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encode development requirements in pyproject.toml (#32616)

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Add a `project` block to the toml config along with development and CI
dependencies and a minimal `build-system` block, doing basically
nothing, so that spack can be bootstrapped to a full development
environment with:

```shell
$ hatch -e dev shell
```

or for a minimal environment without hatch:

```shell
$ python3 -m venv venv
$ source venv/bin/activate
$ python3 -m pip install --upgrade pip
$ python3 -m pip install -e '.[dev]'
```

This means we can re-use the requirements list throughout the workflow
yaml files and otherwise maintain this list in *one place* rather than
several disparate ones.  We may be stuck with a couple more temporarily
to continue supporting python2.7, but aside from that it's less places
to get out of sync and a couple new bootstrap options.

Co-authored-by: Adam J. Stewart <ajstewart426@gmail.com>
This commit is contained in:
Tom Scogland
2022-11-07 15:00:22 -08:00
committed by GitHub
parent 28d669cb39
commit 6241cdb27b
5 changed files with 146 additions and 51 deletions
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48
bin/spack
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@@ -49,52 +49,8 @@ spack_prefix = os.path.dirname(os.path.dirname(spack_file))
spack_lib_path = os.path.join(spack_prefix, "lib", "spack")
sys.path.insert(0, spack_lib_path)
# Add external libs
spack_external_libs = os.path.join(spack_lib_path, "external")
if sys.version_info[:2] <= (2, 7):
sys.path.insert(0, os.path.join(spack_external_libs, "py2"))
sys.path.insert(0, spack_external_libs)
# Here we delete ruamel.yaml in case it has been already imported from site
# (see #9206 for a broader description of the issue).
#
# Briefly: ruamel.yaml produces a .pth file when installed with pip that
# makes the site installed package the preferred one, even though sys.path
# is modified to point to another version of ruamel.yaml.
if "ruamel.yaml" in sys.modules:
del sys.modules["ruamel.yaml"]
if "ruamel" in sys.modules:
del sys.modules["ruamel"]
# The following code is here to avoid failures when updating
# the develop version, due to spurious argparse.pyc files remaining
# in the libs/spack/external directory, see:
# https://github.com/spack/spack/pull/25376
# TODO: Remove in v0.18.0 or later
try:
import argparse
except ImportError:
argparse_pyc = os.path.join(spack_external_libs, "argparse.pyc")
if not os.path.exists(argparse_pyc):
raise
try:
os.remove(argparse_pyc)
import argparse # noqa: F401
except Exception:
msg = (
"The file\n\n\t{0}\n\nis corrupted and cannot be deleted by Spack. "
"Either delete it manually or ask some administrator to "
"delete it for you."
)
print(msg.format(argparse_pyc))
sys.exit(1)
import spack.main # noqa: E402
from spack_installable.main import main # noqa: E402
# Once we've set up the system path, run the spack main method
if __name__ == "__main__":
sys.exit(spack.main.main())
sys.exit(main())