From 6c0f35e56e8d26a47d210b12c171bb050d1ab150 Mon Sep 17 00:00:00 2001
From: pjotrp
Date: Tue, 23 Feb 2016 09:27:57 +0000
Subject: Fine tuning file locating

---
 wqflask/utility/tools.py | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

(limited to 'wqflask/utility/tools.py')

diff --git a/wqflask/utility/tools.py b/wqflask/utility/tools.py
index af1ab353..dd40be99 100644
--- a/wqflask/utility/tools.py
+++ b/wqflask/utility/tools.py
@@ -54,10 +54,15 @@ def get_setting(command_id,guess=None):
     return command
 
 def valid_bin(bin):
-    if os.path.islink(bin) or os.path.isfile(bin):
+    if os.path.islink(bin) or valid_file(bin):
         return bin
     return None
 
+def valid_file(fn):
+    if os.path.isfile(fn):
+        return fn
+    return None
+
 def valid_path(dir):
     if os.path.isdir(dir):
         return dir
@@ -89,11 +94,12 @@ def locate(name, subdir=None):
         base = base+"/"+subdir
     if valid_path(base):
         lookfor = base + "/" + name
-        if valid_path(lookfor):
+        if valid_file(lookfor):
             return lookfor
         else:
             raise IOError("Can not locate "+lookfor)
-    raise IOError("Can not locate "+name)
+    if subdir: sys.stderr.write(subdir)
+    raise IOError("Can not locate "+name+" in "+base)
 
 def locate_without_error(name, subdir=None):
     """
@@ -107,7 +113,7 @@ def locate_without_error(name, subdir=None):
         base = base+"/"+subdir
     if valid_path(base):
         lookfor = base + "/" + name
-        if valid_path(lookfor):
+        if valid_file(lookfor):
             return lookfor
     sys.stderr.write("WARNING: file "+name+" not found\n")
     return None
-- 
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