj
935: else:
936: return ""
937:
938:
939:
940: diffs={}
941:
942: tags=self.findTagsFromMapping(self.contentType)
943: self.referencetypes=tags[2]
944: self.fields=tags[3]
945:
946:
947: for field in tags[1]:
948: try:
949: if (NoneToEmpty(self.getMDValue(self.getFieldTag(tags,field)))==metadict[self.getFieldTag(tags,field)]):
950: diffs[self.getFieldTag(tags,field)]=1
951: else:
952:
953: diffs[self.getFieldTag(tags,field)]=0
954: except:
955: diffs[self.getFieldTag(tags,field)]=0
956:
957: return diffs
958:
959:
960: def zptFile(self, path, orphaned=False):
961: """returns a page template file from the product"""
962: if orphaned:
963: # unusual case
964: pt=PageTemplateFile(os.path.join(package_home(globals()), path))
965: else:
966:
967: pt=PageTemplateFile(os.path.join(package_home(globals()), path)).__of__(self)
968: return pt
969:
970:
971: def findObjectPath(startobject, filename):
972: """returns the object with the name filename starting at startobject"""
973: if startobject is None:
974: return None
975: paths = filename.split('/')
976: object = startobject
977: for path in paths:
978:
979: if hasattr(object, path):
980: object = getattr(object, path)
981: else:
982: object = None
983: break
984: return object
985:
986:
987: def zptObjectOrFile(self, filename, localdir='zpt', orphaned=False):
988: """returns a page template instance or a file from the product"""
989: # look for an object called path
990: pt = findObjectPath(self, filename)
991: # the object should also not be a python function
992: if (pt is None) or isinstance(pt, types.FunctionType):
993: # get a ZPT file
994: pt = zptFile(self, localdir+'/'+filename, orphaned=orphaned)
995: return pt
996:
997:
998: def sendFile(self, filename, type):
999: """sends an object or a local file (in the product) as response"""
1000: # look for an object called filename
1001: object = findObjectPath(self, filename)
1002: if object:
1003: # if the object exists then send it
1004: return object.index_html(self.REQUEST.REQUEST, self.REQUEST.RESPONSE)
1005: else:
1006: # send a local file with the given content-type
1007: fn = os.path.join(package_home(globals()), filename)
1008: self.REQUEST.RESPONSE.setHeader("Content-Type", type)
1009: self.REQUEST.RESPONSE.write(file(fn).read())
1010: return
1011:
1012:
1013: class BrowserCheck:
1014: """check the browsers request to find out the browser type"""
1015:
1016: def __init__(self, zope):
1017: """initialisiere"""
1018: self.ua = zope.REQUEST.get_header("HTTP_USER_AGENT")
1019: self.isN4 = False
1020: self.isIE = False
1021: if string.find(self.ua, 'MSIE') > -1:
1022: self.isIE = True
1023: else:
1024: self.isN4 = string.find(self.ua, 'Mozilla/4.') > -1
1025: try:
1026: self.nav = self.ua[string.find(self.ua, '('):]
1027: ie = string.split(self.nav, "; ")[1]
1028: if string.find(ie, "MSIE") > -1:
1029: self.versIE = string.split(ie, " ")[1]
1030: except: pass
1031: self.isMac = string.find(self.ua, 'Macintosh') > -1
1032: self.isWin = string.find(self.ua, 'Windows') > -1
1033: self.isIEWin = self.isIE and self.isWin
1034: self.isIEMac = self.isIE and self.isMac
1035:
1036:
1037: def writeMetadata(url,metadict,project=None,startpage=None,xslt=None,thumbtemplate=None,topbar=None,digiLibTemplate=None,xmlfrag=None,digiliburlprefix=None):
1038: """Einlesen der Metadaten und und erstellen des geaenderten XML file"""
1039:
1040: def updateTextToolNode(tag,value):
1041:
1042: metanode=dom.getElementsByTagName('texttool')[0]
1043: try:
1044: nodeOld=metanode.getElementsByTagName(tag)
1045: except:
1046: nodeOld=None
1047:
1048: if nodeOld:
1049: metanode.removeChild(nodeOld[0]).unlink()
1050:
1051: node=dom.createElement(tag)
1052: nodetext=dom.createTextNode(value)
1053: node.appendChild(nodetext)
1054: metanode.appendChild(node)
1055:
1056:
1057: if xmlfrag:
1058: geturl="""<?xml version="1.0" encoding="UTF-8" ?>
1059: <resource type="MPIWG">
1060: <meta>
1061: <bib type="Book">
1062: </bib>
1063: </meta>
1064: </resource>"""
1065: dom=xml.dom.minidom.parseString(geturl)
1066: else:
1067: try:
1068: geturl=""
1069: for line in urlopen(url).readlines():
1070: geturl=geturl+line
1071:
1072:
1073: except:
1074: logger("ECHO writeMetadata",logging.ERROR,"XCannot open: "+url)
1075: return (None,"XCannot open: "+url)
1076:
1077: try:
1078: dom=xml.dom.minidom.parseString(geturl)
1079: except:
1080: logger("ECHO writeMetadata",logging.ERROR,"Cannot parse: "+url+"<br>"+geturl)
1081: return (None,"Cannot parse: "+url+"<br>"+geturl)
1082:
1083:
1084:
1085: metanodes=dom.getElementsByTagName('bib')
1086:
1087: if not metanodes:
1088: metanodes=dom.getElementsByTagName('archimedes')
1089:
1090: metanode=metanodes[0]
1091:
1092: for metaData in metadict.keys():
1093: if metaData:
1094: try:
1095: nodeOld=metanode.getElementsByTagName(metaData)
1096: except:
1097: nodeOld=None
1098:
1099: if nodeOld:
1100: metanode.removeChild(nodeOld[0]).unlink()
1101: else:
1102: # try also old writing rule - instead of _:
1103: try:
1104: nodeOld=metanode.getElementsByTagName(re.sub('_','-',metaData))
1105: except:
1106: nodeOld=None
1107:
1108: if nodeOld:
1109: metanode.removeChild(nodeOld[0]).unlink()
1110:
1111:
1112: metanodeneu=dom.createElement(metaData)
1113: try:
1114: metanodetext=dom.createTextNode(metadict[metaData].decode('utf-8'))
1115: except:
1116: metanodetext=dom.createTextNode(metadict[metaData])
1117: #try:
1118:
1119: #metanodetext=dom.createTextNode(unicode(metadict[metaData],"utf-8"))
1120: #except:
1121: #metanodetext=dom.createTextNode(metadict[metaData].encode('utf-8'))
1122: metanodeneu.appendChild(metanodetext)
1123: metanode.appendChild(metanodeneu)
1124:
1125:
1126:
1127:
1128:
1129: if project:
1130: updateTextToolNode('project',project)
1131:
1132: if startpage:
1133: updateTextToolNode('startpage',startpage)
1134:
1135: if topbar:
1136: updateTextToolNode('toptemplate',topbar)
1137:
1138: if thumbtemplate:
1139: updateTextToolNode('thumbtemplate',thumbtemplate)
1140:
1141: if xslt:
1142: updateTextToolNode('xslt',xslt)
1143:
1144:
1145: if digiliburlprefix:
1146: updateTextToolNode('digiliburlprefix',digiliburlprefix)
1147:
1148: try:
1149:
1150: return dom.toxml(encoding='utf-8').encode('utf-8')
1151: except:
1152:
1153:
1154: return dom.toxml(encoding='utf-8')
1155:
1156: def readMetadata(url):
1157: """Methode zum Auslesen der Metadateninformation zu einer Resource
1158: Vorerst noch Typ bib"""
1159:
1160: metadict={}
1161:
1162: try:
1163: geturl=""
1164: for line in urlopen(url).readlines():
1165: geturl=geturl+line
1166:
1167:
1168: except:
1169: return (None,"Cannot open: "+url)
1170:
1171: try:
1172: dom=xml.dom.minidom.parseString(geturl)
1173: except:
1174: return (None,"Cannot parse: "+url+"<br>"+geturl)
1175:
1176: metanode=dom.getElementsByTagName('bib')
1177: metadict['bib_type']='Book'
1178: if len(metanode)==0:
1179: metanode=dom.getElementsByTagName('archimedes')
1180: metadict['bib_type']='Archimedes'
1181:
1182:
1183: if not len(metanode)==0:
1184: metacontent=metanode[0].childNodes
1185:
1186: try:
1187: metadict['bib_type']=getText(dom.getElementsByTagName('bib')[0].attributes['type'].childNodes)
1188: except:
1189: """nothing"""
1190:
1191: for node in metacontent:
1192: try:
1193: #print urllib.unquote(getText(node.childNodes)),getText(node.childNodes)
1194: #metadict[re.sub('-','_',node.tagName.lower())]=urllib.unquote(getText(node.childNodes))
1195: metadict[re.sub('-','_',node.tagName.lower())]=getText(node.childNodes)
1196:
1197: except:
1198: """nothing"""
1199:
1200: return (metadict,"")
1201:
1202:
1203: class MapArea(SimpleItem):
1204: """simple class to hold coordinates"""
1205:
1206: meta_type = 'MapArea'
1207: # Create a SecurityInfo for this class.
1208: security = ClassSecurityInfo()
1209: security.setDefaultAccess("allow")
1210: # type constants
1211: TYPE_AREA = 'area'
1212: TYPE_ARROW = 'arrow'
1213: TYPE_TEXT = 'text'
1214:
1215: def __init__(self, id, coords, label=None, type=None, tip=None, permanent=False):
1216: """init"""
1217: self.coords = coords[0:4]
1218: if len(coords) > 4:
1219: self.angle = coords[4]
1220: else:
1221: self.angle = 0
1222: self.id = id
1223: self.label = label
1224: self.setType(type)
1225: self.tip = tip
1226: self.permanent = permanent
1227:
1228: def setCoords(self, coords):
1229: """sets the coords"""
1230: self.coords = coords
1231:
1232: def getCoordString(self):
1233: """returns coordinates as a string"""
1234: return string.join(self.coords, ',')
1235:
1236: def setCoordString(self, coordstring):
1237: """sets coordinates from a string"""
1238: coords = string.split(coordstring, ',')
1239: self.coords = [c.strip() for c in coords]
1240:
1241: def getFullId(self, prefix=None):
1242: """returns the id with prefixed parent id"""
1243: if prefix is None:
1244: if hasattr(self, 'aq_parent'):
1245: prefix = self.aq_parent.id
1246: else:
1247: prefix = "id"
1248: fid = prefix + "." + self.id
1249: return fid
1250:
1251: def getType(self):
1252: """returns the type"""
1253: return self.type
1254:
1255: def setType(self, type):
1256: """sets the type"""
1257: if type == MapArea.TYPE_ARROW:
1258: self.type = MapArea.TYPE_ARROW
1259: elif type == MapArea.TYPE_AREA:
1260: self.type = MapArea.TYPE_AREA
1261: elif type == MapArea.TYPE_TEXT:
1262: self.type = MapArea.TYPE_TEXT
1263: else:
1264: self.type = MapArea.TYPE_AREA
1265:
1266: def isTypeArea(self):
1267: """returns if the type is area"""
1268: return self.type == MapArea.TYPE_AREA
1269:
1270: def isTypeArrow(self):
1271: """returns if the type is arrow"""
1272: return self.type == MapArea.TYPE_ARROW
1273:
1274: def isTypeText(self):
1275: """returns if the type is text"""
1276: return self.type == MapArea.TYPE_TEXT
1277:
1278: def getAngle(self):
1279: """returns the angle"""
1280: return self.angle
1281:
1282: def setAngle(self, angle):
1283: """sets the angle"""
1284: self.angle = angle
1285:
1286: def getTip(self):
1287: """returns the popup text"""
1288: # patch old version
1289: if not hasattr(self, 'tip'):
1290: self.tip = self.text
1291:
1292: if self.tip is None:
1293: if hasattr(self, 'aq_parent'):
1294: parent = self.aq_parent
1295: if parent.contentType == 'text-popup':
1296: return parent.description
1297: return self.tip
1298:
1299: def setTip(self, text):
1300: """sets the text"""
1301: self.tiptext = text
1302:
1303: def getText(self):
1304: """returns the text fpr the area"""
1305: if hasattr(self, 'aq_parent'):
1306: parent = self.aq_parent
1307: text = parent.getMapText()
1308: if text is not None:
1309: #return text.document_src()
1310: return text()
1311: return ""
1312:
1313: def getLabel(self):
1314: """returns the link label"""
1315: if self.label is None:
1316: if hasattr(self, 'aq_parent'):
1317: return self.aq_parent.label or self.aq_parent.id
1318: return self.label
1319:
1320: def getTargetUrl(self):
1321: """returns the URL of the linked object"""
1322: if hasattr(self, 'aq_parent'):
1323: p = self.aq_parent
1324: # ECHOResource and ECHOLink have 'link' attribute
1325: if hasattr(p, 'link'):
1326: if p.link is None:
1327: # return empty string for empty link
1328: return ""
1329: else:
1330: return p.link
1331:
1332: # return None for unknown type
1333: return None
1334:
1335: def setLabel(self, label):
1336: """sets the label"""
1337: self.label = label
1338:
1339: def isPermanent(self):
1340: """returns the permanent state"""
1341: # patch old objects
1342: if not hasattr(self, 'permanent'):
1343: self.permanent = False
1344: return self.permanent
1345:
1346: def setPermanent(self, state):
1347: """sets the permanent state"""
1348: if state:
1349: self.permanent = True
1350: else:
1351: self.permanent = False
1352:
1353: def getLinkId(self):
1354: if hasattr(self, 'aq_parent'):
1355: return self.aq_parent.id
1356: return self.id
1357:
1358: # call this to initialize framework classes, which
1359: # does the right thing with the security assertions.
1360: Globals.InitializeClass(MapArea)
1361:
1362:
1363: class MapText(Folder,ZopePageTemplate):
1364: """class to hold text for map areas"""
1365:
1366: meta_type = 'ECHO_mapText'
1367: # Create a SecurityInfo for this class.
1368: security = ClassSecurityInfo()
1369: security.setDefaultAccess("allow")
1370:
1371:
1372: _default_content_fn = os.path.join(package_home(globals()),
1373: 'html', 'ECHO_mapText_default.html')
1374:
1375: def __init__(self, id, text=None, content_type=None):
1376: self.id = str(id)
1377: self.ZBindings_edit(self._default_bindings)
1378: if text is None:
1379: text = open(self._default_content_fn).read()
1380: if content_type is None:
1381: content_type = self.content_type
1382: self.pt_edit(text, content_type)
1383:
1384: def createLocale(self):
1385: """create locale"""
1386: return ECHO_collection.manage_addECHO_localeForm(self)
1387:
1388: manage_main=ZopePageTemplate.pt_editForm
1389:
1390: def manage_addECHO_locale(self,lang,title,label,text=None,content_type=None,RESPONSE=None):
1391: """manage add echo locale in map"""
1392: ECHO_collection.manage_addECHO_locale(self,lang,title,label,text,content_type)
1393: if RESPONSE is not None:
1394: RESPONSE.redirect('manage_main')
1395:
1396:
1397: def changeLocale(self):
1398: """change locale"""
1399: return self.locale_en.change_ECHO_localeForm()
1400:
1401: def change_ECHO_locale(self,lang,title,label,text=None,content_type=None,RESPONSE=None):
1402: """change echo locale"""
1403:
1404: obj= self.locale_en.change_ECHO_locale(lang,title,label,text,content_type,RESPONSE)
1405:
1406:
1407:
1408: if RESPONSE is not None:
1409: RESPONSE.redirect('manage_main')
1410:
1411:
1412: # Product registration and Add support
1413: manage_addMapTextForm = PageTemplateFile(
1414: 'zpt/AddECHO_mapText', globals(), __name__='manage_addMapTextForm')
1415:
1416: def manage_addMapText(self, id, title=None, text=None,
1417: REQUEST=None, submit=None):
1418: "Add a Map Text with optional file content."
1419:
1420: id = str(id)
1421: if REQUEST is None:
1422: self._setObject(id, MapText(id, text))
1423: ob = getattr(self, id)
1424: if title:
1425: ob.pt_setTitle(title)
1426: return ob
1427: else:
1428: file = REQUEST.form.get('file')
1429: headers = getattr(file, 'headers', None)
1430: if headers is None or not file.filename:
1431: zpt = MapText(id, text)
1432: else:
1433: zpt = MapText(id, file, headers.get('content_type'))
1434:
1435: self._setObject(id, zpt)
1436: if title:
1437: ob = getattr(self, id)
1438: ob.pt_setTitle(title)
1439:
1440: try:
1441: u = self.DestinationURL()
1442: except AttributeError:
1443: u = REQUEST['URL1']
1444:
1445: if submit == " Add and Edit ":
1446: u = "%s/%s" % (u, urllib.quote(id))
1447: REQUEST.RESPONSE.redirect(u+'/manage_main')
1448: return ''
1449:
1450: # call this to initialize framework classes, which
1451: # does the right thing with the security assertions.
1452: Globals.InitializeClass(MapText)
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