Port calibredb remove

src/calibre/db/cli/cmd_remove.py

@@ -0,0 +1,57 @@
+#!/usr/bin/env python2
+# vim:fileencoding=utf-8
+# License: GPLv3 Copyright: 2017, Kovid Goyal <kovid at kovidgoyal.net>
+
+from __future__ import absolute_import, division, print_function, unicode_literals
+
+from calibre.db.delete_service import delete_service
+from calibre.srv.changes import books_deleted
+
+readonly = False
+
+
+def implementation(db, notify_changes, ids, permanent):
+    db.remove_books(ids, permanent=permanent)
+    if not permanent:
+        delete_service().wait()
+    if notify_changes is not None:
+        notify_changes(books_deleted(ids))
+
+
+def option_parser(get_parser):
+    p = get_parser(
+        _(
+            '''\
+%prog remove ids
+
+Remove the books identified by ids from the database. ids should be a comma separated \
+list of id numbers (you can get id numbers by using the search command). For example, \
+23,34,57-85 (when specifying a range, the last number in the range is not included).
+'''
+        )
+    )
+    p.add_option(
+        '--permanent',
+        default=False,
+        action='store_true',
+        help=_('Do not use the recycle bin')
+    )
+    return p
+
+
+def main(opts, args, dbctx):
+    if len(args) < 1:
+        raise SystemExit(_('You must specify at least one book to remove'))
+
+    ids = set()
+    for arg in args:
+        for x in arg.split(','):
+            y = tuple(map(int, x.split('-')))
+            if len(y) > 1:
+                ids |= set(range(y[0], y[1]))
+            else:
+                ids.add(y[0])
+
+    dbctx.run('remove', ids, opts.permanent)
+
+    return 0

src/calibre/srv/changes.py

@@ -11,3 +11,7 @@ def books_added(book_ids):
 
 def formats_added(formats_map):
     pass
+
+
+def books_deleted(book_ids):
+    pass