750 lines
20 KiB
Python
750 lines
20 KiB
Python
import os.path
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import json
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from string import ascii_letters
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from typing import List, Tuple, Iterator, TypeVar, Generic
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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 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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from lbrynet.schema.types.v2.claim_pb2 import (
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Claim as ClaimMessage,
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Fee as FeeMessage,
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Location as LocationMessage,
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Language as LanguageMessage
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)
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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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I = TypeVar('I')
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class BaseMessageList(Generic[I]):
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__slots__ = 'message',
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item_class = None
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def __init__(self, message):
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self.message = message
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def add(self) -> I:
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return self.item_class(self.message.add())
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def extend(self, values: List[str]):
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for value in values:
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self.append(value)
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def append(self, value: str):
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raise NotImplemented
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def __len__(self):
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return len(self.message)
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def __iter__(self) -> Iterator[I]:
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for lang in self.message:
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yield self.item_class(lang)
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def __getitem__(self, item) -> I:
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return self.item_class(self.message[item])
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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 == 'BTC':
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return self.btc
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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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SATOSHIES = Decimal(COIN)
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@property
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def btc(self) -> Decimal:
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if self._fee.currency != FeeMessage.BTC:
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raise ValueError('BTC can only be returned for BTC fees.')
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return Decimal(self._fee.amount / self.SATOSHIES)
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@btc.setter
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def btc(self, amount: Decimal):
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self.satoshis = int(amount * self.SATOSHIES)
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@property
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def satoshis(self) -> int:
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if self._fee.currency != FeeMessage.BTC:
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raise ValueError('Satoshies can only be returned for BTC fees.')
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return self._fee.amount
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@satoshis.setter
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def satoshis(self, amount: int):
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self._fee.amount = amount
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self._fee.currency = FeeMessage.BTC
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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 Language:
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__slots__ = 'message',
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def __init__(self, message):
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self.message = message
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@property
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def langtag(self) -> str:
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langtag = []
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if self.language:
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langtag.append(self.language)
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if self.script:
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langtag.append(self.script)
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if self.region:
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langtag.append(self.region)
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return '-'.join(langtag)
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@langtag.setter
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def langtag(self, langtag: str):
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parts = langtag.split('-')
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self.language = parts.pop(0)
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if parts and len(parts[0]) == 4:
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self.script = parts.pop(0)
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if parts and len(parts[0]) == 2:
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self.region = parts.pop(0)
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assert not parts, f"Failed to parse language tag: {langtag}"
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@property
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def language(self) -> str:
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if self.message.language:
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return LanguageMessage.Language.Name(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 = LanguageMessage.Language.Value(language)
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@property
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def script(self) -> str:
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if self.message.script:
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return LanguageMessage.Script.Name(self.message.script)
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@script.setter
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def script(self, script: str):
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self.message.script = LanguageMessage.Script.Value(script)
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@property
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def region(self) -> str:
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if self.message.region:
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return LocationMessage.Country.Name(self.message.region)
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@region.setter
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def region(self, region: str):
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self.message.region = LocationMessage.Country.Value(region)
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class LanguageList(BaseMessageList[Language]):
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__slots__ = ()
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item_class = Language
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def append(self, value: str):
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self.add().langtag = value
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class Location:
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__slots__ = 'message',
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def __init__(self, message):
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self.message = message
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def from_value(self, value):
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if isinstance(value, str) and value.startswith('{'):
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value = json.loads(value)
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if isinstance(value, dict):
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for key, val in value.items():
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setattr(self, key, val)
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elif isinstance(value, str):
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parts = value.split(':')
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if len(parts) > 2 or (parts[0] and parts[0][0] in ascii_letters):
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country = parts and parts.pop(0)
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if country:
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self.country = country
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state = parts and parts.pop(0)
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if state:
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self.state = state
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city = parts and parts.pop(0)
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if city:
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self.city = city
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code = parts and parts.pop(0)
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if code:
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self.code = code
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latitude = parts and parts.pop(0)
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if latitude:
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self.latitude = latitude
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longitude = parts and parts.pop(0)
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if longitude:
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self.longitude = longitude
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else:
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raise ValueError(f'Could not parse country value: {value}')
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@property
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def country(self) -> str:
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if self.message.country:
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return LocationMessage.Country.Name(self.message.country)
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@country.setter
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def country(self, country: str):
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self.message.country = LocationMessage.Country.Value(country)
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@property
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def state(self) -> str:
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return self.message.state
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@state.setter
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def state(self, state: str):
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self.message.state = state
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@property
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def city(self) -> str:
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return self.message.city
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@city.setter
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def city(self, city: str):
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self.message.city = city
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@property
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def code(self) -> str:
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return self.message.code
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@code.setter
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def code(self, code: str):
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self.message.code = code
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GPS_PRECISION = Decimal('10000000')
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@property
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def latitude(self) -> str:
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if self.message.latitude:
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return str(Decimal(self.message.latitude) / self.GPS_PRECISION)
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@latitude.setter
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def latitude(self, latitude: str):
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latitude = Decimal(latitude)
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assert -90 <= latitude <= 90, "Latitude must be between -90 and 90 degrees."
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self.message.latitude = int(latitude * self.GPS_PRECISION)
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@property
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def longitude(self) -> str:
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if self.message.longitude:
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return str(Decimal(self.message.longitude) / self.GPS_PRECISION)
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@longitude.setter
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def longitude(self, longitude: str):
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longitude = Decimal(longitude)
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assert -180 <= longitude <= 180, "Longitude must be between -180 and 180 degrees."
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self.message.longitude = int(longitude * self.GPS_PRECISION)
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class LocationList(BaseMessageList[Location]):
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__slots__ = ()
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item_class = Location
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def append(self, value):
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self.add().from_value(value)
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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 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 tags(self) -> List:
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return self.message.tags
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@property
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def languages(self) -> LanguageList:
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return LanguageList(self.message.languages)
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@property
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def langtags(self) -> List[str]:
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return [l.langtag for l in self.languages]
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@property
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def locations(self) -> LocationList:
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return LocationList(self.message.locations)
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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, **kwargs):
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for l in ('tags', 'languages', 'locations'):
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if kwargs.pop(f'clear_{l}', False):
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self.message.ClearField('tags')
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items = kwargs.pop(l, None)
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if items is not None:
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if isinstance(items, str):
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getattr(self, l).append(items)
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elif isinstance(items, list):
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getattr(self, l).extend(items)
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else:
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raise ValueError(f"Unknown {l} value: {items}")
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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
|
|
def homepage_url(self, homepage_url: str):
|
|
self.message.homepage_url = homepage_url
|
|
|
|
@property
|
|
def cover_url(self) -> str:
|
|
return self.message.cover_url
|
|
|
|
@cover_url.setter
|
|
def cover_url(self, cover_url: str):
|
|
self.message.cover_url = cover_url
|
|
|
|
|
|
class Stream(BaseClaimSubType):
|
|
|
|
__slots__ = ()
|
|
|
|
def __init__(self, claim: Claim = None):
|
|
super().__init__(claim)
|
|
self.message = self.claim.stream_message
|
|
|
|
def update(
|
|
self, file_path=None, stream_type=None,
|
|
fee_currency=None, fee_amount=None, fee_address=None,
|
|
**kwargs):
|
|
|
|
duration_was_not_set = True
|
|
sub_types = ('image', 'video', 'audio')
|
|
for key in list(kwargs.keys()):
|
|
for sub_type in sub_types:
|
|
if key.startswith(f'{sub_type}_'):
|
|
stream_type = sub_type
|
|
sub_obj = getattr(self, sub_type)
|
|
sub_obj_attr = key[len(f'{sub_type}_'):]
|
|
setattr(sub_obj, sub_obj_attr, kwargs.pop(key))
|
|
if sub_obj_attr == 'duration':
|
|
duration_was_not_set = False
|
|
break
|
|
|
|
if stream_type is not None:
|
|
if stream_type not in sub_types:
|
|
raise Exception(
|
|
f"stream_type of '{stream_type}' is not valid, must be one of: {sub_types}"
|
|
)
|
|
|
|
sub_obj = getattr(self, stream_type)
|
|
if duration_was_not_set and file_path and isinstance(sub_obj, Playable):
|
|
sub_obj.set_duration_from_path(file_path)
|
|
|
|
super().update(**kwargs)
|
|
|
|
if file_path is not None:
|
|
self.media_type = guess_media_type(file_path)
|
|
if not os.path.isfile(file_path):
|
|
raise Exception(f"File does not exist: {file_path}")
|
|
self.file.size = os.path.getsize(file_path)
|
|
if self.file.size == 0:
|
|
raise Exception(f"Cannot publish empty file: {file_path}")
|
|
|
|
if fee_amount and fee_currency:
|
|
if fee_address:
|
|
self.fee.address = fee_address
|
|
if fee_currency.lower() == 'lbc':
|
|
self.fee.lbc = Decimal(fee_amount)
|
|
elif fee_currency.lower() == 'btc':
|
|
self.fee.btc = Decimal(fee_amount)
|
|
elif fee_currency.lower() == 'usd':
|
|
self.fee.usd = Decimal(fee_amount)
|
|
else:
|
|
raise Exception(f'Unknown currency type: {fee_currency}')
|
|
|
|
@property
|
|
def sd_hash(self) -> str:
|
|
return hexlify(self.message.sd_hash).decode()
|
|
|
|
@sd_hash.setter
|
|
def sd_hash(self, sd_hash: str):
|
|
self.message.sd_hash = unhexlify(sd_hash.encode())
|
|
|
|
@property
|
|
def sd_hash_bytes(self) -> bytes:
|
|
return self.message.sd_hash
|
|
|
|
@sd_hash_bytes.setter
|
|
def sd_hash_bytes(self, sd_hash: bytes):
|
|
self.message.sd_hash = sd_hash
|
|
|
|
@property
|
|
def author(self) -> str:
|
|
return self.message.author
|
|
|
|
@author.setter
|
|
def author(self, author: str):
|
|
self.message.author = author
|
|
|
|
@property
|
|
def license(self) -> str:
|
|
return self.message.license
|
|
|
|
@license.setter
|
|
def license(self, license: str):
|
|
self.message.license = license
|
|
|
|
@property
|
|
def license_url(self) -> str:
|
|
return self.message.license_url
|
|
|
|
@license_url.setter
|
|
def license_url(self, license_url: str):
|
|
self.message.license_url = license_url
|
|
|
|
@property
|
|
def release_time(self) -> int:
|
|
return self.message.release_time
|
|
|
|
@release_time.setter
|
|
def release_time(self, release_time: int):
|
|
self.message.release_time = release_time
|
|
|
|
@property
|
|
def media_type(self) -> str:
|
|
return self.message.media_type
|
|
|
|
@media_type.setter
|
|
def media_type(self, media_type: str):
|
|
self.message.media_type = media_type
|
|
|
|
@property
|
|
def fee(self) -> Fee:
|
|
return Fee(self.message.fee)
|
|
|
|
@property
|
|
def has_fee(self) -> bool:
|
|
return self.message.HasField('fee')
|
|
|
|
@property
|
|
def file(self) -> File:
|
|
return File(self.message.file)
|
|
|
|
@property
|
|
def image(self) -> Image:
|
|
return Image(self.message.image)
|
|
|
|
@property
|
|
def video(self) -> Video:
|
|
return Video(self.message.video)
|
|
|
|
@property
|
|
def audio(self) -> Audio:
|
|
return Audio(self.message.audio)
|