File:  [Repository] / documentViewer / documentViewer.py
Revision 1.160: download - view: text, annotated - select for diffs - revision graph
Mon Dec 6 10:39:43 2010 UTC (13 years, 5 months ago) by abukhman
Branches: MAIN
CVS tags: HEAD
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    1: 
    2: from OFS.Folder import Folder
    3: from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate
    4: from Products.PageTemplates.PageTemplateFile import PageTemplateFile 
    5: from AccessControl import ClassSecurityInfo
    6: from AccessControl import getSecurityManager
    7: from Globals import package_home
    8: from Products.zogiLib.zogiLib import browserCheck
    9: 
   10: from Ft.Xml import EMPTY_NAMESPACE, Parse
   11: import Ft.Xml.Domlette
   12: import os.path
   13: import sys
   14: import urllib
   15: import urllib2
   16: import logging
   17: import math
   18: import urlparse 
   19: import cStringIO
   20: import re
   21: import string
   22: 
   23: def logger(txt,method,txt2):
   24:     """logging"""
   25:     logging.info(txt+ txt2)
   26:     
   27:     
   28: def getInt(number, default=0):
   29:     """returns always an int (0 in case of problems)"""
   30:     try:
   31:         return int(number)
   32:     except:
   33:         return int(default)
   34: 
   35: def getTextFromNode(nodename):
   36:     """get the cdata content of a node"""
   37:     if nodename is None:
   38:         return ""
   39:     nodelist=nodename.childNodes
   40:     rc = ""
   41:     for node in nodelist:
   42:         if node.nodeType == node.TEXT_NODE:
   43:            rc = rc + node.data
   44:     return rc
   45: 
   46: def serializeNode(node, encoding='utf-8'):
   47:     """returns a string containing node as XML"""
   48:     buf = cStringIO.StringIO()
   49:     Ft.Xml.Domlette.Print(node, stream=buf, encoding=encoding)
   50:     s = buf.getvalue()
   51:     buf.close()
   52:     return s
   53: 
   54: def browserCheck(self):
   55:     """check the browsers request to find out the browser type"""
   56:     bt = {}
   57:     ua = self.REQUEST.get_header("HTTP_USER_AGENT")
   58:     bt['ua'] = ua
   59:     bt['isIE'] = False
   60:     bt['isN4'] = False
   61:     if string.find(ua, 'MSIE') > -1:
   62:         bt['isIE'] = True
   63:     else:
   64:         bt['isN4'] = (string.find(ua, 'Mozilla/4.') > -1)
   65:         
   66:     try:
   67:         nav = ua[string.find(ua, '('):]
   68:         ie = string.split(nav, "; ")[1]
   69:         if string.find(ie, "MSIE") > -1:
   70:             bt['versIE'] = string.split(ie, " ")[1]
   71:     except: pass
   72:     
   73:     bt['isMac'] = string.find(ua, 'Macintosh') > -1
   74:     bt['isWin'] = string.find(ua, 'Windows') > -1
   75:     bt['isIEWin'] = bt['isIE'] and bt['isWin']
   76:     bt['isIEMac'] = bt['isIE'] and bt['isMac']
   77:     bt['staticHTML'] = False
   78: 
   79:     return bt
   80: 
   81:        
   82: def getParentDir(path):
   83:     """returns pathname shortened by one"""
   84:     return '/'.join(path.split('/')[0:-1])
   85:         
   86: 
   87: def getHttpData(url, data=None, num_tries=3, timeout=10):
   88:     """returns result from url+data HTTP request"""
   89:     # we do GET (by appending data to url)
   90:     if isinstance(data, str) or isinstance(data, unicode):
   91:         # if data is string then append
   92:         url = "%s?%s"%(url,data)
   93:     elif isinstance(data, dict) or isinstance(data, list) or isinstance(data, tuple):
   94:         # urlencode
   95:         url = "%s?%s"%(url,urllib.urlencode(data))
   96:     
   97:     response = None
   98:     errmsg = None
   99:     for cnt in range(num_tries):
  100:         try:
  101:             logging.debug("getHttpData(#%s %ss) url=%s"%(cnt+1,timeout,url))
  102:             if sys.version_info < (2, 6):
  103:                 # set timeout on socket -- ugly :-(
  104:                 import socket
  105:                 socket.setdefaulttimeout(float(timeout))
  106:                 response = urllib2.urlopen(url)
  107:             else:
  108:                 response = urllib2.urlopen(url,timeout=float(timeout))
  109:             # check result?
  110:             break
  111:         except urllib2.HTTPError, e:
  112:             logging.error("getHttpData: HTTP error(%s): %s"%(e.code,e))
  113:             errmsg = str(e)
  114:             # stop trying
  115:             break
  116:         except urllib2.URLError, e:
  117:             logging.error("getHttpData: URLLIB error(%s): %s"%(e.reason,e))
  118:             errmsg = str(e)
  119:             # stop trying
  120:             #break
  121: 
  122:     if response is not None:
  123:         data = response.read()
  124:         response.close()
  125:         return data
  126:     
  127:     raise IOError("ERROR fetching HTTP data from %s: %s"%(url,errmsg))
  128:     #return None
  129: 
  130: 
  131: 
  132: ##
  133: ## documentViewer class
  134: ##
  135: class documentViewer(Folder):
  136:     """document viewer"""
  137:     meta_type="Document viewer"
  138:     
  139:     security=ClassSecurityInfo()
  140:     manage_options=Folder.manage_options+(
  141:         {'label':'main config','action':'changeDocumentViewerForm'},
  142:         )
  143: 
  144:     # templates and forms
  145:     viewer_main = PageTemplateFile('zpt/viewer_main', globals())
  146:     toc_thumbs = PageTemplateFile('zpt/toc_thumbs', globals())
  147:     toc_text = PageTemplateFile('zpt/toc_text', globals())
  148:     toc_figures = PageTemplateFile('zpt/toc_figures', globals())
  149:     page_main_images = PageTemplateFile('zpt/page_main_images', globals())
  150:     page_main_text = PageTemplateFile('zpt/page_main_text', globals())
  151:     page_main_text_dict = PageTemplateFile('zpt/page_main_text_dict', globals())
  152:     page_main_gis =PageTemplateFile ('zpt/page_main_gis', globals())
  153:     page_main_xml = PageTemplateFile('zpt/page_main_xml', globals())
  154:     page_main_pureXml = PageTemplateFile('zpt/page_main_pureXml', globals())
  155:     head_main = PageTemplateFile('zpt/head_main', globals())
  156:     docuviewer_css = PageTemplateFile('css/docuviewer.css', globals())
  157:     info_xml = PageTemplateFile('zpt/info_xml', globals())
  158:     
  159:     
  160:     thumbs_main_rss = PageTemplateFile('zpt/thumbs_main_rss', globals())
  161:     security.declareProtected('View management screens','changeDocumentViewerForm')    
  162:     changeDocumentViewerForm = PageTemplateFile('zpt/changeDocumentViewer', globals())
  163: 
  164:     
  165:     def __init__(self,id,imageScalerUrl=None,textServerName=None,title="",digilibBaseUrl=None,thumbcols=2,thumbrows=5,authgroups="mpiwg"):
  166:         """init document viewer"""
  167:         self.id=id
  168:         self.title=title
  169:         self.thumbcols = thumbcols
  170:         self.thumbrows = thumbrows
  171:         # authgroups is list of authorized groups (delimited by ,)
  172:         self.authgroups = [s.strip().lower() for s in authgroups.split(',')]
  173:         # create template folder so we can always use template.something
  174:         
  175:         templateFolder = Folder('template')
  176:         #self['template'] = templateFolder # Zope-2.12 style
  177:         self._setObject('template',templateFolder) # old style
  178:         try:
  179:             import MpdlXmlTextServer
  180:             textServer = MpdlXmlTextServer.MpdlXmlTextServer(id='fulltextclient',serverName=textServerName)
  181:             #templateFolder['fulltextclient'] = xmlRpcClient
  182:             templateFolder._setObject('fulltextclient',textServer)
  183:         except Exception, e:
  184:             logging.error("Unable to create MpdlXmlTextServer for fulltextclient: "+str(e))
  185:         try:
  186:             from Products.zogiLib.zogiLib import zogiLib
  187:             zogilib = zogiLib(id="zogilib", title="zogilib for docuviewer", dlServerURL=imageScalerUrl, layout="book")
  188:             #templateFolder['zogilib'] = zogilib
  189:             templateFolder._setObject('zogilib',zogilib)
  190:         except Exception, e:
  191:             logging.error("Unable to create zogiLib for zogilib: "+str(e))
  192:         
  193:         
  194:     # proxy text server methods to fulltextclient
  195:     def getTextPage(self, **args):
  196:         """get page"""
  197:         return self.template.fulltextclient.getTextPage(**args)
  198: 
  199:     def getQuery(self, **args):
  200:         """get query"""
  201:         return self.template.fulltextclient.getQuery(**args)
  202:     
  203:     def getQueryResultHits(self, **args):
  204:         """get query"""
  205:         return self.template.fulltextclient.getQueryResultHits(**args)
  206:     
  207:     def getQueryResultHitsText(self, **args):
  208:         """get query"""
  209:         return self.template.fulltextclient.getQueryResultHitsText(**args)
  210:     
  211:     def getQueryResultHitsFigures(self, **args):
  212:         """get query"""
  213:         return self.template.fulltextclient.getQueryResultHitsFigures(**args)
  214:     
  215:     def getPDF(self, **args):
  216:         """get query"""
  217:         return self.template.fulltextclient.getPDF(**args)
  218: 
  219:     def getSearch(self, **args):
  220:         """get search"""
  221:         return self.template.fulltextclient.getSearch(**args)
  222:     
  223:     def getGisPlaces(self, **args):
  224:         """get gis places"""
  225:         return self.template.fulltextclient.getGisPlaces(**args)
  226:  
  227:     def getAllGisPlaces(self, **args):
  228:         """get all gis places """
  229:         return self.template.fulltextclient.getAllGisPlaces(**args)
  230:     
  231:     def getOrigPages(self, **args):
  232:         """get original page number """
  233:         return self.template.fulltextclient.getOrigPages(**args)
  234:     
  235:     def getAllPlaces(self, **args):
  236:         """get original page number """
  237:         return self.template.fulltextclient.getAllPlaces(**args)
  238:     
  239:     def getNumPages(self, docinfo):
  240:         """get numpages"""
  241:         return self.template.fulltextclient.getNumPages(docinfo)
  242:    
  243:     def getNumTextPages(self, docinfo):
  244:         """get numpages text"""
  245:         return self.template.fulltextclient.getNumTextPages(docinfo)
  246:    
  247:     def getTranslate(self, **args):
  248:         """get translate"""
  249:         return self.template.fulltextclient.getTranslate(**args)
  250: 
  251:     def getLemma(self, **args):
  252:         """get lemma"""
  253:         return self.template.fulltextclient.getLemma(**args)
  254: 
  255:     def getToc(self, **args):
  256:         """get toc"""
  257:         return self.template.fulltextclient.getToc(**args)
  258: 
  259:     def getTocPage(self, **args):
  260:         """get tocpage"""
  261:         return self.template.fulltextclient.getTocPage(**args)
  262: 
  263:     
  264:     security.declareProtected('View','thumbs_rss')
  265:     def thumbs_rss(self,mode,url,viewMode="auto",start=None,pn=1):
  266:         '''
  267:         view it
  268:         @param mode: defines how to access the document behind url 
  269:         @param url: url which contains display information
  270:         @param viewMode: if images display images, if text display text, default is images (text,images or auto)
  271:         
  272:         '''
  273:         logging.debug("HHHHHHHHHHHHHH:load the rss")
  274:         logger("documentViewer (index)", logging.INFO, "mode: %s url:%s start:%s pn:%s"%(mode,url,start,pn))
  275:         
  276:         if not hasattr(self, 'template'):
  277:             # create template folder if it doesn't exist
  278:             self.manage_addFolder('template')
  279:             
  280:         if not self.digilibBaseUrl:
  281:             self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"
  282:             
  283:         docinfo = self.getDocinfo(mode=mode,url=url)
  284:         #pageinfo = self.getPageinfo(start=start,current=pn,docinfo=docinfo)
  285:         pageinfo = self.getPageinfo(start=start,current=pn, docinfo=docinfo)
  286:         ''' ZDES '''
  287:         pt = getattr(self.template, 'thumbs_main_rss')
  288:         
  289:         if viewMode=="auto": # automodus gewaehlt
  290:             if docinfo.has_key("textURL") or docinfo.get('textURLPath',None): #texturl gesetzt und textViewer konfiguriert
  291:                 viewMode="text"
  292:             else:
  293:                 viewMode="images"
  294:                
  295:         return pt(docinfo=docinfo,pageinfo=pageinfo,viewMode=viewMode)
  296:   
  297:     security.declareProtected('View','index_html')
  298:     def index_html(self,url,mode="texttool",viewMode="auto",tocMode="thumbs",start=None,pn=1,mk=None):
  299:         '''
  300:         view it
  301:         @param mode: defines how to access the document behind url 
  302:         @param url: url which contains display information
  303:         @param viewMode: if images display images, if text display text, default is auto (text,images or auto)
  304:         @param tocMode: type of 'table of contents' for navigation (thumbs, text, figures, none)
  305:         @param characterNormalization type of text display (reg, norm, none)
  306:         @param querySearch: type of different search modes (fulltext, fulltextMorph, xpath, xquery, ftIndex, ftIndexMorph, fulltextMorphLemma)
  307:         '''
  308:         
  309:         logging.debug("documentViewer (index) mode: %s url:%s start:%s pn:%s"%(mode,url,start,pn))
  310:         
  311:         if not hasattr(self, 'template'):
  312:             # this won't work
  313:             logging.error("template folder missing!")
  314:             return "ERROR: template folder missing!"
  315:             
  316:         if not getattr(self, 'digilibBaseUrl', None):
  317:             self.digilibBaseUrl = self.findDigilibUrl() or "http://digilib.mpiwg-berlin.mpg.de/digitallibrary"
  318:             
  319:         docinfo = self.getDocinfo(mode=mode,url=url)
  320:         
  321:         if tocMode != "thumbs":
  322:             # get table of contents
  323:             docinfo = self.getToc(mode=tocMode, docinfo=docinfo)
  324:             
  325:         if viewMode=="auto": # automodus gewaehlt
  326:             if docinfo.has_key('textURL') or docinfo.get('textURLPath',None): #texturl gesetzt und textViewer konfiguriert
  327:                 viewMode="text_dict"
  328:             else:
  329:                 viewMode="images"
  330:                 
  331:         pageinfo = self.getPageinfo(start=start,current=pn, docinfo=docinfo,viewMode=viewMode,tocMode=tocMode)
  332:         
  333:         pt = getattr(self.template, 'viewer_main')               
  334:         return pt(docinfo=docinfo,pageinfo=pageinfo,viewMode=viewMode,mk=self.generateMarks(mk))
  335:   
  336:     def generateMarks(self,mk):
  337:         ret=""
  338:         if mk is None:
  339:             return ""
  340:         if not isinstance(mk, list):
  341:             mk=[mk]
  342:         for m in mk:
  343:             ret+="mk=%s"%m
  344:         return ret
  345:     
  346:     
  347:     def getBrowser(self):
  348:         """getBrowser the version of browser """
  349:         names=""
  350:         names = browserCheck(self)
  351:         #logging.debug("XXXXXXXXXXXXXXXX: %s"%names)
  352:         return names
  353:         
  354:     def findDigilibUrl(self):
  355:         """try to get the digilib URL from zogilib"""
  356:         url = self.template.zogilib.getDLBaseUrl()
  357:         return url
  358: 
  359:     def getDocumentViewerURL(self):
  360:         """returns the URL of this instance"""
  361:         return self.absolute_url()
  362:     
  363:     def getStyle(self, idx, selected, style=""):
  364:         """returns a string with the given style and append 'sel' if path == selected."""
  365:         #logger("documentViewer (getstyle)", logging.INFO, "idx: %s selected: %s style: %s"%(idx,selected,style))
  366:         if idx == selected:
  367:             return style + 'sel'
  368:         else:
  369:             return style
  370:     
  371:     def getLink(self,param=None,val=None):
  372:         """link to documentviewer with parameter param set to val"""
  373:         params=self.REQUEST.form.copy()
  374:         if param is not None:
  375:             if val is None:
  376:                 if params.has_key(param):
  377:                     del params[param]
  378:             else:
  379:                 params[param] = str(val)
  380:                 
  381:         if params.get("mode", None) == "filepath": #wenn beim erst Aufruf filepath gesetzt wurde aendere das nun zu imagepath
  382:                 params["mode"] = "imagepath"
  383:                 params["url"] = getParentDir(params["url"])
  384:                 
  385:         # quote values and assemble into query string
  386:         #ps = "&".join(["%s=%s"%(k,urllib.quote(v)) for (k, v) in params.items()])
  387:         ps = urllib.urlencode(params)
  388:         url=self.REQUEST['URL1']+"?"+ps
  389:         return url
  390: 
  391:     def getLinkAmp(self,param=None,val=None):
  392:         """link to documentviewer with parameter param set to val"""
  393:         params=self.REQUEST.form.copy()
  394:         if param is not None:
  395:             if val is None:
  396:                 if params.has_key(param):
  397:                     del params[param]
  398:             else:
  399:                 params[param] = str(val)
  400:                 
  401:         # quote values and assemble into query string
  402:         logging.debug("XYXXXXX: %s"%repr(params.items()))
  403:         ps = "&amp;".join(["%s=%s"%(k,urllib.quote(v)) for (k, v) in params.items()])
  404:         url=self.REQUEST['URL1']+"?"+ps
  405:         return url
  406:     
  407:     def getInfo_xml(self,url,mode):
  408:         """returns info about the document as XML"""
  409: 
  410:         if not self.digilibBaseUrl:
  411:             self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"
  412:         
  413:         docinfo = self.getDocinfo(mode=mode,url=url)
  414:         pt = getattr(self.template, 'info_xml')
  415:         return pt(docinfo=docinfo)
  416: 
  417:     def getOptionToggle(self, newState=None, optionName='text_options_open', initialState=True):
  418:         """returns new option state"""
  419:         if not self.REQUEST.SESSION.has_key(optionName):
  420:             # not in session -- initial
  421:             opt = {'lastState': newState, 'state': initialState}
  422:         else:
  423:             opt = self.REQUEST.SESSION.get(optionName)
  424:             if opt['lastState'] != newState:
  425:                 # state in session has changed -- toggle
  426:                 opt['state'] = not opt['state']
  427:                 opt['lastState'] = newState
  428:         
  429:         self.REQUEST.SESSION[optionName] = opt
  430:         return opt['state']
  431:     
  432:     def isAccessible(self, docinfo):
  433:         """returns if access to the resource is granted"""
  434:         access = docinfo.get('accessType', None)
  435:         logging.debug("documentViewer (accessOK) access type %s"%access)
  436:         if access is not None and access == 'free':
  437:             logging.debug("documentViewer (accessOK) access is free")
  438:             return True
  439:         elif access is None or access in self.authgroups:
  440:             # only local access -- only logged in users
  441:             user = getSecurityManager().getUser()
  442:             logging.debug("documentViewer (accessOK) user=%s ip=%s"%(user,self.REQUEST.getClientAddr()))
  443:             if user is not None:
  444:                 #print "user: ", user
  445:                 return (user.getUserName() != "Anonymous User")
  446:             else:
  447:                 return False
  448:         
  449:         logging.error("documentViewer (accessOK) unknown access type %s"%access)
  450:         return False
  451:     
  452:                 
  453:     def getDirinfoFromDigilib(self,path,docinfo=None,cut=0):
  454:         """gibt param von dlInfo aus"""
  455:         if docinfo is None:
  456:             docinfo = {}
  457:         
  458:         for x in range(cut):
  459:                
  460:                 path=getParentDir(path)
  461:        
  462:         infoUrl=self.digilibBaseUrl+"/dirInfo-xml.jsp?mo=dir&fn="+path
  463:     
  464:         logging.debug("documentViewer (getparamfromdigilib) dirInfo from %s"%(infoUrl))
  465:         
  466:         txt = getHttpData(infoUrl)
  467:         if txt is None:
  468:             raise IOError("Unable to get dir-info from %s"%(infoUrl))
  469: 
  470:         dom = Parse(txt)
  471:         sizes=dom.xpath("//dir/size")
  472:         logging.debug("documentViewer (getparamfromdigilib) dirInfo:size"%sizes)
  473:         
  474:         if sizes:
  475:             docinfo['numPages'] = int(getTextFromNode(sizes[0]))
  476:         else:
  477:             docinfo['numPages'] = 0
  478:             
  479:         # TODO: produce and keep list of image names and numbers
  480:                         
  481:         return docinfo
  482:     
  483:     def getIndexMetaPath(self,url):
  484:         """gib nur den Pfad zurueck"""
  485:         regexp = re.compile(r".*(experimental|permanent)/(.*)")
  486:         regpath = regexp.match(url)
  487:         if (regpath==None):
  488:             return ""
  489:         logging.debug("(getDomFromIndexMeta): URLXAXA: %s"%regpath.group(2))            
  490:         return ("/mpiwg/online/"+regpath.group(1)+"/"+regpath.group(2))
  491:      
  492:     
  493:     
  494:     def getIndexMetaUrl(self,url):
  495:         """returns utr  of index.meta document at url"""
  496:       
  497:         metaUrl = None
  498:         if url.startswith("http://"):
  499:             # real URL
  500:             metaUrl = url
  501:         else:
  502:             # online path
  503:             server=self.digilibBaseUrl+"/servlet/Texter?fn="
  504:             metaUrl=server+url.replace("/mpiwg/online","")
  505:             if not metaUrl.endswith("index.meta"):
  506:                 metaUrl += "/index.meta"
  507:         
  508:         return metaUrl
  509:     
  510:     def getDomFromIndexMeta(self, url):
  511:         """get dom from index meta"""
  512:         dom = None
  513:         metaUrl = self.getIndexMetaUrl(url)
  514:                 
  515:         logging.debug("(getDomFromIndexMeta): METAURL: %s"%metaUrl)
  516:         txt=getHttpData(metaUrl)
  517:         if txt is None:
  518:             raise IOError("Unable to read index meta from %s"%(url))
  519:         
  520:         dom = Parse(txt)
  521:         return dom
  522:     
  523:     def getPresentationInfoXML(self, url):
  524:         """returns dom of info.xml document at url"""
  525:         dom = None
  526:         metaUrl = None
  527:         if url.startswith("http://"):
  528:             # real URL
  529:             metaUrl = url
  530:         else:
  531:             # online path
  532:             server=self.digilibBaseUrl+"/servlet/Texter?fn="
  533:             metaUrl=server+url.replace("/mpiwg/online","")
  534:         
  535:         txt=getHttpData(metaUrl)
  536:         if txt is None:
  537:             raise IOError("Unable to read infoXMLfrom %s"%(url))
  538:             
  539:         dom = Parse(txt)
  540:         return dom
  541:                         
  542:         
  543:     def getAuthinfoFromIndexMeta(self,path,docinfo=None,dom=None,cut=0):
  544:         """gets authorization info from the index.meta file at path or given by dom"""
  545:         logging.debug("documentViewer (getauthinfofromindexmeta) path: %s"%(path))
  546:         
  547:         access = None
  548:         
  549:         if docinfo is None:
  550:             docinfo = {}
  551:             
  552:         if dom is None:
  553:             for x in range(cut):
  554:                 path=getParentDir(path)
  555:             dom = self.getDomFromIndexMeta(path)
  556:        
  557:         acctype = dom.xpath("//access-conditions/access/@type")
  558:         if acctype and (len(acctype)>0):
  559:             access=acctype[0].value
  560:             if access in ['group', 'institution']:
  561:                 access = getTextFromNode(dom.xpath("//access-conditions/access/name")[0]).lower()
  562:             
  563:         docinfo['accessType'] = access
  564:         return docinfo
  565:     
  566:         
  567:     def getBibinfoFromIndexMeta(self,path,docinfo=None,dom=None,cut=0):
  568:         """gets bibliographical info from the index.meta file at path or given by dom"""
  569:         logging.debug("documentViewer (getbibinfofromindexmeta) path: %s"%(path))
  570:         
  571:         if docinfo is None:
  572:             docinfo = {}
  573:         
  574:         if dom is None:
  575:             for x in range(cut):
  576:                 path=getParentDir(path)
  577:             dom = self.getDomFromIndexMeta(path)
  578:         
  579:         docinfo['indexMetaPath']=self.getIndexMetaPath(path);
  580:         
  581:         logging.debug("documentViewer (getbibinfofromindexmeta cutted) path: %s"%(path))
  582:         # put in all raw bib fields as dict "bib"
  583:         bib = dom.xpath("//bib/*")
  584:         if bib and len(bib)>0:
  585:             bibinfo = {}
  586:             for e in bib:
  587:                 bibinfo[e.localName] = getTextFromNode(e)
  588:             docinfo['bib'] = bibinfo
  589:         
  590:         # extract some fields (author, title, year) according to their mapping
  591:         metaData=self.metadata.main.meta.bib
  592:         bibtype=dom.xpath("//bib/@type")
  593:         if bibtype and (len(bibtype)>0):
  594:             bibtype=bibtype[0].value
  595:         else:
  596:             bibtype="generic"
  597:             
  598:         bibtype=bibtype.replace("-"," ") # wrong typesiin index meta "-" instead of " " (not wrong! ROC)
  599:         docinfo['bib_type'] = bibtype
  600:         bibmap=metaData.generateMappingForType(bibtype)
  601:         logging.debug("documentViewer (getbibinfofromindexmeta) bibmap:"+repr(bibmap))
  602:         logging.debug("documentViewer (getbibinfofromindexmeta) bibtype:"+repr(bibtype))
  603:         # if there is no mapping bibmap is empty (mapping sometimes has empty fields)
  604:         if len(bibmap) > 0 and len(bibmap['author'][0]) > 0:
  605:             try:
  606:                 docinfo['author']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['author'][0])[0])
  607:             except: pass
  608:             try:
  609:                 docinfo['title']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['title'][0])[0])
  610:             except: pass
  611:             try:
  612:                 docinfo['year']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['year'][0])[0])
  613:             except: pass
  614:             logging.debug("documentViewer (getbibinfofromindexmeta) using mapping for %s"%bibtype)
  615:             try:
  616:                 docinfo['lang']=getTextFromNode(dom.xpath("//bib/lang")[0])
  617:             except:
  618:                 docinfo['lang']=''
  619: 
  620:         return docinfo
  621:     
  622:      
  623:     def getNameFromIndexMeta(self,path,docinfo=None,dom=None,cut=0):
  624:         """gets name info from the index.meta file at path or given by dom"""
  625:         if docinfo is None:
  626:             docinfo = {}
  627:         
  628:         if dom is None:
  629:             for x in range(cut):
  630:                 path=getParentDir(path)
  631:             dom = self.getDomFromIndexMeta(path)
  632: 
  633:         docinfo['name']=getTextFromNode(dom.xpath("/resource/name")[0])
  634:         logging.debug("documentViewer docinfo[name] %s"%docinfo['name'])
  635:         return docinfo
  636:     
  637:     def getDocinfoFromTextTool(self, url, dom=None, docinfo=None):
  638:         """parse texttool tag in index meta"""
  639:         logging.debug("documentViewer (getdocinfofromtexttool) url: %s" % (url))
  640:         if docinfo is None:
  641:            docinfo = {}
  642:         if docinfo.get('lang', None) is None:
  643:             docinfo['lang'] = '' # default keine Sprache gesetzt
  644:         if dom is None:
  645:             dom = self.getDomFromIndexMeta(url)
  646:         
  647:         archivePath = None
  648:         archiveName = None
  649:     
  650:         archiveNames = dom.xpath("//resource/name")
  651:         if archiveNames and (len(archiveNames) > 0):
  652:             archiveName = getTextFromNode(archiveNames[0])
  653:         else:
  654:             logging.warning("documentViewer (getdocinfofromtexttool) resource/name missing in: %s" % (url))
  655:         
  656:         archivePaths = dom.xpath("//resource/archive-path")
  657:         if archivePaths and (len(archivePaths) > 0):
  658:             archivePath = getTextFromNode(archivePaths[0])
  659:             # clean up archive path
  660:             if archivePath[0] != '/':
  661:                 archivePath = '/' + archivePath
  662:             if archiveName and (not archivePath.endswith(archiveName)):
  663:                 archivePath += "/" + archiveName
  664:         else:
  665:             # try to get archive-path from url
  666:             logging.warning("documentViewer (getdocinfofromtexttool) resource/archive-path missing in: %s" % (url))
  667:             if (not url.startswith('http')):
  668:                 archivePath = url.replace('index.meta', '')
  669:                 
  670:         if archivePath is None:
  671:             # we balk without archive-path
  672:             raise IOError("Missing archive-path (for text-tool) in %s" % (url))
  673:         
  674:         imageDirs = dom.xpath("//texttool/image")
  675:         if imageDirs and (len(imageDirs) > 0):
  676:             imageDir = getTextFromNode(imageDirs[0])
  677:             
  678:         else:
  679:             # we balk with no image tag / not necessary anymore because textmode is now standard
  680:             #raise IOError("No text-tool info in %s"%(url))
  681:             imageDir = ""
  682:             #xquery="//pb"  
  683:             docinfo['imagePath'] = "" # keine Bilder
  684:             docinfo['imageURL'] = ""
  685:             
  686:         if imageDir and archivePath:
  687:             #print "image: ", imageDir, " archivepath: ", archivePath
  688:             imageDir = os.path.join(archivePath, imageDir)
  689:             imageDir = imageDir.replace("/mpiwg/online", '')
  690:             docinfo = self.getDirinfoFromDigilib(imageDir, docinfo=docinfo)
  691:             docinfo['imagePath'] = imageDir
  692:             
  693:             docinfo['imageURL'] = self.digilibBaseUrl + "/servlet/Scaler?fn=" + imageDir
  694:             
  695:         viewerUrls = dom.xpath("//texttool/digiliburlprefix")
  696:         if viewerUrls and (len(viewerUrls) > 0):
  697:             viewerUrl = getTextFromNode(viewerUrls[0])
  698:             docinfo['viewerURL'] = viewerUrl
  699:         
  700:         # old style text URL
  701:         textUrls = dom.xpath("//texttool/text")
  702:         if textUrls and (len(textUrls) > 0):
  703:             textUrl = getTextFromNode(textUrls[0])
  704:             if urlparse.urlparse(textUrl)[0] == "": #keine url
  705:                 textUrl = os.path.join(archivePath, textUrl) 
  706:             # fix URLs starting with /mpiwg/online
  707:             if textUrl.startswith("/mpiwg/online"):
  708:                 textUrl = textUrl.replace("/mpiwg/online", '', 1)
  709:             
  710:             docinfo['textURL'] = textUrl
  711:     
  712:         # new style text-url-path
  713:         textUrls = dom.xpath("//texttool/text-url-path")
  714:         if textUrls and (len(textUrls) > 0):
  715:             textUrl = getTextFromNode(textUrls[0])
  716:             docinfo['textURLPath'] = textUrl
  717:             if not docinfo['imagePath']:
  718:                 # text-only, no page images
  719:                 docinfo = self.getNumTextPages(docinfo)
  720:          
  721:         presentationUrls = dom.xpath("//texttool/presentation")
  722:         docinfo = self.getBibinfoFromIndexMeta(url, docinfo=docinfo, dom=dom)   # get info von bib tag
  723:         docinfo = self.getNameFromIndexMeta(url, docinfo=docinfo, dom=dom)
  724:         
  725:         
  726:         if presentationUrls and (len(presentationUrls) > 0): # ueberschreibe diese durch presentation informationen 
  727:              # presentation url ergiebt sich ersetzen von index.meta in der url der fuer die Metadaten
  728:              # durch den relativen Pfad auf die presentation infos
  729:             presentationPath = getTextFromNode(presentationUrls[0])
  730:             if url.endswith("index.meta"): 
  731:                 presentationUrl = url.replace('index.meta', presentationPath)
  732:             else:
  733:                 presentationUrl = url + "/" + presentationPath
  734:                 
  735:             docinfo = self.getBibinfoFromTextToolPresentation(presentationUrl, docinfo=docinfo, dom=dom)
  736:     
  737:         docinfo = self.getAuthinfoFromIndexMeta(url, docinfo=docinfo, dom=dom)   # get access info
  738:         
  739:         return docinfo
  740:    
  741:    
  742:     def getBibinfoFromTextToolPresentation(self,url,docinfo=None,dom=None):
  743:         """gets the bibliographical information from the preseantion entry in texttools
  744:         """
  745:         dom=self.getPresentationInfoXML(url)
  746:         try:
  747:             docinfo['author']=getTextFromNode(dom.xpath("//author")[0])
  748:         except:
  749:             pass
  750:         try:
  751:             docinfo['title']=getTextFromNode(dom.xpath("//title")[0])
  752:         except:
  753:             pass
  754:         try:
  755:             docinfo['year']=getTextFromNode(dom.xpath("//date")[0])
  756:         except:
  757:             pass
  758:         return docinfo
  759:     
  760:     def getDocinfoFromImagePath(self,path,docinfo=None,cut=0):
  761:         """path ist the path to the images it assumes that the index.meta file is one level higher."""
  762:         logging.debug("documentViewer (getdocinfofromimagepath) path: %s"%(path))
  763:         if docinfo is None:
  764:             docinfo = {}
  765:         path=path.replace("/mpiwg/online","")
  766:         docinfo['imagePath'] = path
  767:         docinfo=self.getDirinfoFromDigilib(path,docinfo=docinfo,cut=cut)
  768:         
  769:         pathorig=path
  770:         for x in range(cut):       
  771:                 path=getParentDir(path)
  772:         logging.debug("documentViewer (getdocinfofromimagepath) PATH:"+path)
  773:         imageUrl=self.digilibBaseUrl+"/servlet/Scaler?fn="+path
  774:         docinfo['imageURL'] = imageUrl
  775:         
  776:         #path ist the path to the images it assumes that the index.meta file is one level higher.
  777:         docinfo = self.getBibinfoFromIndexMeta(pathorig,docinfo=docinfo,cut=cut+1)
  778:         docinfo = self.getAuthinfoFromIndexMeta(pathorig,docinfo=docinfo,cut=cut+1)
  779:         return docinfo
  780:     
  781:     
  782:     def getDocinfo(self, mode, url):
  783:         """returns docinfo depending on mode"""
  784:         logging.debug("documentViewer (getdocinfo) mode: %s, url: %s"%(mode,url))
  785:         # look for cached docinfo in session
  786:         if self.REQUEST.SESSION.has_key('docinfo'):
  787:             docinfo = self.REQUEST.SESSION['docinfo']
  788:             # check if its still current
  789:             if docinfo is not None and docinfo.get('mode') == mode and docinfo.get('url') == url:
  790:                 logging.debug("documentViewer (getdocinfo) docinfo in session: %s"%docinfo)
  791:                 return docinfo
  792:         # new docinfo
  793:         docinfo = {'mode': mode, 'url': url}
  794:         if mode=="texttool": #index.meta with texttool information
  795:             docinfo = self.getDocinfoFromTextTool(url, docinfo=docinfo)
  796:         elif mode=="imagepath":
  797:             docinfo = self.getDocinfoFromImagePath(url, docinfo=docinfo)
  798:         elif mode=="filepath":
  799:             docinfo = self.getDocinfoFromImagePath(url, docinfo=docinfo,cut=1)
  800:         else:
  801:             logging.error("documentViewer (getdocinfo) unknown mode: %s!"%mode)
  802:             raise ValueError("Unknown mode %s! Has to be one of 'texttool','imagepath','filepath'."%(mode))
  803:                 
  804:         # FIXME: fake texturlpath 
  805:         if not docinfo.has_key('textURLPath'):
  806:             docinfo['textURLPath'] = None
  807:         
  808:         logging.debug("documentViewer (getdocinfo) docinfo: %s"%docinfo)
  809:         #logging.debug("documentViewer (getdocinfo) docinfo: %s"%)
  810:         self.REQUEST.SESSION['docinfo'] = docinfo
  811:         return docinfo
  812:                
  813:     def getPageinfo(self, current, start=None, rows=None, cols=None, docinfo=None, viewMode=None, tocMode=None):
  814:         """returns pageinfo with the given parameters"""
  815:         pageinfo = {}
  816:         current = getInt(current)
  817:     
  818:         pageinfo['current'] = current
  819:         rows = int(rows or self.thumbrows)
  820:         pageinfo['rows'] = rows
  821:         cols = int(cols or self.thumbcols)
  822:         pageinfo['cols'] = cols
  823:         grpsize = cols * rows
  824:         pageinfo['groupsize'] = grpsize
  825:         start = getInt(start, default=(math.ceil(float(current)/float(grpsize))*grpsize-(grpsize-1)))
  826:         # int(current / grpsize) * grpsize +1))
  827:         pageinfo['start'] = start
  828:         pageinfo['end'] = start + grpsize
  829:         if (docinfo is not None) and ('numPages' in docinfo):
  830:             np = int(docinfo['numPages'])
  831:             pageinfo['end'] = min(pageinfo['end'], np)
  832:             pageinfo['numgroups'] = int(np / grpsize)
  833:             if np % grpsize > 0:
  834:                 pageinfo['numgroups'] += 1        
  835:         pageinfo['viewMode'] = viewMode
  836:         pageinfo['tocMode'] = tocMode
  837:         pageinfo['characterNormalization'] = self.REQUEST.get('characterNormalization','regPlusNorm')
  838:         pageinfo['optionToggle'] = self.REQUEST.get('optionToggle','')
  839:         pageinfo['query'] = self.REQUEST.get('query','') 
  840:         pageinfo['queryType'] = self.REQUEST.get('queryType','')
  841:         pageinfo['querySearch'] =self.REQUEST.get('querySearch', 'fulltext')
  842:         pageinfo['textPN'] = self.REQUEST.get('textPN','1')
  843:         pageinfo['highlightQuery'] = self.REQUEST.get('highlightQuery','')
  844:         pageinfo['tocPageSize'] = self.REQUEST.get('tocPageSize', '30')
  845:         pageinfo['queryPageSize'] =self.REQUEST.get('queryPageSize', '10')
  846:         pageinfo['tocPN'] = self.REQUEST.get('tocPN', '1')
  847:         toc = int (pageinfo['tocPN'])
  848:         pageinfo['textPages'] =int (toc)
  849:         
  850:         
  851:         
  852:         if 'tocSize_%s'%tocMode in docinfo:
  853:             tocSize = int(docinfo['tocSize_%s'%tocMode])
  854:             tocPageSize = int(pageinfo['tocPageSize'])
  855:             # cached toc           
  856:             if tocSize%tocPageSize>0:
  857:                 tocPages=tocSize/tocPageSize+1
  858:             else:
  859:                 tocPages=tocSize/tocPageSize
  860:             pageinfo['tocPN'] = min (tocPages,toc)                    
  861:         pageinfo['searchPN'] =self.REQUEST.get('searchPN','1')
  862:         pageinfo['sn'] =self.REQUEST.get('sn','')
  863:         return pageinfo
  864:     
  865: def changeDocumentViewer(self,title="",digilibBaseUrl=None,thumbrows=2,thumbcols=5,authgroups='mpiwg',RESPONSE=None):
  866:         """init document viewer"""
  867:         self.title=title
  868:         self.digilibBaseUrl = digilibBaseUrl
  869:         self.thumbrows = thumbrows
  870:         self.thumbcols = thumbcols
  871:         self.authgroups = [s.strip().lower() for s in authgroups.split(',')]
  872:         if RESPONSE is not None:
  873:             RESPONSE.redirect('manage_main')
  874:         
  875: def manage_AddDocumentViewerForm(self):
  876:     """add the viewer form"""
  877:     pt=PageTemplateFile('zpt/addDocumentViewer', globals()).__of__(self)
  878:     return pt()
  879:   
  880: def manage_AddDocumentViewer(self,id,imageScalerUrl="",textServerName="",title="",RESPONSE=None):
  881:     """add the viewer"""
  882:     newObj=documentViewer(id,imageScalerUrl=imageScalerUrl,title=title,textServerName=textServerName)
  883:     self._setObject(id,newObj)
  884:     
  885:     if RESPONSE is not None:
  886:         RESPONSE.redirect('manage_main')
  887: 
  888: ## DocumentViewerTemplate class
  889: class DocumentViewerTemplate(ZopePageTemplate):
  890:     """Template for document viewer"""
  891:     meta_type="DocumentViewer Template"
  892: 
  893: 
  894: def manage_addDocumentViewerTemplateForm(self):
  895:     """Form for adding"""
  896:     pt=PageTemplateFile('zpt/addDocumentViewerTemplate', globals()).__of__(self)
  897:     return pt()
  898: 
  899: def manage_addDocumentViewerTemplate(self, id='viewer_main', title=None, text=None,
  900:                            REQUEST=None, submit=None):
  901:     "Add a Page Template with optional file content."
  902: 
  903:     self._setObject(id, DocumentViewerTemplate(id))
  904:     ob = getattr(self, id)
  905:     txt=file(os.path.join(package_home(globals()),'zpt/viewer_main.zpt'),'r').read()
  906:     logging.info("txt %s:"%txt)
  907:     ob.pt_edit(txt,"text/html")
  908:     if title:
  909:         ob.pt_setTitle(title)
  910:     try:
  911:         u = self.DestinationURL()
  912:     except AttributeError:
  913:         u = REQUEST['URL1']
  914:         
  915:     u = "%s/%s" % (u, urllib.quote(id))
  916:     REQUEST.RESPONSE.redirect(u+'/manage_main')
  917:     return ''
  918: 
  919: 
  920:     

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