The following code works:
>>> print(sys.version)
2.7.16 (default, Mar 11 2019, 18:59:25)
>>> def f(): pass
>>> print(f.__code__)
<code object f at 0x7f8534ecc8a0, file "<stdin>", line 1>
>>> isinstance(f.__code__, types.CodeType)
True
but it didn't type-check with `mypy --python-version 2.7`.
Based on the pytz docs http://pytz.sourceforge.net/ and code (version
2018.5).
- Accurately model the return value of the `timezone()` function. This
necessitates modeling the internal pytz class hierarchy which is quite
inconsistent.
- Expose `_BaseTzInfo` as `BaseTzInfo`.
This change is useful because this type is importable and otherwise
there is no pytz type which can be used in type annotations, e.g. in a
function which takes a pytz `tzinfo` with the `localize` method,
rather than a general `datetime.tzinfo`.
- Remove the lazy.pyi stubs. The `lazy` module contains some unrelated
general data structures. It is not a public API - it is not documented
and the types are not included in `__all__`.
- Remove methods which are already specified by inheritance in
`datetime.tzinfo`.
- Add several public exception classes.
- Fill in the generic type parameters of the exposed `Dict`/`List`
constants. Also change `Dict` -> `Mapping` because it is not actually
a proper `dict`.
- Some style/ordering improvements.
timezone inherits from tzinfo, so using tzinfo is more general (and e.g.
pytz types inherit directly from tzinfo).
This is the correct type, as quoted from astimezone's code:
elif not isinstance(tz, tzinfo):
raise TypeError("tz argument must be an instance of tzinfo")
