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| 1 # Copyright (c) 2006-2009 Mitch Garnaat http://garnaat.org/ |
| 2 # |
| 3 # Permission is hereby granted, free of charge, to any person obtaining a |
| 4 # copy of this software and associated documentation files (the |
| 5 # "Software"), to deal in the Software without restriction, including |
| 6 # without limitation the rights to use, copy, modify, merge, publish, dis- |
| 7 # tribute, sublicense, and/or sell copies of the Software, and to permit |
| 8 # persons to whom the Software is furnished to do so, subject to the fol- |
| 9 # lowing conditions: |
| 10 # |
| 11 # The above copyright notice and this permission notice shall be included |
| 12 # in all copies or substantial portions of the Software. |
| 13 # |
| 14 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| 15 # OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL- |
| 16 # ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT |
| 17 # SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| 18 # WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 19 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| 20 # IN THE SOFTWARE. |
| 21 |
| 22 |
| 23 def get(prop, choices=None): |
| 24 prompt = prop.verbose_name |
| 25 if not prompt: |
| 26 prompt = prop.name |
| 27 if choices: |
| 28 if callable(choices): |
| 29 choices = choices() |
| 30 else: |
| 31 choices = prop.get_choices() |
| 32 valid = False |
| 33 while not valid: |
| 34 if choices: |
| 35 min = 1 |
| 36 max = len(choices) |
| 37 for i in range(min, max+1): |
| 38 value = choices[i-1] |
| 39 if isinstance(value, tuple): |
| 40 value = value[0] |
| 41 print '[%d] %s' % (i, value) |
| 42 value = raw_input('%s [%d-%d]: ' % (prompt, min, max)) |
| 43 try: |
| 44 int_value = int(value) |
| 45 value = choices[int_value-1] |
| 46 if isinstance(value, tuple): |
| 47 value = value[1] |
| 48 valid = True |
| 49 except ValueError: |
| 50 print '%s is not a valid choice' % value |
| 51 except IndexError: |
| 52 print '%s is not within the range[%d-%d]' % (min, max) |
| 53 else: |
| 54 value = raw_input('%s: ' % prompt) |
| 55 try: |
| 56 value = prop.validate(value) |
| 57 if prop.empty(value) and prop.required: |
| 58 print 'A value is required' |
| 59 else: |
| 60 valid = True |
| 61 except: |
| 62 print 'Invalid value: %s' % value |
| 63 return value |
| 64 |
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