def convert_text(self, oeb_book):
from calibre.ebooks.metadata.opf2 import OPF
from calibre.ebooks.pdf.render.from_html import PDFWriter
self.log.debug('Serializing oeb input to disk for processing...')
self.get_cover_data()
self.process_fonts()
if self.opts.pdf_use_document_margins and self.stored_page_margins:
import json
for href, margins in self.stored_page_margins.iteritems():
item = oeb_book.manifest.hrefs.get(href)
root = item.data
if hasattr(root, 'xpath') and margins:
root.set('data-calibre-pdf-output-page-margins', json.dumps(margins))
with TemporaryDirectory('_pdf_out') as oeb_dir:
from calibre.customize.ui import plugin_for_output_format
oeb_output = plugin_for_output_format('oeb')
oeb_output.convert(oeb_book, oeb_dir, self.input_plugin, self.opts, self.log)
opfpath = glob.glob(os.path.join(oeb_dir, '*.opf'))[0]
opf = OPF(opfpath, os.path.dirname(opfpath))
self.write(PDFWriter, [s.path for s in opf.spine], getattr(opf,
'toc', None))
def convert_text(self, oeb_book):
import json
from calibre.ebooks.pdf.html_writer import convert
self.get_cover_data()
self.process_fonts()
if self.opts.pdf_use_document_margins and self.stored_page_margins:
for href, margins in iteritems(self.stored_page_margins):
item = oeb_book.manifest.hrefs.get(href)
if item is not None:
root = item.data
if hasattr(root, 'xpath') and margins:
root.set('data-calibre-pdf-output-page-margins',
json.dumps(margins))
with TemporaryDirectory('_pdf_out') as oeb_dir:
from calibre.customize.ui import plugin_for_output_format
oeb_dir = os.path.realpath(oeb_dir)
oeb_output = plugin_for_output_format('oeb')
oeb_output.convert(oeb_book, oeb_dir, self.input_plugin, self.opts,
self.log)
opfpath = glob.glob(os.path.join(oeb_dir, '*.opf'))[0]
convert(opfpath,
self.opts,
metadata=self.metadata,
output_path=self.output_path,
log=self.log,
cover_data=self.cover_data,
report_progress=self.report_progress)
def convert_text(self, oeb_book):
from calibre.ebooks.metadata.opf2 import OPF
from calibre.ebooks.pdf.render.from_html import PDFWriter
self.log.debug('Serializing oeb input to disk for processing...')
self.get_cover_data()
self.process_fonts()
if self.opts.pdf_use_document_margins and self.stored_page_margins:
import json
for href, margins in self.stored_page_margins.iteritems():
item = oeb_book.manifest.hrefs.get(href)
root = item.data
if hasattr(root, 'xpath') and margins:
root.set('data-calibre-pdf-output-page-margins', json.dumps(margins))
with TemporaryDirectory('_pdf_out') as oeb_dir:
from calibre.customize.ui import plugin_for_output_format
oeb_output = plugin_for_output_format('oeb')
oeb_output.convert(oeb_book, oeb_dir, self.input_plugin, self.opts, self.log)
opfpath = glob.glob(os.path.join(oeb_dir, '*.opf'))[0]
opf = OPF(opfpath, os.path.dirname(opfpath))
self.write(PDFWriter, [s.path for s in opf.spine], getattr(opf,
'toc', None))
def convert_text(self, oeb_book):
from calibre.ebooks.metadata.opf2 import OPF
if self.opts.old_pdf_engine:
from calibre.ebooks.pdf.writer import PDFWriter
PDFWriter
else:
from calibre.ebooks.pdf.render.from_html import PDFWriter
self.log.debug("Serializing oeb input to disk for processing...")
self.get_cover_data()
self.handle_embedded_fonts()
with TemporaryDirectory("_pdf_out") as oeb_dir:
from calibre.customize.ui import plugin_for_output_format
oeb_output = plugin_for_output_format("oeb")
oeb_output.convert(oeb_book, oeb_dir, self.input_plugin, self.opts, self.log)
opfpath = glob.glob(os.path.join(oeb_dir, "*.opf"))[0]
opf = OPF(opfpath, os.path.dirname(opfpath))
self.write(PDFWriter, [s.path for s in opf.spine], getattr(opf, "toc", None))
def options_for_output_fmt(fmt):
from calibre.customize.ui import plugin_for_output_format
fmt = fmt.lower()
plugin = plugin_for_output_format(fmt)
if plugin is None:
return None, ()
full_name = plugin.name.lower().replace(' ', '_')
name = full_name.rpartition('_')[0]
return full_name, OPTIONS['output'].get(name, ())
def options_for_output_fmt(fmt):
from calibre.customize.ui import plugin_for_output_format
fmt = fmt.lower()
plugin = plugin_for_output_format(fmt)
if plugin is None:
return None, ()
full_name = plugin.name.lower().replace(' ', '_')
name = full_name.rpartition('_')[0]
return full_name, OPTIONS['output'].get(name, ())
def opf_to_azw3(opf, outpath, log):
from calibre.ebooks.conversion.plumber import Plumber, create_oebbook
plumber = Plumber(opf, outpath, log)
plumber.setup_options()
inp = plugin_for_input_format('azw3')
outp = plugin_for_output_format('azw3')
plumber.opts.mobi_passthrough = True
oeb = create_oebbook(log, opf, plumber.opts)
set_cover(oeb)
outp.convert(oeb, outpath, inp, plumber.opts, log)
def do_rebuild(opf, dest_path):
plumber = Plumber(opf, dest_path, default_log)
plumber.setup_options()
inp = plugin_for_input_format('azw3')
outp = plugin_for_output_format('azw3')
plumber.opts.mobi_passthrough = True
oeb = create_oebbook(default_log, opf, plumber.opts)
set_cover(oeb)
outp.convert(oeb, dest_path, inp, plumber.opts, default_log)
def do_rebuild(opf, dest_path):
plumber = Plumber(opf, dest_path, default_log)
plumber.setup_options()
inp = plugin_for_input_format('azw3')
outp = plugin_for_output_format('azw3')
plumber.opts.mobi_passthrough = True
oeb = create_oebbook(default_log, opf, plumber.opts)
set_cover(oeb)
outp.convert(oeb, dest_path, inp, plumber.opts, default_log)
def opf_to_azw3(opf, outpath, log):
from calibre.ebooks.conversion.plumber import Plumber, create_oebbook
plumber = Plumber(opf, outpath, log)
plumber.setup_options()
inp = plugin_for_input_format('azw3')
outp = plugin_for_output_format('azw3')
plumber.opts.mobi_passthrough = True
oeb = create_oebbook(log, opf, plumber.opts)
set_cover(oeb)
outp.convert(oeb, outpath, inp, plumber.opts, log)
def fetch_scheduled_recipe(arg): # {{{
fmt = prefs['output_format'].lower()
# Never use AZW3 for periodicals...
if fmt == 'azw3':
fmt = 'mobi'
pt = PersistentTemporaryFile(suffix='_recipe_out.%s' % fmt.lower())
pt.close()
recs = []
ps = load_defaults('page_setup')
if 'output_profile' in ps:
recs.append(('output_profile', ps['output_profile'],
OptionRecommendation.HIGH))
for edge in ('left', 'top', 'bottom', 'right'):
edge = 'margin_' + edge
if edge in ps:
recs.append((edge, ps[edge], OptionRecommendation.HIGH))
lf = load_defaults('look_and_feel')
if lf.get('base_font_size', 0.0) != 0.0:
recs.append(('base_font_size', lf['base_font_size'],
OptionRecommendation.HIGH))
recs.append(
('keep_ligatures', lf.get('keep_ligatures',
False), OptionRecommendation.HIGH))
lr = load_defaults('lrf_output')
if lr.get('header', False):
recs.append(('header', True, OptionRecommendation.HIGH))
recs.append(('header_format', '%t', OptionRecommendation.HIGH))
epub = load_defaults('epub_output')
if epub.get('epub_flatten', False):
recs.append(('epub_flatten', True, OptionRecommendation.HIGH))
if fmt == 'pdf':
pdf = load_defaults('pdf_output')
from calibre.customize.ui import plugin_for_output_format
p = plugin_for_output_format('pdf')
for opt in p.options:
recs.append(
(opt.option.name,
pdf.get(opt.option.name,
opt.recommended_value), OptionRecommendation.HIGH))
args = [arg['recipe'], pt.name, recs]
if arg['username'] is not None:
recs.append(('username', arg['username'], OptionRecommendation.HIGH))
if arg['password'] is not None:
recs.append(('password', arg['password'], OptionRecommendation.HIGH))
return 'gui_convert', args, _(
'Fetch news from %s') % arg['title'], fmt.upper(), [pt]
def commit(self, outpath=None, keep_parsed=False):
super(AZW3Container, self).commit(keep_parsed=keep_parsed)
if outpath is None:
outpath = self.pathtoazw3
from calibre.ebooks.conversion.plumber import Plumber, create_oebbook
opf = self.name_path_map[self.opf_name]
plumber = Plumber(opf, outpath, self.log)
plumber.setup_options()
inp = plugin_for_input_format('azw3')
outp = plugin_for_output_format('azw3')
plumber.opts.mobi_passthrough = True
oeb = create_oebbook(default_log, opf, plumber.opts)
set_cover(oeb)
outp.convert(oeb, outpath, inp, plumber.opts, default_log)
def commit(self, outpath=None, keep_parsed=False):
super(AZW3Container, self).commit(keep_parsed=keep_parsed)
if outpath is None:
outpath = self.pathtoazw3
from calibre.ebooks.conversion.plumber import Plumber, create_oebbook
opf = self.name_path_map[self.opf_name]
plumber = Plumber(opf, outpath, self.log)
plumber.setup_options()
inp = plugin_for_input_format('azw3')
outp = plugin_for_output_format('azw3')
plumber.opts.mobi_passthrough = True
oeb = create_oebbook(default_log, opf, plumber.opts)
set_cover(oeb)
outp.convert(oeb, outpath, inp, plumber.opts, default_log)
def convert_text(self, oeb_book):
from calibre.ebooks.pdf.writer import PDFWriter
from calibre.ebooks.metadata.opf2 import OPF
self.log.debug('Serializing oeb input to disk for processing...')
self.get_cover_data()
with TemporaryDirectory('_pdf_out') as oeb_dir:
from calibre.customize.ui import plugin_for_output_format
oeb_output = plugin_for_output_format('oeb')
oeb_output.convert(oeb_book, oeb_dir, self.input_plugin, self.opts, self.log)
opfpath = glob.glob(os.path.join(oeb_dir, '*.opf'))[0]
opf = OPF(opfpath, os.path.dirname(opfpath))
self.write(PDFWriter, [s.path for s in opf.spine])
def fetch_scheduled_recipe(arg): # {{{
fmt = prefs['output_format'].lower()
# Never use AZW3 for periodicals...
if fmt == 'azw3':
fmt = 'mobi'
pt = PersistentTemporaryFile(suffix='_recipe_out.%s'%fmt.lower())
pt.close()
recs = []
ps = load_defaults('page_setup')
if 'output_profile' in ps:
recs.append(('output_profile', ps['output_profile'],
OptionRecommendation.HIGH))
for edge in ('left', 'top', 'bottom', 'right'):
edge = 'margin_' + edge
if edge in ps:
recs.append((edge, ps[edge], OptionRecommendation.HIGH))
lf = load_defaults('look_and_feel')
if lf.get('base_font_size', 0.0) != 0.0:
recs.append(('base_font_size', lf['base_font_size'],
OptionRecommendation.HIGH))
recs.append(('keep_ligatures', lf.get('keep_ligatures', False),
OptionRecommendation.HIGH))
lr = load_defaults('lrf_output')
if lr.get('header', False):
recs.append(('header', True, OptionRecommendation.HIGH))
recs.append(('header_format', '%t', OptionRecommendation.HIGH))
epub = load_defaults('epub_output')
if epub.get('epub_flatten', False):
recs.append(('epub_flatten', True, OptionRecommendation.HIGH))
if fmt == 'pdf':
pdf = load_defaults('pdf_output')
from calibre.customize.ui import plugin_for_output_format
p = plugin_for_output_format('pdf')
for opt in p.options:
recs.append((opt.option.name, pdf.get(opt.option.name, opt.recommended_value), OptionRecommendation.HIGH))
args = [arg['recipe'], pt.name, recs]
if arg['username'] is not None:
recs.append(('username', arg['username'], OptionRecommendation.HIGH))
if arg['password'] is not None:
recs.append(('password', arg['password'], OptionRecommendation.HIGH))
return 'gui_convert', args, _('Fetch news from ')+arg['title'], fmt.upper(), [pt]
def convert_text(self, oeb_book):
from calibre.ebooks.pdf.writer import PDFWriter
from calibre.ebooks.metadata.opf2 import OPF
self.log.debug('Serializing oeb input to disk for processing...')
self.get_cover_data()
with TemporaryDirectory('_pdf_out') as oeb_dir:
from calibre.customize.ui import plugin_for_output_format
oeb_output = plugin_for_output_format('oeb')
oeb_output.convert(oeb_book, oeb_dir, self.input_plugin, self.opts,
self.log)
opfpath = glob.glob(os.path.join(oeb_dir, '*.opf'))[0]
opf = OPF(opfpath, os.path.dirname(opfpath))
self.write(PDFWriter, [s.path for s in opf.spine])
def convert(self, oeb, output_path, input_plugin, opts, log):
self.log, self.opts, self.oeb = log, opts, oeb
lrf_opts = LRFOptions(output_path, opts, oeb)
if input_plugin.is_image_collection:
self.convert_images(input_plugin.get_images(), lrf_opts,
getattr(opts, 'wide', False))
return
self.flatten_toc()
from calibre.ptempfile import TemporaryDirectory
with TemporaryDirectory('_lrf_output') as tdir:
from calibre.customize.ui import plugin_for_output_format
oeb_output = plugin_for_output_format('oeb')
oeb_output.convert(oeb, tdir, input_plugin, opts, log)
opf = [x for x in os.listdir(tdir) if x.endswith('.opf')][0]
from calibre.ebooks.lrf.html.convert_from import process_file
process_file(os.path.join(tdir, opf), lrf_opts, self.log)
def convert(self, oeb, output_path, input_plugin, opts, log):
self.log, self.opts, self.oeb = log, opts, oeb
lrf_opts = LRFOptions(output_path, opts, oeb)
if input_plugin.is_image_collection:
self.convert_images(input_plugin.get_images(), lrf_opts,
getattr(opts, 'wide', False))
return
self.flatten_toc()
from calibre.ptempfile import TemporaryDirectory
with TemporaryDirectory('_lrf_output') as tdir:
from calibre.customize.ui import plugin_for_output_format
oeb_output = plugin_for_output_format('oeb')
oeb_output.convert(oeb, tdir, input_plugin, opts, log)
opf = [x for x in os.listdir(tdir) if x.endswith('.opf')][0]
from calibre.ebooks.lrf.html.convert_from import process_file
process_file(os.path.join(tdir, opf), lrf_opts, self.log)
def convert_text(self, oeb_book):
from calibre.ebooks.metadata.opf2 import OPF
from calibre.ebooks.pdf.render.from_html import PDFWriter
self.log.debug('Serializing oeb input to disk for processing...')
self.get_cover_data()
self.process_fonts()
if self.opts.pdf_use_document_margins and self.stored_page_margins:
import json
for href, margins in iteritems(self.stored_page_margins):
item = oeb_book.manifest.hrefs.get(href)
if item is not None:
root = item.data
if hasattr(root, 'xpath') and margins:
root.set('data-calibre-pdf-output-page-margins',
json.dumps(margins))
# Remove javascript
for item in self.oeb.spine:
root = item.data
if hasattr(root, 'xpath'):
for script in root.xpath('//*[local-name()="script"]'):
script.text = None
script.attrib.clear()
for elem in root.iter('*'):
for attr in tuple(elem.attrib):
if attr.startswith('on'):
elem.set(attr, '')
with TemporaryDirectory('_pdf_out') as oeb_dir:
from calibre.customize.ui import plugin_for_output_format
oeb_output = plugin_for_output_format('oeb')
oeb_output.convert(oeb_book, oeb_dir, self.input_plugin, self.opts,
self.log)
opfpath = glob.glob(os.path.join(oeb_dir, '*.opf'))[0]
opf = OPF(opfpath, os.path.dirname(opfpath))
self.write(PDFWriter, [s.path for s in opf.spine],
getattr(opf, 'toc', None))
def convert_text(self, oeb_book):
from calibre.ebooks.pdf.writer import PDFWriter
from calibre.ebooks.metadata.opf2 import OPF
self.log.debug('Serializing oeb input to disk for processing...')
self.get_cover_data()
if iswindows:
self.remove_font_specification()
else:
self.handle_embedded_fonts()
with TemporaryDirectory('_pdf_out') as oeb_dir:
from calibre.customize.ui import plugin_for_output_format
oeb_output = plugin_for_output_format('oeb')
oeb_output.convert(oeb_book, oeb_dir, self.input_plugin, self.opts, self.log)
opfpath = glob.glob(os.path.join(oeb_dir, '*.opf'))[0]
opf = OPF(opfpath, os.path.dirname(opfpath))
self.write(PDFWriter, [s.path for s in opf.spine], getattr(opf,
'toc', None))
def convert_text(self, oeb_book):
from calibre.ebooks.metadata.opf2 import OPF
from calibre.ebooks.pdf.render.from_html import PDFWriter
self.log.debug('Serializing oeb input to disk for processing...')
self.get_cover_data()
self.process_fonts()
if self.opts.pdf_use_document_margins and self.stored_page_margins:
import json
for href, margins in iteritems(self.stored_page_margins):
item = oeb_book.manifest.hrefs.get(href)
if item is not None:
root = item.data
if hasattr(root, 'xpath') and margins:
root.set('data-calibre-pdf-output-page-margins', json.dumps(margins))
# Remove javascript
for item in self.oeb.spine:
root = item.data
if hasattr(root, 'xpath'):
for script in root.xpath('//*[local-name()="script"]'):
script.text = None
script.attrib.clear()
for elem in root.iter('*'):
for attr in tuple(elem.attrib):
if attr.startswith('on'):
elem.set(attr, '')
with TemporaryDirectory('_pdf_out') as oeb_dir:
from calibre.customize.ui import plugin_for_output_format
oeb_output = plugin_for_output_format('oeb')
oeb_output.convert(oeb_book, oeb_dir, self.input_plugin, self.opts, self.log)
opfpath = glob.glob(os.path.join(oeb_dir, '*.opf'))[0]
opf = OPF(opfpath, os.path.dirname(opfpath))
self.write(PDFWriter, [s.path for s in opf.spine], getattr(opf,
'toc', None))
def convert_text(self, oeb_book):
from calibre.ebooks.metadata.opf2 import OPF
if self.opts.old_pdf_engine:
from calibre.ebooks.pdf.writer import PDFWriter
PDFWriter
else:
from calibre.ebooks.pdf.render.from_html import PDFWriter
self.log.debug('Serializing oeb input to disk for processing...')
self.get_cover_data()
self.handle_embedded_fonts()
with TemporaryDirectory('_pdf_out') as oeb_dir:
from calibre.customize.ui import plugin_for_output_format
oeb_output = plugin_for_output_format('oeb')
oeb_output.convert(oeb_book, oeb_dir, self.input_plugin, self.opts,
self.log)
opfpath = glob.glob(os.path.join(oeb_dir, '*.opf'))[0]
opf = OPF(opfpath, os.path.dirname(opfpath))
self.write(PDFWriter, [s.path for s in opf.spine],
getattr(opf, 'toc', None))
def do_book(self):
if self.i >= len(self.book_ids):
return self.do_queue()
book_id = self.book_ids[self.i]
self.i += 1
temp_files = []
try:
input_format = get_input_format_for_book(self.db, book_id, None)[0]
input_fmt = self.db.original_fmt(book_id, input_format).lower()
same_fmt = input_fmt == self.output_format.lower()
mi, opf_file = create_opf_file(self.db, book_id)
in_file = PersistentTemporaryFile('.'+input_format)
with in_file:
self.db.copy_format_to(book_id, input_fmt, in_file,
index_is_id=True)
out_file = PersistentTemporaryFile('.' + self.output_format)
out_file.write(self.output_format)
out_file.close()
temp_files = [in_file]
combined_recs = GuiRecommendations()
default_recs = bulk_defaults_for_input_format(input_format)
for key in default_recs:
combined_recs[key] = default_recs[key]
if self.use_saved_single_settings:
specific_recs = load_specifics(self.db, book_id)
for key in specific_recs:
combined_recs[key] = specific_recs[key]
for item in self.user_recs:
combined_recs[item[0]] = item[1]
save_specifics(self.db, book_id, combined_recs)
lrecs = list(combined_recs.to_recommendations())
from calibre.customize.ui import plugin_for_output_format
op = plugin_for_output_format(self.output_format)
if op and op.recommendations:
prec = {x[0] for x in op.recommendations}
for i, r in enumerate(list(lrecs)):
if r[0] in prec:
lrecs[i] = (r[0], r[1], OptionRecommendation.HIGH)
cover_file = create_cover_file(self.db, book_id)
if opf_file is not None:
lrecs.append(('read_metadata_from_opf', opf_file.name,
OptionRecommendation.HIGH))
temp_files.append(opf_file)
if cover_file is not None:
lrecs.append(('cover', cover_file.name,
OptionRecommendation.HIGH))
temp_files.append(cover_file)
for x in list(lrecs):
if x[0] == 'debug_pipeline':
lrecs.remove(x)
try:
dtitle = unicode(mi.title)
except:
dtitle = repr(mi.title)
if len(dtitle) > 50:
dtitle = dtitle[:50].rpartition(' ')[0]+'...'
self.setLabelText(_('Queueing ')+dtitle)
desc = _('Convert book %(num)d of %(tot)d (%(title)s)') % dict(
num=self.i, tot=len(self.book_ids), title=dtitle)
args = [in_file.name, out_file.name, lrecs]
temp_files.append(out_file)
func = 'gui_convert_override'
if same_fmt:
func += ':same_fmt'
self.jobs.append((func, args, desc, self.output_format.upper(), book_id, temp_files))
self.changed = True
self.setValue(self.i)
except NoSupportedInputFormats:
self.bad.append(book_id)
QTimer.singleShot(0, self.do_book)
def __init__(self, input, output, log, report_progress=DummyReporter(),
dummy=False, merge_plugin_recs=True, abort_after_input_dump=False,
override_input_metadata=False):
'''
:param input: Path to input file.
:param output: Path to output file/directory
'''
if isbytestring(input):
input = input.decode(filesystem_encoding)
if isbytestring(output):
output = output.decode(filesystem_encoding)
self.original_input_arg = input
self.input = os.path.abspath(input)
self.output = os.path.abspath(output)
self.log = log
self.ui_reporter = report_progress
self.abort_after_input_dump = abort_after_input_dump
self.override_input_metadata = override_input_metadata
# Pipeline options {{{
# Initialize the conversion options that are independent of input and
# output formats. The input and output plugins can still disable these
# options via recommendations.
self.pipeline_options = [
OptionRecommendation(name='verbose',
recommended_value=0, level=OptionRecommendation.LOW,
short_switch='v',
help=_('Level of verbosity. Specify multiple times for greater '
'verbosity.')
),
OptionRecommendation(name='debug_pipeline',
recommended_value=None, level=OptionRecommendation.LOW,
short_switch='d',
help=_('Save the output from different stages of the conversion '
'pipeline to the specified '
'directory. Useful if you are unsure at which stage '
'of the conversion process a bug is occurring.')
),
OptionRecommendation(name='input_profile',
recommended_value='default', level=OptionRecommendation.LOW,
choices=[x.short_name for x in input_profiles()],
help=_('Specify the input profile. The input profile gives the '
'conversion system information on how to interpret '
'various information in the input document. For '
'example resolution dependent lengths (i.e. lengths in '
'pixels). Choices are:')+\
', '.join([x.short_name for x in input_profiles()])
),
OptionRecommendation(name='output_profile',
recommended_value='default', level=OptionRecommendation.LOW,
choices=[x.short_name for x in output_profiles()],
help=_('Specify the output profile. The output profile '
'tells the conversion system how to optimize the '
'created document for the specified device. In some cases, '
'an output profile is required to produce documents that '
'will work on a device. For example EPUB on the SONY reader. '
'Choices are:') + \
', '.join([x.short_name for x in output_profiles()])
),
OptionRecommendation(name='base_font_size',
recommended_value=0, level=OptionRecommendation.LOW,
help=_('The base font size in pts. All font sizes in the produced book '
'will be rescaled based on this size. By choosing a larger '
'size you can make the fonts in the output bigger and vice '
'versa. By default, the base font size is chosen based on '
'the output profile you chose.'
)
),
OptionRecommendation(name='font_size_mapping',
recommended_value=None, level=OptionRecommendation.LOW,
help=_('Mapping from CSS font names to font sizes in pts. '
'An example setting is 12,12,14,16,18,20,22,24. '
'These are the mappings for the sizes xx-small to xx-large, '
'with the final size being for huge fonts. The font '
'rescaling algorithm uses these sizes to intelligently '
'rescale fonts. The default is to use a mapping based on '
'the output profile you chose.'
)
),
OptionRecommendation(name='disable_font_rescaling',
recommended_value=False, level=OptionRecommendation.LOW,
help=_('Disable all rescaling of font sizes.'
)
),
OptionRecommendation(name='minimum_line_height',
recommended_value=120.0, level=OptionRecommendation.LOW,
help=_(
'The minimum line height, as a percentage of the element\'s '
'calculated font size. calibre will ensure that every element '
'has a line height of at least this setting, irrespective of '
'what the input document specifies. Set to zero to disable. '
'Default is 120%. Use this setting in preference to '
'the direct line height specification, unless you know what '
'you are doing. For example, you can achieve "double spaced" '
'text by setting this to 240.'
)
),
OptionRecommendation(name='line_height',
recommended_value=0, level=OptionRecommendation.LOW,
help=_(
'The line height in pts. Controls spacing between consecutive '
'lines of text. Only applies to elements that do not define '
'their own line height. In most cases, the minimum line height '
'option is more useful. '
'By default no line height manipulation is performed.'
)
),
OptionRecommendation(name='linearize_tables',
recommended_value=False, level=OptionRecommendation.LOW,
help=_('Some badly designed documents use tables to control the '
'layout of text on the page. When converted these documents '
'often have text that runs off the page and other artifacts. '
'This option will extract the content from the tables and '
'present it in a linear fashion.'
)
),
OptionRecommendation(name='level1_toc',
recommended_value=None, level=OptionRecommendation.LOW,
help=_('XPath expression that specifies all tags that '
'should be added to the Table of Contents at level one. If '
'this is specified, it takes precedence over other forms '
'of auto-detection.'
' See the XPath Tutorial in the calibre User Manual for examples.'
)
),
OptionRecommendation(name='level2_toc',
recommended_value=None, level=OptionRecommendation.LOW,
help=_('XPath expression that specifies all tags that should be '
'added to the Table of Contents at level two. Each entry is added '
'under the previous level one entry.'
' See the XPath Tutorial in the calibre User Manual for examples.'
)
),
OptionRecommendation(name='level3_toc',
recommended_value=None, level=OptionRecommendation.LOW,
help=_('XPath expression that specifies all tags that should be '
'added to the Table of Contents at level three. Each entry '
'is added under the previous level two entry.'
' See the XPath Tutorial in the calibre User Manual for examples.'
)
),
OptionRecommendation(name='use_auto_toc',
recommended_value=False, level=OptionRecommendation.LOW,
help=_('Normally, if the source file already has a Table of '
'Contents, it is used in preference to the auto-generated one. '
'With this option, the auto-generated one is always used.'
)
),
OptionRecommendation(name='no_chapters_in_toc',
recommended_value=False, level=OptionRecommendation.LOW,
help=_("Don't add auto-detected chapters to the Table of "
'Contents.'
)
),
OptionRecommendation(name='toc_threshold',
recommended_value=6, level=OptionRecommendation.LOW,
help=_(
'If fewer than this number of chapters is detected, then links '
'are added to the Table of Contents. Default: %default')
),
OptionRecommendation(name='max_toc_links',
recommended_value=50, level=OptionRecommendation.LOW,
help=_('Maximum number of links to insert into the TOC. Set to 0 '
'to disable. Default is: %default. Links are only added to the '
'TOC if less than the threshold number of chapters were detected.'
)
),
OptionRecommendation(name='toc_filter',
recommended_value=None, level=OptionRecommendation.LOW,
help=_('Remove entries from the Table of Contents whose titles '
'match the specified regular expression. Matching entries and all '
'their children are removed.'
)
),
OptionRecommendation(name='duplicate_links_in_toc',
recommended_value=False, level=OptionRecommendation.LOW,
help=_('When creating a TOC from links in the input document, '
'allow duplicate entries, i.e. allow more than one entry '
'with the same text, provided that they point to a '
'different location.')
),
OptionRecommendation(name='chapter',
recommended_value="//*[((name()='h1' or name()='h2') and "
r"re:test(., '\s*((chapter|book|section|part)\s+)|((prolog|prologue|epilogue)(\s+|$))', 'i')) or @class "
"= 'chapter']", level=OptionRecommendation.LOW,
help=_('An XPath expression to detect chapter titles. The default '
'is to consider <h1> or <h2> tags that contain the words '
'"chapter","book","section", "prologue", "epilogue", or "part" as chapter titles as '
'well as any tags that have class="chapter". The expression '
'used must evaluate to a list of elements. To disable chapter '
'detection, use the expression "/". See the XPath Tutorial '
'in the calibre User Manual for further help on using this '
'feature.'
)
),
OptionRecommendation(name='chapter_mark',
recommended_value='pagebreak', level=OptionRecommendation.LOW,
choices=['pagebreak', 'rule', 'both', 'none'],
help=_('Specify how to mark detected chapters. A value of '
'"pagebreak" will insert page breaks before chapters. '
'A value of "rule" will insert a line before chapters. '
'A value of "none" will disable chapter marking and a '
'value of "both" will use both page breaks and lines '
'to mark chapters.')
),
OptionRecommendation(name='extra_css',
recommended_value=None, level=OptionRecommendation.LOW,
help=_('Either the path to a CSS stylesheet or raw CSS. '
'This CSS will be appended to the style rules from '
'the source file, so it can be used to override those '
'rules.')
),
OptionRecommendation(name='filter_css',
recommended_value=None, level=OptionRecommendation.LOW,
help=_('A comma separated list of CSS properties that '
'will be removed from all CSS style rules. This is useful '
'if the presence of some style information prevents it '
'from being overridden on your device. '
'For example: '
'font-family,color,margin-left,margin-right')
),
OptionRecommendation(name='page_breaks_before',
recommended_value="//*[name()='h1' or name()='h2']",
level=OptionRecommendation.LOW,
help=_('An XPath expression. Page breaks are inserted '
'before the specified elements.')
),
OptionRecommendation(name='remove_fake_margins',
recommended_value=True, level=OptionRecommendation.LOW,
help=_('Some documents specify page margins by '
'specifying a left and right margin on each individual '
'paragraph. calibre will try to detect and remove these '
'margins. Sometimes, this can cause the removal of '
'margins that should not have been removed. In this '
'case you can disable the removal.')
),
OptionRecommendation(name='margin_top',
recommended_value=5.0, level=OptionRecommendation.LOW,
help=_('Set the top margin in pts. Default is %default. '
'Setting this to less than zero will cause no margin to be set. '
'Note: 72 pts equals 1 inch')),
OptionRecommendation(name='margin_bottom',
recommended_value=5.0, level=OptionRecommendation.LOW,
help=_('Set the bottom margin in pts. Default is %default. '
'Setting this to less than zero will cause no margin to be set. '
'Note: 72 pts equals 1 inch')),
OptionRecommendation(name='margin_left',
recommended_value=5.0, level=OptionRecommendation.LOW,
help=_('Set the left margin in pts. Default is %default. '
'Setting this to less than zero will cause no margin to be set. '
'Note: 72 pts equals 1 inch')),
OptionRecommendation(name='margin_right',
recommended_value=5.0, level=OptionRecommendation.LOW,
help=_('Set the right margin in pts. Default is %default. '
'Setting this to less than zero will cause no margin to be set. '
'Note: 72 pts equals 1 inch')),
OptionRecommendation(name='change_justification',
recommended_value='original', level=OptionRecommendation.LOW,
choices=['left','justify','original'],
help=_('Change text justification. A value of "left" converts all'
' justified text in the source to left aligned (i.e. '
'unjustified) text. A value of "justify" converts all '
'unjustified text to justified. A value of "original" '
'(the default) does not change justification in the '
'source file. Note that only some output formats support '
'justification.')),
OptionRecommendation(name='remove_paragraph_spacing',
recommended_value=False, level=OptionRecommendation.LOW,
help=_('Remove spacing between paragraphs. Also sets an indent on '
'paragraphs of 1.5em. Spacing removal will not work '
'if the source file does not use paragraphs (<p> or <div> tags).')
),
OptionRecommendation(name='remove_paragraph_spacing_indent_size',
recommended_value=1.5, level=OptionRecommendation.LOW,
help=_('When calibre removes blank lines between paragraphs, it automatically '
'sets a paragraph indent, to ensure that paragraphs can be easily '
'distinguished. This option controls the width of that indent (in em). '
'If you set this value negative, then the indent specified in the input '
'document is used, that is, calibre does not change the indentation.')
),
OptionRecommendation(name='prefer_metadata_cover',
recommended_value=False, level=OptionRecommendation.LOW,
help=_('Use the cover detected from the source file in preference '
'to the specified cover.')
),
OptionRecommendation(name='insert_blank_line',
recommended_value=False, level=OptionRecommendation.LOW,
help=_('Insert a blank line between paragraphs. Will not work '
'if the source file does not use paragraphs (<p> or <div> tags).'
)
),
OptionRecommendation(name='insert_blank_line_size',
recommended_value=0.5, level=OptionRecommendation.LOW,
help=_('Set the height of the inserted blank lines (in em).'
' The height of the lines between paragraphs will be twice the value'
' set here.')
),
OptionRecommendation(name='remove_first_image',
recommended_value=False, level=OptionRecommendation.LOW,
help=_('Remove the first image from the input ebook. Useful if the '
'input document has a cover image that is not identified as a cover. '
'In this case, if you set a cover in calibre, the output document will '
'end up with two cover images if you do not specify this option.'
)
),
OptionRecommendation(name='insert_metadata',
recommended_value=False, level=OptionRecommendation.LOW,
help=_('Insert the book metadata at the start of '
'the book. This is useful if your ebook reader does not support '
'displaying/searching metadata directly.'
)
),
OptionRecommendation(name='smarten_punctuation',
recommended_value=False, level=OptionRecommendation.LOW,
help=_('Convert plain quotes, dashes and ellipsis to their '
'typographically correct equivalents. For details, see '
'http://daringfireball.net/projects/smartypants'
)
),
OptionRecommendation(name='unsmarten_punctuation',
recommended_value=False, level=OptionRecommendation.LOW,
help=_('Convert fancy quotes, dashes and ellipsis to their '
'plain equivalents.'
)
),
OptionRecommendation(name='read_metadata_from_opf',
recommended_value=None, level=OptionRecommendation.LOW,
short_switch='m',
help=_('Read metadata from the specified OPF file. Metadata read '
'from this file will override any metadata in the source '
'file.')
),
OptionRecommendation(name='asciiize',
recommended_value=False, level=OptionRecommendation.LOW,
help=(_('Transliterate unicode characters to an ASCII '
'representation. Use with care because this will replace '
'unicode characters with ASCII. For instance it will replace "%s" '
'with "Mikhail Gorbachiov". Also, note that in '
'cases where there are multiple representations of a character '
'(characters shared by Chinese and Japanese for instance) the '
'representation based on the current calibre interface language will be '
'used.')%\
u'\u041c\u0438\u0445\u0430\u0438\u043b '
u'\u0413\u043e\u0440\u0431\u0430\u0447\u0451\u0432'
)
),
OptionRecommendation(name='keep_ligatures',
recommended_value=False, level=OptionRecommendation.LOW,
help=_('Preserve ligatures present in the input document. '
'A ligature is a special rendering of a pair of '
'characters like ff, fi, fl et cetera. '
'Most readers do not have support for '
'ligatures in their default fonts, so they are '
'unlikely to render correctly. By default, calibre '
'will turn a ligature into the corresponding pair of normal '
'characters. This option will preserve them instead.')
),
OptionRecommendation(name='title',
recommended_value=None, level=OptionRecommendation.LOW,
help=_('Set the title.')),
OptionRecommendation(name='authors',
recommended_value=None, level=OptionRecommendation.LOW,
help=_('Set the authors. Multiple authors should be separated by '
'ampersands.')),
OptionRecommendation(name='title_sort',
recommended_value=None, level=OptionRecommendation.LOW,
help=_('The version of the title to be used for sorting. ')),
OptionRecommendation(name='author_sort',
recommended_value=None, level=OptionRecommendation.LOW,
help=_('String to be used when sorting by author. ')),
OptionRecommendation(name='cover',
recommended_value=None, level=OptionRecommendation.LOW,
help=_('Set the cover to the specified file or URL')),
OptionRecommendation(name='comments',
recommended_value=None, level=OptionRecommendation.LOW,
help=_('Set the ebook description.')),
OptionRecommendation(name='publisher',
recommended_value=None, level=OptionRecommendation.LOW,
help=_('Set the ebook publisher.')),
OptionRecommendation(name='series',
recommended_value=None, level=OptionRecommendation.LOW,
help=_('Set the series this ebook belongs to.')),
OptionRecommendation(name='series_index',
recommended_value=None, level=OptionRecommendation.LOW,
help=_('Set the index of the book in this series.')),
OptionRecommendation(name='rating',
recommended_value=None, level=OptionRecommendation.LOW,
help=_('Set the rating. Should be a number between 1 and 5.')),
OptionRecommendation(name='isbn',
recommended_value=None, level=OptionRecommendation.LOW,
help=_('Set the ISBN of the book.')),
OptionRecommendation(name='tags',
recommended_value=None, level=OptionRecommendation.LOW,
help=_('Set the tags for the book. Should be a comma separated list.')),
OptionRecommendation(name='book_producer',
recommended_value=None, level=OptionRecommendation.LOW,
help=_('Set the book producer.')),
OptionRecommendation(name='language',
recommended_value=None, level=OptionRecommendation.LOW,
help=_('Set the language.')),
OptionRecommendation(name='pubdate',
recommended_value=None, level=OptionRecommendation.LOW,
help=_('Set the publication date.')),
OptionRecommendation(name='timestamp',
recommended_value=None, level=OptionRecommendation.LOW,
help=_('Set the book timestamp (no longer used anywhere)')),
OptionRecommendation(name='enable_heuristics',
recommended_value=False, level=OptionRecommendation.LOW,
help=_('Enable heuristic processing. This option must be set for any '
'heuristic processing to take place.')),
OptionRecommendation(name='markup_chapter_headings',
recommended_value=True, level=OptionRecommendation.LOW,
help=_('Detect unformatted chapter headings and sub headings. Change '
'them to h2 and h3 tags. This setting will not create a TOC, '
'but can be used in conjunction with structure detection to create '
'one.')),
OptionRecommendation(name='italicize_common_cases',
recommended_value=True, level=OptionRecommendation.LOW,
help=_('Look for common words and patterns that denote '
'italics and italicize them.')),
OptionRecommendation(name='fix_indents',
recommended_value=True, level=OptionRecommendation.LOW,
help=_('Turn indentation created from multiple non-breaking space entities '
'into CSS indents.')),
OptionRecommendation(name='html_unwrap_factor',
recommended_value=0.40, level=OptionRecommendation.LOW,
help=_('Scale used to determine the length at which a line should '
'be unwrapped. Valid values are a decimal between 0 and 1. The '
'default is 0.4, just below the median line length. If only a '
'few lines in the document require unwrapping this value should '
'be reduced')),
OptionRecommendation(name='unwrap_lines',
recommended_value=True, level=OptionRecommendation.LOW,
help=_('Unwrap lines using punctuation and other formatting clues.')),
OptionRecommendation(name='delete_blank_paragraphs',
recommended_value=True, level=OptionRecommendation.LOW,
help=_('Remove empty paragraphs from the document when they exist between '
'every other paragraph')),
OptionRecommendation(name='format_scene_breaks',
recommended_value=True, level=OptionRecommendation.LOW,
help=_('Left aligned scene break markers are center aligned. '
'Replace soft scene breaks that use multiple blank lines with '
'horizontal rules.')),
OptionRecommendation(name='replace_scene_breaks',
recommended_value='', level=OptionRecommendation.LOW,
help=_('Replace scene breaks with the specified text. By default, the '
'text from the input document is used.')),
OptionRecommendation(name='dehyphenate',
recommended_value=True, level=OptionRecommendation.LOW,
help=_('Analyze hyphenated words throughout the document. The '
'document itself is used as a dictionary to determine whether hyphens '
'should be retained or removed.')),
OptionRecommendation(name='renumber_headings',
recommended_value=True, level=OptionRecommendation.LOW,
help=_('Looks for occurrences of sequential <h1> or <h2> tags. '
'The tags are renumbered to prevent splitting in the middle '
'of chapter headings.')),
OptionRecommendation(name='sr1_search',
recommended_value='', level=OptionRecommendation.LOW,
help=_('Search pattern (regular expression) to be replaced with '
'sr1-replace.')),
OptionRecommendation(name='sr1_replace',
recommended_value='', level=OptionRecommendation.LOW,
help=_('Replacement to replace the text found with sr1-search.')),
OptionRecommendation(name='sr2_search',
recommended_value='', level=OptionRecommendation.LOW,
help=_('Search pattern (regular expression) to be replaced with '
'sr2-replace.')),
OptionRecommendation(name='sr2_replace',
recommended_value='', level=OptionRecommendation.LOW,
help=_('Replacement to replace the text found with sr2-search.')),
OptionRecommendation(name='sr3_search',
recommended_value='', level=OptionRecommendation.LOW,
help=_('Search pattern (regular expression) to be replaced with '
'sr3-replace.')),
OptionRecommendation(name='sr3_replace',
recommended_value='', level=OptionRecommendation.LOW,
help=_('Replacement to replace the text found with sr3-search.')),
OptionRecommendation(name='search_replace',
recommended_value=None, level=OptionRecommendation.LOW, help=_(
'Path to a file containing search and replace regular expressions. '
'The file must contain alternating lines of regular expression '
'followed by replacement pattern (which can be an empty line). '
'The regular expression must be in the python regex syntax and '
'the file must be UTF-8 encoded.')),
]
# }}}
input_fmt = os.path.splitext(self.input)[1]
if not input_fmt:
raise ValueError('Input file must have an extension')
input_fmt = input_fmt[1:].lower().replace('original_', '')
self.archive_input_tdir = None
if input_fmt in ARCHIVE_FMTS:
self.log('Processing archive...')
tdir = PersistentTemporaryDirectory('_plumber_archive')
self.input, input_fmt = self.unarchive(self.input, tdir)
self.archive_input_tdir = tdir
if os.access(self.input, os.R_OK):
nfp = run_plugins_on_preprocess(self.input, input_fmt)
if nfp != self.input:
self.input = nfp
input_fmt = os.path.splitext(self.input)[1]
if not input_fmt:
raise ValueError('Input file must have an extension')
input_fmt = input_fmt[1:].lower()
if os.path.exists(self.output) and os.path.isdir(self.output):
output_fmt = 'oeb'
else:
output_fmt = os.path.splitext(self.output)[1]
if not output_fmt:
output_fmt = '.oeb'
output_fmt = output_fmt[1:].lower()
self.input_plugin = plugin_for_input_format(input_fmt)
self.output_plugin = plugin_for_output_format(output_fmt)
if self.input_plugin is None:
raise ValueError('No plugin to handle input format: '+input_fmt)
if self.output_plugin is None:
raise ValueError('No plugin to handle output format: '+output_fmt)
self.input_fmt = input_fmt
self.output_fmt = output_fmt
self.all_format_options = set()
self.input_options = set()
self.output_options = set()
# Build set of all possible options. Two options are equal if their
# names are the same.
if not dummy:
self.input_options = self.input_plugin.options.union(
self.input_plugin.common_options)
self.output_options = self.output_plugin.options.union(
self.output_plugin.common_options)
else:
for fmt in available_input_formats():
input_plugin = plugin_for_input_format(fmt)
if input_plugin:
self.all_format_options = self.all_format_options.union(
input_plugin.options.union(input_plugin.common_options))
for fmt in available_output_formats():
output_plugin = plugin_for_output_format(fmt)
if output_plugin:
self.all_format_options = self.all_format_options.union(
output_plugin.options.union(output_plugin.common_options))
# Remove the options that have been disabled by recommendations from the
# plugins.
for w in ('input_options', 'output_options',
'all_format_options'):
temp = set([])
for x in getattr(self, w):
temp.add(x.clone())
setattr(self, w, temp)
if merge_plugin_recs:
self.merge_plugin_recommendations()
def do_book(self):
if self.i >= len(self.book_ids):
return self.do_queue()
book_id = self.book_ids[self.i]
self.i += 1
temp_files = []
try:
input_format = get_input_format_for_book(self.db, book_id, None)[0]
input_fmt = self.db.original_fmt(book_id, input_format).lower()
same_fmt = input_fmt == self.output_format.lower()
mi, opf_file = create_opf_file(self.db, book_id)
in_file = PersistentTemporaryFile('.' + input_format)
with in_file:
self.db.copy_format_to(book_id,
input_fmt,
in_file,
index_is_id=True)
out_file = PersistentTemporaryFile('.' + self.output_format)
out_file.write(self.output_format)
out_file.close()
temp_files = [in_file]
combined_recs = GuiRecommendations()
default_recs = bulk_defaults_for_input_format(input_format)
for key in default_recs:
combined_recs[key] = default_recs[key]
if self.use_saved_single_settings:
specific_recs = load_specifics(self.db, book_id)
for key in specific_recs:
combined_recs[key] = specific_recs[key]
for item in self.user_recs:
combined_recs[item[0]] = item[1]
save_specifics(self.db, book_id, combined_recs)
lrecs = list(combined_recs.to_recommendations())
from calibre.customize.ui import plugin_for_output_format
op = plugin_for_output_format(self.output_format)
if op and op.recommendations:
prec = {x[0] for x in op.recommendations}
for i, r in enumerate(list(lrecs)):
if r[0] in prec:
lrecs[i] = (r[0], r[1], OptionRecommendation.HIGH)
cover_file = create_cover_file(self.db, book_id)
if opf_file is not None:
lrecs.append(('read_metadata_from_opf', opf_file.name,
OptionRecommendation.HIGH))
temp_files.append(opf_file)
if cover_file is not None:
lrecs.append(
('cover', cover_file.name, OptionRecommendation.HIGH))
temp_files.append(cover_file)
for x in list(lrecs):
if x[0] == 'debug_pipeline':
lrecs.remove(x)
try:
dtitle = unicode(mi.title)
except:
dtitle = repr(mi.title)
if len(dtitle) > 50:
dtitle = dtitle[:50].rpartition(' ')[0] + '...'
self.setLabelText(_('Queueing ') + dtitle)
desc = _('Convert book %(num)d of %(tot)d (%(title)s)') % dict(
num=self.i, tot=len(self.book_ids), title=dtitle)
args = [in_file.name, out_file.name, lrecs]
temp_files.append(out_file)
func = 'gui_convert_override'
if same_fmt:
func += ':same_fmt'
self.jobs.append((func, args, desc, self.output_format.upper(),
book_id, temp_files))
self.changed = True
self.setValue(self.i)
except NoSupportedInputFormats:
self.bad.append(book_id)
QTimer.singleShot(0, self.do_book)
def convert(self, oeb, output_path, input_plugin, opts, log):
self.log, self.opts, self.oeb = log, opts, oeb
if self.opts.epub_inline_toc:
from calibre.ebooks.mobi.writer8.toc import TOCAdder
opts.mobi_toc_at_start = not opts.epub_toc_at_end
opts.mobi_passthrough = False
opts.no_inline_toc = False
TOCAdder(oeb,
opts,
replace_previous_inline_toc=True,
ignore_existing_toc=True)
if self.opts.epub_flatten:
from calibre.ebooks.oeb.transforms.filenames import FlatFilenames
FlatFilenames()(oeb, opts)
else:
from calibre.ebooks.oeb.transforms.filenames import UniqueFilenames
UniqueFilenames()(oeb, opts)
self.workaround_ade_quirks()
self.workaround_webkit_quirks()
self.upshift_markup()
from calibre.ebooks.oeb.transforms.rescale import RescaleImages
RescaleImages(check_colorspaces=True)(oeb, opts)
from calibre.ebooks.oeb.transforms.split import Split
split = Split(not self.opts.dont_split_on_page_breaks,
max_flow_size=self.opts.flow_size * 1024)
split(self.oeb, self.opts)
from calibre.ebooks.oeb.transforms.cover import CoverManager
cm = CoverManager(
no_default_cover=self.opts.no_default_epub_cover,
no_svg_cover=self.opts.no_svg_cover,
preserve_aspect_ratio=self.opts.preserve_cover_aspect_ratio)
cm(self.oeb, self.opts, self.log)
self.workaround_sony_quirks()
if self.oeb.toc.count() == 0:
self.log.warn('This EPUB file has no Table of Contents. '
'Creating a default TOC')
first = next(iter(self.oeb.spine))
self.oeb.toc.add(_('Start'), first.href)
from calibre.ebooks.oeb.base import OPF
identifiers = oeb.metadata['identifier']
uuid = None
for x in identifiers:
if x.get(OPF('scheme'),
None).lower() == 'uuid' or str(x).startswith('urn:uuid:'):
uuid = str(x).split(':')[-1]
break
encrypted_fonts = getattr(input_plugin, 'encrypted_fonts', [])
if uuid is None:
self.log.warn('No UUID identifier found')
from uuid import uuid4
uuid = str(uuid4())
oeb.metadata.add('identifier', uuid, scheme='uuid', id=uuid)
if encrypted_fonts and not uuid.startswith('urn:uuid:'):
# Apparently ADE requires this value to start with urn:uuid:
# for some absurd reason, or it will throw a hissy fit and refuse
# to use the obfuscated fonts.
for x in identifiers:
if str(x) == uuid:
x.content = 'urn:uuid:' + uuid
with TemporaryDirectory('_epub_output') as tdir:
from calibre.customize.ui import plugin_for_output_format
metadata_xml = None
extra_entries = []
if self.is_periodical:
if self.opts.output_profile.epub_periodical_format == 'sony':
from calibre.ebooks.epub.periodical import sony_metadata
metadata_xml, atom_xml = sony_metadata(oeb)
extra_entries = [('atom.xml', 'application/atom+xml',
atom_xml)]
oeb_output = plugin_for_output_format('oeb')
oeb_output.convert(oeb, tdir, input_plugin, opts, log)
opf = [x for x in os.listdir(tdir) if x.endswith('.opf')][0]
self.condense_ncx([
os.path.join(tdir, x) for x in os.listdir(tdir)
if x.endswith('.ncx')
][0])
encryption = None
if encrypted_fonts:
encryption = self.encrypt_fonts(encrypted_fonts, tdir, uuid)
from calibre.ebooks.epub import initialize_container
with initialize_container(output_path,
os.path.basename(opf),
extra_entries=extra_entries) as epub:
epub.add_dir(tdir)
if encryption is not None:
epub.writestr('META-INF/encryption.xml', encryption)
if metadata_xml is not None:
epub.writestr('META-INF/metadata.xml',
metadata_xml.encode('utf-8'))
if opts.extract_to is not None:
from calibre.utils.zipfile import ZipFile
if os.path.exists(opts.extract_to):
if os.path.isdir(opts.extract_to):
shutil.rmtree(opts.extract_to)
else:
os.remove(opts.extract_to)
os.mkdir(opts.extract_to)
with ZipFile(output_path) as zf:
zf.extractall(path=opts.extract_to)
self.log.info('EPUB extracted to', opts.extract_to)
def convert(self, oeb, output_path, input_plugin, opts, log):
self.log, self.opts, self.oeb = log, opts, oeb
if self.opts.epub_inline_toc:
from calibre.ebooks.mobi.writer8.toc import TOCAdder
opts.mobi_toc_at_start = not opts.epub_toc_at_end
opts.mobi_passthrough = False
opts.no_inline_toc = False
TOCAdder(oeb, opts, replace_previous_inline_toc=True, ignore_existing_toc=True)
if self.opts.epub_flatten:
from calibre.ebooks.oeb.transforms.filenames import FlatFilenames
FlatFilenames()(oeb, opts)
else:
from calibre.ebooks.oeb.transforms.filenames import UniqueFilenames
UniqueFilenames()(oeb, opts)
self.workaround_ade_quirks()
self.workaround_webkit_quirks()
self.upshift_markup()
from calibre.ebooks.oeb.transforms.rescale import RescaleImages
RescaleImages(check_colorspaces=True)(oeb, opts)
from calibre.ebooks.oeb.transforms.split import Split
split = Split(not self.opts.dont_split_on_page_breaks,
max_flow_size=self.opts.flow_size*1024
)
split(self.oeb, self.opts)
from calibre.ebooks.oeb.transforms.cover import CoverManager
cm = CoverManager(
no_default_cover=self.opts.no_default_epub_cover,
no_svg_cover=self.opts.no_svg_cover,
preserve_aspect_ratio=self.opts.preserve_cover_aspect_ratio)
cm(self.oeb, self.opts, self.log)
self.workaround_sony_quirks()
if self.oeb.toc.count() == 0:
self.log.warn('This EPUB file has no Table of Contents. '
'Creating a default TOC')
first = iter(self.oeb.spine).next()
self.oeb.toc.add(_('Start'), first.href)
from calibre.ebooks.oeb.base import OPF
identifiers = oeb.metadata['identifier']
uuid = None
for x in identifiers:
if x.get(OPF('scheme'), None).lower() == 'uuid' or unicode(x).startswith('urn:uuid:'):
uuid = unicode(x).split(':')[-1]
break
encrypted_fonts = getattr(input_plugin, 'encrypted_fonts', [])
if uuid is None:
self.log.warn('No UUID identifier found')
from uuid import uuid4
uuid = str(uuid4())
oeb.metadata.add('identifier', uuid, scheme='uuid', id=uuid)
if encrypted_fonts and not uuid.startswith('urn:uuid:'):
# Apparently ADE requires this value to start with urn:uuid:
# for some absurd reason, or it will throw a hissy fit and refuse
# to use the obfuscated fonts.
for x in identifiers:
if unicode(x) == uuid:
x.content = 'urn:uuid:'+uuid
with TemporaryDirectory(u'_epub_output') as tdir:
from calibre.customize.ui import plugin_for_output_format
metadata_xml = None
extra_entries = []
if self.is_periodical:
if self.opts.output_profile.epub_periodical_format == 'sony':
from calibre.ebooks.epub.periodical import sony_metadata
metadata_xml, atom_xml = sony_metadata(oeb)
extra_entries = [(u'atom.xml', 'application/atom+xml', atom_xml)]
oeb_output = plugin_for_output_format('oeb')
oeb_output.convert(oeb, tdir, input_plugin, opts, log)
opf = [x for x in os.listdir(tdir) if x.endswith('.opf')][0]
self.condense_ncx([os.path.join(tdir, x) for x in os.listdir(tdir)
if x.endswith('.ncx')][0])
if self.opts.epub_version == '3':
self.upgrade_to_epub3(tdir, opf)
encryption = None
if encrypted_fonts:
encryption = self.encrypt_fonts(encrypted_fonts, tdir, uuid)
from calibre.ebooks.epub import initialize_container
with initialize_container(output_path, os.path.basename(opf),
extra_entries=extra_entries) as epub:
epub.add_dir(tdir)
if encryption is not None:
epub.writestr('META-INF/encryption.xml', encryption)
if metadata_xml is not None:
epub.writestr('META-INF/metadata.xml',
metadata_xml.encode('utf-8'))
if opts.extract_to is not None:
from calibre.utils.zipfile import ZipFile
if os.path.exists(opts.extract_to):
if os.path.isdir(opts.extract_to):
shutil.rmtree(opts.extract_to)
else:
os.remove(opts.extract_to)
os.mkdir(opts.extract_to)
with ZipFile(output_path) as zf:
zf.extractall(path=opts.extract_to)
self.log.info('EPUB extracted to', opts.extract_to)
