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1 | from IPython.ipapi import TryNext |
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1 | from IPython.ipapi import TryNext | |
2 | from IPython.external.simplegeneric import generic |
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2 | from IPython.external.simplegeneric import generic | |
3 |
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3 | |||
4 | ''' 'Generic' functions for extending IPython |
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4 | ''' 'Generic' functions for extending IPython | |
5 |
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5 | |||
6 | See http://cheeseshop.python.org/pypi/simplegeneric |
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6 | See http://cheeseshop.python.org/pypi/simplegeneric | |
7 |
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7 | |||
8 | Here's an example from genutils.py: |
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8 | Here's an example from genutils.py: | |
9 |
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9 | |||
10 | def print_lsstring(arg): |
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10 | def print_lsstring(arg): | |
11 | """ Prettier (non-repr-like) and more informative printer for LSString """ |
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11 | """ Prettier (non-repr-like) and more informative printer for LSString """ | |
12 | print "LSString (.p, .n, .l, .s available). Value:" |
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12 | print "LSString (.p, .n, .l, .s available). Value:" | |
13 | print arg |
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13 | print arg | |
14 |
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14 | |||
15 | print_lsstring = result_display.when_type(LSString)(print_lsstring) |
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15 | print_lsstring = result_display.when_type(LSString)(print_lsstring) | |
16 |
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16 | |||
17 | (Yes, the nasty syntax is for python 2.3 compatibility. Your own extensions |
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17 | (Yes, the nasty syntax is for python 2.3 compatibility. Your own extensions | |
18 | can use the niftier decorator syntax) |
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18 | can use the niftier decorator syntax) | |
19 |
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19 | |||
20 | ''' |
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20 | ''' | |
21 |
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21 | |||
22 | @generic |
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23 | def result_display(result): |
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22 | def result_display(result): | |
24 | """ print the result of computation """ |
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23 | """ print the result of computation """ | |
25 | raise TryNext |
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24 | raise TryNext | |
26 |
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25 | |||
27 | result_display = generic(result_display) |
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26 | result_display = generic(result_display) | |
28 |
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27 |
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