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annotate roundup/backends/__init__.py @ 1244:8dd4f736370b

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merge from maintenance branch
author Richard Jones <richard@users.sourceforge.net>
date Thu, 03 Oct 2002 06:56:30 +0000
parents 268a443067fb
children 6c24a86a12ae
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1 #
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2 # Copyright (c) 2001 Bizar Software Pty Ltd (http://www.bizarsoftware.com.au/)
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3 # This module is free software, and you may redistribute it and/or modify
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4 # under the same terms as Python, so long as this copyright message and
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5 # disclaimer are retained in their original form.
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6 #
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7 # IN NO EVENT SHALL BIZAR SOFTWARE PTY LTD BE LIABLE TO ANY PARTY FOR
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8 # DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING
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9 # OUT OF THE USE OF THIS CODE, EVEN IF THE AUTHOR HAS BEEN ADVISED OF THE
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10 # POSSIBILITY OF SUCH DAMAGE.
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11 #
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12 # BIZAR SOFTWARE PTY LTD SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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13 # BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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14 # FOR A PARTICULAR PURPOSE. THE CODE PROVIDED HEREUNDER IS ON AN "AS IS"
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15 # BASIS, AND THERE IS NO OBLIGATION WHATSOEVER TO PROVIDE MAINTENANCE,
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16 # SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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17 #
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18 # $Id: __init__.py,v 1.19 2002-10-03 06:56:29 richard Exp $
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19
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20 ''' Container for the hyperdb storage backend implementations.
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21
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22 The __all__ variable is constructed containing only the backends which are
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23 available.
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24 '''
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25
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26 __all__ = []
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27
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28 try:
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29 import sys, anydbm
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30 if not hasattr(sys, 'version_info') or sys.version_info < (2,1,2):
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31 import dumbdbm
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32 # dumbdbm only works in python 2.1.2+
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33 assert anydbm._defaultmod != dumbdbm
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34 del anydbm
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35 del dumbdbm
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36 except AssertionError:
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37 print "WARNING: you should upgrade to python 2.1.3"
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38 except ImportError, message:
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39 if str(message) != 'No module named anydbm': raise
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40 else:
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41 import back_anydbm
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42 anydbm = back_anydbm
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43 __all__.append('anydbm')
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44
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45 try:
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46 import gadfly
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47 import gadfly.client
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48 except ImportError, message:
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49 if str(message) != 'No module named gadfly': raise
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50 else:
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51 import back_gadfly
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52 gadfly = back_gadfly
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53 __all__.append('gadfly')
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54
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55 try:
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56 import sqlite
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57 except ImportError, message:
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58 if str(message) != 'No module named sqlite': raise
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59 else:
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60 import back_sqlite
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61 sqlite = back_sqlite
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62 __all__.append('sqlite')
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63
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64 try:
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65 import bsddb
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66 except ImportError, message:
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67 if str(message) != 'No module named bsddb': raise
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68 else:
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69 import back_bsddb
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70 bsddb = back_bsddb
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71 __all__.append('bsddb')
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72
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73 try:
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74 import bsddb3
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75 except ImportError, message:
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76 if str(message) != 'No module named bsddb3': raise
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77 else:
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78 import back_bsddb3
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79 bsddb3 = back_bsddb3
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80 __all__.append('bsddb3')
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81
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82 try:
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83 import metakit
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84 except ImportError, message:
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85 if str(message) != 'No module named metakit': raise
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86 else:
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87 import back_metakit
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88 metakit = back_metakit
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89 __all__.append('metakit')
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90
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91 # vim: set filetype=python ts=4 sw=4 et si
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