def configure_sources(cls, poetry: Poetry, sources: list[dict[str, str]],
config: Config, io: IO) -> None:
for source in sources:
repository = cls.create_legacy_repository(source, config)
is_default = bool(source.get("default", False))
is_secondary = bool(source.get("secondary", False))
if io.is_debug():
message = f"Adding repository {repository.name} ({repository.url})"
if is_default:
message += " and setting it as the default one"
elif is_secondary:
message += " and setting it as secondary"
io.write_line(message)
poetry.pool.add_repository(repository,
is_default,
secondary=is_secondary)
# Put PyPI last to prefer private repositories
# unless we have no default source AND no primary sources
# (default = false, secondary = false)
if poetry.pool.has_default():
if io.is_debug():
io.write_line("Deactivating the PyPI repository")
else:
from poetry.repositories.pypi_repository import PyPiRepository
default = not poetry.pool.has_primary_repositories()
poetry.pool.add_repository(PyPiRepository(), default, not default)
def create_venv(
self,
io: IO,
name: Optional[str] = None,
executable: Optional[str] = None,
force: bool = False,
) -> Union["SystemEnv", "VirtualEnv"]:
if self._env is not None and not force:
return self._env
cwd = self._poetry.file.parent
env = self.get(reload=True)
if not env.is_sane():
force = True
if env.is_venv() and not force:
# Already inside a virtualenv.
return env
create_venv = self._poetry.config.get("virtualenvs.create")
root_venv = self._poetry.config.get("virtualenvs.in-project")
venv_path = self._poetry.config.get("virtualenvs.path")
if root_venv:
venv_path = cwd / ".venv"
elif venv_path is None:
venv_path = Path(CACHE_DIR) / "virtualenvs"
else:
venv_path = Path(venv_path)
if not name:
name = self._poetry.package.name
python_patch = ".".join([str(v) for v in sys.version_info[:3]])
python_minor = ".".join([str(v) for v in sys.version_info[:2]])
if executable:
python_patch = decode(
subprocess.check_output(
list_to_shell_command([
executable,
"-c",
"\"import sys; print('.'.join([str(s) for s in sys.version_info[:3]]))\"",
]),
shell=True,
).strip())
python_minor = ".".join(python_patch.split(".")[:2])
supported_python = self._poetry.package.python_constraint
if not supported_python.allows(Version.parse(python_patch)):
# The currently activated or chosen Python version
# is not compatible with the Python constraint specified
# for the project.
# If an executable has been specified, we stop there
# and notify the user of the incompatibility.
# Otherwise, we try to find a compatible Python version.
if executable:
raise NoCompatiblePythonVersionFound(
self._poetry.package.python_versions, python_patch)
io.write_line(
"<warning>The currently activated Python version {} "
"is not supported by the project ({}).\n"
"Trying to find and use a compatible version.</warning> ".
format(python_patch, self._poetry.package.python_versions))
for python_to_try in reversed(
sorted(
self._poetry.package.AVAILABLE_PYTHONS,
key=lambda v: (v.startswith("3"), -len(v), v),
)):
if len(python_to_try) == 1:
if not parse_constraint("^{}.0".format(
python_to_try)).allows_any(supported_python):
continue
elif not supported_python.allows_all(
parse_constraint(python_to_try + ".*")):
continue
python = "python" + python_to_try
if io.is_debug():
io.write_line("<debug>Trying {}</debug>".format(python))
try:
python_patch = decode(
subprocess.check_output(
list_to_shell_command([
python,
"-c",
"\"import sys; print('.'.join([str(s) for s in sys.version_info[:3]]))\"",
]),
stderr=subprocess.STDOUT,
shell=True,
).strip())
except CalledProcessError:
continue
if not python_patch:
continue
if supported_python.allows(Version.parse(python_patch)):
io.write_line("Using <c1>{}</c1> ({})".format(
python, python_patch))
executable = python
python_minor = ".".join(python_patch.split(".")[:2])
break
if not executable:
raise NoCompatiblePythonVersionFound(
self._poetry.package.python_versions)
if root_venv:
venv = venv_path
else:
name = self.generate_env_name(name, str(cwd))
name = "{}-py{}".format(name, python_minor.strip())
venv = venv_path / name
if not venv.exists():
if create_venv is False:
io.write_line("<fg=black;bg=yellow>"
"Skipping virtualenv creation, "
"as specified in config file."
"</>")
return SystemEnv(Path(sys.prefix))
io.write_line("Creating virtualenv <c1>{}</> in {}".format(
name, str(venv_path)))
self.build_venv(
venv,
executable=executable,
flags=self._poetry.config.get("virtualenvs.options"),
)
else:
if force:
if not env.is_sane():
io.write_line(
"<warning>The virtual environment found in {} seems to be broken.</warning>"
.format(env.path))
io.write_line("Recreating virtualenv <c1>{}</> in {}".format(
name, str(venv)))
self.remove_venv(venv)
self.build_venv(
venv,
executable=executable,
flags=self._poetry.config.get("virtualenvs.options"),
)
elif io.is_very_verbose():
io.write_line(
"Virtualenv <c1>{}</> already exists.".format(name))
# venv detection:
# stdlib venv may symlink sys.executable, so we can't use realpath.
# but others can symlink *to* the venv Python,
# so we can't just use sys.executable.
# So we just check every item in the symlink tree (generally <= 3)
p = os.path.normcase(sys.executable)
paths = [p]
while os.path.islink(p):
p = os.path.normcase(
os.path.join(os.path.dirname(p), os.readlink(p)))
paths.append(p)
p_venv = os.path.normcase(str(venv))
if any(p.startswith(p_venv) for p in paths):
# Running properly in the virtualenv, don't need to do anything
return SystemEnv(Path(sys.prefix), self.get_base_prefix())
return VirtualEnv(venv)
