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poetrypkg.py
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poetrypkg.py
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# Copyright The Cloud Custodian Authors.
# SPDX-License-Identifier: Apache-2.0
"""
Supplemental tooling for managing custodian packaging.
Has various workarounds for poetry
"""
from collections import defaultdict
import click
import os
import sys
import toml
from pathlib import Path
def envbool(value):
if not value:
return False
value = value.lower()
if value == 'true':
return True
elif value == 'yes':
return True
return False
POETRY_DEBUG = envbool(os.environ.get('POETRY_DEBUG'))
@click.group()
def cli():
"""Custodian Python Packaging Utility
some simple tooling to sync poetry files to setup/pip
"""
# if we're using poetry from git, have a flag to prevent the user installed
# one from getting precedence.
if POETRY_DEBUG:
return
# If there is a global installation of poetry, prefer that.
poetry_python_lib = Path(os.path.expanduser('~/.poetry/lib'))
if poetry_python_lib.exists():
sys.path.insert(0, os.path.realpath(poetry_python_lib))
# poetry env vendored deps
sys.path.insert(
0,
os.path.join(
poetry_python_lib,
'poetry',
'_vendor',
'py{}.{}'.format(sys.version_info.major, sys.version_info.minor),
),
)
# If there is a global installation of poetry, prefer that.
cur_poetry_python_lib = Path(os.path.expanduser('~/.local/share/pypoetry/venv/lib'))
if cur_poetry_python_lib.exists():
sys.path.insert(
0, str(list(cur_poetry_python_lib.glob('*'))[0] / "site-packages")
)
osx_poetry_python_lib = Path(
os.path.expanduser('~/Library/Application Support/pypoetry/venv/lib')
)
if osx_poetry_python_lib.exists():
sys.path.insert(
0, str(list(osx_poetry_python_lib.glob('*'))[0] / "site-packages")
)
# Override the poetry base template as all our readmes files
# are in markdown format.
#
# Pull request submitted upstream to correctly autodetect
# https://github.com/python-poetry/poetry/pull/1994
#
SETUP_TEMPLATE = """\
# -*- coding: utf-8 -*-
from setuptools import setup
{before}
setup_kwargs = {{
'name': {name!r},
'version': {version!r},
'description': {description!r},
'license': 'Apache-2.0',
'classifiers': [
'License :: OSI Approved :: Apache Software License',
'Topic :: System :: Systems Administration',
'Topic :: System :: Distributed Computing'
],
'long_description': {long_description!r},
'long_description_content_type': 'text/markdown',
'author': {author!r},
'author_email': {author_email!r},
'maintainer': {maintainer!r},
'maintainer_email': {maintainer_email!r},
'url': {url!r},
{extra}
}}
{after}
setup(**setup_kwargs)
"""
@cli.command()
@click.option('-p', '--package-dir', type=click.Path())
@click.option('-f', '--version-file', type=click.Path())
def gen_version_file(package_dir, version_file):
data = toml.load(Path(str(package_dir)) / 'pyproject.toml')
version = data['tool']['poetry']['version']
with open(version_file, 'w') as fh:
fh.write('# Generated via tools/dev/poetrypkg.py\n')
fh.write('version = "{}"\n'.format(version))
@cli.command()
@click.option('-p', '--package-dir', type=click.Path())
def gen_setup(package_dir):
"""Generate a setup suitable for dev compatibility with pip."""
from poetry.core.masonry.builders import sdist
from poetry.factory import Factory
factory = Factory()
poetry = factory.create_poetry(package_dir)
# the alternative to monkey patching is carrying forward a
# 100 line method. See SETUP_TEMPLATE comments above.
sdist.SETUP = SETUP_TEMPLATE
class SourceDevBuilder(sdist.SdistBuilder):
# to enable poetry with a monorepo, we have internal deps
# as source path dev dependencies, when we go to generate
# setup.py we need to ensure that the source deps are
# recorded faithfully.
@classmethod
def convert_dependencies(cls, package, dependencies):
reqs, default = super().convert_dependencies(package, dependencies)
resolve_source_deps(poetry, package, reqs)
return reqs, default
builder = SourceDevBuilder(poetry, None, None)
setup_content = builder.build_setup()
with open(os.path.join(package_dir, 'setup.py'), 'wb') as fh:
fh.write(b'# Automatically generated from poetry/pyproject.toml\n')
fh.write(b'# flake8: noqa\n')
fh.write(setup_content)
@cli.command()
@click.option('-p', '--package-dir', type=click.Path())
@click.option('-o', '--output', default='setup.py')
@click.option('-x', '--exclude', multiple=True)
@click.option('-r', '--remove', multiple=True)
def gen_frozensetup(package_dir, output, exclude, remove):
"""Generate a frozen setup suitable for distribution."""
from poetry.core.masonry.builders import sdist
from poetry.factory import Factory
factory = Factory()
poetry = factory.create_poetry(package_dir)
sdist.SETUP = SETUP_TEMPLATE
class FrozenBuilder(sdist.SdistBuilder):
@classmethod
def convert_dependencies(cls, package, dependencies):
reqs, default = locked_deps(package, poetry, exclude, remove)
resolve_source_deps(poetry, package, reqs, frozen=True)
return reqs, default
builder = FrozenBuilder(poetry, None, None)
setup_content = builder.build_setup()
with open(os.path.join(package_dir, output), 'wb') as fh:
fh.write(b'# Automatically generated from pyproject.toml\n')
fh.write(b'# flake8: noqa\n')
fh.write(setup_content)
def resolve_source_deps(poetry, package, reqs, frozen=False):
# find any source path dev deps and them and their recursive
# deps to reqs
if poetry.local_config['name'] not in (package.name, package.pretty_name):
return
source_deps = []
for dep_name, info in poetry.local_config.get('dev-dependencies', {}).items():
if isinstance(info, dict) and 'path' in info:
source_deps.append(dep_name)
if not source_deps:
return
from poetry.core.packages.dependency import Dependency
dep_map = {d['name']: d for d in poetry.locker.lock_data['package']}
seen = set(source_deps)
seen.add('setuptools')
prefix = '' if frozen else '^'
while source_deps:
dep = source_deps.pop()
if dep not in dep_map:
dep = dep.replace('_', '-')
version = dep_map[dep]['version']
reqs.append(Dependency(dep, '{}{}'.format(prefix, version)).to_pep_508())
for cdep, cversion in dep_map[dep].get('dependencies', {}).items():
if cdep in seen:
continue
source_deps.append(cdep)
seen.add(cdep)
def locked_deps(package, poetry, exclude=(), remove=()):
reqs = []
deps = poetry.locker.get_project_dependency_packages(
project_requires=package.all_requires,
dev=False, extras=[])
project_deps = {r.name: r for r in poetry.package.requires}
for dep_pkg in deps:
p = dep_pkg.package
d = dep_pkg.dependency
if p.name in exclude and p.name in project_deps:
reqs.append(project_deps[p.name].to_pep_508())
continue
if p.name in remove:
continue
line = "{}=={}".format(p.name, p.version)
requirement = d.to_pep_508(with_extras=False)
if ';' in requirement:
line += "; {}".format(requirement.split(";")[1].strip())
reqs.append(line)
return reqs, defaultdict(list)
if __name__ == '__main__':
cli()