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29 lines
920 B
Python
29 lines
920 B
Python
def indent(func):
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"""
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Decorator for allowing to use method as normal method or with
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context manager for auto-indenting code blocks.
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"""
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def wrapper(self, line, *args, optimize=True, **kwds):
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last_line = self._indent_last_line
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line = func(self, line, *args, **kwds)
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# When two blocks have the same condition (such as value has to be dict),
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# do the check only once and keep it under one block.
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if optimize and last_line == line:
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self._code.pop()
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self._indent_last_line = line
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return Indent(self, line)
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return wrapper
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class Indent:
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def __init__(self, instance, line):
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self.instance = instance
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self.line = line
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def __enter__(self):
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self.instance._indent += 1
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def __exit__(self, type_, value, traceback):
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self.instance._indent -= 1
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self.instance._indent_last_line = self.line
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