| Age | Commit message (Collapse) | Author | Files | Lines |
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It was time to run `spack license update-copyright-year` again.
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Credits to @ChristianKniep for advocating the idea of OCI image layers
being identical to spack buildcache tarballs.
With this you can configure an OCI registry as a buildcache:
```console
$ spack mirror add my_registry oci://user/image # Dockerhub
$ spack mirror add my_registry oci://ghcr.io/haampie/spack-test # GHCR
$ spack mirror set --push --oci-username ... --oci-password ... my_registry # set login credentials
```
which should result in this config:
```yaml
mirrors:
my_registry:
url: oci://ghcr.io/haampie/spack-test
push:
access_pair: [<username>, <password>]
```
It can be used like any other registry
```
spack buildcache push my_registry [specs...]
```
It will upload the Spack tarballs in parallel, as well as manifest + config
files s.t. the binaries are compatible with `docker pull` or `skopeo copy`.
In fact, a base image can be added to get a _runnable_ image:
```console
$ spack buildcache push --base-image ubuntu:23.04 my_registry python
Pushed ... as [image]:python-3.11.2-65txfcpqbmpawclvtasuog4yzmxwaoia.spack
$ docker run --rm -it [image]:python-3.11.2-65txfcpqbmpawclvtasuog4yzmxwaoia.spack
```
which should really be a game changer for sharing binaries.
Further, all content-addressable blobs that are downloaded and verified
will be cached in Spack's download cache. This should make repeated
`push` commands faster, as well as `push` followed by a separate
`update-index` command.
An end to end example of how to use this in Github Actions is here:
**https://github.com/haampie/spack-oci-buildcache-example**
TODO:
- [x] Generate environment modifications in config so PATH is set up
- [x] Enrich config with Spack's `spec` json (this is allowed in the OCI specification)
- [x] When ^ is done, add logic to create an index in say `<image>:index` by fetching all config files (using OCI distribution discovery API)
- [x] Add logic to use object storage in an OCI registry in `spack install`.
- [x] Make the user pick the base image for generated OCI images.
- [x] Update buildcache install logic to deal with absolute paths in tarballs
- [x] Merge with `spack buildcache` command
- [x] Merge #37441 (included here)
- [x] Merge #39077 (included here)
- [x] #39187 + #39285
- [x] #39341
- [x] Not a blocker: #35737 fixes correctness run env for the generated container images
NOTE:
1. `oci://` is unfortunately taken, so it's being abused in this PR to mean "oci type mirror". `skopeo` uses `docker://` which I'd like to avoid, given that classical docker v1 registries are not supported.
2. this is currently `https`-only, given that basic auth is used to login. I _could_ be convinced to allow http, but I'd prefer not to, given that for a `spack buildcache push` command multiple domains can be involved (auth server, source of base image, destination registry). Right now, no urllib http handler is added, so redirects to https and auth servers with http urls will simply result in a hard failure.
CAVEATS:
1. Signing is not implemented in this PR. `gpg --clearsign` is not the nicest solution, since (a) the spec.json is merged into the image config, which must be valid json, and (b) it would be better to sign the manifest (referencing both config/spec file and tarball) using more conventional image signing tools
2. `spack.binary_distribution.push` is not yet implemented for the OCI buildcache, only `spack buildcache push` is. This is because I'd like to always push images + deps to the registry, so that it's `docker pull`-able, whereas in `spack ci` we really wanna push an individual package without its deps to say `pr-xyz`, while its deps reside in some `develop` buildcache.
3. The `push -j ...` flag only works for OCI buildcache, not for others
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For a long time, the docs have generated a huge, static HTML package list. It has some
disadvantages:
* It's slow to load
* It's slow to build
* It's hard to search
We now have a nice website that can tell us about Spack packages, and it's searchable so
users can easily find the one or two packages out of 7400 that they're looking for. We
should link to this instead of including a static package list page in the docs.
- [x] Replace package list link with link to packages.spack.io
- [x] Remove `package_list.html` generation from `conf.py`.
- [x] Add a new section for "Links" to the docs.
- [x] Remove docstring notes from contribution guide (we haven't generated RST
for package docstrings for a while)
- [x] Remove referencese to `package-list` from docs.
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(#33495)
Lock objects can now be instantiated independently,
without being tied to the global configuration. The
same is true for database and store objects.
The database __init__ method has been simplified to
take a single lock configuration object. Some common
lock configurations (e.g. NO_LOCK or NO_TIMEOUT) have
been named and are provided as globals.
The use_store context manager keeps the configuration
consistent by pushing and popping an internal scope.
It can also be tuned by passing extra data to set up
e.g. upstreams or anything else that might be related
to the store.
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(#34236)
This is a refactor of Spack's stand-alone test process to be more spack- and pytest-like.
It is more spack-like in that test parts are no longer "hidden" in a package's run_test()
method and pytest-like in that any package method whose name starts test_
(i.e., a "test" method) is a test part. We also support the ability to embed test parts in a
test method when that makes sense.
Test methods are now implicit test parts. The docstring is the purpose for the test part.
The name of the method is the name of the test part. The working directory is the active
spec's test stage directory. You can embed test parts using the test_part context manager.
Functionality added by this commit:
* Adds support for multiple test_* stand-alone package test methods, each of which is
an implicit test_part for execution and reporting purposes;
* Deprecates package use of run_test();
* Exposes some functionality from run_test() as optional helper methods;
* Adds a SkipTest exception that can be used to flag stand-alone tests as being skipped;
* Updates the packaging guide section on stand-alone tests to provide more examples;
* Restores the ability to run tests "inherited" from provided virtual packages;
* Prints the test log path (like we currently do for build log paths);
* Times and reports the post-install process (since it can include post-install tests);
* Corrects context-related error message to distinguish test recipes from build recipes.
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## Version types, parsing and printing
- The version classes have changed: `VersionBase` is removed, there is now a
`ConcreteVersion` base class. `StandardVersion` and `GitVersion` both inherit
from this.
- The public api (`Version`, `VersionRange`, `ver`) has changed a bit:
1. `Version` produces either `StandardVersion` or `GitVersion` instances.
2. `VersionRange` produces a `ClosedOpenRange`, but this shouldn't affect the user.
3. `ver` produces any of `VersionList`, `ClosedOpenRange`, `StandardVersion`
or `GitVersion`.
- No unexpected type promotion, so that the following is no longer an identity:
`Version(x) != VersionRange(x, x)`.
- `VersionList.concrete` now returns a version if it contains only a single element
subtyping `ConcreteVersion` (i.e. `StandardVersion(...)` or `GitVersion(...)`)
- In version lists, the parser turns `@x` into `VersionRange(x, x)` instead
of `Version(x)`.
- The above also means that `ver("x")` produces a range, whereas
`ver("=x")` produces a `StandardVersion`. The `=` is part of _VersionList_
syntax.
- `VersionList.__str__` now outputs `=x.y.z` for specific version entries,
and `x.y.z` as a short-hand for ranges `x.y.z:x.y.z`.
- `Spec.format` no longer aliases `{version}` to `{versions}`, but pulls the
concrete version out of the list and prints that -- except when the list is
is not concrete, then is falls back to `{versions}` to avoid a pedantic error.
For projections of concrete specs, `{version}` should be used to render
`1.2.3` instead of `=1.2.3` (which you would get with `{versions}`).
The default `Spec` format string used in `Spec.__str__` now uses
`{versions}` so that `str(Spec(string)) == string` holds.
## Changes to `GitVersion`
- `GitVersion` is a small wrapper around `StandardVersion` which enriches it
with a git ref. It no longer inherits from it.
- `GitVersion` _always_ needs to be able to look up an associated Spack version
if it was not assigned (yet). It throws a `VersionLookupError` whenever `ref_version`
is accessed but it has no means to look up the ref; in the past Spack would
not error and use the commit sha as a literal version, which was incorrect.
- `GitVersion` is never equal to `StandardVersion`, nor is satisfied by it. This
is such that we don't lose transitivity. This fixes the following bug on `develop`
where `git_version_a == standard_version == git_version_b` does not imply
`git_version_a == git_version_b`. It also ensures equality always implies equal
hash, which is also currently broken on develop; inclusion tests of a set of
versions + git versions would behave differently from inclusion tests of a
list of the same objects.
- The above means `ver("ref=1.2.3) != ver("=1.2.3")` could break packages that branch
on specific versions, but that was brittle already, since the same happens with
externals: `pkg@1.2.3-external` suffixes wouldn't be exactly equal either. Instead,
those checks should be `x.satisfies("@1.2.3")` which works both for git versions and
custom version suffixes.
- `GitVersion` from commit will now print as `<hash>=<version>` once the
git ref is resolved to a spack version. This is for reliability -- version is frozen
when added to the database and queried later. It also improves performance
since there is no need to clone all repos of all git versions after `spack clean -m`
is run and something queries the database, triggering version comparison, such
as potentially reuse concretization.
- The "empty VerstionStrComponent trick" for `GitVerison` is dropped since it wasn't
representable as a version string (by design). Instead, it's replaced by `git`,
so you get `1.2.3.git.4` (which reads 4 commits after a tag 1.2.3). This means
that there's an edge case for version schemes `1.1.1`, `1.1.1a`, since the
generated git version `1.1.1.git.1` (1 commit after `1.1.1`) compares larger
than `1.1.1a`, since `a < git` are compared as strings. This is currently a
wont-fix edge case, but if really required, could be fixed by special casing
the `git` string.
- Saved, concrete specs (database, lock file, ...) that only had a git sha as their
version, but have no means to look the effective Spack version anymore, will
now see their version mapped to `hash=develop`. Previously these specs
would always have their sha literally interpreted as a version string (even when
it _could_ be looked up). This only applies to databases, lock files and spec.json
files created before Spack 0.20; after this PR, we always have a Spack version
associated to the relevant GitVersion).
- Fixes a bug where previously `to_dict` / `from_dict` (de)serialization would not
reattach the repo to the GitVersion, causing the git hash to be used as a literal
(bogus) version instead of the resolved version. This was in particularly breaking
version comparison in the build process on macOS/Windows.
## Installing or matching specific versions
- In the past, `spack install pkg@3.2` would install `pkg@=3.2` if it was a
known specific version defined in the package, even when newer patch releases
`3.2.1`, `3.2.2`, `...` were available. This behavior was only there because
there was no syntax to distinguish between `3.2` and `3.2.1`. Since there is
syntax for this now through `pkg@=3.2`, the old exact matching behavior is
removed. This means that `spack install pkg@3.2` constrains the `pkg` version
to the range `3.2`, and `spack install pkg@=3.2` constrains it to the specific
version `3.2`.
- Also in directives such as `depends_on("pkg@2.3")` and their when
conditions `conflicts("...", when="@2.3")` ranges are ranges, and specific
version matches require `@=2.3.`.
- No matching version: in the case `pkg@3.2` matches nothing, concretization
errors. However, if you run `spack install pkg@=3.2` and this version
doesn't exist, Spack will define it; this allows you to install non-registered
versions.
- For consistency, you can now do `%gcc@10` and let it match a configured
`10.x.y` compiler. It errors when there is no matching compiler.
In the past it was interpreted like a specific `gcc@=10` version, which
would get bootstrapped.
- When compiler _bootstrapping_ is enabled, `%gcc@=10.2.0` can be used to
bootstrap a specific compiler version.
## Other changes
- Externals, compilers, and develop spec definitions are backwards compatible.
They are typically defined as `pkg@3.2.1` even though they should be
saying `pkg@=3.2.1`. Spack now transforms `pkg@3` into `pkg@=3` in those cases.
- Finally, fix strictness of `version(...)` directive/declaration. It just does a simple
type check, and now requires strings/integers. Floats are not allowed because
they are ambiguous `str(3.10) == "3.1"`.
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* Style: black 23, skip magic trailing commas
* isort should use same line length as black
* Fix unused import
* Update version of black used in CI
* Update new packages
* Update new packages
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* license bump year
* fix black issues of modified files
* mypy
* fix 2021 -> 2023
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`spack graph` has been reworked to use:
- Jinja templates
- builder objects to construct the template context when DOT graphs are requested.
This allowed to add a new colored output for DOT graphs that highlights both
the dependency types and the nodes that are needed at runtime for a given spec.
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Currently, the Spack docs show documentation for submodules *before* documentation for
submodules on package doc pages. This means that if you put docs in `__init__.py` in
some package, the docs in there will be shown *after* the docs for all submodules of the
package instead of at the top as an intro to the package. See, e.g.,
[the lockfile docs](https://spack.readthedocs.io/en/latest/spack.environment.html#module-spack.environment),
which should be at the
[top of that page](https://spack.readthedocs.io/en/latest/spack.environment.html).
- [x] add the `--module-first` option to sphinx so that it generates module docs at top of page.
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* Remove CI jobs related to Python 2.7
* Remove Python 2.7 specific code from Spack core
* Remove externals for Python 2 only
* Remove llnl.util.compat
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This commit extends the DSL that can be used in packages
to allow declaring that a package uses different build-systems
under different conditions.
It requires each spec to have a `build_system` single valued
variant. The variant can be used in many context to query, manipulate
or select the build system associated with a concrete spec.
The knowledge to build a package has been moved out of the
PackageBase hierarchy, into a new Builder hierarchy. Customization
of the default behavior for a given builder can be obtained by
coding a new derived builder in package.py.
The "run_after" and "run_before" decorators are now applied to
methods on the builder. They can also incorporate a "when="
argument to specify that a method is run only when certain
conditions apply.
For packages that do not define their own builder, forwarding logic
is added between the builder and package (methods not found in one
will be retrieved from the other); this PR is expected to be fully
backwards compatible with unmodified packages that use a single
build system.
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Delete code removing the symlink during CI
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Co-authored-by: Massimiliano Culpo <massimiliano.culpo@gmail.com>
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* Docs: Getting Started Dependencies
Finally document what one needs to install to use Spack on
Linux and Mac :-)
With <3 for minimal container users and my colleagues with
their fancy Macs.
* Debian Update Packages: GCC, Python
- build-essential: includes gcc, g++ (thx Cory)
- Python: add python3-venv, python3-distutils (thx Pradyun)
* Add RHEL8 Dependencies
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* Preliminary support for include URLs in spack.yaml (environment) files
This commit adds support in environments for external configuration files obtained from a URL with a preference for grabbing raw text from GitHub and gitlab for efficient downloads of the relevant files. The URL can also be a link to a directory that contains multiple configuration files.
Remote configuration files are retrieved and cached for the environment. Configuration files with the same name will not be overwritten once cached.
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This allows writing extension commands that can benchmark
different configurations in clingo, or try different
configurations for a single test.
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`make` solves a lot of headaches that would otherwise have to be implemented in Spack:
1. Parallelism over packages through multiple `spack install` processes
2. Orderly output of parallel package installs thanks to `make --sync-output=recurse` or `make -Orecurse` (works well in GNU Make 4.3; macOS is unfortunately on a 16 years old 3.x version, but it's one `spack install gmake` away...)
3. Shared jobserver across packages, which means a single `-j` to rule them all, instead of manually finding a balance between `#spack install processes` & `#jobs per package` (See #30302).
This pr adds the `spack env depfile` command that generates a Makefile with dag hashes as
targets, and dag hashes of dependencies as prerequisites, and a command
along the lines of `spack install --only=packages /hash` to just install
a single package.
It exposes two convenient phony targets: `all`, `fetch-all`. The former installs the environment, the latter just fetches all sources. So one can either use `make all -j16` directly or run `make fetch-all -j16` on a login node and `make all -j16` on a compute node.
Example:
```yaml
spack:
specs: [perl]
view: false
```
running
```
$ spack -e . env depfile --make-target-prefix env | tee Makefile
```
generates
```Makefile
SPACK ?= spack
.PHONY: env/all env/fetch-all env/clean
env/all: env/env
env/fetch-all: env/fetch
env/env: env/.install/cdqldivylyxocqymwnfzmzc5sx2zwvww
@touch $@
env/fetch: env/.fetch/cdqldivylyxocqymwnfzmzc5sx2zwvww env/.fetch/gv5kin2xnn33uxyfte6k4a3bynhmtxze env/.fetch/cuymc7e5gupwyu7vza5d4vrbuslk277p env/.fetch/7vangk4jvsdgw6u6oe6ob63pyjl5cbgk env/.fetch/hyb7ehxxyqqp2hiw56bzm5ampkw6cxws env/.fetch/yfz2agazed7ohevqvnrmm7jfkmsgwjao env/.fetch/73t7ndb5w72hrat5hsax4caox2sgumzu env/.fetch/trvdyncxzfozxofpm3cwgq4vecpxixzs env/.fetch/sbzszb7v557ohyd6c2ekirx2t3ctxfxp env/.fetch/c4go4gxlcznh5p5nklpjm644epuh3pzc
@touch $@
env/dirs:
@mkdir -p env/.fetch env/.install
env/.fetch/%: | env/dirs
$(info Fetching $(SPEC))
$(SPACK) -e '/tmp/tmp.7PHPSIRACv' fetch $(SPACK_FETCH_FLAGS) /$(notdir $@) && touch $@
env/.install/%: env/.fetch/%
$(info Installing $(SPEC))
+$(SPACK) -e '/tmp/tmp.7PHPSIRACv' install $(SPACK_INSTALL_FLAGS) --only-concrete --only=package --no-add /$(notdir $@) && touch $@
# Set the human-readable spec for each target
env/%/cdqldivylyxocqymwnfzmzc5sx2zwvww: SPEC = perl@5.34.1%gcc@10.3.0+cpanm+shared+threads arch=linux-ubuntu20.04-zen2
env/%/gv5kin2xnn33uxyfte6k4a3bynhmtxze: SPEC = berkeley-db@18.1.40%gcc@10.3.0+cxx~docs+stl patches=b231fcc arch=linux-ubuntu20.04-zen2
env/%/cuymc7e5gupwyu7vza5d4vrbuslk277p: SPEC = bzip2@1.0.8%gcc@10.3.0~debug~pic+shared arch=linux-ubuntu20.04-zen2
env/%/7vangk4jvsdgw6u6oe6ob63pyjl5cbgk: SPEC = diffutils@3.8%gcc@10.3.0 arch=linux-ubuntu20.04-zen2
env/%/hyb7ehxxyqqp2hiw56bzm5ampkw6cxws: SPEC = libiconv@1.16%gcc@10.3.0 libs=shared,static arch=linux-ubuntu20.04-zen2
env/%/yfz2agazed7ohevqvnrmm7jfkmsgwjao: SPEC = gdbm@1.19%gcc@10.3.0 arch=linux-ubuntu20.04-zen2
env/%/73t7ndb5w72hrat5hsax4caox2sgumzu: SPEC = readline@8.1%gcc@10.3.0 arch=linux-ubuntu20.04-zen2
env/%/trvdyncxzfozxofpm3cwgq4vecpxixzs: SPEC = ncurses@6.2%gcc@10.3.0~symlinks+termlib abi=none arch=linux-ubuntu20.04-zen2
env/%/sbzszb7v557ohyd6c2ekirx2t3ctxfxp: SPEC = pkgconf@1.8.0%gcc@10.3.0 arch=linux-ubuntu20.04-zen2
env/%/c4go4gxlcznh5p5nklpjm644epuh3pzc: SPEC = zlib@1.2.12%gcc@10.3.0+optimize+pic+shared patches=0d38234 arch=linux-ubuntu20.04-zen2
# Install dependencies
env/.install/cdqldivylyxocqymwnfzmzc5sx2zwvww: env/.install/gv5kin2xnn33uxyfte6k4a3bynhmtxze env/.install/cuymc7e5gupwyu7vza5d4vrbuslk277p env/.install/yfz2agazed7ohevqvnrmm7jfkmsgwjao env/.install/c4go4gxlcznh5p5nklpjm644epuh3pzc
env/.install/cuymc7e5gupwyu7vza5d4vrbuslk277p: env/.install/7vangk4jvsdgw6u6oe6ob63pyjl5cbgk
env/.install/7vangk4jvsdgw6u6oe6ob63pyjl5cbgk: env/.install/hyb7ehxxyqqp2hiw56bzm5ampkw6cxws
env/.install/yfz2agazed7ohevqvnrmm7jfkmsgwjao: env/.install/73t7ndb5w72hrat5hsax4caox2sgumzu
env/.install/73t7ndb5w72hrat5hsax4caox2sgumzu: env/.install/trvdyncxzfozxofpm3cwgq4vecpxixzs
env/.install/trvdyncxzfozxofpm3cwgq4vecpxixzs: env/.install/sbzszb7v557ohyd6c2ekirx2t3ctxfxp
env/clean:
rm -f -- env/env env/fetch env/.fetch/cdqldivylyxocqymwnfzmzc5sx2zwvww env/.fetch/gv5kin2xnn33uxyfte6k4a3bynhmtxze env/.fetch/cuymc7e5gupwyu7vza5d4vrbuslk277p env/.fetch/7vangk4jvsdgw6u6oe6ob63pyjl5cbgk env/.fetch/hyb7ehxxyqqp2hiw56bzm5ampkw6cxws env/.fetch/yfz2agazed7ohevqvnrmm7jfkmsgwjao env/.fetch/73t7ndb5w72hrat5hsax4caox2sgumzu env/.fetch/trvdyncxzfozxofpm3cwgq4vecpxixzs env/.fetch/sbzszb7v557ohyd6c2ekirx2t3ctxfxp env/.fetch/c4go4gxlcznh5p5nklpjm644epuh3pzc env/.install/cdqldivylyxocqymwnfzmzc5sx2zwvww env/.install/gv5kin2xnn33uxyfte6k4a3bynhmtxze env/.install/cuymc7e5gupwyu7vza5d4vrbuslk277p env/.install/7vangk4jvsdgw6u6oe6ob63pyjl5cbgk env/.install/hyb7ehxxyqqp2hiw56bzm5ampkw6cxws env/.install/yfz2agazed7ohevqvnrmm7jfkmsgwjao env/.install/73t7ndb5w72hrat5hsax4caox2sgumzu env/.install/trvdyncxzfozxofpm3cwgq4vecpxixzs env/.install/sbzszb7v557ohyd6c2ekirx2t3ctxfxp env/.install/c4go4gxlcznh5p5nklpjm644epuh3pzc
```
Then with `make -O` you get very nice orderly output when packages are built in parallel:
```console
$ make -Orecurse -j16
spack -e . install --only-concrete --only=package /c4go4gxlcznh5p5nklpjm644epuh3pzc && touch c4go4gxlcznh5p5nklpjm644epuh3pzc
==> Installing zlib-1.2.12-c4go4gxlcznh5p5nklpjm644epuh3pzc
...
Fetch: 0.00s. Build: 0.88s. Total: 0.88s.
[+] /tmp/tmp.b1eTyAOe85/store/linux-ubuntu20.04-zen2/gcc-10.3.0/zlib-1.2.12-c4go4gxlcznh5p5nklpjm644epuh3pzc
spack -e . install --only-concrete --only=package /sbzszb7v557ohyd6c2ekirx2t3ctxfxp && touch sbzszb7v557ohyd6c2ekirx2t3ctxfxp
==> Installing pkgconf-1.8.0-sbzszb7v557ohyd6c2ekirx2t3ctxfxp
...
Fetch: 0.00s. Build: 3.96s. Total: 3.96s.
[+] /tmp/tmp.b1eTyAOe85/store/linux-ubuntu20.04-zen2/gcc-10.3.0/pkgconf-1.8.0-sbzszb7v557ohyd6c2ekirx2t3ctxfxp
```
For Perl, at least for me, using `make -j16` versus `spack -e . install -j16` speeds up the builds from 3m32.623s to 2m22.775s, as some configure scripts run in parallel.
Another nice feature is you can do Makefile "metaprogramming" and depend on packages built by Spack. This example fetches all sources (in parallel) first, print a message, and only then build packages (in parallel).
```Makefile
SPACK ?= spack
.PHONY: env
all: env
spack.lock: spack.yaml
$(SPACK) -e . concretize -f
env.mk: spack.lock
$(SPACK) -e . env depfile -o $@ --make-target-prefix spack
fetch: spack/fetch
@echo Fetched all packages && touch $@
env: fetch spack/env
@echo This executes after the environment has been installed
clean:
rm -rf spack/ env.mk spack.lock
ifeq (,$(filter clean,$(MAKECMDGOALS)))
include env.mk
endif
```
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* Extract the MetaPathFinder and Loaders for packages in their own classes
https://peps.python.org/pep-0451/
Currently, RepoPath and Repo implement the (deprecated) interface of
MetaPathFinder (find_module) and of Loader (load_module). This commit
extracts both of them and places the code in their own classes.
The MetaPathFinder interface is updated to contain both the deprecated
"find_module" (for Python 2.7 support) and the recommended "find_spec".
Update of the Loader interface is deferred at a subsequent commit.
* Move the lines to be prepended inside "RepoLoader"
Also adjust the naming of a few variables too
* Remove spack.util.imp, since code is only used in spack.repo
* Remove support from loading Python modules Python > 3 but < 3.5
* Remove `Repo._create_namespace`
This function was interacting badly with the MetaPathFinder
and causing issues with "normal" imports. Removing the
function allows to do things like:
```python
import spack.pkg.builtin.mpich
cls = spack.pkg.builtin.mpich.Mpich
```
* Remove code needed to trigger the Singleton evaluation
The finder is coded in a way to trigger the Singleton,
so we don't need external code now that we register it
at module level into `sys.meta_path`.
* Add unit tests
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Currently Spack vendors `pytest` at a version which is three major
versions behind the latest (3.2.5 vs. 6.2.4). We do that since v3.2.5
is the latest version supporting Python 2.6. Remaining so much
behind the currently supported versions though might introduce
some incompatibilities and is surely a technical debt.
This PR modifies Spack to:
- Use the vendored `pytest@3.2.5` only as a fallback solution,
if the Python interpreter used for Spack doesn't provide a newer one
- Be able to parse `pytest --collect-only` in all the different output
formats from v3.2.5 to v6.2.4 and use it consistently for `spack unit-test --list-*`
- Updating the unit tests in Github Actions to use a more recent `pytest` version
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* fix remaining flake8 errors
* imports: sort imports everywhere in Spack
We enabled import order checking in #23947, but fixing things manually drives
people crazy. This used `spack style --fix --all` from #24071 to automatically
sort everything in Spack so PR submitters won't have to deal with it.
This should go in after #24071, as it assumes we're using `isort`, not
`flake8-import-order` to order things. `isort` seems to be more flexible and
allows `llnl` mports to be in their own group before `spack` ones, so this
seems like a good switch.
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- [x] add `concretize.lp`, `spack.yaml`, etc. to licensed files
- [x] update all licensed files to say 2013-2021 using
`spack license update-copyright-year`
- [x] appease mypy with some additions to package.py that needed
for oneapi.py
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- [x] Use higher contrast terminal output font
- [x] Use higher contrast code block background color than default
- [x] Use a noticeable prompt character
See also https://github.com/spack/spack-tutorial/pull/10.
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* docs: add a spack environment for building the docs
* docs: remove tutorial and link to spack-tutorial.readthedocs.io
The tutorial now has its own standalone website, versioned by instances
of the tutorial. Link to that instead of versioning it directly with Spack.
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* Fix Sphinx deprecation warning when building docs
* Set minimum required version of Sphinx
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- `gettext_uuid=True` makes every commit update every .pot file in spack/localized-docs,
and speeds up the internationalized doc build slightly.
- Optimize for less repository churn, and use `python-levenshtein` to accelerate
the build instead.
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- make all Spack paths relative to a `_spack_root` symlink, so that we
can easily relocate the docs build *outside* lib/spack/docs
- set some useful defaults for gettext translation variables in conf.py
- update `relativeinclude` and other references to the spack root in the
RST files to use _spack_root
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- Add a `--update FILE` option to `spack list`
- Output is written to the file only if any package is newer than the file
- Simplify the code in docs/conf.py using this new option
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The Spack documentation currently hard-codes some functionality in
`conf.py`, which makes the doc build less "pluggable" for things like
localized doc builds.
In particular, we unconditionally generate an index of commands and a
package list as part of the docs, but those should really only be done if
things are not up to date.
This commit does the following:
- Add `--header` option to `spack commands` so that it can do the work of
prepending text to its output.
- Add `--update FILE` option to `spack commands` that makes it generate a
new command index *only* if FILE is out of date w.r.t. commands in the
Spack source.
- Simplify code in `conf.py` to use these options and only update the
command index when needed.
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- remove the old LGPL license headers from all files in Spack
- add SPDX headers to all files
- core and most packages are (Apache-2.0 OR MIT)
- a very small number of remaining packages are LGPL-2.1-only
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* Allow docs to be built with Sphinx 1.7.1+
* Allow docs to be built with Sphinx 2.0+
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- Spack packages were originally expected to call `from spack import *`
themselves, but it has become difficult to manage imports in the
Spack core.
- the top-level namespace polluted by package symbols, and it's not
possible to avoid circular dependencies and unnecessary module loads in
the core, given all the stuff the packages need.
- This makes the top-level `spack` package essentially empty, save for a
version tuple and a version string, and `from spack import *` is now
essentially a no-op.
- The common routines and directives that packages need are now in
`spack.pkgkit`, and the import system forces packages to automatically
include this so that old packages that call `from spack import *`
will continue to work without modification.
- Since `from spack import *` is no longer required, we could consider
removing ``from spack import *`` from packages in the future and
shifting to ``from spack.pkgkit import *``, but we can wait a while to
do this.
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- `spack.cmd.all_commands` does a directory listing on
`lib/spack/spack/cmd`, regardless of whether it is needed
- make this lazy so that the directory listing won't happen unless it's
necessary.
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- no longer require `spack_version` to be a Version (it isn't used that
way anyway)
- use a simple tuple `spack_version_info` with major, minor, patch
versions
- generate `spack_version` from the tuple
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