pairs_trading/lib/tools/filetools.py
Oleg Sheynin b196863a34 progress
2026-01-11 13:33:58 +00:00

38 lines
1.5 KiB
Python

import os
import glob
from typing import Dict, List, Tuple
# ---
from cvttpy_tools.config import CvttAppConfig
# ---
from cvttpy_trading.trading.instrument import ExchangeInstrument
DayT = str
DataFileNameT = str
def resolve_datafiles(
config: Dict, date_pattern: str, instruments: List[ExchangeInstrument]
) -> List[Tuple[DayT, DataFileNameT]]:
resolved_files: List[Tuple[DayT, DataFileNameT]] = []
for exch_inst in instruments:
pattern = date_pattern
inst_type = exch_inst.user_data_.get("instrument_type", "?instrument_type?")
data_dir = config["market_data_loading"][inst_type]["data_directory"]
if "*" in pattern or "?" in pattern:
# Handle wildcards
if not os.path.isabs(pattern):
pattern = os.path.join(data_dir, f"{pattern}.mktdata.ohlcv.db")
matched_files = glob.glob(pattern)
for matched_file in matched_files:
import re
match = re.search(r"(\d{8})\.mktdata\.ohlcv\.db$", matched_file)
assert match is not None
day = match.group(1)
resolved_files.append((day, matched_file))
else:
# Handle explicit file path
if not os.path.isabs(pattern):
pattern = os.path.join(data_dir, f"{pattern}.mktdata.ohlcv.db")
resolved_files.append((date_pattern, pattern))
return sorted(list(set(resolved_files))) # Remove duplicates and sort