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File Name : util.py

import sys
import shutil
import os
import stat
import re
import posixpath
import zipfile
import tarfile
import subprocess
import textwrap
import tempfile

from pip.exceptions import InstallationError, BadCommand, PipError
from pip.backwardcompat import(WindowsError, string_types, raw_input,
                                console_to_str, user_site, PermissionError)
from pip.locations import site_packages, running_under_virtualenv, virtualenv_no_global
from pip.log import logger
from pip._vendor import pkg_resources
from pip._vendor.distlib import version

__all__ = ['rmtree', 'display_path', 'backup_dir',
           'find_command', 'ask', 'Inf',
           'normalize_name', 'splitext',
           'format_size', 'is_installable_dir',
           'is_svn_page', 'file_contents',
           'split_leading_dir', 'has_leading_dir',
           'make_path_relative', 'normalize_path',
           'renames', 'get_terminal_size', 'get_prog',
           'unzip_file', 'untar_file', 'create_download_cache_folder',
           'cache_download', 'unpack_file', 'call_subprocess']

def get_prog():
    try:
        if os.path.basename(sys.argv[0]) in ('__main__.py', '-c'):
            return "%s -m pip" % sys.executable
    except (AttributeError, TypeError, IndexError):
        pass
    return 'pip'

def rmtree(dir, ignore_errors=False):
    shutil.rmtree(dir, ignore_errors=ignore_errors,
                  onerror=rmtree_errorhandler)

def rmtree_errorhandler(func, path, exc_info):
    """On Windows, the files in .svn are read-only, so when rmtree() tries to
    remove them, an exception is thrown.  We catch that here, remove the
    read-only attribute, and hopefully continue without problems."""
    exctype, value = exc_info[:2]
    if not ((exctype is WindowsError and value.args[0] == 5) or #others
            (exctype is OSError and value.args[0] == 13) or #python2.4
            (exctype is PermissionError and value.args[3] == 5) #python3.3
            ):
        raise
    # file type should currently be read only
    if ((os.stat(path).st_mode & stat.S_IREAD) != stat.S_IREAD):
        raise
    # convert to read/write
    os.chmod(path, stat.S_IWRITE)
    # use the original function to repeat the operation
    func(path)

def display_path(path):
    """Gives the display value for a given path, making it relative to cwd
    if possible."""
    path = os.path.normcase(os.path.abspath(path))
    if path.startswith(os.getcwd() + os.path.sep):
        path = '.' + path[len(os.getcwd()):]
    return path

def backup_dir(dir, ext='.bak'):
    """Figure out the name of a directory to back up the given dir to
    (adding .bak, .bak2, etc)"""
    n = 1
    extension = ext
    while os.path.exists(dir + extension):
        n += 1
        extension = ext + str(n)
    return dir + extension

def find_command(cmd, paths=None, pathext=None):
    """Searches the PATH for the given command and returns its path"""
    if paths is None:
        paths = os.environ.get('PATH', '').split(os.pathsep)
    if isinstance(paths, string_types):
        paths = [paths]
    # check if there are funny path extensions for executables, e.g. Windows
    if pathext is None:
        pathext = get_pathext()
    pathext = [ext for ext in pathext.lower().split(os.pathsep) if len(ext)]
    # don't use extensions if the command ends with one of them
    if os.path.splitext(cmd)[1].lower() in pathext:
        pathext = ['']
    # check if we find the command on PATH
    for path in paths:
        # try without extension first
        cmd_path = os.path.join(path, cmd)
        for ext in pathext:
            # then including the extension
            cmd_path_ext = cmd_path + ext
            if os.path.isfile(cmd_path_ext):
                return cmd_path_ext
        if os.path.isfile(cmd_path):
            return cmd_path
    raise BadCommand('Cannot find command %r' % cmd)

def get_pathext(default_pathext=None):
    """Returns the path extensions from environment or a default"""
    if default_pathext is None:
        default_pathext = os.pathsep.join(['.COM', '.EXE', '.BAT', '.CMD'])
    pathext = os.environ.get('PATHEXT', default_pathext)
    return pathext

def ask_path_exists(message, options):
    for action in os.environ.get('PIP_EXISTS_ACTION', '').split():
        if action in options:
            return action
    return ask(message, options)

def ask(message, options):
    """Ask the message interactively, with the given possible responses"""
    while 1:
        if os.environ.get('PIP_NO_INPUT'):
            raise Exception('No input was expected ($PIP_NO_INPUT set); question: %s' % message)
        response = raw_input(message)
        response = response.strip().lower()
        if response not in options:
            print('Your response (%r) was not one of the expected responses: %s' % (
                response, ', '.join(options)))
        else:
            return response

class _Inf(object):
    """I am bigger than everything!"""

def __eq__(self, other):
        if self is other:
            return True
        else:
            return False

def __ne__(self, other):
        return not self.__eq__(other)

def __lt__(self, other):
        return False

def __le__(self, other):
        return False

def __gt__(self, other):
        return True

def __ge__(self, other):
        return True

def __repr__(self):
        return 'Inf'

Inf = _Inf() #this object is not currently used as a sortable in our code
del _Inf

_normalize_re = re.compile(r'[^a-z]', re.I)

def normalize_name(name):
    return _normalize_re.sub('-', name.lower())

def format_size(bytes):
    if bytes > 1000*1000:
        return '%.1fMB' % (bytes/1000.0/1000)
    elif bytes > 10*1000:
        return '%ikB' % (bytes/1000)
    elif bytes > 1000:
        return '%.1fkB' % (bytes/1000.0)
    else:
        return '%ibytes' % bytes

def is_installable_dir(path):
    """Return True if `path` is a directory containing a setup.py file."""
    if not os.path.isdir(path):
        return False
    setup_py = os.path.join(path, 'setup.py')
    if os.path.isfile(setup_py):
        return True
    return False

def is_svn_page(html):
    """Returns true if the page appears to be the index page of an svn repository"""
    return (re.search(r'<title>[^<]*Revision \d+:', html)
            and re.search(r'Powered by (?:<a[^>]*?>)?Subversion', html, re.I))

def file_contents(filename):
    fp = open(filename, 'rb')
    try:
        return fp.read().decode('utf-8')
    finally:
        fp.close()

def split_leading_dir(path):
    path = str(path)
    path = path.lstrip('/').lstrip('\\')
    if '/' in path and (('\\' in path and path.find('/') < path.find('\\'))
                        or '\\' not in path):
        return path.split('/', 1)
    elif '\\' in path:
        return path.split('\\', 1)
    else:
        return path, ''

def has_leading_dir(paths):
    """Returns true if all the paths have the same leading path name
    (i.e., everything is in one subdirectory in an archive)"""
    common_prefix = None
    for path in paths:
        prefix, rest = split_leading_dir(path)
        if not prefix:
            return False
        elif common_prefix is None:
            common_prefix = prefix
        elif prefix != common_prefix:
            return False
    return True

def make_path_relative(path, rel_to):
    """
    Make a filename relative, where the filename path, and it is
    relative to rel_to

>>> make_relative_path('/usr/share/something/a-file.pth',
        ...                    '/usr/share/another-place/src/Directory')
        '../../../something/a-file.pth'
        >>> make_relative_path('/usr/share/something/a-file.pth',
        ...                    '/home/user/src/Directory')
        '../../../usr/share/something/a-file.pth'
        >>> make_relative_path('/usr/share/a-file.pth', '/usr/share/')
        'a-file.pth'
    """
    path_filename = os.path.basename(path)
    path = os.path.dirname(path)
    path = os.path.normpath(os.path.abspath(path))
    rel_to = os.path.normpath(os.path.abspath(rel_to))
    path_parts = path.strip(os.path.sep).split(os.path.sep)
    rel_to_parts = rel_to.strip(os.path.sep).split(os.path.sep)
    while path_parts and rel_to_parts and path_parts[0] == rel_to_parts[0]:
        path_parts.pop(0)
        rel_to_parts.pop(0)
    full_parts = ['..']*len(rel_to_parts) + path_parts + [path_filename]
    if full_parts == ['']:
        return '.' + os.path.sep
    return os.path.sep.join(full_parts)

def normalize_path(path):
    """
    Convert a path to its canonical, case-normalized, absolute version.

"""
    return os.path.normcase(os.path.realpath(os.path.expanduser(path)))

def splitext(path):
    """Like os.path.splitext, but take off .tar too"""
    base, ext = posixpath.splitext(path)
    if base.lower().endswith('.tar'):
        ext = base[-4:] + ext
        base = base[:-4]
    return base, ext

def renames(old, new):
    """Like os.renames(), but handles renaming across devices."""
    # Implementation borrowed from os.renames().
    head, tail = os.path.split(new)
    if head and tail and not os.path.exists(head):
        os.makedirs(head)

shutil.move(old, new)

head, tail = os.path.split(old)
    if head and tail:
        try:
            os.removedirs(head)
        except OSError:
            pass

def is_local(path):
    """
    Return True if path is within sys.prefix, if we're running in a virtualenv.

If we're not in a virtualenv, all paths are considered "local."

"""
    if not running_under_virtualenv():
        return True
    return normalize_path(path).startswith(normalize_path(sys.prefix))

def dist_is_local(dist):
    """
    Return True if given Distribution object is installed locally
    (i.e. within current virtualenv).

Always True if we're not in a virtualenv.

"""
    return is_local(dist_location(dist))

def dist_in_usersite(dist):
    """
    Return True if given Distribution is installed in user site.
    """
    if user_site:
        return normalize_path(dist_location(dist)).startswith(normalize_path(user_site))
    else:
        return False

def dist_in_site_packages(dist):
    """
    Return True if given Distribution is installed in distutils.sysconfig.get_python_lib().
    """
    return normalize_path(dist_location(dist)).startswith(normalize_path(site_packages))

def dist_is_editable(dist):
    """Is distribution an editable install?"""
    #TODO: factor out determining editableness out of FrozenRequirement
    from pip import FrozenRequirement
    req = FrozenRequirement.from_dist(dist, [])
    return req.editable

def get_installed_distributions(local_only=True,
                                skip=('setuptools', 'pip', 'python', 'distribute'),
                                include_editables=True,
                                editables_only=False):
    """
    Return a list of installed Distribution objects.

If ``local_only`` is True (default), only return installations
    local to the current virtualenv, if in a virtualenv.

``skip`` argument is an iterable of lower-case project names to
    ignore; defaults to ('setuptools', 'pip', 'python'). [FIXME also
    skip virtualenv?]

If ``editables`` is False, don't report editables.

If ``editables_only`` is True , only report editables.

"""
    if local_only:
        local_test = dist_is_local
    else:
        local_test = lambda d: True

if include_editables:
        editable_test = lambda d: True
    else:
        editable_test = lambda d: not dist_is_editable(d)

if editables_only:
        editables_only_test = lambda d: dist_is_editable(d)
    else:
        editables_only_test = lambda d: True

return [d for d in pkg_resources.working_set
            if local_test(d)
            and d.key not in skip
            and editable_test(d)
            and editables_only_test(d)
            ]

def egg_link_path(dist):
    """
    Return the path for the .egg-link file if it exists, otherwise, None.

There's 3 scenarios:
    1) not in a virtualenv
       try to find in site.USER_SITE, then site_packages
    2) in a no-global virtualenv
       try to find in site_packages
    3) in a yes-global virtualenv
       try to find in site_packages, then site.USER_SITE  (don't look in global location)

For #1 and #3, there could be odd cases, where there's an egg-link in 2 locations.
    This method will just return the first one found.
    """
    sites = []
    if running_under_virtualenv():
        if virtualenv_no_global():
            sites.append(site_packages)
        else:
            sites.append(site_packages)
            if user_site:
                sites.append(user_site)
    else:
        if user_site:
            sites.append(user_site)
        sites.append(site_packages)

for site in sites:
        egglink = os.path.join(site, dist.project_name) + '.egg-link'
        if os.path.isfile(egglink):
            return egglink

def dist_location(dist):
    """
    Get the site-packages location of this distribution. Generally
    this is dist.location, except in the case of develop-installed
    packages, where dist.location is the source code location, and we
    want to know where the egg-link file is.

"""
    egg_link = egg_link_path(dist)
    if egg_link:
        return egg_link
    return dist.location

def get_terminal_size():
    """Returns a tuple (x, y) representing the width(x) and the height(x)
    in characters of the terminal window."""
    def ioctl_GWINSZ(fd):
        try:
            import fcntl
            import termios
            import struct
            cr = struct.unpack('hh', fcntl.ioctl(fd, termios.TIOCGWINSZ,
        '1234'))
        except:
            return None
        if cr == (0, 0):
            return None
        if cr == (0, 0):
            return None
        return cr
    cr = ioctl_GWINSZ(0) or ioctl_GWINSZ(1) or ioctl_GWINSZ(2)
    if not cr:
        try:
            fd = os.open(os.ctermid(), os.O_RDONLY)
            cr = ioctl_GWINSZ(fd)
            os.close(fd)
        except:
            pass
    if not cr:
        cr = (os.environ.get('LINES', 25), os.environ.get('COLUMNS', 80))
    return int(cr[1]), int(cr[0])

def current_umask():
    """Get the current umask which involves having to set it temporarily."""
    mask = os.umask(0)
    os.umask(mask)
    return mask

def unzip_file(filename, location, flatten=True):
    """
    Unzip the file (with path `filename`) to the destination `location`.  All
    files are written based on system defaults and umask (i.e. permissions are
    not preserved), except that regular file members with any execute
    permissions (user, group, or world) have "chmod +x" applied after being
    written. Note that for windows, any execute changes using os.chmod are
    no-ops per the python docs.
    """
    if not os.path.exists(location):
        os.makedirs(location)
    zipfp = open(filename, 'rb')
    try:
        zip = zipfile.ZipFile(zipfp)
        leading = has_leading_dir(zip.namelist()) and flatten
        for info in zip.infolist():
            name = info.filename
            data = zip.read(name)
            fn = name
            if leading:
                fn = split_leading_dir(name)[1]
            fn = os.path.join(location, fn)
            dir = os.path.dirname(fn)
            if not os.path.exists(dir):
                os.makedirs(dir)
            if fn.endswith('/') or fn.endswith('\\'):
                # A directory
                if not os.path.exists(fn):
                    os.makedirs(fn)
            else:
                fp = open(fn, 'wb')
                try:
                    fp.write(data)
                finally:
                    fp.close()
                    mode = info.external_attr >> 16
                    # if mode and regular file and any execute permissions for user/group/world?
                    if mode and stat.S_ISREG(mode) and  mode & 0o111:
                        # make dest file have execute for user/group/world (chmod +x)
                        # no-op on windows per python docs
                        os.chmod(fn, (0o777-current_umask() | 0o111))
    finally:
        zipfp.close()

def untar_file(filename, location):
    """
    Untar the file (with path `filename`) to the destination `location`.
    All files are written based on system defaults and umask (i.e. permissions
    are not preserved), except that regular file members with any execute
    permissions (user, group, or world) have "chmod +x" applied after being
    written.  Note that for windows, any execute changes using os.chmod are
    no-ops per the python docs.
    """
    if not os.path.exists(location):
        os.makedirs(location)
    if filename.lower().endswith('.gz') or filename.lower().endswith('.tgz'):
        mode = 'r:gz'
    elif filename.lower().endswith('.bz2') or filename.lower().endswith('.tbz'):
        mode = 'r:bz2'
    elif filename.lower().endswith('.tar'):
        mode = 'r'
    else:
        logger.warn('Cannot determine compression type for file %s' % filename)
        mode = 'r:*'
    tar = tarfile.open(filename, mode)
    try:
        # note: python<=2.5 doesnt seem to know about pax headers, filter them
        leading = has_leading_dir([
            member.name for member in tar.getmembers()
            if member.name != 'pax_global_header'
        ])
        for member in tar.getmembers():
            fn = member.name
            if fn == 'pax_global_header':
                continue
            if leading:
                fn = split_leading_dir(fn)[1]
            path = os.path.join(location, fn)
            if member.isdir():
                if not os.path.exists(path):
                    os.makedirs(path)
            elif member.issym():
                try:
                    tar._extract_member(member, path)
                except:
                    e = sys.exc_info()[1]
                    # Some corrupt tar files seem to produce this
                    # (specifically bad symlinks)
                    logger.warn(
                        'In the tar file %s the member %s is invalid: %s'
                        % (filename, member.name, e))
                    continue
            else:
                try:
                    fp = tar.extractfile(member)
                except (KeyError, AttributeError):
                    e = sys.exc_info()[1]
                    # Some corrupt tar files seem to produce this
                    # (specifically bad symlinks)
                    logger.warn(
                        'In the tar file %s the member %s is invalid: %s'
                        % (filename, member.name, e))
                    continue
                if not os.path.exists(os.path.dirname(path)):
                    os.makedirs(os.path.dirname(path))
                destfp = open(path, 'wb')
                try:
                    shutil.copyfileobj(fp, destfp)
                finally:
                    destfp.close()
                fp.close()
                # member have any execute permissions for user/group/world?
                if member.mode & 0o111:
                    # make dest file have execute for user/group/world
                    # no-op on windows per python docs
                    os.chmod(path, (0o777-current_umask() | 0o111))
    finally:
        tar.close()

def create_download_cache_folder(folder):
    logger.indent -= 2
    logger.notify('Creating supposed download cache at %s' % folder)
    logger.indent += 2
    os.makedirs(folder)

def cache_download(target_file, temp_location, content_type):
    logger.notify('Storing download in cache at %s' % display_path(target_file))
    shutil.copyfile(temp_location, target_file)
    fp = open(target_file+'.content-type', 'w')
    fp.write(content_type)
    fp.close()

def unpack_file(filename, location, content_type, link):
    filename = os.path.realpath(filename)
    if (content_type == 'application/zip'
        or filename.endswith('.zip')
        or filename.endswith('.pybundle')
        or filename.endswith('.whl')
        or zipfile.is_zipfile(filename)):
        unzip_file(filename, location, flatten=not filename.endswith(('.pybundle', '.whl')))
    elif (content_type == 'application/x-gzip'
          or tarfile.is_tarfile(filename)
          or splitext(filename)[1].lower() in ('.tar', '.tar.gz', '.tar.bz2', '.tgz', '.tbz')):
        untar_file(filename, location)
    elif (content_type and content_type.startswith('text/html')
          and is_svn_page(file_contents(filename))):
        # We don't really care about this
        from pip.vcs.subversion import Subversion
        Subversion('svn+' + link.url).unpack(location)
    else:
        ## FIXME: handle?
        ## FIXME: magic signatures?
        logger.fatal('Cannot unpack file %s (downloaded from %s, content-type: %s); cannot detect archive format'
                     % (filename, location, content_type))
        raise InstallationError('Cannot determine archive format of %s' % location)

def call_subprocess(cmd, show_stdout=True,
                    filter_stdout=None, cwd=None,
                    raise_on_returncode=True,
                    command_level=logger.DEBUG, command_desc=None,
                    extra_environ=None):
    if command_desc is None:
        cmd_parts = []
        for part in cmd:
            if ' ' in part or '\n' in part or '"' in part or "'" in part:
                part = '"%s"' % part.replace('"', '\\"')
            cmd_parts.append(part)
        command_desc = ' '.join(cmd_parts)
    if show_stdout:
        stdout = None
    else:
        stdout = subprocess.PIPE
    logger.log(command_level, "Running command %s" % command_desc)
    env = os.environ.copy()
    if extra_environ:
        env.update(extra_environ)
    try:
        proc = subprocess.Popen(
            cmd, stderr=subprocess.STDOUT, stdin=None, stdout=stdout,
            cwd=cwd, env=env)
    except Exception:
        e = sys.exc_info()[1]
        logger.fatal(
            "Error %s while executing command %s" % (e, command_desc))
        raise
    all_output = []
    if stdout is not None:
        stdout = proc.stdout
        while 1:
            line = console_to_str(stdout.readline())
            if not line:
                break
            line = line.rstrip()
            all_output.append(line + '\n')
            if filter_stdout:
                level = filter_stdout(line)
                if isinstance(level, tuple):
                    level, line = level
                logger.log(level, line)
                if not logger.stdout_level_matches(level):
                    logger.show_progress()
            else:
                logger.info(line)
    else:
        returned_stdout, returned_stderr = proc.communicate()
        all_output = [returned_stdout or '']
    proc.wait()
    if proc.returncode:
        if raise_on_returncode:
            if all_output:
                logger.notify('Complete output from command %s:' % command_desc)
                logger.notify('\n'.join(all_output) + '\n----------------------------------------')
            raise InstallationError(
                "Command %s failed with error code %s in %s"
                % (command_desc, proc.returncode, cwd))
        else:
            logger.warn(
                "Command %s had error code %s in %s"
                % (command_desc, proc.returncode, cwd))
    if stdout is not None:
        return ''.join(all_output)

def is_prerelease(vers):
    """
    Attempt to determine if this is a pre-release using PEP386/PEP426 rules.

Will return True if it is a pre-release and False if not. Versions are
    assumed to be a pre-release if they cannot be parsed.
    """
    normalized = version._suggest_normalized_version(vers)

if normalized is None:
        # Cannot normalize, assume it is a pre-release
        return True

parsed = version._normalized_key(normalized)
    return any([any([y in set(["a", "b", "c", "rc", "dev"]) for y in x]) for x in parsed])

class BuildDirectory(object):

def __init__(self, name=None, delete=None):
        # If we were not given an explicit directory, and we were not given an
        # explicit delete option, then we'll default to deleting.
        if name is None and delete is None:
            delete = True

if name is None:
            name = tempfile.mkdtemp(prefix="pip-build-")
            # If we were not given an explicit directory, and we were not given
            # an explicit delete option, then we'll default to deleting.
            if delete is None:
                delete = True

self.name = name
        self.delete = delete

def __repr__(self):
        return "<{} {!r}>".format(self.__class__.__name__, self.name)

def __enter__(self):
        return self.name

def __exit__(self, exc, value, tb):
        self.cleanup()

def cleanup(self):
        if self.delete:
            rmtree(self.name)

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	root/linksafe	0755	2024-08-01 02:16:53
..	dir	-	root/linksafe	0755	2024-08-01 02:16:54
__pycache__	dir	-	root/linksafe	0755	2024-08-01 02:16:53
_vendor	dir	-	root/linksafe	0755	2024-08-01 02:16:53
backwardcompat	dir	-	root/linksafe	0755	2024-08-01 02:16:53
commands	dir	-	root/linksafe	0755	2024-08-01 02:16:53
vcs	dir	-	root/linksafe	0755	2024-08-01 02:16:53
__init__.py	text/x-script.python	9.21 KB	root/linksafe	0644	2023-11-13 09:20:25
__main__.py	text/plain	116 B	root/linksafe	0644	2023-11-13 09:20:25
basecommand.py	text/plain	6.42 KB	root/linksafe	0644	2023-11-13 09:20:25
baseparser.py	text/plain	7.97 KB	root/linksafe	0644	2023-11-13 09:20:25
cmdoptions.py	text/plain	9.11 KB	root/linksafe	0644	2023-11-13 09:20:25
download.py	text/x-script.python	22.05 KB	root/linksafe	0644	2023-11-13 09:20:25
exceptions.py	text/plain	1.06 KB	root/linksafe	0644	2023-11-13 09:20:25
index.py	text/plain	39.46 KB	root/linksafe	0644	2023-11-13 09:20:25
locations.py	text/plain	6.06 KB	root/linksafe	0644	2023-11-13 09:20:25
log.py	text/plain	9.23 KB	root/linksafe	0644	2023-11-13 09:20:25
pep425tags.py	text/plain	2.9 KB	root/linksafe	0644	2023-11-13 09:20:25
req.py	text/x-script.python	81.79 KB	root/linksafe	0644	2023-11-13 09:20:25
runner.py	text/plain	431 B	root/linksafe	0644	2023-11-13 09:20:25
status_codes.py	text/plain	116 B	root/linksafe	0644	2023-11-13 09:20:25
util.py	text/x-script.python	24.54 KB	root/linksafe	0644	2023-11-13 09:20:25
wheel.py	text/plain	20.31 KB	root/linksafe	0644	2023-11-13 09:20:25

Team Anon Force

https://t.me/Professor6T9x