|
| 1 | +""" |
| 2 | +Base classes for the wheel repairers. |
| 3 | +""" |
| 4 | + |
| 5 | +from __future__ import annotations |
| 6 | + |
| 7 | +import dataclasses |
| 8 | +import functools |
| 9 | +import os |
| 10 | +import platform |
| 11 | +import sysconfig |
| 12 | +import typing |
| 13 | +from abc import ABC, abstractmethod |
| 14 | +from pathlib import Path |
| 15 | +from typing import ClassVar, Final |
| 16 | + |
| 17 | +from .._logging import logger |
| 18 | + |
| 19 | +if typing.TYPE_CHECKING: |
| 20 | + from ..build._wheelfile import WheelWriter |
| 21 | + from ..builder.builder import Builder |
| 22 | + from ..file_api.model.codemodel import Configuration, Target |
| 23 | + |
| 24 | + |
| 25 | +@dataclasses.dataclass |
| 26 | +class WheelRepairer(ABC): |
| 27 | + """Abstract wheel repairer.""" |
| 28 | + |
| 29 | + wheel: WheelWriter |
| 30 | + """The current wheel creator.""" |
| 31 | + builder: Builder |
| 32 | + """CMake builder used.""" |
| 33 | + install_dir: Path |
| 34 | + """Wheel install directory of the CMake project.""" |
| 35 | + wheel_dirs: dict[str, Path] |
| 36 | + """Wheel packaging directories.""" |
| 37 | + _platform_repairers: ClassVar[dict[str, type[WheelRepairer]]] = {} |
| 38 | + """Dictionary of platform specific repairers""" |
| 39 | + _platform: ClassVar[str | None] = None |
| 40 | + """The ``platform.system()`` corresponding to the current repairer.""" |
| 41 | + _initialized: Final[bool] = False |
| 42 | + """Whether all ``WheelRepairer`` have been initialized.""" |
| 43 | + _filter_targets: ClassVar[bool] = True |
| 44 | + """Whether to filter the targets before calling ``patch_target``.""" |
| 45 | + |
| 46 | + def __init_subclass__(cls) -> None: |
| 47 | + if cls._platform: |
| 48 | + WheelRepairer._platform_repairers[cls._platform] = cls |
| 49 | + |
| 50 | + @functools.cached_property |
| 51 | + def configuration(self) -> Configuration: |
| 52 | + """Current file-api configuration.""" |
| 53 | + assert self.builder.config.file_api |
| 54 | + reply = self.builder.config.file_api.reply |
| 55 | + assert reply.codemodel_v2 |
| 56 | + return next( |
| 57 | + conf |
| 58 | + for conf in reply.codemodel_v2.configurations |
| 59 | + if conf.name == self.builder.config.build_type |
| 60 | + ) |
| 61 | + |
| 62 | + @property |
| 63 | + def targets(self) -> list[Target]: |
| 64 | + """All targets found from file-api.""" |
| 65 | + return self.configuration.targets |
| 66 | + |
| 67 | + def path_relative_site_packages( |
| 68 | + self, |
| 69 | + path: Path, |
| 70 | + relative_to: Path | None = None, |
| 71 | + ) -> Path: |
| 72 | + """ |
| 73 | + Transform an absolute path to a relative one in the final site-packages. |
| 74 | +
|
| 75 | + It accounts for the temporary wheel install directory and the current build environment |
| 76 | + (isolated or not). |
| 77 | +
|
| 78 | + If ``relative_to`` is not passed, the root path is the ``platlib`` wheel path. If it is |
| 79 | + a relative path, it is considered as relative to ``install-dir``. |
| 80 | +
|
| 81 | + :raises ValueError: if ``path`` does not belong to the current site-packages |
| 82 | + """ |
| 83 | + assert path.is_absolute(), "Path must be absolute" |
| 84 | + if relative_to is None: |
| 85 | + relative_to = self.wheel_dirs["platlib"] |
| 86 | + if not relative_to.is_absolute(): |
| 87 | + relative_to = self.install_dir / relative_to |
| 88 | + # Make sure relative_to is relative to platlib path, otherwise throw the ValueError |
| 89 | + relative_to.relative_to(self.wheel_dirs["platlib"]) |
| 90 | + |
| 91 | + try: |
| 92 | + # Try to get the relative path in the wheel install platlib |
| 93 | + path.relative_to(self.wheel_dirs["platlib"]) |
| 94 | + except ValueError: |
| 95 | + # Otherwise check if the path is relative to build environment |
| 96 | + path = path.relative_to(sysconfig.get_path("platlib")) |
| 97 | + # Mock the path to be in the wheel install platlib |
| 98 | + path = self.wheel_dirs["platlib"] / path |
| 99 | + return Path(os.path.relpath(path, relative_to)) |
| 100 | + |
| 101 | + def path_is_in_site_packages(self, path: Path) -> bool: |
| 102 | + """Check if a path belongs to the current site-packages.""" |
| 103 | + try: |
| 104 | + self.path_relative_site_packages(path) |
| 105 | + except ValueError: |
| 106 | + return False |
| 107 | + else: |
| 108 | + return True |
| 109 | + |
| 110 | + def get_wheel_install_paths(self, target: Target) -> set[Path]: |
| 111 | + """Get a target's install paths that belong to the wheel.""" |
| 112 | + if not target.install: |
| 113 | + return set() |
| 114 | + install_paths = [] |
| 115 | + for dest in target.install.destinations: |
| 116 | + path = dest.path |
| 117 | + if path.is_absolute(): |
| 118 | + try: |
| 119 | + path = path.relative_to(self.install_dir) |
| 120 | + except ValueError: |
| 121 | + continue |
| 122 | + install_paths.append(path) |
| 123 | + return set(install_paths) |
| 124 | + |
| 125 | + def get_library_dependencies(self, target: Target) -> list[Target]: |
| 126 | + """Get a target's library dependencies that need to be patched.""" |
| 127 | + dependencies = [] |
| 128 | + for dep in target.dependencies: |
| 129 | + dep_target = next(targ for targ in self.targets if targ.id == dep.id) |
| 130 | + if dep_target.type == "EXECUTABLE": |
| 131 | + logger.warning("Handling executable dependencies not supported yet.") |
| 132 | + continue |
| 133 | + if dep_target.type != "SHARED_LIBRARY": |
| 134 | + continue |
| 135 | + dep_install_paths = self.get_wheel_install_paths(dep_target) |
| 136 | + if not dep_install_paths: |
| 137 | + logger.warning( |
| 138 | + "Cannot patch dependency {dep} of target {target} because " |
| 139 | + "the dependency is not installed in the wheel", |
| 140 | + dep=dep_target.name, |
| 141 | + target=target.name, |
| 142 | + ) |
| 143 | + continue |
| 144 | + if len(dep_install_paths) > 1: |
| 145 | + logger.warning( |
| 146 | + "Cannot patch dependency {dep} of target {target} because " |
| 147 | + "the dependency is installed in multiple locations on the wheel", |
| 148 | + dep=dep_target.name, |
| 149 | + target=target.name, |
| 150 | + ) |
| 151 | + continue |
| 152 | + dependencies.append(dep_target) |
| 153 | + return dependencies |
| 154 | + |
| 155 | + def repair_wheel(self) -> None: |
| 156 | + """Repair the current wheel.""" |
| 157 | + for target in self.targets: |
| 158 | + if self._filter_targets: |
| 159 | + if target.type == "STATIC_LIBRARY": |
| 160 | + logger.debug( |
| 161 | + "Handling static library {target} not supported yet.", |
| 162 | + target=target.name, |
| 163 | + ) |
| 164 | + continue |
| 165 | + if target.type not in ( |
| 166 | + "SHARED_LIBRARY", |
| 167 | + "MODULE_LIBRARY", |
| 168 | + "EXECUTABLE", |
| 169 | + ): |
| 170 | + continue |
| 171 | + if not target.install: |
| 172 | + logger.debug( |
| 173 | + "Skip patching {target} because it is not being installed.", |
| 174 | + target=target.name, |
| 175 | + ) |
| 176 | + continue |
| 177 | + self.patch_target(target) |
| 178 | + |
| 179 | + @abstractmethod |
| 180 | + def patch_target(self, target: Target) -> None: |
| 181 | + """Patch a specific target""" |
| 182 | + |
| 183 | + @classmethod |
| 184 | + def get_wheel_repairer( |
| 185 | + cls, |
| 186 | + wheel: WheelWriter, |
| 187 | + builder: Builder, |
| 188 | + install_dir: Path, |
| 189 | + wheel_dirs: dict[str, Path], |
| 190 | + ) -> WheelRepairer: |
| 191 | + """Construct the platform specific wheel repairer""" |
| 192 | + if "platlib" not in wheel_dirs: |
| 193 | + # This should only happen if the user explicitly disabled platlib |
| 194 | + logger.warning( |
| 195 | + "Wheel repairer is implemented only if `wheel.platlib` is True." |
| 196 | + ) |
| 197 | + return NoopWheelRepairer( |
| 198 | + wheel=wheel, |
| 199 | + builder=builder, |
| 200 | + install_dir=install_dir, |
| 201 | + wheel_dirs=wheel_dirs, |
| 202 | + ) |
| 203 | + |
| 204 | + if not ( |
| 205 | + repairer_cls := WheelRepairer._platform_repairers.get(platform.system()) |
| 206 | + ): |
| 207 | + return NoopWheelRepairer( |
| 208 | + wheel=wheel, |
| 209 | + builder=builder, |
| 210 | + install_dir=install_dir, |
| 211 | + wheel_dirs=wheel_dirs, |
| 212 | + ) |
| 213 | + return repairer_cls( |
| 214 | + wheel=wheel, |
| 215 | + builder=builder, |
| 216 | + install_dir=install_dir, |
| 217 | + wheel_dirs=wheel_dirs, |
| 218 | + ) |
| 219 | + |
| 220 | + |
| 221 | +class NoopWheelRepairer(WheelRepairer): |
| 222 | + """Dummy wheel repairer that just shows a warning.""" |
| 223 | + |
| 224 | + def repair_wheel(self) -> None: |
| 225 | + # Do nothing |
| 226 | + logger.warning("Unknown platform {}. Not doing any repair.", platform.system()) |
| 227 | + |
| 228 | + def patch_target(self, target: Target) -> None: |
| 229 | + pass |
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