multiple tracing per run

Marcel Hellwig <[email protected]> Mon, 25 Jan 2016 20:14:02 +0100

Newsgroups	gmane.comp.python.myhdl
Message-ID	<[email protected]>

Hello everyone,

I use python unittest for testing things and sometimes I want to have a
closer look, why something fails and create a vcd dump.
The problem is, when I want to dump multiple test-cases, this won't
work, because of

> ERROR: test_write_read (__main__.MyTestCase)
> ----------------------------------------------------------------------
> Traceback (most recent call last):
>   File "test_registerbank.py", line 30, in wrapper
>     return Simulation(self.dut_cl, clkGen, stimulus).run()
>   File
> "/home/marcel/projects/micro/VE2/lib/python2.7/site-packages/myhdl/_Simulation.py",
> line 129, in run
>     _extend(s._update())
>   File
> "/home/marcel/projects/micro/VE2/lib/python2.7/site-packages/myhdl/_Signal.py",
> line 201, in _update
>     self._printVcd()
>   File
> "/home/marcel/projects/micro/VE2/lib/python2.7/site-packages/myhdl/_Signal.py",
> line 321, in _printVcdBit
>     print("%d%s" % (self._val, self._code), file=sim._tf)
> ValueError: I/O operation on closed file

Is there a change to do a clean shutdown of the old trace-run and start
a new one (e.g. putting that code in setup and teardown method of the
testcase)

Regards,
Marcel

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