Files
seisee/index_time_ranges.py

58 lines
1.8 KiB
Python

import os, re, json, h5py
from pathlib import Path
from datetime import datetime
from tqdm import tqdm
DATA_ROOTS = [Path("/mnt/kingston"), Path("/mnt/data_sdb1")]
OUTPUT_INDEX = Path("/mnt/kingston/seismic_webapp/data/index.json")
SAMPLE_RATE = 200
def scan():
index = {}
file_count = 0
print("Scanning H5 files for time ranges...")
# On récupère d'abord les fichiers
all_files = []
for root in DATA_ROOTS:
all_files.extend(list(root.rglob("*.h5")))
for h5_path in tqdm(all_files):
try:
# On extrait ID node du nom de fichier
match = re.search(r'_b(\d+)_', h5_path.name)
if not match: continue
nid = match.group(1)
# On ouvre le fichier pour avoir le VRAI timestamp et la durée
with h5py.File(h5_path, 'r') as f:
if 'adc_values' not in f: continue
ds = f['adc_values']
start_ts = int(ds.attrs.get('timestamp', 0))
if start_ts == 0: continue
duration = ds.shape[0] / SAMPLE_RATE
end_ts = start_ts + duration
if nid not in index: index[nid] = []
index[nid].append({
'path': str(h5_path),
'start': start_ts,
'end': end_ts,
'channels': ['ch0', 'ch1', 'ch2', 'ch3']
})
file_count += 1
except: continue
# Sauvegarder l'index
with open(OUTPUT_INDEX, 'w') as f:
json.dump({
'generated_at': datetime.now().isoformat(),
'sample_rate_hz': SAMPLE_RATE,
'files_by_node': index
}, f)
print(f"Index généré: {file_count} fichiers avec plages temporelles réelles.")
if __name__ == '__main__': scan()