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application.py
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application.py
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import logging
import re
from importlib import import_module
from typing import TYPE_CHECKING
from typing import Any
from typing import Callable
from typing import Optional
from typing import Type
from typing import cast
from cleo.application import Application as BaseApplication
from cleo.events.console_command_event import ConsoleCommandEvent
from cleo.events.console_events import COMMAND
from cleo.events.event_dispatcher import EventDispatcher
from cleo.exceptions import CleoException
from cleo.formatters.style import Style
from cleo.io.inputs.argv_input import ArgvInput
from cleo.io.inputs.input import Input
from cleo.io.io import IO
from cleo.io.outputs.output import Output
from poetry.__version__ import __version__
from .command_loader import CommandLoader
from .commands.command import Command
if TYPE_CHECKING:
from crashtest.solution_providers.solution_provider_repository import (
SolutionProviderRepository,
)
def load_command(name: str) -> Callable:
def _load() -> Type[Command]:
module = import_module(
"poetry.console.commands.{}".format(".".join(name.split(" ")))
)
command_class = getattr(
module, "{}Command".format("".join(c.title() for c in name.split(" ")))
)
return command_class()
return _load
COMMANDS = [
"about",
"add",
"build",
"check",
"config",
"export",
"init",
"install",
"lock",
"new",
"publish",
"remove",
"run",
"search",
"shell",
"show",
"update",
"version",
# Cache commands
"cache clear",
"cache list",
# Debug commands
"debug info",
"debug resolve",
# Env commands
"env info",
"env list",
"env remove",
"env use",
# Plugin commands
"plugin add",
"plugin remove",
"plugin show",
# Self commands
"self update",
# Source commands
"source add",
"source remove",
"source show",
]
if TYPE_CHECKING:
from cleo.io.inputs.definition import Definition
from poetry.console.commands.installer_command import InstallerCommand
from poetry.poetry import Poetry
class Application(BaseApplication):
def __init__(self) -> None:
super().__init__("poetry", __version__)
self._poetry = None
self._io: Optional[IO] = None
self._disable_plugins = False
self._plugins_loaded = False
dispatcher = EventDispatcher()
dispatcher.add_listener(COMMAND, self.register_command_loggers)
dispatcher.add_listener(COMMAND, self.configure_env)
dispatcher.add_listener(COMMAND, self.configure_installer)
self.set_event_dispatcher(dispatcher)
command_loader = CommandLoader({name: load_command(name) for name in COMMANDS})
self.set_command_loader(command_loader)
@property
def poetry(self) -> "Poetry":
from pathlib import Path
from poetry.factory import Factory
if self._poetry is not None:
return self._poetry
self._poetry = Factory().create_poetry(
Path.cwd(), io=self._io, disable_plugins=self._disable_plugins
)
return self._poetry
@property
def command_loader(self) -> CommandLoader:
return self._command_loader
def reset_poetry(self) -> None:
self._poetry = None
def create_io(
self,
input: Optional[Input] = None,
output: Optional[Output] = None,
error_output: Optional[Output] = None,
) -> IO:
io = super().create_io(input, output, error_output)
# Set our own CLI styles
formatter = io.output.formatter
formatter.set_style("c1", Style("cyan"))
formatter.set_style("c2", Style("default", options=["bold"]))
formatter.set_style("info", Style("blue"))
formatter.set_style("comment", Style("green"))
formatter.set_style("warning", Style("yellow"))
formatter.set_style("debug", Style("default", options=["dark"]))
formatter.set_style("success", Style("green"))
# Dark variants
formatter.set_style("c1_dark", Style("cyan", options=["dark"]))
formatter.set_style("c2_dark", Style("default", options=["bold", "dark"]))
formatter.set_style("success_dark", Style("green", options=["dark"]))
io.output.set_formatter(formatter)
io.error_output.set_formatter(formatter)
self._io = io
return io
def render_error(self, error: Exception, io: IO) -> None:
# We set the solution provider repository here to load providers
# only when an error occurs
self.set_solution_provider_repository(self._get_solution_provider_repository())
super().render_error(error, io)
def _run(self, io: IO) -> int:
self._disable_plugins = io.input.parameter_option("--no-plugins")
self._load_plugins(io)
return super()._run(io)
def _configure_io(self, io: IO) -> None:
# We need to check if the command being run
# is the "run" command.
definition = self.definition
try:
io.input.bind(definition)
except CleoException:
pass
name = io.input.first_argument
if name == "run":
from .io.inputs.run_argv_input import RunArgvInput
input = cast(ArgvInput, io.input)
run_input = RunArgvInput([self._name or ""] + input._tokens)
# For the run command reset the definition
# with only the set options (i.e. the options given before the command)
for option_name, value in input.options.items():
if value:
option = definition.option(option_name)
run_input.add_parameter_option("--" + option.name)
if option.shortcut:
shortcuts = re.split(r"\|-?", option.shortcut.lstrip("-"))
shortcuts = [s for s in shortcuts if s]
for shortcut in shortcuts:
run_input.add_parameter_option("-" + shortcut.lstrip("-"))
try:
run_input.bind(definition)
except CleoException:
pass
for option_name, value in input.options.items():
if value:
run_input.set_option(option_name, value)
io.set_input(run_input)
return super()._configure_io(io)
def register_command_loggers(
self, event: ConsoleCommandEvent, event_name: str, _: Any
) -> None:
from .logging.io_formatter import IOFormatter
from .logging.io_handler import IOHandler
command = event.command
if not isinstance(command, Command):
return
io = event.io
loggers = [
"poetry.packages.locker",
"poetry.packages.package",
"poetry.utils.password_manager",
]
loggers += command.loggers
handler = IOHandler(io)
handler.setFormatter(IOFormatter())
for logger in loggers:
logger = logging.getLogger(logger)
logger.handlers = [handler]
level = logging.WARNING
# The builders loggers are special and we can actually
# start at the INFO level.
if logger.name.startswith("poetry.core.masonry.builders"):
level = logging.INFO
if io.is_debug():
level = logging.DEBUG
elif io.is_very_verbose() or io.is_verbose():
level = logging.INFO
logger.setLevel(level)
def configure_env(
self, event: ConsoleCommandEvent, event_name: str, _: Any
) -> None:
from .commands.env_command import EnvCommand
command: EnvCommand = cast(EnvCommand, event.command)
if not isinstance(command, EnvCommand):
return
if command.env is not None:
return
from poetry.utils.env import EnvManager
io = event.io
poetry = command.poetry
env_manager = EnvManager(poetry)
env = env_manager.create_venv(io)
if env.is_venv() and io.is_verbose():
io.write_line(f"Using virtualenv: <comment>{env.path}</>")
command.set_env(env)
def configure_installer(
self, event: ConsoleCommandEvent, event_name: str, _: Any
) -> None:
from .commands.installer_command import InstallerCommand
command: InstallerCommand = cast(InstallerCommand, event.command)
if not isinstance(command, InstallerCommand):
return
# If the command already has an installer
# we skip this step
if command.installer is not None:
return
self._configure_installer(command, event.io)
def _configure_installer(self, command: "InstallerCommand", io: "IO") -> None:
from poetry.installation.installer import Installer
poetry = command.poetry
installer = Installer(
io,
command.env,
poetry.package,
poetry.locker,
poetry.pool,
poetry.config,
)
installer.use_executor(poetry.config.get("experimental.new-installer", False))
command.set_installer(installer)
def _load_plugins(self, io: IO) -> None:
if self._plugins_loaded:
return
self._disable_plugins = io.input.has_parameter_option("--no-plugins")
if not self._disable_plugins:
from poetry.plugins.plugin_manager import PluginManager
manager = PluginManager("application.plugin")
manager.load_plugins()
manager.activate(self)
self._plugins_loaded = True
@property
def _default_definition(self) -> "Definition":
from cleo.io.inputs.option import Option
definition = super()._default_definition
definition.add_option(
Option("--no-plugins", flag=True, description="Disables plugins.")
)
return definition
def _get_solution_provider_repository(self) -> "SolutionProviderRepository":
from crashtest.solution_providers.solution_provider_repository import (
SolutionProviderRepository,
)
from poetry.mixology.solutions.providers.python_requirement_solution_provider import (
PythonRequirementSolutionProvider,
)
repository = SolutionProviderRepository()
repository.register_solution_providers([PythonRequirementSolutionProvider])
return repository
def main() -> int:
return Application().run()
if __name__ == "__main__":
main()