def get_pdf_cover(self):
pdfpath = self.formats_manager.get_format_path(self.db, self.book_id,
'pdf')
from calibre.gui2.metadata.pdf_covers import PDFCovers
d = PDFCovers(pdfpath, parent=self)
if d.exec_() == d.Accepted:
cpath = d.cover_path
if cpath:
with open(cpath, 'rb') as f:
self.update_cover(f.read(), 'PDF')
d.cleanup()
def set_cover_from_format(self, book_id, fmt):
from calibre.utils.config import prefs
from calibre.ebooks.metadata.meta import get_metadata
fmt = fmt.lower()
cdata = None
db = self.gui.current_db.new_api
if fmt == 'pdf':
pdfpath = db.format_abspath(book_id, fmt)
if pdfpath is None:
return error_dialog(self.gui, _('Format file missing'), _(
'Cannot read cover as the %s file is missing from this book') % 'PDF', show=True)
from calibre.gui2.metadata.pdf_covers import PDFCovers
d = PDFCovers(pdfpath, parent=self.gui)
ret = d.exec_()
if ret == d.Accepted:
cpath = d.cover_path
if cpath:
with open(cpath, 'rb') as f:
cdata = f.read()
d.cleanup()
if ret != d.Accepted:
return
else:
stream = BytesIO()
try:
db.copy_format_to(book_id, fmt, stream)
except NoSuchFormat:
return error_dialog(self.gui, _('Format file missing'), _(
'Cannot read cover as the %s file is missing from this book') % fmt.upper(), show=True)
old = prefs['read_file_metadata']
if not old:
prefs['read_file_metadata'] = True
try:
stream.seek(0)
mi = get_metadata(stream, fmt)
except Exception:
import traceback
return error_dialog(self.gui, _('Could not read metadata'),
_('Could not read metadata from %s format')%fmt.upper(),
det_msg=traceback.format_exc(), show=True)
finally:
if old != prefs['read_file_metadata']:
prefs['read_file_metadata'] = old
if mi.cover and os.access(mi.cover, os.R_OK):
cdata = open(mi.cover).read()
elif mi.cover_data[1] is not None:
cdata = mi.cover_data[1]
if cdata is None:
return error_dialog(self.gui, _('Could not read cover'),
_('Could not read cover from %s format')%fmt.upper(), show=True)
db.set_cover({book_id:cdata})
current_idx = self.gui.library_view.currentIndex()
self.gui.library_view.model().current_changed(current_idx, current_idx)
self.gui.refresh_cover_browser()
def set_cover_from_format(self, book_id, fmt):
from calibre.ebooks.metadata.meta import get_metadata
from calibre.utils.config import prefs
fmt = fmt.lower()
cdata = None
db = self.gui.current_db.new_api
if fmt == 'pdf':
pdfpath = db.format_abspath(book_id, fmt)
if pdfpath is None:
return error_dialog(
self.gui,
_('Format file missing'),
_('Cannot read cover as the %s file is missing from this book'
) % 'PDF',
show=True)
from calibre.gui2.metadata.pdf_covers import PDFCovers
d = PDFCovers(pdfpath, parent=self.gui)
ret = d.exec_()
if ret == QDialog.DialogCode.Accepted:
cpath = d.cover_path
if cpath:
with open(cpath, 'rb') as f:
cdata = f.read()
d.cleanup()
if ret != QDialog.DialogCode.Accepted:
return
else:
stream = BytesIO()
try:
db.copy_format_to(book_id, fmt, stream)
except NoSuchFormat:
return error_dialog(
self.gui,
_('Format file missing'),
_('Cannot read cover as the %s file is missing from this book'
) % fmt.upper(),
show=True)
old = prefs['read_file_metadata']
if not old:
prefs['read_file_metadata'] = True
try:
stream.seek(0)
mi = get_metadata(stream, fmt)
except Exception:
import traceback
return error_dialog(
self.gui,
_('Could not read metadata'),
_('Could not read metadata from %s format') % fmt.upper(),
det_msg=traceback.format_exc(),
show=True)
finally:
if old != prefs['read_file_metadata']:
prefs['read_file_metadata'] = old
if mi.cover and os.access(mi.cover, os.R_OK):
with open(mi.cover, 'rb') as f:
cdata = f.read()
elif mi.cover_data[1] is not None:
cdata = mi.cover_data[1]
if cdata is None:
return error_dialog(self.gui,
_('Could not read cover'),
_('Could not read cover from %s format') %
fmt.upper(),
show=True)
db.set_cover({book_id: cdata})
current_idx = self.gui.library_view.currentIndex()
self.gui.library_view.model().current_changed(current_idx, current_idx)
self.gui.refresh_cover_browser()
