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  2. <!doctype html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
    3. 

  3. <html><head><title>Python: storage</title>
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  4. </head><body bgcolor="#f0f0f8">
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  5. 

  6. <table width="100%" cellspacing=0 cellpadding=2 border=0 summary="heading">
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  7. <tr bgcolor="#7799ee">
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  8. <td valign=bottom>&nbsp;<br>
    9. 

  9. <font color="#ffffff" face="helvetica, arial">&nbsp;<br><big><big><strong>storage</strong></big></big></font></td
    10. 

  10. ><td align=right valign=bottom
    11. 

  11. ><font color="#ffffff" face="helvetica, arial"><a href=".">index</a><br>(built-in)</font></td></tr></table>
    12. 

  12.     <p><tt>The&nbsp;storage&nbsp;module&nbsp;allows&nbsp;users&nbsp;to&nbsp;save&nbsp;information&nbsp;to&nbsp;disk&nbsp;as&nbsp;key:value<br>
    13. 

  13. pairs&nbsp;without&nbsp;having&nbsp;to&nbsp;interact&nbsp;with&nbsp;files&nbsp;directly.&nbsp;This&nbsp;module&nbsp;gives<br>
    14. 

  14. users&nbsp;access&nbsp;to&nbsp;two&nbsp;classes:&nbsp;StorageSets&nbsp;and&nbsp;StorageLists.&nbsp;Sets&nbsp;match<br>
    15. 

  15. keys&nbsp;to&nbsp;values.&nbsp;Lists&nbsp;hold&nbsp;multiple&nbsp;sets.</tt></p>
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  16. <p>
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  17. <table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
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  18. <tr bgcolor="#ee77aa">
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  19. <td colspan=3 valign=bottom>&nbsp;<br>
    20. 

  20. <font color="#ffffff" face="helvetica, arial"><big><strong>Classes</strong></big></font></td></tr>
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  21.     
    22. 

  22. <tr><td bgcolor="#ee77aa"><tt>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</tt></td><td>&nbsp;</td>
    23. 

  23. <td width="100%"><dl>
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  24. <dt><font face="helvetica, arial"><a href="__builtin__.html#object">__builtin__.object</a>
    25. 

  25. </font></dt><dd>
    26. 

  26. <dl>
    27. 

  27. <dt><font face="helvetica, arial"><a href="storage.html#StorageList">StorageList</a>
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  28. </font></dt><dt><font face="helvetica, arial"><a href="storage.html#StorageSet">StorageSet</a>
    29. 

  29. </font></dt></dl>
    30. 

  30. </dd>
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  31. </dl>
    32. 

  32.  <p>
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  33. <table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
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  34. <tr bgcolor="#ffc8d8">
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  35. <td colspan=3 valign=bottom>&nbsp;<br>
    36. 

  36. <font color="#000000" face="helvetica, arial"><a name="StorageList">class <strong>StorageList</strong></a>(<a href="__builtin__.html#object">__builtin__.object</a>)</font></td></tr>
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  37.     
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  38. <tr bgcolor="#ffc8d8"><td rowspan=2><tt>&nbsp;&nbsp;&nbsp;</tt></td>
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  39. <td colspan=2><tt><a href="#StorageList-__init__">__init__</a>(self,&nbsp;list=None)<br>
    40. 

  40. &nbsp;<br>
    41. 

  41. Create&nbsp;a&nbsp;new&nbsp;storage&nbsp;list.&nbsp;A&nbsp;Python&nbsp;list&nbsp;of&nbsp;storage&nbsp;sets&nbsp;may&nbsp;be<br>
    42. 

  42. supplied,&nbsp;from&nbsp;which&nbsp;to&nbsp;build&nbsp;the&nbsp;storage&nbsp;list.<br>&nbsp;</tt></td></tr>
    43. 

  43. <tr><td>&nbsp;</td>
    44. 

  44. <td width="100%">Methods defined here:<br>
    45. 

  45. <dl><dt><a name="StorageList-__init__"><strong>__init__</strong></a>(...)</dt><dd><tt>x.<a href="#StorageList-__init__">__init__</a>(...)&nbsp;initializes&nbsp;x;&nbsp;see&nbsp;x.__class__.__doc__&nbsp;for&nbsp;signature</tt></dd></dl>
    46. 

  46. 

  47. <dl><dt><a name="StorageList-add"><strong>add</strong></a>(...)</dt><dd><tt><a href="#StorageList-add">add</a>(storage_set)<br>
    48. 

  48. &nbsp;<br>
    49. 

  49. Append&nbsp;a&nbsp;new&nbsp;storage&nbsp;set&nbsp;to&nbsp;the&nbsp;storage&nbsp;list.</tt></dd></dl>
    50. 

  50. 

  51. <dl><dt><a name="StorageList-sets"><strong>sets</strong></a>(...)</dt><dd><tt><a href="#StorageList-sets">sets</a>()<br>
    52. 

  52. &nbsp;<br>
    53. 

  53. Returns&nbsp;a&nbsp;python&nbsp;list&nbsp;of&nbsp;all&nbsp;the&nbsp;sets&nbsp;in&nbsp;the&nbsp;storage&nbsp;list.</tt></dd></dl>
    54. 

  54. 

  55. <hr>
    56. 

  56. Data and other attributes defined here:<br>
    57. 

  57. <dl><dt><strong>__new__</strong> = &lt;built-in method __new__ of type object at 0x6fca0&gt;<dd><tt>T.<a href="#StorageList-__new__">__new__</a>(S,&nbsp;...)&nbsp;-&gt;&nbsp;a&nbsp;new&nbsp;<a href="__builtin__.html#object">object</a>&nbsp;with&nbsp;type&nbsp;S,&nbsp;a&nbsp;subtype&nbsp;of&nbsp;T</tt></dl>
    58. 

  58. 

  59. </td></tr></table> <p>
    60. 

  60. <table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
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  61. <tr bgcolor="#ffc8d8">
    62. 

  62. <td colspan=3 valign=bottom>&nbsp;<br>
    63. 

  63. <font color="#000000" face="helvetica, arial"><a name="StorageSet">class <strong>StorageSet</strong></a>(<a href="__builtin__.html#object">__builtin__.object</a>)</font></td></tr>
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  64.     
    65. 

  65. <tr bgcolor="#ffc8d8"><td rowspan=2><tt>&nbsp;&nbsp;&nbsp;</tt></td>
    66. 

  66. <td colspan=2><tt><a href="#StorageSet-__init__">__init__</a>(self,&nbsp;filename=None)<br>
    67. 

  67. &nbsp;<br>
    68. 

  68. Create&nbsp;a&nbsp;new&nbsp;storage&nbsp;set.&nbsp;If&nbsp;a&nbsp;file&nbsp;name&nbsp;is&nbsp;supplied,&nbsp;read&nbsp;a&nbsp;storage&nbsp;set<br>
    69. 

  69. in&nbsp;from&nbsp;the&nbsp;specified&nbsp;file.<br>&nbsp;</tt></td></tr>
    70. 

  70. <tr><td>&nbsp;</td>
    71. 

  71. <td width="100%">Methods defined here:<br>
    72. 

  72. <dl><dt><a name="StorageSet-__contains__"><strong>__contains__</strong></a>(...)</dt><dd><tt><a href="#StorageSet-__contains__">__contains__</a>(name)&nbsp;&lt;==&gt;&nbsp;name&nbsp;in&nbsp;self</tt></dd></dl>
    73. 

  73. 

  74. <dl><dt><a name="StorageSet-__init__"><strong>__init__</strong></a>(...)</dt><dd><tt>x.<a href="#StorageSet-__init__">__init__</a>(...)&nbsp;initializes&nbsp;x;&nbsp;see&nbsp;x.__class__.__doc__&nbsp;for&nbsp;signature</tt></dd></dl>
    75. 

  75. 

  76. <dl><dt><a name="StorageSet-close"><strong>close</strong></a>(...)</dt><dd><tt><a href="#StorageSet-close">close</a>()<br>
    77. 

  77. &nbsp;<br>
    78. 

  78. Recursively&nbsp;close&nbsp;a&nbsp;storage&nbsp;set&nbsp;and&nbsp;all&nbsp;of&nbsp;its&nbsp;children&nbsp;sets&nbsp;and&nbsp;lists.<br>
    79. 

  79. MUST&nbsp;be&nbsp;called&nbsp;when&nbsp;the&nbsp;storage&nbsp;set&nbsp;has&nbsp;finished&nbsp;being&nbsp;used.&nbsp;Garbage<br>
    80. 

  80. collection&nbsp;will&nbsp;not&nbsp;delete&nbsp;the&nbsp;set.</tt></dd></dl>
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  81. 

  82. <dl><dt><a name="StorageSet-contains"><strong>contains</strong></a>(...)</dt><dd><tt><a href="#StorageSet-contains">contains</a>(name)<br>
    83. 

  83. &nbsp;<br>
    84. 

  84. Returns&nbsp;True&nbsp;or&nbsp;False&nbsp;if&nbsp;the&nbsp;set&nbsp;contains&nbsp;an&nbsp;entry&nbsp;by&nbsp;the&nbsp;given&nbsp;name.</tt></dd></dl>
    85. 

  85. 

  86. <dl><dt><a name="StorageSet-readBool"><strong>readBool</strong></a>(...)</dt><dd><tt>Same&nbsp;as&nbsp;readString,&nbsp;for&nbsp;booleans.&nbsp;Returns&nbsp;False&nbsp;if&nbsp;entry&nbsp;does&nbsp;not&nbsp;exist.</tt></dd></dl>
    87. 

  87. 

  88. <dl><dt><a name="StorageSet-readDouble"><strong>readDouble</strong></a>(...)</dt><dd><tt>Same&nbsp;as&nbsp;readString,&nbsp;for&nbsp;floating&nbsp;points.&nbsp;Returns&nbsp;0&nbsp;if&nbsp;entry&nbsp;does&nbsp;not&nbsp;exist..</tt></dd></dl>
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  89. 

  90. <dl><dt><a name="StorageSet-readInt"><strong>readInt</strong></a>(...)</dt><dd><tt>Same&nbsp;as&nbsp;readString,&nbsp;for&nbsp;integers.&nbsp;Returns&nbsp;0&nbsp;if&nbsp;entry&nbsp;does&nbsp;not&nbsp;exist.</tt></dd></dl>
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  91. 

  92. <dl><dt><a name="StorageSet-readList"><strong>readList</strong></a>(...)</dt><dd><tt>Same&nbsp;as&nbsp;readString,&nbsp;for&nbsp;storage&nbsp;lists.&nbsp;Returns&nbsp;an&nbsp;empty&nbsp;storage&nbsp;list<br>
    93. 

  93. if&nbsp;entry&nbsp;does&nbsp;not&nbsp;exist.</tt></dd></dl>
    94. 

  94. 

  95. <dl><dt><a name="StorageSet-readSet"><strong>readSet</strong></a>(...)</dt><dd><tt>Same&nbsp;as&nbsp;readString,&nbsp;for&nbsp;storage&nbsp;sets.&nbsp;Returns&nbsp;an&nbsp;empty&nbsp;set&nbsp;if&nbsp;entry<br>
    96. 

  96. does&nbsp;not&nbsp;exist.</tt></dd></dl>
    97. 

  97. 

  98. <dl><dt><a name="StorageSet-readString"><strong>readString</strong></a>(...)</dt><dd><tt><a href="#StorageSet-readString">readString</a>(name)<br>
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  99. &nbsp;<br>
    100. 

  100. Read&nbsp;a&nbsp;string&nbsp;value&nbsp;from&nbsp;the&nbsp;storage&nbsp;set.&nbsp;Return&nbsp;empty&nbsp;string&nbsp;if&nbsp;the<br>
    101. 

  101. storage&nbsp;set&nbsp;does&nbsp;not&nbsp;contain&nbsp;an&nbsp;entry&nbsp;by&nbsp;the&nbsp;given&nbsp;name.</tt></dd></dl>
    102. 

  102. 

  103. <dl><dt><a name="StorageSet-storeBool"><strong>storeBool</strong></a>(...)</dt><dd><tt>Same&nbsp;as&nbsp;storeString,&nbsp;for&nbsp;boolean&nbsp;values.</tt></dd></dl>
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  104. 

  105. <dl><dt><a name="StorageSet-storeDouble"><strong>storeDouble</strong></a>(...)</dt><dd><tt>Same&nbsp;as&nbsp;storeString,&nbsp;for&nbsp;floating&nbsp;point&nbsp;values.</tt></dd></dl>
    106. 

  106. 

  107. <dl><dt><a name="StorageSet-storeInt"><strong>storeInt</strong></a>(...)</dt><dd><tt>Same&nbsp;as&nbsp;storeString,&nbsp;for&nbsp;integers.</tt></dd></dl>
    108. 

  108. 

  109. <dl><dt><a name="StorageSet-storeList"><strong>storeList</strong></a>(...)</dt><dd><tt>Same&nbsp;as&nbsp;storeString,&nbsp;for&nbsp;storage&nbsp;lists.</tt></dd></dl>
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  110. 

  111. <dl><dt><a name="StorageSet-storeSet"><strong>storeSet</strong></a>(...)</dt><dd><tt>Same&nbsp;as&nbsp;storeString,&nbsp;for&nbsp;storage&nbsp;sets.</tt></dd></dl>
    112. 

  112. 

  113. <dl><dt><a name="StorageSet-storeString"><strong>storeString</strong></a>(...)</dt><dd><tt><a href="#StorageSet-storeString">storeString</a>(name,&nbsp;val)<br>
    114. 

  114. &nbsp;<br>
    115. 

  115. Store&nbsp;a&nbsp;string&nbsp;value&nbsp;in&nbsp;the&nbsp;storage&nbsp;set.</tt></dd></dl>
    116. 

  116. 

  117. <dl><dt><a name="StorageSet-write"><strong>write</strong></a>(...)</dt><dd><tt><a href="#StorageSet-write">write</a>(filename)<br>
    118. 

  118. &nbsp;<br>
    119. 

  119. Write&nbsp;the&nbsp;contents&nbsp;of&nbsp;a&nbsp;storage&nbsp;set&nbsp;to&nbsp;the&nbsp;specified&nbsp;file&nbsp;name.</tt></dd></dl>
    120. 

  120. 

  121. <hr>
    122. 

  122. Data and other attributes defined here:<br>
    123. 

  123. <dl><dt><strong>__new__</strong> = &lt;built-in method __new__ of type object at 0x6fac0&gt;<dd><tt>T.<a href="#StorageSet-__new__">__new__</a>(S,&nbsp;...)&nbsp;-&gt;&nbsp;a&nbsp;new&nbsp;<a href="__builtin__.html#object">object</a>&nbsp;with&nbsp;type&nbsp;S,&nbsp;a&nbsp;subtype&nbsp;of&nbsp;T</tt></dl>
    124. 

  124. 

  125. </td></tr></table></td></tr></table>
    126. 

  126. </body></html>
    127.