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📁 ..
📄 __init__.py(4.98 KB)
📄 __pkginfo__.py(274 B)
📁 __pycache__
📄 _ast.py(4.05 KB)
📄 _backport_stdlib_names.py(6.85 KB)
📄 _cache.py(786 B)
📄 arguments.py(12.65 KB)
📄 astroid_manager.py(572 B)
📄 bases.py(24.99 KB)
📁 brain
📄 builder.py(18.35 KB)
📄 const.py(1.07 KB)
📄 constraint.py(4.92 KB)
📄 context.py(5.85 KB)
📄 decorators.py(9.85 KB)
📄 exceptions.py(12.78 KB)
📄 filter_statements.py(9.42 KB)
📄 helpers.py(11.07 KB)
📄 inference.py(44.06 KB)
📄 inference_tip.py(2.82 KB)
📁 interpreter
📄 manager.py(17.54 KB)
📄 mixins.py(1.15 KB)
📄 modutils.py(22.96 KB)
📄 node_classes.py(1.8 KB)
📁 nodes
📄 objects.py(12.46 KB)
📄 protocols.py(32.2 KB)
📄 raw_building.py(22.34 KB)
📄 rebuilder.py(77.86 KB)
📄 scoped_nodes.py(958 B)
📄 test_utils.py(2.38 KB)
📄 transforms.py(3.19 KB)
📄 typing.py(1.94 KB)
📄 util.py(4.62 KB)

Editing: util.py

# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html
# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE
# Copyright (c) https://github.com/PyCQA/astroid/blob/main/CONTRIBUTORS.txt

from __future__ import annotations

import importlib
import sys
import warnings
from typing import Any

import lazy_object_proxy

if sys.version_info >= (3, 8):
    from typing import Final, Literal
else:
    from typing_extensions import Final, Literal

def lazy_descriptor(obj):
    class DescriptorProxy(lazy_object_proxy.Proxy):
        def __get__(self, instance, owner=None):
            return self.__class__.__get__(self, instance)

return DescriptorProxy(obj)

def lazy_import(module_name: str) -> lazy_object_proxy.Proxy:
    return lazy_object_proxy.Proxy(
        lambda: importlib.import_module("." + module_name, "astroid")
    )

class UninferableBase:
    """Special inference object, which is returned when inference fails.

This is meant to be used as a singleton. Use astroid.util.Uninferable to access it.
    """

def __repr__(self) -> Literal["Uninferable"]:
        return "Uninferable"

__str__ = __repr__

def __getattribute__(self, name: str) -> Any:
        if name == "next":
            raise AttributeError("next method should not be called")
        if name.startswith("__") and name.endswith("__"):
            return object.__getattribute__(self, name)
        if name == "accept":
            return object.__getattribute__(self, name)
        return self

def __call__(self, *args: Any, **kwargs: Any) -> UninferableBase:
        return self

def __bool__(self) -> Literal[False]:
        return False

__nonzero__ = __bool__

def accept(self, visitor):
        return visitor.visit_uninferable(self)

Uninferable: Final = UninferableBase()

class BadOperationMessage:
    """Object which describes a TypeError occurred somewhere in the inference chain.

This is not an exception, but a container object which holds the types and
    the error which occurred.
    """

class BadUnaryOperationMessage(BadOperationMessage):
    """Object which describes operational failures on UnaryOps."""

def __init__(self, operand, op, error):
        self.operand = operand
        self.op = op
        self.error = error

@property
    def _object_type_helper(self):
        helpers = lazy_import("helpers")
        return helpers.object_type

def _object_type(self, obj):
        objtype = self._object_type_helper(obj)
        if isinstance(objtype, UninferableBase):
            return None

return objtype

def __str__(self) -> str:
        if hasattr(self.operand, "name"):
            operand_type = self.operand.name
        else:
            object_type = self._object_type(self.operand)
            if hasattr(object_type, "name"):
                operand_type = object_type.name
            else:
                # Just fallback to as_string
                operand_type = object_type.as_string()

msg = "bad operand type for unary {}: {}"
        return msg.format(self.op, operand_type)

class BadBinaryOperationMessage(BadOperationMessage):
    """Object which describes type errors for BinOps."""

def __init__(self, left_type, op, right_type):
        self.left_type = left_type
        self.right_type = right_type
        self.op = op

def __str__(self) -> str:
        msg = "unsupported operand type(s) for {}: {!r} and {!r}"
        return msg.format(self.op, self.left_type.name, self.right_type.name)

def _instancecheck(cls, other) -> bool:
    wrapped = cls.__wrapped__
    other_cls = other.__class__
    is_instance_of = wrapped is other_cls or issubclass(other_cls, wrapped)
    warnings.warn(
        "%r is deprecated and slated for removal in astroid "
        "2.0, use %r instead" % (cls.__class__.__name__, wrapped.__name__),
        PendingDeprecationWarning,
        stacklevel=2,
    )
    return is_instance_of

def proxy_alias(alias_name, node_type):
    """Get a Proxy from the given name to the given node type."""
    proxy = type(
        alias_name,
        (lazy_object_proxy.Proxy,),
        {
            "__class__": object.__dict__["__class__"],
            "__instancecheck__": _instancecheck,
        },
    )
    return proxy(lambda: node_type)

def check_warnings_filter() -> bool:
    """Return True if any other than the default DeprecationWarning filter is enabled.

https://docs.python.org/3/library/warnings.html#default-warning-filter
    """
    return any(
        issubclass(DeprecationWarning, filter[2])
        and filter[0] != "ignore"
        and filter[3] != "__main__"
        for filter in warnings.filters
    )

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