--- documentViewer/documentViewer.py 2010/09/01 13:25:38 1.99 +++ documentViewer/documentViewer.py 2011/08/17 15:00:31 1.175.2.28 @@ -1,103 +1,110 @@ - from OFS.Folder import Folder +from OFS.Image import File 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 import EMPTY_NAMESPACE, Parse -import Ft.Xml.Domlette +#from Ft.Xml import EMPTY_NAMESPACE, Parse +#import Ft.Xml.Domlette + +import xml.etree.ElementTree as ET + import os.path import sys import urllib -import urllib2 import logging import math import urlparse -import cStringIO import re +import string + +from SrvTxtUtils import getInt, getText, getHttpData 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'): +def serializeNode(node, encoding="utf-8"): """returns a string containing node as XML""" - buf = cStringIO.StringIO() - Ft.Xml.Domlette.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]) - - -def getHttpData(url, data=None, num_tries=3, timeout=10): - """returns result from url+data HTTP request""" - # we do GET (by appending data to url) - if isinstance(data, str) or isinstance(data, unicode): - # if data is string then append - url = "%s?%s"%(url,data) - elif isinstance(data, dict) or isinstance(data, list) or isinstance(data, tuple): - # urlencode - url = "%s?%s"%(url,urllib.urlencode(data)) - - response = None - errmsg = None - for cnt in range(num_tries): - try: - logging.debug("getHttpData(#%s %ss) url=%s"%(cnt+1,timeout,url)) - if sys.version_info < (2, 6): - # set timeout on socket -- ugly :-( - import socket - socket.setdefaulttimeout(float(timeout)) - response = urllib2.urlopen(url) - else: - response = urllib2.urlopen(url,timeout=float(timeout)) - # check result? - break - except urllib2.HTTPError, e: - logging.error("getHttpData: HTTP error(%s): %s"%(e.code,e)) - errmsg = str(e) - # stop trying - break - except urllib2.URLError, e: - logging.error("getHttpData: URLLIB error(%s): %s"%(e.reason,e)) - errmsg = str(e) - # stop trying - #break - - if response is not None: - data = response.read() - response.close() - return data + s = ET.tostring(node) - raise IOError("ERROR fetching HTTP data from %s: %s"%(url,errmsg)) - #return None + # 4Suite: + # stream = cStringIO.StringIO() + # Ft.Xml.Domlette.Print(node, stream=stream, encoding=encoding) + # s = stream.getvalue() + # stream.close() + return s +def browserCheck(self): + """check the browsers request to find out the browser type""" + bt = {} + ua = self.REQUEST.get_header("HTTP_USER_AGENT") + bt['ua'] = ua + bt['isIE'] = False + bt['isN4'] = False + bt['versFirefox']="" + bt['versIE']="" + bt['versSafariChrome']="" + bt['versOpera']="" + + if string.find(ua, 'MSIE') > -1: + bt['isIE'] = True + else: + bt['isN4'] = (string.find(ua, 'Mozilla/4.') > -1) + # Safari oder Chrome identification + try: + nav = ua[string.find(ua, '('):] + nav1=ua[string.find(ua,')'):] + nav2=nav1[string.find(nav1,'('):] + nav3=nav2[string.find(nav2,')'):] + ie = string.split(nav, "; ")[1] + ie1 =string.split(nav1, " ")[2] + ie2 =string.split(nav3, " ")[1] + ie3 =string.split(nav3, " ")[2] + if string.find(ie3, "Safari") >-1: + bt['versSafariChrome']=string.split(ie2, "/")[1] + except: pass + # IE identification + try: + nav = ua[string.find(ua, '('):] + ie = string.split(nav, "; ")[1] + if string.find(ie, "MSIE") > -1: + bt['versIE'] = string.split(ie, " ")[1] + except:pass + # Firefox identification + try: + nav = ua[string.find(ua, '('):] + nav1=ua[string.find(ua,')'):] + if string.find(ie1, "Firefox") >-1: + nav5= string.split(ie1, "/")[1] + logging.debug("FIREFOX: %s"%(nav5)) + bt['versFirefox']=nav5[0:3] + except:pass + #Opera identification + try: + if string.find(ua,"Opera") >-1: + nav = ua[string.find(ua, '('):] + nav1=nav[string.find(nav,')'):] + bt['versOpera']=string.split(nav1,"/")[2] + except:pass + + bt['isMac'] = string.find(ua, 'Macintosh') > -1 + bt['isWin'] = string.find(ua, 'Windows') > -1 + bt['isIEWin'] = bt['isIE'] and bt['isWin'] + bt['isIEMac'] = bt['isIE'] and bt['isMac'] + bt['staticHTML'] = False + + return bt + +def getParentPath(path, cnt=1): + """returns pathname shortened by cnt""" + # make sure path doesn't end with / + path = path.rstrip('/') + # split by /, shorten, and reassemble + return '/'.join(path.split('/')[0:-cnt]) ## @@ -111,25 +118,31 @@ class documentViewer(Folder): manage_options=Folder.manage_options+( {'label':'main config','action':'changeDocumentViewerForm'}, ) + + metadataService = None + """MetaDataFolder instance""" # templates and forms + viewer_text = PageTemplateFile('zpt/viewer_text', globals()) + viewer_images = PageTemplateFile('zpt/viewer_images', globals()) viewer_main = PageTemplateFile('zpt/viewer_main', globals()) toc_thumbs = PageTemplateFile('zpt/toc_thumbs', globals()) toc_text = PageTemplateFile('zpt/toc_text', globals()) toc_figures = PageTemplateFile('zpt/toc_figures', globals()) page_main_images = PageTemplateFile('zpt/page_main_images', globals()) + page_main_double = PageTemplateFile('zpt/page_main_double', globals()) page_main_text = PageTemplateFile('zpt/page_main_text', globals()) page_main_text_dict = PageTemplateFile('zpt/page_main_text_dict', globals()) page_main_gis =PageTemplateFile ('zpt/page_main_gis', globals()) page_main_xml = PageTemplateFile('zpt/page_main_xml', globals()) + page_main_pureXml = PageTemplateFile('zpt/page_main_pureXml', globals()) head_main = PageTemplateFile('zpt/head_main', globals()) - docuviewer_css = PageTemplateFile('css/docuviewer.css', globals()) info_xml = PageTemplateFile('zpt/info_xml', globals()) + # TODO: can this be nicer? + docuviewer_css = File('docuviewer_css','',open(os.path.join(package_home(globals()),'css/docuviewer.css')), content_type='text/css') 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"): @@ -152,6 +165,7 @@ class documentViewer(Folder): templateFolder._setObject('fulltextclient',textServer) except Exception, e: logging.error("Unable to create MpdlXmlTextServer for fulltextclient: "+str(e)) + try: from Products.zogiLib.zogiLib import zogiLib zogilib = zogiLib(id="zogilib", title="zogilib for docuviewer", dlServerURL=imageScalerUrl, layout="book") @@ -159,33 +173,62 @@ class documentViewer(Folder): templateFolder._setObject('zogilib',zogilib) except Exception, e: logging.error("Unable to create zogiLib for zogilib: "+str(e)) - + + try: + # assume MetaDataFolder instance is called metadata + self.metadataService = getattr(self, 'metadata') + except Exception, e: + logging.error("Unable to find MetaDataFolder 'metadata': "+str(e)) + + if digilibBaseUrl is not None: + self.digilibBaseUrl = digilibBaseUrl + # proxy text server methods to fulltextclient def getTextPage(self, **args): """get page""" return self.template.fulltextclient.getTextPage(**args) + def getOrigPages(self, **args): + """get page""" + return self.template.fulltextclient.getOrigPages(**args) + + def getOrigPagesNorm(self, **args): + """get page""" + return self.template.fulltextclient.getOrigPagesNorm(**args) + def getQuery(self, **args): - """get query""" + """get query in search""" return self.template.fulltextclient.getQuery(**args) - + def getSearch(self, **args): """get search""" return self.template.fulltextclient.getSearch(**args) - - def getNumPages(self, docinfo): - """get numpages""" - return self.template.fulltextclient.getNumPages(docinfo) - - def getTranslate(self, **args): + + def getGisPlaces(self, **args): + """get gis places""" + return self.template.fulltextclient.getGisPlaces(**args) + + def getAllGisPlaces(self, **args): + """get all gis places """ + return self.template.fulltextclient.getAllGisPlaces(**args) + + def getWordInfo(self, **args): """get translate""" - return self.template.fulltextclient.getTranslate(**args) + return self.template.fulltextclient.getWordInfo(**args) def getLemma(self, **args): """get lemma""" return self.template.fulltextclient.getLemma(**args) + def getLemmaQuery(self, **args): + """get query""" + return self.template.fulltextclient.getLemmaQuery(**args) + + def getLex(self, **args): + """get lex""" + return self.template.fulltextclient.getLex(**args) + def getToc(self, **args): """get toc""" return self.template.fulltextclient.getToc(**args) @@ -205,7 +248,7 @@ class documentViewer(Folder): ''' logging.debug("HHHHHHHHHHHHHH:load the rss") - logger("documentViewer (index)", logging.INFO, "mode: %s url:%s start:%s pn:%s"%(mode,url,start,pn)) + logging.debug("documentViewer (index) mode: %s url:%s start:%s pn:%s"%(mode,url,start,pn)) if not hasattr(self, 'template'): # create template folder if it doesn't exist @@ -215,30 +258,32 @@ class documentViewer(Folder): self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary" docinfo = self.getDocinfo(mode=mode,url=url) - pageinfo = self.getPageinfo(start=start,current=pn,docinfo=docinfo) + #pageinfo = self.getPageinfo(start=start,current=pn,docinfo=docinfo) + pageinfo = self.getPageinfo(start=start,current=pn, docinfo=docinfo) + ''' ZDES ''' pt = getattr(self.template, 'thumbs_main_rss') if viewMode=="auto": # automodus gewaehlt - if docinfo.has_key("textURL") or docinfo.has_key('textURLPath'): #texturl gesetzt und textViewer konfiguriert + if docinfo.has_key("textURL") or docinfo.get('textURLPath',None): #texturl gesetzt und textViewer konfiguriert viewMode="text" else: viewMode="images" return pt(docinfo=docinfo,pageinfo=pageinfo,viewMode=viewMode) + 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, characterNormalization=""): - ''' - view it - @param mode: defines how to access the document behind url + def index_html(self,url,mode="texttool",viewMode="auto",viewType=None,tocMode="thumbs",start=1,pn=1): + """ + view page @param url: url which contains display information - @param viewMode: if images display images, if text display text, default is auto (text,images or auto) + @param mode: defines how to access the document behind url + @param viewMode: 'images': display images, 'text': display text, default is 'auto' + @param viewType: sub-type of viewMode, e.g. 'dict' for viewMode='text' @param tocMode: type of 'table of contents' for navigation (thumbs, text, figures, none) - @param characterNormalization type of text display (reg, norm, none) - @param querySearch: type of different search modes (fulltext, fulltextMorph, xpath, xquery, ftIndex, ftIndexMorph, fulltextMorphLemma) - ''' + """ - logging.debug("documentViewer (index) mode: %s url:%s start:%s pn:%s"%(mode,url,start,pn)) + logging.debug("documentViewer(index_html) mode=%s url=%s viewMode=%s viewType=%s start=%s pn=%s"%(mode,url,viewMode,viewType,start,pn)) if not hasattr(self, 'template'): # this won't work @@ -253,17 +298,36 @@ class documentViewer(Folder): if tocMode != "thumbs": # get table of contents docinfo = self.getToc(mode=tocMode, docinfo=docinfo) - - if viewMode=="auto": # automodus gewaehlt - if docinfo.has_key('textURL') or docinfo.has_key('textURLPath'): #texturl gesetzt und textViewer konfiguriert - viewMode="text_dict" + + # auto viewMode: text if there is a text else images + if viewMode=="auto": + if docinfo.get('textURL', None) or docinfo.get('textURLPath', None): + viewMode = "text" + viewType = "dict" else: - viewMode="images" + viewMode = "images" - pageinfo = self.getPageinfo(start=start,current=pn,docinfo=docinfo,viewMode=viewMode,tocMode=tocMode) + elif viewMode == "text_dict": + # legacy fix + viewMode = "text" + viewType = "dict" + + # stringify viewType + if isinstance(viewType, list): + logging.debug("index_html: viewType is list:%s"%viewType) + viewType = ','.join([t for t in viewType if t]) + + pageinfo = self.getPageinfo(start=start, current=pn, docinfo=docinfo, viewMode=viewMode, viewType=viewType, tocMode=tocMode) + + # get template /template/viewer_$viewMode + pt = getattr(self.template, 'viewer_%s'%viewMode, None) + if pt is None: + logging.error("No template for viewMode=%s!"%viewMode) + # TODO: error page? + return "No template for viewMode=%s!"%viewMode - pt = getattr(self.template, 'viewer_main') - return pt(docinfo=docinfo,pageinfo=pageinfo,viewMode=viewMode,mk=self.generateMarks(mk)) + # and execute with parameters + return pt(docinfo=docinfo, pageinfo=pageinfo) def generateMarks(self,mk): ret="" @@ -274,64 +338,107 @@ class documentViewer(Folder): for m in mk: ret+="mk=%s"%m return ret - - + + + def getBrowser(self): + """getBrowser the version of browser """ + bt = browserCheck(self) + logging.debug("BROWSER VERSION: %s"%(bt)) + return bt + def findDigilibUrl(self): """try to get the digilib URL from zogilib""" url = self.template.zogilib.getDLBaseUrl() return url + + def getScalerUrl(self, fn=None, pn=None, dw=100, dh=100, docinfo=None): + """returns URL to digilib Scaler with params""" + url = None + if docinfo is not None: + url = docinfo.get('imageURL', None) + + if url is None: + url = "%s/servlet/Scaler?"%self.digilibBaseUrl + if fn is None and docinfo is not None: + fn = docinfo.get('imagePath','') + + url += "fn=%s"%fn + + if pn: + url += "&pn=%s"%pn + + url += "&dw=%s&dh=%s"%(dw,dh) + return url def getDocumentViewerURL(self): """returns the URL of this instance""" return self.absolute_url() def getStyle(self, idx, selected, style=""): - """returns a string with the given style and append 'sel' if path == selected.""" + """returns a string with the given style and append 'sel' if idx == 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() + def getParams(self, param=None, val=None, params=None, duplicates=None): + """returns dict with URL parameters. + + Takes URL parameters and additionally param=val or dict params. + Deletes key if value is None.""" + # copy existing request params + newParams=self.REQUEST.form.copy() + # change single param if param is not None: if val is None: - if params.has_key(param): - del params[param] + if newParams.has_key(param): + del newParams[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"]) + newParams[param] = str(val) - # quote values and assemble into query string - #ps = "&".join(["%s=%s"%(k,urllib.quote(v)) for (k, v) in params.items()]) - ps = urllib.urlencode(params) - url=self.REQUEST['URL1']+"?"+ps + # change more params + if params is not None: + for (k, v) in params.items(): + if v is None: + # val=None removes param + if newParams.has_key(k): + del newParams[k] + + else: + newParams[k] = v + + if duplicates: + # eliminate lists (coming from duplicate keys) + for (k,v) in newParams.items(): + if isinstance(v, list): + if duplicates == 'comma': + # make comma-separated list of non-empty entries + newParams[k] = ','.join([t for t in v if t]) + elif duplicates == 'first': + # take first non-empty entry + newParams[k] = [t for t in v if t][0] + + return newParams + + def getLink(self, param=None, val=None, params=None, baseUrl=None, paramSep='&', duplicates='comma'): + """returns URL to documentviewer with parameter param set to val or from dict params""" + urlParams = self.getParams(param=param, val=val, params=params, duplicates=duplicates) + # quote values and assemble into query string (not escaping '/') + ps = paramSep.join(["%s=%s"%(k,urllib.quote_plus(unicode(v),'/')) for (k, v) in urlParams.items()]) + if baseUrl is None: + baseUrl = self.getDocumentViewerURL() + + url = "%s?%s"%(baseUrl, ps) return url - def getLinkAmp(self,param=None,val=None): + def getLinkAmp(self, param=None, val=None, params=None, baseUrl=None, duplicates='comma'): """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.debug("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 + return self.getLink(param=param, val=val, params=params, baseUrl=baseUrl, paramSep='&', duplicates=duplicates) + 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" @@ -339,14 +446,14 @@ class documentViewer(Folder): pt = getattr(self.template, 'info_xml') return pt(docinfo=docinfo) - def isAccessible(self, docinfo): """returns if access to the resource is granted""" access = docinfo.get('accessType', None) logging.debug("documentViewer (accessOK) access type %s"%access) - if access is not None and access == 'free': + if access == 'free': logging.debug("documentViewer (accessOK) access is free") return True + elif access is None or access in self.authgroups: # only local access -- only logged in users user = getSecurityManager().getUser() @@ -360,400 +467,443 @@ class documentViewer(Folder): logging.error("documentViewer (accessOK) unknown access type %s"%access) return False - - def getDirinfoFromDigilib(self,path,docinfo=None,cut=0): - """gibt param von dlInfo aus""" - if docinfo is None: - docinfo = {} - - for x in range(cut): - - path=getParentDir(path) - - infoUrl=self.digilibBaseUrl+"/dirInfo-xml.jsp?mo=dir&fn="+path - - logging.debug("documentViewer (getparamfromdigilib) dirInfo from %s"%(infoUrl)) - - txt = getHttpData(infoUrl) - if txt is None: - raise IOError("Unable to get dir-info from %s"%(infoUrl)) - dom = Parse(txt) - sizes=dom.xpath("//dir/size") - logging.debug("documentViewer (getparamfromdigilib) dirInfo:size"%sizes) - - if sizes: - docinfo['numPages'] = int(getTextFromNode(sizes[0])) - else: - docinfo['numPages'] = 0 + + def getDocinfo(self, mode, url): + """returns docinfo depending on mode""" + logging.debug("getDocinfo: mode=%s, url=%s"%(mode,url)) + # look for cached docinfo in session + if self.REQUEST.SESSION.has_key('docinfo'): + docinfo = self.REQUEST.SESSION['docinfo'] + # check if its still current + if docinfo is not None and docinfo.get('mode', None) == mode and docinfo.get('url', None) == url: + logging.debug("getDocinfo: docinfo in session. keys=%s"%docinfo.keys()) + return docinfo - # TODO: produce and keep list of image names and numbers - - return docinfo - - def getIndexMetaPath(self,url): - """gib nur den Pfad zurueck""" - regexp = re.compile(r".*(experimental|permanent)/(.*)") - regpath = regexp.match(url) - if (regpath==None): - return "" - - return ("/mpiwg/online/"+regpath.group(1)+"/"+regpath.group(2)) - - def getIndexMetaUrl(self,url): - """returns utr of index.meta document at url""" - - metaUrl = None - if url.startswith("http://"): - # real URL - metaUrl = url + # new docinfo + docinfo = {'mode': mode, 'url': url} + # add self url + docinfo['viewerUrl'] = self.getDocumentViewerURL() + docinfo['digilibBaseUrl'] = self.digilibBaseUrl + # get index.meta DOM + docUrl = None + metaDom = None + if mode=="texttool": + # url points to document dir or index.meta + metaDom = self.metadataService.getDomFromPathOrUrl(url) + docUrl = url.replace('/index.meta', '') + if metaDom is None: + raise IOError("Unable to find index.meta for mode=texttool!") + + elif mode=="imagepath": + # url points to folder with images, index.meta optional + # asssume index.meta in parent dir + docUrl = getParentPath(url) + metaDom = self.metadataService.getDomFromPathOrUrl(docUrl) + + elif mode=="filepath": + # url points to image file, index.meta optional + # asssume index.meta is two path segments up + docUrl = getParentPath(url, 2) + metaDom = self.metadataService.getDomFromPathOrUrl(docUrl) + 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.error("documentViewer (getdocinfo) unknown mode: %s!"%mode) + raise ValueError("Unknown mode %s! Has to be one of 'texttool','imagepath','filepath'."%(mode)) - return metaUrl - - def getDomFromIndexMeta(self, url): - """get dom from index meta""" - dom = None - metaUrl = self.getIndexMetaUrl(url) + docinfo['documentUrl'] = docUrl + # process index.meta contents + if metaDom is not None and metaDom.tag == 'resource': + # document directory name and path + resource = self.metadataService.getResourceData(dom=metaDom) + if resource: + docinfo = self.getDocinfoFromResource(docinfo, resource) + + # texttool info + texttool = self.metadataService.getTexttoolData(dom=metaDom) + if texttool: + docinfo = self.getDocinfoFromTexttool(docinfo, texttool) + + # bib info + bib = self.metadataService.getBibData(dom=metaDom) + if bib: + docinfo = self.getDocinfoFromBib(docinfo, bib) + else: + # no bib - try info.xml + docinfo = self.getDocinfoFromPresentationInfoXml(docinfo) - logging.debug("(getDomFromIndexMeta): METAURL: %s"%metaUrl) - txt=getHttpData(metaUrl) - if txt is None: - raise IOError("Unable to read index meta from %s"%(url)) - - dom = Parse(txt) - return dom - - def getPresentationInfoXML(self, url): - """returns dom of info.xml document at url""" - 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","") - - txt=getHttpData(metaUrl) - if txt is None: - raise IOError("Unable to read infoXMLfrom %s"%(url)) - - dom = Parse(txt) - 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""" - logging.debug("documentViewer (getauthinfofromindexmeta) path: %s"%(path)) - - access = None - - if docinfo is None: - docinfo = {} - - if dom is None: - for x in range(cut): - path=getParentDir(path) - dom = self.getDomFromIndexMeta(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 + # auth info + access = self.metadataService.getAccessData(dom=metaDom) + if access: + docinfo = self.getDocinfoFromAccess(docinfo, access) + + # attribution info + attribution = self.metadataService.getAttributionData(dom=metaDom) + if attribution: + logging.debug("getDocinfo: attribution=%s"%repr(attribution)) + docinfo['attribution'] = attribution + #docinfo = self.getDocinfoFromAccess(docinfo, access) + + # copyright info + copyright = self.metadataService.getCopyrightData(dom=metaDom) + if copyright: + logging.debug("getDocinfo: copyright=%s"%repr(copyright)) + docinfo['copyright'] = copyright + #docinfo = self.getDocinfoFromAccess(docinfo, access) + + # image path + if mode != 'texttool': + # override image path from texttool with url + docinfo['imagePath'] = url.replace('/mpiwg/online/', '', 1) + + # number of images from digilib + if docinfo.get('imagePath', None): + docinfo['imageURL'] = self.digilibBaseUrl + "/servlet/Scaler?fn=" + docinfo['imagePath'] + docinfo = self.getDocinfoFromDigilib(docinfo, docinfo['imagePath']) + + logging.debug("documentViewer (getdocinfo) docinfo: keys=%s"%docinfo.keys()) + #logging.debug("documentViewer (getdocinfo) docinfo: %s"%docinfo) + # store in session + self.REQUEST.SESSION['docinfo'] = docinfo 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.getDomFromIndexMeta(path) - - docinfo['indexMetaPath']=self.getIndexMetaPath(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) - logging.debug("documentViewer (getbibinfofromindexmeta) bibmap:"+repr(bibmap)) - logging.debug("documentViewer (getbibinfofromindexmeta) bibtype:"+repr(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""" - logging.debug("documentViewer (getdocinfofromtexttool) 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.getDomFromIndexMeta(url) - - archivePath = None - archiveName = None - - archiveNames = dom.xpath("//resource/name") - if archiveNames and (len(archiveNames) > 0): - archiveName = getTextFromNode(archiveNames[0]) - else: - logging.warning("documentViewer (getdocinfofromtexttool) 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 - logging.warning("documentViewer (getdocinfofromtexttool) resource/archive-path missing in: %s" % (url)) - if (not url.startswith('http')): - archivePath = url.replace('index.meta', '') + def getDocinfoFromResource(self, docinfo, resource): + """reads contents of resource element into docinfo""" + docName = resource.get('name', None) + docinfo['documentName'] = docName + docPath = resource.get('archive-path', None) + if docPath: + # clean up document path + if docPath[0] != '/': + docPath = '/' + docPath - 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 docName and (not docPath.endswith(docName)): + docPath += "/" + docName - if imageDir and archivePath: + else: + # use docUrl as docPath + docUrl = docinfo['documentURL'] + if not docUrl.startswith('http:'): + docPath = docUrl + if docPath: + # fix URLs starting with /mpiwg/online + docPath = docPath.replace('/mpiwg/online', '', 1) + + docinfo['documentPath'] = docPath + return docinfo + + def getDocinfoFromTexttool(self, docinfo, texttool): + """reads contents of texttool element into docinfo""" + # image dir + imageDir = texttool.get('image', None) + docPath = docinfo.get('documentPath', None) + if imageDir and docPath: #print "image: ", imageDir, " archivepath: ", archivePath - imageDir = os.path.join(archivePath, imageDir) - imageDir = imageDir.replace("/mpiwg/online", '') - docinfo = self.getDirinfoFromDigilib(imageDir, docinfo=docinfo) + imageDir = os.path.join(docPath, imageDir) + imageDir = imageDir.replace('/mpiwg/online', '', 1) 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 # old style text URL - textUrls = dom.xpath("//texttool/text") - if textUrls and (len(textUrls) > 0): - textUrl = getTextFromNode(textUrls[0]) + textUrl = texttool.get('text', None) + if textUrl and docPath: 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) + textUrl = os.path.join(docPath, textUrl) docinfo['textURL'] = textUrl # new style text-url-path - textUrls = dom.xpath("//texttool/text-url-path") - if textUrls and (len(textUrls) > 0): - textUrl = getTextFromNode(textUrls[0]) + textUrl = texttool.get('text-url-path', None) + if textUrl: docinfo['textURLPath'] = textUrl - if not docinfo['imagePath']: - # text-only, no page images - docinfo = self.getNumPages(docinfo) - - 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) + + # page flow + docinfo['pageFlow'] = texttool.get('page-flow', 'ltr') + + # odd pages are left + docinfo['oddPage'] = texttool.get('odd-scan-position', 'left') + + # number of title page (0: not defined) + docinfo['titlePage'] = texttool.get('title-scan-no', 0) + + # old presentation stuff + presentation = texttool.get('presentation', None) + if presentation and docPath: + if presentation.startswith('http:'): + docinfo['presentationUrl'] = presentation else: - presentationUrl = url + "/" + presentationPath - - docinfo = self.getBibinfoFromTextToolPresentation(presentationUrl, docinfo=docinfo, dom=dom) - - docinfo = self.getAuthinfoFromIndexMeta(url, docinfo=docinfo, dom=dom) # get access info + docinfo['presentationUrl'] = os.path.join(docPath, presentation) + 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 + + def getDocinfoFromBib(self, docinfo, bib): + """reads contents of bib element into docinfo""" + logging.debug("getDocinfoFromBib bib=%s"%repr(bib)) + # put all raw bib fields in dict "bib" + docinfo['bib'] = bib + bibtype = bib.get('@type', None) + docinfo['bibType'] = bibtype + # also store DC metadata for convenience + dc = self.metadataService.getDCMappedData(bib) + docinfo['creator'] = dc.get('creator',None) + docinfo['title'] = dc.get('title',None) + docinfo['date'] = dc.get('date',None) + return docinfo + + def getDocinfoFromAccess(self, docinfo, acc): + """reads contents of access element into docinfo""" + #TODO: also read resource type + logging.debug("getDocinfoFromAccess acc=%s"%repr(acc)) try: - docinfo['year']=getTextFromNode(dom.xpath("//date")[0]) + acctype = acc['@attr']['type'] + if acctype: + access=acctype + if access in ['group', 'institution']: + access = acc['name'].lower() + + docinfo['accessType'] = access + except: pass + return docinfo - - def 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.""" - logging.debug("documentViewer (getdocinfofromimagepath) 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.debug("documentViewer (getdocinfofromimagepath) 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) + + def getDocinfoFromDigilib(self, docinfo, path): + infoUrl=self.digilibBaseUrl+"/dirInfo-xml.jsp?mo=dir&fn="+path + # fetch data + txt = getHttpData(infoUrl) + if not txt: + logging.error("Unable to get dir-info from %s"%(infoUrl)) + return docinfo + + dom = ET.fromstring(txt) + size = getText(dom.find("size")) + logging.debug("getDocinfoFromDigilib: size=%s"%size) + if size: + docinfo['numPages'] = int(size) + else: + docinfo['numPages'] = 0 + + # TODO: produce and keep list of image names and numbers return docinfo - - - def getDocinfo(self, mode, url): - """returns docinfo depending on mode""" - logging.debug("documentViewer (getdocinfo) mode: %s, url: %s"%(mode,url)) - # look for cached docinfo in session - if self.REQUEST.SESSION.has_key('docinfo'): - docinfo = self.REQUEST.SESSION['docinfo'] - # check if its still current - if docinfo is not None and docinfo.get('mode') == mode and docinfo.get('url') == url: - logging.debug("documentViewer (getdocinfo) 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) + + + def getDocinfoFromPresentationInfoXml(self,docinfo): + """gets DC-like bibliographical information from the presentation entry in texttools""" + url = docinfo.get('presentationUrl', None) + if not url: + logging.error("getDocinfoFromPresentation: no URL!") + return docinfo + + dom = None + metaUrl = None + if url.startswith("http://"): + # real URL + metaUrl = url else: - logging.error("documentViewer (getdocinfo) unknown mode: %s!"%mode) - raise ValueError("Unknown mode %s! Has to be one of 'texttool','imagepath','filepath'."%(mode)) - - logging.debug("documentViewer (getdocinfo) docinfo: %s"%docinfo) - self.REQUEST.SESSION['docinfo'] = docinfo + # online path + + server=self.digilibBaseUrl+"/servlet/Texter?fn=" + metaUrl=server+url + + txt=getHttpData(metaUrl) + if txt is None: + logging.error("Unable to read info.xml from %s"%(url)) + return docinfo + + dom = ET.fromstring(txt) + docinfo['creator']=getText(dom.find(".//author")) + docinfo['title']=getText(dom.find(".//title")) + docinfo['date']=getText(dom.find(".//date")) return docinfo - - def getPageinfo(self, current, start=None, rows=None, cols=None, docinfo=None, viewMode=None, tocMode=None,characterNormalization=""): + + + def getPageinfo(self, current=None, start=None, rows=None, cols=None, docinfo=None, viewMode=None, viewType=None, tocMode=None): """returns pageinfo with the given parameters""" + logging.debug("getPageInfo(current=%s, start=%s, rows=%s, cols=%s, viewMode=%s, viewType=%s, tocMode=%s)"%(current,start,rows,cols,viewMode,viewType,tocMode)) pageinfo = {} + pageinfo['viewMode'] = viewMode + pageinfo['viewType'] = viewType + pageinfo['tocMode'] = tocMode + current = getInt(current) pageinfo['current'] = current + pageinfo['pn'] = current rows = int(rows or self.thumbrows) pageinfo['rows'] = rows cols = int(cols or self.thumbcols) pageinfo['cols'] = cols grpsize = cols * rows pageinfo['groupsize'] = grpsize + # is start is empty use one around current start = getInt(start, default=(math.ceil(float(current)/float(grpsize))*grpsize-(grpsize-1))) # int(current / grpsize) * grpsize +1)) pageinfo['start'] = start - 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['characterNormalization'] =characterNormalization - pageinfo['characterNormalization'] = self.REQUEST.get('characterNormalization',' ') - pageinfo['query'] = self.REQUEST.get('query',' ') - pageinfo['queryType'] = self.REQUEST.get('queryType',' ') + + np = int(docinfo.get('numPages', 0)) + if np == 0: + # numPages unknown - maybe we can get it from text page + if docinfo.get('textURLPath', None): + # cache text page as well + pageinfo['textPage'] = self.getTextPage(mode=viewType, pn=current, docinfo=docinfo, pageinfo=pageinfo) + np = int(docinfo.get('numPages', 0)) + + pageinfo['numgroups'] = int(np / grpsize) + if np % grpsize > 0: + pageinfo['numgroups'] += 1 + + pageFlowLtr = docinfo.get('pageFlow', 'ltr') != 'rtl' + oddScanLeft = docinfo.get('oddPage', 'left') != 'right' + # add zeroth page for two columns + pageZero = (cols == 2 and (pageFlowLtr != oddScanLeft)) + pageinfo['pageZero'] = pageZero + pageinfo['pageBatch'] = self.getPageBatch(start=start, rows=rows, cols=cols, pageFlowLtr=pageFlowLtr, pageZero=pageZero, minIdx=1, maxIdx=np) + + # TODO: do we need this here? + pageinfo['characterNormalization'] = self.REQUEST.get('characterNormalization','reg') + pageinfo['query'] = self.REQUEST.get('query','') + pageinfo['queryType'] = self.REQUEST.get('queryType','') pageinfo['querySearch'] =self.REQUEST.get('querySearch', 'fulltext') - pageinfo['textPN'] = self.REQUEST.get('textPN','1') pageinfo['highlightQuery'] = self.REQUEST.get('highlightQuery','') - pageinfo['tocPageSize'] = self.REQUEST.get('tocPageSize', '30') - pageinfo['queryPageSize'] =self.REQUEST.get('queryPageSize', '10') - pageinfo['tocPN'] = self.REQUEST.get('tocPN', '1') - toc = int (pageinfo['tocPN']) - pageinfo['textPages'] =int (toc) + pageinfo['tocPageSize'] = getInt(self.REQUEST.get('tocPageSize', 30)) + pageinfo['queryPageSize'] = getInt(self.REQUEST.get('queryPageSize', 10)) + pageinfo['tocPN'] = getInt(self.REQUEST.get('tocPN', '1')) + pageinfo['searchPN'] = getInt(self.REQUEST.get('searchPN','1')) + # limit tocPN if 'tocSize_%s'%tocMode in docinfo: - tocSize = int(docinfo['tocSize_%s'%tocMode]) - tocPageSize = int(pageinfo['tocPageSize']) + tocSize = docinfo['tocSize_%s'%tocMode] + tocPageSize = pageinfo['tocPageSize'] # cached toc if tocSize%tocPageSize>0: tocPages=tocSize/tocPageSize+1 else: tocPages=tocSize/tocPageSize - pageinfo['tocPN'] = min (tocPages,toc) - pageinfo['searchPN'] =self.REQUEST.get('searchPN','1') - pageinfo['sn'] =self.REQUEST.get('sn','') + + pageinfo['tocPN'] = min(tocPages,pageinfo['tocPN']) + return pageinfo + + + def getPageBatch(self, start=1, rows=10, cols=2, pageFlowLtr=True, pageZero=False, minIdx=1, maxIdx=0): + """returns dict with array of page informations for one screenfull of thumbnails""" + batch = {} + grpsize = rows * cols + if maxIdx == 0: + maxIdx = start + grpsize + + nb = int(math.ceil(maxIdx / float(grpsize))) + # list of all batch start and end points + batches = [] + if pageZero: + ofs = 0 + else: + ofs = 1 + + for i in range(nb): + s = i * grpsize + ofs + e = min((i + 1) * grpsize + ofs - 1, maxIdx) + batches.append({'start':s, 'end':e}) + + batch['batches'] = batches + + pages = [] + if pageZero and start == 1: + # correct beginning + idx = 0 + else: + idx = start + + for r in range(rows): + row = [] + for c in range(cols): + if idx < minIdx or idx > maxIdx: + page = {'idx':None} + else: + page = {'idx':idx} + + idx += 1 + if pageFlowLtr: + row.append(page) + else: + row.insert(0, page) + + pages.append(row) + + if start > 1: + batch['prevStart'] = max(start - grpsize, 1) + else: + batch['prevStart'] = None + + if start + grpsize < maxIdx: + batch['nextStart'] = start + grpsize + else: + batch['nextStart'] = None + + batch['pages'] = pages + return batch + + def getBatch(self, start=1, size=10, end=0, data=None, fullData=True): + """returns dict with information for one screenfull of data.""" + batch = {} + if end == 0: + end = start + size + + nb = int(math.ceil(end / float(size))) + # list of all batch start and end points + batches = [] + for i in range(nb): + s = i * size + 1 + e = min((i + 1) * size, end) + batches.append({'start':s, 'end':e}) + + batch['batches'] = batches + # list of elements in this batch + this = [] + j = 0 + for i in range(start, min(start+size, end)): + if data: + if fullData: + d = data[i] + else: + d = data[j] + j += 1 + + else: + d = i+1 + + this.append(d) + + batch['this'] = this + if start > 1: + batch['prevStart'] = max(start - size, 1) + else: + batch['prevStart'] = None + + if start + size < end: + batch['nextStart'] = start + size + else: + batch['nextStart'] = None + + return batch + + + security.declareProtected('View management screens','changeDocumentViewerForm') + changeDocumentViewerForm = PageTemplateFile('zpt/changeDocumentViewer', globals()) -def changeDocumentViewer(self,title="",digilibBaseUrl=None,thumbrows=2,thumbcols=5,authgroups='mpiwg',RESPONSE=None): + def changeDocumentViewer(self,title="",digilibBaseUrl=None,thumbrows=2,thumbcols=5,authgroups='mpiwg',RESPONSE=None): """init document viewer""" self.title=title self.digilibBaseUrl = digilibBaseUrl self.thumbrows = thumbrows self.thumbcols = thumbcols self.authgroups = [s.strip().lower() for s in authgroups.split(',')] + try: + # assume MetaDataFolder instance is called metadata + self.metadataService = getattr(self, 'metadata') + except Exception, e: + logging.error("Unable to find MetaDataFolder 'metadata': "+str(e)) + if RESPONSE is not None: RESPONSE.redirect('manage_main')