Make using local links in posts easier

A special string token (##POST_URL##) is recognized in post bodies and
replaced with the path to the post (URL-wise) in the rendered HTML. This
makes easier to have local resorces and makes links or use them as image
sources in posts.

diff --git a/blitiri.cgi b/blitiri.cgi
index 0ffc81a6ac40851dbc1944aa90794c33f413f1bb..781659958e0539d84d361998cfbf0e464df373f0 100755 (executable)
--- a/blitiri.cgi
+++ b/blitiri.cgi
@@ -925,7 +925,10 @@ class Article (object):
                self.loaded = True
 
        def to_html(self):
-               return rst_to_html(self.raw_content)
+               dirname = os.path.dirname
+               post_url = '/'.join(dirname(full_url), data_path, dirname(self.path))
+               rst = self.raw_content.replace('##POST_URL##', post_url)
+               return rst_to_html(rst)
 
        def to_vars(self):
                return {