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Diff for /documentViewer/documentViewer.py between versions 1.1 and 1.175.2.23

version 1.1, 2005/12/18 12:35:02 version 1.175.2.23, 2011/08/10 19:18:03
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 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 logging
   import math
   import urlparse 
   import re
   import string
   
   from SrvTxtUtils import getInt, getText, getHttpData
   
   def logger(txt,method,txt2):
       """logging"""
       logging.info(txt+ txt2)
       
       
   def serializeNode(node, encoding="utf-8"):
       """returns a string containing node as XML"""
       s = ET.tostring(node)
       
       # 4Suite:
       #    stream = cStringIO.StringIO()
       #    Ft.Xml.Domlette.Print(node, stream=stream, encoding=encoding)
       #    s = stream.getvalue()
       #    stream.close()
       return s
   
   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']=""
   
 def getTextFromNode(nodename):      if string.find(ua, 'MSIE') > -1:
     nodelist=nodename.childNodes          bt['isIE'] = True
     rc = ""      else:
     for node in nodelist:          bt['isN4'] = (string.find(ua, 'Mozilla/4.') > -1)
         if node.nodeType == node.TEXT_NODE:      # Safari oder Chrome identification    
            rc = rc + node.data      try:
     return rc          nav = ua[string.find(ua, '('):]
           nav1=ua[string.find(ua,')'):]
 import socket          nav2=nav1[string.find(nav1,'('):]
           nav3=nav2[string.find(nav2,')'):]
 def urlopen(url):          ie = string.split(nav, "; ")[1]
         """urlopen mit timeout"""          ie1 =string.split(nav1, " ")[2]
         socket.setdefaulttimeout(2)          ie2 =string.split(nav3, " ")[1]
         ret=urllib.urlopen(url)          ie3 =string.split(nav3, " ")[2]
         socket.setdefaulttimeout(5)          if string.find(ie3, "Safari") >-1:
         return ret              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])
   
   
   ##
   ## documentViewer class
   ##
   class documentViewer(Folder):
       """document viewer"""
       meta_type="Document viewer"
           
 def getParamFromDigilib(path,param):      security=ClassSecurityInfo()
     """gibt param von dlInfo aus"""      manage_options=Folder.manage_options+(
     imageUrl=genericDigilib+"/dlInfo-xml.jsp?fn="+path          {'label':'main config','action':'changeDocumentViewerForm'},
           )
   
     try:      metadataService = None
         dom = NonvalidatingReader.parseUri(imageUrl)      """MetaDataFolder instance"""
     except:  
         return None  
           
       # templates and forms
       viewer_main = PageTemplateFile('zpt/viewer_main', globals())
       toc_thumbs = PageTemplateFile('zpt/toc_thumbs', 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())
       docuviewer_css = PageTemplateFile('css/docuviewer.css', globals())
       info_xml = PageTemplateFile('zpt/info_xml', globals())
           
     params=dom.xpath("//document-parameters/parameter[@name='%s']/@value"%param)  
           
     if params:      thumbs_main_rss = PageTemplateFile('zpt/thumbs_main_rss', globals())
         return params[0].value  
           
 def parseUrlTextTool(url):  
    """parse index meta"""  
           
       def __init__(self,id,imageScalerUrl=None,textServerName=None,title="",digilibBaseUrl=None,thumbcols=2,thumbrows=5,authgroups="mpiwg"):
           """init document viewer"""
           self.id=id
           self.title=title
           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:     try:
        dom = NonvalidatingReader.parseUri(url)              import MpdlXmlTextServer
    except:              textServer = MpdlXmlTextServer.MpdlXmlTextServer(id='fulltextclient',serverName=textServerName)
        zLOG.LOG("documentViewer (parseUrlTexttool)", zLOG.INFO,"%s (%s)"%sys.exc_info()[0:2])              #templateFolder['fulltextclient'] = xmlRpcClient
        return (None,None,None)              templateFolder._setObject('fulltextclient',textServer)
           except Exception, e:
               logging.error("Unable to create MpdlXmlTextServer for fulltextclient: "+str(e))
         
    archivePaths=dom.xpath("//resource/archive-path")          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))
         
    if archivePaths and (len(archivePaths)>0):          try:
        archivePath=getTextFromNode(archivePaths[0])              # assume MetaDataFolder instance is called metadata 
    else:              self.metadataService = getattr(self, 'metadata')
        archivePath=None          except Exception, e:
               logging.error("Unable to find MetaDataFolder 'metadata': "+str(e))
         
           if digilibBaseUrl is not None:
               self.digilibBaseUrl = digilibBaseUrl
           
    images=dom.xpath("//texttool/image")  
         
    if images and (len(images)>0):      # proxy text server methods to fulltextclient
        image=getTextFromNode(images[0])      def getTextPage(self, **args):
    else:          """get page"""
        image=None          return self.template.fulltextclient.getTextPage(**args)
                 
    if image and archivePath:      def getOrigPages(self, **args):
        image=os.path.join(archivePath,image)          """get page"""
        image=image.replace("/mpiwg/online",'')          return self.template.fulltextclient.getOrigPages(**args)
        pt=getParamFromDigilib(image,'pt')  
   
    else:      def getOrigPagesNorm(self, **args):
        image=None          """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)
                 
    viewerUrls=dom.xpath("//texttool/digiliburlprefix")      def getTranslate(self, **args):
           """get translate"""
           return self.template.fulltextclient.getTranslate(**args)
         
    if viewerUrls and (len(viewerUrls)>0):      def getLemma(self, **args):
        viewerUrl=getTextFromNode(viewerUrls[0])          """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
           @param mode: defines how to access the document behind url 
           @param url: url which contains display information
           @param viewMode: if images display images, if text display text, default is images (text,images or auto)
           
           '''
           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'):
               # create template folder if it doesn't exist
               self.manage_addFolder('template')
               
           if not self.digilibBaseUrl:
               self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"
               
           docinfo = self.getDocinfo(mode=mode,url=url)
           #pageinfo = self.getPageinfo(start=start,current=pn,docinfo=docinfo)
           pageinfo = self.getPageinfo(start=start,current=pn, docinfo=docinfo)
           ''' 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:     else:
        viewerUrl=None                  viewMode="images"
         
           return pt(docinfo=docinfo,pageinfo=pageinfo,viewMode=viewMode)
         
    textUrls=dom.xpath("//texttool/text")  
         
    if textUrls and (len(textUrls)>0):      security.declareProtected('View','index_html')
        textUrl=getTextFromNode(textUrls[0])      def index_html(self,url,mode="texttool",viewMode="auto",viewType=None,tocMode="thumbs",start=1,pn=1):
           """
           view page
           @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:
        textUrl=None                  viewMode = "images"
    return viewerUrl,(image,pt),textUrl  
   
           elif viewMode == "text_dict":
               # legacy fix
               viewMode = "text"
               viewType = "dict"
               
           # stringify viewType
           if isinstance(viewType, list):
               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
   
 class documentViewer(ZopePageTemplate):          # and execute with parameters
     """document viewer"""          return pt(docinfo=docinfo, pageinfo=pageinfo)
   
     meta_type="Document viewer"      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
           
     security=ClassSecurityInfo()  
     manage_options=ZopePageTemplate.manage_options+(  
         {'label':'main config','action':'changeDocumentViewerForm'},  
         )  
   
     _default_content_fn = os.path.join(package_home(globals()),'zpt','documentViewer_template.zpt')      def getBrowser(self):
           """getBrowser the version of browser """
           bt = browserCheck(self)
           logging.debug("BROWSER VERSION: %s"%(bt))
           return bt
           
       def findDigilibUrl(self):
           """try to get the digilib URL from zogilib"""
           url = self.template.zogilib.getDLBaseUrl()
           return url
           
     def __init__(self,id,imageViewerUrl,title=""):      def getDocumentViewerURL(self):
         """init document viewer"""          """returns the URL of this instance"""
         self.id=id          return self.absolute_url()
         self.title=title      
         self.imageViewerUrl=imageViewerUrl      def getStyle(self, idx, selected, style=""):
           """returns a string with the given style and append 'sel' if path == selected."""
           #logger("documentViewer (getstyle)", logging.INFO, "idx: %s selected: %s style: %s"%(idx,selected,style))
           if idx == selected:
               return style + 'sel'
           else:
               return style
                   
     security.declareProtected('View management screens','changeDocumentViewerForm')          def getParams(self, param=None, val=None, params=None):
     def changeDocumentViewerForm(self):          """returns dict with URL parameters.
         """change it"""  
         pt=PageTemplateFile(os.path.join(package_home(globals()),'zpt','changeDocumentViewer.zpt')).__of__(self)  
         return pt()  
       
           Takes URL parameters and additionally param=val or dict params.
           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:
                   newParams[param] = str(val)
       
     def changeDocumentViewer(self,imageViewerUrl,title="",RESPONSE=None):          # change more params
         """init document viewer"""          if params is not None:
         self.title=title              for k in params.keys():
         self.imageViewerUrl=imageViewerUrl                  v = params[k]
                   if v is None:
                       # val=None removes param
                       if newParams.has_key(k):
                           del newParams[k]
                   
         if RESPONSE is not None:                  else:
             RESPONSE.redirect('manage_main')                      newParams[k] = v
           
           return newParams
           
     def imageLink(self,nr):      def getLink(self, param=None, val=None, params=None, baseUrl=None, paramSep='&'):
         """link hinter den images"""          """returns URL to documentviewer with parameter param set to val or from dict params"""
         paramsTmp=cgi.parse_qs(self.REQUEST['QUERY_STRING'])          urlParams = self.getParams(param=param, val=val, params=params)
         params={}          # quote values and assemble into query string (not escaping '/')
         for x in paramsTmp.iteritems():          ps = paramSep.join(["%s=%s"%(k,urllib.quote_plus(unicode(v),'/')) for (k, v) in urlParams.items()])
                 params[x[0]]=x[1][0]          if baseUrl is None:
                   baseUrl = self.getDocumentViewerURL()
         params['pn']=nr  
         newUrl=self.REQUEST['URL']+"?"+urllib.urlencode(params)  
         return newUrl  
                   
           url = "%s?%s"%(baseUrl, ps)
           return url
                   
     def thumbruler(self,cols,rows,start,maximum):      def getLinkAmp(self, param=None, val=None, params=None, baseUrl=None):
         """ruler for thumbs"""          """link to documentviewer with parameter param set to val"""
         ret=""          return self.getLink(param, val, params, baseUrl, '&')
         paramsTmp=cgi.parse_qs(self.REQUEST['QUERY_STRING'])      
         params={}      
         for x in paramsTmp.iteritems():      def getInfo_xml(self,url,mode):
           """returns info about the document as XML"""
             if not x[0]=="start":          if not self.digilibBaseUrl:
                 params[x[0]]=x[1][0]              self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"
           
         newUrlSelect=self.REQUEST['URL']+"?"+urllib.urlencode(params)              docinfo = self.getDocinfo(mode=mode,url=url)
         if start>0:          pt = getattr(self.template, 'info_xml')
             newStart=max(start-cols*rows,0)          return pt(docinfo=docinfo)
             params['start']=newStart  
             newUrl=self.REQUEST['URL']+"?"+urllib.urlencode(params)      def isAccessible(self, docinfo):
             ret+="""<a href="%s">prev</a>"""%newUrl          """returns if access to the resource is granted"""
           access = docinfo.get('accessType', None)
           logging.debug("documentViewer (accessOK) access type %s"%access)
         ret+="""<select onChange="location.href='%s&start='+this.options[this.selectedIndex].value" """%newUrlSelect          if access == 'free':
         nr,rest=divmod(maximum,cols*rows)              logging.debug("documentViewer (accessOK) access is free")
         if rest > 0:              return True
             nr+=1          
         for i in range(nr):          elif access is None or access in self.authgroups:
             nr=i*cols*rows              # only local access -- only logged in users
                          user = getSecurityManager().getUser()
             if (start >= nr) and (start < nr+cols*rows):                logging.debug("documentViewer (accessOK) user=%s ip=%s"%(user,self.REQUEST.getClientAddr()))
                 ret+="""<option value="%s" selected>%s</option>"""%(nr,nr)              if user is not None:
             else:                  #print "user: ", user
                 ret+="""<option value="%s">%s</option>"""%(nr,nr)                  return (user.getUserName() != "Anonymous User")
         ret+="</select>"              else:
                           return False
         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  
                   
         return ret          logging.error("documentViewer (accessOK) unknown access type %s"%access)
           return False
                   
     def textToolThumb(self,url,start=0):  
         """understands the texttool format  
         @param url: url to index.meta with texttool tag  
         """  
         (viewerUrl,imagepath,textpath)=parseUrlTextTool(url)  
                   
         imageUrl=genericDigilib+"/servlet/Scaler?fn=%s"%imagepath[0]  
                   
         pt=PageTemplateFile(os.path.join(package_home(globals()),'zpt','thumbs.zpt')).__of__(self)      def getDocinfo(self, mode, url):
         return pt(imageUrl=imageUrl,pt=imagepath[1],start=start)          """returns docinfo depending on mode"""
           logging.debug("getDocinfo: mode=%s, url=%s"%(mode,url))
           # look for cached docinfo in session
           if self.REQUEST.SESSION.has_key('docinfo'):
               docinfo = self.REQUEST.SESSION['docinfo']
               # check if its still current
               if docinfo is not None and docinfo.get('mode', None) == mode and docinfo.get('url', None) == url:
                   logging.debug("getDocinfo: docinfo in session. keys=%s"%docinfo.keys())
                   return docinfo
               
           # new docinfo
           docinfo = {'mode': mode, 'url': url}
           # add self url
           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":
               # 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)
           
     def text(self,mode,url,pn):          else:
         """give text"""              logging.error("documentViewer (getdocinfo) unknown mode: %s!"%mode)
         if mode=="texttool": #index.meta with texttool information              raise ValueError("Unknown mode %s! Has to be one of 'texttool','imagepath','filepath'."%(mode))
             (viewerUrl,imagepath,textpath)=parseUrlTextTool(url)  
                   
         print textpath          docinfo['documentUrl'] = docUrl
         try:          # process index.meta contents
             dom = NonvalidatingReader.parseUri(textpath)          if metaDom is not None and metaDom.tag == 'resource':
         except:              # document directory name and path
             return None              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)
           
         list=[]  
         nodes=dom.xpath("//pb")  
   
         node=nodes[int(pn)-1]  
                   
         p=node          # 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
           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
                   
         while p.tagName!="p":              if docName and (not docPath.endswith(docName)):
             p=p.parentNode                  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()
                   
         endNode=nodes[int(pn)]                  docinfo['accessType'] = access
                   
           except:
               pass
                   
         e=endNode          return docinfo
                   
         while e.tagName!="p":      def getDocinfoFromDigilib(self, docinfo, path):
             e=e.parentNode          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
                   
         next=node.parentNode  
                   
         #sammle s      def getDocinfoFromPresentationInfoXml(self,docinfo):
         while next and (next!=endNode.parentNode):          """gets DC-like bibliographical information from the presentation entry in texttools"""
             list.append(next)              url = docinfo.get('presentationUrl', None)
             next=next.nextSibling              if not url:
         list.append(endNode.parentNode)              logging.error("getDocinfoFromPresentation: no URL!")
               return docinfo
           
           dom = None
           metaUrl = None
           if url.startswith("http://"):
               # real URL
               metaUrl = url
           else:
               # online path
                   
         if p==e:# beide im selben paragraphen              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, start=None, rows=None, cols=None, docinfo=None, viewMode=None, viewType=None, tocMode=None):
           """returns pageinfo with the given parameters"""
           pageinfo = {}
           pageinfo['viewMode'] = viewMode
           pageinfo['viewType'] = viewType
           pageinfo['tocMode'] = tocMode
   
           current = getInt(current)
           pageinfo['current'] = 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
           pn = self.REQUEST.get('pn','1')
           pageinfo['pn'] = pn
           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=pn, 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['pageList'] = self.getPageList(start=start, rows=rows, cols=cols, pageFlowLtr=pageFlowLtr, pageZero=pageZero, minIdx=1, maxIdx=np)
                   
           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:      else:
             next=p                  tocPages=tocSize/tocPageSize
             while next!=e:  
                 print next,e  
                 list.append(next)  
                 next=next.nextSibling  
                           
         for x in list:              pageinfo['tocPN'] = min(tocPages,pageinfo['tocPN'])
             PrettyPrint(x)  
   
         return list          return pageinfo
           
     def image(self,mode,url,pn):  
         """give image out"""  
         if mode=="texttool": #index.meta with texttool information  
             (viewerUrl,imagepath,textpath)=parseUrlTextTool(url)  
             url=viewerUrl+"pn=%s&fn=%s"%(pn,imagepath[0])  
             ret="""<iframe height="100%%" width="100%%" src="%s"/>"""%url  
             return url  
                   
     def thumbs(self,mode,url,start):      def getPageList(self, start=None, rows=None, cols=None, pageFlowLtr=True, pageZero=False, minIdx=1, maxIdx=0):
         """give thumbs out"""          """returns array of page informations for one screenfull of thumbnails"""
         if mode=="texttool": #index.meta with texttool information          if maxIdx == 0:
             return self.textToolThumb(url,int(start))              maxIdx = start + rows * cols
                   
     security.declareProtected('View','index_html')          pages = []
           if pageZero and start == 1:
               # correct beginning
               idx = 0
           else:
               idx = start
           
           for r in range(rows):
               row = []
               for c in range(cols):
                   if idx < minIdx or idx > maxIdx:
                       page = {'idx':None}
                   else:
                       page = {'idx':idx}
           
     def index_html(self,mode,url,start=0,pn=0):                  idx += 1
         '''                  if pageFlowLtr:
         view it                      row.append(page)
         @param mode: defines which type of document is behind url                  else:
         @param url: url which contains display information                      row.insert(0, page) 
         '''  
                   
               pages.append(row)
           
         pt=PageTemplateFile(os.path.join(package_home(globals()),'zpt','documentViewer_template.zpt')).__of__(self)          logging.debug("getPageList returns=%s"%(pages))
         return pt(mode=mode,url=url,start=start,pn=pn)          return pages
                   
                   
       security.declareProtected('View management screens','changeDocumentViewerForm')    
       changeDocumentViewerForm = PageTemplateFile('zpt/changeDocumentViewer', globals())
                   
 #    security.declareProtected('View management screens','renameImageForm')      def changeDocumentViewer(self,title="",digilibBaseUrl=None,thumbrows=2,thumbcols=5,authgroups='mpiwg',RESPONSE=None):
           """init document viewer"""
           self.title=title
           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:
               RESPONSE.redirect('manage_main')
   
 def manage_AddDocumentViewerForm(self):  def manage_AddDocumentViewerForm(self):
     """add the viewer form"""      """add the viewer form"""
     pt=PageTemplateFile(os.path.join(package_home(globals()),'zpt','addDocumentViewer.zpt')).__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)
       txt=file(os.path.join(package_home(globals()),'zpt/viewer_main.zpt'),'r').read()
       logging.info("txt %s:"%txt)
       ob.pt_edit(txt,"text/html")
       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.1.1  
changed lines
  Added in v.1.175.2.23

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