Mercurial > hg > documentViewer
annotate documentViewer.py @ 73:0f534c12cc9e
minor
| author | dwinter |
|---|---|
| date | Tue, 04 Nov 2008 21:23:49 +0100 |
| parents | 6412c45dff58 |
| children | 5c9837484085 |
| rev | line source |
|---|---|
| 46 | 1 |
| 2 | |
| 0 | 3 from OFS.Folder import Folder |
| 4 from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate | |
| 52 | 5 from Products.PageTemplates.PageTemplateFile import PageTemplateFile |
| 0 | 6 from AccessControl import ClassSecurityInfo |
| 32 | 7 from AccessControl import getSecurityManager |
| 0 | 8 from Globals import package_home |
| 9 | |
| 10 from Ft.Xml.Domlette import NonvalidatingReader | |
| 11 from Ft.Xml.Domlette import PrettyPrint, Print | |
| 38 | 12 from Ft.Xml import EMPTY_NAMESPACE, Parse |
| 0 | 13 |
| 14 import Ft.Xml.XPath | |
| 15 | |
| 16 import os.path | |
| 31 | 17 import sys |
| 0 | 18 import cgi |
| 19 import urllib | |
|
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20 import logging |
| 61 | 21 import math |
| 52 | 22 |
| 46 | 23 import urlparse |
| 0 | 24 |
| 52 | 25 def logger(txt,method,txt2): |
| 26 """logging""" | |
| 27 logging.info(txt+ txt2) | |
| 28 | |
| 29 | |
| 25 | 30 def getInt(number, default=0): |
| 31 """returns always an int (0 in case of problems)""" | |
| 32 try: | |
| 33 return int(number) | |
| 34 except: | |
| 62 | 35 return int(default) |
| 25 | 36 |
| 0 | 37 def getTextFromNode(nodename): |
| 46 | 38 """get the cdata content of a node""" |
| 32 | 39 if nodename is None: |
| 40 return "" | |
| 0 | 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 | |
| 35 | 48 |
| 49 def getParentDir(path): | |
| 50 """returns pathname shortened by one""" | |
| 51 return '/'.join(path.split('/')[0:-1]) | |
| 52 | |
| 53 | |
| 0 | 54 import socket |
| 55 | |
| 32 | 56 def urlopen(url,timeout=2): |
| 0 | 57 """urlopen mit timeout""" |
| 32 | 58 socket.setdefaulttimeout(timeout) |
| 0 | 59 ret=urllib.urlopen(url) |
| 60 socket.setdefaulttimeout(5) | |
| 61 return ret | |
| 62 | |
| 63 | |
| 22 | 64 ## |
| 65 ## documentViewer class | |
| 66 ## | |
| 67 class documentViewer(Folder): | |
| 0 | 68 """document viewer""" |
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69 #textViewerUrl="http://127.0.0.1:8080/HFQP/testXSLT/getPage?" |
| 46 | 70 |
| 0 | 71 meta_type="Document viewer" |
| 72 | |
| 73 security=ClassSecurityInfo() | |
| 22 | 74 manage_options=Folder.manage_options+( |
| 0 | 75 {'label':'main config','action':'changeDocumentViewerForm'}, |
| 76 ) | |
| 77 | |
| 22 | 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()) | |
| 57 | 84 info_xml = PageTemplateFile('zpt/info_xml', globals()) |
| 22 | 85 |
| 68 | 86 thumbs_main_rss = PageTemplateFile('zpt/thumbs_main_rss', globals()) |
| 22 | 87 security.declareProtected('View management screens','changeDocumentViewerForm') |
| 88 changeDocumentViewerForm = PageTemplateFile('zpt/changeDocumentViewer', globals()) | |
| 89 | |
| 0 | 90 |
| 46 | 91 def __init__(self,id,imageViewerUrl,textViewerUrl=None,title="",digilibBaseUrl=None,thumbcols=2,thumbrows=10,authgroups="mpiwg"): |
| 0 | 92 """init document viewer""" |
| 93 self.id=id | |
| 94 self.title=title | |
| 95 self.imageViewerUrl=imageViewerUrl | |
| 46 | 96 self.textViewerUrl=textViewerUrl |
| 97 | |
| 25 | 98 if not digilibBaseUrl: |
| 22 | 99 self.digilibBaseUrl = self.findDigilibUrl() |
| 25 | 100 else: |
| 101 self.digilibBaseUrl = digilibBaseUrl | |
| 102 self.thumbcols = thumbcols | |
| 103 self.thumbrows = thumbrows | |
| 32 | 104 # authgroups is list of authorized groups (delimited by ,) |
| 105 self.authgroups = [s.strip().lower() for s in authgroups.split(',')] | |
| 22 | 106 # add template folder so we can always use template.something |
| 107 self.manage_addFolder('template') | |
| 108 | |
| 109 | |
| 68 | 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 | |
| 22 | 141 security.declareProtected('View','index_html') |
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142 def index_html(self,mode,url,viewMode="auto",start=None,pn=1): |
| 22 | 143 ''' |
| 144 view it | |
| 57 | 145 @param mode: defines how to access the document behind url |
| 22 | 146 @param url: url which contains display information |
| 57 | 147 @param viewMode: if images display images, if text display text, default is images (text,images or auto) |
| 46 | 148 |
| 22 | 149 ''' |
| 0 | 150 |
| 52 | 151 logger("documentViewer (index)", logging.INFO, "mode: %s url:%s start:%s pn:%s"%(mode,url,start,pn)) |
| 22 | 152 |
| 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 | |
| 25 | 160 docinfo = self.getDocinfo(mode=mode,url=url) |
| 161 pageinfo = self.getPageinfo(start=start,current=pn,docinfo=docinfo) | |
| 22 | 162 pt = getattr(self.template, 'viewer_main') |
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163 |
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164 if viewMode=="auto": # automodus gewaehlt |
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165 if docinfo.get("textURL",'') and self.textViewerUrl: #texturl gesetzt und textViewer konfiguriert |
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166 viewMode="text" |
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167 else: |
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168 viewMode="images" |
| 52 | 169 |
| 46 | 170 return pt(docinfo=docinfo,pageinfo=pageinfo,viewMode=viewMode) |
| 0 | 171 |
| 172 | |
| 25 | 173 def getLink(self,param=None,val=None): |
| 174 """link to documentviewer with parameter param set to val""" | |
| 35 | 175 params=self.REQUEST.form.copy() |
| 25 | 176 if param is not None: |
| 31 | 177 if val is None: |
| 178 if params.has_key(param): | |
| 179 del params[param] | |
| 25 | 180 else: |
| 35 | 181 params[param] = str(val) |
| 31 | 182 |
| 35 | 183 # quote values and assemble into query string |
| 184 ps = "&".join(["%s=%s"%(k,urllib.quote(v)) for (k, v) in params.items()]) | |
| 185 url=self.REQUEST['URL1']+"?"+ps | |
| 25 | 186 return url |
| 187 | |
| 68 | 188 def getLinkAmp(self,param=None,val=None): |
| 189 """link to documentviewer with parameter param set to val""" | |
| 190 params=self.REQUEST.form.copy() | |
| 191 if param is not None: | |
| 192 if val is None: | |
| 193 if params.has_key(param): | |
| 194 del params[param] | |
| 195 else: | |
| 196 params[param] = str(val) | |
| 197 | |
| 198 # quote values and assemble into query string | |
| 199 logging.info("XYXXXXX: %s"%repr(params.items())) | |
| 200 ps = "&".join(["%s=%s"%(k,urllib.quote(v)) for (k, v) in params.items()]) | |
| 201 url=self.REQUEST['URL1']+"?"+ps | |
| 202 return url | |
| 57 | 203 def getInfo_xml(self,url,mode): |
| 204 """returns info about the document as XML""" | |
| 205 | |
| 206 if not self.digilibBaseUrl: | |
| 207 self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary" | |
| 208 | |
| 209 docinfo = self.getDocinfo(mode=mode,url=url) | |
| 210 pt = getattr(self.template, 'info_xml') | |
| 211 return pt(docinfo=docinfo) | |
| 212 | |
| 0 | 213 |
| 22 | 214 def getStyle(self, idx, selected, style=""): |
| 25 | 215 """returns a string with the given style and append 'sel' if path == selected.""" |
| 52 | 216 #logger("documentViewer (getstyle)", logging.INFO, "idx: %s selected: %s style: %s"%(idx,selected,style)) |
| 22 | 217 if idx == selected: |
| 218 return style + 'sel' | |
| 219 else: | |
| 35 | 220 return style |
| 57 | 221 |
| 35 | 222 |
| 223 def isAccessible(self, docinfo): | |
| 32 | 224 """returns if access to the resource is granted""" |
| 225 access = docinfo.get('accessType', None) | |
| 52 | 226 logger("documentViewer (accessOK)", logging.INFO, "access type %s"%access) |
| 45 | 227 if access is not None and access == 'free': |
| 52 | 228 logger("documentViewer (accessOK)", logging.INFO, "access is free") |
| 32 | 229 return True |
| 45 | 230 elif access is None or access in self.authgroups: |
| 35 | 231 # only local access -- only logged in users |
| 232 user = getSecurityManager().getUser() | |
| 233 if user is not None: | |
| 234 #print "user: ", user | |
| 235 return (user.getUserName() != "Anonymous User") | |
| 236 else: | |
| 237 return False | |
| 32 | 238 |
| 52 | 239 logger("documentViewer (accessOK)", logging.INFO, "unknown access type %s"%access) |
| 32 | 240 return False |
| 35 | 241 |
| 32 | 242 |
| 73 | 243 def getDirinfoFromDigilib(self,path,docinfo=None,cut=0): |
| 29 | 244 """gibt param von dlInfo aus""" |
| 40 | 245 num_retries = 3 |
| 31 | 246 if docinfo is None: |
| 247 docinfo = {} | |
| 73 | 248 |
| 249 for x in range(cut): | |
| 250 path=getParentDir(path) | |
| 40 | 251 infoUrl=self.digilibBaseUrl+"/dirInfo-xml.jsp?mo=dir&fn="+path |
| 29 | 252 |
| 52 | 253 logger("documentViewer (getparamfromdigilib)", logging.INFO, "dirInfo from %s"%(infoUrl)) |
| 29 | 254 |
| 40 | 255 for cnt in range(num_retries): |
| 35 | 256 try: |
| 40 | 257 # dom = NonvalidatingReader.parseUri(imageUrl) |
| 258 txt=urllib.urlopen(infoUrl).read() | |
| 259 dom = Parse(txt) | |
| 35 | 260 break |
| 261 except: | |
| 52 | 262 logger("documentViewer (getdirinfofromdigilib)", logging.ERROR, "error reading %s (try %d)"%(infoUrl,cnt)) |
| 35 | 263 else: |
| 40 | 264 raise IOError("Unable to get dir-info from %s"%(infoUrl)) |
| 29 | 265 |
| 37 | 266 sizes=dom.xpath("//dir/size") |
| 52 | 267 logger("documentViewer (getparamfromdigilib)", logging.INFO, "dirInfo:size"%sizes) |
| 29 | 268 |
| 37 | 269 if sizes: |
| 270 docinfo['numPages'] = int(getTextFromNode(sizes[0])) | |
| 31 | 271 else: |
| 272 docinfo['numPages'] = 0 | |
| 273 | |
| 274 return docinfo | |
| 32 | 275 |
| 29 | 276 |
| 35 | 277 def getIndexMeta(self, url): |
| 278 """returns dom of index.meta document at url""" | |
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279 num_retries = 3 |
| 35 | 280 dom = None |
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281 metaUrl = None |
| 35 | 282 if url.startswith("http://"): |
| 283 # real URL | |
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284 metaUrl = url |
| 35 | 285 else: |
| 286 # online path | |
| 287 server=self.digilibBaseUrl+"/servlet/Texter?fn=" | |
| 40 | 288 metaUrl=server+url.replace("/mpiwg/online","") |
| 35 | 289 if not metaUrl.endswith("index.meta"): |
| 290 metaUrl += "/index.meta" | |
| 46 | 291 print metaUrl |
| 40 | 292 for cnt in range(num_retries): |
| 35 | 293 try: |
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294 # patch dirk encoding fehler treten dann nicht mehr auf |
| 38 | 295 # dom = NonvalidatingReader.parseUri(metaUrl) |
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296 txt=urllib.urlopen(metaUrl).read() |
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297 dom = Parse(txt) |
| 40 | 298 break |
| 35 | 299 except: |
| 52 | 300 logger("ERROR documentViewer (getIndexMata)", logging.INFO,"%s (%s)"%sys.exc_info()[0:2]) |
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301 |
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302 if dom is None: |
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303 raise IOError("Unable to read index meta from %s"%(url)) |
| 35 | 304 |
| 305 return dom | |
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306 |
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307 def getPresentationInfoXML(self, url): |
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308 """returns dom of info.xml document at url""" |
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309 num_retries = 3 |
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310 dom = None |
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311 metaUrl = None |
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312 if url.startswith("http://"): |
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313 # real URL |
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314 metaUrl = url |
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315 else: |
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316 # online path |
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317 server=self.digilibBaseUrl+"/servlet/Texter?fn=" |
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318 metaUrl=server+url.replace("/mpiwg/online","") |
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319 |
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320 |
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321 for cnt in range(num_retries): |
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322 try: |
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323 # patch dirk encoding fehler treten dann nicht mehr auf |
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324 # dom = NonvalidatingReader.parseUri(metaUrl) |
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325 txt=urllib.urlopen(metaUrl).read() |
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326 dom = Parse(txt) |
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327 break |
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328 except: |
| 52 | 329 logger("ERROR documentViewer (getPresentationInfoXML)", logging.INFO,"%s (%s)"%sys.exc_info()[0:2]) |
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330 |
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331 if dom is None: |
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332 raise IOError("Unable to read infoXMLfrom %s"%(url)) |
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333 |
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334 return dom |
| 35 | 335 |
| 336 | |
| 70 | 337 def getAuthinfoFromIndexMeta(self,path,docinfo=None,dom=None,cut=0): |
| 35 | 338 """gets authorization info from the index.meta file at path or given by dom""" |
| 52 | 339 logger("documentViewer (getauthinfofromindexmeta)", logging.INFO,"path: %s"%(path)) |
| 32 | 340 |
| 341 access = None | |
| 342 | |
| 343 if docinfo is None: | |
| 344 docinfo = {} | |
| 345 | |
| 346 if dom is None: | |
| 70 | 347 for x in range(cut+1): |
| 348 path=getParentDir(path) | |
| 349 dom = self.getIndexMeta(path) | |
| 46 | 350 |
| 32 | 351 acctype = dom.xpath("//access-conditions/access/@type") |
| 352 if acctype and (len(acctype)>0): | |
| 353 access=acctype[0].value | |
| 35 | 354 if access in ['group', 'institution']: |
| 32 | 355 access = getTextFromNode(dom.xpath("//access-conditions/access/name")[0]).lower() |
| 356 | |
| 357 docinfo['accessType'] = access | |
| 358 return docinfo | |
| 29 | 359 |
| 32 | 360 |
| 70 | 361 def getBibinfoFromIndexMeta(self,path,docinfo=None,dom=None,cut=0): |
| 35 | 362 """gets bibliographical info from the index.meta file at path or given by dom""" |
| 59 | 363 logging.debug("documentViewer (getbibinfofromindexmeta) path: %s"%(path)) |
| 20 | 364 |
| 22 | 365 if docinfo is None: |
| 366 docinfo = {} | |
| 367 | |
| 368 if dom is None: | |
| 70 | 369 for x in range(cut+1): |
| 370 path=getParentDir(path) | |
| 371 dom = self.getIndexMeta(path) | |
| 35 | 372 |
| 59 | 373 # put in all raw bib fields as dict "bib" |
| 374 bib = dom.xpath("//bib/*") | |
| 375 if bib and len(bib)>0: | |
| 376 bibinfo = {} | |
| 377 for e in bib: | |
| 378 bibinfo[e.localName] = getTextFromNode(e) | |
| 379 docinfo['bib'] = bibinfo | |
| 380 | |
| 381 # extract some fields (author, title, year) according to their mapping | |
| 25 | 382 metaData=self.metadata.main.meta.bib |
| 383 bibtype=dom.xpath("//bib/@type") | |
| 384 if bibtype and (len(bibtype)>0): | |
| 385 bibtype=bibtype[0].value | |
| 20 | 386 else: |
| 25 | 387 bibtype="generic" |
| 59 | 388 |
| 25 | 389 bibtype=bibtype.replace("-"," ") # wrong typesiin index meta "-" instead of " " (not wrong! ROC) |
| 59 | 390 docinfo['bib_type'] = bibtype |
| 25 | 391 bibmap=metaData.generateMappingForType(bibtype) |
| 32 | 392 # if there is no mapping bibmap is empty (mapping sometimes has empty fields) |
| 31 | 393 if len(bibmap) > 0 and len(bibmap['author'][0]) > 0: |
| 63 | 394 try: |
| 395 docinfo['author']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['author'][0])[0]) | |
| 396 except: pass | |
| 397 try: | |
| 398 docinfo['title']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['title'][0])[0]) | |
| 399 except: pass | |
| 400 try: | |
| 401 docinfo['year']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['year'][0])[0]) | |
| 402 except: pass | |
| 59 | 403 logging.debug("documentViewer (getbibinfofromindexmeta) using mapping for %s"%bibtype) |
| 52 | 404 try: |
| 405 docinfo['lang']=getTextFromNode(dom.xpath("//bib/lang")[0]) | |
| 406 except: | |
| 407 docinfo['lang']='' | |
| 59 | 408 |
| 22 | 409 return docinfo |
| 410 | |
| 411 | |
| 32 | 412 def getDocinfoFromTextTool(self,url,dom=None,docinfo=None): |
| 22 | 413 """parse texttool tag in index meta""" |
| 52 | 414 logger("documentViewer (getdocinfofromtexttool)", logging.INFO,"url: %s"%(url)) |
| 22 | 415 if docinfo is None: |
| 416 docinfo = {} | |
| 417 | |
| 52 | 418 if docinfo.get('lang',None) is None: |
| 419 docinfo['lang']='' # default keine Sprache gesetzt | |
| 32 | 420 if dom is None: |
| 35 | 421 dom = self.getIndexMeta(url) |
| 32 | 422 |
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423 archivePath = None |
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424 archiveName = None |
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425 |
| 32 | 426 archiveNames=dom.xpath("//resource/name") |
| 427 if archiveNames and (len(archiveNames)>0): | |
| 428 archiveName=getTextFromNode(archiveNames[0]) | |
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429 else: |
| 52 | 430 logger("documentViewer (getdocinfofromtexttool)", logging.WARNING,"resource/name missing in: %s"%(url)) |
| 22 | 431 |
| 432 archivePaths=dom.xpath("//resource/archive-path") | |
| 433 if archivePaths and (len(archivePaths)>0): | |
| 434 archivePath=getTextFromNode(archivePaths[0]) | |
| 32 | 435 # clean up archive path |
| 436 if archivePath[0] != '/': | |
| 437 archivePath = '/' + archivePath | |
|
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438 if archiveName and (not archivePath.endswith(archiveName)): |
| 32 | 439 archivePath += "/" + archiveName |
| 22 | 440 else: |
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441 # try to get archive-path from url |
| 52 | 442 logger("documentViewer (getdocinfofromtexttool)", logging.WARNING,"resource/archive-path missing in: %s"%(url)) |
|
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443 if (not url.startswith('http')): |
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444 archivePath = url.replace('index.meta', '') |
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445 |
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446 if archivePath is None: |
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447 # we balk without archive-path |
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448 raise IOError("Missing archive-path (for text-tool) in %s"%(url)) |
| 22 | 449 |
| 35 | 450 imageDirs=dom.xpath("//texttool/image") |
| 451 if imageDirs and (len(imageDirs)>0): | |
| 452 imageDir=getTextFromNode(imageDirs[0]) | |
| 22 | 453 else: |
| 52 | 454 # we balk with no image tag / not necessary anymore because textmode is now standard |
| 455 #raise IOError("No text-tool info in %s"%(url)) | |
| 456 imageDir="" | |
| 457 docinfo['numPages']=1 # im moment einfach auf eins setzen, navigation ueber die thumbs geht natuerlich nicht | |
| 458 | |
| 459 docinfo['imagePath'] = "" # keine Bilder | |
| 460 docinfo['imageURL'] = "" | |
| 461 | |
| 35 | 462 if imageDir and archivePath: |
| 463 #print "image: ", imageDir, " archivepath: ", archivePath | |
| 464 imageDir=os.path.join(archivePath,imageDir) | |
| 465 imageDir=imageDir.replace("/mpiwg/online",'') | |
| 466 docinfo=self.getDirinfoFromDigilib(imageDir,docinfo=docinfo) | |
| 467 docinfo['imagePath'] = imageDir | |
| 468 docinfo['imageURL'] = self.digilibBaseUrl+"/servlet/Scaler?fn="+imageDir | |
| 22 | 469 |
| 470 viewerUrls=dom.xpath("//texttool/digiliburlprefix") | |
| 471 if viewerUrls and (len(viewerUrls)>0): | |
| 472 viewerUrl=getTextFromNode(viewerUrls[0]) | |
| 31 | 473 docinfo['viewerURL'] = viewerUrl |
| 22 | 474 |
| 475 textUrls=dom.xpath("//texttool/text") | |
| 476 if textUrls and (len(textUrls)>0): | |
| 477 textUrl=getTextFromNode(textUrls[0]) | |
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478 if urlparse.urlparse(textUrl)[0]=="": #keine url |
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479 textUrl=os.path.join(archivePath,textUrl) |
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480 # fix URLs starting with /mpiwg/online |
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481 if textUrl.startswith("/mpiwg/online"): |
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482 textUrl = textUrl.replace("/mpiwg/online",'',1) |
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483 |
| 31 | 484 docinfo['textURL'] = textUrl |
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485 |
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486 presentationUrls=dom.xpath("//texttool/presentation") |
| 52 | 487 docinfo = self.getBibinfoFromIndexMeta(url,docinfo=docinfo,dom=dom) # get info von bib tag |
| 488 | |
| 489 if presentationUrls and (len(presentationUrls)>0): # ueberschreibe diese durch presentation informationen | |
| 63 | 490 # presentation url ergiebt sich ersetzen von index.meta in der url der fuer die Metadaten |
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491 # durch den relativen Pfad auf die presentation infos |
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492 presentationUrl=url.replace('index.meta',getTextFromNode(presentationUrls[0])) |
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493 docinfo = self.getBibinfoFromTextToolPresentation(presentationUrl,docinfo=docinfo,dom=dom) |
| 52 | 494 |
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495 docinfo = self.getAuthinfoFromIndexMeta(url,docinfo=docinfo,dom=dom) # get access info |
| 22 | 496 return docinfo |
| 497 | |
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498 |
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499 def getBibinfoFromTextToolPresentation(self,url,docinfo=None,dom=None): |
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500 """gets the bibliographical information from the preseantion entry in texttools |
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501 """ |
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502 dom=self.getPresentationInfoXML(url) |
| 62 | 503 try: |
| 504 docinfo['author']=getTextFromNode(dom.xpath("//author")[0]) | |
| 505 except: | |
| 506 pass | |
| 507 try: | |
| 508 docinfo['title']=getTextFromNode(dom.xpath("//title")[0]) | |
| 509 except: | |
| 510 pass | |
| 511 try: | |
| 512 docinfo['year']=getTextFromNode(dom.xpath("//date")[0]) | |
| 513 except: | |
| 514 pass | |
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515 return docinfo |
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516 |
| 70 | 517 def getDocinfoFromImagePath(self,path,docinfo=None,cut=0): |
| 22 | 518 """path ist the path to the images it assumes that the index.meta file is one level higher.""" |
| 52 | 519 logger("documentViewer (getdocinfofromimagepath)", logging.INFO,"path: %s"%(path)) |
| 22 | 520 if docinfo is None: |
| 521 docinfo = {} | |
| 29 | 522 path=path.replace("/mpiwg/online","") |
| 22 | 523 docinfo['imagePath'] = path |
| 73 | 524 docinfo=self.getDirinfoFromDigilib(path,docinfo=docinfo,cut=cut) |
| 31 | 525 imageUrl=self.digilibBaseUrl+"/servlet/Scaler?fn="+path |
| 22 | 526 docinfo['imageURL'] = imageUrl |
| 527 | |
| 70 | 528 docinfo = self.getBibinfoFromIndexMeta(path,docinfo=docinfo,cut=cut) |
| 529 docinfo = self.getAuthinfoFromIndexMeta(path,docinfo=docinfo,cut=cut) | |
| 22 | 530 return docinfo |
| 20 | 531 |
| 22 | 532 |
| 533 def getDocinfo(self, mode, url): | |
| 534 """returns docinfo depending on mode""" | |
| 52 | 535 logger("documentViewer (getdocinfo)", logging.INFO,"mode: %s, url: %s"%(mode,url)) |
| 22 | 536 # look for cached docinfo in session |
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537 if self.REQUEST.SESSION.has_key('docinfo'): |
| 22 | 538 docinfo = self.REQUEST.SESSION['docinfo'] |
| 539 # check if its still current | |
| 540 if docinfo is not None and docinfo.get('mode') == mode and docinfo.get('url') == url: | |
| 52 | 541 logger("documentViewer (getdocinfo)", logging.INFO,"docinfo in session: %s"%docinfo) |
| 22 | 542 return docinfo |
| 543 # new docinfo | |
| 544 docinfo = {'mode': mode, 'url': url} | |
| 545 if mode=="texttool": #index.meta with texttool information | |
| 546 docinfo = self.getDocinfoFromTextTool(url, docinfo=docinfo) | |
| 547 elif mode=="imagepath": | |
| 548 docinfo = self.getDocinfoFromImagePath(url, docinfo=docinfo) | |
| 70 | 549 elif mode=="filepath": |
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550 docinfo = self.getDocinfoFromImagePath(url, docinfo=docinfo,cut=2) |
| 22 | 551 else: |
| 52 | 552 logger("documentViewer (getdocinfo)", logging.ERROR,"unknown mode!") |
| 37 | 553 raise ValueError("Unknown mode %s"%(mode)) |
| 554 | |
| 52 | 555 logger("documentViewer (getdocinfo)", logging.INFO,"docinfo: %s"%docinfo) |
| 22 | 556 self.REQUEST.SESSION['docinfo'] = docinfo |
| 557 return docinfo | |
| 20 | 558 |
| 559 | |
| 25 | 560 def getPageinfo(self, current, start=None, rows=None, cols=None, docinfo=None): |
| 22 | 561 """returns pageinfo with the given parameters""" |
| 562 pageinfo = {} | |
| 25 | 563 current = getInt(current) |
| 564 pageinfo['current'] = current | |
| 565 rows = int(rows or self.thumbrows) | |
| 566 pageinfo['rows'] = rows | |
| 567 cols = int(cols or self.thumbcols) | |
| 568 pageinfo['cols'] = cols | |
| 569 grpsize = cols * rows | |
| 570 pageinfo['groupsize'] = grpsize | |
| 61 | 571 start = getInt(start, default=(math.ceil(float(current)/float(grpsize))*grpsize-(grpsize-1))) |
| 572 # int(current / grpsize) * grpsize +1)) | |
| 22 | 573 pageinfo['start'] = start |
| 25 | 574 pageinfo['end'] = start + grpsize |
| 575 if docinfo is not None: | |
| 576 np = int(docinfo['numPages']) | |
| 577 pageinfo['end'] = min(pageinfo['end'], np) | |
| 578 pageinfo['numgroups'] = int(np / grpsize) | |
| 579 if np % grpsize > 0: | |
| 580 pageinfo['numgroups'] += 1 | |
| 581 | |
| 22 | 582 return pageinfo |
| 583 | |
| 0 | 584 def text(self,mode,url,pn): |
| 585 """give text""" | |
| 586 if mode=="texttool": #index.meta with texttool information | |
| 587 (viewerUrl,imagepath,textpath)=parseUrlTextTool(url) | |
| 588 | |
| 35 | 589 #print textpath |
| 0 | 590 try: |
| 591 dom = NonvalidatingReader.parseUri(textpath) | |
| 592 except: | |
| 593 return None | |
| 594 | |
| 595 list=[] | |
| 596 nodes=dom.xpath("//pb") | |
| 597 | |
| 598 node=nodes[int(pn)-1] | |
| 599 | |
| 600 p=node | |
| 601 | |
| 602 while p.tagName!="p": | |
| 603 p=p.parentNode | |
| 604 | |
| 605 | |
| 606 endNode=nodes[int(pn)] | |
| 607 | |
| 608 | |
| 609 e=endNode | |
| 610 | |
| 611 while e.tagName!="p": | |
| 612 e=e.parentNode | |
| 613 | |
| 614 | |
| 615 next=node.parentNode | |
| 616 | |
| 617 #sammle s | |
| 618 while next and (next!=endNode.parentNode): | |
| 619 list.append(next) | |
| 620 next=next.nextSibling | |
| 621 list.append(endNode.parentNode) | |
| 622 | |
| 623 if p==e:# beide im selben paragraphen | |
| 20 | 624 pass |
| 625 # else: | |
| 626 # next=p | |
| 627 # while next!=e: | |
| 628 # print next,e | |
| 629 # list.append(next) | |
| 630 # next=next.nextSibling | |
| 631 # | |
| 632 # for x in list: | |
| 633 # PrettyPrint(x) | |
| 634 # | |
| 635 # return list | |
| 22 | 636 # |
| 637 | |
| 638 def findDigilibUrl(self): | |
| 639 """try to get the digilib URL from zogilib""" | |
| 640 url = self.imageViewerUrl[:-1] + "/getScalerUrl" | |
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641 #print urlparse.urlparse(url)[0] |
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642 #print urlparse.urljoin(self.absolute_url(),url) |
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643 logging.info("finddigiliburl: %s"%urlparse.urlparse(url)[0]) |
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644 logging.info("finddigiliburl: %s"%urlparse.urljoin(self.absolute_url(),url)) |
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645 |
| 22 | 646 try: |
| 46 | 647 if urlparse.urlparse(url)[0]=='': #relative path |
| 648 url=urlparse.urljoin(self.absolute_url()+"/",url) | |
| 649 | |
| 22 | 650 scaler = urlopen(url).read() |
| 651 return scaler.replace("/servlet/Scaler?", "") | |
| 652 except: | |
| 653 return None | |
| 654 | |
| 46 | 655 def changeDocumentViewer(self,imageViewerUrl,textViewerUrl,title="",digilibBaseUrl=None,thumbrows=2,thumbcols=10,authgroups='mpiwg',RESPONSE=None): |
| 22 | 656 """init document viewer""" |
| 657 self.title=title | |
| 658 self.imageViewerUrl=imageViewerUrl | |
| 46 | 659 self.textViewerUrl=textViewerUrl |
| 22 | 660 self.digilibBaseUrl = digilibBaseUrl |
| 25 | 661 self.thumbrows = thumbrows |
| 662 self.thumbcols = thumbcols | |
| 32 | 663 self.authgroups = [s.strip().lower() for s in authgroups.split(',')] |
| 22 | 664 if RESPONSE is not None: |
| 665 RESPONSE.redirect('manage_main') | |
| 0 | 666 |
| 667 | |
| 668 | |
| 669 | |
| 670 # security.declareProtected('View management screens','renameImageForm') | |
| 671 | |
| 672 def manage_AddDocumentViewerForm(self): | |
| 673 """add the viewer form""" | |
| 22 | 674 pt=PageTemplateFile('zpt/addDocumentViewer', globals()).__of__(self) |
| 0 | 675 return pt() |
| 676 | |
| 46 | 677 def manage_AddDocumentViewer(self,id,imageViewerUrl="",textViewerUrl="",title="",RESPONSE=None): |
| 0 | 678 """add the viewer""" |
| 46 | 679 newObj=documentViewer(id,imageViewerUrl,title=title,textViewerUrl=textViewerUrl) |
| 0 | 680 self._setObject(id,newObj) |
| 681 | |
| 682 if RESPONSE is not None: | |
| 683 RESPONSE.redirect('manage_main') | |
| 22 | 684 |
| 685 | |
| 686 ## | |
| 687 ## DocumentViewerTemplate class | |
| 688 ## | |
| 689 class DocumentViewerTemplate(ZopePageTemplate): | |
| 690 """Template for document viewer""" | |
| 691 meta_type="DocumentViewer Template" | |
| 692 | |
| 693 | |
| 694 def manage_addDocumentViewerTemplateForm(self): | |
| 695 """Form for adding""" | |
| 696 pt=PageTemplateFile('zpt/addDocumentViewerTemplate', globals()).__of__(self) | |
| 697 return pt() | |
| 698 | |
| 699 def manage_addDocumentViewerTemplate(self, id='viewer_main', title=None, text=None, | |
| 700 REQUEST=None, submit=None): | |
| 701 "Add a Page Template with optional file content." | |
| 702 | |
| 703 self._setObject(id, DocumentViewerTemplate(id)) | |
| 704 ob = getattr(self, id) | |
|
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705 txt=file(os.path.join(package_home(globals()),'zpt/viewer_main.zpt'),'r').read() |
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706 logging.info("txt %s:"%txt) |
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707 ob.pt_edit(txt,"text/html") |
| 22 | 708 if title: |
| 709 ob.pt_setTitle(title) | |
| 710 try: | |
| 711 u = self.DestinationURL() | |
| 712 except AttributeError: | |
| 713 u = REQUEST['URL1'] | |
| 714 | |
| 715 u = "%s/%s" % (u, urllib.quote(id)) | |
| 716 REQUEST.RESPONSE.redirect(u+'/manage_main') | |
| 717 return '' | |
| 718 | |
| 719 | |
| 41 | 720 |