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Dont allow calibredb to create custom columns with invalid labels. Fixes #6487 (Error: unhandled exception using tag browser to select on --is-multiple type custom column)

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Kovid Goyal 2010-08-12 21:47:11 -06:00
commit d783ff225d
2 changed files with 8 additions and 6 deletions
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8
src/calibre/gui2/dialogs/config/create_custom_column.py
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@ -100,11 +100,11 @@ class CreateCustomColumn(QDialog, Ui_QCreateCustomColumn):
def accept(self):
col = unicode(self.column_name_box.text()).lower()
col = unicode(self.column_name_box.text())
if not col:
return self.simple_error('', _('No lookup name was provided'))
if re.match('^\w*$', col) is None or not col[0].isalpha():
return self.simple_error('', _('The label must contain only letters, digits and underscores, and start with a letter'))
if re.match('^\w*$', col) is None or not col[0].isalpha() or col.lower() != col:
return self.simple_error('', _('The lookup name must contain only lower case letters, digits and underscores, and start with a letter'))
col_heading = unicode(self.column_heading_box.text())
col_type = self.column_types[self.column_type_box.currentIndex()]['datatype']
if col_type == '*text':
@ -130,8 +130,6 @@ class CreateCustomColumn(QDialog, Ui_QCreateCustomColumn):
bad_head = True
if bad_head:
return self.simple_error('', _('The heading %s is already used')%col_heading)
if ':' in col or ' ' in col or col.lower() != col:
return self.simple_error('', _('The lookup name must be lower case and cannot contain ":"s or spaces'))
date_format = {}
if col_type == 'datetime':

6
src/calibre/library/custom_columns.py
View File

@ -6,7 +6,7 @@ __license__ = 'GPL v3'
__copyright__ = '2010, Kovid Goyal <kovid@kovidgoyal.net>'
__docformat__ = 'restructuredtext en'
import json
import json, re
from functools import partial
from math import floor
@ -430,6 +430,10 @@ class CustomColumns(object):
def create_custom_column(self, label, name, datatype, is_multiple,
editable=True, display={}):
if not label:
raise ValueError(_('No label was provided'))
if re.match('^\w*$', label) is None or not label[0].isalpha() or label.lower() != label:
raise ValueError(_('The label must contain only lower case letters, digits and underscores, and start with a letter'))
if datatype not in self.CUSTOM_DATA_TYPES:
raise ValueError('%r is not a supported data type'%datatype)
normalized = datatype not in ('datetime', 'comments', 'int', 'bool',