49 lines
1.9 KiB
Python
49 lines
1.9 KiB
Python
|
"""JSON persistence of the existing domain objects; never pickle or a new memo schema."""
|
||
|
|
|
||
|
|
from dataclasses import asdict
|
||
|
|
import json
|
||
|
|
|
||
|
|
from .disposition import Actor, ActorKind, Disposition, Verb
|
||
|
|
from .memo import (BindingLevel, BindingSlice, Highlight, Identifier, Memo,
|
||
|
|
PacketItem, Principal, Scope, StepKind)
|
||
|
|
from .presentation import Phase, Presentation
|
||
|
|
from .provenance import Claim, Route
|
||
|
|
|
||
|
|
|
||
|
|
def dumps(value) -> str:
|
||
|
|
return json.dumps(value, sort_keys=True, separators=(",", ":"), ensure_ascii=False,
|
||
|
|
allow_nan=False, default=lambda x: sorted(x) if isinstance(x, frozenset) else asdict(x))
|
||
|
|
|
||
|
|
|
||
|
|
def memo_from(data: dict) -> Memo:
|
||
|
|
data = dict(data)
|
||
|
|
binding = dict(data["binding"])
|
||
|
|
principal = dict(binding["principal"])
|
||
|
|
principal["identifiers"] = tuple(Identifier(**i) for i in principal.get("identifiers", []))
|
||
|
|
binding["principal"] = Principal(**principal)
|
||
|
|
binding["target"] = Scope(**binding["target"])
|
||
|
|
data["binding"] = BindingSlice(**binding)
|
||
|
|
data["binding_level"] = BindingLevel(data["binding_level"])
|
||
|
|
data["step_kind"] = StepKind(data["step_kind"])
|
||
|
|
data["packet"] = tuple(PacketItem(**p) for p in data["packet"])
|
||
|
|
data["highlights"] = tuple(Highlight(**h) for h in data["highlights"])
|
||
|
|
return Memo(**data)
|
||
|
|
|
||
|
|
|
||
|
|
def presentation_from(data: dict) -> Presentation:
|
||
|
|
data = dict(data)
|
||
|
|
data["phase"] = Phase(data["phase"])
|
||
|
|
data["acked_highlight_ids"] = frozenset(data["acked_highlight_ids"])
|
||
|
|
for field in ("tenant", "principal_type"):
|
||
|
|
if data[field] is not None:
|
||
|
|
data[field] = Claim(data[field]["value"], Route(data[field]["route"]))
|
||
|
|
return Presentation(**data)
|
||
|
|
|
||
|
|
|
||
|
|
def disposition_from(data: dict) -> Disposition:
|
||
|
|
data = dict(data)
|
||
|
|
data["verb"] = Verb(data["verb"])
|
||
|
|
data["actor"] = Actor(data["actor"]["sub"], ActorKind(data["actor"]["kind"]))
|
||
|
|
data["reasons"] = tuple(data["reasons"])
|
||
|
|
return Disposition(**data)
|