benbaror /
ne2001
| Conditions | 13 |
| Total Lines | 23 |
| Lines | 0 |
| Ratio | 0 % |
| Changes | 1 | ||
| Bugs | 0 | Features | 0 |
Complex classes like test() often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
| 1 | from ne2001.utils import Class_Operation |
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| 12 | def test(): |
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| 13 | f1 = Foo(lambda x: 2*x, 1) |
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| 14 | f2 = Foo(lambda x: x**2, 2) |
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| 15 | |||
| 16 | f = f1 + f2 |
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| 17 | assert f.x == f1.x + f2.x |
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| 18 | assert f.func(3) == f1.func(3) + f2.func(3) |
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| 19 | |||
| 20 | f = f1 - f2 |
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| 21 | assert f.x == f1.x - f2.x |
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| 22 | assert f.func(3) == f1.func(3) - f2.func(3) |
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| 23 | |||
| 24 | f = f1 + f2 |
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| 25 | assert f.x == f1.x + f2.x |
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| 26 | assert f.func(3) == f1.func(3) + f2.func(3) |
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| 27 | |||
| 28 | f = f1 * f2 |
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| 29 | assert f.x == f1.x * f2.x |
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| 30 | assert f.func(3) == f1.func(3) * f2.func(3) |
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| 31 | |||
| 32 | f = max(f1, f2) |
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| 33 | assert f.x == max(f1.x, f2.x) |
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| 34 | assert f.func(3) == max(f1.func(3), f2.func(3)) |
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| 35 |
