lbry-sdk/lbrynet/schema/current_schema/claim.py
2019-03-25 22:54:08 -04:00

73 lines
3.1 KiB
Python

import json
from copy import deepcopy
import google.protobuf.json_format as json_pb # pylint: disable=no-name-in-module
from google.protobuf.message import Message # pylint: disable=no-name-in-module,import-error
from lbrynet.schema.proto3 import claim_pb2 as claim_pb
from torba.client.constants import COIN
class Schema(Message):
@classmethod
def load(cls, message):
raise NotImplementedError
@classmethod
def _load(cls, data, message):
if isinstance(data, dict):
data = json.dumps(data)
return json_pb.Parse(data, message)
class Claim(Schema):
CLAIM_TYPE_STREAM = 0 #fixme: 0 is unset, should be fixed on proto file to be 1 and 2!
CLAIM_TYPE_CERT = 1
@classmethod
def load(cls, message: dict):
_claim = deepcopy(message)
_message_pb = claim_pb.Claim()
if "certificate" in _claim: # old protobuf, migrate
_cert = _claim.pop("certificate")
assert isinstance(_cert, dict)
_message_pb.type = Claim.CLAIM_TYPE_CERT
_message_pb.channel.MergeFrom(claim_pb.Channel(public_key=_cert.pop("publicKey")))
_claim = {} # so we dont need to know what other fields we ignored
elif "channel" in _claim:
_channel = _claim.pop("channel")
_message_pb.type = Claim.CLAIM_TYPE_CERT
_message_pb.channel = claim_pb.Channel(**_channel)
elif "stream" in _claim:
_message_pb.type = Claim.CLAIM_TYPE_STREAM
_stream = _claim.pop("stream")
if "source" in _stream:
_source = _stream.pop("source")
_message_pb.stream.hash = _source.get("source", b'') # fixme: fail if empty?
_message_pb.stream.media_type = _source.pop("contentType")
if "metadata" in _stream:
_metadata = _stream.pop("metadata")
_message_pb.stream.license = _metadata.get("license")
_message_pb.stream.description = _metadata.get("description")
_message_pb.stream.language = _metadata.get("language")
_message_pb.stream.title = _metadata.get("title")
_message_pb.stream.author = _metadata.get("author")
_message_pb.stream.license_url = _metadata.get("licenseUrl")
_message_pb.stream.thumbnail_url = _metadata.get("thumbnail")
if _metadata.get("nsfw"):
_message_pb.stream.tags.append("nsfw")
if "fee" in _metadata:
_message_pb.stream.fee.address = _metadata["fee"]["address"]
_message_pb.stream.fee.currency = {
"LBC": 0,
"USD": 1
}[_metadata["fee"]["currency"]]
multiplier = COIN if _metadata["fee"]["currency"] == "LBC" else 100
total = int(_metadata["fee"]["amount"]*multiplier)
_message_pb.stream.fee.amount = total if total >= 0 else 0
_claim = {}
else:
raise AttributeError
return cls._load(_claim, _message_pb)