read_concern – Tools for working with read concern.

Tools for working with read concerns.

class pymongo.read_concern.ReadConcern(level: Optional[str] = None)
  • level: (string) The read concern level specifies the level of isolation for read operations. For example, a read operation using a read concern level of majority will only return data that has been written to a majority of nodes. If the level is left unspecified, the server default will be used.

New in version 3.2.

property document: Dict[str, Any]

The document representation of this read concern.


ReadConcern is immutable. Mutating the value of document does not mutate this ReadConcern.

property level: Optional[str]

The read concern level.

property ok_for_legacy: bool

Return True if this read concern is compatible with old wire protocol versions.