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annotate roundup/backends/__init__.py @ 1496:e6ac4e074acb

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relaxed CVS importing (feature [SF#693277])
author Richard Jones <richard@users.sourceforge.net>
date Thu, 06 Mar 2003 07:33:29 +0000
parents 4884fb0860f9
children 96cd422532ef
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 1.21 2003-01-12 23:53:19 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 client':
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50 # don't keep the old gadfly around
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51 del gadfly
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52 elif str(message) != 'No module named gadfly':
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53 raise
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54 else:
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55 import back_gadfly
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56 gadfly = back_gadfly
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57 __all__.append('gadfly')
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58
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59 try:
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60 import MySQLdb
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61 except ImportError, message:
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62 if str(message) != 'No module named MySQLdb': raise
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63 else:
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64 import back_mysql
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65 mysql = back_mysql
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66 __all__.append('mysql')
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67
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68 try:
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69 import sqlite
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70 except ImportError, message:
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71 if str(message) != 'No module named sqlite': raise
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72 else:
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73 import back_sqlite
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74 sqlite = back_sqlite
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75 __all__.append('sqlite')
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76
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77 try:
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78 import bsddb
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79 except ImportError, message:
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80 if str(message) != 'No module named bsddb': raise
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81 else:
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82 import back_bsddb
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83 bsddb = back_bsddb
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84 __all__.append('bsddb')
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85
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86 try:
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87 import bsddb3
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88 except ImportError, message:
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89 if str(message) != 'No module named bsddb3': raise
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90 else:
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91 import back_bsddb3
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92 bsddb3 = back_bsddb3
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93 __all__.append('bsddb3')
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94
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95 try:
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96 import metakit
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97 except ImportError, message:
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98 if str(message) != 'No module named metakit': raise
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99 else:
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100 import back_metakit
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101 metakit = back_metakit
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102 __all__.append('metakit')
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103
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104 # vim: set filetype=python ts=4 sw=4 et si
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