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- from contextlib import contextmanager
- @contextmanager
- def monkeypatch(obj, attribute_name, new_value):
- """
- Like pytest's monkeypatch, but as a value manager.
- """
- old_value = getattr(obj, attribute_name)
- try:
- setattr(obj, attribute_name, new_value)
- yield
- finally:
- setattr(obj, attribute_name, old_value)
- def indent_block(text, indention=' '):
- """This function indents a text block with a default of four spaces."""
- temp = ''
- while text and text[-1] == '\n':
- temp += text[-1]
- text = text[:-1]
- lines = text.split('\n')
- return '\n'.join(map(lambda s: indention + s, lines)) + temp
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