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