Raise an OverflowError if the input data is too large, instead of silently
truncating the input and returning an incorrect result.

Raise an OverflowError if the input data is too large, instead of silently
truncating the input and returning an incorrect result.

the expected builtin modules are not present.

This includes a unittest for __get_builtin_constructor() in the face
of such an error.

Issue #6378: Further adjust idle.bat to start associated Python

Also, make sure that test_zlib tests decompress() for overly-large inputs.

attribute when called without a max_length argument.

attribute when called without a max_length argument.

a smarter "py-bt" command printing a classic Python traceback.

on a file opened in read+write mode (namely: reading, seeking a bit forward,
writing, then seeking before the previous write but still within buffered
data, and writing again).

on a file opened in read+write mode (namely: reading, seeking a bit forward,
writing, then seeking before the previous write but still within buffered
data, and writing again).