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Diff for /documentViewer/documentViewer.py between versions 1.3 and 1.175.2.31

version 1.3, 2006/04/06 17:13:43 version 1.175.2.31, 2011/08/24 08:58:20
Line 1 Line 1
   
 genericDigilib="http://nausikaa2.rz-berlin.mpg.de/digitallibrary/"  
   
 from OFS.Folder import Folder  from OFS.Folder import Folder
 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 App.ImageFile import ImageFile
   #from Products.ZSimpleFile.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  import xml.etree.ElementTree as ET
 from Ft.Xml.Domlette import PrettyPrint, Print  
 from Ft.Xml import EMPTY_NAMESPACE  
   
 import Ft.Xml.XPath  
   
 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 110  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 117  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 = ImageFile('css/docuviewer.css',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:          else:
             zLOG.LOG("documentViewer (getdocinfo)", zLOG.ERROR,"unknown mode!")              logging.error("documentViewer (getdocinfo) unknown mode: %s!"%mode)
         zLOG.LOG("documentViewer (getdocinfo)", zLOG.INFO,"docinfo: %s"%docinfo)              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:
                   # no bib - try info.xml
                   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
                   
     def getPageinfo(self, start, current):              if docName and (not docPath.endswith(docName)):
                   docPath += "/" + docName
               
           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.1.175.2.31

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