Annotation of documentViewer/documentViewer.py, revision 1.42
1.18 dwinter 1:
1.1 dwinter 2: from OFS.Folder import Folder
3: from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate
1.22 dwinter 4: from Products.PageTemplates.PageTemplateFile import PageTemplateFile
1.1 dwinter 5: from AccessControl import ClassSecurityInfo
1.8 casties 6: from AccessControl import getSecurityManager
1.1 dwinter 7: from Globals import package_home
8:
9: from Ft.Xml.Domlette import NonvalidatingReader
10: from Ft.Xml.Domlette import PrettyPrint, Print
1.11 casties 11: from Ft.Xml import EMPTY_NAMESPACE, Parse
1.1 dwinter 12:
1.42 ! abukhman 13:
1.1 dwinter 14: import Ft.Xml.XPath
1.42 ! abukhman 15: import xmlrpclib
1.1 dwinter 16: import os.path
1.7 casties 17: import sys
1.1 dwinter 18: import cgi
19: import urllib
1.20 dwinter 20: import logging
1.28 casties 21: import math
1.22 dwinter 22:
1.18 dwinter 23: import urlparse
1.37 dwinter 24: from types import *
1.22 dwinter 25: def logger(txt,method,txt2):
26: """logging"""
27: logging.info(txt+ txt2)
28:
29:
1.4 casties 30: def getInt(number, default=0):
31: """returns always an int (0 in case of problems)"""
32: try:
33: return int(number)
34: except:
1.29 casties 35: return int(default)
1.4 casties 36:
1.1 dwinter 37: def getTextFromNode(nodename):
1.18 dwinter 38: """get the cdata content of a node"""
1.8 casties 39: if nodename is None:
40: return ""
1.1 dwinter 41: nodelist=nodename.childNodes
42: rc = ""
43: for node in nodelist:
44: if node.nodeType == node.TEXT_NODE:
45: rc = rc + node.data
46: return rc
47:
1.9 casties 48:
49: def getParentDir(path):
50: """returns pathname shortened by one"""
51: return '/'.join(path.split('/')[0:-1])
52:
53:
1.1 dwinter 54: import socket
55:
1.8 casties 56: def urlopen(url,timeout=2):
1.1 dwinter 57: """urlopen mit timeout"""
1.8 casties 58: socket.setdefaulttimeout(timeout)
1.1 dwinter 59: ret=urllib.urlopen(url)
60: socket.setdefaulttimeout(5)
61: return ret
62:
63:
1.3 casties 64: ##
65: ## documentViewer class
66: ##
67: class documentViewer(Folder):
1.1 dwinter 68: """document viewer"""
1.20 dwinter 69: #textViewerUrl="http://127.0.0.1:8080/HFQP/testXSLT/getPage?"
1.18 dwinter 70:
1.1 dwinter 71: meta_type="Document viewer"
72:
73: security=ClassSecurityInfo()
1.3 casties 74: manage_options=Folder.manage_options+(
1.1 dwinter 75: {'label':'main config','action':'changeDocumentViewerForm'},
76: )
77:
1.3 casties 78: # templates and forms
79: viewer_main = PageTemplateFile('zpt/viewer_main', globals())
80: thumbs_main = PageTemplateFile('zpt/thumbs_main', globals())
81: image_main = PageTemplateFile('zpt/image_main', globals())
82: head_main = PageTemplateFile('zpt/head_main', globals())
83: docuviewer_css = PageTemplateFile('css/docuviewer.css', globals())
1.26 casties 84: info_xml = PageTemplateFile('zpt/info_xml', globals())
1.3 casties 85:
1.32 dwinter 86: thumbs_main_rss = PageTemplateFile('zpt/thumbs_main_rss', globals())
1.3 casties 87: security.declareProtected('View management screens','changeDocumentViewerForm')
88: changeDocumentViewerForm = PageTemplateFile('zpt/changeDocumentViewer', globals())
89:
1.1 dwinter 90:
1.18 dwinter 91: def __init__(self,id,imageViewerUrl,textViewerUrl=None,title="",digilibBaseUrl=None,thumbcols=2,thumbrows=10,authgroups="mpiwg"):
1.1 dwinter 92: """init document viewer"""
93: self.id=id
94: self.title=title
95: self.imageViewerUrl=imageViewerUrl
1.18 dwinter 96: self.textViewerUrl=textViewerUrl
97:
1.4 casties 98: if not digilibBaseUrl:
1.3 casties 99: self.digilibBaseUrl = self.findDigilibUrl()
1.4 casties 100: else:
101: self.digilibBaseUrl = digilibBaseUrl
102: self.thumbcols = thumbcols
103: self.thumbrows = thumbrows
1.8 casties 104: # authgroups is list of authorized groups (delimited by ,)
105: self.authgroups = [s.strip().lower() for s in authgroups.split(',')]
1.3 casties 106: # add template folder so we can always use template.something
107: self.manage_addFolder('template')
108:
109:
1.32 dwinter 110: security.declareProtected('View','thumbs_rss')
111: def thumbs_rss(self,mode,url,viewMode="auto",start=None,pn=1):
112: '''
113: view it
114: @param mode: defines how to access the document behind url
115: @param url: url which contains display information
116: @param viewMode: if images display images, if text display text, default is images (text,images or auto)
117:
118: '''
119: logging.info("HHHHHHHHHHHHHH:load the rss")
120: logger("documentViewer (index)", logging.INFO, "mode: %s url:%s start:%s pn:%s"%(mode,url,start,pn))
121:
122: if not hasattr(self, 'template'):
123: # create template folder if it doesn't exist
124: self.manage_addFolder('template')
125:
126: if not self.digilibBaseUrl:
127: self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"
128:
129: docinfo = self.getDocinfo(mode=mode,url=url)
130: pageinfo = self.getPageinfo(start=start,current=pn,docinfo=docinfo)
131: pt = getattr(self.template, 'thumbs_main_rss')
132:
133: if viewMode=="auto": # automodus gewaehlt
134: if docinfo.get("textURL",'') and self.textViewerUrl: #texturl gesetzt und textViewer konfiguriert
135: viewMode="text"
136: else:
137: viewMode="images"
138:
139: return pt(docinfo=docinfo,pageinfo=pageinfo,viewMode=viewMode)
140:
1.3 casties 141: security.declareProtected('View','index_html')
1.36 dwinter 142: def index_html(self,mode,url,viewMode="auto",start=None,pn=1,mk=None):
1.3 casties 143: '''
144: view it
1.26 casties 145: @param mode: defines how to access the document behind url
1.3 casties 146: @param url: url which contains display information
1.26 casties 147: @param viewMode: if images display images, if text display text, default is images (text,images or auto)
1.18 dwinter 148:
1.3 casties 149: '''
150:
1.22 dwinter 151: logger("documentViewer (index)", logging.INFO, "mode: %s url:%s start:%s pn:%s"%(mode,url,start,pn))
1.1 dwinter 152:
1.3 casties 153: if not hasattr(self, 'template'):
154: # create template folder if it doesn't exist
155: self.manage_addFolder('template')
156:
157: if not self.digilibBaseUrl:
158: self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"
159:
1.4 casties 160: docinfo = self.getDocinfo(mode=mode,url=url)
161: pageinfo = self.getPageinfo(start=start,current=pn,docinfo=docinfo)
1.3 casties 162: pt = getattr(self.template, 'viewer_main')
1.21 dwinter 163:
164: if viewMode=="auto": # automodus gewaehlt
165: if docinfo.get("textURL",'') and self.textViewerUrl: #texturl gesetzt und textViewer konfiguriert
166: viewMode="text"
167: else:
168: viewMode="images"
1.22 dwinter 169:
1.37 dwinter 170: return pt(docinfo=docinfo,pageinfo=pageinfo,viewMode=viewMode,mk=self.generateMarks(mk))
1.1 dwinter 171:
1.36 dwinter 172: def generateMarks(self,mk):
173: ret=""
1.37 dwinter 174: if mk is None:
175: return ""
176:
177: if type(mk) is not ListType:
178: mk=[mk]
1.36 dwinter 179: for m in mk:
1.37 dwinter 180: ret+="mk=%s"%m
1.36 dwinter 181: return ret
182:
1.4 casties 183: def getLink(self,param=None,val=None):
184: """link to documentviewer with parameter param set to val"""
1.9 casties 185: params=self.REQUEST.form.copy()
1.4 casties 186: if param is not None:
1.7 casties 187: if val is None:
188: if params.has_key(param):
189: del params[param]
1.4 casties 190: else:
1.9 casties 191: params[param] = str(val)
1.38 dwinter 192: if params["mode"] == "filepath": #wenn beim erst Aufruf filepath gesetzt wurde aendere das nun zu imagepath
193: params["mode"] = "imagepath"
194: params["url"] = getParentDir(params["url"])
1.7 casties 195:
1.9 casties 196: # quote values and assemble into query string
197: ps = "&".join(["%s=%s"%(k,urllib.quote(v)) for (k, v) in params.items()])
198: url=self.REQUEST['URL1']+"?"+ps
1.4 casties 199: return url
200:
1.32 dwinter 201: def getLinkAmp(self,param=None,val=None):
202: """link to documentviewer with parameter param set to val"""
203: params=self.REQUEST.form.copy()
204: if param is not None:
205: if val is None:
206: if params.has_key(param):
207: del params[param]
208: else:
209: params[param] = str(val)
210:
211: # quote values and assemble into query string
212: logging.info("XYXXXXX: %s"%repr(params.items()))
213: ps = "&".join(["%s=%s"%(k,urllib.quote(v)) for (k, v) in params.items()])
214: url=self.REQUEST['URL1']+"?"+ps
215: return url
1.40 casties 216:
1.26 casties 217: def getInfo_xml(self,url,mode):
218: """returns info about the document as XML"""
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: pt = getattr(self.template, 'info_xml')
225: return pt(docinfo=docinfo)
226:
1.4 casties 227:
1.3 casties 228: def getStyle(self, idx, selected, style=""):
1.4 casties 229: """returns a string with the given style and append 'sel' if path == selected."""
1.22 dwinter 230: #logger("documentViewer (getstyle)", logging.INFO, "idx: %s selected: %s style: %s"%(idx,selected,style))
1.3 casties 231: if idx == selected:
232: return style + 'sel'
233: else:
1.9 casties 234: return style
1.26 casties 235:
1.42 ! abukhman 236: def getTextLanguage(self,url,docinfo):
! 237: docinfo['lang']=getTextFromNode(dom.xpath("//bib/lang")[0])
! 238: lang = urlencode({'':docinfo['lang']})
! 239: return lang
! 240:
1.2 dwinter 241:
1.9 casties 242: def isAccessible(self, docinfo):
1.8 casties 243: """returns if access to the resource is granted"""
244: access = docinfo.get('accessType', None)
1.22 dwinter 245: logger("documentViewer (accessOK)", logging.INFO, "access type %s"%access)
1.17 casties 246: if access is not None and access == 'free':
1.22 dwinter 247: logger("documentViewer (accessOK)", logging.INFO, "access is free")
1.8 casties 248: return True
1.17 casties 249: elif access is None or access in self.authgroups:
1.9 casties 250: # only local access -- only logged in users
251: user = getSecurityManager().getUser()
252: if user is not None:
253: #print "user: ", user
254: return (user.getUserName() != "Anonymous User")
255: else:
256: return False
1.8 casties 257:
1.22 dwinter 258: logger("documentViewer (accessOK)", logging.INFO, "unknown access type %s"%access)
1.8 casties 259: return False
1.9 casties 260:
1.8 casties 261:
1.35 dwinter 262: def getDirinfoFromDigilib(self,path,docinfo=None,cut=0):
1.6 casties 263: """gibt param von dlInfo aus"""
1.13 casties 264: num_retries = 3
1.7 casties 265: if docinfo is None:
266: docinfo = {}
1.35 dwinter 267:
268: for x in range(cut):
1.38 dwinter 269:
1.35 dwinter 270: path=getParentDir(path)
1.38 dwinter 271:
1.13 casties 272: infoUrl=self.digilibBaseUrl+"/dirInfo-xml.jsp?mo=dir&fn="+path
1.6 casties 273:
1.22 dwinter 274: logger("documentViewer (getparamfromdigilib)", logging.INFO, "dirInfo from %s"%(infoUrl))
1.6 casties 275:
1.13 casties 276: for cnt in range(num_retries):
1.9 casties 277: try:
1.13 casties 278: # dom = NonvalidatingReader.parseUri(imageUrl)
279: txt=urllib.urlopen(infoUrl).read()
280: dom = Parse(txt)
1.9 casties 281: break
282: except:
1.22 dwinter 283: logger("documentViewer (getdirinfofromdigilib)", logging.ERROR, "error reading %s (try %d)"%(infoUrl,cnt))
1.9 casties 284: else:
1.13 casties 285: raise IOError("Unable to get dir-info from %s"%(infoUrl))
1.6 casties 286:
1.10 casties 287: sizes=dom.xpath("//dir/size")
1.22 dwinter 288: logger("documentViewer (getparamfromdigilib)", logging.INFO, "dirInfo:size"%sizes)
1.6 casties 289:
1.10 casties 290: if sizes:
291: docinfo['numPages'] = int(getTextFromNode(sizes[0]))
1.7 casties 292: else:
293: docinfo['numPages'] = 0
294:
295: return docinfo
1.8 casties 296:
1.6 casties 297:
1.9 casties 298: def getIndexMeta(self, url):
299: """returns dom of index.meta document at url"""
1.12 casties 300: num_retries = 3
1.9 casties 301: dom = None
1.12 casties 302: metaUrl = None
1.9 casties 303: if url.startswith("http://"):
304: # real URL
1.12 casties 305: metaUrl = url
1.9 casties 306: else:
307: # online path
308: server=self.digilibBaseUrl+"/servlet/Texter?fn="
1.13 casties 309: metaUrl=server+url.replace("/mpiwg/online","")
1.9 casties 310: if not metaUrl.endswith("index.meta"):
311: metaUrl += "/index.meta"
1.37 dwinter 312: logging.debug("METAURL: %s"%metaUrl)
1.13 casties 313: for cnt in range(num_retries):
1.9 casties 314: try:
1.12 casties 315: # patch dirk encoding fehler treten dann nicht mehr auf
1.11 casties 316: # dom = NonvalidatingReader.parseUri(metaUrl)
1.12 casties 317: txt=urllib.urlopen(metaUrl).read()
318: dom = Parse(txt)
1.13 casties 319: break
1.9 casties 320: except:
1.22 dwinter 321: logger("ERROR documentViewer (getIndexMata)", logging.INFO,"%s (%s)"%sys.exc_info()[0:2])
1.12 casties 322:
323: if dom is None:
324: raise IOError("Unable to read index meta from %s"%(url))
1.9 casties 325:
326: return dom
1.20 dwinter 327:
328: def getPresentationInfoXML(self, url):
329: """returns dom of info.xml document at url"""
330: num_retries = 3
331: dom = None
332: metaUrl = None
333: if url.startswith("http://"):
334: # real URL
335: metaUrl = url
336: else:
337: # online path
338: server=self.digilibBaseUrl+"/servlet/Texter?fn="
339: metaUrl=server+url.replace("/mpiwg/online","")
340:
341:
342: for cnt in range(num_retries):
343: try:
344: # patch dirk encoding fehler treten dann nicht mehr auf
345: # dom = NonvalidatingReader.parseUri(metaUrl)
346: txt=urllib.urlopen(metaUrl).read()
347: dom = Parse(txt)
348: break
349: except:
1.22 dwinter 350: logger("ERROR documentViewer (getPresentationInfoXML)", logging.INFO,"%s (%s)"%sys.exc_info()[0:2])
1.20 dwinter 351:
352: if dom is None:
353: raise IOError("Unable to read infoXMLfrom %s"%(url))
354:
355: return dom
1.9 casties 356:
357:
1.33 dwinter 358: def getAuthinfoFromIndexMeta(self,path,docinfo=None,dom=None,cut=0):
1.9 casties 359: """gets authorization info from the index.meta file at path or given by dom"""
1.22 dwinter 360: logger("documentViewer (getauthinfofromindexmeta)", logging.INFO,"path: %s"%(path))
1.8 casties 361:
362: access = None
363:
364: if docinfo is None:
365: docinfo = {}
366:
367: if dom is None:
1.38 dwinter 368: for x in range(cut):
1.33 dwinter 369: path=getParentDir(path)
370: dom = self.getIndexMeta(path)
1.18 dwinter 371:
1.8 casties 372: acctype = dom.xpath("//access-conditions/access/@type")
373: if acctype and (len(acctype)>0):
374: access=acctype[0].value
1.9 casties 375: if access in ['group', 'institution']:
1.8 casties 376: access = getTextFromNode(dom.xpath("//access-conditions/access/name")[0]).lower()
377:
378: docinfo['accessType'] = access
379: return docinfo
1.6 casties 380:
1.8 casties 381:
1.33 dwinter 382: def getBibinfoFromIndexMeta(self,path,docinfo=None,dom=None,cut=0):
1.9 casties 383: """gets bibliographical info from the index.meta file at path or given by dom"""
1.27 casties 384: logging.debug("documentViewer (getbibinfofromindexmeta) path: %s"%(path))
1.2 dwinter 385:
1.3 casties 386: if docinfo is None:
387: docinfo = {}
1.38 dwinter 388:
1.3 casties 389: if dom is None:
1.38 dwinter 390: for x in range(cut):
1.33 dwinter 391: path=getParentDir(path)
392: dom = self.getIndexMeta(path)
1.39 dwinter 393:
394: logging.debug("documentViewer (getbibinfofromindexmeta cutted) path: %s"%(path))
1.27 casties 395: # put in all raw bib fields as dict "bib"
396: bib = dom.xpath("//bib/*")
397: if bib and len(bib)>0:
398: bibinfo = {}
399: for e in bib:
400: bibinfo[e.localName] = getTextFromNode(e)
401: docinfo['bib'] = bibinfo
402:
403: # extract some fields (author, title, year) according to their mapping
1.4 casties 404: metaData=self.metadata.main.meta.bib
405: bibtype=dom.xpath("//bib/@type")
406: if bibtype and (len(bibtype)>0):
407: bibtype=bibtype[0].value
1.2 dwinter 408: else:
1.4 casties 409: bibtype="generic"
1.27 casties 410:
1.4 casties 411: bibtype=bibtype.replace("-"," ") # wrong typesiin index meta "-" instead of " " (not wrong! ROC)
1.27 casties 412: docinfo['bib_type'] = bibtype
1.4 casties 413: bibmap=metaData.generateMappingForType(bibtype)
1.8 casties 414: # if there is no mapping bibmap is empty (mapping sometimes has empty fields)
1.7 casties 415: if len(bibmap) > 0 and len(bibmap['author'][0]) > 0:
1.30 casties 416: try:
417: docinfo['author']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['author'][0])[0])
418: except: pass
419: try:
420: docinfo['title']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['title'][0])[0])
421: except: pass
422: try:
423: docinfo['year']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['year'][0])[0])
424: except: pass
1.27 casties 425: logging.debug("documentViewer (getbibinfofromindexmeta) using mapping for %s"%bibtype)
1.22 dwinter 426: try:
427: docinfo['lang']=getTextFromNode(dom.xpath("//bib/lang")[0])
428: except:
429: docinfo['lang']=''
1.27 casties 430:
1.3 casties 431: return docinfo
1.42 ! abukhman 432:
! 433:
! 434: def getNumPages(self, xquery, docinfo=None): #New Method 24.02.2010
! 435: text=self.viewerTemplates.query.eval("/mpdl/interface/xquery.xql","document="+ docinfo['textURLPath'] +"&xquery="+str(xquery))
! 436: docinfo['numPages'] = text.count("<pb ")
! 437: return docinfo
! 438:
1.3 casties 439:
1.8 casties 440: def getDocinfoFromTextTool(self,url,dom=None,docinfo=None):
1.3 casties 441: """parse texttool tag in index meta"""
1.22 dwinter 442: logger("documentViewer (getdocinfofromtexttool)", logging.INFO,"url: %s"%(url))
1.3 casties 443: if docinfo is None:
444: docinfo = {}
445:
1.22 dwinter 446: if docinfo.get('lang',None) is None:
447: docinfo['lang']='' # default keine Sprache gesetzt
1.8 casties 448: if dom is None:
1.9 casties 449: dom = self.getIndexMeta(url)
1.8 casties 450:
1.16 casties 451: archivePath = None
452: archiveName = None
453:
1.8 casties 454: archiveNames=dom.xpath("//resource/name")
455: if archiveNames and (len(archiveNames)>0):
456: archiveName=getTextFromNode(archiveNames[0])
1.16 casties 457: else:
1.22 dwinter 458: logger("documentViewer (getdocinfofromtexttool)", logging.WARNING,"resource/name missing in: %s"%(url))
1.3 casties 459:
460: archivePaths=dom.xpath("//resource/archive-path")
461: if archivePaths and (len(archivePaths)>0):
462: archivePath=getTextFromNode(archivePaths[0])
1.8 casties 463: # clean up archive path
464: if archivePath[0] != '/':
465: archivePath = '/' + archivePath
1.16 casties 466: if archiveName and (not archivePath.endswith(archiveName)):
1.8 casties 467: archivePath += "/" + archiveName
1.3 casties 468: else:
1.16 casties 469: # try to get archive-path from url
1.22 dwinter 470: logger("documentViewer (getdocinfofromtexttool)", logging.WARNING,"resource/archive-path missing in: %s"%(url))
1.16 casties 471: if (not url.startswith('http')):
472: archivePath = url.replace('index.meta', '')
473:
474: if archivePath is None:
475: # we balk without archive-path
476: raise IOError("Missing archive-path (for text-tool) in %s"%(url))
1.3 casties 477:
1.9 casties 478: imageDirs=dom.xpath("//texttool/image")
479: if imageDirs and (len(imageDirs)>0):
480: imageDir=getTextFromNode(imageDirs[0])
1.42 ! abukhman 481:
1.3 casties 482: else:
1.22 dwinter 483: # we balk with no image tag / not necessary anymore because textmode is now standard
484: #raise IOError("No text-tool info in %s"%(url))
485: imageDir=""
1.42 ! abukhman 486: #xquery="//pb"
1.22 dwinter 487: docinfo['imagePath'] = "" # keine Bilder
488: docinfo['imageURL'] = ""
1.42 ! abukhman 489:
1.9 casties 490: if imageDir and archivePath:
491: #print "image: ", imageDir, " archivepath: ", archivePath
492: imageDir=os.path.join(archivePath,imageDir)
493: imageDir=imageDir.replace("/mpiwg/online",'')
494: docinfo=self.getDirinfoFromDigilib(imageDir,docinfo=docinfo)
495: docinfo['imagePath'] = imageDir
1.38 dwinter 496:
1.9 casties 497: docinfo['imageURL'] = self.digilibBaseUrl+"/servlet/Scaler?fn="+imageDir
1.3 casties 498:
499: viewerUrls=dom.xpath("//texttool/digiliburlprefix")
500: if viewerUrls and (len(viewerUrls)>0):
501: viewerUrl=getTextFromNode(viewerUrls[0])
1.7 casties 502: docinfo['viewerURL'] = viewerUrl
1.3 casties 503:
504: textUrls=dom.xpath("//texttool/text")
505: if textUrls and (len(textUrls)>0):
506: textUrl=getTextFromNode(textUrls[0])
1.19 dwinter 507: if urlparse.urlparse(textUrl)[0]=="": #keine url
508: textUrl=os.path.join(archivePath,textUrl)
1.31 casties 509: # fix URLs starting with /mpiwg/online
510: if textUrl.startswith("/mpiwg/online"):
511: textUrl = textUrl.replace("/mpiwg/online",'',1)
512:
1.7 casties 513: docinfo['textURL'] = textUrl
1.20 dwinter 514:
1.41 abukhman 515: textUrls=dom.xpath("//texttool/text-url-path")
516: if textUrls and (len(textUrls)>0):
517: textUrl=getTextFromNode(textUrls[0])
1.42 ! abukhman 518: docinfo['textURLPath'] = textUrl
! 519:
1.20 dwinter 520: presentationUrls=dom.xpath("//texttool/presentation")
1.22 dwinter 521: docinfo = self.getBibinfoFromIndexMeta(url,docinfo=docinfo,dom=dom) # get info von bib tag
522:
523: if presentationUrls and (len(presentationUrls)>0): # ueberschreibe diese durch presentation informationen
1.41 abukhman 524: # presentation url ergiebt sich ersetzen von index.meta in der url der fuer die Metadaten
525: # durch den relativen Pfad auf die presentation infos
1.40 casties 526: presentationPath = getTextFromNode(presentationUrls[0])
527: if url.endswith("index.meta"):
528: presentationUrl=url.replace('index.meta',presentationPath)
529: else:
530: presentationUrl=url + "/" + presentationPath
1.42 ! abukhman 531: docinfo=self.getNumPages('//pb', docinfo) #im moment einfach auf eins setzen, navigation ueber die thumbs geht natuerlich nicht
1.20 dwinter 532: docinfo = self.getBibinfoFromTextToolPresentation(presentationUrl,docinfo=docinfo,dom=dom)
1.22 dwinter 533:
1.25 casties 534: docinfo = self.getAuthinfoFromIndexMeta(url,docinfo=docinfo,dom=dom) # get access info
1.42 ! abukhman 535:
1.3 casties 536: return docinfo
537:
1.20 dwinter 538:
539: def getBibinfoFromTextToolPresentation(self,url,docinfo=None,dom=None):
540: """gets the bibliographical information from the preseantion entry in texttools
541: """
542: dom=self.getPresentationInfoXML(url)
1.29 casties 543: try:
544: docinfo['author']=getTextFromNode(dom.xpath("//author")[0])
545: except:
546: pass
547: try:
548: docinfo['title']=getTextFromNode(dom.xpath("//title")[0])
549: except:
550: pass
551: try:
552: docinfo['year']=getTextFromNode(dom.xpath("//date")[0])
553: except:
554: pass
1.20 dwinter 555: return docinfo
556:
1.33 dwinter 557: def getDocinfoFromImagePath(self,path,docinfo=None,cut=0):
1.3 casties 558: """path ist the path to the images it assumes that the index.meta file is one level higher."""
1.22 dwinter 559: logger("documentViewer (getdocinfofromimagepath)", logging.INFO,"path: %s"%(path))
1.3 casties 560: if docinfo is None:
561: docinfo = {}
1.6 casties 562: path=path.replace("/mpiwg/online","")
1.3 casties 563: docinfo['imagePath'] = path
1.35 dwinter 564: docinfo=self.getDirinfoFromDigilib(path,docinfo=docinfo,cut=cut)
1.38 dwinter 565:
1.39 dwinter 566: pathorig=path
1.38 dwinter 567: for x in range(cut):
568: path=getParentDir(path)
569: logging.error("PATH:"+path)
1.7 casties 570: imageUrl=self.digilibBaseUrl+"/servlet/Scaler?fn="+path
1.3 casties 571: docinfo['imageURL'] = imageUrl
572:
1.39 dwinter 573: #path ist the path to the images it assumes that the index.meta file is one level higher.
574: docinfo = self.getBibinfoFromIndexMeta(pathorig,docinfo=docinfo,cut=cut+1)
575: docinfo = self.getAuthinfoFromIndexMeta(pathorig,docinfo=docinfo,cut=cut+1)
1.3 casties 576: return docinfo
577:
1.2 dwinter 578:
1.3 casties 579: def getDocinfo(self, mode, url):
580: """returns docinfo depending on mode"""
1.22 dwinter 581: logger("documentViewer (getdocinfo)", logging.INFO,"mode: %s, url: %s"%(mode,url))
1.3 casties 582: # look for cached docinfo in session
1.21 dwinter 583: if self.REQUEST.SESSION.has_key('docinfo'):
1.3 casties 584: docinfo = self.REQUEST.SESSION['docinfo']
585: # check if its still current
586: if docinfo is not None and docinfo.get('mode') == mode and docinfo.get('url') == url:
1.22 dwinter 587: logger("documentViewer (getdocinfo)", logging.INFO,"docinfo in session: %s"%docinfo)
1.3 casties 588: return docinfo
589: # new docinfo
590: docinfo = {'mode': mode, 'url': url}
591: if mode=="texttool": #index.meta with texttool information
592: docinfo = self.getDocinfoFromTextTool(url, docinfo=docinfo)
593: elif mode=="imagepath":
594: docinfo = self.getDocinfoFromImagePath(url, docinfo=docinfo)
1.33 dwinter 595: elif mode=="filepath":
1.37 dwinter 596: docinfo = self.getDocinfoFromImagePath(url, docinfo=docinfo,cut=1)
1.3 casties 597: else:
1.22 dwinter 598: logger("documentViewer (getdocinfo)", logging.ERROR,"unknown mode!")
1.10 casties 599: raise ValueError("Unknown mode %s"%(mode))
600:
1.22 dwinter 601: logger("documentViewer (getdocinfo)", logging.INFO,"docinfo: %s"%docinfo)
1.3 casties 602: self.REQUEST.SESSION['docinfo'] = docinfo
603: return docinfo
1.2 dwinter 604:
605:
1.4 casties 606: def getPageinfo(self, current, start=None, rows=None, cols=None, docinfo=None):
1.3 casties 607: """returns pageinfo with the given parameters"""
608: pageinfo = {}
1.4 casties 609: current = getInt(current)
610: pageinfo['current'] = current
611: rows = int(rows or self.thumbrows)
612: pageinfo['rows'] = rows
613: cols = int(cols or self.thumbcols)
614: pageinfo['cols'] = cols
615: grpsize = cols * rows
616: pageinfo['groupsize'] = grpsize
1.28 casties 617: start = getInt(start, default=(math.ceil(float(current)/float(grpsize))*grpsize-(grpsize-1)))
618: # int(current / grpsize) * grpsize +1))
1.3 casties 619: pageinfo['start'] = start
1.4 casties 620: pageinfo['end'] = start + grpsize
621: if docinfo is not None:
1.42 ! abukhman 622:
1.4 casties 623: np = int(docinfo['numPages'])
624: pageinfo['end'] = min(pageinfo['end'], np)
625: pageinfo['numgroups'] = int(np / grpsize)
626: if np % grpsize > 0:
627: pageinfo['numgroups'] += 1
1.38 dwinter 628:
1.3 casties 629: return pageinfo
630:
1.1 dwinter 631: def text(self,mode,url,pn):
632: """give text"""
633: if mode=="texttool": #index.meta with texttool information
634: (viewerUrl,imagepath,textpath)=parseUrlTextTool(url)
635:
1.9 casties 636: #print textpath
1.1 dwinter 637: try:
638: dom = NonvalidatingReader.parseUri(textpath)
639: except:
640: return None
641:
642: list=[]
643: nodes=dom.xpath("//pb")
644:
645: node=nodes[int(pn)-1]
646:
647: p=node
648:
649: while p.tagName!="p":
650: p=p.parentNode
651:
652:
653: endNode=nodes[int(pn)]
654:
655:
656: e=endNode
657:
658: while e.tagName!="p":
659: e=e.parentNode
660:
661:
662: next=node.parentNode
663:
664: #sammle s
665: while next and (next!=endNode.parentNode):
666: list.append(next)
667: next=next.nextSibling
668: list.append(endNode.parentNode)
669:
670: if p==e:# beide im selben paragraphen
1.2 dwinter 671: pass
672: # else:
673: # next=p
674: # while next!=e:
675: # print next,e
676: # list.append(next)
677: # next=next.nextSibling
678: #
679: # for x in list:
680: # PrettyPrint(x)
681: #
682: # return list
1.3 casties 683: #
684:
685: def findDigilibUrl(self):
686: """try to get the digilib URL from zogilib"""
687: url = self.imageViewerUrl[:-1] + "/getScalerUrl"
1.20 dwinter 688: #print urlparse.urlparse(url)[0]
689: #print urlparse.urljoin(self.absolute_url(),url)
690: logging.info("finddigiliburl: %s"%urlparse.urlparse(url)[0])
691: logging.info("finddigiliburl: %s"%urlparse.urljoin(self.absolute_url(),url))
692:
1.3 casties 693: try:
1.18 dwinter 694: if urlparse.urlparse(url)[0]=='': #relative path
695: url=urlparse.urljoin(self.absolute_url()+"/",url)
696:
1.3 casties 697: scaler = urlopen(url).read()
698: return scaler.replace("/servlet/Scaler?", "")
699: except:
700: return None
701:
1.18 dwinter 702: def changeDocumentViewer(self,imageViewerUrl,textViewerUrl,title="",digilibBaseUrl=None,thumbrows=2,thumbcols=10,authgroups='mpiwg',RESPONSE=None):
1.3 casties 703: """init document viewer"""
704: self.title=title
705: self.imageViewerUrl=imageViewerUrl
1.18 dwinter 706: self.textViewerUrl=textViewerUrl
1.3 casties 707: self.digilibBaseUrl = digilibBaseUrl
1.4 casties 708: self.thumbrows = thumbrows
709: self.thumbcols = thumbcols
1.8 casties 710: self.authgroups = [s.strip().lower() for s in authgroups.split(',')]
1.3 casties 711: if RESPONSE is not None:
712: RESPONSE.redirect('manage_main')
1.1 dwinter 713:
714:
715:
716:
717: # security.declareProtected('View management screens','renameImageForm')
718:
719: def manage_AddDocumentViewerForm(self):
720: """add the viewer form"""
1.3 casties 721: pt=PageTemplateFile('zpt/addDocumentViewer', globals()).__of__(self)
1.1 dwinter 722: return pt()
723:
1.18 dwinter 724: def manage_AddDocumentViewer(self,id,imageViewerUrl="",textViewerUrl="",title="",RESPONSE=None):
1.1 dwinter 725: """add the viewer"""
1.18 dwinter 726: newObj=documentViewer(id,imageViewerUrl,title=title,textViewerUrl=textViewerUrl)
1.1 dwinter 727: self._setObject(id,newObj)
728:
729: if RESPONSE is not None:
730: RESPONSE.redirect('manage_main')
1.3 casties 731:
732:
733: ##
734: ## DocumentViewerTemplate class
735: ##
736: class DocumentViewerTemplate(ZopePageTemplate):
737: """Template for document viewer"""
738: meta_type="DocumentViewer Template"
739:
740:
741: def manage_addDocumentViewerTemplateForm(self):
742: """Form for adding"""
743: pt=PageTemplateFile('zpt/addDocumentViewerTemplate', globals()).__of__(self)
744: return pt()
745:
746: def manage_addDocumentViewerTemplate(self, id='viewer_main', title=None, text=None,
747: REQUEST=None, submit=None):
748: "Add a Page Template with optional file content."
749:
750: self._setObject(id, DocumentViewerTemplate(id))
751: ob = getattr(self, id)
1.23 dwinter 752: txt=file(os.path.join(package_home(globals()),'zpt/viewer_main.zpt'),'r').read()
753: logging.info("txt %s:"%txt)
754: ob.pt_edit(txt,"text/html")
1.3 casties 755: if title:
756: ob.pt_setTitle(title)
757: try:
758: u = self.DestinationURL()
759: except AttributeError:
760: u = REQUEST['URL1']
761:
762: u = "%s/%s" % (u, urllib.quote(id))
763: REQUEST.RESPONSE.redirect(u+'/manage_main')
764: return ''
765:
766:
1.14 casties 767:
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