From dc9e65bcdc7416c66a9cb2026616dc4cc1c9da3a Mon Sep 17 00:00:00 2001
From: Yuri Takhteyev <yuri@freewisdom.org>
Date: Fri, 2 May 2008 10:33:47 -0700
Subject: Adding four extensions that weren't in source control before.

---
 mdx_imagelinks.py | 135 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 135 insertions(+)
 create mode 100644 mdx_imagelinks.py

(limited to 'mdx_imagelinks.py')

diff --git a/mdx_imagelinks.py b/mdx_imagelinks.py
new file mode 100644
index 0000000..e545b24
--- /dev/null
+++ b/mdx_imagelinks.py
@@ -0,0 +1,135 @@
+"""
+========================= 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)
+
-- 
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