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