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Implement Bulk conversion of ebooks

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This commit is contained in:
Kovid Goyal 2008-02-21 04:23:10 +00:00
parent 4f88faf537
commit 87c34c73cc
3 changed files with 103 additions and 17 deletions
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15
src/libprs500/ebooks/lrf/__init__.py
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@ -33,6 +33,21 @@ from libprs500 import __appname__, __version__, __author__, iswindows, OptionPar
__docformat__ = "epytext"
preferred_source_formats = [
'LIT',
'MOBI',
'HTML',
'HTM',
'XHTM',
'XHTML',
'PRC',
'RTF',
'PDF',
'TXT',
'ZIP',
'RAR'
]
class LRFParseError(Exception):
pass

42
src/libprs500/gui2/dialogs/lrf_single.py
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@ -47,6 +47,18 @@ class LRFSingleDialog(QDialog, Ui_LRFSingleDialog):
src = opt.get_opt_string()
return 'gui_' + src[2:].replace('-', '_')
def initialize_common(self):
self.output_format = 'LRF'
self.setup_tooltips()
self.initialize_options()
global font_family_model
if font_family_model is None:
font_family_model = FontFamilyModel()
self.font_family_model = font_family_model
self.gui_serif_family.setModel(self.font_family_model)
self.gui_sans_family.setModel(self.font_family_model)
self.gui_mono_family.setModel(self.font_family_model)
def __init__(self, window, db, row):
QDialog.__init__(self, window)
Ui_LRFSingleDialog.__init__(self)
@ -57,22 +69,13 @@ class LRFSingleDialog(QDialog, Ui_LRFSingleDialog):
QObject.connect(self.cover_button, SIGNAL("clicked(bool)"), self.select_cover)
self.categoryList.leaveEvent = self.reset_help
self.reset_help()
self.output_format = 'LRF'
self.selected_format = None
self.setup_tooltips()
self.initialize_options()
self.initialize_common()
self.db = db
self.row = row
self.cover_changed = False
self.cpixmap = None
self.changed = False
global font_family_model
if font_family_model is None:
font_family_model = FontFamilyModel()
self.font_family_model = font_family_model
self.gui_serif_family.setModel(self.font_family_model)
self.gui_sans_family.setModel(self.font_family_model)
self.gui_mono_family.setModel(self.font_family_model)
self.load_saved_global_defaults()
@ -379,4 +382,23 @@ class LRFSingleDialog(QDialog, Ui_LRFSingleDialog):
else:
QSettings().setValue('LRF conversion defaults', QVariant(QByteArray(cPickle.dumps(cmdline))))
QDialog.accept(self)
class LRFBulkDialog(LRFSingleDialog):
def __init__(self, window):
QDialog.__init__(self, window)
Ui_LRFSingleDialog.__init__(self)
self.setupUi(self)
self.categoryList.takeItem(0)
self.stack.removeWidget(self.stack.widget(0))
self.categoryList.setCurrentRow(0)
self.initialize_common()
self.setWindowTitle(_('Bulk convert ebooks to LRF'))
def accept(self):
self.cmdline = self.cmdline = [unicode(i) for i in self.build_commandline()]
self.cover_file = None
QDialog.accept(self)

63
src/libprs500/gui2/main.py
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@ -42,7 +42,7 @@ from libprs500.gui2.dialogs.metadata_single import MetadataSingleDialog
from libprs500.gui2.dialogs.metadata_bulk import MetadataBulkDialog
from libprs500.gui2.dialogs.jobs import JobsDialog
from libprs500.gui2.dialogs.conversion_error import ConversionErrorDialog
from libprs500.gui2.dialogs.lrf_single import LRFSingleDialog
from libprs500.gui2.dialogs.lrf_single import LRFSingleDialog, LRFBulkDialog
from libprs500.gui2.dialogs.config import ConfigDialog
from libprs500.gui2.dialogs.search import SearchDialog
from libprs500.gui2.dialogs.user_profiles import UserProfiles
@ -52,6 +52,7 @@ from libprs500.library.database import DatabaseLocked
from libprs500.ebooks.metadata.meta import set_metadata
from libprs500.ebooks.metadata import MetaInformation
from libprs500.ebooks import BOOK_EXTENSIONS
from libprs500.ebooks.lrf import preferred_source_formats as LRF_PREFERRED_SOURCE_FORMATS
@ -586,9 +587,61 @@ class Main(MainWindow, Ui_MainWindow):
############################################################################
############################### Convert ####################################
def convert_bulk(self, checked):
d = error_dialog(self, _('Cannot convert'), _('Not yet implemented.'))
rows = self.library_view.selectionModel().selectedRows()
if not rows or len(rows) == 0:
d = error_dialog(self, _('Cannot convert'), _('No books selected'))
d.exec_()
return
d = LRFBulkDialog(self)
d.exec_()
if d.result() != QDialog.Accepted:
return
bad_rows = []
self.status_bar.showMessage('Starting Bulk conversion of %d books'%len(rows), 2000)
for i, row in enumerate([r.row() for r in rows]):
cmdline = list(d.cmdline)
data = None
for fmt in LRF_PREFERRED_SOURCE_FORMATS:
try:
data = self.library_view.model().db.format(row, fmt.upper())
break
except:
continue
if data is None:
bad_rows.append(row)
continue
pt = PersistentTemporaryFile('.'+fmt.lower())
pt.write(data)
pt.close()
of = PersistentTemporaryFile('.lrf')
of.close()
cmdline.extend(['-o', of.name])
cmdline.append(pt.name)
id = self.job_manager.run_conversion_job(self.book_converted,
'any2lrf', args=[cmdline],
job_description='Convert book %d of %d'%(i, len(rows)))
self.conversion_jobs[id] = (d.cover_file, pt, of, d.output_format,
self.library_view.model().db.id(row))
res = []
for row in bad_rows:
title = self.library_view.model().db.title(row)
res.append('<li>%s</li>'%title)
if res:
msg = '<p>Could not convert %d of %d books, because no suitable source format was found.<ul>%s</ul>'%(len(res), len(rows), '\n'.join(res))
warning_dialog(self, 'Could not convert some books', msg).exec_()
def set_conversion_defaults(self, checked):
d = LRFSingleDialog(self, None, None)
@ -600,13 +653,11 @@ class Main(MainWindow, Ui_MainWindow):
d = error_dialog(self, _('Cannot convert'), _('No books selected'))
d.exec_()
changed = False
for row in [r.row() for r in rows]:
d = LRFSingleDialog(self, self.library_view.model().db, row)
if d.selected_format:
d.exec_()
if d.result() == QDialog.Accepted:
changed = True
cmdline = d.cmdline
data = self.library_view.model().db.format(row, d.selected_format)
pt = PersistentTemporaryFile('.'+d.selected_format.lower())
@ -622,9 +673,7 @@ class Main(MainWindow, Ui_MainWindow):
self.conversion_jobs[id] = (d.cover_file, pt, of, d.output_format, d.id)
if changed:
self.library_view.model().resort(reset=False)
self.library_view.model().research()
def book_converted(self, id, description, result, exception, formatted_traceback, log):