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Refactor dep processing to improve efficiency of installation

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Assemble single list of dependencies to reduce duplication and reduce installation overhead
This commit is contained in:
Ethan Paul
2020-11-12 22:14:49 -05:00
parent e37c166a8b
commit d910b6ee8d
3 changed files with 80 additions and 107 deletions
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29
tox_poetry_installer/utilities.py
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@@ -4,12 +4,14 @@ from typing import Sequence
from typing import Set
from poetry.core.packages import Package as PoetryPackage
from poetry.factory import Factory as PoetryFactory
from poetry.installation.pip_installer import PipInstaller as PoetryPipInstaller
from poetry.io.null_io import NullIO as PoetryNullIO
from poetry.poetry import Poetry
from poetry.puzzle.provider import Provider as PoetryProvider
from poetry.utils.env import VirtualEnv as PoetryVirtualEnv
from tox import reporter
from tox.action import Action as ToxAction
from tox.venv import VirtualEnv as ToxVirtualEnv
from tox_poetry_installer import constants
@@ -38,7 +40,7 @@ def install_to_venv(
)
for dependency in packages:
reporter.verbosity1(f"{constants.REPORTER_PREFIX} installing {dependency}")
reporter.verbosity1(f"{constants.REPORTER_PREFIX} Installing {dependency}")
installer.install(dependency)
@@ -60,7 +62,7 @@ def find_transients(packages: PackageMap, dependency_name: str) -> Set[PoetryPac
def find_deps_of_deps(name: str, transients: PackageMap):
if name in PoetryProvider.UNSAFE_PACKAGES:
reporter.warning(
f"{constants.REPORTER_PREFIX} installing package '{name}' using Poetry is not supported; skipping installation of package '{name}'"
f"{constants.REPORTER_PREFIX} Installing package '{name}' using Poetry is not supported; skipping installation of package '{name}'"
)
else:
transients[name] = packages[name]
@@ -83,3 +85,26 @@ def find_transients(packages: PackageMap, dependency_name: str) -> Set[PoetryPac
raise exceptions.LockedDepNotFoundError(
f"No version of locked dependency '{dependency_name}' found in the project lockfile"
) from None
def check_preconditions(venv: ToxVirtualEnv, action: ToxAction) -> Poetry:
"""Check that the local project environment meets expectations"""
# Skip running the plugin for the packaging environment. PEP-517 front ends can handle
# that better than we can, so let them do their thing. More to the point: if you're having
# problems in the packaging env that this plugin would solve, god help you.
if action.name == venv.envconfig.config.isolated_build_env:
raise exceptions.SkipEnvironment(
f"Skipping isolated packaging build env '{action.name}'"
)
try:
return PoetryFactory().create_poetry(venv.envconfig.config.toxinidir)
# Support running the plugin when the current tox project does not use Poetry for its
# environment/dependency management.
#
# ``RuntimeError`` is dangerous to blindly catch because it can be (and in Poetry's case,
# is) raised in many different places for different purposes.
except RuntimeError:
raise exceptions.SkipEnvironment(
"Project does not use Poetry for env management, skipping installation of locked dependencies"
) from None