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from __future__ import annotations import os from stat import S_IREAD, S_IRGRP, S_IROTH from subprocess import PIPE, Popen from typing import TYPE_CHECKING from virtualenv.util.path import safe_delete, set_tree from .base import PipInstall if TYPE_CHECKING: from pathlib import Path class SymlinkPipInstall(PipInstall): def _sync(self, src: Path, dst: Path) -> None: os.symlink(str(src), str(dst)) def _generate_new_files(self) -> set[Path]: # create the pyc files, as the build image will be R/O cmd = [str(self._creator.exe), "-m", "compileall", str(self._image_dir)] process = Popen(cmd, stdout=PIPE, stderr=PIPE) process.communicate() # the root pyc is shared, so we'll not symlink that - but still add the pyc files to the RECORD for close root_py_cache = self._image_dir / "__pycache__" new_files = set() if root_py_cache.exists(): new_files.update(root_py_cache.iterdir()) new_files.add(root_py_cache) safe_delete(root_py_cache) core_new_files = super()._generate_new_files() # remove files that are within the image folder deeper than one level (as these will be not linked directly) for file in core_new_files: try: rel = file.relative_to(self._image_dir) if len(rel.parts) > 1: continue except ValueError: pass new_files.add(file) return new_files def _fix_records(self, extra_record_data: set[Path]) -> None: extra_record_data.update(i for i in self._image_dir.iterdir()) extra_record_data_str = self._records_text(sorted(extra_record_data, key=str)) # ty: ignore[invalid-argument-type] (self._dist_info / "RECORD").write_text(extra_record_data_str, encoding="utf-8") # ty: ignore[unsupported-operator] def build_image(self) -> None: super().build_image() # protect the image by making it read only set_tree(self._image_dir, S_IREAD | S_IRGRP | S_IROTH) def clear(self) -> None: if self._image_dir.exists(): safe_delete(self._image_dir) super().clear() __all__ = [ "SymlinkPipInstall", ]
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