1 files changed, 47 insertions, 0 deletions

diff --git a/thumbnail/macro/ThumbnailGallery.py b/thumbnail/macro/ThumbnailGallery.py
new file mode 100644
index 0000000..038c3bc
--- /dev/null
+++ b/thumbnail/macro/ThumbnailGallery.py
@@ -0,0 +1,47 @@
+import re
+from MoinMoin import wikiutil
+from MoinMoin.action import AttachFile
+
+
+def macro_ThumbnailGallery(macro, page=None, regex=None, height=200, width=None, link=True):
+    _ = macro.request.getText
+    formatter = macro.formatter
+    pagename = page or macro.formatter.page.page_name
+    output = []
+
+    if not regex:
+        regex = re.compile(".*\.(jpg|jpeg|png|gif)$")
+    else:
+        regex = re.compile(regex)
+
+    if not macro.request.user.may.read(pagename):
+        return _('You are not allowed to view attachments of this page.')
+
+    for attachment in AttachFile._get_files(macro.request, pagename):
+        if regex.match(attachment) is None:
+            continue
+
+        pagename, filename = AttachFile.absoluteName(attachment, pagename)
+        fname = wikiutil.taintfilename(filename)
+
+        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.extend([
+                macro.formatter.url(True, url) if link else "",
+                macro.formatter.image(
+                    macro.request.href(pagename, {
+                         "target": fname,
+                         "action": "Thumbnail",
+                         "do": "tc:{},{}".format(size, dimension)
+                    })),
+                macro.formatter.url(False) if link else "",
+                " ",
+            ])
+
+    return "".join(output)