Mercurial > hg > documentViewer
annotate documentViewer.py @ 561:9255acc4518d
CLOSED - # 256: display texts from different backends (sandbox)
https://it-dev.mpiwg-berlin.mpg.de/tracs/mpdl-project-software/ticket/256
author | casties |
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date | Mon, 01 Oct 2012 18:09:01 +0200 |
parents | 04c330b92cab |
children | 60f5a636bc57 |
rev | line source |
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0 | 1 from OFS.Folder import Folder |
2 from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate | |
486 | 3 from Products.PageTemplates.PageTemplateFile import PageTemplateFile |
487 | 4 from App.ImageFile import ImageFile |
0 | 5 from AccessControl import ClassSecurityInfo |
32 | 6 from AccessControl import getSecurityManager |
0 | 7 from Globals import package_home |
8 | |
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9 import xml.etree.ElementTree as ET |
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10 |
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11 import os |
31 | 12 import sys |
0 | 13 import urllib |
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14 import logging |
61 | 15 import math |
46 | 16 import urlparse |
174 | 17 import re |
389 | 18 import string |
526 | 19 import json |
231 | 20 |
541 | 21 from Products.MetaDataProvider import MetaDataFolder |
22 | |
514 | 23 from SrvTxtUtils import getInt, utf8ify, getText, getHttpData, refreshingImageFileIndexHtml |
52 | 24 |
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25 def serializeNode(node, encoding="utf-8"): |
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26 """returns a string containing node as XML""" |
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27 s = ET.tostring(node) |
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28 |
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29 # 4Suite: |
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30 # stream = cStringIO.StringIO() |
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31 # Ft.Xml.Domlette.Print(node, stream=stream, encoding=encoding) |
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32 # s = stream.getvalue() |
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33 # stream.close() |
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34 return s |
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35 |
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36 def getMDText(node): |
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37 """returns the @text content from the MetaDataProvider metadata node""" |
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38 if isinstance(node, dict): |
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39 return node.get('@text', None) |
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40 |
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41 return node |
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42 |
387 | 43 def browserCheck(self): |
44 """check the browsers request to find out the browser type""" | |
45 bt = {} | |
46 ua = self.REQUEST.get_header("HTTP_USER_AGENT") | |
47 bt['ua'] = ua | |
48 bt['isIE'] = False | |
49 bt['isN4'] = False | |
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50 bt['versFirefox']="" |
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51 bt['versIE']="" |
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52 bt['versSafariChrome']="" |
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53 bt['versOpera']="" |
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54 |
387 | 55 if string.find(ua, 'MSIE') > -1: |
56 bt['isIE'] = True | |
57 else: | |
58 bt['isN4'] = (string.find(ua, 'Mozilla/4.') > -1) | |
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59 # Safari oder Chrome identification |
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60 try: |
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61 nav = ua[string.find(ua, '('):] |
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62 nav1=ua[string.find(ua,')'):] |
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63 nav2=nav1[string.find(nav1,'('):] |
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64 nav3=nav2[string.find(nav2,')'):] |
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65 ie = string.split(nav, "; ")[1] |
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66 ie1 =string.split(nav1, " ")[2] |
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67 ie2 =string.split(nav3, " ")[1] |
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68 ie3 =string.split(nav3, " ")[2] |
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69 if string.find(ie3, "Safari") >-1: |
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70 bt['versSafariChrome']=string.split(ie2, "/")[1] |
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71 except: pass |
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72 # IE identification |
387 | 73 try: |
74 nav = ua[string.find(ua, '('):] | |
75 ie = string.split(nav, "; ")[1] | |
76 if string.find(ie, "MSIE") > -1: | |
77 bt['versIE'] = string.split(ie, " ")[1] | |
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78 except:pass |
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79 # Firefox identification |
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80 try: |
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81 nav = ua[string.find(ua, '('):] |
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82 nav1=ua[string.find(ua,')'):] |
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83 if string.find(ie1, "Firefox") >-1: |
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84 nav5= string.split(ie1, "/")[1] |
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85 logging.debug("FIREFOX: %s"%(nav5)) |
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86 bt['versFirefox']=nav5[0:3] |
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87 except:pass |
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88 #Opera identification |
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89 try: |
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90 if string.find(ua,"Opera") >-1: |
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91 nav = ua[string.find(ua, '('):] |
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92 nav1=nav[string.find(nav,')'):] |
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93 bt['versOpera']=string.split(nav1,"/")[2] |
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94 except:pass |
387 | 95 |
96 bt['isMac'] = string.find(ua, 'Macintosh') > -1 | |
97 bt['isWin'] = string.find(ua, 'Windows') > -1 | |
98 bt['isIEWin'] = bt['isIE'] and bt['isWin'] | |
99 bt['isIEMac'] = bt['isIE'] and bt['isMac'] | |
100 bt['staticHTML'] = False | |
101 | |
102 return bt | |
234 | 103 |
464 | 104 def getParentPath(path, cnt=1): |
105 """returns pathname shortened by cnt""" | |
106 # make sure path doesn't end with / | |
107 path = path.rstrip('/') | |
108 # split by /, shorten, and reassemble | |
109 return '/'.join(path.split('/')[0:-cnt]) | |
110 | |
22 | 111 ## |
112 ## documentViewer class | |
113 ## | |
114 class documentViewer(Folder): | |
0 | 115 """document viewer""" |
116 meta_type="Document viewer" | |
117 | |
118 security=ClassSecurityInfo() | |
22 | 119 manage_options=Folder.manage_options+( |
507 | 120 {'label':'Configuration','action':'changeDocumentViewerForm'}, |
0 | 121 ) |
463 | 122 |
123 metadataService = None | |
124 """MetaDataFolder instance""" | |
525 | 125 |
0 | 126 |
525 | 127 # |
22 | 128 # templates and forms |
525 | 129 # |
130 # viewMode templates | |
479 | 131 viewer_text = PageTemplateFile('zpt/viewer_text', globals()) |
503 | 132 viewer_xml = PageTemplateFile('zpt/viewer_xml', globals()) |
483 | 133 viewer_images = PageTemplateFile('zpt/viewer_images', globals()) |
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134 viewer_index = PageTemplateFile('zpt/viewer_index', globals()) |
528 | 135 viewer_thumbs = PageTemplateFile('zpt/viewer_thumbs', globals()) |
546 | 136 # available layer types (annotator not default) |
137 builtinLayers = {'text': ['dict','search','gis'], | |
558 | 138 'xml': None, 'images': None, 'index': ['extended']} |
526 | 139 availableLayers = builtinLayers; |
525 | 140 # layer templates |
526 | 141 layer_text_dict = PageTemplateFile('zpt/layer_text_dict', globals()) |
142 layer_text_search = PageTemplateFile('zpt/layer_text_search', globals()) | |
525 | 143 layer_text_annotator = PageTemplateFile('zpt/layer_text_annotator', globals()) |
144 layer_text_gis = PageTemplateFile('zpt/layer_text_gis', globals()) | |
552 | 145 layer_text_pundit = PageTemplateFile('zpt/layer_text_pundit', globals()) |
559 | 146 layer_index_extended = PageTemplateFile('zpt/layer_index_extended', globals()) |
525 | 147 # toc templates |
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148 toc_thumbs = PageTemplateFile('zpt/toc_thumbs', globals()) |
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149 toc_text = PageTemplateFile('zpt/toc_text', globals()) |
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150 toc_figures = PageTemplateFile('zpt/toc_figures', globals()) |
526 | 151 toc_concordance = PageTemplateFile('zpt/toc_concordance', globals()) |
491 | 152 toc_none = PageTemplateFile('zpt/toc_none', globals()) |
525 | 153 # other templates |
501 | 154 common_template = PageTemplateFile('zpt/common_template', globals()) |
57 | 155 info_xml = PageTemplateFile('zpt/info_xml', globals()) |
487 | 156 docuviewer_css = ImageFile('css/docuviewer.css',globals()) |
532 | 157 # make docuviewer_css refreshable for development |
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158 docuviewer_css.index_html = refreshingImageFileIndexHtml |
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159 docuviewer_ie_css = ImageFile('css/docuviewer_ie.css',globals()) |
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160 # make docuviewer_ie_css refreshable for development |
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161 docuviewer_ie_css.index_html = refreshingImageFileIndexHtml |
501 | 162 jquery_js = ImageFile('js/jquery.js',globals()) |
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163 |
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164 |
95 | 165 def __init__(self,id,imageScalerUrl=None,textServerName=None,title="",digilibBaseUrl=None,thumbcols=2,thumbrows=5,authgroups="mpiwg"): |
0 | 166 """init document viewer""" |
167 self.id=id | |
168 self.title=title | |
25 | 169 self.thumbcols = thumbcols |
170 self.thumbrows = thumbrows | |
32 | 171 # authgroups is list of authorized groups (delimited by ,) |
172 self.authgroups = [s.strip().lower() for s in authgroups.split(',')] | |
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173 # create template folder so we can always use template.something |
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174 |
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175 templateFolder = Folder('template') |
498 | 176 self['template'] = templateFolder # Zope-2.12 style |
177 #self._setObject('template',templateFolder) # old style | |
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178 try: |
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179 import MpdlXmlTextServer |
132 | 180 textServer = MpdlXmlTextServer.MpdlXmlTextServer(id='fulltextclient',serverName=textServerName) |
498 | 181 templateFolder['fulltextclient'] = textServer |
182 #templateFolder._setObject('fulltextclient',textServer) | |
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183 except Exception, e: |
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184 logging.error("Unable to create MpdlXmlTextServer for fulltextclient: "+str(e)) |
463 | 185 |
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186 try: |
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187 from Products.zogiLib.zogiLib import zogiLib |
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188 zogilib = zogiLib(id="zogilib", title="zogilib for docuviewer", dlServerURL=imageScalerUrl, layout="book") |
498 | 189 templateFolder['zogilib'] = zogilib |
190 #templateFolder._setObject('zogilib',zogilib) | |
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191 except Exception, e: |
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192 logging.error("Unable to create zogiLib for zogilib: "+str(e)) |
463 | 193 |
194 try: | |
195 # assume MetaDataFolder instance is called metadata | |
196 self.metadataService = getattr(self, 'metadata') | |
197 except Exception, e: | |
198 logging.error("Unable to find MetaDataFolder 'metadata': "+str(e)) | |
199 | |
477 | 200 if digilibBaseUrl is not None: |
201 self.digilibBaseUrl = digilibBaseUrl | |
202 | |
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203 |
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204 # proxy text server methods to fulltextclient |
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205 def getTextPage(self, **args): |
498 | 206 """returns full text content of page""" |
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207 return self.template.fulltextclient.getTextPage(**args) |
22 | 208 |
508 | 209 def getSearchResults(self, **args): |
210 """loads list of search results and stores XML in docinfo""" | |
211 return self.template.fulltextclient.getSearchResults(**args) | |
212 | |
213 def getResultsPage(self, **args): | |
214 """returns one page of the search results""" | |
215 return self.template.fulltextclient.getResultsPage(**args) | |
216 | |
516 | 217 def getTextInfo(self, **args): |
218 """returns document info from the text server""" | |
219 return self.template.fulltextclient.getTextInfo(**args) | |
220 | |
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221 def getToc(self, **args): |
508 | 222 """loads table of contents and stores XML in docinfo""" |
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223 return self.template.fulltextclient.getToc(**args) |
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224 |
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225 def getTocPage(self, **args): |
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226 """returns one page of the table of contents""" |
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227 return self.template.fulltextclient.getTocPage(**args) |
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228 |
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229 def getRepositoryType(self, **args): |
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230 """get repository type""" |
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231 return self.template.fulltextclient.getRepositoryType(**args) |
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232 |
559 | 233 def getTextDownloadUrl(self, **args): |
234 """get list of gis places on one page""" | |
235 return self.template.fulltextclient.getTextDownloadUrl(**args) | |
236 | |
506 | 237 def getPlacesOnPage(self, **args): |
238 """get list of gis places on one page""" | |
239 return self.template.fulltextclient.getPlacesOnPage(**args) | |
307 | 240 |
548 | 241 # Thumb list for CoolIris Plugin |
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242 thumbs_main_rss = PageTemplateFile('zpt/thumbs_main_rss', globals()) |
68 | 243 security.declareProtected('View','thumbs_rss') |
244 def thumbs_rss(self,mode,url,viewMode="auto",start=None,pn=1): | |
245 ''' | |
246 view it | |
247 @param mode: defines how to access the document behind url | |
248 @param url: url which contains display information | |
249 @param viewMode: if images display images, if text display text, default is images (text,images or auto) | |
250 | |
251 ''' | |
252 | |
253 if not hasattr(self, 'template'): | |
254 # create template folder if it doesn't exist | |
255 self.manage_addFolder('template') | |
256 | |
257 if not self.digilibBaseUrl: | |
258 self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary" | |
259 | |
260 docinfo = self.getDocinfo(mode=mode,url=url) | |
338 | 261 #pageinfo = self.getPageinfo(start=start,current=pn,docinfo=docinfo) |
345 | 262 pageinfo = self.getPageinfo(start=start,current=pn, docinfo=docinfo) |
331 | 263 ''' ZDES ''' |
68 | 264 pt = getattr(self.template, 'thumbs_main_rss') |
265 | |
266 if viewMode=="auto": # automodus gewaehlt | |
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267 if docinfo.has_key("textURL") or docinfo.get('textURLPath',None): #texturl gesetzt und textViewer konfiguriert |
68 | 268 viewMode="text" |
269 else: | |
270 viewMode="images" | |
271 | |
272 return pt(docinfo=docinfo,pageinfo=pageinfo,viewMode=viewMode) | |
465 | 273 |
68 | 274 |
22 | 275 security.declareProtected('View','index_html') |
548 | 276 def index_html(self,url,mode="texttool",viewMode="auto",viewLayer=None,tocMode=None,start=1,pn=1): |
464 | 277 """ |
543 | 278 show page |
471 | 279 @param url: url which contains display information |
57 | 280 @param mode: defines how to access the document behind url |
503 | 281 @param viewMode: 'images': display images, 'text': display text, 'xml': display xml, default is 'auto' |
543 | 282 @param viewLayer: sub-type of viewMode, e.g. layer 'dict' for viewMode='text' |
99 | 283 @param tocMode: type of 'table of contents' for navigation (thumbs, text, figures, none) |
464 | 284 """ |
0 | 285 |
503 | 286 logging.debug("documentViewer(index_html) mode=%s url=%s viewMode=%s viewLayer=%s start=%s pn=%s"%(mode,url,viewMode,viewLayer,start,pn)) |
22 | 287 |
288 if not hasattr(self, 'template'): | |
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289 # this won't work |
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290 logging.error("template folder missing!") |
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291 return "ERROR: template folder missing!" |
22 | 292 |
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293 if not getattr(self, 'digilibBaseUrl', None): |
132 | 294 self.digilibBaseUrl = self.findDigilibUrl() or "http://digilib.mpiwg-berlin.mpg.de/digitallibrary" |
22 | 295 |
548 | 296 # mode=filepath should not have toc-thumbs |
297 if tocMode is None: | |
298 if mode == "filepath": | |
299 tocMode = "none" | |
300 else: | |
301 tocMode = "thumbs" | |
302 | |
543 | 303 # docinfo: information about document (cached) |
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304 docinfo = self.getDocinfo(mode=mode,url=url,tocMode=tocMode) |
97 | 305 |
543 | 306 # userinfo: user settings (cached) |
307 userinfo = self.getUserinfo() | |
308 | |
471 | 309 # auto viewMode: text if there is a text else images |
455 | 310 if viewMode=="auto": |
530 | 311 if docinfo.get('textURLPath', None): |
312 # docinfo.get('textURL', None) not implemented yet | |
471 | 313 viewMode = "text" |
543 | 314 if viewLayer is None and 'viewLayer' not in userinfo: |
315 # use layer dict as default | |
508 | 316 viewLayer = "dict" |
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317 else: |
471 | 318 viewMode = "images" |
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319 |
474 | 320 elif viewMode == "text_dict": |
321 # legacy fix | |
322 viewMode = "text" | |
503 | 323 viewLayer = "dict" |
474 | 324 |
543 | 325 # safe viewLayer in userinfo |
326 userinfo['viewLayer'] = viewLayer | |
548 | 327 |
543 | 328 # pageinfo: information about page (not cached) |
329 pageinfo = self.getPageinfo(start=start, current=pn, docinfo=docinfo, userinfo=userinfo, viewMode=viewMode, viewLayer=viewLayer, tocMode=tocMode) | |
469 | 330 |
475 | 331 # get template /template/viewer_$viewMode |
332 pt = getattr(self.template, 'viewer_%s'%viewMode, None) | |
333 if pt is None: | |
334 logging.error("No template for viewMode=%s!"%viewMode) | |
335 # TODO: error page? | |
336 return "No template for viewMode=%s!"%viewMode | |
337 | |
455 | 338 # and execute with parameters |
471 | 339 return pt(docinfo=docinfo, pageinfo=pageinfo) |
0 | 340 |
525 | 341 def getAvailableLayers(self): |
342 """returns dict with list of available layers per viewMode""" | |
343 return self.availableLayers | |
344 | |
387 | 345 def getBrowser(self): |
346 """getBrowser the version of browser """ | |
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347 bt = browserCheck(self) |
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348 logging.debug("BROWSER VERSION: %s"%(bt)) |
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349 return bt |
387 | 350 |
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351 def findDigilibUrl(self): |
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352 """try to get the digilib URL from zogilib""" |
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353 url = self.template.zogilib.getDLBaseUrl() |
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354 return url |
480 | 355 |
356 def getScalerUrl(self, fn=None, pn=None, dw=100, dh=100, docinfo=None): | |
357 """returns URL to digilib Scaler with params""" | |
358 url = None | |
359 if docinfo is not None: | |
360 url = docinfo.get('imageURL', None) | |
361 | |
362 if url is None: | |
363 url = "%s/servlet/Scaler?"%self.digilibBaseUrl | |
364 if fn is None and docinfo is not None: | |
365 fn = docinfo.get('imagePath','') | |
366 | |
367 url += "fn=%s"%fn | |
368 | |
369 if pn: | |
370 url += "&pn=%s"%pn | |
371 | |
372 url += "&dw=%s&dh=%s"%(dw,dh) | |
373 return url | |
126 | 374 |
375 def getDocumentViewerURL(self): | |
376 """returns the URL of this instance""" | |
377 return self.absolute_url() | |
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378 |
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379 def getStyle(self, idx, selected, style=""): |
480 | 380 """returns a string with the given style and append 'sel' if idx == selected.""" |
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381 #logger("documentViewer (getstyle)", logging.INFO, "idx: %s selected: %s style: %s"%(idx,selected,style)) |
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382 if idx == selected: |
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383 return style + 'sel' |
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384 else: |
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385 return style |
74 | 386 |
478 | 387 def getParams(self, param=None, val=None, params=None, duplicates=None): |
469 | 388 """returns dict with URL parameters. |
389 | |
390 Takes URL parameters and additionally param=val or dict params. | |
391 Deletes key if value is None.""" | |
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392 # copy existing request params |
469 | 393 newParams=self.REQUEST.form.copy() |
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394 # change single param |
25 | 395 if param is not None: |
31 | 396 if val is None: |
469 | 397 if newParams.has_key(param): |
398 del newParams[param] | |
25 | 399 else: |
469 | 400 newParams[param] = str(val) |
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401 |
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402 # change more params |
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403 if params is not None: |
478 | 404 for (k, v) in params.items(): |
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405 if v is None: |
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406 # val=None removes param |
469 | 407 if newParams.has_key(k): |
408 del newParams[k] | |
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409 |
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410 else: |
469 | 411 newParams[k] = v |
478 | 412 |
413 if duplicates: | |
414 # eliminate lists (coming from duplicate keys) | |
415 for (k,v) in newParams.items(): | |
416 if isinstance(v, list): | |
417 if duplicates == 'comma': | |
418 # make comma-separated list of non-empty entries | |
419 newParams[k] = ','.join([t for t in v if t]) | |
420 elif duplicates == 'first': | |
421 # take first non-empty entry | |
422 newParams[k] = [t for t in v if t][0] | |
423 | |
469 | 424 return newParams |
425 | |
478 | 426 def getLink(self, param=None, val=None, params=None, baseUrl=None, paramSep='&', duplicates='comma'): |
469 | 427 """returns URL to documentviewer with parameter param set to val or from dict params""" |
478 | 428 urlParams = self.getParams(param=param, val=val, params=params, duplicates=duplicates) |
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429 # quote values and assemble into query string (not escaping '/') |
514 | 430 ps = paramSep.join(["%s=%s"%(k, urllib.quote_plus(utf8ify(v), '/')) for (k, v) in urlParams.items()]) |
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431 if baseUrl is None: |
469 | 432 baseUrl = self.getDocumentViewerURL() |
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433 |
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434 url = "%s?%s"%(baseUrl, ps) |
25 | 435 return url |
436 | |
478 | 437 def getLinkAmp(self, param=None, val=None, params=None, baseUrl=None, duplicates='comma'): |
68 | 438 """link to documentviewer with parameter param set to val""" |
478 | 439 return self.getLink(param=param, val=val, params=params, baseUrl=baseUrl, paramSep='&', duplicates=duplicates) |
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440 |
526 | 441 |
442 def setAvailableLayers(self, newLayerString=None): | |
443 """sets availableLayers to newLayerString or tries to autodetect available layers. | |
444 assumes layer templates have the form layer_{m}_{l} for layer l in mode m. | |
445 newLayerString is parsed as JSON.""" | |
446 if newLayerString is not None: | |
447 try: | |
448 layers = json.loads(newLayerString) | |
449 if 'text' in layers and 'images' in layers: | |
450 self.availableLayers = layers | |
451 return | |
452 except: | |
453 pass | |
454 | |
455 logging.error("invalid layers=%s! autodetecting..."%repr(newLayerString)) | |
456 | |
457 # start with builtin layers | |
458 self.availableLayers = self.builtinLayers.copy() | |
459 # add layers from templates | |
460 for t in self.template: | |
461 if t.startswith('layer_'): | |
462 try: | |
463 (x, m, l) = t.split('_', 3) | |
464 if m not in self.availableLayers: | |
465 # mode m doesn't exist -> new list | |
466 self.availableLayers[m] = [l] | |
467 | |
468 else: | |
469 # m exists -> append | |
470 if l not in self.availableLayers[m]: | |
471 self.availableLayers[m].append() | |
472 | |
473 except: | |
474 pass | |
475 | |
476 def getAvailableLayersJson(self): | |
477 """returns available layers as JSON string.""" | |
478 return json.dumps(self.availableLayers) | |
479 | |
469 | 480 |
57 | 481 def getInfo_xml(self,url,mode): |
482 """returns info about the document as XML""" | |
483 if not self.digilibBaseUrl: | |
514 | 484 self.digilibBaseUrl = self.findDigilibUrl() or "http://digilib.mpiwg-berlin.mpg.de/digitallibrary" |
57 | 485 |
486 docinfo = self.getDocinfo(mode=mode,url=url) | |
487 pt = getattr(self.template, 'info_xml') | |
488 return pt(docinfo=docinfo) | |
489 | |
528 | 490 def getAuthenticatedUser(self, anon=None): |
491 """returns the authenticated user object or None. (ignores Zopes anonymous user)""" | |
492 user = getSecurityManager().getUser() | |
493 if user is not None and user.getUserName() != "Anonymous User": | |
494 return user | |
495 else: | |
496 return anon | |
497 | |
35 | 498 def isAccessible(self, docinfo): |
32 | 499 """returns if access to the resource is granted""" |
500 access = docinfo.get('accessType', None) | |
167 | 501 logging.debug("documentViewer (accessOK) access type %s"%access) |
465 | 502 if access == 'free': |
167 | 503 logging.debug("documentViewer (accessOK) access is free") |
32 | 504 return True |
465 | 505 |
45 | 506 elif access is None or access in self.authgroups: |
35 | 507 # only local access -- only logged in users |
528 | 508 user = self.getAuthenticatedUser() |
167 | 509 logging.debug("documentViewer (accessOK) user=%s ip=%s"%(user,self.REQUEST.getClientAddr())) |
528 | 510 return (user is not None) |
32 | 511 |
167 | 512 logging.error("documentViewer (accessOK) unknown access type %s"%access) |
32 | 513 return False |
464 | 514 |
515 | |
543 | 516 def getUserinfo(self): |
517 """returns userinfo object""" | |
518 logging.debug("getUserinfo") | |
519 userinfo = {} | |
520 # look for cached userinfo in session | |
521 if self.REQUEST.SESSION.has_key('userinfo'): | |
522 userinfo = self.REQUEST.SESSION['userinfo'] | |
523 # check if its still current? | |
524 else: | |
525 # store in session | |
526 self.REQUEST.SESSION['userinfo'] = userinfo | |
527 | |
528 return userinfo | |
529 | |
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530 def getDocinfo(self, mode, url, tocMode=None): |
464 | 531 """returns docinfo depending on mode""" |
532 logging.debug("getDocinfo: mode=%s, url=%s"%(mode,url)) | |
533 # look for cached docinfo in session | |
534 if self.REQUEST.SESSION.has_key('docinfo'): | |
535 docinfo = self.REQUEST.SESSION['docinfo'] | |
536 # check if its still current | |
537 if docinfo is not None and docinfo.get('mode', None) == mode and docinfo.get('url', None) == url: | |
538 logging.debug("getDocinfo: docinfo in session. keys=%s"%docinfo.keys()) | |
539 return docinfo | |
540 | |
541 # new docinfo | |
542 docinfo = {'mode': mode, 'url': url} | |
543 # add self url | |
544 docinfo['viewerUrl'] = self.getDocumentViewerURL() | |
477 | 545 docinfo['digilibBaseUrl'] = self.digilibBaseUrl |
464 | 546 # get index.meta DOM |
547 docUrl = None | |
548 metaDom = None | |
549 if mode=="texttool": | |
550 # url points to document dir or index.meta | |
551 metaDom = self.metadataService.getDomFromPathOrUrl(url) | |
552 docUrl = url.replace('/index.meta', '') | |
553 if metaDom is None: | |
554 raise IOError("Unable to find index.meta for mode=texttool!") | |
555 | |
556 elif mode=="imagepath": | |
557 # url points to folder with images, index.meta optional | |
558 # asssume index.meta in parent dir | |
559 docUrl = getParentPath(url) | |
560 metaDom = self.metadataService.getDomFromPathOrUrl(docUrl) | |
561 | |
562 elif mode=="filepath": | |
563 # url points to image file, index.meta optional | |
548 | 564 docinfo['imagePath'] = url |
565 docinfo['imageURL'] = self.digilibBaseUrl + "/servlet/Scaler?fn=" + url | |
566 docinfo['numPages'] = 1 | |
464 | 567 # asssume index.meta is two path segments up |
568 docUrl = getParentPath(url, 2) | |
569 metaDom = self.metadataService.getDomFromPathOrUrl(docUrl) | |
570 | |
571 else: | |
572 logging.error("documentViewer (getdocinfo) unknown mode: %s!"%mode) | |
573 raise ValueError("Unknown mode %s! Has to be one of 'texttool','imagepath','filepath'."%(mode)) | |
574 | |
575 docinfo['documentUrl'] = docUrl | |
576 # process index.meta contents | |
473 | 577 if metaDom is not None and metaDom.tag == 'resource': |
464 | 578 # document directory name and path |
579 resource = self.metadataService.getResourceData(dom=metaDom) | |
580 if resource: | |
581 docinfo = self.getDocinfoFromResource(docinfo, resource) | |
582 | |
583 # texttool info | |
561
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584 texttool = self.metadataService.getTexttoolData(dom=metaDom, recursive=1, all=True) |
464 | 585 if texttool: |
586 docinfo = self.getDocinfoFromTexttool(docinfo, texttool) | |
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587 # document info (including toc) from full text |
516 | 588 if docinfo.get('textURLPath', None): |
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589 docinfo = self.getTextInfo(mode=tocMode, docinfo=docinfo) |
464 | 590 |
591 # bib info | |
592 bib = self.metadataService.getBibData(dom=metaDom) | |
593 if bib: | |
548 | 594 # save extended version as 'bibx' TODO: ugly |
541 | 595 bibx = self.metadataService.getBibData(dom=metaDom, all=True, recursive=1) |
596 if len(bibx) == 1: | |
597 # unwrap list if possible | |
598 bibx = bibx[0] | |
599 | |
600 docinfo['bibx'] = bibx | |
601 docinfo = self.getDocinfoFromBib(docinfo, bib, bibx) | |
465 | 602 else: |
603 # no bib - try info.xml | |
604 docinfo = self.getDocinfoFromPresentationInfoXml(docinfo) | |
464 | 605 |
606 # auth info | |
607 access = self.metadataService.getAccessData(dom=metaDom) | |
608 if access: | |
609 docinfo = self.getDocinfoFromAccess(docinfo, access) | |
610 | |
466 | 611 # attribution info |
612 attribution = self.metadataService.getAttributionData(dom=metaDom) | |
613 if attribution: | |
614 logging.debug("getDocinfo: attribution=%s"%repr(attribution)) | |
615 docinfo['attribution'] = attribution | |
616 | |
617 # copyright info | |
618 copyright = self.metadataService.getCopyrightData(dom=metaDom) | |
619 if copyright: | |
620 logging.debug("getDocinfo: copyright=%s"%repr(copyright)) | |
621 docinfo['copyright'] = copyright | |
538 | 622 |
623 # DRI (permanent ID) | |
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624 dri = self.metadataService.getDRI(dom=metaDom, type='escidoc') |
538 | 625 if dri: |
626 logging.debug("getDRI: dri=%s"%repr(dri)) | |
627 docinfo['DRI'] = dri | |
466 | 628 |
464 | 629 # image path |
630 if mode != 'texttool': | |
532 | 631 # override image path from texttool with url parameter TODO: how about mode=auto? |
465 | 632 docinfo['imagePath'] = url.replace('/mpiwg/online/', '', 1) |
464 | 633 |
548 | 634 # check numPages |
635 if docinfo.get('numPages', 0) == 0: | |
636 # number of images from digilib | |
637 if docinfo.get('imagePath', None): | |
532 | 638 docinfo['imageURL'] = self.digilibBaseUrl + "/servlet/Scaler?fn=" + docinfo['imagePath'] |
548 | 639 docinfo = self.getDocinfoFromDigilib(docinfo, docinfo['imagePath']) |
640 else: | |
641 # imagePath still missing? try "./pageimg" | |
642 imgPath = os.path.join(docUrl, 'pageimg') | |
643 docinfo = self.getDocinfoFromDigilib(docinfo, imgPath) | |
644 if docinfo.get('numPages', 0) > 0: | |
645 # there are pages | |
646 docinfo['imagePath'] = imgPath | |
647 docinfo['imageURL'] = self.digilibBaseUrl + "/servlet/Scaler?fn=" + docinfo['imagePath'] | |
464 | 648 |
516 | 649 # check numPages |
650 if docinfo.get('numPages', 0) == 0: | |
651 if docinfo.get('numTextPages', 0) > 0: | |
652 # replace with numTextPages (text-only?) | |
653 docinfo['numPages'] = docinfo['numTextPages'] | |
654 | |
464 | 655 logging.debug("documentViewer (getdocinfo) docinfo: keys=%s"%docinfo.keys()) |
656 #logging.debug("documentViewer (getdocinfo) docinfo: %s"%docinfo) | |
657 # store in session | |
658 self.REQUEST.SESSION['docinfo'] = docinfo | |
659 return docinfo | |
660 | |
516 | 661 |
464 | 662 def getDocinfoFromResource(self, docinfo, resource): |
663 """reads contents of resource element into docinfo""" | |
664 docName = resource.get('name', None) | |
665 docinfo['documentName'] = docName | |
666 docPath = resource.get('archive-path', None) | |
667 if docPath: | |
668 # clean up document path | |
669 if docPath[0] != '/': | |
670 docPath = '/' + docPath | |
671 | |
672 if docName and (not docPath.endswith(docName)): | |
673 docPath += "/" + docName | |
674 | |
675 else: | |
676 # use docUrl as docPath | |
677 docUrl = docinfo['documentURL'] | |
678 if not docUrl.startswith('http:'): | |
679 docPath = docUrl | |
465 | 680 if docPath: |
681 # fix URLs starting with /mpiwg/online | |
682 docPath = docPath.replace('/mpiwg/online', '', 1) | |
683 | |
464 | 684 docinfo['documentPath'] = docPath |
685 return docinfo | |
686 | |
687 def getDocinfoFromTexttool(self, docinfo, texttool): | |
688 """reads contents of texttool element into docinfo""" | |
561
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689 logging.debug("texttool=%s"%repr(texttool)) |
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690 # unpack list if necessary |
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691 if isinstance(texttool, list): |
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692 texttool = texttool[0] |
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693 |
464 | 694 # image dir |
561
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695 imageDir = getMDText(texttool.get('image', None)) |
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696 docPath = getMDText(docinfo.get('documentPath', None)) |
464 | 697 if imageDir and docPath: |
698 #print "image: ", imageDir, " archivepath: ", archivePath | |
699 imageDir = os.path.join(docPath, imageDir) | |
700 imageDir = imageDir.replace('/mpiwg/online', '', 1) | |
701 docinfo['imagePath'] = imageDir | |
702 | |
703 # old style text URL | |
561
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704 textUrl = getMDText(texttool.get('text', None)) |
464 | 705 if textUrl and docPath: |
706 if urlparse.urlparse(textUrl)[0] == "": #keine url | |
707 textUrl = os.path.join(docPath, textUrl) | |
708 | |
709 docinfo['textURL'] = textUrl | |
710 | |
561
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711 # new style text-url-path (can be more than one with "repository" attribute) |
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712 textUrlNode = texttool.get('text-url-path', None) |
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713 if not isinstance(textUrlNode, list): |
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714 textUrlNode = [textUrlNode] |
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715 |
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716 for tun in textUrlNode: |
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717 textUrl = getMDText(tun) |
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718 if textUrl: |
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719 textUrlAtts = tun.get('@attr') |
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720 if (textUrlAtts and 'repository' in textUrlAtts): |
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721 textRepo = textUrlAtts['repository'] |
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722 # use matching repository |
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723 if self.getRepositoryType() == textRepo: |
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724 docinfo['textURLPath'] = textUrl |
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725 docinfo['textURLRepository'] = textRepo |
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726 |
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727 else: |
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728 # no repo attribute - use always |
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729 docinfo['textURLPath'] = textUrl |
468 | 730 |
731 # page flow | |
561
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732 docinfo['pageFlow'] = getMDText(texttool.get('page-flow', 'ltr')) |
468 | 733 |
734 # odd pages are left | |
561
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735 docinfo['oddPage'] = getMDText(texttool.get('odd-scan-position', 'left')) |
468 | 736 |
541 | 737 # number of title page (default 1) |
561
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738 docinfo['titlePage'] = getMDText(texttool.get('title-scan-no', 1)) |
464 | 739 |
740 # old presentation stuff | |
561
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741 presentation = getMDText(texttool.get('presentation', None)) |
464 | 742 if presentation and docPath: |
465 | 743 if presentation.startswith('http:'): |
744 docinfo['presentationUrl'] = presentation | |
745 else: | |
746 docinfo['presentationUrl'] = os.path.join(docPath, presentation) | |
468 | 747 |
464 | 748 return docinfo |
749 | |
541 | 750 def getDocinfoFromBib(self, docinfo, bib, bibx=None): |
464 | 751 """reads contents of bib element into docinfo""" |
465 | 752 logging.debug("getDocinfoFromBib bib=%s"%repr(bib)) |
464 | 753 # put all raw bib fields in dict "bib" |
754 docinfo['bib'] = bib | |
755 bibtype = bib.get('@type', None) | |
756 docinfo['bibType'] = bibtype | |
757 # also store DC metadata for convenience | |
758 dc = self.metadataService.getDCMappedData(bib) | |
536
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759 docinfo['creator'] = dc.get('creator','') |
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760 docinfo['title'] = dc.get('title','') |
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761 docinfo['date'] = dc.get('date','') |
464 | 762 return docinfo |
763 | |
764 def getDocinfoFromAccess(self, docinfo, acc): | |
765 """reads contents of access element into docinfo""" | |
766 #TODO: also read resource type | |
465 | 767 logging.debug("getDocinfoFromAccess acc=%s"%repr(acc)) |
464 | 768 try: |
465 | 769 acctype = acc['@attr']['type'] |
464 | 770 if acctype: |
771 access=acctype | |
772 if access in ['group', 'institution']: | |
773 access = acc['name'].lower() | |
774 | |
775 docinfo['accessType'] = access | |
776 | |
777 except: | |
778 pass | |
779 | |
780 return docinfo | |
781 | |
782 def getDocinfoFromDigilib(self, docinfo, path): | |
783 infoUrl=self.digilibBaseUrl+"/dirInfo-xml.jsp?mo=dir&fn="+path | |
784 # fetch data | |
785 txt = getHttpData(infoUrl) | |
786 if not txt: | |
787 logging.error("Unable to get dir-info from %s"%(infoUrl)) | |
788 return docinfo | |
789 | |
790 dom = ET.fromstring(txt) | |
791 size = getText(dom.find("size")) | |
792 logging.debug("getDocinfoFromDigilib: size=%s"%size) | |
793 if size: | |
794 docinfo['numPages'] = int(size) | |
795 else: | |
796 docinfo['numPages'] = 0 | |
797 | |
798 # TODO: produce and keep list of image names and numbers | |
799 return docinfo | |
800 | |
801 | |
465 | 802 def getDocinfoFromPresentationInfoXml(self,docinfo): |
803 """gets DC-like bibliographical information from the presentation entry in texttools""" | |
804 url = docinfo.get('presentationUrl', None) | |
805 if not url: | |
806 logging.error("getDocinfoFromPresentation: no URL!") | |
807 return docinfo | |
808 | |
809 dom = None | |
810 metaUrl = None | |
811 if url.startswith("http://"): | |
812 # real URL | |
813 metaUrl = url | |
814 else: | |
815 # online path | |
816 | |
817 server=self.digilibBaseUrl+"/servlet/Texter?fn=" | |
818 metaUrl=server+url | |
819 | |
820 txt=getHttpData(metaUrl) | |
821 if txt is None: | |
822 logging.error("Unable to read info.xml from %s"%(url)) | |
823 return docinfo | |
824 | |
825 dom = ET.fromstring(txt) | |
826 docinfo['creator']=getText(dom.find(".//author")) | |
827 docinfo['title']=getText(dom.find(".//title")) | |
828 docinfo['date']=getText(dom.find(".//date")) | |
829 return docinfo | |
830 | |
831 | |
543 | 832 def getPageinfo(self, current=None, start=None, rows=None, cols=None, docinfo=None, userinfo=None, viewMode=None, viewLayer=None, tocMode=None): |
22 | 833 """returns pageinfo with the given parameters""" |
503 | 834 logging.debug("getPageInfo(current=%s, start=%s, rows=%s, cols=%s, viewMode=%s, viewLayer=%s, tocMode=%s)"%(current,start,rows,cols,viewMode,viewLayer,tocMode)) |
22 | 835 pageinfo = {} |
471 | 836 pageinfo['viewMode'] = viewMode |
508 | 837 # split viewLayer if necessary |
838 if isinstance(viewLayer,basestring): | |
839 viewLayer = viewLayer.split(',') | |
840 | |
841 if isinstance(viewLayer, list): | |
842 logging.debug("getPageinfo: viewLayer is list:%s"%viewLayer) | |
843 # save (unique) list in viewLayers | |
844 seen = set() | |
845 viewLayers = [l for l in viewLayer if l and l not in seen and not seen.add(l)] | |
846 pageinfo['viewLayers'] = viewLayers | |
847 # stringify viewLayer | |
848 viewLayer = ','.join(viewLayers) | |
849 else: | |
850 #create list | |
851 pageinfo['viewLayers'] = [viewLayer] | |
852 | |
503 | 853 pageinfo['viewLayer'] = viewLayer |
471 | 854 pageinfo['tocMode'] = tocMode |
855 | |
516 | 856 # TODO: unify current and pn! |
25 | 857 current = getInt(current) |
858 pageinfo['current'] = current | |
480 | 859 pageinfo['pn'] = current |
25 | 860 rows = int(rows or self.thumbrows) |
861 pageinfo['rows'] = rows | |
862 cols = int(cols or self.thumbcols) | |
863 pageinfo['cols'] = cols | |
864 grpsize = cols * rows | |
865 pageinfo['groupsize'] = grpsize | |
476 | 866 # is start is empty use one around current |
61 | 867 start = getInt(start, default=(math.ceil(float(current)/float(grpsize))*grpsize-(grpsize-1))) |
868 # int(current / grpsize) * grpsize +1)) | |
22 | 869 pageinfo['start'] = start |
511 | 870 # get number of pages |
469 | 871 np = int(docinfo.get('numPages', 0)) |
872 if np == 0: | |
518
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873 # try numTextPages |
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874 np = docinfo.get('numTextPages', 0) |
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875 if np != 0: |
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876 docinfo['numPages'] = np |
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877 |
511 | 878 # cache table of contents |
879 pageinfo['tocPageSize'] = getInt(self.REQUEST.get('tocPageSize', 30)) | |
469 | 880 pageinfo['numgroups'] = int(np / grpsize) |
881 if np % grpsize > 0: | |
882 pageinfo['numgroups'] += 1 | |
476 | 883 |
884 pageFlowLtr = docinfo.get('pageFlow', 'ltr') != 'rtl' | |
885 oddScanLeft = docinfo.get('oddPage', 'left') != 'right' | |
886 # add zeroth page for two columns | |
887 pageZero = (cols == 2 and (pageFlowLtr != oddScanLeft)) | |
888 pageinfo['pageZero'] = pageZero | |
480 | 889 pageinfo['pageBatch'] = self.getPageBatch(start=start, rows=rows, cols=cols, pageFlowLtr=pageFlowLtr, pageZero=pageZero, minIdx=1, maxIdx=np) |
516 | 890 # more page parameters |
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891 pageinfo['characterNormalization'] = self.REQUEST.get('characterNormalization','reg') |
516 | 892 if docinfo.get('pageNumbers'): |
893 # get original page numbers | |
894 pageNumber = docinfo['pageNumbers'].get(current, None) | |
895 if pageNumber is not None: | |
896 pageinfo['pageNumberOrig'] = pageNumber['no'] | |
897 pageinfo['pageNumberOrigNorm'] = pageNumber['non'] | |
158 | 898 |
511 | 899 # cache search results |
900 pageinfo['resultPageSize'] = getInt(self.REQUEST.get('resultPageSize', 10)) | |
901 query = self.REQUEST.get('query',None) | |
902 pageinfo['query'] = query | |
903 if query: | |
904 queryType = self.REQUEST.get('queryType', 'fulltextMorph') | |
905 pageinfo['queryType'] = queryType | |
906 pageinfo['resultStart'] = getInt(self.REQUEST.get('resultStart', '1')) | |
907 self.getSearchResults(mode=queryType, query=query, pageinfo=pageinfo, docinfo=docinfo) | |
908 | |
909 # highlighting | |
910 highlightQuery = self.REQUEST.get('highlightQuery', None) | |
911 if highlightQuery: | |
912 pageinfo['highlightQuery'] = highlightQuery | |
913 pageinfo['highlightElement'] = self.REQUEST.get('highlightElement', '') | |
914 pageinfo['highlightElementPos'] = self.REQUEST.get('highlightElementPos', '') | |
460 | 915 |
22 | 916 return pageinfo |
460 | 917 |
463 | 918 |
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919 def getPageBatch(self, start=1, rows=10, cols=2, pageFlowLtr=True, pageZero=False, minIdx=1, maxIdx=0): |
480 | 920 """returns dict with array of page informations for one screenfull of thumbnails""" |
482
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921 batch = {} |
480 | 922 grpsize = rows * cols |
476 | 923 if maxIdx == 0: |
480 | 924 maxIdx = start + grpsize |
476 | 925 |
482
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926 nb = int(math.ceil(maxIdx / float(grpsize))) |
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927 # list of all batch start and end points |
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928 batches = [] |
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929 if pageZero: |
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930 ofs = 0 |
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931 else: |
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932 ofs = 1 |
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933 |
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934 for i in range(nb): |
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935 s = i * grpsize + ofs |
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936 e = min((i + 1) * grpsize + ofs - 1, maxIdx) |
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937 batches.append({'start':s, 'end':e}) |
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938 |
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939 batch['batches'] = batches |
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940 |
476 | 941 pages = [] |
942 if pageZero and start == 1: | |
943 # correct beginning | |
944 idx = 0 | |
945 else: | |
946 idx = start | |
947 | |
948 for r in range(rows): | |
949 row = [] | |
950 for c in range(cols): | |
951 if idx < minIdx or idx > maxIdx: | |
952 page = {'idx':None} | |
953 else: | |
954 page = {'idx':idx} | |
955 | |
956 idx += 1 | |
957 if pageFlowLtr: | |
958 row.append(page) | |
959 else: | |
960 row.insert(0, page) | |
961 | |
962 pages.append(row) | |
963 | |
480 | 964 if start > 1: |
965 batch['prevStart'] = max(start - grpsize, 1) | |
966 else: | |
967 batch['prevStart'] = None | |
968 | |
526 | 969 if start + grpsize <= maxIdx: |
480 | 970 batch['nextStart'] = start + grpsize |
971 else: | |
972 batch['nextStart'] = None | |
973 | |
974 batch['pages'] = pages | |
482
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975 return batch |
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976 |
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977 def getBatch(self, start=1, size=10, end=0, data=None, fullData=True): |
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978 """returns dict with information for one screenfull of data.""" |
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979 batch = {} |
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980 if end == 0: |
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981 end = start + size |
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982 |
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983 nb = int(math.ceil(end / float(size))) |
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984 # list of all batch start and end points |
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985 batches = [] |
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986 for i in range(nb): |
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987 s = i * size + 1 |
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988 e = min((i + 1) * size, end) |
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989 batches.append({'start':s, 'end':e}) |
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990 |
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991 batch['batches'] = batches |
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992 # list of elements in this batch |
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993 this = [] |
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994 j = 0 |
526 | 995 for i in range(start, min(start+size, end+1)): |
482
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996 if data: |
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997 if fullData: |
526 | 998 d = data.get(i, None) |
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999 else: |
526 | 1000 d = data.get(j, None) |
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1001 j += 1 |
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1002 |
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1003 else: |
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1004 d = i+1 |
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1005 |
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1006 this.append(d) |
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1007 |
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1008 batch['this'] = this |
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1009 if start > 1: |
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1010 batch['prevStart'] = max(start - size, 1) |
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1011 else: |
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1012 batch['prevStart'] = None |
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1013 |
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1014 if start + size < end: |
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1015 batch['nextStart'] = start + size |
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1016 else: |
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1017 batch['nextStart'] = None |
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1018 |
526 | 1019 logging.debug("getBatch start=%s size=%s end=%s batch=%s"%(start,size,end,repr(batch))) |
480 | 1020 return batch |
476 | 1021 |
1022 | |
546 | 1023 def getAnnotatorGroupsForUser(self, user, annotationServerUrl="http://tuxserve03.mpiwg-berlin.mpg.de/AnnotationManager"): |
1024 """returns list of groups {name:*, id:*} on the annotation server for the user""" | |
1025 groups = [] | |
1026 groupsUrl = "%s/annotator/groups?user=%s"%(annotationServerUrl,user) | |
1027 data = getHttpData(url=groupsUrl, noExceptions=True) | |
1028 if data: | |
1029 res = json.loads(data) | |
1030 rows = res.get('rows', None) | |
1031 if rows is None: | |
1032 return groups | |
1033 for r in rows: | |
1034 groups.append({'id': r.get('id', None), 'name': r.get('name', None), 'uri': r.get('uri', None)}) | |
1035 | |
1036 return groups | |
1037 | |
1038 | |
463 | 1039 security.declareProtected('View management screens','changeDocumentViewerForm') |
1040 changeDocumentViewerForm = PageTemplateFile('zpt/changeDocumentViewer', globals()) | |
22 | 1041 |
526 | 1042 def changeDocumentViewer(self,title="",digilibBaseUrl=None,thumbrows=2,thumbcols=5,authgroups='mpiwg',availableLayers=None,RESPONSE=None): |
22 | 1043 """init document viewer""" |
1044 self.title=title | |
1045 self.digilibBaseUrl = digilibBaseUrl | |
25 | 1046 self.thumbrows = thumbrows |
1047 self.thumbcols = thumbcols | |
32 | 1048 self.authgroups = [s.strip().lower() for s in authgroups.split(',')] |
463 | 1049 try: |
1050 # assume MetaDataFolder instance is called metadata | |
1051 self.metadataService = getattr(self, 'metadata') | |
1052 except Exception, e: | |
1053 logging.error("Unable to find MetaDataFolder 'metadata': "+str(e)) | |
526 | 1054 |
1055 self.setAvailableLayers(availableLayers) | |
463 | 1056 |
22 | 1057 if RESPONSE is not None: |
1058 RESPONSE.redirect('manage_main') | |
0 | 1059 |
1060 def manage_AddDocumentViewerForm(self): | |
1061 """add the viewer form""" | |
22 | 1062 pt=PageTemplateFile('zpt/addDocumentViewer', globals()).__of__(self) |
0 | 1063 return pt() |
1064 | |
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1065 def manage_AddDocumentViewer(self,id,imageScalerUrl="",textServerName="",title="",RESPONSE=None): |
0 | 1066 """add the viewer""" |
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1067 newObj=documentViewer(id,imageScalerUrl=imageScalerUrl,title=title,textServerName=textServerName) |
0 | 1068 self._setObject(id,newObj) |
1069 | |
1070 if RESPONSE is not None: | |
1071 RESPONSE.redirect('manage_main') |