wip

slapos/runner/utils.py

@@ -761,16 +761,14 @@ def readFileFrom(f, lastPosition, limit=20000):
   }
 
 
+text_range = str2bytes(''.join(map(chr, [7, 8, 9, 10, 12, 13, 27]
+                                        + list(range(0x20, 0x100)))))
 def isText(file):
   """Return True if the mimetype of file is Text"""
-  if not os.path.exists(file):
-    return False
-  text_range = str2bytes(''.join(map(chr, [7, 8, 9, 10, 12, 13, 27]
-                                          + list(range(0x20, 0x100)))))
-  is_binary_string = lambda bytes: bool(bytes.translate(None, text_range))
   try:
-    return not is_binary_string(open(file).read(1024))
-  except:
+    with open(file, 'rb') as f:
+      return not f.read(1024).translate(None, text_range)
+  except Exception:
     return False