# This is an automatically generated file.
# DO NOT EDIT or your changes may be overwritten
from __future__ import annotations
import base64
import json
from typing import Optional
from xdrlib3 import Packer, Unpacker
from .base import DEFAULT_XDR_MAX_DEPTH
from .sc_meta_kind import SCMetaKind
from .sc_meta_v0 import SCMetaV0
__all__ = ["SCMetaEntry"]
[docs]
class SCMetaEntry:
"""
XDR Source Code::
union SCMetaEntry switch (SCMetaKind kind)
{
case SC_META_V0:
SCMetaV0 v0;
};
"""
def __init__(
self,
kind: SCMetaKind,
v0: Optional[SCMetaV0] = None,
) -> None:
self.kind = kind
self.v0 = v0
def pack(self, packer: Packer) -> None:
self.kind.pack(packer)
if self.kind == SCMetaKind.SC_META_V0:
if self.v0 is None:
raise ValueError("v0 should not be None.")
self.v0.pack(packer)
return
raise ValueError("Invalid kind.")
@classmethod
def unpack(
cls, unpacker: Unpacker, depth_limit: int = DEFAULT_XDR_MAX_DEPTH
) -> SCMetaEntry:
if depth_limit <= 0:
raise ValueError("Maximum decoding depth reached")
kind = SCMetaKind.unpack(unpacker)
if kind == SCMetaKind.SC_META_V0:
v0 = SCMetaV0.unpack(unpacker, depth_limit - 1)
return cls(kind=kind, v0=v0)
raise ValueError("Invalid kind.")
def to_xdr_bytes(self) -> bytes:
packer = Packer()
self.pack(packer)
return packer.get_buffer()
@classmethod
def from_xdr_bytes(cls, xdr: bytes) -> SCMetaEntry:
unpacker = Unpacker(xdr)
result = cls.unpack(unpacker)
remaining = len(xdr) - unpacker.get_position()
if remaining != 0:
raise ValueError(f"Unexpected trailing {remaining} bytes in XDR data")
return result
def to_xdr(self) -> str:
xdr_bytes = self.to_xdr_bytes()
return base64.b64encode(xdr_bytes).decode()
@classmethod
def from_xdr(cls, xdr: str) -> SCMetaEntry:
xdr_bytes = base64.b64decode(xdr.encode())
return cls.from_xdr_bytes(xdr_bytes)
def to_json(self) -> str:
return json.dumps(self.to_json_dict())
@classmethod
def from_json(cls, json_str: str) -> SCMetaEntry:
return cls.from_json_dict(json.loads(json_str))
def to_json_dict(self):
if self.kind == SCMetaKind.SC_META_V0:
assert self.v0 is not None
return {"sc_meta_v0": self.v0.to_json_dict()}
raise ValueError(f"Unknown kind in SCMetaEntry: {self.kind}")
@classmethod
def from_json_dict(cls, json_value: dict) -> SCMetaEntry:
if len(json_value) != 1:
raise ValueError(
f"Expected a single-key object for SCMetaEntry, got: {json_value}"
)
key = next(iter(json_value))
kind = SCMetaKind.from_json_dict(key)
if key == "sc_meta_v0":
v0 = SCMetaV0.from_json_dict(json_value["sc_meta_v0"])
return cls(kind=kind, v0=v0)
raise ValueError(f"Unknown key '{key}' for SCMetaEntry")
def __hash__(self):
return hash(
(
self.kind,
self.v0,
)
)
def __eq__(self, other: object):
if not isinstance(other, self.__class__):
return NotImplemented
return self.kind == other.kind and self.v0 == other.v0
def __repr__(self):
out = []
out.append(f"kind={self.kind}")
if self.v0 is not None:
out.append(f"v0={self.v0}")
return f"<SCMetaEntry [{', '.join(out)}]>"