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@@ -25,7 +25,7 b' Rich display' | |||||
25 | ============ |
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25 | ============ | |
26 |
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26 | |||
27 | The notebook and the Qt console can display richer representations of objects. |
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27 | The notebook and the Qt console can display richer representations of objects. | |
28 | To use this, you can define any number of ``_repr_*_()`` methods. Note that |
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28 | To use this, you can define any of a number of ``_repr_*_()`` methods. Note that | |
29 | these are surrounded by single, not double underscores. |
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29 | these are surrounded by single, not double underscores. | |
30 |
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30 | |||
31 | Both the notebook and the Qt console can display ``svg``, ``png`` and ``jpeg`` |
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31 | Both the notebook and the Qt console can display ``svg``, ``png`` and ``jpeg`` | |
@@ -43,11 +43,11 b' For example::' | |||||
43 | return "<h1>" + self.text + "</h1>" |
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43 | return "<h1>" + self.text + "</h1>" | |
44 |
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44 | |||
45 | We often want to provide frontends with guidance on how to display the data. To |
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45 | We often want to provide frontends with guidance on how to display the data. To | |
46 |
support this, ``_repr_*_()`` methods can also return a data, metadata |
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46 | support this, ``_repr_*_()`` methods can also return a ``(data, metadata)`` | |
47 |
metadata is a dictionary containing arbitrary key |
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47 | tuple where ``metadata`` is a dictionary containing arbitrary key-value pairs for | |
48 |
to interpret. An example use case is ``_repr_jpeg()``, which can |
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48 | the frontend to interpret. An example use case is ``_repr_jpeg_()``, which can | |
49 |
return a jpeg image and a ``{'height': 400, 'width': 600}`` dictionary |
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49 | be set to return a jpeg image and a ``{'height': 400, 'width': 600}`` dictionary | |
50 | the frontend how to size the image. |
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50 | to inform the frontend how to size the image. | |
51 |
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51 | |||
52 | There are also two more powerful display methods: |
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52 | There are also two more powerful display methods: | |
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53 |
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