replace platform-specific checks with platform-independent checks for…

… graphviz, fix #151
sys-bio · Nov 17, 2016 · c643a81 · c643a81
1 parent f549980
commit c643a81
Showing 1 changed file with 1 addition and 4 deletions.
diff --git a/tellurium/tellurium.py b/tellurium/tellurium.py
@@ -728,10 +728,7 @@ def draw(self, **kwargs):
         shaded in blue), reactions as grey squares.
         Currently only the drawing of medium-size networks is supported.
         """
-        if sys.platform == 'win32' and 'Graphviz' not in os.environ['PATH']:
-            warnings.warn("Graphviz is not installed in your machine. 'draw' command cannot produce a diagram",
-                Warning, stacklevel=2)
-        elif sys.platform == 'darwin' and 'graphviz' not in os.environ['PATH']:
+        if any([ os.access( os.path.join( p, 'dot' ), os.X_OK ) for p in os.environ['PATH'].split( os.pathsep )]):
             warnings.warn("Graphviz is not installed in your machine. 'draw' command cannot produce a diagram",
                 Warning, stacklevel=2)
         else: