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✏️ /opt/alt/python311/lib/python3.11/site-packages/setuptools/_distutils/command/build_scripts.py

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"""distutils.command.build_scripts

Implements the Distutils 'build_scripts' command."""

import os
import re
from stat import ST_MODE
from distutils import sysconfig
from ..core import Command
from ..dep_util import newer
from ..util import convert_path
from distutils._log import log
import tokenize

shebang_pattern = re.compile('^#!.*python[0-9.]*([ \t].*)?$')
"""
Pattern matching a Python interpreter indicated in first line of a script.
"""

# for Setuptools compatibility
first_line_re = shebang_pattern

class build_scripts(Command):

description = "\"build\" scripts (copy and fixup #! line)"

user_options = [
        ('build-dir=', 'd', "directory to \"build\" (copy) to"),
        ('force', 'f', "forcibly build everything (ignore file timestamps"),
        ('executable=', 'e', "specify final destination interpreter path"),
    ]

boolean_options = ['force']

def initialize_options(self):
        self.build_dir = None
        self.scripts = None
        self.force = None
        self.executable = None

def finalize_options(self):
        self.set_undefined_options(
            'build',
            ('build_scripts', 'build_dir'),
            ('force', 'force'),
            ('executable', 'executable'),
        )
        self.scripts = self.distribution.scripts

def get_source_files(self):
        return self.scripts

def run(self):
        if not self.scripts:
            return
        self.copy_scripts()

def copy_scripts(self):
        """
        Copy each script listed in ``self.scripts``.

If a script is marked as a Python script (first line matches
        'shebang_pattern', i.e. starts with ``#!`` and contains
        "python"), then adjust in the copy the first line to refer to
        the current Python interpreter.
        """
        self.mkpath(self.build_dir)
        outfiles = []
        updated_files = []
        for script in self.scripts:
            self._copy_script(script, outfiles, updated_files)

self._change_modes(outfiles)

return outfiles, updated_files

def _copy_script(self, script, outfiles, updated_files):  # noqa: C901
        shebang_match = None
        script = convert_path(script)
        outfile = os.path.join(self.build_dir, os.path.basename(script))
        outfiles.append(outfile)

if not self.force and not newer(script, outfile):
            log.debug("not copying %s (up-to-date)", script)
            return

# Always open the file, but ignore failures in dry-run mode
        # in order to attempt to copy directly.
        try:
            f = tokenize.open(script)
        except OSError:
            if not self.dry_run:
                raise
            f = None
        else:
            first_line = f.readline()
            if not first_line:
                self.warn("%s is an empty file (skipping)" % script)
                return

shebang_match = shebang_pattern.match(first_line)

updated_files.append(outfile)
        if shebang_match:
            log.info("copying and adjusting %s -> %s", script, self.build_dir)
            if not self.dry_run:
                if not sysconfig.python_build:
                    executable = self.executable
                else:
                    executable = os.path.join(
                        sysconfig.get_config_var("BINDIR"),
                        "python%s%s"
                        % (
                            sysconfig.get_config_var("VERSION"),
                            sysconfig.get_config_var("EXE"),
                        ),
                    )
                post_interp = shebang_match.group(1) or ''
                shebang = "#!" + executable + post_interp + "\n"
                self._validate_shebang(shebang, f.encoding)
                with open(outfile, "w", encoding=f.encoding) as outf:
                    outf.write(shebang)
                    outf.writelines(f.readlines())
            if f:
                f.close()
        else:
            if f:
                f.close()
            self.copy_file(script, outfile)

def _change_modes(self, outfiles):
        if os.name != 'posix':
            return

for file in outfiles:
            self._change_mode(file)

def _change_mode(self, file):
        if self.dry_run:
            log.info("changing mode of %s", file)
            return

oldmode = os.stat(file)[ST_MODE] & 0o7777
        newmode = (oldmode | 0o555) & 0o7777
        if newmode != oldmode:
            log.info("changing mode of %s from %o to %o", file, oldmode, newmode)
            os.chmod(file, newmode)

@staticmethod
    def _validate_shebang(shebang, encoding):
        # Python parser starts to read a script using UTF-8 until
        # it gets a #coding:xxx cookie. The shebang has to be the
        # first line of a file, the #coding:xxx cookie cannot be
        # written before. So the shebang has to be encodable to
        # UTF-8.
        try:
            shebang.encode('utf-8')
        except UnicodeEncodeError:
            raise ValueError(
                "The shebang ({!r}) is not encodable " "to utf-8".format(shebang)
            )

# If the script is encoded to a custom encoding (use a
        # #coding:xxx cookie), the shebang has to be encodable to
        # the script encoding too.
        try:
            shebang.encode(encoding)
        except UnicodeEncodeError:
            raise ValueError(
                "The shebang ({!r}) is not encodable "
                "to the script encoding ({})".format(shebang, encoding)
            )

Batal

⬅ _distutils 24 item

Nama	Tipe	Ukuran	Diubah	Perm	Aksi
📁 __pycache__	dir	—	16/09/24 06:40	0755	📂
🐍 __init__.py	py	430 B	14/11/23 05:05	0644	✏️ ⬇
🐍 _framework_compat.py	py	1.6 KB	14/11/23 05:05	0644	✏️ ⬇
🐍 bdist.py	py	5.3 KB	14/11/23 05:05	0644	✏️ ⬇
🐍 bdist_dumb.py	py	4.6 KB	14/11/23 05:05	0644	✏️ ⬇
🐍 bdist_rpm.py	py	21.5 KB	14/11/23 05:05	0644	✏️ ⬇
🐍 build.py	py	5.5 KB	14/11/23 05:05	0644	✏️ ⬇
🐍 build_clib.py	py	7.5 KB	14/11/23 05:05	0644	✏️ ⬇
🐍 build_ext.py	py	30.8 KB	14/11/23 05:05	0644	✏️ ⬇
🐍 build_py.py	py	16.2 KB	14/11/23 05:05	0644	✏️ ⬇
🐍 build_scripts.py	py	5.5 KB	14/11/23 05:05	0644	✏️ ⬇
🐍 check.py	py	4.8 KB	14/11/23 05:05	0644	✏️ ⬇
🐍 clean.py	py	2.5 KB	14/11/23 05:05	0644	✏️ ⬇
🐍 config.py	py	12.8 KB	14/11/23 05:05	0644	✏️ ⬇
🐍 install.py	py	29.5 KB	14/11/23 05:05	0644	✏️ ⬇
🐍 install_data.py	py	2.7 KB	14/11/23 05:05	0644	✏️ ⬇
🐍 install_egg_info.py	py	2.7 KB	14/11/23 05:05	0644	✏️ ⬇
🐍 install_headers.py	py	1.2 KB	14/11/23 05:05	0644	✏️ ⬇
🐍 install_lib.py	py	8.2 KB	14/11/23 05:05	0644	✏️ ⬇
🐍 install_scripts.py	py	1.9 KB	14/11/23 05:05	0644	✏️ ⬇
🐍 py37compat.py	py	672 B	14/11/23 05:05	0644	✏️ ⬇
🐍 register.py	py	11.5 KB	14/11/23 05:05	0644	✏️ ⬇
🐍 sdist.py	py	18.7 KB	14/11/23 05:05	0644	✏️ ⬇
🐍 upload.py	py	7.3 KB	14/11/23 05:05	0644	✏️ ⬇

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