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resolve.py
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resolve.py
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from __future__ import annotations
from cleo.helpers import argument
from cleo.helpers import option
from cleo.io.outputs.output import Verbosity
from poetry.console.commands.init import InitCommand
from poetry.console.commands.show import ShowCommand
class DebugResolveCommand(InitCommand):
name = "debug resolve"
description = "Debugs dependency resolution."
arguments = [
argument("package", "The packages to resolve.", optional=True, multiple=True)
]
options = [
option(
"extras",
"E",
"Extras to activate for the dependency.",
flag=False,
multiple=True,
),
option("python", None, "Python version(s) to use for resolution.", flag=False),
option("tree", None, "Display the dependency tree."),
option("install", None, "Show what would be installed for the current system."),
]
loggers = ["poetry.repositories.pypi_repository", "poetry.inspection.info"]
def handle(self) -> int:
from cleo.io.null_io import NullIO
from poetry.core.packages.project_package import ProjectPackage
from poetry.factory import Factory
from poetry.puzzle.solver import Solver
from poetry.repositories.repository import Repository
from poetry.repositories.repository_pool import RepositoryPool
from poetry.utils.env import EnvManager
packages = self.argument("package")
if not packages:
package = self.poetry.package
else:
# Using current pool for determine_requirements()
self._pool = self.poetry.pool
package = ProjectPackage(
self.poetry.package.name, self.poetry.package.version
)
# Silencing output
verbosity = self.io.output.verbosity
self.io.output.set_verbosity(Verbosity.QUIET)
requirements = self._determine_requirements(packages)
self.io.output.set_verbosity(verbosity)
for constraint in requirements:
name = constraint.pop("name")
assert isinstance(name, str)
extras = []
for extra in self.option("extras"):
extras += extra.split()
constraint["extras"] = extras
package.add_dependency(Factory.create_dependency(name, constraint))
package.python_versions = self.option("python") or (
self.poetry.package.python_versions
)
pool = self.poetry.pool
solver = Solver(package, pool, [], [], self.io)
ops = solver.solve().calculate_operations()
self.line("")
self.line("Resolution results:")
self.line("")
if self.option("tree"):
show_command = self.application.find("show")
assert isinstance(show_command, ShowCommand)
show_command.init_styles(self.io)
packages = [op.package for op in ops]
requires = package.all_requires
for pkg in packages:
for require in requires:
if pkg.name == require.name:
show_command.display_package_tree(self.io, pkg, packages)
break
return 0
table = self.table(style="compact")
table.style.set_vertical_border_chars("", " ")
rows = []
if self.option("install"):
env = EnvManager(self.poetry).get()
pool = RepositoryPool()
locked_repository = Repository("poetry-locked")
for op in ops:
locked_repository.add_package(op.package)
pool.add_repository(locked_repository)
solver = Solver(package, pool, [], [], NullIO())
with solver.use_environment(env):
ops = solver.solve().calculate_operations()
for op in ops:
if self.option("install") and op.skipped:
continue
pkg = op.package
row = [
f"<c1>{pkg.complete_name}</c1>",
f"<b>{pkg.version}</b>",
]
if not pkg.marker.is_any():
row[2] = str(pkg.marker)
rows.append(row)
table.set_rows(rows)
table.render()
return 0