"""
========================= 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 = """ <a href="%s">[%s]</a>"""
class ImageLinksExtension(markdown.Extension):
def extendMarkdown(self, md, md_globals):
md.preprocessors.add("imagelink", ImageLinkPreprocessor(md), "_begin")
class ImageLinkPreprocessor(markdown.preprocessors.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 += " "
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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