Meta Classes

Extra classes which don’t fit into a given category

All of these classes are importable from alaric.meta

Negate

Note

NEGATE is still exported for backwards compatibility reasons.

class alaric.meta.Negate(comparison: ComparisonT)

Negate a given option, I.e. Do the opposite.

Supported operands:

• Exists

• IN

• GT

• LT

• EQ

Lets get all documents without a field called prefix

from alaric.comparison import Exists
from alaric.meta import Negate
from alaric import AQ

query = AQ(Negate(Exists("prefix")))

build() → Dict

Returns a mongo usable filter for the negated option.

All

class alaric.meta.All

Return all documents in the collection.

from alaric.meta import All

query = AQ(All())

build() → Dict