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test_ok1/changelog/7264.improvement.rst

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Improve our own wcwidth implementation and remove dependency on wcwidth package `TerminalWriter`, imported recently from `py`, contains its own incomplete wcwidth (`char_with`/`get_line_width`) implementation. The `TerminalReporter` also needs this, but uses the external `wcwidth` package. This commit brings the `TerminalWriter` implementation up-to-par with `wcwidth`, moves to implementation to a new file `_pytest._io.wcwidth` which is used everywhere, and removes the dependency. The differences compared to the `wcwidth` package are: - Normalizes the string before counting. - Uses Python's `unicodedata` instead of vendored Unicode tables. This means the data corresponds to the Python's version Unicode version instead of the `wcwidth`'s package version. - Apply some optimizations.
2020-05-26 19:59:16 +08:00
The dependency on the ``wcwidth`` package has been removed.