# This is an automatically generated file.
# DO NOT EDIT or your changes may be overwritten
from __future__ import annotations
import base64
import json
from xdrlib3 import Packer, Unpacker
from .base import DEFAULT_XDR_MAX_DEPTH
from .sc_env_meta_entry_interface_version import SCEnvMetaEntryInterfaceVersion
from .sc_env_meta_kind import SCEnvMetaKind
__all__ = ["SCEnvMetaEntry"]
[docs]
class SCEnvMetaEntry:
"""
XDR Source Code::
union SCEnvMetaEntry switch (SCEnvMetaKind kind)
{
case SC_ENV_META_KIND_INTERFACE_VERSION:
struct {
uint32 protocol;
uint32 preRelease;
} interfaceVersion;
};
"""
def __init__(
self,
kind: SCEnvMetaKind,
interface_version: SCEnvMetaEntryInterfaceVersion | None = None,
) -> None:
self.kind = kind
self.interface_version = interface_version
def pack(self, packer: Packer) -> None:
self.kind.pack(packer)
if self.kind == SCEnvMetaKind.SC_ENV_META_KIND_INTERFACE_VERSION:
if self.interface_version is None:
raise ValueError("interface_version should not be None.")
self.interface_version.pack(packer)
return
raise ValueError("Invalid kind.")
@classmethod
def unpack(
cls, unpacker: Unpacker, depth_limit: int = DEFAULT_XDR_MAX_DEPTH
) -> SCEnvMetaEntry:
if depth_limit <= 0:
raise ValueError("Maximum decoding depth reached")
kind = SCEnvMetaKind.unpack(unpacker)
if kind == SCEnvMetaKind.SC_ENV_META_KIND_INTERFACE_VERSION:
interface_version = SCEnvMetaEntryInterfaceVersion.unpack(
unpacker, depth_limit - 1
)
return cls(kind=kind, interface_version=interface_version)
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) -> SCEnvMetaEntry:
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) -> SCEnvMetaEntry:
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) -> SCEnvMetaEntry:
return cls.from_json_dict(json.loads(json_str))
def to_json_dict(self):
if self.kind == SCEnvMetaKind.SC_ENV_META_KIND_INTERFACE_VERSION:
assert self.interface_version is not None
return {
"sc_env_meta_kind_interface_version": self.interface_version.to_json_dict()
}
raise ValueError(f"Unknown kind in SCEnvMetaEntry: {self.kind}")
@classmethod
def from_json_dict(cls, json_value: dict) -> SCEnvMetaEntry:
if len(json_value) != 1:
raise ValueError(
f"Expected a single-key object for SCEnvMetaEntry, got: {json_value}"
)
key = next(iter(json_value))
kind = SCEnvMetaKind.from_json_dict(key)
if key == "sc_env_meta_kind_interface_version":
interface_version = SCEnvMetaEntryInterfaceVersion.from_json_dict(
json_value["sc_env_meta_kind_interface_version"]
)
return cls(kind=kind, interface_version=interface_version)
raise ValueError(f"Unknown key '{key}' for SCEnvMetaEntry")
def __hash__(self):
return hash(
(
self.kind,
self.interface_version,
)
)
def __eq__(self, other: object):
if not isinstance(other, self.__class__):
return NotImplemented
return (
self.kind == other.kind
and self.interface_version == other.interface_version
)
def __repr__(self):
out = []
out.append(f"kind={self.kind}")
if self.interface_version is not None:
out.append(f"interface_version={self.interface_version}")
return f"<SCEnvMetaEntry [{', '.join(out)}]>"