[wiki-etch] suppression
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Antoine Durand-Gasselin
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# -*- coding: iso-8859-1 -*-
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"""
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MoinMoin - ImageLink Macro
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PURPOSE:
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This macro is used to set a link as WikiName for an attached image. Optional the size of the
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image could be adjusted. If no WikiName is given the attachment is linked to the image itselfs.
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CALLING SEQUENCE:
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[[ImageLink(attachment|URL,[WikiName|URL],[width=width,[height=heigt]])]]
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INPUTS:
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attachment:image name of attachment or the URL to an image
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OPTIONAL INPUTS:
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WikiName: the page to set the link to or the URL to link to
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KEYWORD PARAMETERS:
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width: width of the embedded image
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height: height of the embedded image
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EXAMPLE:
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[[ImageLink(plot.png,FrontPage,width=20,height=20)]]
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[[ImageLink(plot.png,FrontPage,height=20)]]
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[[ImageLink(plot.png,FrontPage)]]
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[[ImageLink(plot.png,width=20,height=20)]]
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[[ImageLink(plot.png,width=20)]]
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[[ImageLink(plot.png)]]
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[[ImageLink(http://localhost/wiki/modern/img/to_slide.png,http://localhost/StartSeite,width=50)]]
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[[ImageLink(http://localhost/wiki/modern/img/to_slide.png,FrontPage,width=50)]]
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[[ImageLink(plot.png,http://localhost/StartSeite,width=50)]]
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[[ImageLink(http://localhost/wiki/modern/img/to_slide.png)]]
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[[ImageLink(http://localhost/wiki/modern/img/to_slide.png,alt=whateveryouwant)]]
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PROCEDURE:
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This routine requires attachment enabled. If the attachment isn't downloaded at all
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the attachment line is shown.
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If you give only one image size argument e.g. width only the other one is calculated
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It must be in "MoinMoin/macro"
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Please remove the version number from the file name!
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From JeffKunce ImageLink.py I have copied _is_URL to this routine. I have no better idea too.
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HISTORY:
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The first published version on MoinMoin I know of ImageLink was written by JeffKunce in 2001.
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MODIFICATION HISTORY:
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@copyright: 2004 by Reimar Bauer (R.Bauer@fz-juelich.de)
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@license: GNU GPL, see COPYING for details.
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Marcin Zalewski:
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Some things that were causing problems on my wiki are changed
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(wikiutil.link_tag and macro.formatter.pagelink implemented)
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Marcin Zalewski:
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Added title attribute to the created link. One could generalize that to
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add arbitrary attributes.
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One could also add class attributes to <a> and/or
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<img> elements. I do not see the need for such modifications. If however this is
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to be done in the future one would need to add 'html_class' key to the kw dictionary
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with a corresponding value to add class to <img> element. To add class to <a> element
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one needs to add 'css_class' key with a corresponding value to the dictionary passed to
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pagelink call.
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Reimar Bauer:
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2004-12-23 Adopted to MoinMoin Version 1.3.1-1
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2004-12-23 SYNTAX CHANGE Version 1.3.1-2
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width and height and probably other keywords must be called as keywords (e.g. height=20)
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2004-12-31 Version 1.3.1-3 code clean up
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2005-01-16 Bug fixed in the errorhandler found and patch code from Malte Helmert
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2005-03-05 Version 1.3.3-5 Bug fixed found by cypress
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''If I put [[ImageLink(moinmoin.png)]] it bombs''
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2005-03-28 Version 1.3.3-6 feature request added by CDPark:
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''Can we use an external image? And an external target? ''
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2005-04-16 Version 1.3.3-7 no default alt tag definition requested by CDPark and AlexanderSchremmer
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Chong-Dae Park:
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2005-04-17 Version 1.3.3-8 code refactored
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IMG with no alt tag is not recommended in the HTML standard.
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It keeps user specified alt tag. If it is not, it tries to use WikiName or image name instead.
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Reimar Bauer:
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2005-04-21 Version 1.3.3-9 bug fixed
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When the image does not exist yet, it gives you a "Upload Image" link, this link does not
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work. I suspect that this only is a problem on sub-pages, caused by incorrect escaping of
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"/". -- CraigJohnson
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"""
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from MoinMoin.action import AttachFile
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from MoinMoin import wikiutil, config
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import os,string
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def _is_URL(aString):
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'''answer true if aString is a URL.
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The method used here is pretty dumb. Improvements are welcome.
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jjk 03/28/01'''
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return string.find(aString, '://')>0
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def execute(macro, text):
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kw ={} # create a dictionary for the formatter.image call
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if text:
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args=text.split(',')
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else:
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args=[]
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number_args=len(args)
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count=0
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for a in args :
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if (a.find('=') > -1):
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count=count+1
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key=a.split('=')
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kw[str(key[0])]=wikiutil.escape(string.join(key[1],''), quote=1)
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number_args=number_args-count
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if (number_args < 1):
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msg='Not enough arguments to ImageLink macro! Try [[ImageLink(attachment,[WikiName],[width=width,[height=heigt]])]]'
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return macro.formatter.sysmsg(1)+macro.formatter.text(msg)+ macro.formatter.sysmsg(0)
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attname=wikiutil.taintfilename(macro.formatter.text(args[0]))
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if (number_args >= 2) :
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wikiname=args[1]
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current_pagename=macro.formatter.page.page_name
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if _is_URL(args[0]):
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kw['src']=args[0]
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else:
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kw['src']=AttachFile.getAttachUrl(current_pagename,attname,macro.request)
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attachment_path = os.path.join(AttachFile.getAttachDir(macro.request,current_pagename), attname)
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if not os.path.exists(attachment_path):
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import urllib
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linktext = macro.request.getText('Upload new attachment "%(filename)s"'%{
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"filename":attname})
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return wikiutil.link_tag(macro.request,
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"%(pagename)s?action=AttachFile&rename=%(newname)s" % {
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"pagename":current_pagename,
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"newname": attname},linktext)
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if not kw.has_key('alt'):
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if (number_args == 1) or _is_URL(args[1]):
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if _is_URL(args[0]):
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# Get image name http://here.com/dir/image.gif -> image.gif
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kw['alt'] = wikiutil.taintfilename(macro.formatter.text(args[0].split('/')[-1]))
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kw['alt'] = args[0].split('/')[-1]
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else:
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kw['alt'] = attname
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else:
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kw['alt'] = wikiname
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if (number_args == 1):
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image_link=macro.formatter.image(**kw)
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return macro.formatter.url(1,kw['src'] )+image_link +macro.formatter.url(0)
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if (number_args == 2 ):
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image_link=macro.formatter.image(**kw)
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if _is_URL(args[1]):
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return macro.formatter.url(1,args[1] )+image_link+macro.formatter.url(0)
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else:
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return macro.formatter.pagelink(1,wikiname)+image_link+macro.formatter.url(0)
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