ULTRA [ resource.optimyar.com ]

Linux uranus.pws-dns.net 5.14.0-427.42.1.el9_4.x86_64 #1 SMP PREEMPT_DYNAMIC Fri Nov 1 14:58:02 EDT 2024 x86_64

LiteSpeed

31.214.174.197 | Your IP: 18.222.135.39

Cant read [ /etc/named.conf ]

[ drwxr-xr-x ]

/ proc / 3762070 / task / 3762101 / root / opt / cloudlinux / venv / lib / python3.11 / site-packages / jinja2 /

Home Upload Mass Deface Mass Delete Back Connect Notify

visitor.py

"""API for traversing the AST nodes. Implemented by the compiler and
meta introspection.
"""
import typing as t

from .nodes import Node

if t.TYPE_CHECKING:
    import typing_extensions as te

class VisitCallable(te.Protocol):
        def __call__(self, node: Node, *args: t.Any, **kwargs: t.Any) -> t.Any:
            ...

class NodeVisitor:
    """Walks the abstract syntax tree and call visitor functions for every
    node found.  The visitor functions may return values which will be
    forwarded by the `visit` method.

Per default the visitor functions for the nodes are ``'visit_'`` +
    class name of the node.  So a `TryFinally` node visit function would
    be `visit_TryFinally`.  This behavior can be changed by overriding
    the `get_visitor` function.  If no visitor function exists for a node
    (return value `None`) the `generic_visit` visitor is used instead.
    """

def get_visitor(self, node: Node) -> "t.Optional[VisitCallable]":
        """Return the visitor function for this node or `None` if no visitor
        exists for this node.  In that case the generic visit function is
        used instead.
        """
        return getattr(self, f"visit_{type(node).__name__}", None)  # type: ignore

def visit(self, node: Node, *args: t.Any, **kwargs: t.Any) -> t.Any:
        """Visit a node."""
        f = self.get_visitor(node)

if f is not None:
            return f(node, *args, **kwargs)

return self.generic_visit(node, *args, **kwargs)

def generic_visit(self, node: Node, *args: t.Any, **kwargs: t.Any) -> t.Any:
        """Called if no explicit visitor function exists for a node."""
        for node in node.iter_child_nodes():
            self.visit(node, *args, **kwargs)

class NodeTransformer(NodeVisitor):
    """Walks the abstract syntax tree and allows modifications of nodes.

The `NodeTransformer` will walk the AST and use the return value of the
    visitor functions to replace or remove the old node.  If the return
    value of the visitor function is `None` the node will be removed
    from the previous location otherwise it's replaced with the return
    value.  The return value may be the original node in which case no
    replacement takes place.
    """

def generic_visit(self, node: Node, *args: t.Any, **kwargs: t.Any) -> Node:
        for field, old_value in node.iter_fields():
            if isinstance(old_value, list):
                new_values = []
                for value in old_value:
                    if isinstance(value, Node):
                        value = self.visit(value, *args, **kwargs)
                        if value is None:
                            continue
                        elif not isinstance(value, Node):
                            new_values.extend(value)
                            continue
                    new_values.append(value)
                old_value[:] = new_values
            elif isinstance(old_value, Node):
                new_node = self.visit(old_value, *args, **kwargs)
                if new_node is None:
                    delattr(node, field)
                else:
                    setattr(node, field, new_node)
        return node

def visit_list(self, node: Node, *args: t.Any, **kwargs: t.Any) -> t.List[Node]:
        """As transformers may return lists in some places this method
        can be used to enforce a list as return value.
        """
        rv = self.visit(node, *args, **kwargs)

if not isinstance(rv, list):
            return [rv]

return rv

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	root/root	drwxr-xr-x	2024-12-24 06:48:49
..	dir	-	root/root	drwxr-xr-x	2025-03-31 11:30:35
__pycache__	dir	-	root/root	drwxr-xr-x	2024-12-24 06:48:49
__init__.py	text/plain	2.15 KB	root/root	-rw-r--r--	2024-12-18 10:22:21
_identifier.py	text/plain	1.73 KB	root/root	-rw-r--r--	2024-12-18 10:22:21
async_utils.py	text/x-script.python	1.9 KB	root/root	-rw-r--r--	2024-12-18 10:22:21
bccache.py	text/plain	12.37 KB	root/root	-rw-r--r--	2024-12-18 10:22:21
compiler.py	text/plain	70.52 KB	root/root	-rw-r--r--	2024-12-18 10:22:21
constants.py	text/plain	1.4 KB	root/root	-rw-r--r--	2024-12-18 10:22:21
debug.py	text/x-script.python	8.29 KB	root/root	-rw-r--r--	2024-12-18 10:22:21
defaults.py	text/x-script.python	1.24 KB	root/root	-rw-r--r--	2024-12-18 10:22:21
environment.py	text/plain	59.55 KB	root/root	-rw-r--r--	2024-12-18 10:22:21
exceptions.py	text/x-script.python	4.95 KB	root/root	-rw-r--r--	2024-12-18 10:22:21
ext.py	text/plain	31.37 KB	root/root	-rw-r--r--	2024-12-18 10:22:21
filters.py	text/plain	51.38 KB	root/root	-rw-r--r--	2024-12-18 10:22:21
idtracking.py	text/x-script.python	10.47 KB	root/root	-rw-r--r--	2024-12-18 10:22:21
lexer.py	text/plain	29.23 KB	root/root	-rw-r--r--	2024-12-18 10:22:21
loaders.py	text/plain	22.22 KB	root/root	-rw-r--r--	2024-12-18 10:22:21
meta.py	text/plain	4.29 KB	root/root	-rw-r--r--	2024-12-18 10:22:21
nativetypes.py	text/x-script.python	3.88 KB	root/root	-rw-r--r--	2024-12-18 10:22:21
nodes.py	text/plain	33.74 KB	root/root	-rw-r--r--	2024-12-18 10:22:21
optimizer.py	text/plain	1.61 KB	root/root	-rw-r--r--	2024-12-18 10:22:21
parser.py	text/plain	38.83 KB	root/root	-rw-r--r--	2024-12-18 10:22:21
py.typed	application/x-empty	0 B	root/root	-rw-r--r--	2024-12-18 10:22:21
runtime.py	text/plain	34.23 KB	root/root	-rw-r--r--	2024-12-18 10:22:21
sandbox.py	text/plain	14.26 KB	root/root	-rw-r--r--	2024-12-18 10:22:21
tests.py	text/plain	5.77 KB	root/root	-rw-r--r--	2024-12-18 10:22:21
utils.py	text/x-script.python	26.34 KB	root/root	-rw-r--r--	2024-12-18 10:22:21
visitor.py	text/plain	3.49 KB	root/root	-rw-r--r--	2024-12-18 10:22:21