509 lines
13 KiB
Python
509 lines
13 KiB
Python
import os.path
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from typing import List, Tuple
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from decimal import Decimal
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from binascii import hexlify, unhexlify
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from google.protobuf.json_format import MessageToDict
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from google.protobuf.message import DecodeError
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from hachoir.parser import createParser as binary_file_parser
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from hachoir.metadata import extractMetadata as binary_file_metadata
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from hachoir.core.log import log as hachoir_log
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from torba.client.hash import Base58
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from torba.client.constants import COIN
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from lbrynet.schema.types.v2.claim_pb2 import Claim as ClaimMessage, Fee as FeeMessage
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from lbrynet.schema import compat
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from lbrynet.schema.base import Signable
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from lbrynet.schema.mime_types import guess_media_type
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hachoir_log.use_print = False
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class Claim(Signable):
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__slots__ = 'version',
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message_class = ClaimMessage
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def __init__(self, claim_message=None):
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super().__init__(claim_message)
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self.version = 2
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@property
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def is_stream(self):
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return self.message.WhichOneof('type') == 'stream'
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@property
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def is_channel(self):
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return self.message.WhichOneof('type') == 'channel'
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@property
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def stream_message(self):
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if self.is_undetermined:
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self.message.stream.SetInParent()
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if not self.is_stream:
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raise ValueError('Claim is not a stream.')
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return self.message.stream
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@property
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def stream(self) -> 'Stream':
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return Stream(self)
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@property
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def channel_message(self):
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if self.is_undetermined:
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self.message.channel.SetInParent()
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if not self.is_channel:
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raise ValueError('Claim is not a channel.')
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return self.message.channel
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@property
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def channel(self) -> 'Channel':
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return Channel(self)
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def to_dict(self):
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return MessageToDict(self.message, preserving_proto_field_name=True)
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@classmethod
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def from_bytes(cls, data: bytes) -> 'Claim':
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try:
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return super().from_bytes(data)
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except DecodeError:
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claim = cls()
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if data[0] == ord('{'):
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claim.version = 0
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compat.from_old_json_schema(claim, data)
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elif data[0] not in (0, 1):
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claim.version = 1
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compat.from_types_v1(claim, data)
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else:
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raise
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return claim
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class Dimmensional:
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__slots__ = ()
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@property
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def width(self) -> int:
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return self.message.width
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@width.setter
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def width(self, width: int):
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self.message.width = width
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@property
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def height(self) -> int:
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return self.message.height
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@height.setter
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def height(self, height: int):
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self.message.height = height
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@property
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def dimensions(self) -> Tuple[int, int]:
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return self.width, self.height
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@dimensions.setter
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def dimensions(self, dimensions: Tuple[int, int]):
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self.message.width, self.message.height = dimensions
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class Playable:
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__slots__ = ()
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@property
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def duration(self) -> int:
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return self.message.duration
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@duration.setter
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def duration(self, duration: int):
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self.message.duration = duration
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def set_duration_from_path(self, file_path):
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try:
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file_metadata = binary_file_metadata(binary_file_parser(file_path))
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self.duration = file_metadata.getValues('duration')[0].seconds
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except:
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pass
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class Image(Dimmensional):
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__slots__ = 'message',
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def __init__(self, image_message):
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self.message = image_message
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class Video(Dimmensional, Playable):
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__slots__ = 'message',
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def __init__(self, video_message):
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self.message = video_message
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class Audio(Playable):
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__slots__ = 'message',
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def __init__(self, audio_message):
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self.message = audio_message
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class File:
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__slots__ = '_file',
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def __init__(self, file_message):
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self._file = file_message
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@property
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def name(self) -> str:
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return self._file.name
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@name.setter
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def name(self, name: str):
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self._file.name = name
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@property
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def size(self) -> int:
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return self._file.size
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@size.setter
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def size(self, size: int):
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self._file.size = size
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class Fee:
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__slots__ = '_fee',
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def __init__(self, fee_message):
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self._fee = fee_message
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@property
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def currency(self) -> str:
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return FeeMessage.Currency.Name(self._fee.currency)
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@property
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def address(self) -> str:
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return Base58.encode(self._fee.address)
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@address.setter
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def address(self, address: str):
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self._fee.address = Base58.decode(address)
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@property
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def address_bytes(self) -> bytes:
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return self._fee.address
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@address_bytes.setter
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def address_bytes(self, address: bytes):
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self._fee.address = address
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@property
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def amount(self) -> Decimal:
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if self.currency == 'LBC':
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return self.lbc
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if self.currency == 'USD':
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return self.usd
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DEWIES = Decimal(COIN)
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@property
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def lbc(self) -> Decimal:
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if self._fee.currency != FeeMessage.LBC:
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raise ValueError('LBC can only be returned for LBC fees.')
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return Decimal(self._fee.amount / self.DEWIES)
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@lbc.setter
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def lbc(self, amount: Decimal):
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self.dewies = int(amount * self.DEWIES)
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@property
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def dewies(self) -> int:
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if self._fee.currency != FeeMessage.LBC:
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raise ValueError('Dewies can only be returned for LBC fees.')
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return self._fee.amount
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@dewies.setter
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def dewies(self, amount: int):
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self._fee.amount = amount
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self._fee.currency = FeeMessage.LBC
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PENNIES = Decimal(100.0)
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@property
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def usd(self) -> Decimal:
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if self._fee.currency != FeeMessage.USD:
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raise ValueError('USD can only be returned for USD fees.')
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return Decimal(self._fee.amount / self.PENNIES)
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@usd.setter
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def usd(self, amount: Decimal):
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self.pennies = int(amount * self.PENNIES)
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@property
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def pennies(self) -> int:
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if self._fee.currency != FeeMessage.USD:
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raise ValueError('Pennies can only be returned for USD fees.')
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return self._fee.amount
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@pennies.setter
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def pennies(self, amount: int):
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self._fee.amount = amount
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self._fee.currency = FeeMessage.USD
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class BaseClaimSubType:
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__slots__ = 'claim', 'message'
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def __init__(self, claim: Claim):
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self.claim = claim or Claim()
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@property
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def tags(self) -> List:
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return self.message.tags
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@property
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def title(self) -> str:
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return self.message.title
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@title.setter
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def title(self, title: str):
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self.message.title = title
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@property
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def description(self) -> str:
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return self.message.description
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@description.setter
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def description(self, description: str):
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self.message.description = description
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@property
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def thumbnail_url(self) -> str:
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return self.message.thumbnail_url
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@thumbnail_url.setter
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def thumbnail_url(self, thumbnail_url: str):
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self.message.thumbnail_url = thumbnail_url
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@property
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def language(self) -> str:
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return self.message.language
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@language.setter
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def language(self, language: str):
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self.message.language = language
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def to_dict(self):
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return MessageToDict(self.message, preserving_proto_field_name=True)
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def update(self, tags=None, clear_tags=False, **kwargs):
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if clear_tags:
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self.message.ClearField('tags')
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if tags is not None:
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if isinstance(tags, str):
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self.tags.append(tags)
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elif isinstance(tags, list):
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self.tags.extend(tags)
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else:
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raise ValueError(f"Unknown tag type: {tags}")
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for key, value in kwargs.items():
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setattr(self, key, value)
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class Channel(BaseClaimSubType):
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__slots__ = ()
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def __init__(self, claim: Claim = None):
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super().__init__(claim)
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self.message = self.claim.channel_message
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@property
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def public_key(self) -> str:
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return hexlify(self.message.public_key).decode()
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@public_key.setter
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def public_key(self, sd_public_key: str):
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self.message.public_key = unhexlify(sd_public_key.encode())
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@property
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def public_key_bytes(self) -> bytes:
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return self.message.public_key
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@public_key_bytes.setter
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def public_key_bytes(self, public_key: bytes):
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self.message.public_key = public_key
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@property
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def contact_email(self) -> str:
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return self.message.contact_email
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@contact_email.setter
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def contact_email(self, contact_email: str):
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self.message.contact_email = contact_email
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@property
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def homepage_url(self) -> str:
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return self.message.homepage_url
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@homepage_url.setter
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def homepage_url(self, homepage_url: str):
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self.message.homepage_url = homepage_url
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@property
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def cover_url(self) -> str:
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return self.message.cover_url
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@cover_url.setter
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def cover_url(self, cover_url: str):
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self.message.cover_url = cover_url
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class Stream(BaseClaimSubType):
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__slots__ = ()
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def __init__(self, claim: Claim = None):
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super().__init__(claim)
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self.message = self.claim.stream_message
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def update(
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self, file_path=None, stream_type=None,
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fee_currency=None, fee_amount=None, fee_address=None,
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**kwargs):
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duration_was_not_set = True
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sub_types = ('image', 'video', 'audio')
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for key in list(kwargs.keys()):
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for sub_type in sub_types:
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if key.startswith(f'{sub_type}_'):
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stream_type = sub_type
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sub_obj = getattr(self, sub_type)
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sub_obj_attr = key[len(f'{sub_type}_'):]
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setattr(sub_obj, sub_obj_attr, kwargs.pop(key))
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if sub_obj_attr == 'duration':
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duration_was_not_set = False
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break
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if stream_type is not None:
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if stream_type not in sub_types:
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raise Exception(
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f"stream_type of '{stream_type}' is not valid, must be one of: {sub_types}"
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)
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sub_obj = getattr(self, stream_type)
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if duration_was_not_set and file_path and isinstance(sub_obj, Playable):
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sub_obj.set_duration_from_path(file_path)
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super().update(**kwargs)
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if file_path is not None:
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self.media_type = guess_media_type(file_path)
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if not os.path.isfile(file_path):
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raise Exception(f"File does not exist: {file_path}")
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self.file.size = os.path.getsize(file_path)
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if self.file.size == 0:
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raise Exception(f"Cannot publish empty file: {file_path}")
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if fee_amount and fee_currency:
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if fee_address:
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self.fee.address = fee_address
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if fee_currency.lower() == 'lbc':
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self.fee.lbc = Decimal(fee_amount)
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elif fee_currency.lower() == 'usd':
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self.fee.usd = Decimal(fee_amount)
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else:
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raise Exception(f'Unknown currency type: {fee_currency}')
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@property
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def hash(self) -> str:
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return hexlify(self.message.hash).decode()
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@hash.setter
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def hash(self, sd_hash: str):
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self.message.hash = unhexlify(sd_hash.encode())
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@property
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def hash_bytes(self) -> bytes:
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return self.message.hash
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@hash_bytes.setter
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def hash_bytes(self, hash: bytes):
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self.message.hash = hash
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@property
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def author(self) -> str:
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return self.message.author
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@author.setter
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def author(self, author: str):
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self.message.author = author
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@property
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def license(self) -> str:
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return self.message.license
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@license.setter
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def license(self, license: str):
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self.message.license = license
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@property
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def license_url(self) -> str:
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return self.message.license_url
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@license_url.setter
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def license_url(self, license_url: str):
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self.message.license_url = license_url
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@property
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def release_time(self) -> int:
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return self.message.release_time
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@release_time.setter
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def release_time(self, release_time: int):
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self.message.release_time = release_time
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@property
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def media_type(self) -> str:
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return self.message.media_type
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@media_type.setter
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def media_type(self, media_type: str):
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self.message.media_type = media_type
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@property
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def fee(self) -> Fee:
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return Fee(self.message.fee)
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@property
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def has_fee(self) -> bool:
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return self.message.HasField('fee')
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@property
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def file(self) -> File:
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return File(self.message.file)
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@property
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def image(self) -> Image:
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return Image(self.message.image)
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@property
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def video(self) -> Video:
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return Video(self.message.video)
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@property
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def audio(self) -> Audio:
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return Audio(self.message.audio)
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