Michał Górny avatar Michał Górny committed b9b07ec

Refuse to work if one of the files is not readable.

This somehow brings a common point where the program can fail if
anything weird happens, rather than random points where exceptions are
thrown.

Comments (0)

Files changed (1)

ecleankernel/kernel.py

 		self._refs = 0
 
 	def ref(self):
+		if self._refs == 0:
+			if not os.access(self, os.R_OK):
+				raise OSError('%s not readable, unable to proceed.' % self)
 		self._refs += 1
 
 	def unref(self):
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