147 lines
4.3 KiB
Python
147 lines
4.3 KiB
Python
import sys
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import textwrap
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from typing import List, Optional, Sequence
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# Shim to wrap setup.py invocation with setuptools
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# Note that __file__ is handled via two {!r} *and* %r, to ensure that paths on
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# Windows are correctly handled (it should be "C:\\Users" not "C:\Users").
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_SETUPTOOLS_SHIM = textwrap.dedent(
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"""
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exec(compile('''
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# This is <pip-setuptools-caller> -- a caller that pip uses to run setup.py
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#
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# - It imports setuptools before invoking setup.py, to enable projects that directly
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# import from `distutils.core` to work with newer packaging standards.
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# - It provides a clear error message when setuptools is not installed.
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# - It sets `sys.argv[0]` to the underlying `setup.py`, when invoking `setup.py` so
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# setuptools doesn't think the script is `-c`. This avoids the following warning:
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# manifest_maker: standard file '-c' not found".
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# - It generates a shim setup.py, for handling setup.cfg-only projects.
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import os, sys, tokenize
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try:
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import setuptools
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except ImportError as error:
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print(
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"ERROR: Can not execute `setup.py` since setuptools is not available in "
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"the build environment.",
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file=sys.stderr,
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)
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sys.exit(1)
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__file__ = %r
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sys.argv[0] = __file__
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if os.path.exists(__file__):
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filename = __file__
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with tokenize.open(__file__) as f:
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setup_py_code = f.read()
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else:
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filename = "<auto-generated setuptools caller>"
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setup_py_code = "from setuptools import setup; setup()"
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exec(compile(setup_py_code, filename, "exec"))
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''' % ({!r},), "<pip-setuptools-caller>", "exec"))
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"""
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).rstrip()
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def make_setuptools_shim_args(
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setup_py_path: str,
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global_options: Optional[Sequence[str]] = None,
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no_user_config: bool = False,
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unbuffered_output: bool = False,
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) -> List[str]:
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"""
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Get setuptools command arguments with shim wrapped setup file invocation.
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:param setup_py_path: The path to setup.py to be wrapped.
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:param global_options: Additional global options.
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:param no_user_config: If True, disables personal user configuration.
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:param unbuffered_output: If True, adds the unbuffered switch to the
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argument list.
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"""
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args = [sys.executable]
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if unbuffered_output:
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args += ["-u"]
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args += ["-c", _SETUPTOOLS_SHIM.format(setup_py_path)]
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if global_options:
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args += global_options
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if no_user_config:
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args += ["--no-user-cfg"]
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return args
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def make_setuptools_bdist_wheel_args(
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setup_py_path: str,
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global_options: Sequence[str],
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build_options: Sequence[str],
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destination_dir: str,
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) -> List[str]:
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# NOTE: Eventually, we'd want to also -S to the flags here, when we're
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# isolating. Currently, it breaks Python in virtualenvs, because it
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# relies on site.py to find parts of the standard library outside the
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# virtualenv.
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args = make_setuptools_shim_args(
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setup_py_path, global_options=global_options, unbuffered_output=True
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)
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args += ["bdist_wheel", "-d", destination_dir]
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args += build_options
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return args
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def make_setuptools_clean_args(
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setup_py_path: str,
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global_options: Sequence[str],
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) -> List[str]:
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args = make_setuptools_shim_args(
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setup_py_path, global_options=global_options, unbuffered_output=True
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)
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args += ["clean", "--all"]
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return args
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def make_setuptools_develop_args(
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setup_py_path: str,
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*,
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global_options: Sequence[str],
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no_user_config: bool,
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prefix: Optional[str],
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home: Optional[str],
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use_user_site: bool,
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) -> List[str]:
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assert not (use_user_site and prefix)
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args = make_setuptools_shim_args(
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setup_py_path,
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global_options=global_options,
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no_user_config=no_user_config,
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)
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args += ["develop", "--no-deps"]
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if prefix:
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args += ["--prefix", prefix]
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if home is not None:
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args += ["--install-dir", home]
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if use_user_site:
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args += ["--user", "--prefix="]
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return args
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def make_setuptools_egg_info_args(
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setup_py_path: str,
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egg_info_dir: Optional[str],
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no_user_config: bool,
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) -> List[str]:
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args = make_setuptools_shim_args(setup_py_path, no_user_config=no_user_config)
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args += ["egg_info"]
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if egg_info_dir:
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args += ["--egg-base", egg_info_dir]
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return args
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