"""Paths and constants shared by all modules of the gate_lag study."""
import os

STUDY = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
CODE = os.path.join(STUDY, "code")
DATA = os.path.join(STUDY, "data")
FIGS = os.path.join(STUDY, "figures")
RAW = os.environ.get("GATE_LAG_RAW", "fermi_raw/gate_lag")

for d in (DATA, FIGS, RAW):
    os.makedirs(d, exist_ok=True)

SEED = 20261012

# Present atmospheric level of O2 expressed as a volume mixing ratio (per cent)
PAL_PERCENT = 20.95
# 1 PAL in Pa at 1 bar total pressure (used to convert Catling et al. 2005 thresholds)
PAL_PA = 21200.0