tree a504aa9fed91cd31849cdda3ecb1dad439a93778
parent 91b69b77cf5f78de6d35dea23098df34b6fd9e53
author Pablo Galindo <Pablogsal@gmail.com> 1619184425 +0100
committer GitHub <noreply@github.com> 1619184425 +0100
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bpo-43914: Highlight invalid ranges in SyntaxErrors (#25525)

To improve the user experience understanding what part of the error messages associated with SyntaxErrors is wrong, we can highlight the whole error range and not only place the caret at the first character. In this way:

>>> foo(x, z for z in range(10), t, w)
  File "<stdin>", line 1
    foo(x, z for z in range(10), t, w)
           ^
SyntaxError: Generator expression must be parenthesized

becomes

>>> foo(x, z for z in range(10), t, w)
  File "<stdin>", line 1
    foo(x, z for z in range(10), t, w)
           ^^^^^^^^^^^^^^^^^^^^
SyntaxError: Generator expression must be parenthesized