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MOBI Output: If the SVG rasterizer is not avaialbale continue anyway

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This commit is contained in:
Kovid Goyal 2010-02-26 00:41:00 -07:00
parent b9ca3bfe3a
commit ee6fc5c15b
2 changed files with 10 additions and 4 deletions
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9
src/calibre/ebooks/mobi/output.py
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@ -154,7 +154,7 @@ class MOBIOutput(OutputFormatPlugin):
MobiWriter, PALMDOC, UNCOMPRESSED
from calibre.ebooks.mobi.mobiml import MobiMLizer
from calibre.ebooks.oeb.transforms.manglecase import CaseMangler
from calibre.ebooks.oeb.transforms.rasterize import SVGRasterizer
from calibre.ebooks.oeb.transforms.rasterize import SVGRasterizer, Unavailable
from calibre.ebooks.oeb.transforms.htmltoc import HTMLTOCAdder
from calibre.customize.ui import plugin_for_input_format
imagemax = PALM_MAX_IMAGE_SIZE if opts.rescale_images else None
@ -163,8 +163,11 @@ class MOBIOutput(OutputFormatPlugin):
tocadder(oeb, opts)
mangler = CaseMangler()
mangler(oeb, opts)
rasterizer = SVGRasterizer()
rasterizer(oeb, opts)
try:
rasterizer = SVGRasterizer()
rasterizer(oeb, opts)
except Unavailable:
self.log.warn('SVG rasterizer unavailable, SVG will not be converted')
mobimlizer = MobiMLizer(ignore_tables=opts.linearize_tables)
mobimlizer(oeb, opts)
self.check_for_periodical()

5
src/calibre/ebooks/oeb/transforms/rasterize.py
View File

@ -27,11 +27,14 @@ from calibre.ebooks.oeb.stylizer import Stylizer
IMAGE_TAGS = set([XHTML('img'), XHTML('object')])
KEEP_ATTRS = set(['class', 'style', 'width', 'height', 'align'])
class Unavailable(Exception):
pass
class SVGRasterizer(object):
def __init__(self):
from calibre.gui2 import is_ok_to_use_qt
if not is_ok_to_use_qt():
raise Exception('Not OK to use Qt')
raise Unavailable('Not OK to use Qt')
@classmethod
def config(cls, cfg):