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authorArtem Yunusov <nedrlab@gmail.com>2008-08-12 16:25:16 +0500
committerArtem Yunusov <nedrlab@gmail.com>2008-08-12 16:25:16 +0500
commit90c4d5b13b231b34841aab698ca5499a30213f61 (patch)
tree64b383c2a8732ab60ab33ae79a98273a229dc580 /markdown_extensions/imagelinks.py
parent2215f99b0c5d82b3d53306f762a6135adeade384 (diff)
parent57efe86c611f9347d0259b2dbbab26d79385a58c (diff)
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Merge git@gitorious.org:python-markdown/mainline
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diff --git a/markdown_extensions/imagelinks.py b/markdown_extensions/imagelinks.py
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+"""
+========================= IMAGE LINKS =================================
+
+
+Turns paragraphs like
+
+<~~~~~~~~~~~~~~~~~~~~~~~~
+dir/subdir
+dir/subdir
+dir/subdir
+~~~~~~~~~~~~~~
+dir/subdir
+dir/subdir
+dir/subdir
+~~~~~~~~~~~~~~~~~~~>
+
+Into mini-photo galleries.
+
+"""
+
+import re, markdown
+import url_manager
+
+
+IMAGE_LINK = """<a href="%s"><img src="%s" title="%s"/></a>"""
+SLIDESHOW_LINK = """<a href="%s" target="_blank">[slideshow]</a>"""
+ALBUM_LINK = """&nbsp;<a href="%s">[%s]</a>"""
+
+
+class ImageLinksExtension (markdown.Extension):
+
+ def __init__ (self) :
+ self.reset()
+
+ def extendMarkdown(self, md, md_globals) :
+
+ self.md = md
+
+ # Stateless extensions do not need to be registered
+ md.registerExtension(self)
+
+ # Insert a preprocessor before all preprocessors
+
+ preprocessor = ImageLinkPreprocessor()
+ preprocessor.md = md
+ md.preprocessors.insert(0, preprocessor)
+
+ def reset(self) :
+ # May be called by Markdown is state reset is desired
+ pass
+
+
+class ImageLinkPreprocessor (markdown.Preprocessor):
+
+ def run(self, lines) :
+
+ url = url_manager.BlogEntryUrl(url_manager.BlogUrl("all"),
+ "2006/08/29/the_rest_of_our")
+
+
+ all_images = []
+ blocks = []
+ in_image_block = False
+
+ new_lines = []
+
+ for line in lines :
+
+ if line.startswith("<~~~~~~~") :
+ albums = []
+ rows = []
+ in_image_block = True
+
+ if not in_image_block :
+
+ new_lines.append(line)
+
+ else :
+
+ line = line.strip()
+
+ if line.endswith("~~~~~~>") or not line :
+ in_image_block = False
+ new_block = "<div><br/><center><span class='image-links'>\n"
+
+ album_url_hash = {}
+
+ for row in rows :
+ for photo_url, title in row :
+ new_block += "&nbsp;"
+ new_block += IMAGE_LINK % (photo_url,
+ photo_url.get_thumbnail(),
+ title)
+
+ album_url_hash[str(photo_url.get_album())] = 1
+
+ new_block += "<br/>"
+
+ new_block += "</span>"
+ new_block += SLIDESHOW_LINK % url.get_slideshow()
+
+ album_urls = album_url_hash.keys()
+ album_urls.sort()
+
+ if len(album_urls) == 1 :
+ new_block += ALBUM_LINK % (album_urls[0], "complete album")
+ else :
+ for i in range(len(album_urls)) :
+ new_block += ALBUM_LINK % (album_urls[i],
+ "album %d" % (i + 1) )
+
+ new_lines.append(new_block + "</center><br/></div>")
+
+ elif line[1:6] == "~~~~~" :
+ rows.append([]) # start a new row
+ else :
+ parts = line.split()
+ line = parts[0]
+ title = " ".join(parts[1:])
+
+ album, photo = line.split("/")
+ photo_url = url.get_photo(album, photo,
+ len(all_images)+1)
+ all_images.append(photo_url)
+ rows[-1].append((photo_url, title))
+
+ if not album in albums :
+ albums.append(album)
+
+ return new_lines
+
+
+def makeExtension(configs) :
+ return ImageLinksExtension(configs)
+