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How to use ensure_providers method in Sure

Best Python code snippet using sure_python

__init__.py

Source:__init__.py

...235        attr = args[index]236        if not attr in context.__sure_providers_of__:237            context.__sure_providers_of__[attr] = []238        context.__sure_providers_of__[attr].append(func)239    def ensure_providers(func, attr, args, kwargs):240        found = re.search(r'^[{](\d+)[}]$', attr)241        if found:242            index = int(found.group(1))243            attr = args[index]244        assert attr in context, \245            'the action "%s" was supposed to provide the attribute "%s" ' \246            'into the context, but it did not. Please double check its ' \247            'implementation' % (func.__name__, attr)248    dependency_error_lonely = 'the action "%s" defined at %s:%d ' \249        'depends on the attribute "%s" to be available in the' \250        ' context. It turns out that there are no actions providing ' \251        'that. Please double-check the implementation'252    dependency_error_hints = 'the action "%s" defined at %s:%d ' \253        'depends on the attribute "%s" to be available in the context.'\254        ' You need to call one of the following actions beforehand:\n'255    def check_dependencies(func):256        action = func.__name__257        filename = _get_file_name(func)258        lineno = _get_line_number(func)259        for dependency in depends_on:260            if dependency in context.__sure_providers_of__:261                providers = context.__sure_providers_of__[dependency]262                err = dependency_error_hints % (263                    action,264                    filename,265                    lineno,266                    dependency,267                )268                err += '\n'.join([269                    ' -> %s at %s:%d' % (270                        p.__name__,271                        _get_file_name(p),272                        _get_line_number(p)) for p in providers])273            else:274                err = dependency_error_lonely % (275                    action,276                    filename,277                    lineno,278                    dependency,279                )280            assert dependency in context, err281    def decorate_and_absorb(func):282        [register_providers(func, attr) for attr in provides]283        @wraps(func)284        def wrapper(*args, **kw):285            [register_dinamic_providers(func, attr, args, kw)286             for attr in provides]287            context.__sure_actions_ran__.append((func, args, kw))288            check_dependencies(func)289            result = func(*args, **kw)290            [ensure_providers(func, attr, args, kw) for attr in provides]291            context.__sure_action_results__.append(result)292            return context293        setattr(context, func.__name__, wrapper)294        return wrapper295    return decorate_and_absorb296def work_in_progress(func):297    @wraps(func)298    def wrapper(*args, **kwargs):299        _registry['is_running'] = True300        ret = func(*args, **kwargs)301        _registry['is_running'] = False302        return ret303    return wrapper304def assertionmethod(func):...

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