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@@ -1,36 +1,43 b'' | |||||
1 | # encoding: utf-8 |
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1 | # encoding: utf-8 | |
2 | """ |
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2 | """ | |
3 | A simple utility to import something by its string name. |
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3 | A simple utility to import something by its string name. | |
4 |
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4 | |||
5 | Authors: |
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5 | Authors: | |
6 |
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6 | |||
7 | * Brian Granger |
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7 | * Brian Granger | |
8 | """ |
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8 | """ | |
9 |
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9 | |||
10 | #----------------------------------------------------------------------------- |
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10 | #----------------------------------------------------------------------------- | |
11 | # Copyright (C) 2008-2009 The IPython Development Team |
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11 | # Copyright (C) 2008-2009 The IPython Development Team | |
12 | # |
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12 | # | |
13 | # Distributed under the terms of the BSD License. The full license is in |
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13 | # Distributed under the terms of the BSD License. The full license is in | |
14 | # the file COPYING, distributed as part of this software. |
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14 | # the file COPYING, distributed as part of this software. | |
15 | #----------------------------------------------------------------------------- |
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15 | #----------------------------------------------------------------------------- | |
16 |
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16 | |||
17 | #----------------------------------------------------------------------------- |
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17 | #----------------------------------------------------------------------------- | |
18 | # Functions and classes |
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18 | # Functions and classes | |
19 | #----------------------------------------------------------------------------- |
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19 | #----------------------------------------------------------------------------- | |
20 |
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20 | |||
21 | def import_item(name): |
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21 | def import_item(name): | |
22 | """Import and return bar given the string foo.bar.""" |
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22 | """Import and return bar given the string foo.bar.""" | |
23 | package = '.'.join(name.split('.')[0:-1]) |
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23 | package = '.'.join(name.split('.')[0:-1]) | |
24 | obj = name.split('.')[-1] |
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24 | obj = name.split('.')[-1] | |
25 | # execString = 'from %s import %s' % (package, obj) |
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25 | ||
26 | # try: |
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26 | # Note: the original code for this was the following. We've left it | |
27 | # exec execString |
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27 | # visible for now in case the new implementation shows any problems down | |
28 | # except SyntaxError: |
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28 | # the road, to make it easier on anyone looking for a problem. This code | |
29 | # raise ImportError("Invalid class specification: %s" % name) |
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29 | # should be removed once we're comfortable we didn't break anything. | |
30 | # exec 'temp = %s' % obj |
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30 | ||
31 | # return temp |
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31 | ## execString = 'from %s import %s' % (package, obj) | |
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32 | ## try: | |||
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33 | ## exec execString | |||
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34 | ## except SyntaxError: | |||
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35 | ## raise ImportError("Invalid class specification: %s" % name) | |||
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36 | ## exec 'temp = %s' % obj | |||
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37 | ## return temp | |||
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38 | ||||
32 | if package: |
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39 | if package: | |
33 | module = __import__(package,fromlist=[obj]) |
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40 | module = __import__(package,fromlist=[obj]) | |
34 | return module.__dict__[obj] |
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41 | return module.__dict__[obj] | |
35 | else: |
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42 | else: | |
36 | return __import__(obj) |
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43 | return __import__(obj) |
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