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18 lines
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18 lines
1010 B
Plaintext
Grouch is a system for describing and enforcing a Python object schema.
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That is, it provides you with a language for describing the intended type
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signatures of your objects (collectively, the "object schema"), and tools
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to walk an object graph, checking that every value found matches your
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object schema.
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An object schema describes every class in a collection of objects -- in
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particular, it specifies the type of every instance attribute of every
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class. Grouch includes a type language for specifying attribute types, a
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tool to parse specially-formatted class docstrings and output a complete
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object schema, and another tool for walking a persistent object graph and
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ensuring that every scrap of data in it conforms to the object schema
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extracted from your class docstrings. The API for defining, querying, and
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enforcing types is fairly complete and well-documented, so you can use
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Grouch's type system in other ways as well.
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WWW: http://www.mems-exchange.org/software/grouch/
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