from OFS.Folder import Folder
from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate
from Products.PageTemplates.PageTemplateFile import PageTemplateFile
from AccessControl import ClassSecurityInfo
from AccessControl import getSecurityManager
from Globals import package_home
from Ft.Xml.Domlette import NonvalidatingReader
from Ft.Xml.Domlette import PrettyPrint, Print
from Ft.Xml import EMPTY_NAMESPACE, Parse
import Ft.Xml.XPath
import cStringIO
import xmlrpclib
import os.path
import sys
import cgi
import urllib
import logging
import math
import urlparse
from types import *
def logger(txt,method,txt2):
"""logging"""
logging.info(txt+ txt2)
def getInt(number, default=0):
"""returns always an int (0 in case of problems)"""
try:
return int(number)
except:
return int(default)
def getTextFromNode(nodename):
"""get the cdata content of a node"""
if nodename is None:
return ""
nodelist=nodename.childNodes
rc = ""
for node in nodelist:
if node.nodeType == node.TEXT_NODE:
rc = rc + node.data
return rc
def serializeNode(node, encoding='utf-8'):
"""returns a string containing node as XML"""
buf = cStringIO.StringIO()
Print(node, stream=buf, encoding=encoding)
s = buf.getvalue()
buf.close()
return s
def getParentDir(path):
"""returns pathname shortened by one"""
return '/'.join(path.split('/')[0:-1])
import socket
def urlopen(url,timeout=2):
"""urlopen mit timeout"""
socket.setdefaulttimeout(timeout)
ret=urllib.urlopen(url)
socket.setdefaulttimeout(5)
return ret
##
## documentViewer class
##
class documentViewer(Folder):
"""document viewer"""
#textViewerUrl="http://127.0.0.1:8080/HFQP/testXSLT/getPage?"
meta_type="Document viewer"
security=ClassSecurityInfo()
manage_options=Folder.manage_options+(
{'label':'main config','action':'changeDocumentViewerForm'},
)
# templates and forms
viewer_main = PageTemplateFile('zpt/viewer_main', globals())
toc_thumbs = PageTemplateFile('zpt/toc_thumbs', globals())
toc_text = PageTemplateFile('zpt/toc_text', globals())
toc_figures = PageTemplateFile('zpt/toc_figures', globals())
page_main_images = PageTemplateFile('zpt/page_main_images', globals())
page_main_text = PageTemplateFile('zpt/page_main_text', globals())
page_main_text_dict = PageTemplateFile('zpt/page_main_text_dict', globals())
head_main = PageTemplateFile('zpt/head_main', globals())
docuviewer_css = PageTemplateFile('css/docuviewer.css', globals())
info_xml = PageTemplateFile('zpt/info_xml', globals())
thumbs_main_rss = PageTemplateFile('zpt/thumbs_main_rss', globals())
security.declareProtected('View management screens','changeDocumentViewerForm')
changeDocumentViewerForm = PageTemplateFile('zpt/changeDocumentViewer', globals())
def __init__(self,id,imageScalerUrl=None,textServerName=None,title="",digilibBaseUrl=None,thumbcols=2,thumbrows=5,authgroups="mpiwg"):
"""init document viewer"""
self.id=id
self.title=title
self.thumbcols = thumbcols
self.thumbrows = thumbrows
# authgroups is list of authorized groups (delimited by ,)
self.authgroups = [s.strip().lower() for s in authgroups.split(',')]
# create template folder so we can always use template.something
templateFolder = Folder('template')
#self['template'] = templateFolder # Zope-2.12 style
self._setObject('template',templateFolder) # old style
try:
from Products.XMLRpcTools.XMLRpcTools import XMLRpcServerProxy
xmlRpcClient = XMLRpcServerProxy(id='fulltextclient', serverUrl=textServerName, use_xmlrpc=False)
#templateFolder['fulltextclient'] = xmlRpcClient
templateFolder._setObject('fulltextclient',xmlRpcClient)
except Exception, e:
logging.error("Unable to create XMLRpcTools for fulltextclient: "+str(e))
try:
from Products.zogiLib.zogiLib import zogiLib
zogilib = zogiLib(id="zogilib", title="zogilib for docuviewer", dlServerURL=imageScalerUrl, layout="book")
#templateFolder['zogilib'] = zogilib
templateFolder._setObject('zogilib',zogilib)
except Exception, e:
logging.error("Unable to create zogiLib for zogilib: "+str(e))
security.declareProtected('View','thumbs_rss')
def thumbs_rss(self,mode,url,viewMode="auto",start=None,pn=1):
'''
view it
@param mode: defines how to access the document behind url
@param url: url which contains display information
@param viewMode: if images display images, if text display text, default is images (text,images or auto)
'''
logging.debug("HHHHHHHHHHHHHH:load the rss")
logger("documentViewer (index)", logging.INFO, "mode: %s url:%s start:%s pn:%s"%(mode,url,start,pn))
if not hasattr(self, 'template'):
# create template folder if it doesn't exist
self.manage_addFolder('template')
if not self.digilibBaseUrl:
self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"
docinfo = self.getDocinfo(mode=mode,url=url)
pageinfo = self.getPageinfo(start=start,current=pn,docinfo=docinfo)
pt = getattr(self.template, 'thumbs_main_rss')
if viewMode=="auto": # automodus gewaehlt
if docinfo.get("textURL",'') and self.textViewerUrl: #texturl gesetzt und textViewer konfiguriert
viewMode="text"
else:
viewMode="images"
return pt(docinfo=docinfo,pageinfo=pageinfo,viewMode=viewMode)
security.declareProtected('View','index_html')
def index_html(self,url,mode="texttool",viewMode="auto",tocMode="thumbs",start=None,pn=1,mk=None, query=None, querySearch=None):
'''
view it
@param mode: defines how to access the document behind url
@param url: url which contains display information
@param viewMode: if images display images, if text display text, default is auto (text,images or auto)
@param tocMode: type of 'table of contents' for navigation (thumbs, text, figures, search)
@param querySearch: type of different search modes (fulltext, fulltextMorph, xpath, xquery, ftIndex, ftIndexMorph)
'''
logging.debug("documentViewer (index) mode: %s url:%s start:%s pn:%s"%(mode,url,start,pn))
if not hasattr(self, 'template'):
# this won't work
logging.error("template folder missing!")
return "ERROR: template folder missing!"
if not getattr(self, 'digilibBaseUrl', None):
self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"
docinfo = self.getDocinfo(mode=mode,url=url)
pageinfo = self.getPageinfo(start=start,current=pn,docinfo=docinfo,viewMode=viewMode,tocMode=tocMode)
if tocMode != "thumbs":
# get table of contents
docinfo = self.getToc(mode=tocMode, docinfo=docinfo)
if viewMode=="auto": # automodus gewaehlt
if docinfo.get("textURL",''): #texturl gesetzt und textViewer konfiguriert
viewMode="text"
else:
viewMode="images"
pt = getattr(self.template, 'viewer_main')
return pt(docinfo=docinfo,pageinfo=pageinfo,viewMode=viewMode,mk=self.generateMarks(mk))
def generateMarks(self,mk):
ret=""
if mk is None:
return ""
if type(mk) is not ListType:
mk=[mk]
for m in mk:
ret+="mk=%s"%m
return ret
def findDigilibUrl(self):
"""try to get the digilib URL from zogilib"""
url = self.template.zogilib.getDLBaseUrl()
return url
def getStyle(self, idx, selected, style=""):
"""returns a string with the given style and append 'sel' if path == selected."""
#logger("documentViewer (getstyle)", logging.INFO, "idx: %s selected: %s style: %s"%(idx,selected,style))
if idx == selected:
return style + 'sel'
else:
return style
def getLink(self,param=None,val=None):
"""link to documentviewer with parameter param set to val"""
params=self.REQUEST.form.copy()
if param is not None:
if val is None:
if params.has_key(param):
del params[param]
else:
params[param] = str(val)
if params.get("mode", None) == "filepath": #wenn beim erst Aufruf filepath gesetzt wurde aendere das nun zu imagepath
params["mode"] = "imagepath"
params["url"] = getParentDir(params["url"])
# quote values and assemble into query string
ps = "&".join(["%s=%s"%(k,urllib.quote(v)) for (k, v) in params.items()])
url=self.REQUEST['URL1']+"?"+ps
return url
def getLinkAmp(self,param=None,val=None):
"""link to documentviewer with parameter param set to val"""
params=self.REQUEST.form.copy()
if param is not None:
if val is None:
if params.has_key(param):
del params[param]
else:
params[param] = str(val)
# quote values and assemble into query string
logging.info("XYXXXXX: %s"%repr(params.items()))
ps = "&".join(["%s=%s"%(k,urllib.quote(v)) for (k, v) in params.items()])
url=self.REQUEST['URL1']+"?"+ps
return url
def getInfo_xml(self,url,mode):
"""returns info about the document as XML"""
if not self.digilibBaseUrl:
self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"
docinfo = self.getDocinfo(mode=mode,url=url)
pt = getattr(self.template, 'info_xml')
return pt(docinfo=docinfo)
def isAccessible(self, docinfo):
"""returns if access to the resource is granted"""
access = docinfo.get('accessType', None)
logger("documentViewer (accessOK)", logging.INFO, "access type %s"%access)
if access is not None and access == 'free':
logger("documentViewer (accessOK)", logging.INFO, "access is free")
return True
elif access is None or access in self.authgroups:
# only local access -- only logged in users
user = getSecurityManager().getUser()
if user is not None:
#print "user: ", user
return (user.getUserName() != "Anonymous User")
else:
return False
logger("documentViewer (accessOK)", logging.INFO, "unknown access type %s"%access)
return False
def getDirinfoFromDigilib(self,path,docinfo=None,cut=0):
"""gibt param von dlInfo aus"""
num_retries = 3
if docinfo is None:
docinfo = {}
for x in range(cut):
path=getParentDir(path)
infoUrl=self.digilibBaseUrl+"/dirInfo-xml.jsp?mo=dir&fn="+path
logger("documentViewer (getparamfromdigilib)", logging.INFO, "dirInfo from %s"%(infoUrl))
for cnt in range(num_retries):
try:
# dom = NonvalidatingReader.parseUri(imageUrl)
txt=urllib.urlopen(infoUrl).read()
dom = Parse(txt)
break
except:
logger("documentViewer (getdirinfofromdigilib)", logging.ERROR, "error reading %s (try %d)"%(infoUrl,cnt))
else:
raise IOError("Unable to get dir-info from %s"%(infoUrl))
sizes=dom.xpath("//dir/size")
logger("documentViewer (getparamfromdigilib)", logging.INFO, "dirInfo:size"%sizes)
if sizes:
docinfo['numPages'] = int(getTextFromNode(sizes[0]))
else:
docinfo['numPages'] = 0
# TODO: produce and keep list of image names and numbers
return docinfo
def getIndexMeta(self, url):
"""returns dom of index.meta document at url"""
num_retries = 3
dom = None
metaUrl = None
if url.startswith("http://"):
# real URL
metaUrl = url
else:
# online path
server=self.digilibBaseUrl+"/servlet/Texter?fn="
metaUrl=server+url.replace("/mpiwg/online","")
if not metaUrl.endswith("index.meta"):
metaUrl += "/index.meta"
logging.debug("METAURL: %s"%metaUrl)
for cnt in range(num_retries):
try:
# patch dirk encoding fehler treten dann nicht mehr auf
# dom = NonvalidatingReader.parseUri(metaUrl)
txt=urllib.urlopen(metaUrl).read()
dom = Parse(txt)
break
except:
logger("ERROR documentViewer (getIndexMeta)", logging.INFO,"%s (%s)"%sys.exc_info()[0:2])
if dom is None:
raise IOError("Unable to read index meta from %s"%(url))
return dom
def getPresentationInfoXML(self, url):
"""returns dom of info.xml document at url"""
num_retries = 3
dom = None
metaUrl = None
if url.startswith("http://"):
# real URL
metaUrl = url
else:
# online path
server=self.digilibBaseUrl+"/servlet/Texter?fn="
metaUrl=server+url.replace("/mpiwg/online","")
for cnt in range(num_retries):
try:
# patch dirk encoding fehler treten dann nicht mehr auf
# dom = NonvalidatingReader.parseUri(metaUrl)
txt=urllib.urlopen(metaUrl).read()
dom = Parse(txt)
break
except:
logger("ERROR documentViewer (getPresentationInfoXML)", logging.INFO,"%s (%s)"%sys.exc_info()[0:2])
if dom is None:
raise IOError("Unable to read infoXMLfrom %s"%(url))
return dom
def getAuthinfoFromIndexMeta(self,path,docinfo=None,dom=None,cut=0):
"""gets authorization info from the index.meta file at path or given by dom"""
logger("documentViewer (getauthinfofromindexmeta)", logging.INFO,"path: %s"%(path))
access = None
if docinfo is None:
docinfo = {}
if dom is None:
for x in range(cut):
path=getParentDir(path)
dom = self.getIndexMeta(path)
acctype = dom.xpath("//access-conditions/access/@type")
if acctype and (len(acctype)>0):
access=acctype[0].value
if access in ['group', 'institution']:
access = getTextFromNode(dom.xpath("//access-conditions/access/name")[0]).lower()
docinfo['accessType'] = access
return docinfo
def getBibinfoFromIndexMeta(self,path,docinfo=None,dom=None,cut=0):
"""gets bibliographical info from the index.meta file at path or given by dom"""
logging.debug("documentViewer (getbibinfofromindexmeta) path: %s"%(path))
if docinfo is None:
docinfo = {}
if dom is None:
for x in range(cut):
path=getParentDir(path)
dom = self.getIndexMeta(path)
logging.debug("documentViewer (getbibinfofromindexmeta cutted) path: %s"%(path))
# put in all raw bib fields as dict "bib"
bib = dom.xpath("//bib/*")
if bib and len(bib)>0:
bibinfo = {}
for e in bib:
bibinfo[e.localName] = getTextFromNode(e)
docinfo['bib'] = bibinfo
# extract some fields (author, title, year) according to their mapping
metaData=self.metadata.main.meta.bib
bibtype=dom.xpath("//bib/@type")
if bibtype and (len(bibtype)>0):
bibtype=bibtype[0].value
else:
bibtype="generic"
bibtype=bibtype.replace("-"," ") # wrong typesiin index meta "-" instead of " " (not wrong! ROC)
docinfo['bib_type'] = bibtype
bibmap=metaData.generateMappingForType(bibtype)
# if there is no mapping bibmap is empty (mapping sometimes has empty fields)
if len(bibmap) > 0 and len(bibmap['author'][0]) > 0:
try:
docinfo['author']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['author'][0])[0])
except: pass
try:
docinfo['title']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['title'][0])[0])
except: pass
try:
docinfo['year']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['year'][0])[0])
except: pass
logging.debug("documentViewer (getbibinfofromindexmeta) using mapping for %s"%bibtype)
try:
docinfo['lang']=getTextFromNode(dom.xpath("//bib/lang")[0])
except:
docinfo['lang']=''
return docinfo
def getDocinfoFromTextTool(self, url, dom=None, docinfo=None):
"""parse texttool tag in index meta"""
logger("documentViewer (getdocinfofromtexttool)", logging.INFO, "url: %s" % (url))
if docinfo is None:
docinfo = {}
if docinfo.get('lang', None) is None:
docinfo['lang'] = '' # default keine Sprache gesetzt
if dom is None:
dom = self.getIndexMeta(url)
archivePath = None
archiveName = None
archiveNames = dom.xpath("//resource/name")
if archiveNames and (len(archiveNames) > 0):
archiveName = getTextFromNode(archiveNames[0])
else:
logger("documentViewer (getdocinfofromtexttool)", logging.WARNING, "resource/name missing in: %s" % (url))
archivePaths = dom.xpath("//resource/archive-path")
if archivePaths and (len(archivePaths) > 0):
archivePath = getTextFromNode(archivePaths[0])
# clean up archive path
if archivePath[0] != '/':
archivePath = '/' + archivePath
if archiveName and (not archivePath.endswith(archiveName)):
archivePath += "/" + archiveName
else:
# try to get archive-path from url
logger("documentViewer (getdocinfofromtexttool)", logging.WARNING, "resource/archive-path missing in: %s" % (url))
if (not url.startswith('http')):
archivePath = url.replace('index.meta', '')
if archivePath is None:
# we balk without archive-path
raise IOError("Missing archive-path (for text-tool) in %s" % (url))
imageDirs = dom.xpath("//texttool/image")
if imageDirs and (len(imageDirs) > 0):
imageDir = getTextFromNode(imageDirs[0])
else:
# we balk with no image tag / not necessary anymore because textmode is now standard
#raise IOError("No text-tool info in %s"%(url))
imageDir = ""
#xquery="//pb"
docinfo['imagePath'] = "" # keine Bilder
docinfo['imageURL'] = ""
if imageDir and archivePath:
#print "image: ", imageDir, " archivepath: ", archivePath
imageDir = os.path.join(archivePath, imageDir)
imageDir = imageDir.replace("/mpiwg/online", '')
docinfo = self.getDirinfoFromDigilib(imageDir, docinfo=docinfo)
docinfo['imagePath'] = imageDir
docinfo['imageURL'] = self.digilibBaseUrl + "/servlet/Scaler?fn=" + imageDir
viewerUrls = dom.xpath("//texttool/digiliburlprefix")
if viewerUrls and (len(viewerUrls) > 0):
viewerUrl = getTextFromNode(viewerUrls[0])
docinfo['viewerURL'] = viewerUrl
textUrls = dom.xpath("//texttool/text")
if textUrls and (len(textUrls) > 0):
textUrl = getTextFromNode(textUrls[0])
if urlparse.urlparse(textUrl)[0] == "": #keine url
textUrl = os.path.join(archivePath, textUrl)
# fix URLs starting with /mpiwg/online
if textUrl.startswith("/mpiwg/online"):
textUrl = textUrl.replace("/mpiwg/online", '', 1)
docinfo['textURL'] = textUrl
textUrls = dom.xpath("//texttool/text-url-path")
if textUrls and (len(textUrls) > 0):
textUrl = getTextFromNode(textUrls[0])
docinfo['textURLPath'] = textUrl
presentationUrls = dom.xpath("//texttool/presentation")
docinfo = self.getBibinfoFromIndexMeta(url, docinfo=docinfo, dom=dom) # get info von bib tag
if presentationUrls and (len(presentationUrls) > 0): # ueberschreibe diese durch presentation informationen
# presentation url ergiebt sich ersetzen von index.meta in der url der fuer die Metadaten
# durch den relativen Pfad auf die presentation infos
presentationPath = getTextFromNode(presentationUrls[0])
if url.endswith("index.meta"):
presentationUrl = url.replace('index.meta', presentationPath)
else:
presentationUrl = url + "/" + presentationPath
docinfo = self.getNumPages(docinfo) #im moment einfach auf eins setzen, navigation ueber die thumbs geht natuerlich nicht
docinfo = self.getBibinfoFromTextToolPresentation(presentationUrl, docinfo=docinfo, dom=dom)
docinfo = self.getAuthinfoFromIndexMeta(url, docinfo=docinfo, dom=dom) # get access info
return docinfo
def getBibinfoFromTextToolPresentation(self,url,docinfo=None,dom=None):
"""gets the bibliographical information from the preseantion entry in texttools
"""
dom=self.getPresentationInfoXML(url)
try:
docinfo['author']=getTextFromNode(dom.xpath("//author")[0])
except:
pass
try:
docinfo['title']=getTextFromNode(dom.xpath("//title")[0])
except:
pass
try:
docinfo['year']=getTextFromNode(dom.xpath("//date")[0])
except:
pass
return docinfo
def getDocinfoFromImagePath(self,path,docinfo=None,cut=0):
"""path ist the path to the images it assumes that the index.meta file is one level higher."""
logger("documentViewer (getdocinfofromimagepath)", logging.INFO,"path: %s"%(path))
if docinfo is None:
docinfo = {}
path=path.replace("/mpiwg/online","")
docinfo['imagePath'] = path
docinfo=self.getDirinfoFromDigilib(path,docinfo=docinfo,cut=cut)
pathorig=path
for x in range(cut):
path=getParentDir(path)
logging.error("PATH:"+path)
imageUrl=self.digilibBaseUrl+"/servlet/Scaler?fn="+path
docinfo['imageURL'] = imageUrl
#path ist the path to the images it assumes that the index.meta file is one level higher.
docinfo = self.getBibinfoFromIndexMeta(pathorig,docinfo=docinfo,cut=cut+1)
docinfo = self.getAuthinfoFromIndexMeta(pathorig,docinfo=docinfo,cut=cut+1)
return docinfo
def getDocinfo(self, mode, url):
"""returns docinfo depending on mode"""
logger("documentViewer (getdocinfo)", logging.INFO,"mode: %s, url: %s"%(mode,url))
# look for cached docinfo in session
if self.REQUEST.SESSION.has_key('docinfo'):
docinfo = self.REQUEST.SESSION['docinfo']
# check if its still current
if docinfo is not None and docinfo.get('mode') == mode and docinfo.get('url') == url:
logger("documentViewer (getdocinfo)", logging.INFO,"docinfo in session: %s"%docinfo)
return docinfo
# new docinfo
docinfo = {'mode': mode, 'url': url}
if mode=="texttool": #index.meta with texttool information
docinfo = self.getDocinfoFromTextTool(url, docinfo=docinfo)
elif mode=="imagepath":
docinfo = self.getDocinfoFromImagePath(url, docinfo=docinfo)
elif mode=="filepath":
docinfo = self.getDocinfoFromImagePath(url, docinfo=docinfo,cut=1)
else:
logger("documentViewer (getdocinfo)", logging.ERROR,"unknown mode!")
raise ValueError("Unknown mode %s! Has to be one of 'texttool','imagepath','filepath'."%(mode))
logger("documentViewer (getdocinfo)", logging.INFO,"docinfo: %s"%docinfo)
self.REQUEST.SESSION['docinfo'] = docinfo
return docinfo
def getPageinfo(self, current, start=None, rows=None, cols=None, docinfo=None, viewMode=None, tocMode=None):
"""returns pageinfo with the given parameters"""
pageinfo = {}
current = getInt(current)
pageinfo['current'] = current
rows = int(rows or self.thumbrows)
pageinfo['rows'] = rows
cols = int(cols or self.thumbcols)
pageinfo['cols'] = cols
grpsize = cols * rows
pageinfo['groupsize'] = grpsize
start = getInt(start, default=(math.ceil(float(current)/float(grpsize))*grpsize-(grpsize-1)))
# int(current / grpsize) * grpsize +1))
pageinfo['start'] = start
pageinfo['end'] = start + grpsize
if (docinfo is not None) and ('numPages' in docinfo):
np = int(docinfo['numPages'])
pageinfo['end'] = min(pageinfo['end'], np)
pageinfo['numgroups'] = int(np / grpsize)
if np % grpsize > 0:
pageinfo['numgroups'] += 1
pageinfo['viewMode'] = viewMode
pageinfo['tocMode'] = tocMode
pageinfo['query'] = self.REQUEST.get('query',' ')
pageinfo['queryType'] = self.REQUEST.get('queryType',' ')
pageinfo['querySearch'] =self.REQUEST.get('querySearch', 'fulltext')
pageinfo['tocPageSize'] = self.REQUEST.get('tocPageSize', '30')
pageinfo['queryPageSize'] =self.REQUEST.get('queryPageSize', '20')
pageinfo['tocPN'] = self.REQUEST.get('tocPN', '1')
pageinfo['searchPN'] =self.REQUEST.get('searchPN','1')
pageinfo['sn'] =self.REQUEST.get('sn','1')
return pageinfo
def getSearch(self, pn=1, pageinfo=None, docinfo=None, query=None, queryType=None):
"""get search list"""
docpath = docinfo['textURLPath']
pagesize = pageinfo['queryPageSize']
pn = pageinfo['searchPN']
sn = pageinfo['sn']
query =pageinfo['query']
queryType =pageinfo['queryType']
pagexml=self.template.fulltextclient.eval("/mpdl/interface/doc-query.xql","document=%s&mode=%s&queryType=%s&query=%s&queryResultPageSize=%s&queryResultPN=%s&sn=%s"%(docpath, 'text', queryType, query, pagesize, pn, sn) ,outputUnicode=False)
pagedom = Parse(pagexml)
#pagedivs = pagedom.xpath("//div[@class='queryResultPage']")
return pagexml
#if len(pagedivs) > 0:
# pagenode = pagedom[0]
# return serializeNode(pagenode)
#else:
# return "xaxa"
def getNumPages(self,docinfo=None):
"""get list of pages from fulltext and put in docinfo"""
xquery = '//pb'
text = self.template.fulltextclient.eval("/mpdl/interface/xquery.xql", "document=%s&xquery=%s"%(docinfo['textURLPath'],xquery))
# TODO: better processing of the page list. do we need the info somewhere else also?
docinfo['numPages'] = text.count("<pb ")
return docinfo
def getTextPage(self, mode="text", pn=1, docinfo=None):
"""returns single page from fulltext"""
docpath = docinfo['textURLPath']
if mode == "text_dict":
textmode = "textPollux"
else:
textmode = mode
pagexml=self.template.fulltextclient.eval("/mpdl/interface/page-fragment.xql", "document=%s&mode=%s&pn=%s"%(docpath,textmode,pn), outputUnicode=False)
#######
#textpython = pagexml.replace('page-fragment.xql?document=/echo/la/Benedetti_1585.xml','?url=/mpiwg/online/permanent/library/163127KK&tocMode='+str(tocMode)+'&queryResultPN='+str(queryResultPN)+'&viewMode='+str(viewMode))
#textnew =textpython.replace('mode=text','mode=texttool')
#######
# post-processing downloaded xml
pagedom = Parse(pagexml)
# plain text mode
if mode == "text":
# first div contains text
pagedivs = pagedom.xpath("/div")
#queryResultPage
if len(pagedivs) > 0:
pagenode = pagedivs[0]
return serializeNode(pagenode)
# text-with-links mode
if mode == "text_dict":
# first div contains text
pagedivs = pagedom.xpath("/div")
if len(pagedivs) > 0:
pagenode = pagedivs[0]
# check all a-tags
links = pagenode.xpath("//a")
for l in links:
hrefNode = l.getAttributeNodeNS(None, u"href")
if hrefNode:
# is link with href
href = hrefNode.nodeValue
if href.startswith('lt/lex.xql'):
# is pollux link
selfurl = self.absolute_url()
# change href
hrefNode.nodeValue = href.replace('lt/lex.xql','%s/head_main_voc'%selfurl)
# add target
l.setAttributeNS(None, 'target', '_blank')
return serializeNode(pagenode)
return "no text here"
def getToc(self, mode="text", docinfo=None):
"""loads table of contents and stores in docinfo"""
logging.debug("documentViewer (gettoc) mode: %s"%(mode))
if 'tocSize_%s'%mode in docinfo:
# cached toc
return docinfo
docpath = docinfo['textURLPath']
# we need to set a result set size
pagesize = 1000
pn = 1
if mode == "text":
queryType = "toc"
else:
queryType = mode
# number of entries in toc
tocSize = 0
tocDiv = None
pagexml=self.template.fulltextclient.eval("/mpdl/interface/doc-query.xql", "document=%s&queryType=%s&queryResultPageSize=%s&queryResultPN=%s"%(docpath,queryType,pagesize,pn), outputUnicode=False)
# post-processing downloaded xml
pagedom = Parse(pagexml)
# get number of entries
numdivs = pagedom.xpath("//div[@class='queryResultHits']")
if len(numdivs) > 0:
tocSize = int(getTextFromNode(numdivs[0]))
# div contains text
#pagedivs = pagedom.xpath("//div[@class='queryResultPage']")
#if len(pagedivs) > 0:
# tocDiv = pagedivs[0]
docinfo['tocSize_%s'%mode] = tocSize
#docinfo['tocDiv_%s'%mode] = tocDiv
return docinfo
def getTocPage(self, mode="text", pn=1, pageinfo=None, docinfo=None):
"""returns single page from the table of contents"""
# TODO: this should use the cached TOC
if mode == "text":
queryType = "toc"
else:
queryType = mode
docpath = docinfo['textURLPath']
pagesize = pageinfo['tocPageSize']
pn = pageinfo['tocPN']
pagexml=self.template.fulltextclient.eval("/mpdl/interface/doc-query.xql", "document=%s&queryType=%s&queryResultPageSize=%s&queryResultPN=%s"%(docpath,queryType, pagesize, pn), outputUnicode=False)
# post-processing downloaded xml
pagedom = Parse(pagexml)
# div contains text
pagedivs = pagedom.xpath("//div[@class='queryResultPage']")
if len(pagedivs) > 0:
pagenode = pagedivs[0]
return serializeNode(pagenode)
else:
return "No TOC!"
def changeDocumentViewer(self,title="",digilibBaseUrl=None,thumbrows=2,thumbcols=5,authgroups='mpiwg',RESPONSE=None):
"""init document viewer"""
self.title=title
self.digilibBaseUrl = digilibBaseUrl
self.thumbrows = thumbrows
self.thumbcols = thumbcols
self.authgroups = [s.strip().lower() for s in authgroups.split(',')]
if RESPONSE is not None:
RESPONSE.redirect('manage_main')
def manage_AddDocumentViewerForm(self):
"""add the viewer form"""
pt=PageTemplateFile('zpt/addDocumentViewer', globals()).__of__(self)
return pt()
def manage_AddDocumentViewer(self,id,imageScalerUrl="",textServerName="",title="",RESPONSE=None):
"""add the viewer"""
newObj=documentViewer(id,imageScalerUrl=imageScalerUrl,title=title,textServerName=textServerName)
self._setObject(id,newObj)
if RESPONSE is not None:
RESPONSE.redirect('manage_main')
##
## DocumentViewerTemplate class
##
class DocumentViewerTemplate(ZopePageTemplate):
"""Template for document viewer"""
meta_type="DocumentViewer Template"
def manage_addDocumentViewerTemplateForm(self):
"""Form for adding"""
pt=PageTemplateFile('zpt/addDocumentViewerTemplate', globals()).__of__(self)
return pt()
def manage_addDocumentViewerTemplate(self, id='viewer_main', title=None, text=None,
REQUEST=None, submit=None):
"Add a Page Template with optional file content."
self._setObject(id, DocumentViewerTemplate(id))
ob = getattr(self, id)
txt=file(os.path.join(package_home(globals()),'zpt/viewer_main.zpt'),'r').read()
logging.info("txt %s:"%txt)
ob.pt_edit(txt,"text/html")
if title:
ob.pt_setTitle(title)
try:
u = self.DestinationURL()
except AttributeError:
u = REQUEST['URL1']
u = "%s/%s" % (u, urllib.quote(id))
REQUEST.RESPONSE.redirect(u+'/manage_main')
return ''
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