mirror of https://github.com/python/cpython
While I was modifying test_trace, it threw an exception when I accidentally
made it try to set the line number from the trace callback for a 'call' event. This patch makes the error message a little more helpful in that case, and makes it a little less likely that a future editor will make the same mistake in test_trace.
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@ -471,7 +471,7 @@ class JumpTracer:
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def trace(self, frame, event, arg):
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if not self.done and frame.f_code == self.function.func_code:
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firstLine = frame.f_code.co_firstlineno
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if frame.f_lineno == firstLine + self.jumpFrom:
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if event == 'line' and frame.f_lineno == firstLine + self.jumpFrom:
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# Cope with non-integer self.jumpTo (because of
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# no_jump_to_non_integers below).
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try:
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@ -127,7 +127,8 @@ frame_setlineno(PyFrameObject *f, PyObject* p_new_lineno)
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if (!f->f_trace)
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{
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PyErr_Format(PyExc_ValueError,
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"f_lineno can only be set by a trace function");
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"f_lineno can only be set by a"
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" line trace function");
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return -1;
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}
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