From f83150d9d1be03cff23d2cd5336bfe0ee8fcf505 Mon Sep 17 00:00:00 2001
From: Rashad Kanavath <rashad.kanavath.email.com>
Date: Wed, 4 Jul 2018 18:18:10 +0200
Subject: [PATCH] check dir exsit for otb install

---
 otb/OTBAlgorithmProvider.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/otb/OTBAlgorithmProvider.py b/otb/OTBAlgorithmProvider.py
index 690f35e..66b167a 100755
--- a/otb/OTBAlgorithmProvider.py
+++ b/otb/OTBAlgorithmProvider.py
@@ -77,7 +77,7 @@ class OTBAlgorithmProvider(QgsProcessingProvider):
         otb_app_dirs =  self.otb_app_dir_list(v)
         if len(otb_app_dirs) < 1:
             self.setActive(False)
-            raise ValueError(self.tr("Invalid path given for 'OTB application folder'. OTB provider will be disabled"))
+            raise ValueError(self.tr("'{}' does not exist. OTB provider will be disabled".format(v)))
 
         #isValid is True if there is atleast one valid otb application is given path
         isValid = False
@@ -121,6 +121,8 @@ class OTBAlgorithmProvider(QgsProcessingProvider):
         if not self.isActive():
             return
         if not v or not os.path.exists(v):
+            self.setActive(False)
+            raise ValueError(self.tr("'{}' does not exist. OTB provider will be disabled".format(v)))
             return
         path = self.normalize_path(v)
         if not os.path.exists(os.path.join(path,'bin', otb_exe_file('otbApplicationLauncherCommandLine'))):
-- 
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