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