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When devhelp is enabled, hotdoc generates a devhelp/ subdir that needs
to be installed to /usr/share/devhelp/. Otherwise, the html/ subdir
needs to be installed to /usr/share/doc/<project>/html/
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We used to just abort during configure because we ran in-process and
hotdoc's argparse would leak into our own process space. Now we fail to
handle this case and succeed at configuring, only for building to fail
because the hotdoc config file doesn't exist.
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We have two copies of this code, and the python module one is vastly
superior, not just because it allows choosing which python executable to
base itself on. Unify this. Fixes various issues including non-Windows
support for sysconfig, and pypy edge cases.
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In preparation for wholly merging the dependency handling from the
python module into dependencies.*, move the unique class definitions
from there into their new home in dependencies.python, which is
semantically convenient.
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In preparation for handling more work inside dependencies.*, we need to
be able to run a PythonExternalProgram from the python dependency. Move
most of the definition -- but only the parts that have no interest in a
ModuleState -- and subclass a bit of sanity checking that we need to
handle specially when used in the module.
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It can go directly inside the function which immediately uses it.
There's no purpose in looking it up exactly once and using it exactly
once, but looking it up outside the function and complicating the
function signature in order to pass it as a function argument.
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We write this out as an embedded string to a tempfile in order to run
it, which is pretty awkward. And usually Meson's files are already files
on disk, not packed into a zip, so we can simply run it directly. Since
python 3.7, which is our new minimum, we can handle this well via the
stdlib. (There's also mesonbuild.mesondata, but we do not need
persistence in the builddir.)
This also solves the problem that has always been there, of giant python
programs inside strings occasionally confusing syntax highlighters. Or
even, it would be nice if we had syntax highlighting for this
introspection program. :D
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We pass around a PythonInstallation into the depths of the dependency
factory, solely so that we can get at is_pypy in one particular branch.
We don't need the DSL functions, we don't need access to the
interpreter, let's just use the enhanced ExternalProgram object on its
own.
Add is_pypy to the object, and modify other references to get
information from .info['...'] instead of direct access.
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Of particular note: We technically cannot pass a NotFoundDependency out
of a factory lookup, because it doesn't support External interfaces.
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headers
This was causing a ninja issue where the native headers were always
being generated because io.github.hse-project.hse_Hse.h was being
expected, but io.github.hse_project.hse_Hse.h was actually generated.
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the default parameter for python.install_sources is set to "runtime" but
should be "python-runtime" according to the existing documentation
- https://mesonbuild.com/Python-module.html#install_sources
- https://mesonbuild.com/Installing.html#installation-tags
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Ensuring the order is respected
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The base module is fully typed, but the numbered version are not, though
it's pretty trivial to do so.
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In some cases we'll get an `ImmutableListProtocol[str]` anyway (and
actually, we should probably be getting one in call cases), since we
don't mutate it anyway, just store it as immutable.
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Again, state.find_program is wrong
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This is also due to the incorrect annotations of state.find_program()
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Because this too, has the wrong assumptions
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Which suffers from the same issue as the gnome module
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Mainly thi sis that `state.find_program()` is annotated incorrectly, it
returns `ExternalProgram | Executable | OverrideProgram`, but it's
annotated to return only `ExteranlProgram`, and thus a bunch of the
annotations in the gnome module are wrong.
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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It's probably not useful to spam the user with warnings that old
versions of software may not behave correctly when the first warning was
perfectly valid.
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There are lots of warnings that become fatal, that are simply unfixable
by the end user. Things like using old versions of software (because
they're using some kind of LTS release), warnings about compilers not
supporting certain kinds of checks, or standards being upgraded due to
skipped implementations (MSVC has c++98 and c++14, but not c++11). None
of these should be fatal, they're informative, and too important to
reduce to notices, but not important enough to stop meson if they're
printed.
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Convert http to https in some links
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At least, if you tried to use it when passing an install_dir. Because
T.Sequence is horrible and we should never use it, and the annotations
are a lie that produces bugs.
So, fix the annotations on CustomTarget to never allow this to happen
again, and also fix the function too. Move some definitions elsewhere
inline to satisfy the linter.
Fixes #11157
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T.Sequence is a questionable concept. The idea is to hammer out generic,
maximally forgiving APIs that operate on protocols, which is a fancy way
of saying "I don't care if you use tuples or lists". This is rarely
needed, actually, and in exchange for this fancy behavior you get free
bugs.
Specifically, `somestr` is of type `T.Sequence[str]`, and also
`somestr[0]` is another string of type you guessed it. It's ~~turtles~~
strings all the way down.
It's worth noting that trying to code for "protocols" is a broken
concept if the contents have semantic meaning, e.g. it operates on
"the install tags of this object" rather than "an iterable that supports
efficient element access".
The other way to use T.Sequence is "I don't like that T.List is
invariant, but also I don't like that T.Tuple makes you specify exact
ordering". This sort of works. In fact it probably does work as long as
you don't allow str in your sequences, which of course everyone allows
anyway.
Use of Sequence has cute side effects, such as actually passing lists
around, knowing that you are going to get a list and knowing that you
need to pass it on as a list, and then having to re-allocate as
`list(mylist)` "because the type annotations says it could be a str or
tuple".
Except it cannot be a str, because if it is then the application is
fatally flawed and logic errors occur to disastrous end user effects,
and the type annotations:
- do not enforce their promises of annotating types
- fail to live up to "minimal runtime penalties" due to all the `list()`
Shun this broken concept, by hardening the type annotations. As it turns
out, we do not actually need any of this covariance or protocol-ism for
a list of strings! The whole attempt was a slow, buggy waste of time.
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There are two problems here: a typing problem, and an algorithm problem.
We expect it to always be passed to CustomTarget() as a list, but we ran
list() on it, which became horribly mangled if you violated the types
and passed a string instead. This caused weird*er* errors and didn't
even do anything. We want to do all validation in the interpreter,
anyway, and make the build level dumb.
Meanwhile we type it as accepting a T.Sequence, which technically
permits... a string, actually. This isn't intentional; the point of
using T.Sequence is out of a misguided idea that APIs are supposed to be
"technically correct" by allowing "anything that fulfills an interface",
which is a flawed concept because we aren't using interfaces here, and
also because "technically string fulfills the same interface as a list,
if we're talking sequences".
Basically:
- mypy is broken by design, because it typechecks "python", not "what we
wish python to be"
- we do not actually need to graciously permit passing tuples instead of
lists
As far as historic implementations of this logic go, we have formerly:
- originally, typeslistified anything
- switched to accepting list from the interpreter, redundantly ran list()
on the list we got, and mishandling API violations passing a string
(commit 11f96380351a88059ec55f1070fdebc1b1033117)
- switched to accepting anything, stringlistifying it if it was not
`None`, mishandling `[None]`, and invoking list(x) on a brand new list
from stringlistify (commit 157d43883515507f42618b065a64fb26501734a0)
- stopped stringlistify, just accept T.List[str | None] and re-cast to
list, violates typing because we use/handle plain None too
(commit a8521fef70ef76fb742d80aceb2e9ed634bd6a70)
- break typing by declaring we accept a simple string, which still
results in mishandling by converting 'foo' -> ['f', 'o', 'o']
(commit ac576530c43734495815f22456596772a8f6a8cc)
All of this. ALL of it. Is because we tried to be fancy and say we
accept T.Tuple; the only version of this logic that has ever worked
correctly is the original untyped do-all-validation-in-the-build-phase
typeslistified version.
Let's just call it what it is. We want a list | None, and we handle it too.
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This follows the Meson naming scheme which typically leaves off a verb
like generate.
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This API existed for 2 minor releases and was worthless for pretty much
every usecase.
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In particular, CUDA 12 removes support for Kepler (3.x) entirely.
Unusually, however, it does not introduce any new architectures,
or even compute capabilities.
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Add a `dependencies` keyword argument to bindgen
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devenv: various improvements
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When finding a py.dependency() we try to use pkg-config. We then apply
our own custom base class, which replaces self.name with the informative
comment "override the name from the "real" dependency lookup", to which
I can only say "uhhh why". Why do we want to do that???
It turns out we don't, it was just a really old legacy design because we
had a SystemDependency with a .pkgdep attribute hiding the real
dependency bizarro-land style. We cleaned that up in commit
4d67dd19e5b7dcec6716840d30984fa41eef55c6 and as part of that, we
*shifted over* the self.name assignment to preserve the visible effects,
sort of. We didn't have a *reason* to override the name, we just did it
because... we weren't sure whether it mattered.
Unfortunately it very much does matter the other way -- we don't want
it. We can pass this dependency to the pkgconfig module, which uses the
name attribute to fill out the `Requires: ` field. Also, the name should
name what we have. :p
Get rid of this bizarre historic quirk. Since we have proper
dependencies here, we should go all in.
Fixes https://github.com/ufo-kit/ufo-core/pull/185#issuecomment-1328224996
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It is only used by Environment.get_exe_wrapper() and every callers were
handling None already. Type annotation was wrong, it already could
return None for the case an exe wrapper is needed but none is provided.
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This is needed for cases where we need external C headers, which are
passed to clang.
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Which we support for basically every other case, but not this one.
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The Interpreter has a method for this, and the module state just wraps
it.
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Since it's also used in the rust module, it should be in a common place.
Also rename from `TEST_KWARGS` to `TEST_KWS`, which is more in line with
the `*_KW` naming scheme used in the type_checking module.
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Which adds the `use-set-for-membership` check. It's generally faster in
python to use a set with the `in` keyword, because it's a hash check
instead of a linear walk, this is especially true with strings, where
it's actually O(n^2), one loop over the container, and an inner loop of
the strings (as string comparison works by checking that `a[n] == b[n]`,
in a loop).
Also, I'm tired of complaining about this in reviews, let the tools do
it for me :)
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This finds uses of deny-listed functions, which defaults to map and
filter. These functions should be replaced by comprehensions in
idiomatic python because:
1. comprehensions are more heavily optimized and are often faster
2. They avoid the need for lambdas in some cases, which make them
faster
3. you can do the equivalent in one statement rather than two, which
is faster
4. They're easier to read
5. if you need a concrete instance (ie, a list) then you don't have
to convert the iterator to a list afterwards
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