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bpo-36817: Add f-string debugging using '='. (GH-13123)

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If a "=" is specified a the end of an f-string expression, the f-string will evaluate to the text of the expression, followed by '=', followed by the repr of the value of the expression.
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Eric V. Smith 2019-05-08 16:28:48 -04:00 • committed by GitHub
parent 65d98d0f53
commit 9a4135e939
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11 changed files with 286 additions and 49 deletions
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10
Python/ceval.c
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@ -3435,13 +3435,15 @@ main_loop:
/* See if any conversion is specified. */
switch (which_conversion) {
case FVC_NONE: conv_fn = NULL; break;
case FVC_STR: conv_fn = PyObject_Str; break;
case FVC_REPR: conv_fn = PyObject_Repr; break;
case FVC_ASCII: conv_fn = PyObject_ASCII; break;
/* Must be 0 (meaning no conversion), since only four
values are allowed by (oparg & FVC_MASK). */
default: conv_fn = NULL; break;
default:
PyErr_Format(PyExc_SystemError,
"unexpected conversion flag %d",
which_conversion);
goto error;
}
/* If there's a conversion function, call it and replace