125206d44d
This commit adds a layer of indirection to improve build isolation with
and without external Python, as well as usability of environment views.
It adds `python-venv` as a dependency to all packages that `extends("python")`,
which has the following advantages:
1. Build isolation: only `PYTHONPATH` is considered in builds, not
user / system packages
2. Stable install layout: fixes the problem on Debian, RHEL and Fedora where
external / system python produces `bin/local` subdirs in Spack install prefixes.
3. Environment views are Python virtual environments (and if you add
`py-pip` things like `pip list` work)
Views work whether they're symlink, hardlink or copy type.
This commit additionally makes `spec["python"].command` return
`spec["python-venv"].command`. The rationale is that packages in repos we do
not own do not pass the underlying python to the build system, which could still
result in incorrectly computed install layouts.
Other attributes like `libs`, `headers` should be on `python` anyways and need no change.
82 lines
3.6 KiB
Python
82 lines
3.6 KiB
Python
# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
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# Spack Project Developers. See the top-level COPYRIGHT file for details.
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#
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# SPDX-License-Identifier: (Apache-2.0 OR MIT)
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import os
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import sys
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from spack.package import *
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class PyPip(Package, PythonExtension):
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"""The PyPA recommended tool for installing Python packages."""
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homepage = "https://pip.pypa.io/"
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url = "https://files.pythonhosted.org/packages/py3/p/pip/pip-20.2-py3-none-any.whl"
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list_url = "https://pypi.org/simple/pip/"
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# Requires railroad
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skip_modules = ["pip._vendor"]
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tags = ["build-tools"]
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maintainers("adamjstewart", "pradyunsg")
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license("MIT")
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version("23.1.2", sha256="3ef6ac33239e4027d9a5598a381b9d30880a1477e50039db2eac6e8a8f6d1b18")
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version("23.0", sha256="b5f88adff801f5ef052bcdef3daa31b55eb67b0fccd6d0106c206fa248e0463c")
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version("22.2.2", sha256="b61a374b5bc40a6e982426aede40c9b5a08ff20e640f5b56977f4f91fed1e39a")
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version("22.1.2", sha256="a3edacb89022ef5258bf61852728bf866632a394da837ca49eb4303635835f17")
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version("21.3.1", sha256="deaf32dcd9ab821e359cd8330786bcd077604b5c5730c0b096eda46f95c24a2d")
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version("21.1.2", sha256="f8ea1baa693b61c8ad1c1d8715e59ab2b93cd3c4769bacab84afcc4279e7a70e")
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version("20.2", sha256="d75f1fc98262dabf74656245c509213a5d0f52137e40e8f8ed5cc256ddd02923")
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version("19.3", sha256="e100a7eccf085f0720b4478d3bb838e1c179b1e128ec01c0403f84e86e0e2dfb")
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version("19.1.1", sha256="993134f0475471b91452ca029d4390dc8f298ac63a712814f101cd1b6db46676")
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version("19.0.3", sha256="bd812612bbd8ba84159d9ddc0266b7fbce712fc9bc98c82dee5750546ec8ec64")
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version("18.1", sha256="7909d0a0932e88ea53a7014dfd14522ffef91a464daaaf5c573343852ef98550")
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version("10.0.1", sha256="717cdffb2833be8409433a93746744b59505f42146e8d37de6c62b430e25d6d7")
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version("9.0.1", sha256="690b762c0a8460c303c089d5d0be034fb15a5ea2b75bdf565f40421f542fefb0")
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extends("python")
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depends_on("python@3.7:", when="@22:", type=("build", "run"))
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# Uses collections.MutableMapping
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depends_on("python@:3.9", when="@:19.1", type=("build", "run"))
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resource(
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name="pip-bootstrap",
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url="https://bootstrap.pypa.io/pip/zipapp/pip-22.3.1.pyz",
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checksum="c9363c70ad91d463f9492a8a2c89f60068f86b0239bd2a6aa77367aab5fefb3e",
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when="platform=windows",
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placement={"pip-22.3.1.pyz": "pip.pyz"},
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expand=False,
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)
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def url_for_version(self, version):
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url = "https://files.pythonhosted.org/packages/{0}/p/pip/pip-{1}-{0}-none-any.whl"
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if version >= Version("21"):
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python_tag = "py3"
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else:
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python_tag = "py2.py3"
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return url.format(python_tag, version)
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def install(self, spec, prefix):
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# To build and install pip from source, you need setuptools, wheel, and pip
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# already installed. We get around this by using a pre-built wheel to install
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# itself, see:
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# https://discuss.python.org/t/bootstrapping-a-specific-version-of-pip/12306
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whl = self.stage.archive_file
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args = std_pip_args + ["--prefix=" + prefix, whl]
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if sys.platform == "win32":
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# On Windows for newer versions of pip, you must bootstrap pip first.
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# In order to achieve this, use the pip.pyz zipapp version of pip to
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# bootstrap the pip wheel install.
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args.insert(0, os.path.join(self.stage.source_path, "pip.pyz"))
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else:
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args.insert(0, os.path.join(whl, "pip"))
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python(*args)
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def setup_dependent_package(self, module, dependent_spec: Spec):
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setattr(module, "pip", python.with_default_args("-m", "pip"))
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