def install(self) -> int:
venv = VEnv(path=self.path)
if not venv.exists():
print('creating venv...', file=self.stream)
venv.create()
bin_path = venv.bin_path
assert bin_path
if not (bin_path / 'wheel').exists():
print('installing wheel...', file=self.stream)
self._pip_install('pip', 'wheel', 'setuptools')
constr = self.root / 'requirements.txt'
if constr.exists():
print('installing requirements.txt...', file=self.stream)
self._pip_install('-r', str(constr))
try:
print('installing project deps...', file=self.stream)
flit.main([
'install',
'--python',
str(venv.python_path),
'--deps',
'production',
'--extras',
self.name,
'--symlink',
])
except SystemExit as exc:
return exc.code
return 0
def test_deps_audit_command(temp_path: Path, capsys):
reqs_path = temp_path / 'requirements.txt'
reqs_path.write_text('six==1.12.0')
venv_path = temp_path / 'venv'
venv = VEnv(path=venv_path)
assert venv.exists() is False
venv.create(python_path=sys.executable)
config = Config()
config.attach({
'level': 'WARNING',
'silent': True,
'nocolors': True,
})
command = DepsAuditCommand(argv=['jinja2==2.0'], config=config)
result = command()
captured = capsys.readouterr()
print(captured.err)
print(captured.out)
assert result is False
output = json.loads(captured.out)
assert len(output) >= 2
for entry in output:
assert entry['current'] == '2.0'
assert entry['name'] == 'jinja2'
def test_package_install_command(temp_path: Path):
venv_path = temp_path / 'venv'
venv = VEnv(path=venv_path)
assert venv.exists() is False
venv.create(python_path=sys.executable)
config = Config()
config.attach({
'project': str(temp_path),
'venv': str(venv_path),
})
command = PackageInstallCommand(argv=['six==1.12.0'], config=config)
result = command()
assert result is True
assert (venv.lib_path / 'six-1.12.0.dist-info' / 'METADATA').exists()
def test_inspect_venv_command(temp_path: Path, capsys):
venv = VEnv(path=temp_path)
venv.create(python_path=sys.executable)
config = Config()
config.attach({
'project': str(temp_path),
'venv': str(temp_path),
})
command = InspectVenvCommand(argv=[], config=config)
result = command()
assert result is True
captured = capsys.readouterr()
output = json.loads(captured.out)
assert output['exists'] is True
assert output['bin'] == str(venv.bin_path)
def test_venv_destroy_command(temp_path: Path):
venv_path = temp_path / 'venv'
venv = VEnv(path=venv_path)
assert venv.exists() is False
venv.create(python_path=sys.executable)
config = Config()
config.attach({
'project': str(temp_path),
'venv': str(venv_path),
})
command = VenvDestroyCommand(argv=[], config=config)
result = command()
assert result is True
venv = VEnv(path=venv_path)
assert venv.exists() is False
def test_create(temp_path):
venv = VEnv(path=temp_path)
assert venv.exists() is False
assert venv.lib_path is None
assert venv.bin_path is None
assert venv.python_path is None
venv.create()
assert venv.exists() is True
assert venv.lib_path.exists()
assert venv.bin_path.exists()
assert (venv.bin_path / 'pip').exists() or (venv.bin_path /
'pip.exe').exists()
assert venv.python_path.exists()
venv.destroy()
assert venv.exists() is False
def test_deps_install_command(temp_path: Path):
reqs_path = temp_path / 'requirements.txt'
reqs_path.write_text('six==1.12.0')
venv_path = temp_path / 'venv'
venv = VEnv(path=venv_path)
assert venv.exists() is False
venv.create(python_path=sys.executable)
config = Config()
config.attach({
'from': dict(format='pip', path=str(reqs_path)),
'project': str(temp_path),
'venv': str(venv_path),
})
command = DepsInstallCommand(argv=[], config=config)
result = command()
assert result is True
assert (venv.lib_path / 'six-1.12.0.dist-info' / 'METADATA').exists()
def test_deps_outdated_command_venv(temp_path: Path, capsys):
venv_path = temp_path / 'venv'
venv = VEnv(path=venv_path)
assert venv.exists() is False
venv.create(python_path=sys.executable)
config = Config()
config.attach({
'project': str(temp_path),
'venv': str(venv_path),
'level': 'WARNING',
'silent': True,
})
command = DepsOutdatedCommand(argv=[], config=config)
result = command()
assert type(result) is bool
if result is False:
captured = capsys.readouterr()
output = json.loads(captured.out)
names = {line['name'] for line in output}
assert len(names - {'pip', 'setuptools'}) == 0
def __call__(self) -> bool:
resolver = get_resolver(reqs=self.args.name)
name = next(iter(resolver.graph.get_layer(0))).dependencies[0].name
command = self.config.get('command')
if not command:
command = 'python'
if isinstance(command, str):
command = shlex.split(command)
with TemporaryDirectory() as base_path:
base_path = Path(base_path)
# make venv
venv = VEnv(path=base_path)
if venv.exists():
self.logger.error('already installed', extra=dict(package=name))
return False
python = get_python(self.config)
self.logger.info('creating venv...', extra=dict(
venv=str(venv.path),
python=str(python.path),
))
venv.create(python_path=python.path)
# install
ok = install_deps(
resolver=resolver,
python_path=venv.python_path,
logger=self.logger,
silent=self.config['silent'],
)
if not ok:
return False
# install executable
executable = venv.bin_path / command[0]
if not executable.exists():
self.logger.warning('executable is not found in venv, trying to install...', extra=dict(
executable=command[0],
))
ok = install_dep(
name=command[0],
python_path=venv.python_path,
logger=self.logger,
silent=self.config['silent'],
)
if not ok:
return False
if not executable.exists():
self.logger.error('package installed, but executable is not found')
return False
# make startup script to import installed packages
startup_path = base_path / '_startup.py'
packages = self._get_startup_packages(lib_path=venv.lib_path, packages=self.args.name)
if not packages:
self.logger.error('cannot find any packages')
return False
startup_path.write_text('import ' + ', '.join(sorted(packages)))
# run
self.logger.info('running...')
with override_env_vars({'PYTHONSTARTUP': str(startup_path)}):
result = subprocess.run([str(executable)] + command[1:])
if result.returncode != 0:
self.logger.error('command failed', extra=dict(code=result.returncode))
return False
return True
def __call__(self) -> bool:
# load project
loader = CONVERTERS[self.config['from']['format']]
loader = loader.copy(project_path=Path(self.config['project']))
resolver = loader.load_resolver(path=self.config['from']['path'])
if loader.lock:
self.logger.warning('do not build project from lockfile!')
# attach
merged = attach_deps(resolver=resolver, config=self.config, merge=True)
if not merged:
conflict = analyze_conflict(resolver=resolver)
self.logger.warning('conflict was found')
print(conflict)
return False
# dump
project_path = Path(self.config['project'])
reqs = Requirement.from_graph(resolver.graph, lock=False)
self.logger.info('creating wheel...')
dumper = WheelConverter()
project = resolver.graph.metainfo
dumper.dump(path=project_path / 'dist', reqs=reqs, project=project)
wheel_path = dumper._get_path(path=project_path / 'dist',
project=project)
# get command
command = self.args.name
if not command:
command = self.config.get('command')
if not command:
self.logger.error('command required')
return False
if isinstance(command, str):
command = shlex.split(command)
# choose pythons
self.logger.info('get interpreters')
pythons = Pythons()
choosen_pythons: Tuple[Python, ...]
if 'python' in self.config:
# get from config
choosen_pythons = (pythons.get_best(self.config['python']), )
else:
# get from project
pythons_by_version = dict() # type: Dict[str, Python]
python_constraint = resolver.graph.metainfo.python
for python in pythons:
version = str(python.get_short_version())
if version in pythons_by_version:
continue
if python.version not in python_constraint:
continue
pythons_by_version[version] = python
choosen_pythons = tuple(pythons_by_version.values())
for python in choosen_pythons:
with TemporaryDirectory(
) as root_path: # type: Path # type: ignore
root_path = Path(root_path)
# make venv
self.logger.info('create venv',
extra=dict(python=str(python.version)))
venv = VEnv(path=root_path / 'venv')
venv.create(python_path=python.path)
# copy tests
for path in self.config['tests']: # type: Path
self.logger.info('copy files', extra=dict(path=path))
path = Path(path)
if not path.exists():
raise FileNotFoundError(str(path))
# copy file
if path.is_file():
shutil.copyfile(str(path), str(root_path / path.name))
continue
# copy dir
for subpath in path.glob('**/*'):
if not subpath.is_file():
continue
if '__pycache__' in subpath.parts:
continue
new_path = subpath.resolve().relative_to(
self.config['project'])
new_path = root_path.joinpath(new_path)
self.logger.debug('copy',
extra=dict(old=str(subpath),
new=str(new_path)))
new_path.parent.mkdir(exist_ok=True, parents=True)
shutil.copyfile(str(subpath), str(new_path))
# install project
self.logger.info('install project',
extra=dict(path=str(wheel_path)))
dep_spec = str(wheel_path)
extras = set(self.config.get('envs', [])) - {'main'}
if extras:
dep_spec += '[{}]'.format(','.join(extras))
# we are using pip here to make it closer to the real installation
result = subprocess.run(
[str(venv.bin_path / 'pip'), 'install', dep_spec],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
)
if result.returncode != 0:
self.logger.error('failed to install project')
self.logger.error(result.stderr.decode())
return False
# install executable
executable = venv.bin_path / command[0]
if not executable.exists():
self.logger.info('executable not found, installing',
extra=dict(executable=command[0], ))
result = subprocess.run(
[str(venv.bin_path / 'pip'), 'install', command[0]],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
)
if result.returncode != 0:
self.logger.error('failed to install tests executable')
self.logger.error(result.stderr.decode())
return False
# run tests
self.logger.info('run tests', extra=dict(command=command))
result = subprocess.run(
[str(executable)] + command[1:],
cwd=str(root_path),
)
if result.returncode != 0:
self.logger.error('command failed, stopping')
return False
return True