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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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Release files for postyp 0.3.0

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Source distribution for postyp 0.3.0
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