How to use is_instances method in yandex-tank

Best Python code snippet using yandex-tank

constants.py

Source:constants.py

...33            Context(vars=None, global_ctx=global_ctx, origcode=const.source_code),34        )35        annotation_type = global_ctx.parse_type(const.annotation.args[0], None)36        fail = False37        if is_instances([expr.typ, annotation_type], ByteArrayType):38            if expr.typ.maxlen < annotation_type.maxlen:39                return const40            fail = True41        elif expr.typ != annotation_type:42            fail = True43            # special case for literals, which can be uint256 types as well.44            is_special_case_uint256_literal = (45                is_instances([expr.typ, annotation_type], BaseType)46            ) and (47                [annotation_type.typ, expr.typ.typ] == ['uint256', 'int128']48            ) and SizeLimits.in_bounds('uint256', expr.value)49            is_special_case_int256_literal = (50                is_instances([expr.typ, annotation_type], BaseType)51            ) and (52                [annotation_type.typ, expr.typ.typ] == ['int128', 'int128']53            ) and SizeLimits.in_bounds('int128', expr.value)54            if is_special_case_uint256_literal or is_special_case_int256_literal:55                fail = False56        if fail:57            raise TypeMismatchException(58                'Invalid value for constant type, expected %r got %r instead' % (59                    annotation_type,60                    expr.typ,61                ),62                const.value,63            )64        ann_expr = copy.deepcopy(expr)...

singleitem.py

Source:singleitem.py

1#!/usr/bin/env python32# -*- coding:utf-8 -*-3# author: bigfoolliu4"""5pythonå®ç°åä¾6"""7class SingleItem(object):8    """éè¿éå__new__æ¹æ³"""9    _instance = {}10    def __new__(cls, *args, **kwargs):11        if cls not in cls._instance:12            cls._instance[cls] = super().__new__(cls, *args, **kwargs)13        return cls._instance[cls]14def single_item(cls, *args, **kwargs):15    """éè¿éåçæ¹å¼"""16    is_instances = {}17    def get_instance():18        if cls not in is_instances:19            is_instances[cls] = cls(*args, **kwargs)20        return is_instances[cls]21    return get_instance22class A(SingleItem):23    def __init__(self, name, age=10):24        self.name = name25        self.age = age26a = A("jim")27b = A("tom")  # ç¬¬äºæ¬¡å®ä¾åä¼è¢«å¿½ç¥...

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