MoinMoin: attachment:gallery2image-1.6.3-17.py of ActionMarket

   1 # -*- coding: iso-8859-1 -*-
   2 """
   3     MoinMoin - gallery2Image Action macro
   4 
   5     PURPOSE::
   6         This action macro is used to rotate, move to bak or to slide through the images from Gallery2
   7 
   8     CALLING SEQUENCE::
   9         called by Gallery2 POST Method
  10 
  11     PROCEDURE::
  12         see Gallery2
  13 
  14         Please remove the version number from this file
  15 
  16     RESTRICTIONS::
  17         spaces in file names are not supported. I don't know how to escape them right.	Probaly this does work in 1.3.5
  18         
  19         slide show is best used with fastcgi if you have many images
  20 
  21     MODIFICATION HISTORY::
  22         Version 1.3.3.-1
  23         @copyright: 2005 by Reimar Bauer (R.Bauer@fz-juelich.de)
  24         @license: GNU GPL, see COPYING for details.
  25         2005-06-24: 1.3.3.-2 feature reqeust of CraigJohnson added 
  26                              os.path.join used to join platform independent pathes 
  27                              os.unlink removed to get it more platform independend
  28         2005-08-06: 1.3.5-3 RB VS mode added 
  29                                by one step back or forward could be toggled through the selected slides
  30                                and the first and last one could be selected too
  31         2005-08-07 1.3.5-4 RB bug fixed for cgi-bin call. formatting of tables adjusted                    
  32         2005-08-13 1.3.5-5 RB code change from GET to POST
  33                               forms instead of link
  34                               toggle between webnail and image by click on image
  35                               alias (description) and exif_date added
  36                               this version needs Gallery2-1.3.5-7.py
  37         2005-08-31 1.3.5-6 RB html code changed into a function :-)
  38                               some html bugs fixed too
  39                               instead of button text now images used (disabled buttons are grey color coded)
  40                               back link to callers page
  41                               whole page inserted into the common wiki page    
  42                               code clean up.       
  43         2005-09-01 1.3.5-7 RB image paths changed to absoulte url
  44         2005-10-29 1.3.5-8 RB the code of VS rewritten
  45                               for the slideshow changed to a javascript player learned from Ricocheting
  46                               image preloading for webnails and fullimages because webspeed could be slow
  47                               slide show is really fast by this
  48                               default duration is 1000msec
  49                               (runs under 1.5.0 too)
  50         2005-11-01 1.3.5-9 RB output buttons changed to <SPAN id> text 
  51                               to all javascript functions added the prefix gallery2
  52                               some fixes on javascript code
  53                               controls separated.
  54        2005-11-12 1.3.5-10 RB alias text is displayed by innerHTML                       
  55                               bug fixed ' is allowed to use in alias text 
  56                               wish of grey out buttons for first or last slide button added 
  57                               span id's changed to a prefix of gallery2_
  58       
  59        Version 1.5.4-13  2006-08-02 based on 1.3.5-10                    
  60        FlorianFesti: changed some calls to more readable code                           
  61        ReimarBauer:  PEP 8
  62                      fixed of selecting an index of a scalar value
  63                      switch of release number to MoinMoin Version 1.5
  64                      duplicated call of html tag body and head removed
  65                      optional static path
  66                      table style changed
  67                      
  68        2006-08-11 1.5.4-14 RB bug fixed webf and thumbf changed to tmp. prefix always                
  69 
  70        2006-08-11 1.6.0-15 RB ported to 1.6.0 alpha version
  71        2008-02-06 1.6.0-16 RB bug fix for url_prefix_static  
  72        2008-05-20 1.6.3-17 RB bug fix request.getQualifiedURL ends with / and the file url starts with / so we don't need an additional / separartor
  73 
  74 """
  75 Dependencies = []
  76 import os, Image, StringIO, string, sys
  77 from MoinMoin import config, wikiutil, version
  78 from MoinMoin.PageEditor import PageEditor
  79 from MoinMoin import user, util
  80 from MoinMoin.Page import Page
  81 from MoinMoin.action import AttachFile
  82 from MoinMoin.formatter.text_html import Formatter
  83 from MoinMoin.parser import text_moin_wiki
  84 from MoinMoin.util import filesys
  85 
  86 def get_path_url(request, pagename, attachment_path):
  87     url_prefix = request.cfg.url_prefix_static
  88     url_prefix = url_prefix.replace('/','')
  89     
  90     if hasattr(request.cfg, 'document_root'):
  91 
  92         static_path = "%(dir)s/tmp/Gallery2%(wiki_name)s/%(pagename)s" % {
  93               "wiki_name": request.getScriptname(),
  94               "pagename": pagename,
  95               "dir": request.cfg.document_root,
  96               }
  97         static_url = "%(prefix)s/tmp/Gallery2%(wiki_name)s/%(pagename)s/" % {
  98               "prefix": url_prefix,
  99               "wiki_name": request.getScriptname(),
 100               "pagename": pagename,
 101               }
 102     else:
 103         static_path = attachment_path
 104         static_url = AttachFile.getAttachUrl(pagename, '', request)
 105 
 106     static_url = string.replace(static_url,'//','/')  
 107     
 108     return static_path, static_url
 109 
 110 def option_list(this_image, pagename, text, request):
 111     txt = ''
 112 
 113     for s in text:
 114         name = AttachFile.getAttachUrl(pagename, s, request)
 115         if name == this_image:
 116             txt += '<option selected value="%(name)s">%(alias)s' % {
 117                 "name": this_image,
 118                 "alias": s.replace('tmp.','')}
 119         else:
 120             txt += '<option value="%(name)s">%(alias)s' % {
 121                 "name": this_image,
 122                 "alias": s.replace('tmp.','')}
 123 
 124     return txt
 125 
 126 def to_htmltext(text):
 127 
 128     if text.find ("'"):
 129         text = text.split("'")
 130         text = '&#39;'.join(text)
 131 
 132     return text
 133 
 134 def html_js(this_image, counter):
 135    html = '''
 136 <SCRIPT LANGUAGE="JavaScript">
 137 <!-- Original:  Ricocheting (ricocheting@hotmail.com) -->
 138 <!-- Web Site:  http://www.ricocheting.com -->
 139 
 140 <!-- This script and many more are available free online at -->
 141 <!-- The JavaScript Source!! http://javascript.internet.com -->
 142 
 143 <!-- Modifications by Reimar Bauer <R.Bauer@fz-juelich.de> -->
 144 <!-- 2005-10-29 -->
 145 <!-- Many thanks to Ricocheting, it is much easier as my own one. I like it -->
 146 <!-- Some code added and replaced for the MoinMoin:Gallery2 parser-->
 147 
 148 
 149 <!-- Begin 
 150 
 151 var rotate_delay = 1000; // delay in milliseconds (5000 = 5 secs)
 152 var current = %(counter)s;
 153 var theImages = new Array();
 154 var thewebImages =  new Array();
 155 var thefullImages =  new Array();
 156 
 157 function gallery2preload() {
 158    var list = document.slideform.webnail_list.value;
 159    var value = list.split(","); 
 160    var n = value.length;
 161    
 162    for (i = 0; i <  n-1; i++){
 163        theImages[i] = new Image();
 164        theImages[i].src = value[i];
 165    }   
 166    thewebImages = theImages;
 167    
 168    var list = document.slideform.full_list.value;
 169    var value = list.split(","); 
 170    var n = value.length;
 171    
 172    for (i = 0; i <  n-1; i++){
 173        thefullImages[i] = new Image();
 174        thefullImages[i].src = value[i];
 175    }
 176   
 177 } 
 178 
 179 function gallery2getserver() {
 180      var value = document.URL;
 181      var text = value.split("/");
 182      return text[0]+'//'+text[2];
 183 }     
 184 
 185 function gallery2preload_finished() {
 186     var url = gallery2getserver()+'/wiki/img/star_on.png';
 187     return url;
 188 }
 189 
 190 function gallery2add_comments() {
 191   var alias_text = document.slideform.alias.value;
 192   var exif_date_text = document.slideform.exif_date.value;
 193   var index = document.slideform.slide.selectedIndex;
 194   var alias = alias_text.split("!,!");
 195   var exif = exif_date_text.split(",");
 196   document.getElementById("gallery2_alias_text").innerHTML = alias[index];
 197   document.getElementById("gallery2_exif_date_text").innerHTML = exif[index];
 198 }
 199 
 200 function gallery2next_slide() {
 201    if (document.slideform.slide[current+1]) {
 202       document.images.show.src = theImages[current+1].src;
 203       document.slideform.slide.selectedIndex = ++current;
 204       gallery2add_comments();
 205    }
 206    else gallery2first_slide();
 207    document.getElementById("gallery2_first_slide").innerHTML = '<img src="'+gallery2getserver()+'/wiki/img/first.png" onclick="gallery2first_slide();" name="fs"  title="first slide" >';
 208    document.getElementById("gallery2_last_slide").innerHTML = '<img src="'+gallery2getserver()+'/wiki/img/last.png" onclick="gallery2last_slide();" name="fs"  title="last slide" >';
 209 }
 210 function gallery2previous_slide() {
 211    if (current-1 >= 0) {
 212       document.images.show.src = theImages[current-1].src;  
 213       document.slideform.slide.selectedIndex = --current;
 214       gallery2add_comments(); 
 215      
 216    }
 217    else gallery2last_slide();
 218    
 219    document.getElementById("gallery2_first_slide").innerHTML = '<img src="'+gallery2getserver()+'/wiki/img/first.png" onclick="gallery2first_slide();" name="fs"  title="first slide" >';
 220    document.getElementById("gallery2_last_slide").innerHTML = '<img src="'+gallery2getserver()+'/wiki/img/last.png" onclick="gallery2last_slide();" name="fs"  title="last slide" >';
 221 }
 222 function gallery2first_slide() {
 223    current = 0;
 224    document.images.show.src = theImages[0].src;  
 225    document.slideform.slide.selectedIndex = 0;
 226    gallery2add_comments();
 227    document.getElementById("gallery2_first_slide").innerHTML = '<img src="'+gallery2getserver()+'/wiki/img/first_disabled.png" title="first slide" >';
 228    document.getElementById("gallery2_last_slide").innerHTML = '<img src="'+gallery2getserver()+'/wiki/img/last.png" onclick="gallery2last_slide();" name="fs"  title="last slide" >';
 229 }
 230 function gallery2last_slide() {
 231    current = document.slideform.slide.length-1;
 232    document.images.show.src = theImages[current].src; 
 233    document.slideform.slide.selectedIndex = current;
 234    gallery2add_comments();
 235    document.getElementById("gallery2_first_slide").innerHTML = '<img src="'+gallery2getserver()+'/wiki/img/first.png" onclick="gallery2first_slide();" name="fs"  title="first slide" >';
 236    document.getElementById("gallery2_last_slide").innerHTML = '<img src="'+gallery2getserver()+'/wiki/img/last_disabled.png"  title="last slide" >';
 237 }
 238 
 239 function gallery2switch_images() {
 240    if (document.slideform.flag.value == "webnail") {
 241       var list = document.slideform.full_list.value;
 242       var name = document.slideform.full_name.value;
 243       document.slideform.flag.value = "fullscreen";
 244       theImages = thefullImages;
 245    } else {
 246      var list = document.slideform.webnail_list.value;
 247      var name = document.slideform.webnail_name.value;
 248      document.slideform.flag.value = "webnail";
 249      theImages = thewebImages;
 250    }
 251 
 252    var value = list.split(",");
 253    var alias = name.split(",");
 254 
 255    var n = value.length;
 256 
 257    for (i = 0; i <  n-1; i++){
 258       var al = alias[i];
 259       var al = al.replace("tmp.","");
 260       document.slideform.slide[i].value=value[i];
 261       document.slideform.slide[i].text=al;
 262    }
 263    document.images.show.src = theImages[current].src; 
 264 }
 265 
 266 function gallery2ap(text) {
 267    document.slideform.slidebutton.value = (text == "Stop") ? "Start" : "Stop";
 268    gallery2rotate();
 269 }
 270 
 271 function gallery2change() {
 272    current = document.slideform.slide.selectedIndex;
 273    document.images.show.src = theImages[current].src; 
 274    gallery2add_comments(); 
 275    document.getElementById("gallery2_first_slide").innerHTML = '<img src="'+gallery2getserver()+'/wiki/img/first.png" onclick="gallery2first_slide();" name="fs"  title="first slide" >';
 276    document.getElementById("gallery2_last_slide").innerHTML = '<img src="'+gallery2getserver()+'/wiki/img/last.png" onclick="gallery2last_slide();" name="fs"  title="last slide" >';
 277 }
 278 
 279 function gallery2rotate() {
 280    if (document.slideform.slidebutton.value == "Stop") {
 281       current = (current == document.slideform.slide.length-1) ? 0 : current+1;
 282       document.images.show.src = theImages[current].src; 
 283       document.slideform.slide.selectedIndex = current;
 284       gallery2add_comments(); 
 285       document.getElementById("gallery2_first_slide").innerHTML = '<img src="'+gallery2getserver()+'/wiki/img/first.png" onclick="gallery2first_slide();" name="fs"  title="first slide" >';
 286       document.getElementById("gallery2_last_slide").innerHTML = '<img src="'+gallery2getserver()+'/wiki/img/last.png" onclick="gallery2last_slide();" name="fs"  title="last slide" >';
 287       rotate_delay = document.slideform.duration.value;
 288       window.setTimeout("gallery2rotate()", rotate_delay);
 289    }
 290 }
 291 //  End -->
 292 </script> ''' % {
 293   'counter': counter}
 294 
 295    return html
 296 
 297 def html_show_image(request, pagename, url_wiki_page, full, alias, exif_date, target, idx):
 298     attachment_path = AttachFile.getAttachDir(request, pagename)
 299     static_path, static_url = get_path_url(request, pagename, attachment_path )
 300 
 301     option_webnail = option_list(static_url + target[idx], pagename, target, request)
 302     static_path, static_url = get_path_url(request, pagename, attachment_path)
 303     
 304     inner_table_style = ' style="border-style:none; margin:10px;"'
 305     
 306     this_full_list = ''
 307     for s in full:
 308         this_full_list += AttachFile.getAttachUrl(pagename, s, request) + ','
 309 
 310     this_webnail_list = ''
 311     for s in target:
 312         this_webnail_list += static_url + s + ','
 313 
 314             
 315     html = '''
 316 <form name=slideform method="POST">
 317    <input type="hidden" name="full_list" value='%(this_full_list)s'>
 318    <input type="hidden" name="full_name" value='%(this_full_name)s'>
 319    <input type="hidden" name="flag" value="webnail">
 320    <input type="hidden" name="webnail_list" value='%(this_webnail_list)s'>
 321    <input type="hidden" name="webnail_name" value='%(this_webnail_name)s'>
 322    <input type="hidden" name="alias" value='%(this_alias_list)s'>
 323    <input type="hidden" name="exif_date" value='%(this_exif_date_list)s'>
 324    <BR>
 325    <table%(tablestyle)s>
 326     <tr>
 327      <td style="border-style:none" bgcolor="#C0C0C0"><strong>Slide: </strong></td>
 328      <td style="border-style:none" bgcolor="#C0C0C0">
 329        <select name="slide" onChange="gallery2change();" >
 330          %(option_webnails)s
 331        </select>
 332      </td>
 333      <td style="border-style:none" bgcolor="#C0C0C0">
 334       <input type="button" name="slidebutton" onClick="gallery2ap(this.value);" value="Start" title="AutoPlay">
 335      </td>
 336      <td style="border-style:none" bgcolor="#C0C0C0">
 337       <strong>Duration: </strong>
 338      </td>
 339      <td style="border-style:none" bgcolor="#C0C0C0">
 340       <input type="input" name="duration"  value="1000" size="5" title="Duration">
 341      </td>
 342    </tr>
 343    <tr>
 344      <td style="border-style:none" colspan="5" align="center" bgcolor="#C0C0C0">
 345      <SPAN id="gallery2_first_slide"><img src="%(server)s/wiki/img/first.png" onclick="gallery2first_slide();" name="fs"  title="first slide" ></SPAN>
 346      <img src="%(server)s/wiki/img/previous.png" onclick="gallery2previous_slide();"  title="previous slide" >
 347      <img src="%(server)s/wiki/img/next.png" onClick="gallery2next_slide();"  title="next slide" >
 348      <SPAN id="gallery2_last_slide"><img src="%(server)s/wiki/img/last.png" onClick="gallery2last_slide();"  title="last slide" ></SPAN>
 349      <input type="image" value="submit" src="%(server)s/wiki/img/back.png" title="return to %(pagename)s">
 350      </td>
 351    </tr>
 352    <tr>
 353     <td style="border-style:none" colspan="5" align="center" bgcolor="#C0C0C0">
 354      <img src="%(server)s%(this_image)s" name="show" onClick="gallery2switch_images();">
 355     </td>
 356    </tr>
 357    <tr valign="center">
 358     <td style="border-style:none"colspan="5" bgcolor="#C0C0C0" align="left">
 359      <P><SPAN id="gallery2_alias_text">%(this_alias_text)s</SPAN></P>
 360     </td></tr>
 361    <tr valign="center">
 362     <td style="border-style:none" colspan="5" bgcolor="#C0C0C0" align="left">  
 363      <P><SPAN id="gallery2_exif_date_text">%(this_exif_date_text)s</SPAN></P>
 364     </td>
 365   </tr>
 366   <tr>
 367    <td style="border-style:none" colspan="5" bgcolor="#C0C0C0" align="left" >  
 368     <P><SPAN id="gallery2_status">%(comment)s</SPAN></P> 
 369    </td>
 370   
 371   </tr>
 372 </table>
 373 </form>
 374 ''' % {
 375 "server": request.getQualifiedURL(),
 376 "base_url": request.getScriptname(),
 377 "this_full_list": this_full_list,
 378 "this_full_name": string.join(full, ','),
 379 "this_webnail_list": this_webnail_list,
 380 "this_webnail_name": string.join(target, ','),
 381 "this_target": full[idx],
 382 
 383 "this_alias_text": to_htmltext(alias[idx]),
 384 "this_alias_list": to_htmltext(string.join(alias, '!,!')),
 385 "this_exif_date_text": exif_date[idx],
 386 "this_exif_date_list": string.join(exif_date, ','),
 387 
 388 "this_image": static_url + target[idx], # AttachFile.getAttachUrl(pagename, target[idx], request),
 389 "url_wiki_page": url_wiki_page,
 390 "comment": "Click on the image for the next higher/lower resolution",
 391 "pagename": pagename,
 392 "tablestyle": inner_table_style,
 393 "option_webnails": option_webnail,
 394 
 395 }
 396 
 397     return html
 398     
 399 
 400 def to_wikiname(request, text):
 401 
 402     #taken from test_parser_wiki
 403     page = Page(request, 'ThisPageDoesNotExistsAndWillNeverBeReally')
 404     page.formatter = Formatter(request)
 405     request.formatter = page.formatter
 406     page.formatter.setPage(page)
 407     page.hilite_re = None
 408 
 409     out = StringIO.StringIO()
 410     request.redirect(out)
 411     wikiizer = wiki.Parser(text.strip(), request)
 412     wikiizer.format(page.formatter)
 413     result = out.getvalue()
 414     request.redirect()
 415     del out
 416 
 417     if version.release < '1.5.0':
 418        return result.strip()
 419     else:
 420        result = result.strip()
 421        result = result.replace('<a id="line-1"></a><p>', '')
 422        result = result.replace('</p>', '')
 423        return result
 424 
 425 
 426 action_name = __name__.split('.')[-1]
 427 
 428 def execute(pagename, request):
 429     """ Main dispatcher for the 'Gallery' action.
 430     """
 431     _ = request.getText
 432 
 433     request.formatter = Formatter(request)
 434     attachment_path = AttachFile.getAttachDir(request, pagename)
 435     command = request.form.get('do', ['none'])[0]
 436 
 437     if command == 'VS':
 438         web = {}
 439         images = request.form.get('target', [''])[0]
 440         images = images.split(',')
 441         target = images[0]
 442         images = (images[1:])
 443 
 444         full_image = request.form.get('full', [''])[0]
 445         full_image = full_image.split(',')
 446         full_target = full_image[0]
 447         full_image = (full_image[1:])
 448 
 449         all_description = request.form.get('alias', [''])[0]
 450         all_description = all_description.split('!,!')
 451         this_description = all_description[0]
 452         all_description = (all_description[1:])
 453 
 454         all_exif_date = request.form.get('exif_date', [''])[0]
 455         all_exif_date = all_exif_date.split(',')
 456         this_exif_date = all_exif_date[0]
 457         all_exif_date = (all_exif_date[1:])
 458 
 459         # XXX Check that all lists have same length
 460 
 461         z = 0
 462         for img in images:
 463             if target == img:
 464                idx = z
 465 
 466             z += 1
 467         n = len(images)
 468 
 469         ######## url_wiki_page #############################################################
 470         text = pagename
 471         url = pagename
 472         url_wiki_page = wikiutil.link_tag(request, url, text=text,
 473                                           formatter=request.formatter)
 474 
 475         ############################################################################			 
 476 
 477         attachment_path = AttachFile.getAttachDir(request, pagename)
 478 
 479         static_path, static_url = get_path_url(request, pagename, attachment_path )
 480 
 481         web['src'] = static_url+target #AttachFile.getAttachUrl(pagename, target, request)
 482         web['title'] = target
 483         #web['width']="1024"
 484 
 485         image_link = request.formatter.image(**web)
 486 
 487         request.http_headers()
 488 
 489         request.setContentLanguage(request.lang)
 490 
 491         request.theme.send_title(pagename,
 492                                  pagename=pagename,
 493                                  body_onload="gallery2preload();",
 494                                  html_head=html_js(AttachFile.getAttachUrl(pagename, target, request), idx))
 495 
 496         request.write(request.formatter.startContent("content"))
 497         html = html_show_image(request, pagename, url_wiki_page, full_image, all_description, all_exif_date, images, idx)
 498         request.write(html)
 499         request.write(request.formatter.endContent())
 500         request.theme.send_footer(pagename)
 501         msg = None
 502 
 503     elif command == 'PS':
 504         msg = None
 505 
 506     elif command == 'BS':
 507         msg = "gone back" #None
 508 
 509     elif request.user.may.delete(pagename):
 510        # only users which are allowed to delete should use this tool
 511 
 512         target = request.form.get('target', [''])[0]
 513         file, ext = os.path.splitext(target)
 514 
 515         if ext == '.gif'  or  ext == '.png':
 516             img_type = 'PNG'
 517             thumbfile = "tmp.thumbnail_%(file)s.png" % {"file": file}
 518             webnail = "tmp.webnail_%(file)s.png" % {"file": file}
 519         else:
 520             img_type = "JPEG"
 521             thumbfile = "tmp.thumbnail_%(file)s.jpg"  % {"file": file}
 522             webnail = "tmp.webnail_%(file)s.jpg"  % {"file": file}
 523 
 524         static_path, static_url = get_path_url(request, pagename, attachment_path )
 525 
 526         thumb = os.path.join(static_path, thumbfile)
 527         webf = os.path.join(static_path, webnail)
 528         infile = os.path.join(attachment_path, target)
 529 
 530         msg = None
 531         if version.release < '1.5.0':
 532             if action_name in request.cfg.excluded_actions:
 533                 msg = _('File attachments are not allowed in this wiki!')
 534 
 535         elif command == 'RM':
 536             if os.path.exists(infile + '.bak'):
 537                os.unlink("%(file)s.bak" % {"file": infile})
 538             filesys.rename(infile, "%(file)s.bak" % {"file": infile})
 539             msg = _('%(target)s deleted, backup in place' % {
 540                   'target':target})
 541 
 542         elif command == 'RL':
 543             im = Image.open(infile)
 544             os.remove(infile)
 545             im.rotate(90).save(infile, img_type)
 546             nim = Image.open(infile)
 547             nim.thumbnail((640, 640), Image.ANTIALIAS)
 548             os.remove(webf)
 549             nim.save(webf, img_type)
 550             nim.thumbnail((128, 128), Image.ANTIALIAS)
 551             os.remove(thumb)
 552             nim.save(thumb, img_type)
 553             msg = _('%(target)s rotated to left 90 degrees' % {
 554                   'target':target})
 555 
 556         elif command == 'RR':
 557             im = Image.open(infile)
 558             os.remove(infile)
 559             im.rotate(270).save(infile, img_type)
 560 
 561             nim = Image.open(infile)
 562             nim.thumbnail((640, 640), Image.ANTIALIAS)
 563             os.remove(webf)
 564             nim.save(webf, img_type)
 565             nim.thumbnail((128, 128), Image.ANTIALIAS)
 566             os.remove(thumb)
 567             nim.save(thumb, img_type)
 568             msg = _('%(target)s rotated to right 90 degrees' % {
 569                   'target':target})
 570         else:
 571             msg = _('action not implemented: %s') % (command, )
 572     else:
 573         msg = _('Your are not allowed to change images on this page: %s') % (pagename,)
 574 
 575     if msg:
 576         AttachFile.error_msg(pagename, request, msg)
 577 
 578     return()