Annotation of documentViewer/documentViewer.py, revision 1.164

1.18      dwinter     1: 
1.1       dwinter     2: from OFS.Folder import Folder
                      3: from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate
1.22      dwinter     4: from Products.PageTemplates.PageTemplateFile import PageTemplateFile 
1.1       dwinter     5: from AccessControl import ClassSecurityInfo
1.8       casties     6: from AccessControl import getSecurityManager
1.1       dwinter     7: from Globals import package_home
1.119     abukhman    8: from Products.zogiLib.zogiLib import browserCheck
1.1       dwinter     9: 
1.70      casties    10: from Ft.Xml import EMPTY_NAMESPACE, Parse
1.73      casties    11: import Ft.Xml.Domlette
1.1       dwinter    12: import os.path
1.7       casties    13: import sys
1.1       dwinter    14: import urllib
1.70      casties    15: import urllib2
1.20      dwinter    16: import logging
1.28      casties    17: import math
1.18      dwinter    18: import urlparse 
1.70      casties    19: import cStringIO
1.99      dwinter    20: import re
1.149     abukhman   21: import string
1.117     abukhman   22: 
1.22      dwinter    23: def logger(txt,method,txt2):
                     24:     """logging"""
                     25:     logging.info(txt+ txt2)
                     26:     
                     27:     
1.4       casties    28: def getInt(number, default=0):
                     29:     """returns always an int (0 in case of problems)"""
                     30:     try:
                     31:         return int(number)
                     32:     except:
1.29      casties    33:         return int(default)
1.4       casties    34: 
1.1       dwinter    35: def getTextFromNode(nodename):
1.18      dwinter    36:     """get the cdata content of a node"""
1.8       casties    37:     if nodename is None:
                     38:         return ""
1.1       dwinter    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: 
1.43      casties    46: def serializeNode(node, encoding='utf-8'):
                     47:     """returns a string containing node as XML"""
                     48:     buf = cStringIO.StringIO()
1.75      casties    49:     Ft.Xml.Domlette.Print(node, stream=buf, encoding=encoding)
1.43      casties    50:     s = buf.getvalue()
                     51:     buf.close()
                     52:     return s
                     53: 
1.148     abukhman   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
1.118     abukhman   80: 
                     81:        
1.9       casties    82: def getParentDir(path):
                     83:     """returns pathname shortened by one"""
                     84:     return '/'.join(path.split('/')[0:-1])
                     85:         
                     86: 
1.70      casties    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:
1.95      abukhman  101:             logging.debug("getHttpData(#%s %ss) url=%s"%(cnt+1,timeout,url))
1.70      casties   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:
1.95      abukhman  112:             logging.error("getHttpData: HTTP error(%s): %s"%(e.code,e))
1.70      casties   113:             errmsg = str(e)
                    114:             # stop trying
                    115:             break
                    116:         except urllib2.URLError, e:
1.95      abukhman  117:             logging.error("getHttpData: URLLIB error(%s): %s"%(e.reason,e))
1.70      casties   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
1.1       dwinter   129: 
                    130: 
                    131: 
1.3       casties   132: ##
                    133: ## documentViewer class
                    134: ##
                    135: class documentViewer(Folder):
1.1       dwinter   136:     """document viewer"""
                    137:     meta_type="Document viewer"
                    138:     
                    139:     security=ClassSecurityInfo()
1.3       casties   140:     manage_options=Folder.manage_options+(
1.1       dwinter   141:         {'label':'main config','action':'changeDocumentViewerForm'},
                    142:         )
                    143: 
1.3       casties   144:     # templates and forms
                    145:     viewer_main = PageTemplateFile('zpt/viewer_main', globals())
1.44      casties   146:     toc_thumbs = PageTemplateFile('zpt/toc_thumbs', globals())
                    147:     toc_text = PageTemplateFile('zpt/toc_text', globals())
                    148:     toc_figures = PageTemplateFile('zpt/toc_figures', globals())
1.43      casties   149:     page_main_images = PageTemplateFile('zpt/page_main_images', globals())
1.161     abukhman  150:     page_main_double = PageTemplateFile('zpt/page_main_double', globals())
1.43      casties   151:     page_main_text = PageTemplateFile('zpt/page_main_text', globals())
1.44      casties   152:     page_main_text_dict = PageTemplateFile('zpt/page_main_text_dict', globals())
1.77      abukhman  153:     page_main_gis =PageTemplateFile ('zpt/page_main_gis', globals())
1.48      abukhman  154:     page_main_xml = PageTemplateFile('zpt/page_main_xml', globals())
1.157     abukhman  155:     page_main_pureXml = PageTemplateFile('zpt/page_main_pureXml', globals())
1.3       casties   156:     head_main = PageTemplateFile('zpt/head_main', globals())
                    157:     docuviewer_css = PageTemplateFile('css/docuviewer.css', globals())
1.26      casties   158:     info_xml = PageTemplateFile('zpt/info_xml', globals())
1.70      casties   159:     
                    160:     
1.32      dwinter   161:     thumbs_main_rss = PageTemplateFile('zpt/thumbs_main_rss', globals())
1.3       casties   162:     security.declareProtected('View management screens','changeDocumentViewerForm')    
                    163:     changeDocumentViewerForm = PageTemplateFile('zpt/changeDocumentViewer', globals())
                    164: 
1.1       dwinter   165:     
1.45      abukhman  166:     def __init__(self,id,imageScalerUrl=None,textServerName=None,title="",digilibBaseUrl=None,thumbcols=2,thumbrows=5,authgroups="mpiwg"):
1.1       dwinter   167:         """init document viewer"""
                    168:         self.id=id
                    169:         self.title=title
1.4       casties   170:         self.thumbcols = thumbcols
                    171:         self.thumbrows = thumbrows
1.8       casties   172:         # authgroups is list of authorized groups (delimited by ,)
                    173:         self.authgroups = [s.strip().lower() for s in authgroups.split(',')]
1.43      casties   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:
1.70      casties   180:             import MpdlXmlTextServer
1.71      casties   181:             textServer = MpdlXmlTextServer.MpdlXmlTextServer(id='fulltextclient',serverName=textServerName)
1.43      casties   182:             #templateFolder['fulltextclient'] = xmlRpcClient
1.70      casties   183:             templateFolder._setObject('fulltextclient',textServer)
1.43      casties   184:         except Exception, e:
1.70      casties   185:             logging.error("Unable to create MpdlXmlTextServer for fulltextclient: "+str(e))
1.43      casties   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:         
1.70      casties   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):
1.163     abukhman  201:         """get query in search"""
1.70      casties   202:         return self.template.fulltextclient.getQuery(**args)
1.163     abukhman  203:      
1.70      casties   204:     def getSearch(self, **args):
                    205:         """get search"""
                    206:         return self.template.fulltextclient.getSearch(**args)
1.120     abukhman  207:     
                    208:     def getGisPlaces(self, **args):
1.121     abukhman  209:         """get gis places"""
1.120     abukhman  210:         return self.template.fulltextclient.getGisPlaces(**args)
1.121     abukhman  211:  
                    212:     def getAllGisPlaces(self, **args):
1.122     abukhman  213:         """get all gis places """
                    214:         return self.template.fulltextclient.getAllGisPlaces(**args)
1.163     abukhman  215:        
1.70      casties   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)
1.3       casties   231: 
1.70      casties   232:     
1.32      dwinter   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:         '''
1.95      abukhman  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))
1.32      dwinter   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)
1.132     abukhman  253:         #pageinfo = self.getPageinfo(start=start,current=pn,docinfo=docinfo)
1.138     abukhman  254:         pageinfo = self.getPageinfo(start=start,current=pn, docinfo=docinfo)
1.126     abukhman  255:         ''' ZDES '''
1.32      dwinter   256:         pt = getattr(self.template, 'thumbs_main_rss')
                    257:         
                    258:         if viewMode=="auto": # automodus gewaehlt
1.159     casties   259:             if docinfo.has_key("textURL") or docinfo.get('textURLPath',None): #texturl gesetzt und textViewer konfiguriert
1.32      dwinter   260:                 viewMode="text"
                    261:             else:
                    262:                 viewMode="images"
                    263:                
                    264:         return pt(docinfo=docinfo,pageinfo=pageinfo,viewMode=viewMode)
                    265:   
1.3       casties   266:     security.declareProtected('View','index_html')
1.158     casties   267:     def index_html(self,url,mode="texttool",viewMode="auto",tocMode="thumbs",start=None,pn=1,mk=None):
1.3       casties   268:         '''
                    269:         view it
1.26      casties   270:         @param mode: defines how to access the document behind url 
1.3       casties   271:         @param url: url which contains display information
1.44      casties   272:         @param viewMode: if images display images, if text display text, default is auto (text,images or auto)
1.48      abukhman  273:         @param tocMode: type of 'table of contents' for navigation (thumbs, text, figures, none)
1.78      abukhman  274:         @param characterNormalization type of text display (reg, norm, none)
1.49      abukhman  275:         @param querySearch: type of different search modes (fulltext, fulltextMorph, xpath, xquery, ftIndex, ftIndexMorph, fulltextMorphLemma)
1.3       casties   276:         '''
                    277:         
1.138     abukhman  278:         logging.debug("documentViewer (index) mode: %s url:%s start:%s pn:%s"%(mode,url,start,pn))
1.1       dwinter   279:         
1.3       casties   280:         if not hasattr(self, 'template'):
1.43      casties   281:             # this won't work
                    282:             logging.error("template folder missing!")
                    283:             return "ERROR: template folder missing!"
1.3       casties   284:             
1.43      casties   285:         if not getattr(self, 'digilibBaseUrl', None):
1.71      casties   286:             self.digilibBaseUrl = self.findDigilibUrl() or "http://digilib.mpiwg-berlin.mpg.de/digitallibrary"
1.3       casties   287:             
1.4       casties   288:         docinfo = self.getDocinfo(mode=mode,url=url)
1.47      abukhman  289:         
1.44      casties   290:         if tocMode != "thumbs":
                    291:             # get table of contents
                    292:             docinfo = self.getToc(mode=tocMode, docinfo=docinfo)
1.47      abukhman  293:             
1.21      dwinter   294:         if viewMode=="auto": # automodus gewaehlt
1.159     casties   295:             if docinfo.has_key('textURL') or docinfo.get('textURLPath',None): #texturl gesetzt und textViewer konfiguriert
1.68      casties   296:                 viewMode="text_dict"
1.21      dwinter   297:             else:
                    298:                 viewMode="images"
1.44      casties   299:                 
1.138     abukhman  300:         pageinfo = self.getPageinfo(start=start,current=pn, docinfo=docinfo,viewMode=viewMode,tocMode=tocMode)
1.68      casties   301:         
1.163     abukhman  302:         if (docinfo.get('textURLPath',None)):
                    303:             page = self.getTextPage(docinfo=docinfo, pageinfo=pageinfo)
                    304:             pageinfo['textPage'] = page
1.44      casties   305:         pt = getattr(self.template, 'viewer_main')               
1.37      dwinter   306:         return pt(docinfo=docinfo,pageinfo=pageinfo,viewMode=viewMode,mk=self.generateMarks(mk))
1.1       dwinter   307:   
1.36      dwinter   308:     def generateMarks(self,mk):
                    309:         ret=""
1.44      casties   310:         if mk is None:
                    311:             return ""
1.73      casties   312:         if not isinstance(mk, list):
1.71      casties   313:             mk=[mk]
1.36      dwinter   314:         for m in mk:
1.37      dwinter   315:             ret+="mk=%s"%m
1.36      dwinter   316:         return ret
1.149     abukhman  317:     
                    318:     
1.148     abukhman  319:     def getBrowser(self):
                    320:         """getBrowser the version of browser """
1.162     casties   321:         bt = browserCheck(self)
1.164   ! abukhman  322:         logging.debug("BROWSER VERSION: %s"%(bt))
1.162     casties   323:         return bt
1.148     abukhman  324:         
1.43      casties   325:     def findDigilibUrl(self):
                    326:         """try to get the digilib URL from zogilib"""
                    327:         url = self.template.zogilib.getDLBaseUrl()
                    328:         return url
1.67      casties   329: 
                    330:     def getDocumentViewerURL(self):
                    331:         """returns the URL of this instance"""
                    332:         return self.absolute_url()
1.43      casties   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
1.36      dwinter   341:     
1.162     casties   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
1.4       casties   347:         if param is not None:
1.7       casties   348:             if val is None:
1.162     casties   349:                 if urlParams.has_key(param):
                    350:                     del urlParams[param]
1.4       casties   351:             else:
1.162     casties   352:                 urlParams[param] = str(val)
1.43      casties   353:                 
1.162     casties   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"])
1.7       casties   370:                 
1.162     casties   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)
1.4       casties   378:         return url
                    379: 
1.162     casties   380: 
                    381:     def getLinkAmp(self, param=None, val=None, params=None, baseUrl=None):
1.32      dwinter   382:         """link to documentviewer with parameter param set to val"""
1.162     casties   383:         return self.getLink(param, val, params, baseUrl, '&amp;')
1.40      casties   384:     
1.26      casties   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: 
1.153     casties   395:     def getOptionToggle(self, newState=None, optionName='text_options_open', initialState=True):
                    396:         """returns new option state"""
1.155     casties   397:         if not self.REQUEST.SESSION.has_key(optionName):
1.153     casties   398:             # not in session -- initial
                    399:             opt = {'lastState': newState, 'state': initialState}
                    400:         else:
1.155     casties   401:             opt = self.REQUEST.SESSION.get(optionName)
1.153     casties   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']
1.4       casties   409:     
1.9       casties   410:     def isAccessible(self, docinfo):
1.8       casties   411:         """returns if access to the resource is granted"""
                    412:         access = docinfo.get('accessType', None)
1.95      abukhman  413:         logging.debug("documentViewer (accessOK) access type %s"%access)
1.17      casties   414:         if access is not None and access == 'free':
1.95      abukhman  415:             logging.debug("documentViewer (accessOK) access is free")
1.8       casties   416:             return True
1.17      casties   417:         elif access is None or access in self.authgroups:
1.9       casties   418:             # only local access -- only logged in users
                    419:             user = getSecurityManager().getUser()
1.95      abukhman  420:             logging.debug("documentViewer (accessOK) user=%s ip=%s"%(user,self.REQUEST.getClientAddr()))
1.9       casties   421:             if user is not None:
                    422:                 #print "user: ", user
                    423:                 return (user.getUserName() != "Anonymous User")
                    424:             else:
                    425:                 return False
1.8       casties   426:         
1.95      abukhman  427:         logging.error("documentViewer (accessOK) unknown access type %s"%access)
1.8       casties   428:         return False
1.9       casties   429:     
1.8       casties   430:                 
1.35      dwinter   431:     def getDirinfoFromDigilib(self,path,docinfo=None,cut=0):
1.6       casties   432:         """gibt param von dlInfo aus"""
1.7       casties   433:         if docinfo is None:
                    434:             docinfo = {}
1.35      dwinter   435:         
                    436:         for x in range(cut):
1.38      dwinter   437:                
1.35      dwinter   438:                 path=getParentDir(path)
1.38      dwinter   439:        
1.13      casties   440:         infoUrl=self.digilibBaseUrl+"/dirInfo-xml.jsp?mo=dir&fn="+path
1.6       casties   441:     
1.95      abukhman  442:         logging.debug("documentViewer (getparamfromdigilib) dirInfo from %s"%(infoUrl))
1.6       casties   443:         
1.70      casties   444:         txt = getHttpData(infoUrl)
                    445:         if txt is None:
1.13      casties   446:             raise IOError("Unable to get dir-info from %s"%(infoUrl))
1.70      casties   447: 
                    448:         dom = Parse(txt)
1.10      casties   449:         sizes=dom.xpath("//dir/size")
1.95      abukhman  450:         logging.debug("documentViewer (getparamfromdigilib) dirInfo:size"%sizes)
1.6       casties   451:         
1.10      casties   452:         if sizes:
                    453:             docinfo['numPages'] = int(getTextFromNode(sizes[0]))
1.7       casties   454:         else:
                    455:             docinfo['numPages'] = 0
1.43      casties   456:             
                    457:         # TODO: produce and keep list of image names and numbers
1.7       casties   458:                         
                    459:         return docinfo
1.8       casties   460:     
1.99      dwinter   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 ""
1.110     abukhman  467:         logging.debug("(getDomFromIndexMeta): URLXAXA: %s"%regpath.group(2))            
1.99      dwinter   468:         return ("/mpiwg/online/"+regpath.group(1)+"/"+regpath.group(2))
                    469:      
1.111     abukhman  470:     
                    471:     
1.99      dwinter   472:     def getIndexMetaUrl(self,url):
                    473:         """returns utr  of index.meta document at url"""
                    474:       
1.12      casties   475:         metaUrl = None
1.9       casties   476:         if url.startswith("http://"):
                    477:             # real URL
1.12      casties   478:             metaUrl = url
1.9       casties   479:         else:
                    480:             # online path
                    481:             server=self.digilibBaseUrl+"/servlet/Texter?fn="
1.13      casties   482:             metaUrl=server+url.replace("/mpiwg/online","")
1.9       casties   483:             if not metaUrl.endswith("index.meta"):
                    484:                 metaUrl += "/index.meta"
1.99      dwinter   485:         
                    486:         return metaUrl
                    487:     
                    488:     def getDomFromIndexMeta(self, url):
                    489:         """get dom from index meta"""
                    490:         dom = None
                    491:         metaUrl = self.getIndexMetaUrl(url)
1.12      casties   492:                 
1.99      dwinter   493:         logging.debug("(getDomFromIndexMeta): METAURL: %s"%metaUrl)
1.70      casties   494:         txt=getHttpData(metaUrl)
                    495:         if txt is None:
1.12      casties   496:             raise IOError("Unable to read index meta from %s"%(url))
1.70      casties   497:         
                    498:         dom = Parse(txt)
1.9       casties   499:         return dom
1.20      dwinter   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:         
1.70      casties   513:         txt=getHttpData(metaUrl)
                    514:         if txt is None:
1.20      dwinter   515:             raise IOError("Unable to read infoXMLfrom %s"%(url))
1.70      casties   516:             
                    517:         dom = Parse(txt)
1.20      dwinter   518:         return dom
1.9       casties   519:                         
                    520:         
1.33      dwinter   521:     def getAuthinfoFromIndexMeta(self,path,docinfo=None,dom=None,cut=0):
1.9       casties   522:         """gets authorization info from the index.meta file at path or given by dom"""
1.95      abukhman  523:         logging.debug("documentViewer (getauthinfofromindexmeta) path: %s"%(path))
1.8       casties   524:         
                    525:         access = None
                    526:         
                    527:         if docinfo is None:
                    528:             docinfo = {}
                    529:             
                    530:         if dom is None:
1.38      dwinter   531:             for x in range(cut):
1.33      dwinter   532:                 path=getParentDir(path)
1.99      dwinter   533:             dom = self.getDomFromIndexMeta(path)
1.18      dwinter   534:        
1.8       casties   535:         acctype = dom.xpath("//access-conditions/access/@type")
                    536:         if acctype and (len(acctype)>0):
                    537:             access=acctype[0].value
1.9       casties   538:             if access in ['group', 'institution']:
1.8       casties   539:                 access = getTextFromNode(dom.xpath("//access-conditions/access/name")[0]).lower()
                    540:             
                    541:         docinfo['accessType'] = access
                    542:         return docinfo
1.6       casties   543:     
1.8       casties   544:         
1.33      dwinter   545:     def getBibinfoFromIndexMeta(self,path,docinfo=None,dom=None,cut=0):
1.9       casties   546:         """gets bibliographical info from the index.meta file at path or given by dom"""
1.95      abukhman  547:         logging.debug("documentViewer (getbibinfofromindexmeta) path: %s"%(path))
1.2       dwinter   548:         
1.3       casties   549:         if docinfo is None:
                    550:             docinfo = {}
1.38      dwinter   551:         
1.3       casties   552:         if dom is None:
1.38      dwinter   553:             for x in range(cut):
1.33      dwinter   554:                 path=getParentDir(path)
1.99      dwinter   555:             dom = self.getDomFromIndexMeta(path)
                    556:         
                    557:         docinfo['indexMetaPath']=self.getIndexMetaPath(path);
1.39      dwinter   558:         
1.95      abukhman  559:         logging.debug("documentViewer (getbibinfofromindexmeta cutted) path: %s"%(path))
1.27      casties   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
1.4       casties   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
1.2       dwinter   573:         else:
1.4       casties   574:             bibtype="generic"
1.27      casties   575:             
1.4       casties   576:         bibtype=bibtype.replace("-"," ") # wrong typesiin index meta "-" instead of " " (not wrong! ROC)
1.27      casties   577:         docinfo['bib_type'] = bibtype
1.4       casties   578:         bibmap=metaData.generateMappingForType(bibtype)
1.99      dwinter   579:         logging.debug("documentViewer (getbibinfofromindexmeta) bibmap:"+repr(bibmap))
                    580:         logging.debug("documentViewer (getbibinfofromindexmeta) bibtype:"+repr(bibtype))
1.8       casties   581:         # if there is no mapping bibmap is empty (mapping sometimes has empty fields)
1.7       casties   582:         if len(bibmap) > 0 and len(bibmap['author'][0]) > 0:
1.30      casties   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
1.95      abukhman  592:             logging.debug("documentViewer (getbibinfofromindexmeta) using mapping for %s"%bibtype)
1.22      dwinter   593:             try:
                    594:                 docinfo['lang']=getTextFromNode(dom.xpath("//bib/lang")[0])
                    595:             except:
                    596:                 docinfo['lang']=''
1.113     abukhman  597: 
1.3       casties   598:         return docinfo
1.42      abukhman  599:     
1.104     abukhman  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)
1.125     abukhman  610: 
1.115     abukhman  611:         docinfo['name']=getTextFromNode(dom.xpath("/resource/name")[0])
1.116     abukhman  612:         logging.debug("documentViewer docinfo[name] %s"%docinfo['name'])
1.104     abukhman  613:         return docinfo
1.42      abukhman  614:     
1.43      casties   615:     def getDocinfoFromTextTool(self, url, dom=None, docinfo=None):
                    616:         """parse texttool tag in index meta"""
1.95      abukhman  617:         logging.debug("documentViewer (getdocinfofromtexttool) url: %s" % (url))
1.43      casties   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:
1.99      dwinter   623:             dom = self.getDomFromIndexMeta(url)
1.43      casties   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:
1.70      casties   632:             logging.warning("documentViewer (getdocinfofromtexttool) resource/name missing in: %s" % (url))
1.43      casties   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
1.95      abukhman  644:             logging.warning("documentViewer (getdocinfofromtexttool) resource/archive-path missing in: %s" % (url))
1.43      casties   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
1.70      casties   677:         
                    678:         # old style text URL
1.43      casties   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:     
1.70      casties   690:         # new style text-url-path
1.43      casties   691:         textUrls = dom.xpath("//texttool/text-url-path")
                    692:         if textUrls and (len(textUrls) > 0):
                    693:             textUrl = getTextFromNode(textUrls[0])
1.51      casties   694:             docinfo['textURLPath'] = textUrl
1.163     abukhman  695:             #if not docinfo['imagePath']:
1.51      casties   696:                 # text-only, no page images
1.163     abukhman  697:                 #docinfo = self.getNumTextPages(docinfo)
                    698:                   
1.43      casties   699:          
                    700:         presentationUrls = dom.xpath("//texttool/presentation")
                    701:         docinfo = self.getBibinfoFromIndexMeta(url, docinfo=docinfo, dom=dom)   # get info von bib tag
1.114     abukhman  702:         docinfo = self.getNameFromIndexMeta(url, docinfo=docinfo, dom=dom)
1.147     abukhman  703:         
1.43      casties   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
1.51      casties   713:                 
1.43      casties   714:             docinfo = self.getBibinfoFromTextToolPresentation(presentationUrl, docinfo=docinfo, dom=dom)
                    715:     
                    716:         docinfo = self.getAuthinfoFromIndexMeta(url, docinfo=docinfo, dom=dom)   # get access info
1.3       casties   717:         
1.43      casties   718:         return docinfo
1.3       casties   719:    
1.20      dwinter   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)
1.29      casties   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
1.20      dwinter   737:         return docinfo
                    738:     
1.33      dwinter   739:     def getDocinfoFromImagePath(self,path,docinfo=None,cut=0):
1.3       casties   740:         """path ist the path to the images it assumes that the index.meta file is one level higher."""
1.95      abukhman  741:         logging.debug("documentViewer (getdocinfofromimagepath) path: %s"%(path))
1.3       casties   742:         if docinfo is None:
                    743:             docinfo = {}
1.6       casties   744:         path=path.replace("/mpiwg/online","")
1.3       casties   745:         docinfo['imagePath'] = path
1.35      dwinter   746:         docinfo=self.getDirinfoFromDigilib(path,docinfo=docinfo,cut=cut)
1.38      dwinter   747:         
1.39      dwinter   748:         pathorig=path
1.38      dwinter   749:         for x in range(cut):       
                    750:                 path=getParentDir(path)
1.95      abukhman  751:         logging.debug("documentViewer (getdocinfofromimagepath) PATH:"+path)
1.7       casties   752:         imageUrl=self.digilibBaseUrl+"/servlet/Scaler?fn="+path
1.3       casties   753:         docinfo['imageURL'] = imageUrl
                    754:         
1.39      dwinter   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)
1.3       casties   758:         return docinfo
                    759:     
1.2       dwinter   760:     
1.3       casties   761:     def getDocinfo(self, mode, url):
                    762:         """returns docinfo depending on mode"""
1.95      abukhman  763:         logging.debug("documentViewer (getdocinfo) mode: %s, url: %s"%(mode,url))
1.3       casties   764:         # look for cached docinfo in session
1.21      dwinter   765:         if self.REQUEST.SESSION.has_key('docinfo'):
1.3       casties   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:
1.95      abukhman  769:                 logging.debug("documentViewer (getdocinfo) docinfo in session: %s"%docinfo)
1.3       casties   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)
1.33      dwinter   777:         elif mode=="filepath":
1.37      dwinter   778:             docinfo = self.getDocinfoFromImagePath(url, docinfo=docinfo,cut=1)
1.3       casties   779:         else:
1.95      abukhman  780:             logging.error("documentViewer (getdocinfo) unknown mode: %s!"%mode)
1.44      casties   781:             raise ValueError("Unknown mode %s! Has to be one of 'texttool','imagepath','filepath'."%(mode))
1.159     casties   782:                 
                    783:         # FIXME: fake texturlpath 
                    784:         if not docinfo.has_key('textURLPath'):
                    785:             docinfo['textURLPath'] = None
                    786:         
1.95      abukhman  787:         logging.debug("documentViewer (getdocinfo) docinfo: %s"%docinfo)
1.142     abukhman  788:         #logging.debug("documentViewer (getdocinfo) docinfo: %s"%)
1.3       casties   789:         self.REQUEST.SESSION['docinfo'] = docinfo
                    790:         return docinfo
1.69      abukhman  791:                
1.158     casties   792:     def getPageinfo(self, current, start=None, rows=None, cols=None, docinfo=None, viewMode=None, tocMode=None):
1.3       casties   793:         """returns pageinfo with the given parameters"""
                    794:         pageinfo = {}
1.4       casties   795:         current = getInt(current)
1.132     abukhman  796:     
1.4       casties   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
1.28      casties   804:         start = getInt(start, default=(math.ceil(float(current)/float(grpsize))*grpsize-(grpsize-1)))
                    805:         # int(current / grpsize) * grpsize +1))
1.3       casties   806:         pageinfo['start'] = start
1.4       casties   807:         pageinfo['end'] = start + grpsize
1.44      casties   808:         if (docinfo is not None) and ('numPages' in docinfo):
1.4       casties   809:             np = int(docinfo['numPages'])
                    810:             pageinfo['end'] = min(pageinfo['end'], np)
                    811:             pageinfo['numgroups'] = int(np / grpsize)
                    812:             if np % grpsize > 0:
1.69      abukhman  813:                 pageinfo['numgroups'] += 1        
1.44      casties   814:         pageinfo['viewMode'] = viewMode
                    815:         pageinfo['tocMode'] = tocMode
1.161     abukhman  816:         pageinfo['characterNormalization'] = self.REQUEST.get('characterNormalization','reg')
1.156     abukhman  817:         pageinfo['optionToggle'] = self.REQUEST.get('optionToggle','')
                    818:         pageinfo['query'] = self.REQUEST.get('query','') 
1.146     abukhman  819:         pageinfo['queryType'] = self.REQUEST.get('queryType','')
1.45      abukhman  820:         pageinfo['querySearch'] =self.REQUEST.get('querySearch', 'fulltext')
1.48      abukhman  821:         pageinfo['textPN'] = self.REQUEST.get('textPN','1')
1.146     abukhman  822:         pageinfo['highlightQuery'] = self.REQUEST.get('highlightQuery','')
1.45      abukhman  823:         pageinfo['tocPageSize'] = self.REQUEST.get('tocPageSize', '30')
1.54      abukhman  824:         pageinfo['queryPageSize'] =self.REQUEST.get('queryPageSize', '10')
1.44      casties   825:         pageinfo['tocPN'] = self.REQUEST.get('tocPN', '1')
1.163     abukhman  826:         
1.48      abukhman  827:         toc = int (pageinfo['tocPN'])
                    828:         pageinfo['textPages'] =int (toc)
1.90      abukhman  829:         
1.142     abukhman  830:         
1.123     abukhman  831:         
1.48      abukhman  832:         if 'tocSize_%s'%tocMode in docinfo:
                    833:             tocSize = int(docinfo['tocSize_%s'%tocMode])
                    834:             tocPageSize = int(pageinfo['tocPageSize'])
1.69      abukhman  835:             # cached toc           
1.48      abukhman  836:             if tocSize%tocPageSize>0:
                    837:                 tocPages=tocSize/tocPageSize+1
                    838:             else:
                    839:                 tocPages=tocSize/tocPageSize
1.69      abukhman  840:             pageinfo['tocPN'] = min (tocPages,toc)                    
1.45      abukhman  841:         pageinfo['searchPN'] =self.REQUEST.get('searchPN','1')
1.59      abukhman  842:         pageinfo['sn'] =self.REQUEST.get('sn','')
1.3       casties   843:         return pageinfo
                    844:     
1.69      abukhman  845: def changeDocumentViewer(self,title="",digilibBaseUrl=None,thumbrows=2,thumbcols=5,authgroups='mpiwg',RESPONSE=None):
1.3       casties   846:         """init document viewer"""
                    847:         self.title=title
                    848:         self.digilibBaseUrl = digilibBaseUrl
1.4       casties   849:         self.thumbrows = thumbrows
                    850:         self.thumbcols = thumbcols
1.8       casties   851:         self.authgroups = [s.strip().lower() for s in authgroups.split(',')]
1.3       casties   852:         if RESPONSE is not None:
                    853:             RESPONSE.redirect('manage_main')
1.1       dwinter   854:         
                    855: def manage_AddDocumentViewerForm(self):
                    856:     """add the viewer form"""
1.3       casties   857:     pt=PageTemplateFile('zpt/addDocumentViewer', globals()).__of__(self)
1.1       dwinter   858:     return pt()
                    859:   
1.43      casties   860: def manage_AddDocumentViewer(self,id,imageScalerUrl="",textServerName="",title="",RESPONSE=None):
1.1       dwinter   861:     """add the viewer"""
1.43      casties   862:     newObj=documentViewer(id,imageScalerUrl=imageScalerUrl,title=title,textServerName=textServerName)
1.1       dwinter   863:     self._setObject(id,newObj)
                    864:     
                    865:     if RESPONSE is not None:
                    866:         RESPONSE.redirect('manage_main')
1.3       casties   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)
1.23      dwinter   885:     txt=file(os.path.join(package_home(globals()),'zpt/viewer_main.zpt'),'r').read()
1.95      abukhman  886:     logging.info("txt %s:"%txt)
1.23      dwinter   887:     ob.pt_edit(txt,"text/html")
1.3       casties   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: 
1.14      casties   900:     

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