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How to use _override method in Slash

Best Python code snippet using slash

settings.py

Source:settings.py

1from django_productline.context import PRODUCT_CONTEXT2def _override(new, orig):3    '''4    to override original, use a new value that is not None.5    to use the original value, set the new value to None.6    => it is possible to override the original value with an empty string!7    '''8    if new is not None:9        return new10    else:11        return orig12def refine_EMAIL_BACKEND(original):13    return _override(PRODUCT_CONTEXT.EMAIL_BACKEND, original)14def refine_EMAIL_HOST(original):15    return _override(PRODUCT_CONTEXT.EMAIL_HOST, original)16def refine_EMAIL_HOST_USER(original):17    return _override(PRODUCT_CONTEXT.EMAIL_HOST_USER, original)18def refine_EMAIL_HOST_PASSWORD(original):19    return str(_override(PRODUCT_CONTEXT.EMAIL_HOST_PASSWORD, original))20def refine_EMAIL_PORT(original):21    return _override(PRODUCT_CONTEXT.EMAIL_PORT, original)22def refine_EMAIL_USE_TLS(original):23    return _override(PRODUCT_CONTEXT.EMAIL_USE_TLS, original)24def refine_EMAIL_USE_SSL(original):25    return _override(PRODUCT_CONTEXT.EMAIL_USE_SSL, original)26def refine_DEFAULT_FROM_EMAIL(original):27    return _override(PRODUCT_CONTEXT.DEFAULT_FROM_EMAIL, original)28def refine_SERVER_EMAIL(original):29    return _override(PRODUCT_CONTEXT.SERVER_EMAIL, original)30def refine_EMAIL_SUBJECT_PREFIX(original):...

lazy.py

Source:lazy.py

1class LazyWrapper:2    def __init__(self, f, args=[], kwargs={}):3        self._override = True4        self._isset = False5        self._value = None6        self._func = f7        self._args = args8        self._kwargs = kwargs9        self._override = False10    def _checkset(self):11        if not self._isset:12            self._override = True13            if isinstance(self._func, str):14                module = self._func.split('.')15                self._func = getattr(__import__(".".join(module[:-1])), module[-1])16            self._value = self._func(*self._args, **self._kwargs)17            self._isset = True18            self._checkset = lambda: True19            self._override = False20    def __getattr__(self, name):21        if getattr(self, '_override'):22            return self.__dict__[name]23        self._checkset()24        return self._value.__getattribute__(name)25    def __setattr__(self, name, val):26        if name == '_override' or self._override:27            self.__dict__[name] = val28            return29        self._checkset()30        setattr(self._value, name, val)31        return32def lazy(f):33    def newf(*args, **kwargs):34        return LazyWrapper(f, args, kwargs)...

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