Source code for openpyxl.styles.proxy

# Copyright (c) 2010-2019 openpyxl

from copy import copy

from openpyxl.compat import deprecated


[docs]class StyleProxy(object): """ Proxy formatting objects so that they cannot be altered """ __slots__ = ('__target') def __init__(self, target): self.__target = target def __repr__(self): return repr(self.__target) def __getattr__(self, attr): return getattr(self.__target, attr) def __setattr__(self, attr, value): if attr != "_StyleProxy__target": raise AttributeError("Style objects are immutable and cannot be changed." "Reassign the style with a copy") super(StyleProxy, self).__setattr__(attr, value) def __copy__(self): """ Return a copy of the proxied object. """ return copy(self.__target) def __add__(self, other): """ Add proxied object to another instance and return the combined object """ return self.__target + other
[docs] @deprecated("Use copy(obj) or cell.obj = cell.obj + other") def copy(self, **kw): """Return a copy of the proxied object. Keyword args will be passed through""" cp = copy(self.__target) for k, v in kw.items(): setattr(cp, k, v) return cp
def __eq__(self, other): return self.__target == other def __ne__(self, other): return not self == other