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| """Legacy installation process, i.e. `setup.py install`. | |
| """ | |
| import logging | |
| import os | |
| from distutils.util import change_root | |
| from typing import List, Optional, Sequence | |
| from pip._internal.build_env import BuildEnvironment | |
| from pip._internal.exceptions import InstallationError, LegacyInstallFailure | |
| from pip._internal.models.scheme import Scheme | |
| from pip._internal.utils.misc import ensure_dir | |
| from pip._internal.utils.setuptools_build import make_setuptools_install_args | |
| from pip._internal.utils.subprocess import runner_with_spinner_message | |
| from pip._internal.utils.temp_dir import TempDirectory | |
| logger = logging.getLogger(__name__) | |
| def write_installed_files_from_setuptools_record( | |
| record_lines: List[str], | |
| root: Optional[str], | |
| req_description: str, | |
| ) -> None: | |
| def prepend_root(path: str) -> str: | |
| if root is None or not os.path.isabs(path): | |
| return path | |
| else: | |
| return change_root(root, path) | |
| for line in record_lines: | |
| directory = os.path.dirname(line) | |
| if directory.endswith(".egg-info"): | |
| egg_info_dir = prepend_root(directory) | |
| break | |
| else: | |
| message = ( | |
| "{} did not indicate that it installed an " | |
| ".egg-info directory. Only setup.py projects " | |
| "generating .egg-info directories are supported." | |
| ).format(req_description) | |
| raise InstallationError(message) | |
| new_lines = [] | |
| for line in record_lines: | |
| filename = line.strip() | |
| if os.path.isdir(filename): | |
| filename += os.path.sep | |
| new_lines.append(os.path.relpath(prepend_root(filename), egg_info_dir)) | |
| new_lines.sort() | |
| ensure_dir(egg_info_dir) | |
| inst_files_path = os.path.join(egg_info_dir, "installed-files.txt") | |
| with open(inst_files_path, "w") as f: | |
| f.write("\n".join(new_lines) + "\n") | |
| def install( | |
| install_options: List[str], | |
| global_options: Sequence[str], | |
| root: Optional[str], | |
| home: Optional[str], | |
| prefix: Optional[str], | |
| use_user_site: bool, | |
| pycompile: bool, | |
| scheme: Scheme, | |
| setup_py_path: str, | |
| isolated: bool, | |
| req_name: str, | |
| build_env: BuildEnvironment, | |
| unpacked_source_directory: str, | |
| req_description: str, | |
| ) -> bool: | |
| header_dir = scheme.headers | |
| with TempDirectory(kind="record") as temp_dir: | |
| try: | |
| record_filename = os.path.join(temp_dir.path, "install-record.txt") | |
| install_args = make_setuptools_install_args( | |
| setup_py_path, | |
| global_options=global_options, | |
| install_options=install_options, | |
| record_filename=record_filename, | |
| root=root, | |
| prefix=prefix, | |
| header_dir=header_dir, | |
| home=home, | |
| use_user_site=use_user_site, | |
| no_user_config=isolated, | |
| pycompile=pycompile, | |
| ) | |
| runner = runner_with_spinner_message( | |
| f"Running setup.py install for {req_name}" | |
| ) | |
| with build_env: | |
| runner( | |
| cmd=install_args, | |
| cwd=unpacked_source_directory, | |
| ) | |
| if not os.path.exists(record_filename): | |
| logger.debug("Record file %s not found", record_filename) | |
| # Signal to the caller that we didn't install the new package | |
| return False | |
| except Exception as e: | |
| # Signal to the caller that we didn't install the new package | |
| raise LegacyInstallFailure(package_details=req_name) from e | |
| # At this point, we have successfully installed the requirement. | |
| # We intentionally do not use any encoding to read the file because | |
| # setuptools writes the file using distutils.file_util.write_file, | |
| # which does not specify an encoding. | |
| with open(record_filename) as f: | |
| record_lines = f.read().splitlines() | |
| write_installed_files_from_setuptools_record(record_lines, root, req_description) | |
| return True | |