Method incr

django/core/cache/backends/base.py:275–285

Add delta to value in the cache. If the key does not exist, raise a ValueError exception.

(self, key, delta=1, version=None)

        )

    def incr(self, key, delta=1, version=None):
        """
        Add delta to value in the cache. If the key does not exist, raise a
        ValueError exception.
        """
        value = self.get(key, self._missing_key, version=version)
        if value is self._missing_key:
            raise ValueError("Key '%s' not found" % key)
        new_value = value + delta
        self.set(key, new_value, version=version)
        return new_value

    async def aincr(self, key, delta=1, version=None):
        """See incr()."""