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sdist.py
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sdist.py
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from __future__ import annotations
import logging
import os
import re
import tarfile
from collections import defaultdict
from contextlib import contextmanager
from copy import copy
from gzip import GzipFile
from io import BytesIO
from pathlib import Path
from posixpath import join as pjoin
from pprint import pformat
from typing import TYPE_CHECKING
from typing import Iterator
from poetry.core.masonry.builders.builder import Builder
from poetry.core.masonry.builders.builder import BuildIncludeFile
from poetry.core.masonry.utils.helpers import distribution_name
if TYPE_CHECKING:
from tarfile import TarInfo
from poetry.core.masonry.utils.package_include import PackageInclude
from poetry.core.packages.dependency import Dependency
from poetry.core.packages.project_package import ProjectPackage
SETUP = """\
# -*- coding: utf-8 -*-
from setuptools import setup
{before}
setup_kwargs = {{
'name': {name!r},
'version': {version!r},
'description': {description!r},
'long_description': {long_description!r},
'author': {author!r},
'author_email': {author_email!r},
'maintainer': {maintainer!r},
'maintainer_email': {maintainer_email!r},
'url': {url!r},
{extra}
}}
{after}
setup(**setup_kwargs)
"""
logger = logging.getLogger(__name__)
class SdistBuilder(Builder):
format = "sdist"
def build(
self,
target_dir: Path | None = None,
) -> Path:
logger.info("Building <info>sdist</info>")
target_dir = target_dir or self.default_target_dir
if not target_dir.exists():
target_dir.mkdir(parents=True)
name = distribution_name(self._package.name)
target = target_dir / f"{name}-{self._meta.version}.tar.gz"
gz = GzipFile(target.as_posix(), mode="wb", mtime=0)
tar = tarfile.TarFile(
target.as_posix(), mode="w", fileobj=gz, format=tarfile.PAX_FORMAT
)
try:
tar_dir = f"{self._package.pretty_name}-{self._meta.version}"
files_to_add = self.find_files_to_add(exclude_build=False)
for file in sorted(files_to_add, key=lambda x: x.relative_to_source_root()):
tar_info = tar.gettarinfo(
str(file.path),
arcname=pjoin(tar_dir, str(file.relative_to_source_root())),
)
tar_info = self.clean_tarinfo(tar_info)
if tar_info.isreg():
with file.path.open("rb") as f:
tar.addfile(tar_info, f)
else:
tar.addfile(tar_info) # Symlinks & ?
if self._poetry.package.build_should_generate_setup():
setup = self.build_setup()
tar_info = tarfile.TarInfo(pjoin(tar_dir, "setup.py"))
tar_info.size = len(setup)
tar_info.mtime = 0
tar_info = self.clean_tarinfo(tar_info)
tar.addfile(tar_info, BytesIO(setup))
pkg_info = self.build_pkg_info()
tar_info = tarfile.TarInfo(pjoin(tar_dir, "PKG-INFO"))
tar_info.size = len(pkg_info)
tar_info.mtime = 0
tar_info = self.clean_tarinfo(tar_info)
tar.addfile(tar_info, BytesIO(pkg_info))
finally:
tar.close()
gz.close()
logger.info(f"Built <comment>{target.name}</comment>")
return target
def build_setup(self) -> bytes:
from poetry.core.masonry.utils.package_include import PackageInclude
before, extra, after = [], [], []
package_dir: dict[str, str] = {}
# If we have a build script, use it
if self._package.build_script:
import_name = ".".join(
Path(self._package.build_script).with_suffix("").parts
)
after += [f"from {import_name} import *", "build(setup_kwargs)"]
modules = []
packages = []
package_data = {}
for include in self._module.includes:
if include.formats and "sdist" not in include.formats:
continue
if isinstance(include, PackageInclude):
if include.is_package():
pkg_dir, _packages, _package_data = self.find_packages(include)
if pkg_dir is not None:
pkg_root = os.path.relpath(pkg_dir, str(self._path))
if "" in package_dir:
package_dir.update(
(p, os.path.join(pkg_root, p.replace(".", "/")))
for p in _packages
)
else:
package_dir[""] = pkg_root
packages += [p for p in _packages if p not in packages]
package_data.update(_package_data)
else:
module = include.elements[0].relative_to(include.base).stem
if include.source is not None:
package_dir[""] = str(include.base.relative_to(self._path))
if module not in modules:
modules.append(module)
else:
pass
if package_dir:
before.append(f"package_dir = \\\n{pformat(package_dir)}\n")
extra.append("'package_dir': package_dir,")
if packages:
before.append(f"packages = \\\n{pformat(sorted(packages))}\n")
extra.append("'packages': packages,")
if package_data:
before.append(f"package_data = \\\n{pformat(package_data)}\n")
extra.append("'package_data': package_data,")
if modules:
before.append(f"modules = \\\n{pformat(modules)}")
extra.append("'py_modules': modules,")
dependencies, extras = self.convert_dependencies(
self._package, self._package.requires
)
if dependencies:
before.append(f"install_requires = \\\n{pformat(sorted(dependencies))}\n")
extra.append("'install_requires': install_requires,")
if extras:
before.append(f"extras_require = \\\n{pformat(extras)}\n")
extra.append("'extras_require': extras_require,")
entry_points = self.convert_entry_points()
if entry_points:
before.append(f"entry_points = \\\n{pformat(entry_points)}\n")
extra.append("'entry_points': entry_points,")
script_files = self.convert_script_files()
if script_files:
rel_paths = [str(p.relative_to(self._path)) for p in script_files]
before.append(f"scripts = \\\n{pformat(rel_paths)}\n")
extra.append("'scripts': scripts,")
if self._package.python_versions != "*":
python_requires = self._meta.requires_python
extra.append(f"'python_requires': {python_requires!r},")
return SETUP.format(
before="\n".join(before),
name=str(self._meta.name),
version=self._meta.version,
description=str(self._meta.summary),
long_description=str(self._meta.description),
author=str(self._meta.author),
author_email=str(self._meta.author_email),
maintainer=str(self._meta.maintainer),
maintainer_email=str(self._meta.maintainer_email),
url=str(self._meta.home_page),
extra="\n ".join(extra),
after="\n".join(after),
).encode()
@contextmanager
def setup_py(self) -> Iterator[Path]:
setup = self._path / "setup.py"
has_setup = setup.exists()
if has_setup:
logger.warning("A setup.py file already exists. Using it.")
else:
with setup.open("w", encoding="utf-8") as f:
f.write(self.build_setup().decode())
yield setup
if not has_setup:
setup.unlink()
def build_pkg_info(self) -> bytes:
return self.get_metadata_content().encode()
def find_packages(
self, include: PackageInclude
) -> tuple[str | None, list[str], dict[str, list[str]]]:
"""
Discover subpackages and data.
It also retrieves necessary files.
"""
pkgdir = None
if include.source is not None:
pkgdir = str(include.base)
base = str(include.elements[0].parent)
pkg_name = include.package
pkg_data: dict[str, list[str]] = defaultdict(list)
# Undocumented setup() feature:
# the empty string matches all package names
pkg_data[""].append("*")
packages = [pkg_name]
subpkg_paths = set()
def find_nearest_pkg(rel_path: str) -> tuple[str, str]:
parts = rel_path.split(os.sep)
for i in reversed(range(1, len(parts))):
ancestor = "/".join(parts[:i])
if ancestor in subpkg_paths:
pkg = ".".join([pkg_name] + parts[:i])
return pkg, "/".join(parts[i:])
# Relative to the top-level package
return pkg_name, Path(rel_path).as_posix()
for path, _dirnames, filenames in os.walk(str(base), topdown=True):
if os.path.basename(path) == "__pycache__":
continue
from_top_level = os.path.relpath(path, base)
if from_top_level == ".":
continue
is_subpkg = any(
[filename.endswith(".py") for filename in filenames]
) and not all(
[
self.is_excluded(Path(path, filename).relative_to(self._path))
for filename in filenames
if filename.endswith(".py")
]
)
if is_subpkg:
subpkg_paths.add(from_top_level)
parts = from_top_level.split(os.sep)
packages.append(".".join([pkg_name] + parts))
else:
pkg, from_nearest_pkg = find_nearest_pkg(from_top_level)
data_elements = [
f.relative_to(self._path)
for f in Path(path).glob("*")
if not f.is_dir()
]
data = [e for e in data_elements if not self.is_excluded(e)]
if not data:
continue
if len(data) == len(data_elements):
pkg_data[pkg].append(pjoin(from_nearest_pkg, "*"))
else:
for d in data:
if d.is_dir():
continue
pkg_data[pkg] += [pjoin(from_nearest_pkg, d.name) for d in data]
# Sort values in pkg_data
pkg_data = {k: sorted(v) for (k, v) in pkg_data.items() if v}
return pkgdir, sorted(packages), pkg_data
def find_files_to_add(self, exclude_build: bool = False) -> set[BuildIncludeFile]:
to_add = super().find_files_to_add(exclude_build)
# add any additional files, starting with all LICENSE files
additional_files = set(self._path.glob("LICENSE*"))
# add script files
additional_files.update(self.convert_script_files())
# Include project files
additional_files.add(Path("pyproject.toml"))
# add readme if it is specified
if "readme" in self._poetry.local_config:
additional_files.add(self._poetry.local_config["readme"])
for additional_file in additional_files:
file = BuildIncludeFile(
path=additional_file, project_root=self._path, source_root=self._path
)
if file.path.exists():
logger.debug(f"Adding: {file.relative_to_source_root()}")
to_add.add(file)
return to_add
@classmethod
def convert_dependencies(
cls, package: ProjectPackage, dependencies: list[Dependency]
) -> tuple[list[str], dict[str, list[str]]]:
main = []
extras = defaultdict(list)
req_regex = re.compile(r"^(.+) \((.+)\)$")
for dependency in dependencies:
if dependency.is_optional():
for extra_name, reqs in package.extras.items():
for req in reqs:
if req.name == dependency.name:
requirement = dependency.to_pep_508(with_extras=False)
if ";" in requirement:
requirement, conditions = requirement.split(";")
requirement = requirement.strip()
if req_regex.match(requirement):
requirement = req_regex.sub(
"\\1\\2", requirement.strip()
)
extras[extra_name + ":" + conditions.strip()].append(
requirement
)
continue
requirement = requirement.strip()
if req_regex.match(requirement):
requirement = req_regex.sub(
"\\1\\2", requirement.strip()
)
extras[extra_name].append(requirement)
continue
requirement = dependency.to_pep_508()
if ";" in requirement:
requirement, conditions = requirement.split(";")
requirement = requirement.strip()
if req_regex.match(requirement):
requirement = req_regex.sub("\\1\\2", requirement.strip())
extras[":" + conditions.strip()].append(requirement)
continue
requirement = requirement.strip()
if req_regex.match(requirement):
requirement = req_regex.sub("\\1\\2", requirement.strip())
main.append(requirement)
return main, dict(extras)
@classmethod
def clean_tarinfo(cls, tar_info: TarInfo) -> TarInfo:
"""
Clean metadata from a TarInfo object to make it more reproducible.
- Set uid & gid to 0
- Set uname and gname to ""
- Normalise permissions to 644 or 755
- Set mtime if not None
"""
from poetry.core.masonry.utils.helpers import normalize_file_permissions
ti = copy(tar_info)
ti.uid = 0
ti.gid = 0
ti.uname = ""
ti.gname = ""
ti.mode = normalize_file_permissions(ti.mode)
return ti