From 73da4329f13ec727cf004d4eb5523f0e7683e2b5 Mon Sep 17 00:00:00 2001
From: "benjamin.jakimow@geo.hu-berlin.de" <q8DTkxUg-BB>
Date: Fri, 17 Mar 2017 14:15:32 +0100
Subject: [PATCH] VRT_SHARED_SOURCE=0 to not crash when loading massive number
of VRTs
---
timeseriesviewer/timeseries.py | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/timeseriesviewer/timeseries.py b/timeseriesviewer/timeseries.py
index b026ce9b..d123df61 100644
--- a/timeseriesviewer/timeseries.py
+++ b/timeseriesviewer/timeseries.py
@@ -12,6 +12,8 @@ from PyQt4.QtCore import *
from PyQt4.QtXml import *
from osgeo import gdal, ogr
+gdal.SetConfigOption('VRT_SHARED_SOURCE', '0') #!important. really. do not change this.
+
import numpy as np
from timeseriesviewer import DIR_REPO, DIR_EXAMPLES, dprint, jp, findAbsolutePath
@@ -187,17 +189,20 @@ def verifyInputImage(path, vrtInspection=''):
if not os.path.exists(path):
print('{}Image does not exist: '.format(vrtInspection, path))
return False
+
ds = gdal.Open(path)
+
if not ds:
print('{}GDAL unable to open: '.format(vrtInspection, path))
return False
+
if ds.GetDriver().ShortName == 'VRT':
vrtInspection = 'VRT Inspection {}\n'.format(path)
- validSrc = [verifyInputImage(p, vrtInspection=vrtInspection) for p in set(ds.GetFileList()) - set([path])]
+ nextFiles = set(ds.GetFileList()) - set([path])
+ validSrc = [verifyInputImage(p, vrtInspection=vrtInspection) for p in nextFiles]
if not all(validSrc):
return False
- else:
- return True
+ return True
def pixel2coord(gt, x, y):
"""Returns global coordinates from pixel x, y coords"""
@@ -220,7 +225,7 @@ class TimeSeriesDatum(QObject):
if verifyInputImage(p):
try:
- tsd =TimeSeriesDatum(None, p)
+ tsd = TimeSeriesDatum(None, p)
except :
pass
--
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