Python shutil.which方法代码示例

# 需要导入模块: import shutil [as 别名]
# 或者: from shutil import which [as 别名]
def ensure_session_manager_plugin():
    session_manager_dir = os.path.join(config.user_config_dir, "bin")
    PATH = os.environ.get("PATH", "") + ":" + session_manager_dir
    if shutil.which("session-manager-plugin", path=PATH):
        subprocess.check_call(["session-manager-plugin"], env=dict(os.environ, PATH=PATH))
    else:
        os.makedirs(session_manager_dir, exist_ok=True)
        target_path = os.path.join(session_manager_dir, "session-manager-plugin")
        if platform.system() == "Darwin":
            download_session_manager_plugin_macos(target_path=target_path)
        elif platform.linux_distribution()[0] == "Ubuntu":
            download_session_manager_plugin_linux(target_path=target_path)
        else:
            download_session_manager_plugin_linux(target_path=target_path, pkg_format="rpm")
        os.chmod(target_path, stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR)
        subprocess.check_call(["session-manager-plugin"], env=dict(os.environ, PATH=PATH))
    return shutil.which("session-manager-plugin", path=PATH) 

# 需要导入模块: import shutil [as 别名]
# 或者: from shutil import which [as 别名]
def find_media_viewer():
    global VWR
    VWR_LIST = [
        "feh",
        "gio",
        "sxiv",
        "gnome-open",
        "gvfs-open",
        "xdg-open",
        "kde-open",
        "firefox"
    ]
    if sys.platform == "win32":
        VWR = ["start"]
    elif sys.platform == "darwin":
        VWR = ["open"]
    else:
        for i in VWR_LIST:
            if shutil.which(i) is not None:
                VWR = [i]
                break

    if VWR[0] in {"gio"}:
        VWR.append("open") 

# 需要导入模块: import shutil [as 别名]
# 或者: from shutil import which [as 别名]
def get_binary_path(executable, logging_level='INFO'):
    """Gets the software name and returns the path of the binary."""
    if sys.platform == 'win32':
        if executable == 'start':
            return executable
        executable = executable + '.exe'
        if executable in os.listdir('.'):
            binary = os.path.join(os.getcwd(), executable)
        else:
            binary = next((os.path.join(path, executable)
                           for path in os.environ['PATH'].split(os.pathsep)
                           if os.path.isfile(os.path.join(path, executable))), None)
    else:
        venv_parent = get_venv_parent_path()
        venv_bin_path = os.path.join(venv_parent, '.venv', 'bin')
        if not venv_bin_path in os.environ.get('PATH'):
            if logging_level == 'DEBUG':
                print(f'Adding path {venv_bin_path} to environment PATH variable')
            os.environ['PATH'] = os.pathsep.join([os.environ['PATH'], venv_bin_path])
        binary = shutil.which(executable)
    return binary if binary else None 

# 需要导入模块: import shutil [as 别名]
# 或者: from shutil import which [as 别名]
def check_juniper_rift_in_path():
    if shutil.which("rift-environ") is None:
        fatal_error("Cannot find Juniper RIFT (rift-environ) in PATH")

    # run it and check version
    output = subprocess.check_output(["rift-environ",
                                      "--version"], universal_newlines=True)
    # print (output)
    regex = re.compile(r"^.hrift encoding schema: *(\d+)\.(\d+).*",
                       re.IGNORECASE  | re.MULTILINE)
    major = re.search(regex, output)

    if not major or not major.group(1):
        fatal_error("Cannot detect major version of Juniper RIFT")

    minor = major.group(2)
    major = major.group(1)

    expected_minor = protocol_minor_version
    expected_major = protocol_major_version

    if int(major) != expected_major or int(minor) != expected_minor:
        fatal_error("Wrong Major/Minor version of Juniper RIFT: (expected {}.{}, got {}.{})"
                    .format(expected_major, expected_minor, major, minor)) 

# 需要导入模块: import shutil [as 别名]
# 或者: from shutil import which [as 别名]
def fail_if_publish_binary_not_installed(binary, publish_target, install_link):
    """Exit (with error message) if ``binary` isn't installed"""
    if not shutil.which(binary):
        click.secho(
            "Publishing to {publish_target} requires {binary} to be installed and configured".format(
                publish_target=publish_target, binary=binary
            ),
            bg="red",
            fg="white",
            bold=True,
            err=True,
        )
        click.echo(
            "Follow the instructions at {install_link}".format(
                install_link=install_link
            ),
            err=True,
        )
        sys.exit(1) 

# 需要导入模块: import shutil [as 别名]
# 或者: from shutil import which [as 别名]
def reraise_with_stack(func):
    """Make functions include the whole stack in raised exceptions

    Notes:
        This is a decorator function.

    When using the concurrent.futures module, the original traceback message
    gets lost, which makes it difficult to debug. This decorator solves the
    problem.

    References:
        Taken from https://stackoverflow.com/a/29357032.
    """

    @functools.wraps(func)
    def wrapped(*args, **kwargs):
        try:
            return func(*args, **kwargs)
        except Exception as e:
            traceback_str = traceback.format_exc()
            raise Exception(
                "Error occurred. Original traceback is\n%s\n" % traceback_str
            )

    return wrapped 

# 需要导入模块: import shutil [as 别名]
# 或者: from shutil import which [as 别名]
def __init__(self):
        self.logger = logging.getLogger(
            "{0}.{1}".format(__name__, self.__class__.__name__)
        )

        if "APKTOOL_PATH" in os.environ:
            self.apktool_path: str = os.environ["APKTOOL_PATH"]
        else:
            self.apktool_path: str = "apktool"

        full_apktool_path = shutil.which(self.apktool_path)

        # Make sure to use the full path of the executable (needed for cross-platform
        # compatibility).
        if full_apktool_path is None:
            raise RuntimeError(
                'Something is wrong with executable "{0}"'.format(self.apktool_path)
            )
        else:
            self.apktool_path = full_apktool_path 

# 需要导入模块: import shutil [as 别名]
# 或者: from shutil import which [as 别名]
def _apply_callback(args, parser_error):
    logger = get_logger()
    patch_bin_path = None
    if args.patch_bin is not None:
        patch_bin_path = Path(args.patch_bin)
        if not patch_bin_path.exists():
            patch_bin_path = shutil.which(args.patch_bin)
            if patch_bin_path:
                patch_bin_path = Path(patch_bin_path)
            else:
                parser_error(
                    f'--patch-bin "{args.patch_bin}" is not a command or path to executable.')
    for patch_dir in args.patches:
        logger.info('Applying patches from %s', patch_dir)
        apply_patches(
            generate_patches_from_series(patch_dir, resolve=True),
            args.target,
            patch_bin_path=patch_bin_path) 

# 需要导入模块: import shutil [as 别名]
# 或者: from shutil import which [as 别名]
def setbgcolor(line, color):
    # hack hack hack
    # add a bgcolor attribute to all escape sequences found
    import re
    setbg = '\x1b[%sm' % color
    regexbg = '\\1;%sm' % color
    result = setbg + re.sub('(\x1b\\[.*?)m', regexbg, line) + '\x1b[00m'
    if os.environ.get('TERM') == 'eterm-color':
        # it seems that emacs' terminal has problems with some ANSI escape
        # sequences. Eg, 'ESC[44m' sets the background color in all terminals
        # I tried, but not in emacs. To set the background color, it needs to
        # have also an explicit foreground color, e.g. 'ESC[37;44m'. These
        # three lines are a hack, they try to add a foreground color to all
        # escape sequences which are not recognized by emacs. However, we need
        # to pick one specific fg color: I choose white (==37), but you might
        # want to change it.  These lines seems to work fine with the ANSI
        # codes produced by pygments, but they are surely not a general
        # solution.
        result = result.replace(setbg, '\x1b[37;%dm' % color)
        result = result.replace('\x1b[00;%dm' % color, '\x1b[37;%dm' % color)
        result = result.replace('\x1b[39;49;00;', '\x1b[37;')
    return result 

# 需要导入模块: import shutil [as 别名]
# 或者: from shutil import which [as 别名]
def _disable_pytest_capture_maybe(self):
        try:
            import py.test
            # Force raising of ImportError if pytest is not installed.
            py.test.config
        except (ImportError, AttributeError):
            return
        try:
            capman = py.test.config.pluginmanager.getplugin('capturemanager')
            capman.suspendcapture()
        except KeyError:
            pass
        except AttributeError:
            # Newer pytest with support ready, or very old py.test for which
            # this hack does not work.
            pass 

# 需要导入模块: import shutil [as 别名]
# 或者: from shutil import which [as 别名]
def _install_linecache_wrapper(self):
        """Disable linecache.checkcache to not invalidate caches.

        This gets installed permanently to also bypass e.g. pytest using
        `inspect.getsource`, which would invalidate it outside of the
        interaction them.
        """
        if not hasattr(self, "_orig_linecache_checkcache"):
            import linecache

            # Save it, although not used really (can be useful for debugging).
            self._orig_linecache_checkcache = linecache.checkcache

            def _linecache_checkcache(*args, **kwargs):
                return

            linecache.checkcache = _linecache_checkcache 

# 需要导入模块: import shutil [as 别名]
# 或者: from shutil import which [as 别名]
def do_track(self, arg):
        """
        track expression

        Display a graph showing which objects are referred by the
        value of the expression.  This command requires pypy to be in
        the current PYTHONPATH.
        """
        try:
            from rpython.translator.tool.reftracker import track
        except ImportError:
            print('** cannot import pypy.translator.tool.reftracker **',
                  file=self.stdout)
            return
        try:
            val = self._getval(arg)
        except:
            pass
        else:
            track(val) 

# 需要导入模块: import shutil [as 别名]
# 或者: from shutil import which [as 别名]
def _get_editor_cmd(self, filename, lineno):
        editor = self.config.editor
        if editor is None:
            try:
                editor = os.environ["EDITOR"]
            except KeyError:
                try:
                    from shutil import which
                except ImportError:
                    from distutils.spawn import find_executable as which
                editor = which("vim")
                if editor is None:
                    editor = which("vi")
            if not editor:
                raise RuntimeError("Could not detect editor. Configure it or set $EDITOR.")  # noqa: E501
        return self._format_editcmd(editor, filename, lineno) 

# 需要导入模块: import shutil [as 别名]
# 或者: from shutil import which [as 别名]
def set_trace(self, frame=None):
        """Remember starting frame.

        This is used with pytest, which does not use pdb.set_trace().
        """
        if getattr(local, "_pdbpp_completing", False):
            # Handle set_trace being called during completion, e.g. with
            # fancycompleter's attr_matches.
            return
        if self.disabled:
            return

        if frame is None:
            frame = sys._getframe().f_back
        self._via_set_trace_frame = frame
        self._stopped_for_set_trace = False

        self.start_filename = frame.f_code.co_filename
        self.start_lineno = frame.f_lineno

        return super(Pdb, self).set_trace(frame) 

# 需要导入模块: import shutil [as 别名]
# 或者: from shutil import which [as 别名]
def _get_soname(f):
            # assuming GNU binutils / ELF
            if not f:
                return None
            objdump = shutil.which('objdump')
            if not objdump:
                # objdump is not available, give up
                return None

            try:
                proc = subprocess.Popen((objdump, '-p', '-j', '.dynamic', f),
                                        stdout=subprocess.PIPE,
                                        stderr=subprocess.DEVNULL)
            except OSError:  # E.g. bad executable
                return None
            with proc:
                dump = proc.stdout.read()
            res = re.search(br'\sSONAME\s+([^\s]+)', dump)
            if not res:
                return None
            return os.fsdecode(res.group(1))