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Diff for /documentViewer/documentViewer.py between versions 1.3 and 1.175.2.29

version 1.3, 2006/04/06 17:13:43 version 1.175.2.29, 2011/08/22 15:00:28
Line 1 Line 1
   
 genericDigilib="http://nausikaa2.rz-berlin.mpg.de/digitallibrary/"  
   
 from OFS.Folder import Folder  from OFS.Folder import Folder
   from OFS.Image import File
 from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate  from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate
 from Products.PageTemplates.PageTemplateFile import PageTemplateFile  from Products.PageTemplates.PageTemplateFile import PageTemplateFile
   from Products.ZSimpleFile import ZSimpleFile
 from AccessControl import ClassSecurityInfo  from AccessControl import ClassSecurityInfo
   from AccessControl import getSecurityManager
 from Globals import package_home  from Globals import package_home
   
 from Ft.Xml.Domlette import NonvalidatingReader  #from Ft.Xml import EMPTY_NAMESPACE, Parse 
 from Ft.Xml.Domlette import PrettyPrint, Print  #import Ft.Xml.Domlette
 from Ft.Xml import EMPTY_NAMESPACE  
   
 import Ft.Xml.XPath  import xml.etree.ElementTree as ET
   
 import os.path  import os.path
 import cgi  import sys
 import urllib  import urllib
 import zLOG  import logging
   import math
 def getTextFromNode(nodename):  import urlparse 
     nodelist=nodename.childNodes  import re
     rc = ""  import string
     for node in nodelist:  
         if node.nodeType == node.TEXT_NODE:  from SrvTxtUtils import getInt, getText, getHttpData
            rc = rc + node.data  
     return rc  def logger(txt,method,txt2):
       """logging"""
 import socket      logging.info(txt+ txt2)
       
 def urlopen(url):      
         """urlopen mit timeout"""  def serializeNode(node, encoding="utf-8"):
         socket.setdefaulttimeout(2)      """returns a string containing node as XML"""
         ret=urllib.urlopen(url)      s = ET.tostring(node)
         socket.setdefaulttimeout(5)      
         return ret      # 4Suite:
           #    stream = cStringIO.StringIO()
 def getParamFromDigilib(path,param):      #    Ft.Xml.Domlette.Print(node, stream=stream, encoding=encoding)
     """gibt param von dlInfo aus"""      #    s = stream.getvalue()
     imageUrl=genericDigilib+"/dirInfo-xml.jsp?mo=dir&fn="+path      #    stream.close()
       return s
     zLOG.LOG("documentViewer (getparamfromdigilib)", zLOG.INFO, "dirInfo (%s) from %s"%(param,imageUrl))  
   def browserCheck(self):
       """check the browsers request to find out the browser type"""
       bt = {}
       ua = self.REQUEST.get_header("HTTP_USER_AGENT")
       bt['ua'] = ua
       bt['isIE'] = False
       bt['isN4'] = False
       bt['versFirefox']=""
       bt['versIE']=""
       bt['versSafariChrome']=""
       bt['versOpera']=""
           
       if string.find(ua, 'MSIE') > -1:
           bt['isIE'] = True
       else:
           bt['isN4'] = (string.find(ua, 'Mozilla/4.') > -1)
       # Safari oder Chrome identification    
     try:      try:
         dom = NonvalidatingReader.parseUri(imageUrl)          nav = ua[string.find(ua, '('):]
     except:          nav1=ua[string.find(ua,')'):]
         return None          nav2=nav1[string.find(nav1,'('):]
               nav3=nav2[string.find(nav2,')'):]
     params=dom.xpath("//dir/%s"%param)          ie = string.split(nav, "; ")[1]
     zLOG.LOG("documentViewer (getparamfromdigilib)", zLOG.INFO, "dirInfo:%s"%params)          ie1 =string.split(nav1, " ")[2]
               ie2 =string.split(nav3, " ")[1]
     if params:          ie3 =string.split(nav3, " ")[2]
         return getTextFromNode(params[0])          if string.find(ie3, "Safari") >-1:
               bt['versSafariChrome']=string.split(ie2, "/")[1]
           except: pass
       # IE identification
       try:
           nav = ua[string.find(ua, '('):]
           ie = string.split(nav, "; ")[1]
           if string.find(ie, "MSIE") > -1:
               bt['versIE'] = string.split(ie, " ")[1]
       except:pass
       # Firefox identification
       try:
           nav = ua[string.find(ua, '('):]
           nav1=ua[string.find(ua,')'):]
           if string.find(ie1, "Firefox") >-1:
               nav5= string.split(ie1, "/")[1]
               logging.debug("FIREFOX: %s"%(nav5))
               bt['versFirefox']=nav5[0:3]                   
       except:pass
       #Opera identification
       try:
           if string.find(ua,"Opera") >-1:
               nav = ua[string.find(ua, '('):]
               nav1=nav[string.find(nav,')'):]
               bt['versOpera']=string.split(nav1,"/")[2]
       except:pass
       
       bt['isMac'] = string.find(ua, 'Macintosh') > -1
       bt['isWin'] = string.find(ua, 'Windows') > -1
       bt['isIEWin'] = bt['isIE'] and bt['isWin']
       bt['isIEMac'] = bt['isIE'] and bt['isMac']
       bt['staticHTML'] = False
   
       return bt
   
   def getParentPath(path, cnt=1):
       """returns pathname shortened by cnt"""
       # make sure path doesn't end with /
       path = path.rstrip('/')
       # split by /, shorten, and reassemble
       return '/'.join(path.split('/')[0:-cnt])
   
   
 ##  ##
Line 60  def getParamFromDigilib(path,param): Line 113  def getParamFromDigilib(path,param):
 ##  ##
 class documentViewer(Folder):  class documentViewer(Folder):
     """document viewer"""      """document viewer"""
   
     meta_type="Document viewer"      meta_type="Document viewer"
           
     security=ClassSecurityInfo()      security=ClassSecurityInfo()
Line 68  class documentViewer(Folder): Line 120  class documentViewer(Folder):
         {'label':'main config','action':'changeDocumentViewerForm'},          {'label':'main config','action':'changeDocumentViewerForm'},
         )          )
   
       metadataService = None
       """MetaDataFolder instance"""
   
     # templates and forms      # templates and forms
       viewer_text = PageTemplateFile('zpt/viewer_text', globals())
       viewer_images = PageTemplateFile('zpt/viewer_images', globals())
     viewer_main = PageTemplateFile('zpt/viewer_main', globals())      viewer_main = PageTemplateFile('zpt/viewer_main', globals())
     thumbs_main = PageTemplateFile('zpt/thumbs_main', globals())      toc_thumbs = PageTemplateFile('zpt/toc_thumbs', globals())
     image_main = PageTemplateFile('zpt/image_main', globals())      toc_text = PageTemplateFile('zpt/toc_text', globals())
       toc_figures = PageTemplateFile('zpt/toc_figures', globals())
       page_main_images = PageTemplateFile('zpt/page_main_images', globals())
       page_main_double = PageTemplateFile('zpt/page_main_double', globals())
       page_main_text = PageTemplateFile('zpt/page_main_text', globals())
       page_main_text_dict = PageTemplateFile('zpt/page_main_text_dict', globals())
       page_main_gis =PageTemplateFile ('zpt/page_main_gis', globals())
       page_main_xml = PageTemplateFile('zpt/page_main_xml', globals())
       page_main_pureXml = PageTemplateFile('zpt/page_main_pureXml', globals())
     head_main = PageTemplateFile('zpt/head_main', globals())      head_main = PageTemplateFile('zpt/head_main', globals())
     docuviewer_css = PageTemplateFile('css/docuviewer.css', globals())      info_xml = PageTemplateFile('zpt/info_xml', globals())
       # TODO: can this be nicer?
       docuviewer_css = ZSimpleFile(content_type='text/css',filename='css/docuviewer.css', id='docuviewer_css',_prefix=globals())
   
     security.declareProtected('View management screens','changeDocumentViewerForm')      
     changeDocumentViewerForm = PageTemplateFile('zpt/changeDocumentViewer', globals())  
   
       thumbs_main_rss = PageTemplateFile('zpt/thumbs_main_rss', globals())
           
     def __init__(self,id,imageViewerUrl,title="",digilibBaseUrl=None):      
       def __init__(self,id,imageScalerUrl=None,textServerName=None,title="",digilibBaseUrl=None,thumbcols=2,thumbrows=5,authgroups="mpiwg"):
         """init document viewer"""          """init document viewer"""
         self.id=id          self.id=id
         self.title=title          self.title=title
         self.imageViewerUrl=imageViewerUrl          self.thumbcols = thumbcols
           self.thumbrows = thumbrows
           # authgroups is list of authorized groups (delimited by ,)
           self.authgroups = [s.strip().lower() for s in authgroups.split(',')]
           # create template folder so we can always use template.something
           
           templateFolder = Folder('template')
           #self['template'] = templateFolder # Zope-2.12 style
           self._setObject('template',templateFolder) # old style
           try:
               import MpdlXmlTextServer
               textServer = MpdlXmlTextServer.MpdlXmlTextServer(id='fulltextclient',serverName=textServerName)
               #templateFolder['fulltextclient'] = xmlRpcClient
               templateFolder._setObject('fulltextclient',textServer)
           except Exception, e:
               logging.error("Unable to create MpdlXmlTextServer for fulltextclient: "+str(e))
               
           try:
               from Products.zogiLib.zogiLib import zogiLib
               zogilib = zogiLib(id="zogilib", title="zogilib for docuviewer", dlServerURL=imageScalerUrl, layout="book")
               #templateFolder['zogilib'] = zogilib
               templateFolder._setObject('zogilib',zogilib)
           except Exception, e:
               logging.error("Unable to create zogiLib for zogilib: "+str(e))
               
           try:
               # assume MetaDataFolder instance is called metadata 
               self.metadataService = getattr(self, 'metadata')
           except Exception, e:
               logging.error("Unable to find MetaDataFolder 'metadata': "+str(e))
               
           if digilibBaseUrl is not None:
         self.digilibBaseUrl = digilibBaseUrl          self.digilibBaseUrl = digilibBaseUrl
         if not self.digilibBaseUrl:  
             self.digilibBaseUrl = self.findDigilibUrl()  
         # add template folder so we can always use template.something  
         self.manage_addFolder('template')  
   
   
     security.declareProtected('View','index_html')      # proxy text server methods to fulltextclient
     def index_html(self,mode,url,start=0,pn=1):      def getTextPage(self, **args):
           """get page"""
           return self.template.fulltextclient.getTextPage(**args)
   
       def getOrigPages(self, **args):
           """get page"""
           return self.template.fulltextclient.getOrigPages(**args)
       
       def getOrigPagesNorm(self, **args):
           """get page"""
           return self.template.fulltextclient.getOrigPagesNorm(**args)
   
       def getQuery(self, **args):
           """get query in search"""
           return self.template.fulltextclient.getQuery(**args)
        
       def getSearch(self, **args):
           """get search"""
           return self.template.fulltextclient.getSearch(**args)
       
       def getGisPlaces(self, **args):
           """get gis places"""
           return self.template.fulltextclient.getGisPlaces(**args)
    
       def getAllGisPlaces(self, **args):
           """get all gis places """
           return self.template.fulltextclient.getAllGisPlaces(**args)
          
       def getWordInfo(self, **args):
           """get translate"""
           return self.template.fulltextclient.getWordInfo(**args)
   
       def getLemma(self, **args):
           """get lemma"""
           return self.template.fulltextclient.getLemma(**args)
   
       def getLemmaQuery(self, **args):
           """get query"""
           return self.template.fulltextclient.getLemmaQuery(**args)
   
       def getLex(self, **args):
           """get lex"""
           return self.template.fulltextclient.getLex(**args)
   
       def getToc(self, **args):
           """get toc"""
           return self.template.fulltextclient.getToc(**args)
   
       def getTocPage(self, **args):
           """get tocpage"""
           return self.template.fulltextclient.getTocPage(**args)
   
       
       security.declareProtected('View','thumbs_rss')
       def thumbs_rss(self,mode,url,viewMode="auto",start=None,pn=1):
         '''          '''
         view it          view it
         @param mode: defines which type of document is behind url          @param mode: defines how to access the document behind url 
         @param url: url which contains display information          @param url: url which contains display information
         '''          @param viewMode: if images display images, if text display text, default is images (text,images or auto)
                   
         zLOG.LOG("documentViewer (index)", zLOG.INFO, "mode: %s url:%s start:%s pn:%s"%(mode,url,start,pn))          '''
         print "dlbaseurl:", self.digilibBaseUrl          logging.debug("HHHHHHHHHHHHHH:load the rss")
           logging.debug("documentViewer (index) mode: %s url:%s start:%s pn:%s"%(mode,url,start,pn))
                   
         if not hasattr(self, 'template'):          if not hasattr(self, 'template'):
             # create template folder if it doesn't exist              # create template folder if it doesn't exist
             print "no template folder -- creating"  
             self.manage_addFolder('template')              self.manage_addFolder('template')
                           
         if not self.digilibBaseUrl:          if not self.digilibBaseUrl:
             self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"              self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"
                           
         print "dlbaseurl:", self.digilibBaseUrl  
   
         docinfo = self.getDocinfo(mode=mode, url=url)          docinfo = self.getDocinfo(mode=mode, url=url)
         pageinfo = self.getPageinfo(start=start,current=pn)          #pageinfo = self.getPageinfo(start=start,current=pn,docinfo=docinfo)
         pt = getattr(self.template, 'viewer_main')          pageinfo = self.getPageinfo(start=start,current=pn, docinfo=docinfo)
         return pt(docinfo=docinfo,pageinfo=pageinfo)          ''' ZDES '''
           pt = getattr(self.template, 'thumbs_main_rss')
           
           if viewMode=="auto": # automodus gewaehlt
               if docinfo.has_key("textURL") or docinfo.get('textURLPath',None): #texturl gesetzt und textViewer konfiguriert
                   viewMode="text"
               else:
                   viewMode="images"
       
           return pt(docinfo=docinfo,pageinfo=pageinfo,viewMode=viewMode)
       
     def imageLink(self,nr):  
         """link hinter den images"""  
         paramsTmp=cgi.parse_qs(self.REQUEST['QUERY_STRING'])  
         params={}  
         for x in paramsTmp.iteritems():  
                 params[x[0]]=x[1][0]  
       
         params['pn']=nr  
         newUrl=self.REQUEST['URL']+"?"+urllib.urlencode(params)  
         return newUrl  
                   
     def getStyle(self, idx, selected, style=""):      security.declareProtected('View','index_html')
         """returns a string with the given style + 'sel' if path == selected."""      def index_html(self,url,mode="texttool",viewMode="auto",viewType=None,tocMode="thumbs",start=1,pn=1):
         #zLOG.LOG("documentViewer (getstyle)", zLOG.INFO, "idx: %s selected: %s style: %s"%(idx,selected,style))          """
         if idx == selected:          view page
             return style + 'sel'          @param url: url which contains display information
           @param mode: defines how to access the document behind url 
           @param viewMode: 'images': display images, 'text': display text, default is 'auto'
           @param viewType: sub-type of viewMode, e.g. 'dict' for viewMode='text'
           @param tocMode: type of 'table of contents' for navigation (thumbs, text, figures, none)
           """
           
           logging.debug("documentViewer(index_html) mode=%s url=%s viewMode=%s viewType=%s start=%s pn=%s"%(mode,url,viewMode,viewType,start,pn))
           
           if not hasattr(self, 'template'):
               # this won't work
               logging.error("template folder missing!")
               return "ERROR: template folder missing!"
               
           if not getattr(self, 'digilibBaseUrl', None):
               self.digilibBaseUrl = self.findDigilibUrl() or "http://digilib.mpiwg-berlin.mpg.de/digitallibrary"
               
           docinfo = self.getDocinfo(mode=mode,url=url)
           
           if tocMode != "thumbs":
               # get table of contents
               docinfo = self.getToc(mode=tocMode, docinfo=docinfo)
   
           # auto viewMode: text if there is a text else images
           if viewMode=="auto": 
               if docinfo.get('textURL', None) or docinfo.get('textURLPath', None): 
                   viewMode = "text"
                   viewType = "dict"
         else:          else:
             return style                      viewMode = "images"
   
           elif viewMode == "text_dict":
               # legacy fix
               viewMode = "text"
               viewType = "dict"
               
           # stringify viewType
           if isinstance(viewType, list):
               logging.debug("index_html: viewType is list:%s"%viewType)
               viewType = ','.join([t for t in viewType if t])
                           
           pageinfo = self.getPageinfo(start=start, current=pn, docinfo=docinfo, viewMode=viewMode, viewType=viewType, tocMode=tocMode)
                       
           # get template /template/viewer_$viewMode
           pt = getattr(self.template, 'viewer_%s'%viewMode, None)
           if pt is None:
               logging.error("No template for viewMode=%s!"%viewMode)
               # TODO: error page?
               return "No template for viewMode=%s!"%viewMode
                           
     def thumbruler(self,cols,rows,start,maximum):          # and execute with parameters
         """ruler for thumbs"""          return pt(docinfo=docinfo, pageinfo=pageinfo)
         ret=""  
         paramsTmp=cgi.parse_qs(self.REQUEST['QUERY_STRING'])  
         params={}  
         for x in paramsTmp.iteritems():  
   
             if not x[0]=="start":  
                 params[x[0]]=x[1][0]  
   
         newUrlSelect=self.REQUEST['URL']+"?"+urllib.urlencode(params)      
         if start>0:  
             newStart=max(start-cols*rows,0)  
             params['start']=newStart  
             newUrl=self.REQUEST['URL']+"?"+urllib.urlencode(params)  
             ret+="""<a href="%s">prev</a>"""%newUrl  
   
   
         ret+="""<select onChange="location.href='%s&start='+this.options[this.selectedIndex].value">"""%newUrlSelect  
         nr,rest=divmod(maximum,cols*rows)  
         if rest > 0:  
             nr+=1  
         for i in range(nr):  
             nr=i*cols*rows  
              
             if (start >= nr) and (start < nr+cols*rows):    
                 ret+="""<option value="%s" selected>%s</option>"""%(nr,nr)  
             else:  
                 ret+="""<option value="%s">%s</option>"""%(nr,nr)  
         ret+="</select>"  
           
         if start<maximum:  
             newStart=min(start+cols*rows,maximum)  
             params['start']=newStart  
             newUrl=self.REQUEST['URL']+"?"+urllib.urlencode(params)  
             ret+="""<a href="%s">next</a>"""%newUrl  
                   
       def generateMarks(self,mk):
           ret=""
           if mk is None:
               return ""
           if not isinstance(mk, list):
               mk=[mk]
           for m in mk:
               ret+="mk=%s"%m
         return ret          return ret
           
                   
       def getBrowser(self):
           """getBrowser the version of browser """
           bt = browserCheck(self)
           logging.debug("BROWSER VERSION: %s"%(bt))
           return bt
                   
     def getBibinfoFromIndexMeta(self,path,docinfo=None,dom=None):      def findDigilibUrl(self):
         """gets bibliographical info from the index.meta file at url or given by dom"""          """try to get the digilib URL from zogilib"""
         zLOG.LOG("documentViewer (getbibinfofromindexmeta)", zLOG.INFO,"path: %s"%(path))          url = self.template.zogilib.getDLBaseUrl()
                   return url
         if docinfo is None:  
             docinfo = {}  
               
         metaData=self.metadata.main.meta.bib  
         if dom is None:  
             server="http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary/servlet/Texter?fn="  
             path="/".join(path.split("/")[0:-1])  
             metaUrl=server+path+"/index.meta"  
             try:  
                 dom = NonvalidatingReader.parseUri(metaUrl)  
             except:  
                 return docinfo  
                   
         type=dom.xpath("//bib/@type")      def getScalerUrl(self, fn=None, pn=None, dw=100, dh=100, docinfo=None):
         if type and (len(type)>0):          """returns URL to digilib Scaler with params"""
             type=type[0].value          url = None
         else:          if docinfo is not None:
             type="generic"              url = docinfo.get('imageURL', None)
         type=type.replace("-"," ")# wrong typesiin index meta "-" instead of " "              
         hash=metaData.generateMappingForType(type)          if url is None:
               url = "%s/servlet/Scaler?"%self.digilibBaseUrl
               if fn is None and docinfo is not None:
                   fn = docinfo.get('imagePath','')
   
         docinfo['author']=getTextFromNode(dom.xpath("//bib/%s"%hash['author'][0])[0])              url += "fn=%s"%fn
         docinfo['title']=getTextFromNode(dom.xpath("//bib/%s"%hash['title'][0])[0])  
         docinfo['year']=getTextFromNode(dom.xpath("//bib/%s"%hash['year'][0])[0])  
                   
         return docinfo          if pn:
               url += "&pn=%s"%pn
   
           url += "&dw=%s&dh=%s"%(dw,dh)
           return url
                   
     def getDocinfoFromTextTool(self,url,docinfo=None):      def getDocumentViewerURL(self):
        """parse texttool tag in index meta"""          """returns the URL of this instance"""
        zLOG.LOG("documentViewer (getdocinfofromtexttool)", zLOG.INFO,"url: %s"%(url))          return self.absolute_url()
        if docinfo is None:  
            docinfo = {}  
                         
        try:      def getStyle(self, idx, selected, style=""):
            dom = NonvalidatingReader.parseUri(url)          """returns a string with the given style and append 'sel' if idx == selected."""
        except:          #logger("documentViewer (getstyle)", logging.INFO, "idx: %s selected: %s style: %s"%(idx,selected,style))
            zLOG.LOG("documentViewer (parseUrlTexttool)", zLOG.INFO,"%s (%s)"%sys.exc_info()[0:2])          if idx == selected:
            return docinfo              return style + 'sel'
           else:
               return style
                 
        archivePaths=dom.xpath("//resource/archive-path")      def getParams(self, param=None, val=None, params=None, duplicates=None):
           """returns dict with URL parameters.
                 
        if archivePaths and (len(archivePaths)>0):          Takes URL parameters and additionally param=val or dict params.
            archivePath=getTextFromNode(archivePaths[0])          Deletes key if value is None."""
           # copy existing request params
           newParams=self.REQUEST.form.copy()
           # change single param
           if param is not None:
               if val is None:
                   if newParams.has_key(param):
                       del newParams[param]
        else:         else:
            archivePath=None                  newParams[param] = str(val)
                 
        images=dom.xpath("//texttool/image")          # change more params
           if params is not None:
               for (k, v) in params.items():
                   if v is None:
                       # val=None removes param
                       if newParams.has_key(k):
                           del newParams[k]
                 
        if images and (len(images)>0):  
            image=getTextFromNode(images[0])  
        else:         else:
            image=None                      newParams[k] = v
                         
        if image and archivePath:          if duplicates:
            image=os.path.join(archivePath,image)              # eliminate lists (coming from duplicate keys)
            image=image.replace("/mpiwg/online",'')              for (k,v) in newParams.items():
            pt=getParamFromDigilib(image,'size')                  if isinstance(v, list):
            docinfo['imagePath'] = image                      if duplicates == 'comma':
            docinfo['numberOfPages'] = pt                          # make comma-separated list of non-empty entries
                           newParams[k] = ','.join([t for t in v if t])
                       elif duplicates == 'first':
                           # take first non-empty entry
                           newParams[k] = [t for t in v if t][0]
           
           return newParams
       
       def getLink(self, param=None, val=None, params=None, baseUrl=None, paramSep='&', duplicates='comma'):
           """returns URL to documentviewer with parameter param set to val or from dict params"""
           urlParams = self.getParams(param=param, val=val, params=params, duplicates=duplicates)
           # quote values and assemble into query string (not escaping '/')
           ps = paramSep.join(["%s=%s"%(k,urllib.quote_plus(unicode(v),'/')) for (k, v) in urlParams.items()])
           if baseUrl is None:
               baseUrl = self.getDocumentViewerURL()
                         
        viewerUrls=dom.xpath("//texttool/digiliburlprefix")          url = "%s?%s"%(baseUrl, ps)
           return url
                 
        if viewerUrls and (len(viewerUrls)>0):      def getLinkAmp(self, param=None, val=None, params=None, baseUrl=None, duplicates='comma'):
            viewerUrl=getTextFromNode(viewerUrls[0])          """link to documentviewer with parameter param set to val"""
            docinfo['imageURL'] = viewerURL          return self.getLink(param=param, val=val, params=params, baseUrl=baseUrl, paramSep='&amp;', duplicates=duplicates)
                                       
        textUrls=dom.xpath("//texttool/text")  
                 
        if textUrls and (len(textUrls)>0):      def getInfo_xml(self,url,mode):
            textUrl=getTextFromNode(textUrls[0])          """returns info about the document as XML"""
            docinfo['textURL'] = textURL          if not self.digilibBaseUrl:
               self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"
                                             
        docinfo = self.getBibinfoFromIndexMeta(url,docinfo=docinfo,dom=dom)          docinfo = self.getDocinfo(mode=mode,url=url)
        return docinfo          pt = getattr(self.template, 'info_xml')
           return pt(docinfo=docinfo)
         
       def isAccessible(self, docinfo):
           """returns if access to the resource is granted"""
           access = docinfo.get('accessType', None)
           logging.debug("documentViewer (accessOK) access type %s"%access)
           if access == 'free':
               logging.debug("documentViewer (accessOK) access is free")
               return True
           
           elif access is None or access in self.authgroups:
               # only local access -- only logged in users
               user = getSecurityManager().getUser()
               logging.debug("documentViewer (accessOK) user=%s ip=%s"%(user,self.REQUEST.getClientAddr()))
               if user is not None:
                   #print "user: ", user
                   return (user.getUserName() != "Anonymous User")
               else:
                   return False
   
     def getDocinfoFromImagePath(self,path,docinfo=None):          logging.error("documentViewer (accessOK) unknown access type %s"%access)
         """path ist the path to the images it assumes that the index.meta file is one level higher."""          return False
         zLOG.LOG("documentViewer (getdocinfofromimagepath)", zLOG.INFO,"path: %s"%(path))  
         if docinfo is None:  
             docinfo = {}  
         docinfo['imagePath'] = path  
         path=path.replace("/mpiwg/online","")  
         pt=getParamFromDigilib(path,'size')  
         docinfo['numberOfPages'] = pt  
         imageUrl=genericDigilib+"/servlet/Scaler?fn=%s"%path  
         docinfo['imageURL'] = imageUrl  
                   
         docinfo = self.getBibinfoFromIndexMeta(path,docinfo=docinfo)  
         return docinfo  
           
           
     def getDocinfo(self, mode, url):      def getDocinfo(self, mode, url):
         """returns docinfo depending on mode"""          """returns docinfo depending on mode"""
         zLOG.LOG("documentViewer (getdocinfo)", zLOG.INFO,"mode: %s, url: %s"%(mode,url))          logging.debug("getDocinfo: mode=%s, url=%s"%(mode,url))
         # look for cached docinfo in session          # look for cached docinfo in session
         if self.REQUEST.SESSION.has_key('docinfo'):          if self.REQUEST.SESSION.has_key('docinfo'):
             docinfo = self.REQUEST.SESSION['docinfo']              docinfo = self.REQUEST.SESSION['docinfo']
             # check if its still current              # check if its still current
             if docinfo is not None and docinfo.get('mode') == mode and docinfo.get('url') == url:              if docinfo is not None and docinfo.get('mode', None) == mode and docinfo.get('url', None) == url:
                 zLOG.LOG("documentViewer (getdocinfo)", zLOG.INFO,"docinfo in session: %s"%docinfo)                  logging.debug("getDocinfo: docinfo in session. keys=%s"%docinfo.keys())
                 return docinfo                  return docinfo
               
         # new docinfo          # new docinfo
         docinfo = {'mode': mode, 'url': url}          docinfo = {'mode': mode, 'url': url}
         if mode=="texttool": #index.meta with texttool information          # add self url
             docinfo = self.getDocinfoFromTextTool(url, docinfo=docinfo)          docinfo['viewerUrl'] = self.getDocumentViewerURL()
           docinfo['digilibBaseUrl'] = self.digilibBaseUrl
           # get index.meta DOM
           docUrl = None
           metaDom = None
           if mode=="texttool": 
               # url points to document dir or index.meta
               metaDom = self.metadataService.getDomFromPathOrUrl(url)
               docUrl = url.replace('/index.meta', '')
               if metaDom is None:
                   raise IOError("Unable to find index.meta for mode=texttool!")
   
         elif mode=="imagepath":          elif mode=="imagepath":
             docinfo = self.getDocinfoFromImagePath(url, docinfo=docinfo)              # url points to folder with images, index.meta optional
               # asssume index.meta in parent dir
               docUrl = getParentPath(url)
               metaDom = self.metadataService.getDomFromPathOrUrl(docUrl)
   
           elif mode=="filepath":
               # url points to image file, index.meta optional
               # asssume index.meta is two path segments up
               docUrl = getParentPath(url, 2)
               metaDom = self.metadataService.getDomFromPathOrUrl(docUrl)
   
           else:
               logging.error("documentViewer (getdocinfo) unknown mode: %s!"%mode)
               raise ValueError("Unknown mode %s! Has to be one of 'texttool','imagepath','filepath'."%(mode))
           
           docinfo['documentUrl'] = docUrl
           # process index.meta contents
           if metaDom is not None and metaDom.tag == 'resource':
               # document directory name and path
               resource = self.metadataService.getResourceData(dom=metaDom)
               if resource:
                   docinfo = self.getDocinfoFromResource(docinfo, resource)
   
               # texttool info
               texttool = self.metadataService.getTexttoolData(dom=metaDom)
               if texttool:
                   docinfo = self.getDocinfoFromTexttool(docinfo, texttool)
               
               # bib info
               bib = self.metadataService.getBibData(dom=metaDom)
               if bib:
                   docinfo = self.getDocinfoFromBib(docinfo, bib)
         else:          else:
             zLOG.LOG("documentViewer (getdocinfo)", zLOG.ERROR,"unknown mode!")                  # no bib - try info.xml
         zLOG.LOG("documentViewer (getdocinfo)", zLOG.INFO,"docinfo: %s"%docinfo)                  docinfo = self.getDocinfoFromPresentationInfoXml(docinfo)
                   
               # auth info
               access = self.metadataService.getAccessData(dom=metaDom)
               if access:
                   docinfo = self.getDocinfoFromAccess(docinfo, access)
   
               # attribution info
               attribution = self.metadataService.getAttributionData(dom=metaDom)
               if attribution:
                   logging.debug("getDocinfo: attribution=%s"%repr(attribution))
                   docinfo['attribution'] = attribution
                   #docinfo = self.getDocinfoFromAccess(docinfo, access)
   
               # copyright info
               copyright = self.metadataService.getCopyrightData(dom=metaDom)
               if copyright:
                   logging.debug("getDocinfo: copyright=%s"%repr(copyright))
                   docinfo['copyright'] = copyright
                   #docinfo = self.getDocinfoFromAccess(docinfo, access)
   
           # image path
           if mode != 'texttool':
               # override image path from texttool with url
               docinfo['imagePath'] = url.replace('/mpiwg/online/', '', 1)
   
           # number of images from digilib
           if docinfo.get('imagePath', None):
               docinfo['imageURL'] = self.digilibBaseUrl + "/servlet/Scaler?fn=" + docinfo['imagePath']
               docinfo = self.getDocinfoFromDigilib(docinfo, docinfo['imagePath'])
   
           logging.debug("documentViewer (getdocinfo) docinfo: keys=%s"%docinfo.keys())
           #logging.debug("documentViewer (getdocinfo) docinfo: %s"%docinfo)
           # store in session
         self.REQUEST.SESSION['docinfo'] = docinfo          self.REQUEST.SESSION['docinfo'] = docinfo
         return docinfo          return docinfo
                   
       def getDocinfoFromResource(self, docinfo, resource):
           """reads contents of resource element into docinfo"""
           docName = resource.get('name', None)
           docinfo['documentName'] = docName
           docPath = resource.get('archive-path', None)
           if docPath:
               # clean up document path
               if docPath[0] != '/':
                   docPath = '/' + docPath
                   
               if docName and (not docPath.endswith(docName)):
                   docPath += "/" + docName
                   
     def getPageinfo(self, start, current):          else:
               # use docUrl as docPath
               docUrl = docinfo['documentURL']
               if not docUrl.startswith('http:'):
                   docPath = docUrl
           if docPath:
               # fix URLs starting with /mpiwg/online
               docPath = docPath.replace('/mpiwg/online', '', 1)
   
           docinfo['documentPath'] = docPath
           return docinfo
   
       def getDocinfoFromTexttool(self, docinfo, texttool):
           """reads contents of texttool element into docinfo"""
           # image dir
           imageDir = texttool.get('image', None)
           docPath = docinfo.get('documentPath', None)
           if imageDir and docPath:
               #print "image: ", imageDir, " archivepath: ", archivePath
               imageDir = os.path.join(docPath, imageDir)
               imageDir = imageDir.replace('/mpiwg/online', '', 1)
               docinfo['imagePath'] = imageDir
           
           # old style text URL
           textUrl = texttool.get('text', None)
           if textUrl and docPath:
               if urlparse.urlparse(textUrl)[0] == "": #keine url
                   textUrl = os.path.join(docPath, textUrl) 
               
               docinfo['textURL'] = textUrl
       
           # new style text-url-path
           textUrl = texttool.get('text-url-path', None)
           if textUrl:
               docinfo['textURLPath'] = textUrl
               
           # page flow
           docinfo['pageFlow'] = texttool.get('page-flow', 'ltr')
               
           # odd pages are left
           docinfo['oddPage'] = texttool.get('odd-scan-position', 'left')
               
           # number of title page (0: not defined)
           docinfo['titlePage'] = texttool.get('title-scan-no', 0)
               
           # old presentation stuff
           presentation = texttool.get('presentation', None)
           if presentation and docPath:
               if presentation.startswith('http:'):
                   docinfo['presentationUrl'] = presentation
               else:
                   docinfo['presentationUrl'] = os.path.join(docPath, presentation)
               
           
           return docinfo
   
       def getDocinfoFromBib(self, docinfo, bib):
           """reads contents of bib element into docinfo"""
           logging.debug("getDocinfoFromBib bib=%s"%repr(bib))
           # put all raw bib fields in dict "bib"
           docinfo['bib'] = bib
           bibtype = bib.get('@type', None)
           docinfo['bibType'] = bibtype
           # also store DC metadata for convenience
           dc = self.metadataService.getDCMappedData(bib)
           docinfo['creator'] = dc.get('creator',None)
           docinfo['title'] = dc.get('title',None)
           docinfo['date'] = dc.get('date',None)
           return docinfo
               
       def getDocinfoFromAccess(self, docinfo, acc):
           """reads contents of access element into docinfo"""
           #TODO: also read resource type
           logging.debug("getDocinfoFromAccess acc=%s"%repr(acc))
           try:
               acctype = acc['@attr']['type']
               if acctype:
                   access=acctype
                   if access in ['group', 'institution']:
                       access = acc['name'].lower()
                   
                   docinfo['accessType'] = access
   
           except:
               pass
           
           return docinfo
   
       def getDocinfoFromDigilib(self, docinfo, path):
           infoUrl=self.digilibBaseUrl+"/dirInfo-xml.jsp?mo=dir&fn="+path
           # fetch data
           txt = getHttpData(infoUrl)
           if not txt:
               logging.error("Unable to get dir-info from %s"%(infoUrl))
               return docinfo
   
           dom = ET.fromstring(txt)
           size = getText(dom.find("size"))
           logging.debug("getDocinfoFromDigilib: size=%s"%size)
           if size:
               docinfo['numPages'] = int(size)
           else:
               docinfo['numPages'] = 0
               
           # TODO: produce and keep list of image names and numbers
           return docinfo
               
               
       def getDocinfoFromPresentationInfoXml(self,docinfo):
           """gets DC-like bibliographical information from the presentation entry in texttools"""
           url = docinfo.get('presentationUrl', None)
           if not url:
               logging.error("getDocinfoFromPresentation: no URL!")
               return docinfo
           
           dom = None
           metaUrl = None
           if url.startswith("http://"):
               # real URL
               metaUrl = url
           else:
               # online path
               
               server=self.digilibBaseUrl+"/servlet/Texter?fn="
               metaUrl=server+url
           
           txt=getHttpData(metaUrl)
           if txt is None:
               logging.error("Unable to read info.xml from %s"%(url))
               return docinfo
               
           dom = ET.fromstring(txt)
           docinfo['creator']=getText(dom.find(".//author"))
           docinfo['title']=getText(dom.find(".//title"))
           docinfo['date']=getText(dom.find(".//date"))
           return docinfo
       
   
       def getPageinfo(self, current=None, start=None, rows=None, cols=None, docinfo=None, viewMode=None, viewType=None, tocMode=None):
         """returns pageinfo with the given parameters"""          """returns pageinfo with the given parameters"""
           logging.debug("getPageInfo(current=%s, start=%s, rows=%s, cols=%s, viewMode=%s, viewType=%s, tocMode=%s)"%(current,start,rows,cols,viewMode,viewType,tocMode))
         pageinfo = {}          pageinfo = {}
         pageinfo['start'] = start          pageinfo['viewMode'] = viewMode
           pageinfo['viewType'] = viewType
           pageinfo['tocMode'] = tocMode
   
           current = getInt(current)
         pageinfo['current'] = current          pageinfo['current'] = current
           pageinfo['pn'] = current
           rows = int(rows or self.thumbrows)
           pageinfo['rows'] = rows
           cols = int(cols or self.thumbcols)
           pageinfo['cols'] = cols
           grpsize = cols * rows
           pageinfo['groupsize'] = grpsize
           # is start is empty use one around current
           start = getInt(start, default=(math.ceil(float(current)/float(grpsize))*grpsize-(grpsize-1)))
           # int(current / grpsize) * grpsize +1))
           pageinfo['start'] = start
           
           np = int(docinfo.get('numPages', 0))
           if np == 0:
               # numPages unknown - maybe we can get it from text page
               if docinfo.get('textURLPath', None):
                   # cache text page as well
                   pageinfo['textPage'] = self.getTextPage(mode=viewType, pn=current, docinfo=docinfo, pageinfo=pageinfo)
                   np = int(docinfo.get('numPages', 0))
                   
           pageinfo['numgroups'] = int(np / grpsize)
           if np % grpsize > 0:
               pageinfo['numgroups'] += 1
   
           pageFlowLtr = docinfo.get('pageFlow', 'ltr') != 'rtl'
           oddScanLeft = docinfo.get('oddPage', 'left') != 'right'
           # add zeroth page for two columns
           pageZero = (cols == 2 and (pageFlowLtr != oddScanLeft))
           pageinfo['pageZero'] = pageZero
           pageinfo['pageBatch'] = self.getPageBatch(start=start, rows=rows, cols=cols, pageFlowLtr=pageFlowLtr, pageZero=pageZero, minIdx=1, maxIdx=np)
                   
           # TODO: do we need this here?
           pageinfo['characterNormalization'] = self.REQUEST.get('characterNormalization','reg')
           pageinfo['query'] = self.REQUEST.get('query','') 
           pageinfo['queryType'] = self.REQUEST.get('queryType','')
           pageinfo['querySearch'] =self.REQUEST.get('querySearch', 'fulltext')
           pageinfo['highlightQuery'] = self.REQUEST.get('highlightQuery','')
           pageinfo['tocPageSize'] = getInt(self.REQUEST.get('tocPageSize', 30))
           pageinfo['queryPageSize'] = getInt(self.REQUEST.get('queryPageSize', 10))
           pageinfo['tocPN'] = getInt(self.REQUEST.get('tocPN', '1'))
           pageinfo['searchPN'] = getInt(self.REQUEST.get('searchPN','1'))
           
           # limit tocPN
           if 'tocSize_%s'%tocMode in docinfo:
               tocSize = docinfo['tocSize_%s'%tocMode]
               tocPageSize = pageinfo['tocPageSize']
               # cached toc           
               if tocSize%tocPageSize>0:
                   tocPages=tocSize/tocPageSize+1
               else:
                   tocPages=tocSize/tocPageSize
                   
               pageinfo['tocPN'] = min(tocPages,pageinfo['tocPN'])
               
         return pageinfo          return pageinfo
                                   
     def text(self,mode,url,pn):  
         """give text"""  
         if mode=="texttool": #index.meta with texttool information  
             (viewerUrl,imagepath,textpath)=parseUrlTextTool(url)  
                   
         print textpath      def getPageBatch(self, start=1, rows=10, cols=2, pageFlowLtr=True, pageZero=False, minIdx=1, maxIdx=0):
         try:          """returns dict with array of page informations for one screenfull of thumbnails"""
             dom = NonvalidatingReader.parseUri(textpath)          batch = {}
         except:          grpsize = rows * cols
             return None          if maxIdx == 0:
               maxIdx = start + grpsize
   
           nb = int(math.ceil(maxIdx / float(grpsize)))
           # list of all batch start and end points
           batches = []
           if pageZero:
               ofs = 0
           else:
               ofs = 1
           
         list=[]          for i in range(nb):
         nodes=dom.xpath("//pb")              s = i * grpsize + ofs
               e = min((i + 1) * grpsize + ofs - 1, maxIdx)
               batches.append({'start':s, 'end':e})
               
           batch['batches'] = batches
   
           pages = []
           if pageZero and start == 1:
               # correct beginning
               idx = 0
           else:
               idx = start
   
         node=nodes[int(pn)-1]          for r in range(rows):
               row = []
               for c in range(cols):
                   if idx < minIdx or idx > maxIdx:
                       page = {'idx':None}
                   else:
                       page = {'idx':idx}
                   
         p=node                  idx += 1
                   if pageFlowLtr:
                       row.append(page)
                   else:
                       row.insert(0, page) 
                   
         while p.tagName!="p":              pages.append(row)
             p=p.parentNode  
                   
           if start > 1:
               batch['prevStart'] = max(start - grpsize, 1)
           else:
               batch['prevStart'] = None
                   
         endNode=nodes[int(pn)]          if start + grpsize < maxIdx:
               batch['nextStart'] = start + grpsize
           else:
               batch['nextStart'] = None
                   
           batch['pages'] = pages
           return batch
                   
         e=endNode      def getBatch(self, start=1, size=10, end=0, data=None, fullData=True):
           """returns dict with information for one screenfull of data."""
           batch = {}
           if end == 0:
               end = start + size                    
               
           nb = int(math.ceil(end / float(size)))
           # list of all batch start and end points
           batches = []
           for i in range(nb):
               s = i * size + 1
               e = min((i + 1) * size, end)
               batches.append({'start':s, 'end':e})
               
           batch['batches'] = batches
           # list of elements in this batch
           this = []
           j = 0
           for i in range(start, min(start+size, end)):
               if data:
                   if fullData:
                       d = data[i]
                   else:
                       d = data[j]
                       j += 1
                   
         while e.tagName!="p":              else:
             e=e.parentNode                  d = i+1
                   
               this.append(d)
                   
         next=node.parentNode          batch['this'] = this
           if start > 1:
               batch['prevStart'] = max(start - size, 1)
           else:
               batch['prevStart'] = None
                   
         #sammle s          if start + size < end:
         while next and (next!=endNode.parentNode):              batch['nextStart'] = start + size
             list.append(next)              else:
             next=next.nextSibling                  batch['nextStart'] = None
         list.append(endNode.parentNode)  
                   
         if p==e:# beide im selben paragraphen          return batch
             pass  
 #    else:  
 #            next=p  
 #            while next!=e:  
 #                print next,e  
 #                list.append(next)  
 #                next=next.nextSibling  
 #              
 #        for x in list:  
 #            PrettyPrint(x)  
 #  
 #        return list  
 #  
   
     def image(self,mode,url,pn):  
         """give image out"""  
         if mode=="texttool": #index.meta with texttool information  
             (viewerUrl,imagepath,textpath)=parseUrlTextTool(url)  
             if not viewerUrl:  
                 viewerUrl=self.imageViewerUrl  
             url=viewerUrl+"pn=%s&fn=%s"%(pn,imagepath[0])  
             ret="""<iframe height="100%%" width="100%%" src="%s"/>"""%url  
             return url  
         elif mode=="imagepath":  
             url=url.replace("/mpiwg/online","")  
             url=self.imageViewerUrl+"pn=%s&fn=%s"%(pn,url)  
             ret="""<iframe height="100%%" width="100%%" src="%s"/>"""%url  
             return url  
                           
                   
     def findDigilibUrl(self):      security.declareProtected('View management screens','changeDocumentViewerForm')    
         """try to get the digilib URL from zogilib"""      changeDocumentViewerForm = PageTemplateFile('zpt/changeDocumentViewer', globals())
         url = self.imageViewerUrl[:-1] + "/getScalerUrl"  
         try:  
             scaler = urlopen(url).read()  
             return scaler.replace("/servlet/Scaler?", "")  
         except:  
             return None  
           
     def changeDocumentViewer(self,imageViewerUrl,title="",digilibBaseUrl=None,RESPONSE=None):      def changeDocumentViewer(self,title="",digilibBaseUrl=None,thumbrows=2,thumbcols=5,authgroups='mpiwg',RESPONSE=None):
         """init document viewer"""          """init document viewer"""
         self.title=title          self.title=title
         self.imageViewerUrl=imageViewerUrl  
         self.digilibBaseUrl = digilibBaseUrl          self.digilibBaseUrl = digilibBaseUrl
           self.thumbrows = thumbrows
           self.thumbcols = thumbcols
           self.authgroups = [s.strip().lower() for s in authgroups.split(',')]
           try:
               # assume MetaDataFolder instance is called metadata 
               self.metadataService = getattr(self, 'metadata')
           except Exception, e:
               logging.error("Unable to find MetaDataFolder 'metadata': "+str(e))
                   
         if RESPONSE is not None:          if RESPONSE is not None:
             RESPONSE.redirect('manage_main')              RESPONSE.redirect('manage_main')
           
       
           
           
 #    security.declareProtected('View management screens','renameImageForm')  
   
 def manage_AddDocumentViewerForm(self):  def manage_AddDocumentViewerForm(self):
     """add the viewer form"""      """add the viewer form"""
     pt=PageTemplateFile('zpt/addDocumentViewer', globals()).__of__(self)      pt=PageTemplateFile('zpt/addDocumentViewer', globals()).__of__(self)
     return pt()      return pt()
       
 def manage_AddDocumentViewer(self,id,imageViewerUrl="",title="",RESPONSE=None):  def manage_AddDocumentViewer(self,id,imageScalerUrl="",textServerName="",title="",RESPONSE=None):
     """add the viewer"""      """add the viewer"""
     newObj=documentViewer(id,imageViewerUrl,title)      newObj=documentViewer(id,imageScalerUrl=imageScalerUrl,title=title,textServerName=textServerName)
     self._setObject(id,newObj)      self._setObject(id,newObj)
           
     if RESPONSE is not None:      if RESPONSE is not None:
         RESPONSE.redirect('manage_main')          RESPONSE.redirect('manage_main')
   
   
 ##  
 ## DocumentViewerTemplate class  
 ##  
 class DocumentViewerTemplate(ZopePageTemplate):  
     """Template for document viewer"""  
     meta_type="DocumentViewer Template"  
   
   
 def manage_addDocumentViewerTemplateForm(self):  
     """Form for adding"""  
     pt=PageTemplateFile('zpt/addDocumentViewerTemplate', globals()).__of__(self)  
     return pt()  
   
 def manage_addDocumentViewerTemplate(self, id='viewer_main', title=None, text=None,  
                            REQUEST=None, submit=None):  
     "Add a Page Template with optional file content."  
   
     self._setObject(id, DocumentViewerTemplate(id))  
     ob = getattr(self, id)  
     ob.pt_edit(open(os.path.join(package_home(globals()),'zpt/viewer_main.zpt')).read(),None)  
     if title:  
         ob.pt_setTitle(title)  
     try:  
         u = self.DestinationURL()  
     except AttributeError:  
         u = REQUEST['URL1']  
           
     u = "%s/%s" % (u, urllib.quote(id))  
     REQUEST.RESPONSE.redirect(u+'/manage_main')  
     return ''  
   
   
       
   
Removed from v.1.3  
changed lines
  Added in v.1.175.2.29

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