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Textile output; Fix out of memory issue when dealing with large margins.

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Kovid Goyal 2011-10-27 21:08:55 +05:30
commit ceb4051a8d
1 changed files with 6 additions and 4 deletions
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10
src/calibre/ebooks/txt/textileml.py
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@ -19,6 +19,8 @@ from calibre.ebooks.textile.unsmarten import unsmarten
class TextileMLizer(OEB2HTML): class TextileMLizer(OEB2HTML):
MAX_EM = 10
def extract_content(self, oeb_book, opts): def extract_content(self, oeb_book, opts):
self.log.info('Converting XHTML to Textile formatted TXT...') self.log.info('Converting XHTML to Textile formatted TXT...')
self.opts = opts self.opts = opts
@ -176,7 +178,7 @@ class TextileMLizer(OEB2HTML):
if 'margin-left' in style.cssdict() and style['margin-left'] != 'auto': if 'margin-left' in style.cssdict() and style['margin-left'] != 'auto':
left_margin_pts = unit_convert(style['margin-left'], style.width, style.fontSize, stylizer.profile.dpi) left_margin_pts = unit_convert(style['margin-left'], style.width, style.fontSize, stylizer.profile.dpi)
left = left_margin_pts + left_padding_pts left = left_margin_pts + left_padding_pts
emleft = int(round(left / stylizer.profile.fbase)) emleft = min(int(round(left / stylizer.profile.fbase)), self.MAX_EM)
if emleft >= 1: if emleft >= 1:
txt += '(' * emleft txt += '(' * emleft
right_padding_pts = 0 right_padding_pts = 0
@ -186,7 +188,7 @@ class TextileMLizer(OEB2HTML):
if 'margin-right' in style.cssdict() and style['margin-right'] != 'auto': if 'margin-right' in style.cssdict() and style['margin-right'] != 'auto':
right_margin_pts = unit_convert(style['margin-right'], style.width, style.fontSize, stylizer.profile.dpi) right_margin_pts = unit_convert(style['margin-right'], style.width, style.fontSize, stylizer.profile.dpi)
right = right_margin_pts + right_padding_pts right = right_margin_pts + right_padding_pts
emright = int(round(right / stylizer.profile.fbase)) emright = min(int(round(right / stylizer.profile.fbase)), self.MAX_EM)
if emright >= 1: if emright >= 1:
txt += ')' * emright txt += ')' * emright
@ -243,7 +245,7 @@ class TextileMLizer(OEB2HTML):
# Soft scene breaks. # Soft scene breaks.
if 'margin-top' in style.cssdict() and style['margin-top'] != 'auto': if 'margin-top' in style.cssdict() and style['margin-top'] != 'auto':
ems = int(round(float(style.marginTop) / style.fontSize) - 1) ems = min(int(round(float(style.marginTop) / style.fontSize) - 1), self.MAX_EM)
if ems >= 1: if ems >= 1:
text.append(u'\n\n\xa0' * ems) text.append(u'\n\n\xa0' * ems)
@ -476,7 +478,7 @@ class TextileMLizer(OEB2HTML):
# Soft scene breaks. # Soft scene breaks.
if 'margin-bottom' in style.cssdict() and style['margin-bottom'] != 'auto': if 'margin-bottom' in style.cssdict() and style['margin-bottom'] != 'auto':
ems = int(round((float(style.marginBottom) / style.fontSize) - 1)) ems = min(int(round((float(style.marginBottom) / style.fontSize) - 1)), self.MAX_EM)
if ems >= 1: if ems >= 1:
text.append(u'\n\n\xa0' * ems) text.append(u'\n\n\xa0' * ems)