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