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refactor: separate constants from config.py into constant.py #2113

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refactor: separate constants from config.py into constant.py #2113

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24 changes: 11 additions & 13 deletions qlib/config.py
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Original file line number Diff line number Diff line change
Expand Up @@ -17,12 +17,21 @@
import copy
import logging
import platform
import multiprocessing
from pathlib import Path
from typing import Callable, Optional, Union
from typing import TYPE_CHECKING

from qlib.constant import REG_CN, REG_US, REG_TW
from qlib.constant import (
REG_CN,
REG_US,
REG_TW,
PROTOCOL_VERSION,
NUM_USABLE_CPU,
DISK_DATASET_CACHE,
SIMPLE_DATASET_CACHE,
DISK_EXPRESSION_CACHE,
DEPENDENCY_REDIS_CACHE,
)

if TYPE_CHECKING:
from qlib.utils.time import Freq
Expand Down Expand Up @@ -120,17 +129,6 @@ def register_from_C(config, skip_register=True):
C.register()


# pickle.dump protocol version: https://docs.python.org/3/library/pickle.html#data-stream-format
PROTOCOL_VERSION = 4

NUM_USABLE_CPU = max(multiprocessing.cpu_count() - 2, 1)

DISK_DATASET_CACHE = "DiskDatasetCache"
SIMPLE_DATASET_CACHE = "SimpleDatasetCache"
DISK_EXPRESSION_CACHE = "DiskExpressionCache"

DEPENDENCY_REDIS_CACHE = (DISK_DATASET_CACHE, DISK_EXPRESSION_CACHE)

_default_config = {
# data provider config
"calendar_provider": "LocalCalendarProvider",
Expand Down
12 changes: 12 additions & 0 deletions qlib/constant.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@
# Licensed under the MIT License.

# REGION CONST
import multiprocessing
from typing import TypeVar

import numpy as np
Expand All @@ -20,3 +21,14 @@
ONE_MIN = pd.Timedelta("1min")
EPS_T = pd.Timedelta("1s") # use 1 second to exclude the right interval point
float_or_ndarray = TypeVar("float_or_ndarray", float, np.ndarray)

# pickle.dump protocol version: https://docs.python.org/3/library/pickle.html#data-stream-format
PROTOCOL_VERSION = 4

NUM_USABLE_CPU = max(multiprocessing.cpu_count() - 2, 1)

DISK_DATASET_CACHE = "DiskDatasetCache"
SIMPLE_DATASET_CACHE = "SimpleDatasetCache"
DISK_EXPRESSION_CACHE = "DiskExpressionCache"

DEPENDENCY_REDIS_CACHE = (DISK_DATASET_CACHE, DISK_EXPRESSION_CACHE)