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Type annotations: Image.py: Initial annotation for expression analyzer.
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@ -489,21 +489,26 @@ def _getencoder(mode, encoder_name, args, extra=()):
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# Simple expression analyzer
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def coerce_e(value):
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# type: (Any) -> _E ## FIXME TYPING: As detailed as possible?
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return value if isinstance(value, _E) else _E(value)
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class _E(object):
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def __init__(self, data):
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# type: (Any) -> None ## FIXME TYPING: As detailed as possible?
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self.data = data
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def __add__(self, other):
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# type: (Any) -> _E ## FIXME TYPING: As detailed as possible?
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return _E((self.data, "__add__", coerce_e(other).data))
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def __mul__(self, other):
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# type: (Any) -> _E ## FIXME TYPING: As detailed as possible?
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return _E((self.data, "__mul__", coerce_e(other).data))
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def _getscaleoffset(expr):
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# type: (Any) -> Tuple[Any, Any] ## FIXME TYPING: Can be improved?
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stub = ["stub"]
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data = expr(_E(stub)).data
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try:
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