Python sqlalchemy.exc 模块，DontWrapMixin() 实例源码

我们从Python开源项目中，提取了以下26个代码示例，用于说明如何使用sqlalchemy.exc.DontWrapMixin()。

项目：pyetje 作者：rorlika | 项目源码 | 文件源码

def instance(cls, statement, params,
                        orig,
                        dbapi_base_err,
                        connection_invalidated=False):
        # Don't ever wrap these, just return them directly as if
        # DBAPIError didn't exist.
        if isinstance(orig, (KeyboardInterrupt, SystemExit, DontWrapMixin)):
            return orig

        if orig is not None:
            # not a DBAPI error, statement is present.
            # raise a StatementError
            if not isinstance(orig, dbapi_base_err) and statement:
                msg = traceback.format_exception_only(
                    orig.__class__, orig)[-1].strip()
                return StatementError(
                    "%s (original cause: %s)" % (str(orig), msg),
                    statement, params, orig
                )

            name, glob = orig.__class__.__name__, globals()
            if name in glob and issubclass(glob[name], DBAPIError):
                cls = glob[name]

        return cls(statement, params, orig, connection_invalidated)

项目：Flask_Blog 作者：sugarguo | 项目源码 | 文件源码

def instance(cls, statement, params,
                 orig, dbapi_base_err,
                 connection_invalidated=False,
                 dialect=None):
        # Don't ever wrap these, just return them directly as if
        # DBAPIError didn't exist.
        if (isinstance(orig, BaseException) and
                not isinstance(orig, Exception)) or \
                isinstance(orig, DontWrapMixin):
            return orig

        if orig is not None:
            # not a DBAPI error, statement is present.
            # raise a StatementError
            if not isinstance(orig, dbapi_base_err) and statement:
                return StatementError(
                    "(%s.%s) %s" %
                    (orig.__class__.__module__, orig.__class__.__name__,
                     orig),
                    statement, params, orig
                )

            glob = globals()
            for super_ in orig.__class__.__mro__:
                name = super_.__name__
                if dialect:
                    name = dialect.dbapi_exception_translation_map.get(
                        name, name)
                if name in glob and issubclass(glob[name], DBAPIError):
                    cls = glob[name]
                    break

        return cls(statement, params, orig, connection_invalidated)

项目：QXSConsolas 作者：qxsch | 项目源码 | 文件源码

def instance(cls, statement, params,
                 orig, dbapi_base_err,
                 connection_invalidated=False,
                 dialect=None):
        # Don't ever wrap these, just return them directly as if
        # DBAPIError didn't exist.
        if (isinstance(orig, BaseException) and
                not isinstance(orig, Exception)) or \
                isinstance(orig, DontWrapMixin):
            return orig

        if orig is not None:
            # not a DBAPI error, statement is present.
            # raise a StatementError
            if not isinstance(orig, dbapi_base_err) and statement:
                return StatementError(
                    "(%s.%s) %s" %
                    (orig.__class__.__module__, orig.__class__.__name__,
                     orig),
                    statement, params, orig
                )

            glob = globals()
            for super_ in orig.__class__.__mro__:
                name = super_.__name__
                if dialect:
                    name = dialect.dbapi_exception_translation_map.get(
                        name, name)
                if name in glob and issubclass(glob[name], DBAPIError):
                    cls = glob[name]
                    break

        return cls(statement, params, orig, connection_invalidated)

项目：flasky 作者：RoseOu | 项目源码 | 文件源码

def instance(cls, statement, params,
                 orig, dbapi_base_err,
                 connection_invalidated=False):
        # Don't ever wrap these, just return them directly as if
        # DBAPIError didn't exist.
        if isinstance(orig, (KeyboardInterrupt, SystemExit, DontWrapMixin)):
            return orig

        if orig is not None:
            # not a DBAPI error, statement is present.
            # raise a StatementError
            if not isinstance(orig, dbapi_base_err) and statement:
                msg = traceback.format_exception_only(
                    orig.__class__, orig)[-1].strip()
                return StatementError(
                    "%s (original cause: %s)" % (str(orig), msg),
                    statement, params, orig
                )

            glob = globals()
            for super_ in orig.__class__.__mro__:
                name = super_.__name__
                if name in glob and issubclass(glob[name], DBAPIError):
                    cls = glob[name]
                    break

        return cls(statement, params, orig, connection_invalidated)

项目：oa_qian 作者：sunqb | 项目源码 | 文件源码

def instance(cls, statement, params,
                 orig, dbapi_base_err,
                 connection_invalidated=False):
        # Don't ever wrap these, just return them directly as if
        # DBAPIError didn't exist.
        if isinstance(orig, (KeyboardInterrupt, SystemExit, DontWrapMixin)):
            return orig

        if orig is not None:
            # not a DBAPI error, statement is present.
            # raise a StatementError
            if not isinstance(orig, dbapi_base_err) and statement:
                msg = traceback.format_exception_only(
                    orig.__class__, orig)[-1].strip()
                return StatementError(
                    "%s (original cause: %s)" % (str(orig), msg),
                    statement, params, orig
                )

            glob = globals()
            for super_ in orig.__class__.__mro__:
                name = super_.__name__
                if name in glob and issubclass(glob[name], DBAPIError):
                    cls = glob[name]
                    break

        return cls(statement, params, orig, connection_invalidated)

项目：chihu 作者：yelongyu | 项目源码 | 文件源码

def instance(cls, statement, params,
                 orig, dbapi_base_err,
                 connection_invalidated=False,
                 dialect=None):
        # Don't ever wrap these, just return them directly as if
        # DBAPIError didn't exist.
        if (isinstance(orig, BaseException) and
                not isinstance(orig, Exception)) or \
                isinstance(orig, DontWrapMixin):
            return orig

        if orig is not None:
            # not a DBAPI error, statement is present.
            # raise a StatementError
            if not isinstance(orig, dbapi_base_err) and statement:
                return StatementError(
                    "(%s.%s) %s" %
                    (orig.__class__.__module__, orig.__class__.__name__,
                     orig),
                    statement, params, orig
                )

            glob = globals()
            for super_ in orig.__class__.__mro__:
                name = super_.__name__
                if dialect:
                    name = dialect.dbapi_exception_translation_map.get(
                        name, name)
                if name in glob and issubclass(glob[name], DBAPIError):
                    cls = glob[name]
                    break

        return cls(statement, params, orig, connection_invalidated)

项目：ShelbySearch 作者：Agentscreech | 项目源码 | 文件源码

def instance(cls, statement, params,
                 orig, dbapi_base_err,
                 connection_invalidated=False,
                 dialect=None):
        # Don't ever wrap these, just return them directly as if
        # DBAPIError didn't exist.
        if (isinstance(orig, BaseException) and
                not isinstance(orig, Exception)) or \
                isinstance(orig, DontWrapMixin):
            return orig

        if orig is not None:
            # not a DBAPI error, statement is present.
            # raise a StatementError
            if not isinstance(orig, dbapi_base_err) and statement:
                return StatementError(
                    "(%s.%s) %s" %
                    (orig.__class__.__module__, orig.__class__.__name__,
                     orig),
                    statement, params, orig
                )

            glob = globals()
            for super_ in orig.__class__.__mro__:
                name = super_.__name__
                if dialect:
                    name = dialect.dbapi_exception_translation_map.get(
                        name, name)
                if name in glob and issubclass(glob[name], DBAPIError):
                    cls = glob[name]
                    break

        return cls(statement, params, orig, connection_invalidated)

项目：Price-Comparator 作者：Thejas-1 | 项目源码 | 文件源码

def instance(cls, statement, params,
                 orig, dbapi_base_err,
                 connection_invalidated=False,
                 dialect=None):
        # Don't ever wrap these, just return them directly as if
        # DBAPIError didn't exist.
        if (isinstance(orig, BaseException) and
                not isinstance(orig, Exception)) or \
                isinstance(orig, DontWrapMixin):
            return orig

        if orig is not None:
            # not a DBAPI error, statement is present.
            # raise a StatementError
            if not isinstance(orig, dbapi_base_err) and statement:
                return StatementError(
                    "(%s.%s) %s" %
                    (orig.__class__.__module__, orig.__class__.__name__,
                     orig),
                    statement, params, orig
                )

            glob = globals()
            for super_ in orig.__class__.__mro__:
                name = super_.__name__
                if dialect:
                    name = dialect.dbapi_exception_translation_map.get(
                        name, name)
                if name in glob and issubclass(glob[name], DBAPIError):
                    cls = glob[name]
                    break

        return cls(statement, params, orig, connection_invalidated)

项目：Flask-NvRay-Blog 作者：rui7157 | 项目源码 | 文件源码

def instance(cls, statement, params,
                 orig, dbapi_base_err,
                 connection_invalidated=False,
                 dialect=None):
        # Don't ever wrap these, just return them directly as if
        # DBAPIError didn't exist.
        if (isinstance(orig, BaseException) and
                not isinstance(orig, Exception)) or \
                isinstance(orig, DontWrapMixin):
            return orig

        if orig is not None:
            # not a DBAPI error, statement is present.
            # raise a StatementError
            if not isinstance(orig, dbapi_base_err) and statement:
                return StatementError(
                    "(%s.%s) %s" %
                    (orig.__class__.__module__, orig.__class__.__name__,
                     orig),
                    statement, params, orig
                )

            glob = globals()
            for super_ in orig.__class__.__mro__:
                name = super_.__name__
                if dialect:
                    name = dialect.dbapi_exception_translation_map.get(
                        name, name)
                if name in glob and issubclass(glob[name], DBAPIError):
                    cls = glob[name]
                    break

        return cls(statement, params, orig, connection_invalidated)

项目：Flask-NvRay-Blog 作者：rui7157 | 项目源码 | 文件源码

def instance(cls, statement, params,
                 orig, dbapi_base_err,
                 connection_invalidated=False,
                 dialect=None):
        # Don't ever wrap these, just return them directly as if
        # DBAPIError didn't exist.
        if (isinstance(orig, BaseException) and
                not isinstance(orig, Exception)) or \
                isinstance(orig, DontWrapMixin):
            return orig

        if orig is not None:
            # not a DBAPI error, statement is present.
            # raise a StatementError
            if not isinstance(orig, dbapi_base_err) and statement:
                return StatementError(
                    "(%s.%s) %s" %
                    (orig.__class__.__module__, orig.__class__.__name__,
                     orig),
                    statement, params, orig
                )

            glob = globals()
            for super_ in orig.__class__.__mro__:
                name = super_.__name__
                if dialect:
                    name = dialect.dbapi_exception_translation_map.get(
                        name, name)
                if name in glob and issubclass(glob[name], DBAPIError):
                    cls = glob[name]
                    break

        return cls(statement, params, orig, connection_invalidated)

项目：Callandtext 作者：iaora | 项目源码 | 文件源码

def instance(cls, statement, params,
                 orig, dbapi_base_err,
                 connection_invalidated=False,
                 dialect=None):
        # Don't ever wrap these, just return them directly as if
        # DBAPIError didn't exist.
        if (isinstance(orig, BaseException) and
                not isinstance(orig, Exception)) or \
                isinstance(orig, DontWrapMixin):
            return orig

        if orig is not None:
            # not a DBAPI error, statement is present.
            # raise a StatementError
            if not isinstance(orig, dbapi_base_err) and statement:
                return StatementError(
                    "(%s.%s) %s" %
                    (orig.__class__.__module__, orig.__class__.__name__,
                     orig),
                    statement, params, orig
                )

            glob = globals()
            for super_ in orig.__class__.__mro__:
                name = super_.__name__
                if dialect:
                    name = dialect.dbapi_exception_translation_map.get(
                        name, name)
                if name in glob and issubclass(glob[name], DBAPIError):
                    cls = glob[name]
                    break

        return cls(statement, params, orig, connection_invalidated)

项目：python_ddd_flask 作者：igorvinnicius | 项目源码 | 文件源码

def instance(cls, statement, params,
                 orig, dbapi_base_err,
                 connection_invalidated=False,
                 dialect=None):
        # Don't ever wrap these, just return them directly as if
        # DBAPIError didn't exist.
        if (isinstance(orig, BaseException) and
                not isinstance(orig, Exception)) or \
                isinstance(orig, DontWrapMixin):
            return orig

        if orig is not None:
            # not a DBAPI error, statement is present.
            # raise a StatementError
            if not isinstance(orig, dbapi_base_err) and statement:
                return StatementError(
                    "(%s.%s) %s" %
                    (orig.__class__.__module__, orig.__class__.__name__,
                     orig),
                    statement, params, orig
                )

            glob = globals()
            for super_ in orig.__class__.__mro__:
                name = super_.__name__
                if dialect:
                    name = dialect.dbapi_exception_translation_map.get(
                        name, name)
                if name in glob and issubclass(glob[name], DBAPIError):
                    cls = glob[name]
                    break

        return cls(statement, params, orig, connection_invalidated)

项目：webapp 作者：superchilli | 项目源码 | 文件源码

def instance(cls, statement, params,
                 orig, dbapi_base_err,
                 connection_invalidated=False,
                 dialect=None):
        # Don't ever wrap these, just return them directly as if
        # DBAPIError didn't exist.
        if (isinstance(orig, BaseException) and
                not isinstance(orig, Exception)) or \
                isinstance(orig, DontWrapMixin):
            return orig

        if orig is not None:
            # not a DBAPI error, statement is present.
            # raise a StatementError
            if not isinstance(orig, dbapi_base_err) and statement:
                return StatementError(
                    "(%s.%s) %s" %
                    (orig.__class__.__module__, orig.__class__.__name__,
                     orig),
                    statement, params, orig
                )

            glob = globals()
            for super_ in orig.__class__.__mro__:
                name = super_.__name__
                if dialect:
                    name = dialect.dbapi_exception_translation_map.get(
                        name, name)
                if name in glob and issubclass(glob[name], DBAPIError):
                    cls = glob[name]
                    break

        return cls(statement, params, orig, connection_invalidated)

项目：QualquerMerdaAPI 作者：tiagovizoto | 项目源码 | 文件源码

def instance(cls, statement, params,
                 orig, dbapi_base_err,
                 connection_invalidated=False,
                 dialect=None):
        # Don't ever wrap these, just return them directly as if
        # DBAPIError didn't exist.
        if (isinstance(orig, BaseException) and
                not isinstance(orig, Exception)) or \
                isinstance(orig, DontWrapMixin):
            return orig

        if orig is not None:
            # not a DBAPI error, statement is present.
            # raise a StatementError
            if not isinstance(orig, dbapi_base_err) and statement:
                return StatementError(
                    "(%s.%s) %s" %
                    (orig.__class__.__module__, orig.__class__.__name__,
                     orig),
                    statement, params, orig
                )

            glob = globals()
            for super_ in orig.__class__.__mro__:
                name = super_.__name__
                if dialect:
                    name = dialect.dbapi_exception_translation_map.get(
                        name, name)
                if name in glob and issubclass(glob[name], DBAPIError):
                    cls = glob[name]
                    break

        return cls(statement, params, orig, connection_invalidated)

项目：gardenbot 作者：GoestaO | 项目源码 | 文件源码

def instance(cls, statement, params,
                 orig, dbapi_base_err,
                 connection_invalidated=False,
                 dialect=None):
        # Don't ever wrap these, just return them directly as if
        # DBAPIError didn't exist.
        if (isinstance(orig, BaseException) and
                not isinstance(orig, Exception)) or \
                isinstance(orig, DontWrapMixin):
            return orig

        if orig is not None:
            # not a DBAPI error, statement is present.
            # raise a StatementError
            if not isinstance(orig, dbapi_base_err) and statement:
                return StatementError(
                    "(%s.%s) %s" %
                    (orig.__class__.__module__, orig.__class__.__name__,
                     orig),
                    statement, params, orig
                )

            glob = globals()
            for super_ in orig.__class__.__mro__:
                name = super_.__name__
                if dialect:
                    name = dialect.dbapi_exception_translation_map.get(
                        name, name)
                if name in glob and issubclass(glob[name], DBAPIError):
                    cls = glob[name]
                    break

        return cls(statement, params, orig, connection_invalidated)

项目：flask-zhenai-mongo-echarts 作者：Fretice | 项目源码 | 文件源码

def instance(cls, statement, params,
                 orig, dbapi_base_err,
                 connection_invalidated=False,
                 dialect=None):
        # Don't ever wrap these, just return them directly as if
        # DBAPIError didn't exist.
        if (isinstance(orig, BaseException) and
                not isinstance(orig, Exception)) or \
                isinstance(orig, DontWrapMixin):
            return orig

        if orig is not None:
            # not a DBAPI error, statement is present.
            # raise a StatementError
            if not isinstance(orig, dbapi_base_err) and statement:
                return StatementError(
                    "(%s.%s) %s" %
                    (orig.__class__.__module__, orig.__class__.__name__,
                     orig),
                    statement, params, orig
                )

            glob = globals()
            for super_ in orig.__class__.__mro__:
                name = super_.__name__
                if dialect:
                    name = dialect.dbapi_exception_translation_map.get(
                        name, name)
                if name in glob and issubclass(glob[name], DBAPIError):
                    cls = glob[name]
                    break

        return cls(statement, params, orig, connection_invalidated)

项目：Data-visualization 作者：insta-code1 | 项目源码 | 文件源码

def instance(cls, statement, params,
                 orig, dbapi_base_err,
                 connection_invalidated=False,
                 dialect=None):
        # Don't ever wrap these, just return them directly as if
        # DBAPIError didn't exist.
        if (isinstance(orig, BaseException) and
                not isinstance(orig, Exception)) or \
                isinstance(orig, DontWrapMixin):
            return orig

        if orig is not None:
            # not a DBAPI error, statement is present.
            # raise a StatementError
            if not isinstance(orig, dbapi_base_err) and statement:
                return StatementError(
                    "(%s.%s) %s" %
                    (orig.__class__.__module__, orig.__class__.__name__,
                     orig),
                    statement, params, orig
                )

            glob = globals()
            for super_ in orig.__class__.__mro__:
                name = super_.__name__
                if dialect:
                    name = dialect.dbapi_exception_translation_map.get(
                        name, name)
                if name in glob and issubclass(glob[name], DBAPIError):
                    cls = glob[name]
                    break

        return cls(statement, params, orig, connection_invalidated)

项目：micro-blog 作者：nickChenyx | 项目源码 | 文件源码

def instance(cls, statement, params,
                 orig, dbapi_base_err,
                 connection_invalidated=False,
                 dialect=None):
        # Don't ever wrap these, just return them directly as if
        # DBAPIError didn't exist.
        if (isinstance(orig, BaseException) and
                not isinstance(orig, Exception)) or \
                isinstance(orig, DontWrapMixin):
            return orig

        if orig is not None:
            # not a DBAPI error, statement is present.
            # raise a StatementError
            if not isinstance(orig, dbapi_base_err) and statement:
                return StatementError(
                    "(%s.%s) %s" %
                    (orig.__class__.__module__, orig.__class__.__name__,
                     orig),
                    statement, params, orig
                )

            glob = globals()
            for super_ in orig.__class__.__mro__:
                name = super_.__name__
                if dialect:
                    name = dialect.dbapi_exception_translation_map.get(
                        name, name)
                if name in glob and issubclass(glob[name], DBAPIError):
                    cls = glob[name]
                    break

        return cls(statement, params, orig, connection_invalidated)

项目：python-flask-security 作者：weinbergdavid | 项目源码 | 文件源码

def instance(cls, statement, params,
                 orig, dbapi_base_err,
                 connection_invalidated=False,
                 dialect=None):
        # Don't ever wrap these, just return them directly as if
        # DBAPIError didn't exist.
        if (isinstance(orig, BaseException) and
                not isinstance(orig, Exception)) or \
                isinstance(orig, DontWrapMixin):
            return orig

        if orig is not None:
            # not a DBAPI error, statement is present.
            # raise a StatementError
            if not isinstance(orig, dbapi_base_err) and statement:
                return StatementError(
                    "(%s.%s) %s" %
                    (orig.__class__.__module__, orig.__class__.__name__,
                     orig),
                    statement, params, orig
                )

            glob = globals()
            for super_ in orig.__class__.__mro__:
                name = super_.__name__
                if dialect:
                    name = dialect.dbapi_exception_translation_map.get(
                        name, name)
                if name in glob and issubclass(glob[name], DBAPIError):
                    cls = glob[name]
                    break

        return cls(statement, params, orig, connection_invalidated)

项目：watcher 作者：nosmokingbandit | 项目源码 | 文件源码

def instance(cls, statement, params,
                 orig, dbapi_base_err,
                 connection_invalidated=False,
                 dialect=None):
        # Don't ever wrap these, just return them directly as if
        # DBAPIError didn't exist.
        if (isinstance(orig, BaseException) and
                not isinstance(orig, Exception)) or \
                isinstance(orig, DontWrapMixin):
            return orig

        if orig is not None:
            # not a DBAPI error, statement is present.
            # raise a StatementError
            if not isinstance(orig, dbapi_base_err) and statement:
                return StatementError(
                    "(%s.%s) %s" %
                    (orig.__class__.__module__, orig.__class__.__name__,
                     orig),
                    statement, params, orig
                )

            glob = globals()
            for super_ in orig.__class__.__mro__:
                name = super_.__name__
                if dialect:
                    name = dialect.dbapi_exception_translation_map.get(
                        name, name)
                if name in glob and issubclass(glob[name], DBAPIError):
                    cls = glob[name]
                    break

        return cls(statement, params, orig, connection_invalidated)

项目：Lixiang_zhaoxin 作者：hejaxian | 项目源码 | 文件源码

def instance(cls, statement, params,
                 orig, dbapi_base_err,
                 connection_invalidated=False,
                 dialect=None):
        # Don't ever wrap these, just return them directly as if
        # DBAPIError didn't exist.
        if (isinstance(orig, BaseException) and
                not isinstance(orig, Exception)) or \
                isinstance(orig, DontWrapMixin):
            return orig

        if orig is not None:
            # not a DBAPI error, statement is present.
            # raise a StatementError
            if not isinstance(orig, dbapi_base_err) and statement:
                return StatementError(
                    "(%s.%s) %s" %
                    (orig.__class__.__module__, orig.__class__.__name__,
                     orig),
                    statement, params, orig
                )

            glob = globals()
            for super_ in orig.__class__.__mro__:
                name = super_.__name__
                if dialect:
                    name = dialect.dbapi_exception_translation_map.get(
                        name, name)
                if name in glob and issubclass(glob[name], DBAPIError):
                    cls = glob[name]
                    break

        return cls(statement, params, orig, connection_invalidated)

项目：flask 作者：bobohope | 项目源码 | 文件源码

def instance(cls, statement, params,
                 orig, dbapi_base_err,
                 connection_invalidated=False,
                 dialect=None):
        # Don't ever wrap these, just return them directly as if
        # DBAPIError didn't exist.
        if (isinstance(orig, BaseException) and
                not isinstance(orig, Exception)) or \
                isinstance(orig, DontWrapMixin):
            return orig

        if orig is not None:
            # not a DBAPI error, statement is present.
            # raise a StatementError
            if not isinstance(orig, dbapi_base_err) and statement:
                return StatementError(
                    "(%s.%s) %s" %
                    (orig.__class__.__module__, orig.__class__.__name__,
                     orig),
                    statement, params, orig
                )

            glob = globals()
            for super_ in orig.__class__.__mro__:
                name = super_.__name__
                if dialect:
                    name = dialect.dbapi_exception_translation_map.get(
                        name, name)
                if name in glob and issubclass(glob[name], DBAPIError):
                    cls = glob[name]
                    break

        return cls(statement, params, orig, connection_invalidated)

项目：Chorus 作者：DonaldBough | 项目源码 | 文件源码

def instance(cls, statement, params,
                 orig, dbapi_base_err,
                 connection_invalidated=False,
                 dialect=None):
        # Don't ever wrap these, just return them directly as if
        # DBAPIError didn't exist.
        if (isinstance(orig, BaseException) and
                not isinstance(orig, Exception)) or \
                isinstance(orig, DontWrapMixin):
            return orig

        if orig is not None:
            # not a DBAPI error, statement is present.
            # raise a StatementError
            if not isinstance(orig, dbapi_base_err) and statement:
                return StatementError(
                    "(%s.%s) %s" %
                    (orig.__class__.__module__, orig.__class__.__name__,
                     orig),
                    statement, params, orig
                )

            glob = globals()
            for super_ in orig.__class__.__mro__:
                name = super_.__name__
                if dialect:
                    name = dialect.dbapi_exception_translation_map.get(
                        name, name)
                if name in glob and issubclass(glob[name], DBAPIError):
                    cls = glob[name]
                    break

        return cls(statement, params, orig, connection_invalidated)

项目：Hawkeye 作者：tozhengxq | 项目源码 | 文件源码

def instance(cls, statement, params,
                 orig, dbapi_base_err,
                 connection_invalidated=False,
                 dialect=None):
        # Don't ever wrap these, just return them directly as if
        # DBAPIError didn't exist.
        if (isinstance(orig, BaseException) and
                not isinstance(orig, Exception)) or \
                isinstance(orig, DontWrapMixin):
            return orig

        if orig is not None:
            # not a DBAPI error, statement is present.
            # raise a StatementError
            if not isinstance(orig, dbapi_base_err) and statement:
                return StatementError(
                    "(%s.%s) %s" %
                    (orig.__class__.__module__, orig.__class__.__name__,
                     orig),
                    statement, params, orig
                )

            glob = globals()
            for super_ in orig.__class__.__mro__:
                name = super_.__name__
                if dialect:
                    name = dialect.dbapi_exception_translation_map.get(
                        name, name)
                if name in glob and issubclass(glob[name], DBAPIError):
                    cls = glob[name]
                    break

        return cls(statement, params, orig, connection_invalidated)

项目：Alfred 作者：jkachhadia | 项目源码 | 文件源码

def instance(cls, statement, params,
                 orig, dbapi_base_err,
                 connection_invalidated=False,
                 dialect=None):
        # Don't ever wrap these, just return them directly as if
        # DBAPIError didn't exist.
        if (isinstance(orig, BaseException) and
                not isinstance(orig, Exception)) or \
                isinstance(orig, DontWrapMixin):
            return orig

        if orig is not None:
            # not a DBAPI error, statement is present.
            # raise a StatementError
            if not isinstance(orig, dbapi_base_err) and statement:
                return StatementError(
                    "(%s.%s) %s" %
                    (orig.__class__.__module__, orig.__class__.__name__,
                     orig),
                    statement, params, orig
                )

            glob = globals()
            for super_ in orig.__class__.__mro__:
                name = super_.__name__
                if dialect:
                    name = dialect.dbapi_exception_translation_map.get(
                        name, name)
                if name in glob and issubclass(glob[name], DBAPIError):
                    cls = glob[name]
                    break

        return cls(statement, params, orig, connection_invalidated)

项目：ngx_status 作者：YoYoAdorkable | 项目源码 | 文件源码

def instance(cls, statement, params,
                 orig, dbapi_base_err,
                 connection_invalidated=False,
                 dialect=None):
        # Don't ever wrap these, just return them directly as if
        # DBAPIError didn't exist.
        if (isinstance(orig, BaseException) and
                not isinstance(orig, Exception)) or \
                isinstance(orig, DontWrapMixin):
            return orig

        if orig is not None:
            # not a DBAPI error, statement is present.
            # raise a StatementError
            if not isinstance(orig, dbapi_base_err) and statement:
                return StatementError(
                    "(%s.%s) %s" %
                    (orig.__class__.__module__, orig.__class__.__name__,
                     orig),
                    statement, params, orig
                )

            glob = globals()
            for super_ in orig.__class__.__mro__:
                name = super_.__name__
                if dialect:
                    name = dialect.dbapi_exception_translation_map.get(
                        name, name)
                if name in glob and issubclass(glob[name], DBAPIError):
                    cls = glob[name]
                    break

        return cls(statement, params, orig, connection_invalidated)