Yu1709$!%yuyu!$%wutu!5=126+

                
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      \_/     \/    @ligmakokz

Editing: inspection.py

# sqlalchemy/inspect.py
# Copyright (C) 2005-2021 the SQLAlchemy authors and contributors
# <see AUTHORS file>
#
# This module is part of SQLAlchemy and is released under
# the MIT License: http://www.opensource.org/licenses/mit-license.php

"""The inspection module provides the :func:`_sa.inspect` function,
which delivers runtime information about a wide variety
of SQLAlchemy objects, both within the Core as well as the
ORM.

The :func:`_sa.inspect` function is the entry point to SQLAlchemy's
public API for viewing the configuration and construction
of in-memory objects.   Depending on the type of object
passed to :func:`_sa.inspect`, the return value will either be
a related object which provides a known interface, or in many
cases it will return the object itself.

The rationale for :func:`_sa.inspect` is twofold.  One is that
it replaces the need to be aware of a large variety of "information
getting" functions in SQLAlchemy, such as
:meth:`_reflection.Inspector.from_engine`,
:func:`.orm.attributes.instance_state`, :func:`_orm.class_mapper`,
and others.    The other is that the return value of :func:`_sa.inspect`
is guaranteed to obey a documented API, thus allowing third party
tools which build on top of SQLAlchemy configurations to be constructed
in a forwards-compatible way.

"""

from . import exc
from . import util

_registrars = util.defaultdict(list)

def inspect(subject, raiseerr=True):
    """Produce an inspection object for the given target.

The returned value in some cases may be the
    same object as the one given, such as if a
    :class:`_orm.Mapper` object is passed.   In other
    cases, it will be an instance of the registered
    inspection type for the given object, such as
    if an :class:`_engine.Engine` is passed, an
    :class:`_reflection.Inspector` object is returned.

:param subject: the subject to be inspected.
    :param raiseerr: When ``True``, if the given subject
     does not
     correspond to a known SQLAlchemy inspected type,
     :class:`sqlalchemy.exc.NoInspectionAvailable`
     is raised.  If ``False``, ``None`` is returned.

"""
    type_ = type(subject)
    for cls in type_.__mro__:
        if cls in _registrars:
            reg = _registrars[cls]
            if reg is True:
                return subject
            ret = reg(subject)
            if ret is not None:
                break
    else:
        reg = ret = None

if raiseerr and (reg is None or ret is None):
        raise exc.NoInspectionAvailable(
            "No inspection system is "
            "available for object of type %s" % type_
        )
    return ret

def _inspects(*types):
    def decorate(fn_or_cls):
        for type_ in types:
            if type_ in _registrars:
                raise AssertionError(
                    "Type %s is already " "registered" % type_
                )
            _registrars[type_] = fn_or_cls
        return fn_or_cls

return decorate

def _self_inspects(cls):
    _inspects(cls)(True)
    return cls

Name	Type	Actions
__pycache__	Directory
connectors	Directory
databases	Directory
dialects	Directory
engine	Directory
event	Directory
ext	Directory
orm	Directory
pool	Directory
sql	Directory
testing	Directory
util	Directory
__init__.py	File
cprocessors.cpython-311-x86_64-linux-gnu.so	File
cresultproxy.cpython-311-x86_64-linux-gnu.so	File
cutils.cpython-311-x86_64-linux-gnu.so	File
events.py	File
exc.py	File
inspection.py	File
interfaces.py	File
log.py	File
processors.py	File
schema.py	File
types.py	File