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

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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 MobiWriter, PALMDOC, UNCOMPRESSED
from calibre.ebooks.mobi.mobiml import MobiMLizer from calibre.ebooks.mobi.mobiml import MobiMLizer
from calibre.ebooks.oeb.transforms.manglecase import CaseMangler 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.ebooks.oeb.transforms.htmltoc import HTMLTOCAdder
from calibre.customize.ui import plugin_for_input_format from calibre.customize.ui import plugin_for_input_format
imagemax = PALM_MAX_IMAGE_SIZE if opts.rescale_images else None imagemax = PALM_MAX_IMAGE_SIZE if opts.rescale_images else None
@ -163,8 +163,11 @@ class MOBIOutput(OutputFormatPlugin):
tocadder(oeb, opts) tocadder(oeb, opts)
mangler = CaseMangler() mangler = CaseMangler()
mangler(oeb, opts) mangler(oeb, opts)
rasterizer = SVGRasterizer() try:
rasterizer(oeb, opts) 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 = MobiMLizer(ignore_tables=opts.linearize_tables)
mobimlizer(oeb, opts) mobimlizer(oeb, opts)
self.check_for_periodical() self.check_for_periodical()

5
src/calibre/ebooks/oeb/transforms/rasterize.py
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@ -27,11 +27,14 @@ from calibre.ebooks.oeb.stylizer import Stylizer
IMAGE_TAGS = set([XHTML('img'), XHTML('object')]) IMAGE_TAGS = set([XHTML('img'), XHTML('object')])
KEEP_ATTRS = set(['class', 'style', 'width', 'height', 'align']) KEEP_ATTRS = set(['class', 'style', 'width', 'height', 'align'])
class Unavailable(Exception):
pass
class SVGRasterizer(object): class SVGRasterizer(object):
def __init__(self): def __init__(self):
from calibre.gui2 import is_ok_to_use_qt from calibre.gui2 import is_ok_to_use_qt
if not 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 @classmethod
def config(cls, cfg): def config(cls, cfg):