def test_get_paths(self):
scheme = get_paths()
default_scheme = _get_default_scheme()
wanted = _expand_vars(default_scheme, None)
wanted = sorted(wanted.items())
scheme = sorted(scheme.items())
self.assertEqual(scheme, wanted)
def test_get_paths(self):
scheme = get_paths()
default_scheme = _get_default_scheme()
wanted = _expand_vars(default_scheme, None)
wanted = sorted(wanted.items())
scheme = sorted(scheme.items())
self.assertEqual(scheme, wanted)
def setUp(self):
super(InstallDataTestCase, self).setUp()
scheme = _get_default_scheme()
old_items = sysconfig._SCHEMES.items(scheme)
def restore():
sysconfig._SCHEMES.remove_section(scheme)
sysconfig._SCHEMES.add_section(scheme)
for option, value in old_items:
sysconfig._SCHEMES.set(scheme, option, value)
self.addCleanup(restore)
def test_resources(self):
install_dir = self.mkdtemp()
scripts_dir = self.mkdtemp()
project_dir, dist = self.create_dist(
name='Spamlib', version='0.1',
data_files={'spamd': '{scripts}/spamd'})
os.chdir(project_dir)
self.write_file('spamd', '# Python script')
sysconfig._SCHEMES.set(_get_default_scheme(), 'scripts', scripts_dir)
sys.path.insert(0, install_dir)
packaging.database.disable_cache()
self.addCleanup(sys.path.remove, install_dir)
self.addCleanup(packaging.database.enable_cache)
cmd = install_dist(dist)
cmd.outputs = ['spamd']
cmd.install_lib = install_dir
dist.command_obj['install_dist'] = cmd
cmd = install_data(dist)
cmd.install_dir = install_dir
cmd.ensure_finalized()
dist.command_obj['install_data'] = cmd
cmd.run()
cmd = install_distinfo(dist)
cmd.ensure_finalized()
dist.command_obj['install_distinfo'] = cmd
cmd.run()
# first a few sanity checks
self.assertEqual(os.listdir(scripts_dir), ['spamd'])
self.assertEqual(os.listdir(install_dir), ['Spamlib-0.1.dist-info'])
# now the real test
fn = os.path.join(install_dir, 'Spamlib-0.1.dist-info', 'RESOURCES')
with open(fn, encoding='utf-8') as fp:
content = fp.read().strip()
expected = 'spamd,%s' % os.path.join(scripts_dir, 'spamd')
self.assertEqual(content, expected)
# just to be sure, we also test that get_file works here, even though
# packaging.database has its own test file
with packaging.database.get_file('Spamlib', 'spamd') as fp:
content = fp.read()
self.assertEqual('# Python script', content)
def get_versions(self):
versions = defaultdict()
bin_ = sysconfig._INSTALL_SCHEMES[
sysconfig._get_default_scheme()]["scripts"]
for p in self.root.glob("versions/*"):
if p.parent.name == "envs" or p.name == "envs":
continue
bin_dir = Path(bin_.format(base=p.as_posix()))
version_path = None
if bin_dir.exists():
version_path = PathEntry.create(
path=bin_dir.absolute().as_posix(),
only_python=False,
name=p.name,
is_root=True,
)
version = None
try:
version = PythonVersion.parse(p.name)
except ValueError:
entry = next(iter(version_path.find_all_python_versions()),
None)
if not entry:
if self.ignore_unsupported:
continue
raise
else:
version = entry.py_version.as_dict()
except Exception:
if not self.ignore_unsupported:
raise
logger.warning("Unsupported Python version %r, ignoring...",
p.name,
exc_info=True)
continue
if not version:
continue
version_tuple = (
version.get("major"),
version.get("minor"),
version.get("patch"),
version.get("is_prerelease"),
version.get("is_devrelease"),
version.get("is_debug"),
)
self.roots[p] = version_path
versions[version_tuple] = version_path
self.paths.append(version_path)
return versions
def main():
# Sysconfig checks
print("Platform: {}".format(sysconfig.get_platform()))
print("Python version: {}".format(sysconfig.get_python_version()))
print(
"Current installation scheme: {}".format(
sysconfig._get_default_scheme()
)
)
print("Paths")
pprint(sysconfig.get_paths())
print("Variables")
pprint(sysconfig.get_config_vars())
print("Environment")
environ_dict = {k: v for k, v in environ.items()}
pprint(environ_dict)
def env_paths(self):
import sysconfig
location = self.virtualenv_location if self.virtualenv_location else sys.prefix
prefix = vistir.compat.Path(location).as_posix()
scheme = sysconfig._get_default_scheme()
config = {
"base": prefix,
"installed_base": prefix,
"platbase": prefix,
"installed_platbase": prefix
}
config.update(self._pyversion)
paths = {
k: v.format(**config)
for k, v in sysconfig._INSTALL_SCHEMES[scheme].items()
}
if "prefix" not in paths:
paths["prefix"] = prefix
return paths
def create(cls, path, only_python=True, pythons=None, name=None):
"""Accepts a path to a base python version directory.
Generates the pyenv version listings for it"""
path = ensure_path(path)
path_entries = defaultdict(PathEntry)
bin_ = sysconfig._INSTALL_SCHEMES[
sysconfig._get_default_scheme()]["scripts"]
if path.as_posix().endswith(Path(bin_).name):
path = path.parent
bin_dir = ensure_path(bin_.format(base=path.as_posix()))
if not name:
name = path.name
current_entry = PathEntry.create(bin_dir,
is_root=True,
only_python=True,
pythons=pythons,
name=name)
path_entries[bin_dir.as_posix()] = current_entry
return cls(name=name, base=bin_dir, paths=path_entries)
def update_event(self, inp=-1):
self.set_output_val(0, sysconfig._get_default_scheme())
def test_simple_run(self):
pkg_dir, dist = self.create_dist()
cmd = install_data(dist)
cmd.install_dir = inst = os.path.join(pkg_dir, 'inst')
scheme = _get_default_scheme()
sysconfig._SCHEMES.set(scheme, 'inst',
os.path.join(pkg_dir, 'inst'))
sysconfig._SCHEMES.set(scheme, 'inst2',
os.path.join(pkg_dir, 'inst2'))
one = os.path.join(pkg_dir, 'one')
self.write_file(one, 'xxx')
inst2 = os.path.join(pkg_dir, 'inst2')
two = os.path.join(pkg_dir, 'two')
self.write_file(two, 'xxx')
# FIXME this creates a literal \{inst2\} directory!
cmd.data_files = {one: '{inst}/one', two: '{inst2}/two'}
self.assertCountEqual(cmd.get_inputs(), [one, two])
# let's run the command
cmd.ensure_finalized()
cmd.run()
# let's check the result
self.assertEqual(len(cmd.get_outputs()), 2)
rtwo = os.path.split(two)[-1]
self.assertTrue(os.path.exists(os.path.join(inst2, rtwo)))
rone = os.path.split(one)[-1]
self.assertTrue(os.path.exists(os.path.join(inst, rone)))
cmd.outfiles = []
# let's try with warn_dir one
cmd.warn_dir = True
cmd.finalized = False
cmd.ensure_finalized()
cmd.run()
# let's check the result
self.assertEqual(len(cmd.get_outputs()), 2)
self.assertTrue(os.path.exists(os.path.join(inst2, rtwo)))
self.assertTrue(os.path.exists(os.path.join(inst, rone)))
cmd.outfiles = []
# now using root and empty dir
cmd.root = os.path.join(pkg_dir, 'root')
three = os.path.join(cmd.install_dir, 'three')
self.write_file(three, 'xx')
sysconfig._SCHEMES.set(scheme, 'inst3', cmd.install_dir)
cmd.data_files = {one: '{inst}/one', two: '{inst2}/two',
three: '{inst3}/three'}
cmd.finalized = False
cmd.ensure_finalized()
cmd.run()
# let's check the result
self.assertEqual(len(cmd.get_outputs()), 3)
self.assertTrue(os.path.exists(os.path.join(inst2, rtwo)))
self.assertTrue(os.path.exists(os.path.join(inst, rone)))
import tempfile
import unittest
import subprocess
import zipapp
from pathlib import Path
from mesonbuild.mesonlib import windows_proof_rmtree, python_command, is_windows
from mesonbuild.coredata import version as meson_version
# Handle the scheme that Debian patches in the as default
import sysconfig
# This function was renamed and made public in Python 3.10
if hasattr(sysconfig, 'get_default_scheme'):
scheme = sysconfig.get_default_scheme()
else:
scheme = sysconfig._get_default_scheme()
if scheme == 'posix_local':
scheme = 'posix_prefix'
def get_pypath():
pypath = sysconfig.get_path('purelib', scheme=scheme, vars={'base': ''})
# Ensure that / is the path separator and not \, then strip /
return Path(pypath).as_posix().strip('/')
def get_pybindir():
# 'Scripts' on Windows and 'bin' on other platforms including MSYS
return sysconfig.get_path('scripts', scheme=scheme, vars={
'base': ''
}).strip('\\/')
