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/browse: Cache top level resized icons

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This commit is contained in:
Kovid Goyal 2010-10-16 09:07:36 -06:00
parent 40808b4a1b
commit 9181d87588
1 changed files with 16 additions and 11 deletions
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27
src/calibre/library/server/browse.py
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@ -262,20 +262,25 @@ class BrowseServer(object):
# Catalogs {{{
def browse_icon(self, name='blank.png'):
try:
data = I(name, data=True)
except:
raise cherrypy.HTTPError(404, 'no icon named: %r'%name)
img = Image()
img.load(data)
width, height = img.size
scaled, width, height = fit_image(width, height, 48, 48)
if scaled:
img.size = (width, height)
cherrypy.response.headers['Content-Type'] = 'image/png'
cherrypy.response.headers['Last-Modified'] = self.last_modified(self.build_time)
return img.export('png')
if not hasattr(self, '__browse_icon_cache__'):
self.__browse_icon_cache__ = {}
if name not in self.__browse_icon_cache__:
try:
data = I(name, data=True)
except:
raise cherrypy.HTTPError(404, 'no icon named: %r'%name)
img = Image()
img.load(data)
width, height = img.size
scaled, width, height = fit_image(width, height, 48, 48)
if scaled:
img.size = (width, height)
self.__browse_icon_cache__[name] = img.export('png')
return self.__browse_icon_cache__[name]
def browse_toplevel(self):
categories = self.categories_cache()