From 9e4c8f01e1a0aa49d218f7909ed5b7979ffc6fb9 Mon Sep 17 00:00:00 2001
From: Pjotr Prins
Date: Fri, 7 Oct 2016 07:05:22 +0000
Subject: Saner handling of TMPDIR and TEMPDIR Throw error when TMPDIRs are not
 writable

---
 wqflask/utility/tools.py | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

(limited to 'wqflask/utility')

diff --git a/wqflask/utility/tools.py b/wqflask/utility/tools.py
index 23d6fb62..5105ba42 100644
--- a/wqflask/utility/tools.py
+++ b/wqflask/utility/tools.py
@@ -113,6 +113,16 @@ def assert_dir(dir):
         raise Exception("ERROR: can not find directory "+dir)
     return dir
 
+def assert_writable_dir(dir):
+    try:
+        fn = dir + "/test.txt"
+        fh = open( fn, 'w' )
+        fh.write("I am writing this text to the file\n")
+        fh.close()
+        os.remove(fn)
+    except IOError:
+        raise Exception('Unable to write to directory ' + dir )
+    return dir
 
 def mk_dir(dir):
     if not valid_path(dir):
@@ -205,7 +215,7 @@ GENENETWORK_FILES  = get_setting('GENENETWORK_FILES')
 PYLMM_COMMAND      = pylmm_command()
 GEMMA_COMMAND      = gemma_command()
 PLINK_COMMAND      = plink_command()
-TEMPDIR            = tempdir()
+TEMPDIR            = tempdir() # defaults to UNIX TMPDIR
 
 from six import string_types
 
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