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Toujours supprimer le LAS temporaire du repli PDAL, même en échec

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This commit is contained in:
Antoine Jacquin
2026-09-18 21:13:22 +02:00
parent 340743abe0
commit 1eed1f2029
1 changed files with 9 additions and 8 deletions
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17
lidar_pipeline/dtm.py
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@ -312,6 +312,7 @@ def _read_with_pdal(laz_file):
import tempfile import tempfile
import os import os
tmp_path = None
try: try:
# Convert COPC to LAS via PDAL, then read with laspy # Convert COPC to LAS via PDAL, then read with laspy
with tempfile.NamedTemporaryFile(suffix='.las', delete=False) as tmp: with tempfile.NamedTemporaryFile(suffix='.las', delete=False) as tmp:
@ -331,18 +332,10 @@ def _read_with_pdal(laz_file):
if result.returncode != 0: if result.returncode != 0:
logger.warning(f" PDAL conversion échouée: {result.stderr[:200]}") logger.warning(f" PDAL conversion échouée: {result.stderr[:200]}")
try:
os.unlink(tmp_path)
except Exception:
pass
return None return None
import laspy import laspy
las = laspy.read(tmp_path) las = laspy.read(tmp_path)
try:
os.unlink(tmp_path)
except Exception:
pass
if len(las.points) == 0: if len(las.points) == 0:
logger.warning(f" PDAL: conversion réussie mais 0 points") logger.warning(f" PDAL: conversion réussie mais 0 points")
return None return None
@ -351,6 +344,14 @@ def _read_with_pdal(laz_file):
except Exception as e: except Exception as e:
logger.warning(f" PDAL fallback échoué: {e}") logger.warning(f" PDAL fallback échoué: {e}")
return None return None
finally:
# Toujours supprimer le LAS temporaire, même en cas d'exception
# (timeout subprocess, laspy.read échoué…) : sinon fuite de ~Go.
if tmp_path:
try:
os.unlink(tmp_path)
except Exception:
pass
def detect_ground_method(laz_file): def detect_ground_method(laz_file):