File:  [Repository] / documentViewer / documentViewer.py
Revision 1.164: download - view: text, annotated - select for diffs - revision graph
Tue Jan 11 10:55:37 2011 UTC (13 years, 5 months ago) by abukhman
Branches: MAIN
CVS tags: HEAD
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    1: 
    2: from OFS.Folder import Folder
    3: from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate
    4: from Products.PageTemplates.PageTemplateFile import PageTemplateFile 
    5: from AccessControl import ClassSecurityInfo
    6: from AccessControl import getSecurityManager
    7: from Globals import package_home
    8: from Products.zogiLib.zogiLib import browserCheck
    9: 
   10: from Ft.Xml import EMPTY_NAMESPACE, Parse
   11: import Ft.Xml.Domlette
   12: import os.path
   13: import sys
   14: import urllib
   15: import urllib2
   16: import logging
   17: import math
   18: import urlparse 
   19: import cStringIO
   20: import re
   21: import string
   22: 
   23: def logger(txt,method,txt2):
   24:     """logging"""
   25:     logging.info(txt+ txt2)
   26:     
   27:     
   28: def getInt(number, default=0):
   29:     """returns always an int (0 in case of problems)"""
   30:     try:
   31:         return int(number)
   32:     except:
   33:         return int(default)
   34: 
   35: def getTextFromNode(nodename):
   36:     """get the cdata content of a node"""
   37:     if nodename is None:
   38:         return ""
   39:     nodelist=nodename.childNodes
   40:     rc = ""
   41:     for node in nodelist:
   42:         if node.nodeType == node.TEXT_NODE:
   43:            rc = rc + node.data
   44:     return rc
   45: 
   46: def serializeNode(node, encoding='utf-8'):
   47:     """returns a string containing node as XML"""
   48:     buf = cStringIO.StringIO()
   49:     Ft.Xml.Domlette.Print(node, stream=buf, encoding=encoding)
   50:     s = buf.getvalue()
   51:     buf.close()
   52:     return s
   53: 
   54: def browserCheck(self):
   55:     """check the browsers request to find out the browser type"""
   56:     bt = {}
   57:     ua = self.REQUEST.get_header("HTTP_USER_AGENT")
   58:     bt['ua'] = ua
   59:     bt['isIE'] = False
   60:     bt['isN4'] = False
   61:     if string.find(ua, 'MSIE') > -1:
   62:         bt['isIE'] = True
   63:     else:
   64:         bt['isN4'] = (string.find(ua, 'Mozilla/4.') > -1)
   65:         
   66:     try:
   67:         nav = ua[string.find(ua, '('):]
   68:         ie = string.split(nav, "; ")[1]
   69:         if string.find(ie, "MSIE") > -1:
   70:             bt['versIE'] = string.split(ie, " ")[1]
   71:     except: pass
   72:     
   73:     bt['isMac'] = string.find(ua, 'Macintosh') > -1
   74:     bt['isWin'] = string.find(ua, 'Windows') > -1
   75:     bt['isIEWin'] = bt['isIE'] and bt['isWin']
   76:     bt['isIEMac'] = bt['isIE'] and bt['isMac']
   77:     bt['staticHTML'] = False
   78: 
   79:     return bt
   80: 
   81:        
   82: def getParentDir(path):
   83:     """returns pathname shortened by one"""
   84:     return '/'.join(path.split('/')[0:-1])
   85:         
   86: 
   87: def getHttpData(url, data=None, num_tries=3, timeout=10):
   88:     """returns result from url+data HTTP request"""
   89:     # we do GET (by appending data to url)
   90:     if isinstance(data, str) or isinstance(data, unicode):
   91:         # if data is string then append
   92:         url = "%s?%s"%(url,data)
   93:     elif isinstance(data, dict) or isinstance(data, list) or isinstance(data, tuple):
   94:         # urlencode
   95:         url = "%s?%s"%(url,urllib.urlencode(data))
   96:     
   97:     response = None
   98:     errmsg = None
   99:     for cnt in range(num_tries):
  100:         try:
  101:             logging.debug("getHttpData(#%s %ss) url=%s"%(cnt+1,timeout,url))
  102:             if sys.version_info < (2, 6):
  103:                 # set timeout on socket -- ugly :-(
  104:                 import socket
  105:                 socket.setdefaulttimeout(float(timeout))
  106:                 response = urllib2.urlopen(url)
  107:             else:
  108:                 response = urllib2.urlopen(url,timeout=float(timeout))
  109:             # check result?
  110:             break
  111:         except urllib2.HTTPError, e:
  112:             logging.error("getHttpData: HTTP error(%s): %s"%(e.code,e))
  113:             errmsg = str(e)
  114:             # stop trying
  115:             break
  116:         except urllib2.URLError, e:
  117:             logging.error("getHttpData: URLLIB error(%s): %s"%(e.reason,e))
  118:             errmsg = str(e)
  119:             # stop trying
  120:             #break
  121: 
  122:     if response is not None:
  123:         data = response.read()
  124:         response.close()
  125:         return data
  126:     
  127:     raise IOError("ERROR fetching HTTP data from %s: %s"%(url,errmsg))
  128:     #return None
  129: 
  130: 
  131: 
  132: ##
  133: ## documentViewer class
  134: ##
  135: class documentViewer(Folder):
  136:     """document viewer"""
  137:     meta_type="Document viewer"
  138:     
  139:     security=ClassSecurityInfo()
  140:     manage_options=Folder.manage_options+(
  141:         {'label':'main config','action':'changeDocumentViewerForm'},
  142:         )
  143: 
  144:     # templates and forms
  145:     viewer_main = PageTemplateFile('zpt/viewer_main', globals())
  146:     toc_thumbs = PageTemplateFile('zpt/toc_thumbs', globals())
  147:     toc_text = PageTemplateFile('zpt/toc_text', globals())
  148:     toc_figures = PageTemplateFile('zpt/toc_figures', globals())
  149:     page_main_images = PageTemplateFile('zpt/page_main_images', globals())
  150:     page_main_double = PageTemplateFile('zpt/page_main_double', globals())
  151:     page_main_text = PageTemplateFile('zpt/page_main_text', globals())
  152:     page_main_text_dict = PageTemplateFile('zpt/page_main_text_dict', globals())
  153:     page_main_gis =PageTemplateFile ('zpt/page_main_gis', globals())
  154:     page_main_xml = PageTemplateFile('zpt/page_main_xml', globals())
  155:     page_main_pureXml = PageTemplateFile('zpt/page_main_pureXml', globals())
  156:     head_main = PageTemplateFile('zpt/head_main', globals())
  157:     docuviewer_css = PageTemplateFile('css/docuviewer.css', globals())
  158:     info_xml = PageTemplateFile('zpt/info_xml', globals())
  159:     
  160:     
  161:     thumbs_main_rss = PageTemplateFile('zpt/thumbs_main_rss', globals())
  162:     security.declareProtected('View management screens','changeDocumentViewerForm')    
  163:     changeDocumentViewerForm = PageTemplateFile('zpt/changeDocumentViewer', globals())
  164: 
  165:     
  166:     def __init__(self,id,imageScalerUrl=None,textServerName=None,title="",digilibBaseUrl=None,thumbcols=2,thumbrows=5,authgroups="mpiwg"):
  167:         """init document viewer"""
  168:         self.id=id
  169:         self.title=title
  170:         self.thumbcols = thumbcols
  171:         self.thumbrows = thumbrows
  172:         # authgroups is list of authorized groups (delimited by ,)
  173:         self.authgroups = [s.strip().lower() for s in authgroups.split(',')]
  174:         # create template folder so we can always use template.something
  175:         
  176:         templateFolder = Folder('template')
  177:         #self['template'] = templateFolder # Zope-2.12 style
  178:         self._setObject('template',templateFolder) # old style
  179:         try:
  180:             import MpdlXmlTextServer
  181:             textServer = MpdlXmlTextServer.MpdlXmlTextServer(id='fulltextclient',serverName=textServerName)
  182:             #templateFolder['fulltextclient'] = xmlRpcClient
  183:             templateFolder._setObject('fulltextclient',textServer)
  184:         except Exception, e:
  185:             logging.error("Unable to create MpdlXmlTextServer for fulltextclient: "+str(e))
  186:         try:
  187:             from Products.zogiLib.zogiLib import zogiLib
  188:             zogilib = zogiLib(id="zogilib", title="zogilib for docuviewer", dlServerURL=imageScalerUrl, layout="book")
  189:             #templateFolder['zogilib'] = zogilib
  190:             templateFolder._setObject('zogilib',zogilib)
  191:         except Exception, e:
  192:             logging.error("Unable to create zogiLib for zogilib: "+str(e))
  193:         
  194:         
  195:     # proxy text server methods to fulltextclient
  196:     def getTextPage(self, **args):
  197:         """get page"""
  198:         return self.template.fulltextclient.getTextPage(**args)
  199: 
  200:     def getQuery(self, **args):
  201:         """get query in search"""
  202:         return self.template.fulltextclient.getQuery(**args)
  203:      
  204:     def getSearch(self, **args):
  205:         """get search"""
  206:         return self.template.fulltextclient.getSearch(**args)
  207:     
  208:     def getGisPlaces(self, **args):
  209:         """get gis places"""
  210:         return self.template.fulltextclient.getGisPlaces(**args)
  211:  
  212:     def getAllGisPlaces(self, **args):
  213:         """get all gis places """
  214:         return self.template.fulltextclient.getAllGisPlaces(**args)
  215:        
  216:     def getTranslate(self, **args):
  217:         """get translate"""
  218:         return self.template.fulltextclient.getTranslate(**args)
  219: 
  220:     def getLemma(self, **args):
  221:         """get lemma"""
  222:         return self.template.fulltextclient.getLemma(**args)
  223: 
  224:     def getToc(self, **args):
  225:         """get toc"""
  226:         return self.template.fulltextclient.getToc(**args)
  227: 
  228:     def getTocPage(self, **args):
  229:         """get tocpage"""
  230:         return self.template.fulltextclient.getTocPage(**args)
  231: 
  232:     
  233:     security.declareProtected('View','thumbs_rss')
  234:     def thumbs_rss(self,mode,url,viewMode="auto",start=None,pn=1):
  235:         '''
  236:         view it
  237:         @param mode: defines how to access the document behind url 
  238:         @param url: url which contains display information
  239:         @param viewMode: if images display images, if text display text, default is images (text,images or auto)
  240:         
  241:         '''
  242:         logging.debug("HHHHHHHHHHHHHH:load the rss")
  243:         logger("documentViewer (index)", logging.INFO, "mode: %s url:%s start:%s pn:%s"%(mode,url,start,pn))
  244:         
  245:         if not hasattr(self, 'template'):
  246:             # create template folder if it doesn't exist
  247:             self.manage_addFolder('template')
  248:             
  249:         if not self.digilibBaseUrl:
  250:             self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"
  251:             
  252:         docinfo = self.getDocinfo(mode=mode,url=url)
  253:         #pageinfo = self.getPageinfo(start=start,current=pn,docinfo=docinfo)
  254:         pageinfo = self.getPageinfo(start=start,current=pn, docinfo=docinfo)
  255:         ''' ZDES '''
  256:         pt = getattr(self.template, 'thumbs_main_rss')
  257:         
  258:         if viewMode=="auto": # automodus gewaehlt
  259:             if docinfo.has_key("textURL") or docinfo.get('textURLPath',None): #texturl gesetzt und textViewer konfiguriert
  260:                 viewMode="text"
  261:             else:
  262:                 viewMode="images"
  263:                
  264:         return pt(docinfo=docinfo,pageinfo=pageinfo,viewMode=viewMode)
  265:   
  266:     security.declareProtected('View','index_html')
  267:     def index_html(self,url,mode="texttool",viewMode="auto",tocMode="thumbs",start=None,pn=1,mk=None):
  268:         '''
  269:         view it
  270:         @param mode: defines how to access the document behind url 
  271:         @param url: url which contains display information
  272:         @param viewMode: if images display images, if text display text, default is auto (text,images or auto)
  273:         @param tocMode: type of 'table of contents' for navigation (thumbs, text, figures, none)
  274:         @param characterNormalization type of text display (reg, norm, none)
  275:         @param querySearch: type of different search modes (fulltext, fulltextMorph, xpath, xquery, ftIndex, ftIndexMorph, fulltextMorphLemma)
  276:         '''
  277:         
  278:         logging.debug("documentViewer (index) mode: %s url:%s start:%s pn:%s"%(mode,url,start,pn))
  279:         
  280:         if not hasattr(self, 'template'):
  281:             # this won't work
  282:             logging.error("template folder missing!")
  283:             return "ERROR: template folder missing!"
  284:             
  285:         if not getattr(self, 'digilibBaseUrl', None):
  286:             self.digilibBaseUrl = self.findDigilibUrl() or "http://digilib.mpiwg-berlin.mpg.de/digitallibrary"
  287:             
  288:         docinfo = self.getDocinfo(mode=mode,url=url)
  289:         
  290:         if tocMode != "thumbs":
  291:             # get table of contents
  292:             docinfo = self.getToc(mode=tocMode, docinfo=docinfo)
  293:             
  294:         if viewMode=="auto": # automodus gewaehlt
  295:             if docinfo.has_key('textURL') or docinfo.get('textURLPath',None): #texturl gesetzt und textViewer konfiguriert
  296:                 viewMode="text_dict"
  297:             else:
  298:                 viewMode="images"
  299:                 
  300:         pageinfo = self.getPageinfo(start=start,current=pn, docinfo=docinfo,viewMode=viewMode,tocMode=tocMode)
  301:         
  302:         if (docinfo.get('textURLPath',None)):
  303:             page = self.getTextPage(docinfo=docinfo, pageinfo=pageinfo)
  304:             pageinfo['textPage'] = page
  305:         pt = getattr(self.template, 'viewer_main')               
  306:         return pt(docinfo=docinfo,pageinfo=pageinfo,viewMode=viewMode,mk=self.generateMarks(mk))
  307:   
  308:     def generateMarks(self,mk):
  309:         ret=""
  310:         if mk is None:
  311:             return ""
  312:         if not isinstance(mk, list):
  313:             mk=[mk]
  314:         for m in mk:
  315:             ret+="mk=%s"%m
  316:         return ret
  317:     
  318:     
  319:     def getBrowser(self):
  320:         """getBrowser the version of browser """
  321:         bt = browserCheck(self)
  322:         logging.debug("BROWSER VERSION: %s"%(bt))
  323:         return bt
  324:         
  325:     def findDigilibUrl(self):
  326:         """try to get the digilib URL from zogilib"""
  327:         url = self.template.zogilib.getDLBaseUrl()
  328:         return url
  329: 
  330:     def getDocumentViewerURL(self):
  331:         """returns the URL of this instance"""
  332:         return self.absolute_url()
  333:     
  334:     def getStyle(self, idx, selected, style=""):
  335:         """returns a string with the given style and append 'sel' if path == selected."""
  336:         #logger("documentViewer (getstyle)", logging.INFO, "idx: %s selected: %s style: %s"%(idx,selected,style))
  337:         if idx == selected:
  338:             return style + 'sel'
  339:         else:
  340:             return style
  341:     
  342:     def getLink(self, param=None, val=None, params=None, baseUrl=None, paramSep='&'):
  343:         """returns URL to documentviewer with parameter param set to val or from dict params"""
  344:         # copy existing request params
  345:         urlParams=self.REQUEST.form.copy()
  346:         # change single param
  347:         if param is not None:
  348:             if val is None:
  349:                 if urlParams.has_key(param):
  350:                     del urlParams[param]
  351:             else:
  352:                 urlParams[param] = str(val)
  353:                 
  354:         # change more params
  355:         if params is not None:
  356:             for k in params.keys():
  357:                 v = params[k]
  358:                 if v is None:
  359:                     # val=None removes param
  360:                     if urlParams.has_key(k):
  361:                         del urlParams[k]
  362:                         
  363:                 else:
  364:                     urlParams[k] = v
  365: 
  366:         # FIXME: does this belong here?
  367:         if urlParams.get("mode", None) == "filepath": #wenn beim erst Aufruf filepath gesetzt wurde aendere das nun zu imagepath
  368:                 urlParams["mode"] = "imagepath"
  369:                 urlParams["url"] = getParentDir(urlParams["url"])
  370:                 
  371:         # quote values and assemble into query string (not escaping '/')
  372:         ps = paramSep.join(["%s=%s"%(k,urllib.quote_plus(v,'/')) for (k, v) in urlParams.items()])
  373:         #ps = urllib.urlencode(urlParams)
  374:         if baseUrl is None:
  375:             baseUrl = self.REQUEST['URL1']
  376:             
  377:         url = "%s?%s"%(baseUrl, ps)
  378:         return url
  379: 
  380: 
  381:     def getLinkAmp(self, param=None, val=None, params=None, baseUrl=None):
  382:         """link to documentviewer with parameter param set to val"""
  383:         return self.getLink(param, val, params, baseUrl, '&amp;')
  384:     
  385:     def getInfo_xml(self,url,mode):
  386:         """returns info about the document as XML"""
  387: 
  388:         if not self.digilibBaseUrl:
  389:             self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"
  390:         
  391:         docinfo = self.getDocinfo(mode=mode,url=url)
  392:         pt = getattr(self.template, 'info_xml')
  393:         return pt(docinfo=docinfo)
  394: 
  395:     def getOptionToggle(self, newState=None, optionName='text_options_open', initialState=True):
  396:         """returns new option state"""
  397:         if not self.REQUEST.SESSION.has_key(optionName):
  398:             # not in session -- initial
  399:             opt = {'lastState': newState, 'state': initialState}
  400:         else:
  401:             opt = self.REQUEST.SESSION.get(optionName)
  402:             if opt['lastState'] != newState:
  403:                 # state in session has changed -- toggle
  404:                 opt['state'] = not opt['state']
  405:                 opt['lastState'] = newState
  406:         
  407:         self.REQUEST.SESSION[optionName] = opt
  408:         return opt['state']
  409:     
  410:     def isAccessible(self, docinfo):
  411:         """returns if access to the resource is granted"""
  412:         access = docinfo.get('accessType', None)
  413:         logging.debug("documentViewer (accessOK) access type %s"%access)
  414:         if access is not None and access == 'free':
  415:             logging.debug("documentViewer (accessOK) access is free")
  416:             return True
  417:         elif access is None or access in self.authgroups:
  418:             # only local access -- only logged in users
  419:             user = getSecurityManager().getUser()
  420:             logging.debug("documentViewer (accessOK) user=%s ip=%s"%(user,self.REQUEST.getClientAddr()))
  421:             if user is not None:
  422:                 #print "user: ", user
  423:                 return (user.getUserName() != "Anonymous User")
  424:             else:
  425:                 return False
  426:         
  427:         logging.error("documentViewer (accessOK) unknown access type %s"%access)
  428:         return False
  429:     
  430:                 
  431:     def getDirinfoFromDigilib(self,path,docinfo=None,cut=0):
  432:         """gibt param von dlInfo aus"""
  433:         if docinfo is None:
  434:             docinfo = {}
  435:         
  436:         for x in range(cut):
  437:                
  438:                 path=getParentDir(path)
  439:        
  440:         infoUrl=self.digilibBaseUrl+"/dirInfo-xml.jsp?mo=dir&fn="+path
  441:     
  442:         logging.debug("documentViewer (getparamfromdigilib) dirInfo from %s"%(infoUrl))
  443:         
  444:         txt = getHttpData(infoUrl)
  445:         if txt is None:
  446:             raise IOError("Unable to get dir-info from %s"%(infoUrl))
  447: 
  448:         dom = Parse(txt)
  449:         sizes=dom.xpath("//dir/size")
  450:         logging.debug("documentViewer (getparamfromdigilib) dirInfo:size"%sizes)
  451:         
  452:         if sizes:
  453:             docinfo['numPages'] = int(getTextFromNode(sizes[0]))
  454:         else:
  455:             docinfo['numPages'] = 0
  456:             
  457:         # TODO: produce and keep list of image names and numbers
  458:                         
  459:         return docinfo
  460:     
  461:     def getIndexMetaPath(self,url):
  462:         """gib nur den Pfad zurueck"""
  463:         regexp = re.compile(r".*(experimental|permanent)/(.*)")
  464:         regpath = regexp.match(url)
  465:         if (regpath==None):
  466:             return ""
  467:         logging.debug("(getDomFromIndexMeta): URLXAXA: %s"%regpath.group(2))            
  468:         return ("/mpiwg/online/"+regpath.group(1)+"/"+regpath.group(2))
  469:      
  470:     
  471:     
  472:     def getIndexMetaUrl(self,url):
  473:         """returns utr  of index.meta document at url"""
  474:       
  475:         metaUrl = None
  476:         if url.startswith("http://"):
  477:             # real URL
  478:             metaUrl = url
  479:         else:
  480:             # online path
  481:             server=self.digilibBaseUrl+"/servlet/Texter?fn="
  482:             metaUrl=server+url.replace("/mpiwg/online","")
  483:             if not metaUrl.endswith("index.meta"):
  484:                 metaUrl += "/index.meta"
  485:         
  486:         return metaUrl
  487:     
  488:     def getDomFromIndexMeta(self, url):
  489:         """get dom from index meta"""
  490:         dom = None
  491:         metaUrl = self.getIndexMetaUrl(url)
  492:                 
  493:         logging.debug("(getDomFromIndexMeta): METAURL: %s"%metaUrl)
  494:         txt=getHttpData(metaUrl)
  495:         if txt is None:
  496:             raise IOError("Unable to read index meta from %s"%(url))
  497:         
  498:         dom = Parse(txt)
  499:         return dom
  500:     
  501:     def getPresentationInfoXML(self, url):
  502:         """returns dom of info.xml document at url"""
  503:         dom = None
  504:         metaUrl = None
  505:         if url.startswith("http://"):
  506:             # real URL
  507:             metaUrl = url
  508:         else:
  509:             # online path
  510:             server=self.digilibBaseUrl+"/servlet/Texter?fn="
  511:             metaUrl=server+url.replace("/mpiwg/online","")
  512:         
  513:         txt=getHttpData(metaUrl)
  514:         if txt is None:
  515:             raise IOError("Unable to read infoXMLfrom %s"%(url))
  516:             
  517:         dom = Parse(txt)
  518:         return dom
  519:                         
  520:         
  521:     def getAuthinfoFromIndexMeta(self,path,docinfo=None,dom=None,cut=0):
  522:         """gets authorization info from the index.meta file at path or given by dom"""
  523:         logging.debug("documentViewer (getauthinfofromindexmeta) path: %s"%(path))
  524:         
  525:         access = None
  526:         
  527:         if docinfo is None:
  528:             docinfo = {}
  529:             
  530:         if dom is None:
  531:             for x in range(cut):
  532:                 path=getParentDir(path)
  533:             dom = self.getDomFromIndexMeta(path)
  534:        
  535:         acctype = dom.xpath("//access-conditions/access/@type")
  536:         if acctype and (len(acctype)>0):
  537:             access=acctype[0].value
  538:             if access in ['group', 'institution']:
  539:                 access = getTextFromNode(dom.xpath("//access-conditions/access/name")[0]).lower()
  540:             
  541:         docinfo['accessType'] = access
  542:         return docinfo
  543:     
  544:         
  545:     def getBibinfoFromIndexMeta(self,path,docinfo=None,dom=None,cut=0):
  546:         """gets bibliographical info from the index.meta file at path or given by dom"""
  547:         logging.debug("documentViewer (getbibinfofromindexmeta) path: %s"%(path))
  548:         
  549:         if docinfo is None:
  550:             docinfo = {}
  551:         
  552:         if dom is None:
  553:             for x in range(cut):
  554:                 path=getParentDir(path)
  555:             dom = self.getDomFromIndexMeta(path)
  556:         
  557:         docinfo['indexMetaPath']=self.getIndexMetaPath(path);
  558:         
  559:         logging.debug("documentViewer (getbibinfofromindexmeta cutted) path: %s"%(path))
  560:         # put in all raw bib fields as dict "bib"
  561:         bib = dom.xpath("//bib/*")
  562:         if bib and len(bib)>0:
  563:             bibinfo = {}
  564:             for e in bib:
  565:                 bibinfo[e.localName] = getTextFromNode(e)
  566:             docinfo['bib'] = bibinfo
  567:         
  568:         # extract some fields (author, title, year) according to their mapping
  569:         metaData=self.metadata.main.meta.bib
  570:         bibtype=dom.xpath("//bib/@type")
  571:         if bibtype and (len(bibtype)>0):
  572:             bibtype=bibtype[0].value
  573:         else:
  574:             bibtype="generic"
  575:             
  576:         bibtype=bibtype.replace("-"," ") # wrong typesiin index meta "-" instead of " " (not wrong! ROC)
  577:         docinfo['bib_type'] = bibtype
  578:         bibmap=metaData.generateMappingForType(bibtype)
  579:         logging.debug("documentViewer (getbibinfofromindexmeta) bibmap:"+repr(bibmap))
  580:         logging.debug("documentViewer (getbibinfofromindexmeta) bibtype:"+repr(bibtype))
  581:         # if there is no mapping bibmap is empty (mapping sometimes has empty fields)
  582:         if len(bibmap) > 0 and len(bibmap['author'][0]) > 0:
  583:             try:
  584:                 docinfo['author']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['author'][0])[0])
  585:             except: pass
  586:             try:
  587:                 docinfo['title']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['title'][0])[0])
  588:             except: pass
  589:             try:
  590:                 docinfo['year']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['year'][0])[0])
  591:             except: pass
  592:             logging.debug("documentViewer (getbibinfofromindexmeta) using mapping for %s"%bibtype)
  593:             try:
  594:                 docinfo['lang']=getTextFromNode(dom.xpath("//bib/lang")[0])
  595:             except:
  596:                 docinfo['lang']=''
  597: 
  598:         return docinfo
  599:     
  600:      
  601:     def getNameFromIndexMeta(self,path,docinfo=None,dom=None,cut=0):
  602:         """gets name info from the index.meta file at path or given by dom"""
  603:         if docinfo is None:
  604:             docinfo = {}
  605:         
  606:         if dom is None:
  607:             for x in range(cut):
  608:                 path=getParentDir(path)
  609:             dom = self.getDomFromIndexMeta(path)
  610: 
  611:         docinfo['name']=getTextFromNode(dom.xpath("/resource/name")[0])
  612:         logging.debug("documentViewer docinfo[name] %s"%docinfo['name'])
  613:         return docinfo
  614:     
  615:     def getDocinfoFromTextTool(self, url, dom=None, docinfo=None):
  616:         """parse texttool tag in index meta"""
  617:         logging.debug("documentViewer (getdocinfofromtexttool) url: %s" % (url))
  618:         if docinfo is None:
  619:            docinfo = {}
  620:         if docinfo.get('lang', None) is None:
  621:             docinfo['lang'] = '' # default keine Sprache gesetzt
  622:         if dom is None:
  623:             dom = self.getDomFromIndexMeta(url)
  624:         
  625:         archivePath = None
  626:         archiveName = None
  627:     
  628:         archiveNames = dom.xpath("//resource/name")
  629:         if archiveNames and (len(archiveNames) > 0):
  630:             archiveName = getTextFromNode(archiveNames[0])
  631:         else:
  632:             logging.warning("documentViewer (getdocinfofromtexttool) resource/name missing in: %s" % (url))
  633:         
  634:         archivePaths = dom.xpath("//resource/archive-path")
  635:         if archivePaths and (len(archivePaths) > 0):
  636:             archivePath = getTextFromNode(archivePaths[0])
  637:             # clean up archive path
  638:             if archivePath[0] != '/':
  639:                 archivePath = '/' + archivePath
  640:             if archiveName and (not archivePath.endswith(archiveName)):
  641:                 archivePath += "/" + archiveName
  642:         else:
  643:             # try to get archive-path from url
  644:             logging.warning("documentViewer (getdocinfofromtexttool) resource/archive-path missing in: %s" % (url))
  645:             if (not url.startswith('http')):
  646:                 archivePath = url.replace('index.meta', '')
  647:                 
  648:         if archivePath is None:
  649:             # we balk without archive-path
  650:             raise IOError("Missing archive-path (for text-tool) in %s" % (url))
  651:         
  652:         imageDirs = dom.xpath("//texttool/image")
  653:         if imageDirs and (len(imageDirs) > 0):
  654:             imageDir = getTextFromNode(imageDirs[0])
  655:             
  656:         else:
  657:             # we balk with no image tag / not necessary anymore because textmode is now standard
  658:             #raise IOError("No text-tool info in %s"%(url))
  659:             imageDir = ""
  660:             #xquery="//pb"  
  661:             docinfo['imagePath'] = "" # keine Bilder
  662:             docinfo['imageURL'] = ""
  663:             
  664:         if imageDir and archivePath:
  665:             #print "image: ", imageDir, " archivepath: ", archivePath
  666:             imageDir = os.path.join(archivePath, imageDir)
  667:             imageDir = imageDir.replace("/mpiwg/online", '')
  668:             docinfo = self.getDirinfoFromDigilib(imageDir, docinfo=docinfo)
  669:             docinfo['imagePath'] = imageDir
  670:             
  671:             docinfo['imageURL'] = self.digilibBaseUrl + "/servlet/Scaler?fn=" + imageDir
  672:             
  673:         viewerUrls = dom.xpath("//texttool/digiliburlprefix")
  674:         if viewerUrls and (len(viewerUrls) > 0):
  675:             viewerUrl = getTextFromNode(viewerUrls[0])
  676:             docinfo['viewerURL'] = viewerUrl
  677:         
  678:         # old style text URL
  679:         textUrls = dom.xpath("//texttool/text")
  680:         if textUrls and (len(textUrls) > 0):
  681:             textUrl = getTextFromNode(textUrls[0])
  682:             if urlparse.urlparse(textUrl)[0] == "": #keine url
  683:                 textUrl = os.path.join(archivePath, textUrl) 
  684:             # fix URLs starting with /mpiwg/online
  685:             if textUrl.startswith("/mpiwg/online"):
  686:                 textUrl = textUrl.replace("/mpiwg/online", '', 1)
  687:             
  688:             docinfo['textURL'] = textUrl
  689:     
  690:         # new style text-url-path
  691:         textUrls = dom.xpath("//texttool/text-url-path")
  692:         if textUrls and (len(textUrls) > 0):
  693:             textUrl = getTextFromNode(textUrls[0])
  694:             docinfo['textURLPath'] = textUrl
  695:             #if not docinfo['imagePath']:
  696:                 # text-only, no page images
  697:                 #docinfo = self.getNumTextPages(docinfo)
  698:                   
  699:          
  700:         presentationUrls = dom.xpath("//texttool/presentation")
  701:         docinfo = self.getBibinfoFromIndexMeta(url, docinfo=docinfo, dom=dom)   # get info von bib tag
  702:         docinfo = self.getNameFromIndexMeta(url, docinfo=docinfo, dom=dom)
  703:         
  704:         
  705:         if presentationUrls and (len(presentationUrls) > 0): # ueberschreibe diese durch presentation informationen 
  706:              # presentation url ergiebt sich ersetzen von index.meta in der url der fuer die Metadaten
  707:              # durch den relativen Pfad auf die presentation infos
  708:             presentationPath = getTextFromNode(presentationUrls[0])
  709:             if url.endswith("index.meta"): 
  710:                 presentationUrl = url.replace('index.meta', presentationPath)
  711:             else:
  712:                 presentationUrl = url + "/" + presentationPath
  713:                 
  714:             docinfo = self.getBibinfoFromTextToolPresentation(presentationUrl, docinfo=docinfo, dom=dom)
  715:     
  716:         docinfo = self.getAuthinfoFromIndexMeta(url, docinfo=docinfo, dom=dom)   # get access info
  717:         
  718:         return docinfo
  719:    
  720:    
  721:     def getBibinfoFromTextToolPresentation(self,url,docinfo=None,dom=None):
  722:         """gets the bibliographical information from the preseantion entry in texttools
  723:         """
  724:         dom=self.getPresentationInfoXML(url)
  725:         try:
  726:             docinfo['author']=getTextFromNode(dom.xpath("//author")[0])
  727:         except:
  728:             pass
  729:         try:
  730:             docinfo['title']=getTextFromNode(dom.xpath("//title")[0])
  731:         except:
  732:             pass
  733:         try:
  734:             docinfo['year']=getTextFromNode(dom.xpath("//date")[0])
  735:         except:
  736:             pass
  737:         return docinfo
  738:     
  739:     def getDocinfoFromImagePath(self,path,docinfo=None,cut=0):
  740:         """path ist the path to the images it assumes that the index.meta file is one level higher."""
  741:         logging.debug("documentViewer (getdocinfofromimagepath) path: %s"%(path))
  742:         if docinfo is None:
  743:             docinfo = {}
  744:         path=path.replace("/mpiwg/online","")
  745:         docinfo['imagePath'] = path
  746:         docinfo=self.getDirinfoFromDigilib(path,docinfo=docinfo,cut=cut)
  747:         
  748:         pathorig=path
  749:         for x in range(cut):       
  750:                 path=getParentDir(path)
  751:         logging.debug("documentViewer (getdocinfofromimagepath) PATH:"+path)
  752:         imageUrl=self.digilibBaseUrl+"/servlet/Scaler?fn="+path
  753:         docinfo['imageURL'] = imageUrl
  754:         
  755:         #path ist the path to the images it assumes that the index.meta file is one level higher.
  756:         docinfo = self.getBibinfoFromIndexMeta(pathorig,docinfo=docinfo,cut=cut+1)
  757:         docinfo = self.getAuthinfoFromIndexMeta(pathorig,docinfo=docinfo,cut=cut+1)
  758:         return docinfo
  759:     
  760:     
  761:     def getDocinfo(self, mode, url):
  762:         """returns docinfo depending on mode"""
  763:         logging.debug("documentViewer (getdocinfo) mode: %s, url: %s"%(mode,url))
  764:         # look for cached docinfo in session
  765:         if self.REQUEST.SESSION.has_key('docinfo'):
  766:             docinfo = self.REQUEST.SESSION['docinfo']
  767:             # check if its still current
  768:             if docinfo is not None and docinfo.get('mode') == mode and docinfo.get('url') == url:
  769:                 logging.debug("documentViewer (getdocinfo) docinfo in session: %s"%docinfo)
  770:                 return docinfo
  771:         # new docinfo
  772:         docinfo = {'mode': mode, 'url': url}
  773:         if mode=="texttool": #index.meta with texttool information
  774:             docinfo = self.getDocinfoFromTextTool(url, docinfo=docinfo)
  775:         elif mode=="imagepath":
  776:             docinfo = self.getDocinfoFromImagePath(url, docinfo=docinfo)
  777:         elif mode=="filepath":
  778:             docinfo = self.getDocinfoFromImagePath(url, docinfo=docinfo,cut=1)
  779:         else:
  780:             logging.error("documentViewer (getdocinfo) unknown mode: %s!"%mode)
  781:             raise ValueError("Unknown mode %s! Has to be one of 'texttool','imagepath','filepath'."%(mode))
  782:                 
  783:         # FIXME: fake texturlpath 
  784:         if not docinfo.has_key('textURLPath'):
  785:             docinfo['textURLPath'] = None
  786:         
  787:         logging.debug("documentViewer (getdocinfo) docinfo: %s"%docinfo)
  788:         #logging.debug("documentViewer (getdocinfo) docinfo: %s"%)
  789:         self.REQUEST.SESSION['docinfo'] = docinfo
  790:         return docinfo
  791:                
  792:     def getPageinfo(self, current, start=None, rows=None, cols=None, docinfo=None, viewMode=None, tocMode=None):
  793:         """returns pageinfo with the given parameters"""
  794:         pageinfo = {}
  795:         current = getInt(current)
  796:     
  797:         pageinfo['current'] = current
  798:         rows = int(rows or self.thumbrows)
  799:         pageinfo['rows'] = rows
  800:         cols = int(cols or self.thumbcols)
  801:         pageinfo['cols'] = cols
  802:         grpsize = cols * rows
  803:         pageinfo['groupsize'] = grpsize
  804:         start = getInt(start, default=(math.ceil(float(current)/float(grpsize))*grpsize-(grpsize-1)))
  805:         # int(current / grpsize) * grpsize +1))
  806:         pageinfo['start'] = start
  807:         pageinfo['end'] = start + grpsize
  808:         if (docinfo is not None) and ('numPages' in docinfo):
  809:             np = int(docinfo['numPages'])
  810:             pageinfo['end'] = min(pageinfo['end'], np)
  811:             pageinfo['numgroups'] = int(np / grpsize)
  812:             if np % grpsize > 0:
  813:                 pageinfo['numgroups'] += 1        
  814:         pageinfo['viewMode'] = viewMode
  815:         pageinfo['tocMode'] = tocMode
  816:         pageinfo['characterNormalization'] = self.REQUEST.get('characterNormalization','reg')
  817:         pageinfo['optionToggle'] = self.REQUEST.get('optionToggle','')
  818:         pageinfo['query'] = self.REQUEST.get('query','') 
  819:         pageinfo['queryType'] = self.REQUEST.get('queryType','')
  820:         pageinfo['querySearch'] =self.REQUEST.get('querySearch', 'fulltext')
  821:         pageinfo['textPN'] = self.REQUEST.get('textPN','1')
  822:         pageinfo['highlightQuery'] = self.REQUEST.get('highlightQuery','')
  823:         pageinfo['tocPageSize'] = self.REQUEST.get('tocPageSize', '30')
  824:         pageinfo['queryPageSize'] =self.REQUEST.get('queryPageSize', '10')
  825:         pageinfo['tocPN'] = self.REQUEST.get('tocPN', '1')
  826:         
  827:         toc = int (pageinfo['tocPN'])
  828:         pageinfo['textPages'] =int (toc)
  829:         
  830:         
  831:         
  832:         if 'tocSize_%s'%tocMode in docinfo:
  833:             tocSize = int(docinfo['tocSize_%s'%tocMode])
  834:             tocPageSize = int(pageinfo['tocPageSize'])
  835:             # cached toc           
  836:             if tocSize%tocPageSize>0:
  837:                 tocPages=tocSize/tocPageSize+1
  838:             else:
  839:                 tocPages=tocSize/tocPageSize
  840:             pageinfo['tocPN'] = min (tocPages,toc)                    
  841:         pageinfo['searchPN'] =self.REQUEST.get('searchPN','1')
  842:         pageinfo['sn'] =self.REQUEST.get('sn','')
  843:         return pageinfo
  844:     
  845: def changeDocumentViewer(self,title="",digilibBaseUrl=None,thumbrows=2,thumbcols=5,authgroups='mpiwg',RESPONSE=None):
  846:         """init document viewer"""
  847:         self.title=title
  848:         self.digilibBaseUrl = digilibBaseUrl
  849:         self.thumbrows = thumbrows
  850:         self.thumbcols = thumbcols
  851:         self.authgroups = [s.strip().lower() for s in authgroups.split(',')]
  852:         if RESPONSE is not None:
  853:             RESPONSE.redirect('manage_main')
  854:         
  855: def manage_AddDocumentViewerForm(self):
  856:     """add the viewer form"""
  857:     pt=PageTemplateFile('zpt/addDocumentViewer', globals()).__of__(self)
  858:     return pt()
  859:   
  860: def manage_AddDocumentViewer(self,id,imageScalerUrl="",textServerName="",title="",RESPONSE=None):
  861:     """add the viewer"""
  862:     newObj=documentViewer(id,imageScalerUrl=imageScalerUrl,title=title,textServerName=textServerName)
  863:     self._setObject(id,newObj)
  864:     
  865:     if RESPONSE is not None:
  866:         RESPONSE.redirect('manage_main')
  867: 
  868: ## DocumentViewerTemplate class
  869: class DocumentViewerTemplate(ZopePageTemplate):
  870:     """Template for document viewer"""
  871:     meta_type="DocumentViewer Template"
  872: 
  873: 
  874: def manage_addDocumentViewerTemplateForm(self):
  875:     """Form for adding"""
  876:     pt=PageTemplateFile('zpt/addDocumentViewerTemplate', globals()).__of__(self)
  877:     return pt()
  878: 
  879: def manage_addDocumentViewerTemplate(self, id='viewer_main', title=None, text=None,
  880:                            REQUEST=None, submit=None):
  881:     "Add a Page Template with optional file content."
  882: 
  883:     self._setObject(id, DocumentViewerTemplate(id))
  884:     ob = getattr(self, id)
  885:     txt=file(os.path.join(package_home(globals()),'zpt/viewer_main.zpt'),'r').read()
  886:     logging.info("txt %s:"%txt)
  887:     ob.pt_edit(txt,"text/html")
  888:     if title:
  889:         ob.pt_setTitle(title)
  890:     try:
  891:         u = self.DestinationURL()
  892:     except AttributeError:
  893:         u = REQUEST['URL1']
  894:         
  895:     u = "%s/%s" % (u, urllib.quote(id))
  896:     REQUEST.RESPONSE.redirect(u+'/manage_main')
  897:     return ''
  898: 
  899: 
  900:     

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