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"""Test .dist-info style distributions.
"""
import pathlib
import re
import shutil
import subprocess
import sys
from functools import partial
import pytest
import pkg_resources
from setuptools.archive_util import unpack_archive
from .textwrap import DALS
read = partial(pathlib.Path.read_text, encoding="utf-8")
class TestDistInfo:
metadata_base = DALS(
"""
Metadata-Version: 1.2
Requires-Dist: splort (==4)
Provides-Extra: baz
Requires-Dist: quux (>=1.1); extra == 'baz'
"""
)
@classmethod
def build_metadata(cls, **kwargs):
lines = ('{key}: {value}\n'.format(**locals()) for key, value in kwargs.items())
return cls.metadata_base + ''.join(lines)
@pytest.fixture
def metadata(self, tmpdir):
dist_info_name = 'VersionedDistribution-2.718.dist-info'
versioned = tmpdir / dist_info_name
versioned.mkdir()
filename = versioned / 'METADATA'
content = self.build_metadata(
Name='VersionedDistribution',
)
filename.write_text(content, encoding='utf-8')
dist_info_name = 'UnversionedDistribution.dist-info'
unversioned = tmpdir / dist_info_name
unversioned.mkdir()
filename = unversioned / 'METADATA'
content = self.build_metadata(
Name='UnversionedDistribution',
Version='0.3',
)
filename.write_text(content, encoding='utf-8')
return str(tmpdir)
def test_distinfo(self, metadata):
dists = dict(
(d.project_name, d) for d in pkg_resources.find_distributions(metadata)
)
assert len(dists) == 2, dists
unversioned = dists['UnversionedDistribution']
versioned = dists['VersionedDistribution']
assert versioned.version == '2.718' # from filename
assert unversioned.version == '0.3' # from METADATA
def test_conditional_dependencies(self, metadata):
specs = 'splort==4', 'quux>=1.1'
requires = list(map(pkg_resources.Requirement.parse, specs))
for d in pkg_resources.find_distributions(metadata):
assert d.requires() == requires[:1]
assert d.requires(extras=('baz',)) == [
requires[0],
pkg_resources.Requirement.parse('quux>=1.1;extra=="baz"'),
]
assert d.extras == ['baz']
def test_invalid_version(self, tmp_path):
"""
Supplying an invalid version crashes dist_info.
"""
config = "[metadata]\nname=proj\nversion=42\n[egg_info]\ntag_build=invalid!!!\n"
(tmp_path / "setup.cfg").write_text(config, encoding="utf-8")
msg = re.compile("invalid version", re.M | re.I)
proc = run_command_inner("dist_info", cwd=tmp_path, check=False)
assert proc.returncode
assert msg.search(proc.stdout)
assert not list(tmp_path.glob("*.dist-info"))
def test_tag_arguments(self, tmp_path):
config = """
[metadata]
name=proj
version=42
[egg_info]
tag_date=1
tag_build=.post
"""
(tmp_path / "setup.cfg").write_text(config, encoding="utf-8")
print(run_command("dist_info", "--no-date", cwd=tmp_path))
dist_info = next(tmp_path.glob("*.dist-info"))
assert dist_info.name.startswith("proj-42")
shutil.rmtree(dist_info)
print(run_command("dist_info", "--tag-build", ".a", cwd=tmp_path))
dist_info = next(tmp_path.glob("*.dist-info"))
assert dist_info.name.startswith("proj-42a")
@pytest.mark.parametrize("keep_egg_info", (False, True))
def test_output_dir(self, tmp_path, keep_egg_info):
config = "[metadata]\nname=proj\nversion=42\n"
(tmp_path / "setup.cfg").write_text(config, encoding="utf-8")
out = tmp_path / "__out"
out.mkdir()
opts = ["--keep-egg-info"] if keep_egg_info else []
run_command("dist_info", "--output-dir", out, *opts, cwd=tmp_path)
assert len(list(out.glob("*.dist-info"))) == 1
assert len(list(tmp_path.glob("*.dist-info"))) == 0
expected_egg_info = 1 if keep_egg_info else 0
assert len(list(out.glob("*.egg-info"))) == expected_egg_info
assert len(list(tmp_path.glob("*.egg-info"))) == 0
assert len(list(out.glob("*.__bkp__"))) == 0
assert len(list(tmp_path.glob("*.__bkp__"))) == 0
class TestWheelCompatibility:
"""Make sure the .dist-info directory produced with the ``dist_info`` command
is the same as the one produced by ``bdist_wheel``.
"""
SETUPCFG = DALS(
"""
[metadata]
name = {name}
version = {version}
[options]
install_requires =
foo>=12; sys_platform != "linux"
[options.extras_require]
test = pytest
[options.entry_points]
console_scripts =
executable-name = my_package.module:function
discover =
myproj = my_package.other_module:function
"""
)
EGG_INFO_OPTS = [
# Related: #3088 #2872
("", ""),
(".post", "[egg_info]\ntag_build = post\n"),
(".post", "[egg_info]\ntag_build = .post\n"),
(".post", "[egg_info]\ntag_build = post\ntag_date = 1\n"),
(".dev", "[egg_info]\ntag_build = .dev\n"),
(".dev", "[egg_info]\ntag_build = .dev\ntag_date = 1\n"),
("a1", "[egg_info]\ntag_build = .a1\n"),
("+local", "[egg_info]\ntag_build = +local\n"),
]
@pytest.mark.parametrize("name", "my-proj my_proj my.proj My.Proj".split())
@pytest.mark.parametrize("version", ["0.42.13"])
@pytest.mark.parametrize("suffix, cfg", EGG_INFO_OPTS)
def test_dist_info_is_the_same_as_in_wheel(
self, name, version, tmp_path, suffix, cfg
):
config = self.SETUPCFG.format(name=name, version=version) + cfg
for i in "dir_wheel", "dir_dist":
(tmp_path / i).mkdir()
(tmp_path / i / "setup.cfg").write_text(config, encoding="utf-8")
run_command("bdist_wheel", cwd=tmp_path / "dir_wheel")
wheel = next(tmp_path.glob("dir_wheel/dist/*.whl"))
unpack_archive(wheel, tmp_path / "unpack")
wheel_dist_info = next(tmp_path.glob("unpack/*.dist-info"))
run_command("dist_info", cwd=tmp_path / "dir_dist")
dist_info = next(tmp_path.glob("dir_dist/*.dist-info"))
assert dist_info.name == wheel_dist_info.name
assert dist_info.name.startswith(f"{name.replace('-', '_')}-{version}{suffix}")
for file in "METADATA", "entry_points.txt":
assert read(dist_info / file) == read(wheel_dist_info / file)
def run_command_inner(*cmd, **kwargs):
opts = {
"stderr": subprocess.STDOUT,
"stdout": subprocess.PIPE,
"text": True,
'check': True,
**kwargs,
}
cmd = [sys.executable, "-c", "__import__('setuptools').setup()", *map(str, cmd)]
return subprocess.run(cmd, **opts)
def run_command(*args, **kwargs):
return run_command_inner(*args, **kwargs).stdout
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