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cext: correct the argument handling of `b85encode()`...
cext: correct the argument handling of `b85encode()` The type stub indicated that this argument is `Optional`, which implies None is allowed. I don't see in the documentation where that's the case for `i`[1], and trying it in `hg debugshell` resulted in the method failing with a TypeError. I guess it was typed as an `int` argument because the `p` format unit wasn't added until Python 3.3[2]. In any event, 2 clients in core (`pvec` and `obsolete`) call this with no argument supplied, and `mdiff` calls it with True. So I guess we've avoided the None arg case, and when no arg is supplied, it defaults to the 0 initialization of the `pad` variable in C. Since the `p` format unit accepts both `int` and None, as well as `bool`, I'm not bothering to bump the module version- this code is more permissive than it was, in addition to being more correct. Interestingly, when I first imported the `cext` and `pure` methods in the same manner as the previous commit, it dropped the `Optional` part of the argument type when generating `util.pyi`. No idea why. [1] https://docs.python.org/3/c-api/arg.html#numbers [2] https://docs.python.org/3/c-api/arg.html#other-objects
Matt Harbison - - Load All Authors

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extensions.txt
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Mercurial has the ability to add new features through the use of
extensions. Extensions may add new commands, add options to
existing commands, change the default behavior of commands, or
implement hooks.
To enable the "foo" extension, either shipped with Mercurial or in the
Python search path, create an entry for it in your configuration file,
like this::
[extensions]
foo =
You may also specify the full path to an extension::
[extensions]
myfeature = ~/.hgext/myfeature.py
See :hg:`help config` for more information on configuration files.
Extensions are not loaded by default for a variety of reasons:
they can increase startup overhead; they may be meant for advanced
usage only; they may provide potentially dangerous abilities (such
as letting you destroy or modify history); they might not be ready
for prime time; or they may alter some usual behaviors of stock
Mercurial. It is thus up to the user to activate extensions as
needed.
To explicitly disable an extension enabled in a configuration file of
broader scope, prepend its path with !::
[extensions]
# disabling extension bar residing in /path/to/extension/bar.py
bar = !/path/to/extension/bar.py
# ditto, but no path was supplied for extension baz
baz = !