def set_custom(self, book_id, val, label=None, num=None, append=False,
notify=True, extra=None, commit=True, allow_case_change=False):
field = self.custom_field_name(label, num)
data = self.backend.custom_field_metadata(label, num)
if data['datatype'] == 'composite':
return set()
if not data['editable']:
raise ValueError('Column %r is not editable'%data['label'])
if data['datatype'] == 'enumeration' and (
val and val not in data['display']['enum_values']):
return set()
with self.new_api.write_lock:
if append and data['is_multiple']:
current = self.new_api._field_for(field, book_id)
existing = {icu_lower(x) for x in current}
val = current + tuple(x for x in self.new_api.fields[field].writer.adapter(val) if icu_lower(x) not in existing)
affected_books = self.new_api._set_field(field, {book_id:val}, allow_case_change=allow_case_change)
else:
affected_books = self.new_api._set_field(field, {book_id:val}, allow_case_change=allow_case_change)
if data['datatype'] == 'series':
s, sidx = get_series_values(val)
if sidx is None:
extra = 1.0 if extra is None else extra
self.new_api._set_field(field + '_index', {book_id:extra})
if notify and affected_books:
self.notify('metadata', list(affected_books))
return affected_books
def convert_markdown_with_metadata(txt, title='', extensions=DEFAULT_MD_EXTENSIONS):
from calibre.ebooks.metadata.book.base import Metadata
from calibre.utils.date import parse_only_date
from calibre.db.write import get_series_values
if 'meta' not in extensions:
extensions.append('meta')
md = create_markdown_object(extensions)
html = md.convert(txt)
mi = Metadata(title or _('Unknown'))
m = md.Meta
for k, v in {'date':'pubdate', 'summary':'comments'}.iteritems():
if v not in m and k in m:
m[v] = m.pop(k)
for k in 'title authors series tags pubdate comments publisher rating'.split():
val = m.get(k)
if val:
mf = mi.metadata_for_field(k)
if not mf.get('is_multiple'):
val = val[0]
if k == 'series':
val, si = get_series_values(val)
mi.series_index = 1 if si is None else si
if k == 'rating':
try:
val = max(0, min(int(float(val)), 10))
except Exception:
continue
if mf.get('datatype') == 'datetime':
try:
val = parse_only_date(val, assume_utc=False)
except Exception:
continue
setattr(mi, k, val)
return mi, HTML_TEMPLATE % (mi.title, html)
def convert_markdown_with_metadata(txt, title='', extensions=DEFAULT_MD_EXTENSIONS):
from calibre.ebooks.metadata.book.base import Metadata
from calibre.utils.date import parse_only_date
from calibre.db.write import get_series_values
if 'meta' not in extensions:
extensions.append('meta')
md = create_markdown_object(extensions)
html = md.convert(txt)
mi = Metadata(title or _('Unknown'))
m = md.Meta
for k, v in iteritems({'date':'pubdate', 'summary':'comments'}):
if v not in m and k in m:
m[v] = m.pop(k)
for k in 'title authors series tags pubdate comments publisher rating'.split():
val = m.get(k)
if val:
mf = mi.metadata_for_field(k)
if not mf.get('is_multiple'):
val = val[0]
if k == 'series':
val, si = get_series_values(val)
mi.series_index = 1 if si is None else si
if k == 'rating':
try:
val = max(0, min(int(float(val)), 10))
except Exception:
continue
if mf.get('datatype') == 'datetime':
try:
val = parse_only_date(val, assume_utc=False)
except Exception:
continue
setattr(mi, k, val)
return mi, HTML_TEMPLATE % (mi.title, html)
def set_custom(self, book_id, val, label=None, num=None, append=False,
notify=True, extra=None, commit=True, allow_case_change=False):
field = self.custom_field_name(label, num)
data = self.backend.custom_field_metadata(label, num)
if data['datatype'] == 'composite':
return set()
if not data['editable']:
raise ValueError('Column %r is not editable'%data['label'])
if data['datatype'] == 'enumeration' and (
val and val not in data['display']['enum_values']):
return set()
with self.new_api.write_lock:
if append and data['is_multiple']:
current = self.new_api._field_for(field, book_id)
existing = {icu_lower(x) for x in current}
val = current + tuple(x for x in self.new_api.fields[field].writer.adapter(val) if icu_lower(x) not in existing)
affected_books = self.new_api._set_field(field, {book_id:val}, allow_case_change=allow_case_change)
else:
affected_books = self.new_api._set_field(field, {book_id:val}, allow_case_change=allow_case_change)
if data['datatype'] == 'series':
s, sidx = get_series_values(val)
if sidx is None:
extra = 1.0 if extra is None else extra
self.new_api._set_field(field + '_index', {book_id:extra})
if notify and affected_books:
self.notify('metadata', list(affected_books))
return affected_books
def set_field(self,
name,
book_id_to_val_map,
allow_case_change=True,
do_path_update=True):
f = self.fields[name]
is_series = f.metadata['datatype'] == 'series'
update_path = name in {'title', 'authors'}
if update_path and iswindows:
paths = (x for x in (self._field_for('path', book_id)
for book_id in book_id_to_val_map) if x)
self.backend.windows_check_if_files_in_use(paths)
if is_series:
bimap, simap = {}, {}
for k, v in book_id_to_val_map.iteritems():
if isinstance(v, basestring):
v, sid = get_series_values(v)
else:
v = sid = None
if name.startswith('#') and sid is None:
sid = 1.0 # The value will be set to 1.0 in the db table
bimap[k] = v
if sid is not None:
simap[k] = sid
book_id_to_val_map = bimap
dirtied = f.writer.set_books(book_id_to_val_map,
self.backend,
allow_case_change=allow_case_change)
if is_series and simap:
sf = self.fields[f.name + '_index']
dirtied |= sf.writer.set_books(simap,
self.backend,
allow_case_change=False)
if dirtied and self.composites:
for name in self.composites:
self.fields[name].pop_cache(dirtied)
if dirtied and update_path and do_path_update:
self._update_path(dirtied, mark_as_dirtied=False)
self._mark_as_dirty(dirtied)
return dirtied
def set_field(self, name, book_id_to_val_map, allow_case_change=True, do_path_update=True):
f = self.fields[name]
is_series = f.metadata['datatype'] == 'series'
update_path = name in {'title', 'authors'}
if update_path and iswindows:
paths = (x for x in (self._field_for('path', book_id) for book_id in book_id_to_val_map) if x)
self.backend.windows_check_if_files_in_use(paths)
if is_series:
bimap, simap = {}, {}
for k, v in book_id_to_val_map.iteritems():
if isinstance(v, basestring):
v, sid = get_series_values(v)
else:
v = sid = None
if name.startswith('#') and sid is None:
sid = 1.0 # The value will be set to 1.0 in the db table
bimap[k] = v
if sid is not None:
simap[k] = sid
book_id_to_val_map = bimap
dirtied = f.writer.set_books(
book_id_to_val_map, self.backend, allow_case_change=allow_case_change)
if is_series and simap:
sf = self.fields[f.name+'_index']
dirtied |= sf.writer.set_books(simap, self.backend, allow_case_change=False)
if dirtied and self.composites:
for name in self.composites:
self.fields[name].pop_cache(dirtied)
if dirtied and update_path and do_path_update:
self._update_path(dirtied, mark_as_dirtied=False)
self._mark_as_dirty(dirtied)
return dirtied