本文整理汇总了Python中builtins.eval方法的典型用法代码示例。如果您正苦于以下问题:Python builtins.eval方法的具体用法?Python builtins.eval怎么用?Python builtins.eval使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类builtins
的用法示例。
在下文中一共展示了builtins.eval方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: eval
# 需要导入模块: import builtins [as 别名]
# 或者: from builtins import eval [as 别名]
def eval(expression, _dict={}, **kw):
"""
Evaluates an image expression.
:param expression: A string containing a Python-style expression.
:param options: Values to add to the evaluation context. You
can either use a dictionary, or one or more keyword
arguments.
:return: The evaluated expression. This is usually an image object, but can
also be an integer, a floating point value, or a pixel tuple,
depending on the expression.
"""
# build execution namespace
args = ops.copy()
args.update(_dict)
args.update(kw)
for k, v in list(args.items()):
if hasattr(v, "im"):
args[k] = _Operand(v)
out = builtins.eval(expression, args)
try:
return out.im
except AttributeError:
return out