mirror of
https://github.com/kovidgoyal/calibre.git
synced 2025-07-09 03:04:10 -04:00
Mobipocket support:
- Add 'vertical-align: text-top' as a <sup/>-generating case
- Add titles to title-less known <guide/> <reference/>s and cleanly
ignoren any others
- Add transform to generate results of CSS 'text-transform' and
'font-variant'
This commit is contained in:
Marshall T. Vandegrift
parent
ed6f3b6702
commit
2397ee84bf
@ -303,7 +303,7 @@ class MobiMLizer(object):
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else:
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istate.family = 'serif'
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valign = style['vertical-align']
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if valign in ('super', 'sup') or asfloat(valign) > 0:
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if valign in ('super', 'text-top') or asfloat(valign) > 0:
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istate.valign = 'super'
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elif valign == 'sub' or asfloat(valign) < 0:
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istate.valign = 'sub'
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@ -28,6 +28,7 @@ from calibre.ebooks.oeb.transforms.flatcss import CSSFlattener
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from calibre.ebooks.oeb.transforms.rasterize import SVGRasterizer
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from calibre.ebooks.oeb.transforms.trimmanifest import ManifestTrimmer
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from calibre.ebooks.oeb.transforms.htmltoc import HTMLTOCAdder
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from calibre.ebooks.oeb.transforms.manglecase import CaseMangler
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from calibre.ebooks.mobi.palmdoc import compress_doc
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from calibre.ebooks.mobi.langcodes import iana2mobi
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from calibre.ebooks.mobi.mobiml import MBP_NS, MBP, MobiMLizer
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@ -114,7 +115,8 @@ class Serializer(object):
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buffer.write('<guide>')
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for ref in self.oeb.guide.values():
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path, frag = urldefrag(ref.href)
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if hrefs[path].media_type not in OEB_DOCS:
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if hrefs[path].media_type not in OEB_DOCS or
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not ref.title:
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continue
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buffer.write('<reference title="%s" type="%s" '
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% (ref.title, ref.type))
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@ -485,12 +487,14 @@ def main(argv=sys.argv):
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fbase = context.dest.fbase
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fkey = context.dest.fnums.values()
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tocadder = HTMLTOCAdder()
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mangler = CaseMangler()
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flattener = CSSFlattener(
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fbase=fbase, fkey=fkey, unfloat=True, untable=True)
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rasterizer = SVGRasterizer()
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trimmer = ManifestTrimmer()
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mobimlizer = MobiMLizer()
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tocadder.transform(oeb, context)
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mangler.transform(oeb, context)
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flattener.transform(oeb, context)
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rasterizer.transform(oeb, context)
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mobimlizer.transform(oeb, context)
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@ -66,6 +66,25 @@ OEB_RASTER_IMAGES = set([GIF_MIME, JPEG_MIME, PNG_MIME])
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OEB_IMAGES = set([GIF_MIME, JPEG_MIME, PNG_MIME, SVG_MIME])
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MS_COVER_TYPE = 'other.ms-coverimage-standard'
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GUIDE_TITLES = {
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'cover': 'Cover',
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'title-page': 'Title Page',
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'toc': 'Table of Contents',
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'index': 'Index',
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'glossary': 'Glossary',
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'acknowledgements': 'Acknowledgements',
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'bibliography': 'Bibliography',
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'colophon': 'Colophon',
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'copyright-page': 'Copyright',
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'dedication': 'Dedication',
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'epigraph': 'Epigraph',
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'foreword': 'Foreword',
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'loi': 'List of Illustrations',
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'lot': 'List of Tables',
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'notes': 'Notes',
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'preface': 'Preface',
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'text': 'Begin Reading'
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}
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recode = lambda s: s.decode('iso-8859-1').encode('ascii', 'xmlcharrefreplace')
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ENTITYDEFS = dict((k, recode(v)) for k, v in htmlentitydefs.entitydefs.items())
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@ -537,10 +556,12 @@ class Spine(object):
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class Guide(object):
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class Reference(object):
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def __init__(self, type, title, href):
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if not title and type in GUIDE_TITLES:
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title = GUIDE_TITLES[type]
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self.type = type
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self.title = title
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self.href = urlnormalize(href)
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def __repr__(self):
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return 'Reference(type=%r, title=%r, href=%r)' \
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% (self.type, self.title, self.href)
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111
src/calibre/ebooks/oeb/transforms/manglecase.py
Normal file
111
src/calibre/ebooks/oeb/transforms/manglecase.py
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@ -0,0 +1,111 @@
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'''
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CSS case-mangling transform.
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'''
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from __future__ import with_statement
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__license__ = 'GPL v3'
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__copyright__ = '2008, Marshall T. Vandegrift <llasram@gmail.com>'
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import sys
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import os
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import re
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import operator
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import math
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from itertools import chain
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from collections import defaultdict
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from lxml import etree
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from calibre.ebooks.oeb.base import XHTML, XHTML_NS
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from calibre.ebooks.oeb.base import CSS_MIME
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from calibre.ebooks.oeb.base import namespace
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from calibre.ebooks.oeb.stylizer import Stylizer
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CASE_MANGLER_CSS = """
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.calibre_lowercase {
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font-variant: normal;
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font-size: 0.65em;
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}
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"""
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TEXT_TRANSFORMS = set(['capitalize', 'uppercase', 'lowercase'])
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class CaseMangler(object):
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def transform(self, oeb, context):
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oeb.logger.info('Applying case-transforming CSS...')
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self.oeb = oeb
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self.profile = context.source
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self.mangle_spine()
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def mangle_spine(self):
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id, href = self.oeb.manifest.generate('manglecase', 'manglecase.css')
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self.oeb.manifest.add(id, href, CSS_MIME, data=CASE_MANGLER_CSS)
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for item in self.oeb.spine:
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html = item.data
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etree.SubElement(html.find(XHTML('head')), XHTML('link'),
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rel='stylesheet', href=href, type=CSS_MIME)
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stylizer = Stylizer(html, item.href, self.oeb, self.profile)
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self.mangle_elem(html.find(XHTML('body')), stylizer)
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def text_transform(self, transform, text):
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if transform == 'capitalize':
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return text.title()
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elif transform == 'uppercase':
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return text.upper()
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elif transform == 'lowercase':
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return text.lower()
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return text
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def split_text(self, text):
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results = ['']
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isupper = text[0].isupper()
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for char in text:
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if char.isupper() == isupper:
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results[-1] += char
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else:
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isupper = not isupper
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results.append(char)
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return results
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def smallcaps_elem(self, elem, attr):
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texts = self.split_text(getattr(elem, attr))
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setattr(elem, attr, None)
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last = elem if attr == 'tail' else None
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attrib = {'class': 'calibre_lowercase'}
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for text in texts:
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if text.isupper():
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if last is None:
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elem.text = text
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else:
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last.tail = text
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else:
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child = etree.Element(XHTML('span'), attrib=attrib)
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child.text = text.upper()
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if last is None:
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elem.insert(0, child)
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else:
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# addnext() moves the tail for some reason
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tail = last.tail
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last.addnext(child)
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last.tail = tail
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child.tail = None
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last = child
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def mangle_elem(self, elem, stylizer):
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if not isinstance(elem.tag, basestring) or \
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namespace(elem.tag) != XHTML_NS:
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return
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children = list(elem)
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style = stylizer.style(elem)
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transform = style['text-transform']
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variant = style['font-variant']
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if elem.text:
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if transform in TEXT_TRANSFORMS:
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elem.text = self.text_transform(transform, elem.text)
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if variant == 'small-caps':
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self.smallcaps_elem(elem, 'text')
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for child in children:
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self.mangle_elem(child, stylizer)
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if child.tail:
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if transform in TEXT_TRANSFORMS:
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child.tail = self.text_transform(transform, child.tail)
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if variant == 'small-caps':
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self.smallcaps_elem(child, 'tail')
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