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from MoinMoin import wikiutil
from MoinMoin.action import AttachFile
def macro_Thumbnail(macro, attachment, height=200, width=None, link=True):
_ = macro.request.getText
formatter = macro.formatter
pagename, filename = AttachFile.absoluteName(attachment, formatter.page.page_name)
fname = wikiutil.taintfilename(filename)
if not macro.request.user.may.read(pagename):
return _('You are not allowed to view attachments of this page.')
if width:
size, dimension = width, "w"
else:
size, dimension = height, "h"
if AttachFile.exists(macro.request, pagename, fname):
url = AttachFile.getAttachUrl(pagename, fname, macro.request, do='get')
output = [
formatter.url(True, url) if link else "",
formatter.image(
macro.request.href(pagename, {
"target": fname,
"action": "Thumbnail",
"do": "tc:{},{}".format(size, dimension)
})),
formatter.url(False) if link else "",
]
else:
output = [
formatter.span(True, style="color: red"),
"No Image: {}".format(attachment),
formatter.span(False),
]
return "".join(output)
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