dbobj.py 11 KB

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  1. #-------------------------------------------------------------------------
  2. # This file contains real Python object wrappers for DB and DBEnv
  3. # C "objects" that can be usefully subclassed. The previous SWIG
  4. # based interface allowed this thanks to SWIG's shadow classes.
  5. # -- Gregory P. Smith
  6. #-------------------------------------------------------------------------
  7. #
  8. # (C) Copyright 2001 Autonomous Zone Industries
  9. #
  10. # License: This is free software. You may use this software for any
  11. # purpose including modification/redistribution, so long as
  12. # this header remains intact and that you do not claim any
  13. # rights of ownership or authorship of this software. This
  14. # software has been tested, but no warranty is expressed or
  15. # implied.
  16. #
  17. #
  18. # TODO it would be *really nice* to have an automatic shadow class populator
  19. # so that new methods don't need to be added here manually after being
  20. # added to _bsddb.c.
  21. #
  22. import sys
  23. absolute_import = (sys.version_info[0] >= 3)
  24. if absolute_import :
  25. # Because this syntaxis is not valid before Python 2.5
  26. exec("from . import db")
  27. else :
  28. import db
  29. if sys.version_info < (2, 6) :
  30. from UserDict import DictMixin as MutableMapping
  31. else :
  32. import collections
  33. MutableMapping = collections.MutableMapping
  34. class DBEnv:
  35. def __init__(self, *args, **kwargs):
  36. self._cobj = db.DBEnv(*args, **kwargs)
  37. def close(self, *args, **kwargs):
  38. return self._cobj.close(*args, **kwargs)
  39. def open(self, *args, **kwargs):
  40. return self._cobj.open(*args, **kwargs)
  41. def remove(self, *args, **kwargs):
  42. return self._cobj.remove(*args, **kwargs)
  43. def set_shm_key(self, *args, **kwargs):
  44. return self._cobj.set_shm_key(*args, **kwargs)
  45. def set_cachesize(self, *args, **kwargs):
  46. return self._cobj.set_cachesize(*args, **kwargs)
  47. def set_data_dir(self, *args, **kwargs):
  48. return self._cobj.set_data_dir(*args, **kwargs)
  49. def set_flags(self, *args, **kwargs):
  50. return self._cobj.set_flags(*args, **kwargs)
  51. def set_lg_bsize(self, *args, **kwargs):
  52. return self._cobj.set_lg_bsize(*args, **kwargs)
  53. def set_lg_dir(self, *args, **kwargs):
  54. return self._cobj.set_lg_dir(*args, **kwargs)
  55. def set_lg_max(self, *args, **kwargs):
  56. return self._cobj.set_lg_max(*args, **kwargs)
  57. def set_lk_detect(self, *args, **kwargs):
  58. return self._cobj.set_lk_detect(*args, **kwargs)
  59. if db.version() < (4,5):
  60. def set_lk_max(self, *args, **kwargs):
  61. return self._cobj.set_lk_max(*args, **kwargs)
  62. def set_lk_max_locks(self, *args, **kwargs):
  63. return self._cobj.set_lk_max_locks(*args, **kwargs)
  64. def set_lk_max_lockers(self, *args, **kwargs):
  65. return self._cobj.set_lk_max_lockers(*args, **kwargs)
  66. def set_lk_max_objects(self, *args, **kwargs):
  67. return self._cobj.set_lk_max_objects(*args, **kwargs)
  68. def set_mp_mmapsize(self, *args, **kwargs):
  69. return self._cobj.set_mp_mmapsize(*args, **kwargs)
  70. def set_timeout(self, *args, **kwargs):
  71. return self._cobj.set_timeout(*args, **kwargs)
  72. def set_tmp_dir(self, *args, **kwargs):
  73. return self._cobj.set_tmp_dir(*args, **kwargs)
  74. def txn_begin(self, *args, **kwargs):
  75. return self._cobj.txn_begin(*args, **kwargs)
  76. def txn_checkpoint(self, *args, **kwargs):
  77. return self._cobj.txn_checkpoint(*args, **kwargs)
  78. def txn_stat(self, *args, **kwargs):
  79. return self._cobj.txn_stat(*args, **kwargs)
  80. def set_tx_max(self, *args, **kwargs):
  81. return self._cobj.set_tx_max(*args, **kwargs)
  82. def set_tx_timestamp(self, *args, **kwargs):
  83. return self._cobj.set_tx_timestamp(*args, **kwargs)
  84. def lock_detect(self, *args, **kwargs):
  85. return self._cobj.lock_detect(*args, **kwargs)
  86. def lock_get(self, *args, **kwargs):
  87. return self._cobj.lock_get(*args, **kwargs)
  88. def lock_id(self, *args, **kwargs):
  89. return self._cobj.lock_id(*args, **kwargs)
  90. def lock_put(self, *args, **kwargs):
  91. return self._cobj.lock_put(*args, **kwargs)
  92. def lock_stat(self, *args, **kwargs):
  93. return self._cobj.lock_stat(*args, **kwargs)
  94. def log_archive(self, *args, **kwargs):
  95. return self._cobj.log_archive(*args, **kwargs)
  96. def set_get_returns_none(self, *args, **kwargs):
  97. return self._cobj.set_get_returns_none(*args, **kwargs)
  98. def log_stat(self, *args, **kwargs):
  99. return self._cobj.log_stat(*args, **kwargs)
  100. def dbremove(self, *args, **kwargs):
  101. return self._cobj.dbremove(*args, **kwargs)
  102. def dbrename(self, *args, **kwargs):
  103. return self._cobj.dbrename(*args, **kwargs)
  104. def set_encrypt(self, *args, **kwargs):
  105. return self._cobj.set_encrypt(*args, **kwargs)
  106. if db.version() >= (4,4):
  107. def fileid_reset(self, *args, **kwargs):
  108. return self._cobj.fileid_reset(*args, **kwargs)
  109. def lsn_reset(self, *args, **kwargs):
  110. return self._cobj.lsn_reset(*args, **kwargs)
  111. class DB(MutableMapping):
  112. def __init__(self, dbenv, *args, **kwargs):
  113. # give it the proper DBEnv C object that its expecting
  114. self._cobj = db.DB(*((dbenv._cobj,) + args), **kwargs)
  115. # TODO are there other dict methods that need to be overridden?
  116. def __len__(self):
  117. return len(self._cobj)
  118. def __getitem__(self, arg):
  119. return self._cobj[arg]
  120. def __setitem__(self, key, value):
  121. self._cobj[key] = value
  122. def __delitem__(self, arg):
  123. del self._cobj[arg]
  124. if sys.version_info >= (2, 6) :
  125. def __iter__(self) :
  126. return self._cobj.__iter__()
  127. def append(self, *args, **kwargs):
  128. return self._cobj.append(*args, **kwargs)
  129. def associate(self, *args, **kwargs):
  130. return self._cobj.associate(*args, **kwargs)
  131. def close(self, *args, **kwargs):
  132. return self._cobj.close(*args, **kwargs)
  133. def consume(self, *args, **kwargs):
  134. return self._cobj.consume(*args, **kwargs)
  135. def consume_wait(self, *args, **kwargs):
  136. return self._cobj.consume_wait(*args, **kwargs)
  137. def cursor(self, *args, **kwargs):
  138. return self._cobj.cursor(*args, **kwargs)
  139. def delete(self, *args, **kwargs):
  140. return self._cobj.delete(*args, **kwargs)
  141. def fd(self, *args, **kwargs):
  142. return self._cobj.fd(*args, **kwargs)
  143. def get(self, *args, **kwargs):
  144. return self._cobj.get(*args, **kwargs)
  145. def pget(self, *args, **kwargs):
  146. return self._cobj.pget(*args, **kwargs)
  147. def get_both(self, *args, **kwargs):
  148. return self._cobj.get_both(*args, **kwargs)
  149. def get_byteswapped(self, *args, **kwargs):
  150. return self._cobj.get_byteswapped(*args, **kwargs)
  151. def get_size(self, *args, **kwargs):
  152. return self._cobj.get_size(*args, **kwargs)
  153. def get_type(self, *args, **kwargs):
  154. return self._cobj.get_type(*args, **kwargs)
  155. def join(self, *args, **kwargs):
  156. return self._cobj.join(*args, **kwargs)
  157. def key_range(self, *args, **kwargs):
  158. return self._cobj.key_range(*args, **kwargs)
  159. def has_key(self, *args, **kwargs):
  160. return self._cobj.has_key(*args, **kwargs)
  161. def items(self, *args, **kwargs):
  162. return self._cobj.items(*args, **kwargs)
  163. def keys(self, *args, **kwargs):
  164. return self._cobj.keys(*args, **kwargs)
  165. def open(self, *args, **kwargs):
  166. return self._cobj.open(*args, **kwargs)
  167. def put(self, *args, **kwargs):
  168. return self._cobj.put(*args, **kwargs)
  169. def remove(self, *args, **kwargs):
  170. return self._cobj.remove(*args, **kwargs)
  171. def rename(self, *args, **kwargs):
  172. return self._cobj.rename(*args, **kwargs)
  173. def set_bt_minkey(self, *args, **kwargs):
  174. return self._cobj.set_bt_minkey(*args, **kwargs)
  175. def set_bt_compare(self, *args, **kwargs):
  176. return self._cobj.set_bt_compare(*args, **kwargs)
  177. def set_cachesize(self, *args, **kwargs):
  178. return self._cobj.set_cachesize(*args, **kwargs)
  179. def set_dup_compare(self, *args, **kwargs) :
  180. return self._cobj.set_dup_compare(*args, **kwargs)
  181. def set_flags(self, *args, **kwargs):
  182. return self._cobj.set_flags(*args, **kwargs)
  183. def set_h_ffactor(self, *args, **kwargs):
  184. return self._cobj.set_h_ffactor(*args, **kwargs)
  185. def set_h_nelem(self, *args, **kwargs):
  186. return self._cobj.set_h_nelem(*args, **kwargs)
  187. def set_lorder(self, *args, **kwargs):
  188. return self._cobj.set_lorder(*args, **kwargs)
  189. def set_pagesize(self, *args, **kwargs):
  190. return self._cobj.set_pagesize(*args, **kwargs)
  191. def set_re_delim(self, *args, **kwargs):
  192. return self._cobj.set_re_delim(*args, **kwargs)
  193. def set_re_len(self, *args, **kwargs):
  194. return self._cobj.set_re_len(*args, **kwargs)
  195. def set_re_pad(self, *args, **kwargs):
  196. return self._cobj.set_re_pad(*args, **kwargs)
  197. def set_re_source(self, *args, **kwargs):
  198. return self._cobj.set_re_source(*args, **kwargs)
  199. def set_q_extentsize(self, *args, **kwargs):
  200. return self._cobj.set_q_extentsize(*args, **kwargs)
  201. def stat(self, *args, **kwargs):
  202. return self._cobj.stat(*args, **kwargs)
  203. def sync(self, *args, **kwargs):
  204. return self._cobj.sync(*args, **kwargs)
  205. def type(self, *args, **kwargs):
  206. return self._cobj.type(*args, **kwargs)
  207. def upgrade(self, *args, **kwargs):
  208. return self._cobj.upgrade(*args, **kwargs)
  209. def values(self, *args, **kwargs):
  210. return self._cobj.values(*args, **kwargs)
  211. def verify(self, *args, **kwargs):
  212. return self._cobj.verify(*args, **kwargs)
  213. def set_get_returns_none(self, *args, **kwargs):
  214. return self._cobj.set_get_returns_none(*args, **kwargs)
  215. def set_encrypt(self, *args, **kwargs):
  216. return self._cobj.set_encrypt(*args, **kwargs)
  217. class DBSequence:
  218. def __init__(self, *args, **kwargs):
  219. self._cobj = db.DBSequence(*args, **kwargs)
  220. def close(self, *args, **kwargs):
  221. return self._cobj.close(*args, **kwargs)
  222. def get(self, *args, **kwargs):
  223. return self._cobj.get(*args, **kwargs)
  224. def get_dbp(self, *args, **kwargs):
  225. return self._cobj.get_dbp(*args, **kwargs)
  226. def get_key(self, *args, **kwargs):
  227. return self._cobj.get_key(*args, **kwargs)
  228. def init_value(self, *args, **kwargs):
  229. return self._cobj.init_value(*args, **kwargs)
  230. def open(self, *args, **kwargs):
  231. return self._cobj.open(*args, **kwargs)
  232. def remove(self, *args, **kwargs):
  233. return self._cobj.remove(*args, **kwargs)
  234. def stat(self, *args, **kwargs):
  235. return self._cobj.stat(*args, **kwargs)
  236. def set_cachesize(self, *args, **kwargs):
  237. return self._cobj.set_cachesize(*args, **kwargs)
  238. def set_flags(self, *args, **kwargs):
  239. return self._cobj.set_flags(*args, **kwargs)
  240. def set_range(self, *args, **kwargs):
  241. return self._cobj.set_range(*args, **kwargs)
  242. def get_cachesize(self, *args, **kwargs):
  243. return self._cobj.get_cachesize(*args, **kwargs)
  244. def get_flags(self, *args, **kwargs):
  245. return self._cobj.get_flags(*args, **kwargs)
  246. def get_range(self, *args, **kwargs):
  247. return self._cobj.get_range(*args, **kwargs)