POST Python type vocabulary: scalar dtypes, Array, Shape, layouts, DataFrame and Series annotations.
Project description
postyp
The POST Python type vocabulary: scalar dtypes
(Float64, Int64, Bool, …), Array with Shape and layout
qualifiers, and DataFrame/Series annotations.
postyp is the canonical, compiler-independent source of POST Python
type metadata (spec §10). Conforming compilers introspect this module
rather than duplicating dtype definitions; POST source files import
their annotations from it:
from postyp import Array, Float64, Shape
def det3(m: Array[Float64, Shape[3, 3]]) -> Float64: ...
Every scalar dtype also has a bit-width short-hand (i8…i64,
u8…u64, f16/f32/f64, c64/c128) — the same class under a
compact name, for signatures that would otherwise wrap:
from postyp import Array, f64
def det3(m: Array[f64, Shape[3, 3]]) -> f64: ...
The reference compiler is distributed separately as
postpyc, which depends on this package. Development happens in
openteams-ai/postpython.
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