FM / distlib

/opt/imunify360/venv/lib/python3.11/site-packages/pip/_vendor/distlib/

/opt/imunify360/venv/lib/python3.11/site-packages/pip/_vendor/distlib

Name	Size	Mode	Actions
__pycache__/	-	0755	rm
compat.py	41467	0644	edit dl rm
LICENSE.txt	14531	0644	edit dl rm
resources.py	10820	0644	edit dl rm
scripts.py	18612	0644	edit dl rm
t32.exe	97792	0644	edit dl rm
t64-arm.exe	182784	0644	edit dl rm
t64.exe	108032	0644	edit dl rm
util.py	66682	0644	edit dl rm
w32.exe	91648	0644	edit dl rm
w64-arm.exe	168448	0644	edit dl rm
w64.exe	101888	0644	edit dl rm
__init__.py	625	0644	edit dl rm

Edit: /opt/imunify360/venv/lib/python3.11/site-packages/pip/_vendor/distlib/scripts.py (18612B)

# -*- coding: utf-8 -*-
#
# Copyright (C) 2013-2023 Vinay Sajip.
# Licensed to the Python Software Foundation under a contributor agreement.
# See LICENSE.txt and CONTRIBUTORS.txt.
#
from io import BytesIO
import logging
import os
import re
import struct
import sys
import time
from zipfile import ZipInfo

from .compat import sysconfig, detect_encoding, ZipFile
from .resources import finder
from .util import (FileOperator, get_export_entry, convert_path, get_executable, get_platform, in_venv)

logger = logging.getLogger(__name__)

_DEFAULT_MANIFEST = '''
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
 <assemblyIdentity version="1.0.0.0"
 processorArchitecture="X86"
 name="%s"
 type="win32"/>

<trustInfo xmlns="urn:schemas-microsoft-com:asm.v3">
 <security>
 <requestedPrivileges>
 <requestedExecutionLevel level="asInvoker" uiAccess="false"/>
 </requestedPrivileges>
 </security>
 </trustInfo>
</assembly>'''.strip()

# check if Python is called on the first line with this expression
FIRST_LINE_RE = re.compile(b'^#!.*pythonw?[0-9.]*([ \t].*)?$')
SCRIPT_TEMPLATE = r'''# -*- coding: utf-8 -*-
import re
import sys
if __name__ == '__main__':
    from %(module)s import %(import_name)s
    sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0])
    sys.exit(%(func)s())
'''

# Pre-fetch the contents of all executable wrapper stubs.
# This is to address https://github.com/pypa/pip/issues/12666.
# When updating pip, we rename the old pip in place before installing the
# new version. If we try to fetch a wrapper *after* that rename, the finder
# machinery will be confused as the package is no longer available at the
# location where it was imported from. So we load everything into memory in
# advance.

if os.name == 'nt' or (os.name == 'java' and os._name == 'nt'):
    # Issue 31: don't hardcode an absolute package name, but
    # determine it relative to the current package
    DISTLIB_PACKAGE = __name__.rsplit('.', 1)[0]

WRAPPERS = {
        r.name: r.bytes
        for r in finder(DISTLIB_PACKAGE).iterator("")
        if r.name.endswith(".exe")
    }

def enquote_executable(executable):
    if ' ' in executable:
        # make sure we quote only the executable in case of env
        # for example /usr/bin/env "/dir with spaces/bin/jython"
        # instead of "/usr/bin/env /dir with spaces/bin/jython"
        # otherwise whole
        if executable.startswith('/usr/bin/env '):
            env, _executable = executable.split(' ', 1)
            if ' ' in _executable and not _executable.startswith('"'):
                executable = '%s "%s"' % (env, _executable)
        else:
            if not executable.startswith('"'):
                executable = '"%s"' % executable
    return executable

# Keep the old name around (for now), as there is at least one project using it!
_enquote_executable = enquote_executable

class ScriptMaker(object):
    """
    A class to copy or create scripts from source scripts or callable
    specifications.
    """
    script_template = SCRIPT_TEMPLATE

executable = None  # for shebangs

def __init__(self, source_dir, target_dir, add_launchers=True, dry_run=False, fileop=None):
        self.source_dir = source_dir
        self.target_dir = target_dir
        self.add_launchers = add_launchers
        self.force = False
        self.clobber = False
        # It only makes sense to set mode bits on POSIX.
        self.set_mode = (os.name == 'posix') or (os.name == 'java' and os._name == 'posix')
        self.variants = set(('', 'X.Y'))
        self._fileop = fileop or FileOperator(dry_run)

self._is_nt = os.name == 'nt' or (os.name == 'java' and os._name == 'nt')
        self.version_info = sys.version_info

def _get_alternate_executable(self, executable, options):
        if options.get('gui', False) and self._is_nt:  # pragma: no cover
            dn, fn = os.path.split(executable)
            fn = fn.replace('python', 'pythonw')
            executable = os.path.join(dn, fn)
        return executable

if sys.platform.startswith('java'):  # pragma: no cover

def _is_shell(self, executable):
            """
            Determine if the specified executable is a script
            (contains a #! line)
            """
            try:
                with open(executable) as fp:
                    return fp.read(2) == '#!'
            except (OSError, IOError):
                logger.warning('Failed to open %s', executable)
                return False

def _fix_jython_executable(self, executable):
            if self._is_shell(executable):
                # Workaround for Jython is not needed on Linux systems.
                import java

if java.lang.System.getProperty('os.name') == 'Linux':
                    return executable
            elif executable.lower().endswith('jython.exe'):
                # Use wrapper exe for Jython on Windows
                return executable
            return '/usr/bin/env %s' % executable

def _build_shebang(self, executable, post_interp):
        """
        Build a shebang line. In the simple case (on Windows, or a shebang line
        which is not too long or contains spaces) use a simple formulation for
        the shebang. Otherwise, use /bin/sh as the executable, with a contrived
        shebang which allows the script to run either under Python or sh, using
        suitable quoting. Thanks to Harald Nordgren for his input.

See also: http://www.in-ulm.de/~mascheck/various/shebang/#length
                  https://hg.mozilla.org/mozilla-central/file/tip/mach
        """
        if os.name != 'posix':
            simple_shebang = True
        elif getattr(sys, "cross_compiling", False):
            # In a cross-compiling environment, the shebang will likely be a
            # script; this *must* be invoked with the "safe" version of the
            # shebang, or else using os.exec() to run the entry script will
            # fail, raising "OSError 8 [Errno 8] Exec format error".
            simple_shebang = False
        else:
            # Add 3 for '#!' prefix and newline suffix.
            shebang_length = len(executable) + len(post_interp) + 3
            if sys.platform == 'darwin':
                max_shebang_length = 512
            else:
                max_shebang_length = 127
            simple_shebang = ((b' ' not in executable) and (shebang_length <= max_shebang_length))

if simple_shebang:
            result = b'#!' + executable + post_interp + b'\n'
        else:
            result = b'#!/bin/sh\n'
            result += b"'''exec' " + executable + post_interp + b' "$0" "$@"\n'
            result += b"' '''\n"
        return result

def _get_shebang(self, encoding, post_interp=b'', options=None):
        enquote = True
        if self.executable:
            executable = self.executable
            enquote = False  # assume this will be taken care of
        elif not sysconfig.is_python_build():
            executable = get_executable()
        elif in_venv():  # pragma: no cover
            executable = os.path.join(sysconfig.get_path('scripts'), 'python%s' % sysconfig.get_config_var('EXE'))
        else:  # pragma: no cover
            if os.name == 'nt':
                # for Python builds from source on Windows, no Python executables with
                # a version suffix are created, so we use python.exe
                executable = os.path.join(sysconfig.get_config_var('BINDIR'),
                                          'python%s' % (sysconfig.get_config_var('EXE')))
            else:
                executable = os.path.join(
                    sysconfig.get_config_var('BINDIR'),
                    'python%s%s' % (sysconfig.get_config_var('VERSION'), sysconfig.get_config_var('EXE')))
        if options:
            executable = self._get_alternate_executable(executable, options)

if sys.platform.startswith('java'):  # pragma: no cover
            executable = self._fix_jython_executable(executable)

# Normalise case for Windows - COMMENTED OUT
        # executable = os.path.normcase(executable)
        # N.B. The normalising operation above has been commented out: See
        # issue #124. Although paths in Windows are generally case-insensitive,
        # they aren't always. For example, a path containing a ẞ (which is a
        # LATIN CAPITAL LETTER SHARP S - U+1E9E) is normcased to ß (which is a
        # LATIN SMALL LETTER SHARP S' - U+00DF). The two are not considered by
        # Windows as equivalent in path names.

# If the user didn't specify an executable, it may be necessary to
        # cater for executable paths with spaces (not uncommon on Windows)
        if enquote:
            executable = enquote_executable(executable)
        # Issue #51: don't use fsencode, since we later try to
        # check that the shebang is decodable using utf-8.
        executable = executable.encode('utf-8')
        # in case of IronPython, play safe and enable frames support
        if (sys.platform == 'cli' and '-X:Frames' not in post_interp and
                '-X:FullFrames' not in post_interp):  # pragma: no cover
            post_interp += b' -X:Frames'
        shebang = self._build_shebang(executable, post_interp)
        # 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 decodable from
        # UTF-8.
        try:
            shebang.decode('utf-8')
        except UnicodeDecodeError:  # pragma: no cover
            raise ValueError('The shebang (%r) is not decodable from utf-8' % shebang)
        # If the script is encoded to a custom encoding (use a
        # #coding:xxx cookie), the shebang has to be decodable from
        # the script encoding too.
        if encoding != 'utf-8':
            try:
                shebang.decode(encoding)
            except UnicodeDecodeError:  # pragma: no cover
                raise ValueError('The shebang (%r) is not decodable '
                                 'from the script encoding (%r)' % (shebang, encoding))
        return shebang

def _get_script_text(self, entry):
        return self.script_template % dict(
            module=entry.prefix, import_name=entry.suffix.split('.')[0], func=entry.suffix)

manifest = _DEFAULT_MANIFEST

def get_manifest(self, exename):
        base = os.path.basename(exename)
        return self.manifest % base

def _write_script(self, names, shebang, script_bytes, filenames, ext):
        use_launcher = self.add_launchers and self._is_nt
        if not use_launcher:
            script_bytes = shebang + script_bytes
        else:  # pragma: no cover
            if ext == 'py':
                launcher = self._get_launcher('t')
            else:
                launcher = self._get_launcher('w')
            stream = BytesIO()
            with ZipFile(stream, 'w') as zf:
                source_date_epoch = os.environ.get('SOURCE_DATE_EPOCH')
                if source_date_epoch:
                    date_time = time.gmtime(int(source_date_epoch))[:6]
                    zinfo = ZipInfo(filename='__main__.py', date_time=date_time)
                    zf.writestr(zinfo, script_bytes)
                else:
                    zf.writestr('__main__.py', script_bytes)
            zip_data = stream.getvalue()
            script_bytes = launcher + shebang + zip_data
        for name in names:
            outname = os.path.join(self.target_dir, name)
            if use_launcher:  # pragma: no cover
                n, e = os.path.splitext(outname)
                if e.startswith('.py'):
                    outname = n
                outname = '%s.exe' % outname
                try:
                    self._fileop.write_binary_file(outname, script_bytes)
                except Exception:
                    # Failed writing an executable - it might be in use.
                    logger.warning('Failed to write executable - trying to '
                                   'use .deleteme logic')
                    dfname = '%s.deleteme' % outname
                    if os.path.exists(dfname):
                        os.remove(dfname)  # Not allowed to fail here
                    os.rename(outname, dfname)  # nor here
                    self._fileop.write_binary_file(outname, script_bytes)
                    logger.debug('Able to replace executable using '
                                 '.deleteme logic')
                    try:
                        os.remove(dfname)
                    except Exception:
                        pass  # still in use - ignore error
            else:
                if self._is_nt and not outname.endswith('.' + ext):  # pragma: no cover
                    outname = '%s.%s' % (outname, ext)
                if os.path.exists(outname) and not self.clobber:
                    logger.warning('Skipping existing file %s', outname)
                    continue
                self._fileop.write_binary_file(outname, script_bytes)
                if self.set_mode:
                    self._fileop.set_executable_mode([outname])
            filenames.append(outname)

variant_separator = '-'

def get_script_filenames(self, name):
        result = set()
        if '' in self.variants:
            result.add(name)
        if 'X' in self.variants:
            result.add('%s%s' % (name, self.version_info[0]))
        if 'X.Y' in self.variants:
            result.add('%s%s%s.%s' % (name, self.variant_separator, self.version_info[0], self.version_info[1]))
        return result

def _make_script(self, entry, filenames, options=None):
        post_interp = b''
        if options:
            args = options.get('interpreter_args', [])
            if args:
                args = ' %s' % ' '.join(args)
                post_interp = args.encode('utf-8')
        shebang = self._get_shebang('utf-8', post_interp, options=options)
        script = self._get_script_text(entry).encode('utf-8')
        scriptnames = self.get_script_filenames(entry.name)
        if options and options.get('gui', False):
            ext = 'pyw'
        else:
            ext = 'py'
        self._write_script(scriptnames, shebang, script, filenames, ext)

def _copy_script(self, script, filenames):
        adjust = False
        script = os.path.join(self.source_dir, convert_path(script))
        outname = os.path.join(self.target_dir, os.path.basename(script))
        if not self.force and not self._fileop.newer(script, outname):
            logger.debug('not copying %s (up-to-date)', script)
            return

# Always open the file, but ignore failures in dry-run mode --
        # that way, we'll get accurate feedback if we can read the
        # script.
        try:
            f = open(script, 'rb')
        except IOError:  # pragma: no cover
            if not self.dry_run:
                raise
            f = None
        else:
            first_line = f.readline()
            if not first_line:  # pragma: no cover
                logger.warning('%s is an empty file (skipping)', script)
                return

match = FIRST_LINE_RE.match(first_line.replace(b'\r\n', b'\n'))
            if match:
                adjust = True
                post_interp = match.group(1) or b''

if not adjust:
            if f:
                f.close()
            self._fileop.copy_file(script, outname)
            if self.set_mode:
                self._fileop.set_executable_mode([outname])
            filenames.append(outname)
        else:
            logger.info('copying and adjusting %s -> %s', script, self.target_dir)
            if not self._fileop.dry_run:
                encoding, lines = detect_encoding(f.readline)
                f.seek(0)
                shebang = self._get_shebang(encoding, post_interp)
                if b'pythonw' in first_line:  # pragma: no cover
                    ext = 'pyw'
                else:
                    ext = 'py'
                n = os.path.basename(outname)
                self._write_script([n], shebang, f.read(), filenames, ext)
            if f:
                f.close()

@property
    def dry_run(self):
        return self._fileop.dry_run

@dry_run.setter
    def dry_run(self, value):
        self._fileop.dry_run = value

if os.name == 'nt' or (os.name == 'java' and os._name == 'nt'):  # pragma: no cover
        # Executable launcher support.
        # Launchers are from https://bitbucket.org/vinay.sajip/simple_launcher/

def _get_launcher(self, kind):
            if struct.calcsize('P') == 8:  # 64-bit
                bits = '64'
            else:
                bits = '32'
            platform_suffix = '-arm' if get_platform() == 'win-arm64' else ''
            name = '%s%s%s.exe' % (kind, bits, platform_suffix)
            if name not in WRAPPERS:
                msg = ('Unable to find resource %s in package %s' %
                       (name, DISTLIB_PACKAGE))
                raise ValueError(msg)
            return WRAPPERS[name]

# Public API follows

def make(self, specification, options=None):
        """
        Make a script.

:param specification: The specification, which is either a valid export
                              entry specification (to make a script from a
                              callable) or a filename (to make a script by
                              copying from a source location).
        :param options: A dictionary of options controlling script generation.
        :return: A list of all absolute pathnames written to.
        """
        filenames = []
        entry = get_export_entry(specification)
        if entry is None:
            self._copy_script(specification, filenames)
        else:
            self._make_script(entry, filenames, options=options)
        return filenames

def make_multiple(self, specifications, options=None):
        """
        Take a list of specifications and make scripts from them,
        :param specifications: A list of specifications.
        :return: A list of all absolute pathnames written to,
        """
        filenames = []
        for specification in specifications:
            filenames.extend(self.make(specification, options))
        return filenames

cmd: