def copy_format_to(self, book_id, fmt, path):
fdata = self.dbctx.run('export', 'fmt', book_id, fmt, path)
if self.dbctx.is_remote:
if fdata is None:
raise NoSuchFormat(fmt)
with lopen(path, 'wb') as f:
f.write(fdata)
def book_fmt(ctx, rd, library_id, db, book_id, fmt):
mdata = db.format_metadata(book_id, fmt)
if not mdata:
raise NoSuchFormat()
mtime = mdata['mtime']
update_metadata = fmt in update_metadata_in_fmts
extra_etag_data = ''
if update_metadata:
mi = db.get_metadata(book_id)
mtime = max(mtime, mi.last_modified)
# Get any plugboards for the Content server
plugboards = db.pref('plugboards')
if plugboards:
cpb = find_plugboard(plugboard_content_server_value, fmt,
plugboards)
if cpb:
# Transform the metadata via the plugboard
newmi = mi.deepcopy_metadata()
newmi.template_to_attribute(mi, cpb)
mi = newmi
extra_etag_data = repr(cpb)
else:
mi = db.get_proxy_metadata(book_id)
def copy_func(dest):
db.copy_format_to(book_id, fmt, dest)
if update_metadata:
set_metadata(dest, mi, fmt)
dest.seek(0)
au = authors_to_string(mi.authors or [_('Unknown')])
title = mi.title or _('Unknown')
ext = fmt
if ext == 'kepub' and 'Kobo Touch' in rd.inheaders.get('User-Agent', ''):
ext = 'kepub.epub'
fname = '%s - %s_%s.%s' % (title[:30], au[:30], book_id, ext)
fname = ascii_filename(fname).replace('"', '_')
rd.outheaders['Content-Disposition'] = 'attachment; filename="%s"' % fname
return create_file_copy(ctx,
rd,
'fmt',
library_id,
book_id,
fmt,
mtime,
copy_func,
extra_etag_data=extra_etag_data)
def book_fmt(ctx, rd, library_id, db, book_id, fmt):
mdata = db.format_metadata(book_id, fmt)
if not mdata:
raise NoSuchFormat()
mtime = mdata['mtime']
update_metadata = fmt in update_metadata_in_fmts
extra_etag_data = ''
if update_metadata:
mi = db.get_metadata(book_id)
mtime = max(mtime, mi.last_modified)
# Get any plugboards for the Content server
plugboards = db.pref('plugboards')
if plugboards:
cpb = find_plugboard(plugboard_content_server_value, fmt,
plugboards)
if cpb:
# Transform the metadata via the plugboard
newmi = mi.deepcopy_metadata()
newmi.template_to_attribute(mi, cpb)
mi = newmi
extra_etag_data = repr(cpb)
else:
mi = db.get_proxy_metadata(book_id)
def copy_func(dest):
db.copy_format_to(book_id, fmt, dest)
if update_metadata:
if not mi.cover_data or not mi.cover_data[-1]:
cdata = db.cover(book_id)
if cdata:
mi.cover_data = ('jpeg', cdata)
set_metadata(dest, mi, fmt)
dest.seek(0)
rd.outheaders[
'Content-Disposition'] = '''attachment; filename="%s"; filename*=utf-8''%s''' % (
book_filename(rd, book_id, mi, fmt),
book_filename(rd, book_id, mi, fmt, as_encoded_unicode=True))
return create_file_copy(ctx,
rd,
'fmt',
library_id,
book_id,
fmt,
mtime,
copy_func,
extra_etag_data=extra_etag_data)
def copy_format_to(self, book_id, fmt, dest, use_hardlink=False):
'''
Copy the format ``fmt`` to the file like object ``dest``. If the
specified format does not exist, raises :class:`NoSuchFormat` error.
dest can also be a path, in which case the format is copied to it, iff
the path is different from the current path (taking case sensitivity
into account).
'''
try:
name = self.fields['formats'].format_fname(book_id, fmt)
path = self._field_for('path', book_id).replace('/', os.sep)
except (KeyError, AttributeError):
raise NoSuchFormat('Record %d has no %s file' % (book_id, fmt))
return self.backend.copy_format_to(book_id,
fmt,
name,
path,
dest,
use_hardlink=use_hardlink)
def format_path(self, index, fmt, index_is_id=False):
book_id = index if index_is_id else self.id(index)
ans = self.new_api.format_abspath(book_id, fmt)
if ans is None:
raise NoSuchFormat('Record %d has no format: %s' % (book_id, fmt))
return ans
