Annotation of documentViewer/documentViewer.py, revision 1.40
1.18 dwinter 1:
2:
1.1 dwinter 3: from OFS.Folder import Folder
4: from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate
1.22 dwinter 5: from Products.PageTemplates.PageTemplateFile import PageTemplateFile
1.1 dwinter 6: from AccessControl import ClassSecurityInfo
1.8 casties 7: from AccessControl import getSecurityManager
1.1 dwinter 8: from Globals import package_home
9:
10: from Ft.Xml.Domlette import NonvalidatingReader
11: from Ft.Xml.Domlette import PrettyPrint, Print
1.11 casties 12: from Ft.Xml import EMPTY_NAMESPACE, Parse
1.1 dwinter 13:
14: import Ft.Xml.XPath
15:
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:
1.2 dwinter 236:
1.9 casties 237: def isAccessible(self, docinfo):
1.8 casties 238: """returns if access to the resource is granted"""
239: access = docinfo.get('accessType', None)
1.22 dwinter 240: logger("documentViewer (accessOK)", logging.INFO, "access type %s"%access)
1.17 casties 241: if access is not None and access == 'free':
1.22 dwinter 242: logger("documentViewer (accessOK)", logging.INFO, "access is free")
1.8 casties 243: return True
1.17 casties 244: elif access is None or access in self.authgroups:
1.9 casties 245: # only local access -- only logged in users
246: user = getSecurityManager().getUser()
247: if user is not None:
248: #print "user: ", user
249: return (user.getUserName() != "Anonymous User")
250: else:
251: return False
1.8 casties 252:
1.22 dwinter 253: logger("documentViewer (accessOK)", logging.INFO, "unknown access type %s"%access)
1.8 casties 254: return False
1.9 casties 255:
1.8 casties 256:
1.35 dwinter 257: def getDirinfoFromDigilib(self,path,docinfo=None,cut=0):
1.6 casties 258: """gibt param von dlInfo aus"""
1.13 casties 259: num_retries = 3
1.7 casties 260: if docinfo is None:
261: docinfo = {}
1.35 dwinter 262:
263: for x in range(cut):
1.38 dwinter 264:
1.35 dwinter 265: path=getParentDir(path)
1.38 dwinter 266:
1.13 casties 267: infoUrl=self.digilibBaseUrl+"/dirInfo-xml.jsp?mo=dir&fn="+path
1.6 casties 268:
1.22 dwinter 269: logger("documentViewer (getparamfromdigilib)", logging.INFO, "dirInfo from %s"%(infoUrl))
1.6 casties 270:
1.13 casties 271: for cnt in range(num_retries):
1.9 casties 272: try:
1.13 casties 273: # dom = NonvalidatingReader.parseUri(imageUrl)
274: txt=urllib.urlopen(infoUrl).read()
275: dom = Parse(txt)
1.9 casties 276: break
277: except:
1.22 dwinter 278: logger("documentViewer (getdirinfofromdigilib)", logging.ERROR, "error reading %s (try %d)"%(infoUrl,cnt))
1.9 casties 279: else:
1.13 casties 280: raise IOError("Unable to get dir-info from %s"%(infoUrl))
1.6 casties 281:
1.10 casties 282: sizes=dom.xpath("//dir/size")
1.22 dwinter 283: logger("documentViewer (getparamfromdigilib)", logging.INFO, "dirInfo:size"%sizes)
1.6 casties 284:
1.10 casties 285: if sizes:
286: docinfo['numPages'] = int(getTextFromNode(sizes[0]))
1.7 casties 287: else:
288: docinfo['numPages'] = 0
289:
290: return docinfo
1.8 casties 291:
1.6 casties 292:
1.9 casties 293: def getIndexMeta(self, url):
294: """returns dom of index.meta document at url"""
1.12 casties 295: num_retries = 3
1.9 casties 296: dom = None
1.12 casties 297: metaUrl = None
1.9 casties 298: if url.startswith("http://"):
299: # real URL
1.12 casties 300: metaUrl = url
1.9 casties 301: else:
302: # online path
303: server=self.digilibBaseUrl+"/servlet/Texter?fn="
1.13 casties 304: metaUrl=server+url.replace("/mpiwg/online","")
1.9 casties 305: if not metaUrl.endswith("index.meta"):
306: metaUrl += "/index.meta"
1.37 dwinter 307: logging.debug("METAURL: %s"%metaUrl)
1.13 casties 308: for cnt in range(num_retries):
1.9 casties 309: try:
1.12 casties 310: # patch dirk encoding fehler treten dann nicht mehr auf
1.11 casties 311: # dom = NonvalidatingReader.parseUri(metaUrl)
1.12 casties 312: txt=urllib.urlopen(metaUrl).read()
313: dom = Parse(txt)
1.13 casties 314: break
1.9 casties 315: except:
1.22 dwinter 316: logger("ERROR documentViewer (getIndexMata)", logging.INFO,"%s (%s)"%sys.exc_info()[0:2])
1.12 casties 317:
318: if dom is None:
319: raise IOError("Unable to read index meta from %s"%(url))
1.9 casties 320:
321: return dom
1.20 dwinter 322:
323: def getPresentationInfoXML(self, url):
324: """returns dom of info.xml document at url"""
325: num_retries = 3
326: dom = None
327: metaUrl = None
328: if url.startswith("http://"):
329: # real URL
330: metaUrl = url
331: else:
332: # online path
333: server=self.digilibBaseUrl+"/servlet/Texter?fn="
334: metaUrl=server+url.replace("/mpiwg/online","")
335:
336:
337: for cnt in range(num_retries):
338: try:
339: # patch dirk encoding fehler treten dann nicht mehr auf
340: # dom = NonvalidatingReader.parseUri(metaUrl)
1.40 ! casties 341: logging.debug("getpresentationinfoxml: metaurl=%s"%metaUrl)
1.20 dwinter 342: txt=urllib.urlopen(metaUrl).read()
343: dom = Parse(txt)
344: break
345: except:
1.22 dwinter 346: logger("ERROR documentViewer (getPresentationInfoXML)", logging.INFO,"%s (%s)"%sys.exc_info()[0:2])
1.20 dwinter 347:
348: if dom is None:
349: raise IOError("Unable to read infoXMLfrom %s"%(url))
350:
351: return dom
1.9 casties 352:
353:
1.33 dwinter 354: def getAuthinfoFromIndexMeta(self,path,docinfo=None,dom=None,cut=0):
1.9 casties 355: """gets authorization info from the index.meta file at path or given by dom"""
1.22 dwinter 356: logger("documentViewer (getauthinfofromindexmeta)", logging.INFO,"path: %s"%(path))
1.8 casties 357:
358: access = None
359:
360: if docinfo is None:
361: docinfo = {}
362:
363: if dom is None:
1.38 dwinter 364: for x in range(cut):
1.33 dwinter 365: path=getParentDir(path)
366: dom = self.getIndexMeta(path)
1.18 dwinter 367:
1.8 casties 368: acctype = dom.xpath("//access-conditions/access/@type")
369: if acctype and (len(acctype)>0):
370: access=acctype[0].value
1.9 casties 371: if access in ['group', 'institution']:
1.8 casties 372: access = getTextFromNode(dom.xpath("//access-conditions/access/name")[0]).lower()
373:
374: docinfo['accessType'] = access
375: return docinfo
1.6 casties 376:
1.8 casties 377:
1.33 dwinter 378: def getBibinfoFromIndexMeta(self,path,docinfo=None,dom=None,cut=0):
1.9 casties 379: """gets bibliographical info from the index.meta file at path or given by dom"""
1.27 casties 380: logging.debug("documentViewer (getbibinfofromindexmeta) path: %s"%(path))
1.2 dwinter 381:
1.3 casties 382: if docinfo is None:
383: docinfo = {}
1.38 dwinter 384:
1.3 casties 385: if dom is None:
1.38 dwinter 386: for x in range(cut):
1.33 dwinter 387: path=getParentDir(path)
388: dom = self.getIndexMeta(path)
1.39 dwinter 389:
390: logging.debug("documentViewer (getbibinfofromindexmeta cutted) path: %s"%(path))
1.27 casties 391: # put in all raw bib fields as dict "bib"
392: bib = dom.xpath("//bib/*")
393: if bib and len(bib)>0:
394: bibinfo = {}
395: for e in bib:
396: bibinfo[e.localName] = getTextFromNode(e)
397: docinfo['bib'] = bibinfo
398:
399: # extract some fields (author, title, year) according to their mapping
1.4 casties 400: metaData=self.metadata.main.meta.bib
401: bibtype=dom.xpath("//bib/@type")
402: if bibtype and (len(bibtype)>0):
403: bibtype=bibtype[0].value
1.2 dwinter 404: else:
1.4 casties 405: bibtype="generic"
1.27 casties 406:
1.4 casties 407: bibtype=bibtype.replace("-"," ") # wrong typesiin index meta "-" instead of " " (not wrong! ROC)
1.27 casties 408: docinfo['bib_type'] = bibtype
1.4 casties 409: bibmap=metaData.generateMappingForType(bibtype)
1.8 casties 410: # if there is no mapping bibmap is empty (mapping sometimes has empty fields)
1.7 casties 411: if len(bibmap) > 0 and len(bibmap['author'][0]) > 0:
1.30 casties 412: try:
413: docinfo['author']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['author'][0])[0])
414: except: pass
415: try:
416: docinfo['title']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['title'][0])[0])
417: except: pass
418: try:
419: docinfo['year']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['year'][0])[0])
420: except: pass
1.27 casties 421: logging.debug("documentViewer (getbibinfofromindexmeta) using mapping for %s"%bibtype)
1.22 dwinter 422: try:
423: docinfo['lang']=getTextFromNode(dom.xpath("//bib/lang")[0])
424: except:
425: docinfo['lang']=''
1.27 casties 426:
1.3 casties 427: return docinfo
428:
429:
1.8 casties 430: def getDocinfoFromTextTool(self,url,dom=None,docinfo=None):
1.3 casties 431: """parse texttool tag in index meta"""
1.22 dwinter 432: logger("documentViewer (getdocinfofromtexttool)", logging.INFO,"url: %s"%(url))
1.3 casties 433: if docinfo is None:
434: docinfo = {}
435:
1.22 dwinter 436: if docinfo.get('lang',None) is None:
437: docinfo['lang']='' # default keine Sprache gesetzt
1.8 casties 438: if dom is None:
1.9 casties 439: dom = self.getIndexMeta(url)
1.8 casties 440:
1.16 casties 441: archivePath = None
442: archiveName = None
443:
1.8 casties 444: archiveNames=dom.xpath("//resource/name")
445: if archiveNames and (len(archiveNames)>0):
446: archiveName=getTextFromNode(archiveNames[0])
1.16 casties 447: else:
1.22 dwinter 448: logger("documentViewer (getdocinfofromtexttool)", logging.WARNING,"resource/name missing in: %s"%(url))
1.3 casties 449:
450: archivePaths=dom.xpath("//resource/archive-path")
451: if archivePaths and (len(archivePaths)>0):
452: archivePath=getTextFromNode(archivePaths[0])
1.8 casties 453: # clean up archive path
454: if archivePath[0] != '/':
455: archivePath = '/' + archivePath
1.16 casties 456: if archiveName and (not archivePath.endswith(archiveName)):
1.8 casties 457: archivePath += "/" + archiveName
1.3 casties 458: else:
1.16 casties 459: # try to get archive-path from url
1.22 dwinter 460: logger("documentViewer (getdocinfofromtexttool)", logging.WARNING,"resource/archive-path missing in: %s"%(url))
1.16 casties 461: if (not url.startswith('http')):
462: archivePath = url.replace('index.meta', '')
463:
464: if archivePath is None:
465: # we balk without archive-path
466: raise IOError("Missing archive-path (for text-tool) in %s"%(url))
1.3 casties 467:
1.9 casties 468: imageDirs=dom.xpath("//texttool/image")
469: if imageDirs and (len(imageDirs)>0):
470: imageDir=getTextFromNode(imageDirs[0])
1.3 casties 471: else:
1.22 dwinter 472: # we balk with no image tag / not necessary anymore because textmode is now standard
473: #raise IOError("No text-tool info in %s"%(url))
474: imageDir=""
475: docinfo['numPages']=1 # im moment einfach auf eins setzen, navigation ueber die thumbs geht natuerlich nicht
476:
477: docinfo['imagePath'] = "" # keine Bilder
478: docinfo['imageURL'] = ""
479:
1.9 casties 480: if imageDir and archivePath:
481: #print "image: ", imageDir, " archivepath: ", archivePath
482: imageDir=os.path.join(archivePath,imageDir)
483: imageDir=imageDir.replace("/mpiwg/online",'')
484: docinfo=self.getDirinfoFromDigilib(imageDir,docinfo=docinfo)
485: docinfo['imagePath'] = imageDir
1.38 dwinter 486:
1.9 casties 487: docinfo['imageURL'] = self.digilibBaseUrl+"/servlet/Scaler?fn="+imageDir
1.3 casties 488:
489: viewerUrls=dom.xpath("//texttool/digiliburlprefix")
490: if viewerUrls and (len(viewerUrls)>0):
491: viewerUrl=getTextFromNode(viewerUrls[0])
1.7 casties 492: docinfo['viewerURL'] = viewerUrl
1.3 casties 493:
494: textUrls=dom.xpath("//texttool/text")
495: if textUrls and (len(textUrls)>0):
496: textUrl=getTextFromNode(textUrls[0])
1.19 dwinter 497: if urlparse.urlparse(textUrl)[0]=="": #keine url
498: textUrl=os.path.join(archivePath,textUrl)
1.31 casties 499: # fix URLs starting with /mpiwg/online
500: if textUrl.startswith("/mpiwg/online"):
501: textUrl = textUrl.replace("/mpiwg/online",'',1)
502:
1.7 casties 503: docinfo['textURL'] = textUrl
1.20 dwinter 504:
505: presentationUrls=dom.xpath("//texttool/presentation")
1.22 dwinter 506: docinfo = self.getBibinfoFromIndexMeta(url,docinfo=docinfo,dom=dom) # get info von bib tag
507:
508: if presentationUrls and (len(presentationUrls)>0): # ueberschreibe diese durch presentation informationen
1.40 ! casties 509: # presentation url ergiebt sich ersetzen von index.meta in der url der fuer die Metadaten
! 510: # durch den relativen Pfad auf die presentation infos
! 511: presentationPath = getTextFromNode(presentationUrls[0])
! 512: if url.endswith("index.meta"):
! 513: presentationUrl=url.replace('index.meta',presentationPath)
! 514: else:
! 515: presentationUrl=url + "/" + presentationPath
! 516:
1.20 dwinter 517: docinfo = self.getBibinfoFromTextToolPresentation(presentationUrl,docinfo=docinfo,dom=dom)
1.22 dwinter 518:
1.25 casties 519: docinfo = self.getAuthinfoFromIndexMeta(url,docinfo=docinfo,dom=dom) # get access info
1.3 casties 520: return docinfo
521:
1.20 dwinter 522:
523: def getBibinfoFromTextToolPresentation(self,url,docinfo=None,dom=None):
524: """gets the bibliographical information from the preseantion entry in texttools
525: """
526: dom=self.getPresentationInfoXML(url)
1.29 casties 527: try:
528: docinfo['author']=getTextFromNode(dom.xpath("//author")[0])
529: except:
530: pass
531: try:
532: docinfo['title']=getTextFromNode(dom.xpath("//title")[0])
533: except:
534: pass
535: try:
536: docinfo['year']=getTextFromNode(dom.xpath("//date")[0])
537: except:
538: pass
1.20 dwinter 539: return docinfo
540:
1.33 dwinter 541: def getDocinfoFromImagePath(self,path,docinfo=None,cut=0):
1.3 casties 542: """path ist the path to the images it assumes that the index.meta file is one level higher."""
1.22 dwinter 543: logger("documentViewer (getdocinfofromimagepath)", logging.INFO,"path: %s"%(path))
1.3 casties 544: if docinfo is None:
545: docinfo = {}
1.6 casties 546: path=path.replace("/mpiwg/online","")
1.3 casties 547: docinfo['imagePath'] = path
1.35 dwinter 548: docinfo=self.getDirinfoFromDigilib(path,docinfo=docinfo,cut=cut)
1.38 dwinter 549:
1.39 dwinter 550: pathorig=path
1.38 dwinter 551: for x in range(cut):
552: path=getParentDir(path)
553: logging.error("PATH:"+path)
1.7 casties 554: imageUrl=self.digilibBaseUrl+"/servlet/Scaler?fn="+path
1.3 casties 555: docinfo['imageURL'] = imageUrl
556:
1.39 dwinter 557: #path ist the path to the images it assumes that the index.meta file is one level higher.
558: docinfo = self.getBibinfoFromIndexMeta(pathorig,docinfo=docinfo,cut=cut+1)
559: docinfo = self.getAuthinfoFromIndexMeta(pathorig,docinfo=docinfo,cut=cut+1)
1.3 casties 560: return docinfo
561:
1.2 dwinter 562:
1.3 casties 563: def getDocinfo(self, mode, url):
564: """returns docinfo depending on mode"""
1.22 dwinter 565: logger("documentViewer (getdocinfo)", logging.INFO,"mode: %s, url: %s"%(mode,url))
1.3 casties 566: # look for cached docinfo in session
1.21 dwinter 567: if self.REQUEST.SESSION.has_key('docinfo'):
1.3 casties 568: docinfo = self.REQUEST.SESSION['docinfo']
569: # check if its still current
570: if docinfo is not None and docinfo.get('mode') == mode and docinfo.get('url') == url:
1.22 dwinter 571: logger("documentViewer (getdocinfo)", logging.INFO,"docinfo in session: %s"%docinfo)
1.3 casties 572: return docinfo
573: # new docinfo
574: docinfo = {'mode': mode, 'url': url}
575: if mode=="texttool": #index.meta with texttool information
576: docinfo = self.getDocinfoFromTextTool(url, docinfo=docinfo)
577: elif mode=="imagepath":
578: docinfo = self.getDocinfoFromImagePath(url, docinfo=docinfo)
1.33 dwinter 579: elif mode=="filepath":
1.37 dwinter 580: docinfo = self.getDocinfoFromImagePath(url, docinfo=docinfo,cut=1)
1.3 casties 581: else:
1.22 dwinter 582: logger("documentViewer (getdocinfo)", logging.ERROR,"unknown mode!")
1.10 casties 583: raise ValueError("Unknown mode %s"%(mode))
584:
1.22 dwinter 585: logger("documentViewer (getdocinfo)", logging.INFO,"docinfo: %s"%docinfo)
1.3 casties 586: self.REQUEST.SESSION['docinfo'] = docinfo
587: return docinfo
1.2 dwinter 588:
589:
1.4 casties 590: def getPageinfo(self, current, start=None, rows=None, cols=None, docinfo=None):
1.3 casties 591: """returns pageinfo with the given parameters"""
592: pageinfo = {}
1.4 casties 593: current = getInt(current)
594: pageinfo['current'] = current
595: rows = int(rows or self.thumbrows)
596: pageinfo['rows'] = rows
597: cols = int(cols or self.thumbcols)
598: pageinfo['cols'] = cols
599: grpsize = cols * rows
600: pageinfo['groupsize'] = grpsize
1.28 casties 601: start = getInt(start, default=(math.ceil(float(current)/float(grpsize))*grpsize-(grpsize-1)))
602: # int(current / grpsize) * grpsize +1))
1.3 casties 603: pageinfo['start'] = start
1.4 casties 604: pageinfo['end'] = start + grpsize
605: if docinfo is not None:
606: np = int(docinfo['numPages'])
607: pageinfo['end'] = min(pageinfo['end'], np)
608: pageinfo['numgroups'] = int(np / grpsize)
609: if np % grpsize > 0:
610: pageinfo['numgroups'] += 1
1.38 dwinter 611:
1.3 casties 612: return pageinfo
613:
1.1 dwinter 614: def text(self,mode,url,pn):
615: """give text"""
616: if mode=="texttool": #index.meta with texttool information
617: (viewerUrl,imagepath,textpath)=parseUrlTextTool(url)
618:
1.9 casties 619: #print textpath
1.1 dwinter 620: try:
621: dom = NonvalidatingReader.parseUri(textpath)
622: except:
623: return None
624:
625: list=[]
626: nodes=dom.xpath("//pb")
627:
628: node=nodes[int(pn)-1]
629:
630: p=node
631:
632: while p.tagName!="p":
633: p=p.parentNode
634:
635:
636: endNode=nodes[int(pn)]
637:
638:
639: e=endNode
640:
641: while e.tagName!="p":
642: e=e.parentNode
643:
644:
645: next=node.parentNode
646:
647: #sammle s
648: while next and (next!=endNode.parentNode):
649: list.append(next)
650: next=next.nextSibling
651: list.append(endNode.parentNode)
652:
653: if p==e:# beide im selben paragraphen
1.2 dwinter 654: pass
655: # else:
656: # next=p
657: # while next!=e:
658: # print next,e
659: # list.append(next)
660: # next=next.nextSibling
661: #
662: # for x in list:
663: # PrettyPrint(x)
664: #
665: # return list
1.3 casties 666: #
667:
668: def findDigilibUrl(self):
669: """try to get the digilib URL from zogilib"""
670: url = self.imageViewerUrl[:-1] + "/getScalerUrl"
1.20 dwinter 671: #print urlparse.urlparse(url)[0]
672: #print urlparse.urljoin(self.absolute_url(),url)
673: logging.info("finddigiliburl: %s"%urlparse.urlparse(url)[0])
674: logging.info("finddigiliburl: %s"%urlparse.urljoin(self.absolute_url(),url))
675:
1.3 casties 676: try:
1.18 dwinter 677: if urlparse.urlparse(url)[0]=='': #relative path
678: url=urlparse.urljoin(self.absolute_url()+"/",url)
679:
1.3 casties 680: scaler = urlopen(url).read()
681: return scaler.replace("/servlet/Scaler?", "")
682: except:
683: return None
684:
1.18 dwinter 685: def changeDocumentViewer(self,imageViewerUrl,textViewerUrl,title="",digilibBaseUrl=None,thumbrows=2,thumbcols=10,authgroups='mpiwg',RESPONSE=None):
1.3 casties 686: """init document viewer"""
687: self.title=title
688: self.imageViewerUrl=imageViewerUrl
1.18 dwinter 689: self.textViewerUrl=textViewerUrl
1.3 casties 690: self.digilibBaseUrl = digilibBaseUrl
1.4 casties 691: self.thumbrows = thumbrows
692: self.thumbcols = thumbcols
1.8 casties 693: self.authgroups = [s.strip().lower() for s in authgroups.split(',')]
1.3 casties 694: if RESPONSE is not None:
695: RESPONSE.redirect('manage_main')
1.1 dwinter 696:
697:
698:
699:
700: # security.declareProtected('View management screens','renameImageForm')
701:
702: def manage_AddDocumentViewerForm(self):
703: """add the viewer form"""
1.3 casties 704: pt=PageTemplateFile('zpt/addDocumentViewer', globals()).__of__(self)
1.1 dwinter 705: return pt()
706:
1.18 dwinter 707: def manage_AddDocumentViewer(self,id,imageViewerUrl="",textViewerUrl="",title="",RESPONSE=None):
1.1 dwinter 708: """add the viewer"""
1.18 dwinter 709: newObj=documentViewer(id,imageViewerUrl,title=title,textViewerUrl=textViewerUrl)
1.1 dwinter 710: self._setObject(id,newObj)
711:
712: if RESPONSE is not None:
713: RESPONSE.redirect('manage_main')
1.3 casties 714:
715:
716: ##
717: ## DocumentViewerTemplate class
718: ##
719: class DocumentViewerTemplate(ZopePageTemplate):
720: """Template for document viewer"""
721: meta_type="DocumentViewer Template"
722:
723:
724: def manage_addDocumentViewerTemplateForm(self):
725: """Form for adding"""
726: pt=PageTemplateFile('zpt/addDocumentViewerTemplate', globals()).__of__(self)
727: return pt()
728:
729: def manage_addDocumentViewerTemplate(self, id='viewer_main', title=None, text=None,
730: REQUEST=None, submit=None):
731: "Add a Page Template with optional file content."
732:
733: self._setObject(id, DocumentViewerTemplate(id))
734: ob = getattr(self, id)
1.23 dwinter 735: txt=file(os.path.join(package_home(globals()),'zpt/viewer_main.zpt'),'r').read()
736: logging.info("txt %s:"%txt)
737: ob.pt_edit(txt,"text/html")
1.3 casties 738: if title:
739: ob.pt_setTitle(title)
740: try:
741: u = self.DestinationURL()
742: except AttributeError:
743: u = REQUEST['URL1']
744:
745: u = "%s/%s" % (u, urllib.quote(id))
746: REQUEST.RESPONSE.redirect(u+'/manage_main')
747: return ''
748:
749:
1.14 casties 750:
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