forked from LBRYCommunity/lbry-sdk
524 lines
17 KiB
Python
524 lines
17 KiB
Python
import os
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import re
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import sys
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import typing
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import logging
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import yaml
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from argparse import ArgumentParser
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from contextlib import contextmanager
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from appdirs import user_data_dir, user_config_dir
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from lbrynet.error import InvalidCurrencyError
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from lbrynet.dht import constants
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log = logging.getLogger(__name__)
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NOT_SET = type(str('NOT_SET'), (object,), {})
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T = typing.TypeVar('T')
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KB = 2 ** 10
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MB = 2 ** 20
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ANALYTICS_ENDPOINT = 'https://api.segment.io/v1'
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ANALYTICS_TOKEN = 'Ax5LZzR1o3q3Z3WjATASDwR5rKyHH0qOIRIbLmMXn2H='
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API_ADDRESS = 'lbryapi'
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APP_NAME = 'LBRY'
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BLOBFILES_DIR = 'blobfiles'
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CRYPTSD_FILE_EXTENSION = '.cryptsd'
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CURRENCIES = {
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'BTC': {'type': 'crypto'},
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'LBC': {'type': 'crypto'},
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'USD': {'type': 'fiat'},
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}
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ICON_PATH = 'icons' if 'win' in sys.platform else 'app.icns'
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LOG_FILE_NAME = 'lbrynet.log'
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LOG_POST_URL = 'https://lbry.io/log-upload'
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MAX_BLOB_REQUEST_SIZE = 64 * KB
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MAX_HANDSHAKE_SIZE = 64 * KB
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MAX_REQUEST_SIZE = 64 * KB
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MAX_RESPONSE_INFO_SIZE = 64 * KB
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MAX_BLOB_INFOS_TO_REQUEST = 20
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PROTOCOL_PREFIX = 'lbry'
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SLACK_WEBHOOK = (
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'nUE0pUZ6Yl9bo29epl5moTSwnl5wo20ip2IlqzywMKZiIQSFZR5'
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'AHx4mY0VmF0WQZ1ESEP9kMHZlp1WzJwWOoKN3ImR1M2yUAaMyqGZ='
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)
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HEADERS_FILE_SHA256_CHECKSUM = (
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366295, 'b0c8197153a33ccbc52fb81a279588b6015b68b7726f73f6a2b81f7e25bfe4b9'
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)
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class Setting(typing.Generic[T]):
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def __init__(self, doc: str, default: typing.Optional[T] = None,
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previous_names: typing.Optional[typing.List[str]] = None,
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metavar: typing.Optional[str] = None):
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self.doc = doc
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self.default = default
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self.previous_names = previous_names or []
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self.metavar = metavar
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def __set_name__(self, owner, name):
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self.name = name
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def __get__(self, obj: typing.Optional['BaseConfig'], owner) -> T:
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if obj is None:
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return self
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for location in obj.search_order:
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if self.name in location:
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return location[self.name]
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return self.default
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def __set__(self, obj: 'BaseConfig', val: typing.Union[T, NOT_SET]):
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if val == NOT_SET:
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for location in obj.modify_order:
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if self.name in location:
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del location[self.name]
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else:
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self.validate(val)
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for location in obj.modify_order:
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location[self.name] = val
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def validate(self, val):
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raise NotImplementedError()
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def deserialize(self, value):
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return value
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def serialize(self, value):
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return value
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class String(Setting[str]):
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def validate(self, val):
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assert isinstance(val, str), \
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f"Setting '{self.name}' must be a string."
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class Integer(Setting[int]):
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def validate(self, val):
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assert isinstance(val, int), \
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f"Setting '{self.name}' must be an integer."
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class Float(Setting[float]):
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def validate(self, val):
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assert isinstance(val, float), \
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f"Setting '{self.name}' must be a decimal."
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class Toggle(Setting[bool]):
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def validate(self, val):
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assert isinstance(val, bool), \
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f"Setting '{self.name}' must be a true/false value."
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class Path(String):
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def __init__(self, doc: str, default: str = '', *args, **kwargs):
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super().__init__(doc, default, *args, **kwargs)
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def __get__(self, obj, owner):
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value = super().__get__(obj, owner)
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if isinstance(value, str):
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return os.path.expanduser(os.path.expandvars(value))
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return value
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class MaxKeyFee(Setting[dict]):
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def validate(self, value):
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assert isinstance(value, dict), \
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f"Setting '{self.name}' must be of the format \"{'currency': 'USD', 'amount': 50.0}\"."
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assert set(value) == {'currency', 'amount'}, \
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f"Setting '{self.name}' must contain a 'currency' and an 'amount' field."
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currency = str(value["currency"]).upper()
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if currency not in CURRENCIES:
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raise InvalidCurrencyError(currency)
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class Servers(Setting[list]):
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def validate(self, val):
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assert isinstance(val, (tuple, list)), \
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f"Setting '{self.name}' must be a tuple or list of servers."
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for idx, server in enumerate(val):
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assert isinstance(server, (tuple, list)) and len(server) == 2, \
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f"Server defined '{server}' at index {idx} in setting " \
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f"'{self.name}' must be a tuple or list of two items."
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assert isinstance(server[0], str), \
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f"Server defined '{server}' at index {idx} in setting " \
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f"'{self.name}' must be have hostname as string in first position."
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assert isinstance(server[1], int), \
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f"Server defined '{server}' at index {idx} in setting " \
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f"'{self.name}' must be have port as int in second position."
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def deserialize(self, value):
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servers = []
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if isinstance(value, list):
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for server in value:
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if isinstance(server, str) and server.count(':') == 1:
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host, port = server.split(':')
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try:
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servers.append((host, int(port)))
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except ValueError:
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pass
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return servers
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def serialize(self, value):
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if value:
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return [f"{host}:{port}" for host, port in value]
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return value
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class Strings(Setting[list]):
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def validate(self, val):
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assert isinstance(val, (tuple, list)), \
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f"Setting '{self.name}' must be a tuple or list of strings."
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for idx, string in enumerate(val):
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assert isinstance(string, str), \
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f"Value of '{string}' at index {idx} in setting " \
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f"'{self.name}' must be a string."
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class EnvironmentAccess:
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PREFIX = 'LBRY_'
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def __init__(self, environ: dict):
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self.environ = environ
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def __contains__(self, item: str):
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return f'{self.PREFIX}{item.upper()}' in self.environ
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def __getitem__(self, item: str):
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return self.environ[f'{self.PREFIX}{item.upper()}']
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class ArgumentAccess:
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def __init__(self, args: dict):
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self.args = args
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def __contains__(self, item: str):
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return getattr(self.args, item, None) is not None
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def __getitem__(self, item: str):
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return getattr(self.args, item)
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class ConfigFileAccess:
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def __init__(self, config: 'BaseConfig', path: str):
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self.configuration = config
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self.path = path
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self.data = {}
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if self.exists:
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self.load()
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@property
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def exists(self):
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return self.path and os.path.exists(self.path)
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def load(self):
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cls = type(self.configuration)
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with open(self.path, 'r') as config_file:
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raw = config_file.read()
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serialized = yaml.load(raw) or {}
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for key, value in serialized.items():
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attr = getattr(cls, key, None)
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if attr is None:
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for setting in self.configuration.settings:
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if key in setting.previous_names:
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attr = setting
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break
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if attr is not None:
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self.data[key] = attr.deserialize(value)
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def save(self):
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cls = type(self.configuration)
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serialized = {}
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for key, value in self.data.items():
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attr = getattr(cls, key)
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serialized[key] = attr.serialize(value)
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with open(self.path, 'w') as config_file:
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config_file.write(yaml.safe_dump(serialized, default_flow_style=False))
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def upgrade(self) -> bool:
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upgraded = False
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for key in list(self.data):
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for setting in self.configuration.settings:
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if key in setting.previous_names:
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self.data[setting.name] = self.data[key]
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del self.data[key]
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upgraded = True
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break
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return upgraded
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def __contains__(self, item: str):
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return item in self.data
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def __getitem__(self, item: str):
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return self.data[item]
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def __setitem__(self, key, value):
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self.data[key] = value
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def __delitem__(self, key):
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del self.data[key]
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class BaseConfig:
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config = Path("Path to configuration file.")
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def __init__(self, **kwargs):
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self.runtime = {} # set internally or by various API calls
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self.arguments = {} # from command line arguments
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self.environment = {} # from environment variables
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self.persisted = {} # from config file
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self._updating_config = False
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for key, value in kwargs.items():
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setattr(self, key, value)
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@contextmanager
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def update_config(self):
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if not isinstance(self.persisted, ConfigFileAccess):
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raise TypeError("Config file cannot be updated.")
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self._updating_config = True
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yield self
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self._updating_config = False
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self.persisted.save()
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@property
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def modify_order(self):
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locations = [self.runtime]
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if self._updating_config:
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locations.append(self.persisted)
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return locations
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@property
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def search_order(self):
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return [
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self.runtime,
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self.arguments,
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self.environment,
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self.persisted
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]
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@classmethod
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def get_settings(cls):
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for setting in cls.__dict__.values():
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if isinstance(setting, Setting):
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yield setting
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@property
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def settings(self):
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return self.get_settings()
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@property
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def settings_dict(self):
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return {
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setting.name: getattr(self, setting.name) for setting in self.settings
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}
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@classmethod
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def create_from_arguments(cls, args):
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conf = cls()
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conf.set_arguments(args)
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conf.set_environment()
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conf.set_persisted()
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return conf
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@classmethod
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def contribute_args(cls, parser: ArgumentParser):
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for setting in cls.get_settings():
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if isinstance(setting, Toggle):
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parser.add_argument(
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f"--{setting.name.replace('_', '-')}",
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help=setting.doc,
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action="store_true"
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)
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else:
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parser.add_argument(
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f"--{setting.name.replace('_', '-')}",
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help=setting.doc,
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metavar=setting.metavar
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)
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def set_arguments(self, args):
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self.arguments = ArgumentAccess(args)
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def set_environment(self, environ=None):
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self.environment = EnvironmentAccess(environ or os.environ)
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def set_persisted(self, config_file_path=None):
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if config_file_path is None:
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config_file_path = self.config
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if not config_file_path:
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return
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ext = os.path.splitext(config_file_path)[1]
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assert ext in ('.yml', '.yaml'),\
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f"File extension '{ext}' is not supported, " \
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f"configuration file must be in YAML (.yaml)."
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self.persisted = ConfigFileAccess(self, config_file_path)
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if self.persisted.upgrade():
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self.persisted.save()
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class CLIConfig(BaseConfig):
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api = String('Host name and port for lbrynet daemon API.', 'localhost:5279', metavar='HOST:PORT')
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@property
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def api_connection_url(self) -> str:
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return f"http://{self.api}/lbryapi"
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@property
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def api_host(self):
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return self.api.split(':')[0]
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@property
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def api_port(self):
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return int(self.api.split(':')[1])
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class Config(CLIConfig):
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data_dir = Path("Directory path to store blobs.")
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download_dir = Path("Directory path to place assembled files downloaded from LBRY.")
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wallet_dir = Path(
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"Directory containing a 'wallets' subdirectory with 'default_wallet' file.",
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previous_names=['lbryum_wallet_dir']
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)
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share_usage_data = Toggle(
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"Whether to share usage stats and diagnostic info with LBRY.", True,
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previous_names=['upload_log', 'upload_log', 'share_debug_info']
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)
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# claims set to expire within this many blocks will be
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# automatically renewed after startup (if set to 0, renews
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# will not be made automatically)
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auto_renew_claim_height_delta = Integer("", 0)
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cache_time = Integer("", 150)
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data_rate = Float("points/megabyte", .0001)
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delete_blobs_on_remove = Toggle("", True)
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dht_node_port = Integer("", 4444)
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download_timeout = Float("", 30.0)
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blob_download_timeout = Float("", 20.0)
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peer_connect_timeout = Float("", 3.0)
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node_rpc_timeout = Float("", constants.rpc_timeout)
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is_generous_host = Toggle("", True)
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announce_head_blobs_only = Toggle("", True)
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concurrent_announcers = Integer("", 10)
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known_dht_nodes = Servers("", [
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('lbrynet1.lbry.io', 4444), # US EAST
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('lbrynet2.lbry.io', 4444), # US WEST
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('lbrynet3.lbry.io', 4444), # EU
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('lbrynet4.lbry.io', 4444) # ASIA
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])
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max_connections_per_stream = Integer("", 5)
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seek_head_blob_first = Toggle("", True)
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# TODO: writing json on the cmd line is a pain, come up with a nicer
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# parser for this data structure. maybe 'USD:25'
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max_key_fee = MaxKeyFee("", {'currency': 'USD', 'amount': 50.0})
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disable_max_key_fee = Toggle("", False)
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min_info_rate = Float("points/1000 infos", .02)
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min_valuable_hash_rate = Float("points/1000 infos", .05)
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min_valuable_info_rate = Float("points/1000 infos", .05)
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peer_port = Integer("", 3333)
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pointtrader_server = String("", 'http://127.0.0.1:2424')
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reflector_port = Integer("", 5566)
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# if reflect_uploads is True, send files to reflector after publishing (as well as a periodic check in the
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# event the initial upload failed or was disconnected part way through, provided the auto_re_reflect_interval > 0)
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reflect_uploads = Toggle("", True)
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auto_re_reflect_interval = Integer("set to 0 to disable", 86400)
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reflector_servers = Servers("", [
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('reflector.lbry.io', 5566)
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])
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run_reflector_server = Toggle("adds reflector to components_to_skip unless True", False)
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sd_download_timeout = Integer("", 3)
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peer_search_timeout = Integer("", 60)
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use_upnp = Toggle("", True)
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use_keyring = Toggle("", False)
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blockchain_name = String("", 'lbrycrd_main')
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lbryum_servers = Servers("", [
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('lbryumx1.lbry.io', 50001),
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('lbryumx2.lbry.io', 50001)
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])
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s3_headers_depth = Integer("download headers from s3 when the local height is more than 10 chunks behind", 96 * 10)
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components_to_skip = Strings("components which will be skipped during start-up of daemon", [])
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def __init__(self, **kwargs):
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super().__init__(**kwargs)
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self.set_default_paths()
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def set_default_paths(self):
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if 'darwin' in sys.platform.lower():
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get_directories = get_darwin_directories
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elif 'win' in sys.platform.lower():
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get_directories = get_windows_directories
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elif 'linux' in sys.platform.lower():
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get_directories = get_linux_directories
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else:
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return
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cls = type(self)
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cls.data_dir.default, cls.wallet_dir.default, cls.download_dir.default = get_directories()
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cls.config.default = os.path.join(
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self.data_dir, 'daemon_settings.yml'
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)
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@property
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def log_file_path(self):
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return os.path.join(self.data_dir, 'lbrynet.log')
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def get_windows_directories() -> typing.Tuple[str, str, str]:
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from lbrynet.winpaths import get_path, FOLDERID, UserHandle
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download_dir = get_path(FOLDERID.Downloads, UserHandle.current)
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# old
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appdata = get_path(FOLDERID.RoamingAppData, UserHandle.current)
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data_dir = os.path.join(appdata, 'lbrynet')
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lbryum_dir = os.path.join(appdata, 'lbryum')
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if os.path.isdir(data_dir) or os.path.isdir(lbryum_dir):
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return data_dir, lbryum_dir, download_dir
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# new
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data_dir = user_data_dir('lbrynet', 'lbry')
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lbryum_dir = user_data_dir('lbryum', 'lbry')
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download_dir = get_path(FOLDERID.Downloads, UserHandle.current)
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return data_dir, lbryum_dir, download_dir
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def get_darwin_directories() -> typing.Tuple[str, str, str]:
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data_dir = user_data_dir('LBRY')
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lbryum_dir = os.path.expanduser('~/.lbryum')
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download_dir = os.path.expanduser('~/Downloads')
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return data_dir, lbryum_dir, download_dir
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def get_linux_directories() -> typing.Tuple[str, str, str]:
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try:
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with open(os.path.join(user_config_dir(), 'user-dirs.dirs'), 'r') as xdg:
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down_dir = re.search(r'XDG_DOWNLOAD_DIR=(.+)', xdg.read()).group(1)
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|
down_dir = re.sub('\$HOME', os.getenv('HOME') or os.path.expanduser("~/"), down_dir)
|
|
download_dir = re.sub('\"', '', down_dir)
|
|
except EnvironmentError:
|
|
download_dir = os.getenv('XDG_DOWNLOAD_DIR')
|
|
if not download_dir:
|
|
download_dir = os.path.expanduser('~/Downloads')
|
|
|
|
# old
|
|
data_dir = os.path.expanduser('~/.lbrynet')
|
|
lbryum_dir = os.path.expanduser('~/.lbryum')
|
|
if os.path.isdir(data_dir) or os.path.isdir(lbryum_dir):
|
|
return data_dir, lbryum_dir, download_dir
|
|
|
|
# new
|
|
return user_data_dir('lbry/lbrynet'), user_data_dir('lbry/lbryum'), download_dir
|