/Lib/bsddb/dbobj.py
Python | 268 lines | 225 code | 18 blank | 25 comment | 9 complexity | 869010361823e404a4a4a34083daa34f MD5 | raw file
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# 19# TODO it would be *really nice* to have an automatic shadow class populator 20# so that new methods don't need to be added here manually after being 21# added to _bsddb.c. 22# 23 24import sys 25absolute_import = (sys.version_info[0] >= 3) 26if absolute_import : 27 # Because this syntaxis is not valid before Python 2.5 28 exec("from . import db") 29else : 30 import db 31 32if sys.version_info[0:2] <= (2, 5) : 33 try: 34 from UserDict import DictMixin 35 except ImportError: 36 # DictMixin is new in Python 2.3 37 class DictMixin: pass 38 MutableMapping = DictMixin 39else : 40 import collections 41 MutableMapping = collections.MutableMapping 42 43class DBEnv: 44 def __init__(self, *args, **kwargs): 45 self._cobj = apply(db.DBEnv, args, kwargs) 46 47 def close(self, *args, **kwargs): 48 return apply(self._cobj.close, args, kwargs) 49 def open(self, *args, **kwargs): 50 return apply(self._cobj.open, args, kwargs) 51 def remove(self, *args, **kwargs): 52 return apply(self._cobj.remove, args, kwargs) 53 def set_shm_key(self, *args, **kwargs): 54 return apply(self._cobj.set_shm_key, args, kwargs) 55 def set_cachesize(self, *args, **kwargs): 56 return apply(self._cobj.set_cachesize, args, kwargs) 57 def set_data_dir(self, *args, **kwargs): 58 return apply(self._cobj.set_data_dir, args, kwargs) 59 def set_flags(self, *args, **kwargs): 60 return apply(self._cobj.set_flags, args, kwargs) 61 def set_lg_bsize(self, *args, **kwargs): 62 return apply(self._cobj.set_lg_bsize, args, kwargs) 63 def set_lg_dir(self, *args, **kwargs): 64 return apply(self._cobj.set_lg_dir, args, kwargs) 65 def set_lg_max(self, *args, **kwargs): 66 return apply(self._cobj.set_lg_max, args, kwargs) 67 def set_lk_detect(self, *args, **kwargs): 68 return apply(self._cobj.set_lk_detect, args, kwargs) 69 if db.version() < (4,5): 70 def set_lk_max(self, *args, **kwargs): 71 return apply(self._cobj.set_lk_max, args, kwargs) 72 def set_lk_max_locks(self, *args, **kwargs): 73 return apply(self._cobj.set_lk_max_locks, args, kwargs) 74 def set_lk_max_lockers(self, *args, **kwargs): 75 return apply(self._cobj.set_lk_max_lockers, args, kwargs) 76 def set_lk_max_objects(self, *args, **kwargs): 77 return apply(self._cobj.set_lk_max_objects, args, kwargs) 78 def set_mp_mmapsize(self, *args, **kwargs): 79 return apply(self._cobj.set_mp_mmapsize, args, kwargs) 80 def set_timeout(self, *args, **kwargs): 81 return apply(self._cobj.set_timeout, args, kwargs) 82 def set_tmp_dir(self, *args, **kwargs): 83 return apply(self._cobj.set_tmp_dir, args, kwargs) 84 def txn_begin(self, *args, **kwargs): 85 return apply(self._cobj.txn_begin, args, kwargs) 86 def txn_checkpoint(self, *args, **kwargs): 87 return apply(self._cobj.txn_checkpoint, args, kwargs) 88 def txn_stat(self, *args, **kwargs): 89 return apply(self._cobj.txn_stat, args, kwargs) 90 def set_tx_max(self, *args, **kwargs): 91 return apply(self._cobj.set_tx_max, args, kwargs) 92 def set_tx_timestamp(self, *args, **kwargs): 93 return apply(self._cobj.set_tx_timestamp, args, kwargs) 94 def lock_detect(self, *args, **kwargs): 95 return apply(self._cobj.lock_detect, args, kwargs) 96 def lock_get(self, *args, **kwargs): 97 return apply(self._cobj.lock_get, args, kwargs) 98 def lock_id(self, *args, **kwargs): 99 return apply(self._cobj.lock_id, args, kwargs) 100 def lock_put(self, *args, **kwargs): 101 return apply(self._cobj.lock_put, args, kwargs) 102 def lock_stat(self, *args, **kwargs): 103 return apply(self._cobj.lock_stat, args, kwargs) 104 def log_archive(self, *args, **kwargs): 105 return apply(self._cobj.log_archive, args, kwargs) 106 107 def set_get_returns_none(self, *args, **kwargs): 108 return apply(self._cobj.set_get_returns_none, args, kwargs) 109 110 def log_stat(self, *args, **kwargs): 111 return apply(self._cobj.log_stat, args, kwargs) 112 113 if db.version() >= (4,1): 114 def dbremove(self, *args, **kwargs): 115 return apply(self._cobj.dbremove, args, kwargs) 116 def dbrename(self, *args, **kwargs): 117 return apply(self._cobj.dbrename, args, kwargs) 118 def set_encrypt(self, *args, **kwargs): 119 return apply(self._cobj.set_encrypt, args, kwargs) 120 121 if db.version() >= (4,4): 122 def lsn_reset(self, *args, **kwargs): 123 return apply(self._cobj.lsn_reset, args, kwargs) 124 125 126class DB(MutableMapping): 127 def __init__(self, dbenv, *args, **kwargs): 128 # give it the proper DBEnv C object that its expecting 129 self._cobj = apply(db.DB, (dbenv._cobj,) + args, kwargs) 130 131 # TODO are there other dict methods that need to be overridden? 132 def __len__(self): 133 return len(self._cobj) 134 def __getitem__(self, arg): 135 return self._cobj[arg] 136 def __setitem__(self, key, value): 137 self._cobj[key] = value 138 def __delitem__(self, arg): 139 del self._cobj[arg] 140 141 if sys.version_info[0:2] >= (2, 6) : 142 def __iter__(self) : 143 return self._cobj.__iter__() 144 145 def append(self, *args, **kwargs): 146 return apply(self._cobj.append, args, kwargs) 147 def associate(self, *args, **kwargs): 148 return apply(self._cobj.associate, args, kwargs) 149 def close(self, *args, **kwargs): 150 return apply(self._cobj.close, args, kwargs) 151 def consume(self, *args, **kwargs): 152 return apply(self._cobj.consume, args, kwargs) 153 def consume_wait(self, *args, **kwargs): 154 return apply(self._cobj.consume_wait, args, kwargs) 155 def cursor(self, *args, **kwargs): 156 return apply(self._cobj.cursor, args, kwargs) 157 def delete(self, *args, **kwargs): 158 return apply(self._cobj.delete, args, kwargs) 159 def fd(self, *args, **kwargs): 160 return apply(self._cobj.fd, args, kwargs) 161 def get(self, *args, **kwargs): 162 return apply(self._cobj.get, args, kwargs) 163 def pget(self, *args, **kwargs): 164 return apply(self._cobj.pget, args, kwargs) 165 def get_both(self, *args, **kwargs): 166 return apply(self._cobj.get_both, args, kwargs) 167 def get_byteswapped(self, *args, **kwargs): 168 return apply(self._cobj.get_byteswapped, args, kwargs) 169 def get_size(self, *args, **kwargs): 170 return apply(self._cobj.get_size, args, kwargs) 171 def get_type(self, *args, **kwargs): 172 return apply(self._cobj.get_type, args, kwargs) 173 def join(self, *args, **kwargs): 174 return apply(self._cobj.join, args, kwargs) 175 def key_range(self, *args, **kwargs): 176 return apply(self._cobj.key_range, args, kwargs) 177 def has_key(self, *args, **kwargs): 178 return apply(self._cobj.has_key, args, kwargs) 179 def items(self, *args, **kwargs): 180 return apply(self._cobj.items, args, kwargs) 181 def keys(self, *args, **kwargs): 182 return apply(self._cobj.keys, args, kwargs) 183 def open(self, *args, **kwargs): 184 return apply(self._cobj.open, args, kwargs) 185 def put(self, *args, **kwargs): 186 return apply(self._cobj.put, args, kwargs) 187 def remove(self, *args, **kwargs): 188 return apply(self._cobj.remove, args, kwargs) 189 def rename(self, *args, **kwargs): 190 return apply(self._cobj.rename, args, kwargs) 191 def set_bt_minkey(self, *args, **kwargs): 192 return apply(self._cobj.set_bt_minkey, args, kwargs) 193 def set_bt_compare(self, *args, **kwargs): 194 return apply(self._cobj.set_bt_compare, args, kwargs) 195 def set_cachesize(self, *args, **kwargs): 196 return apply(self._cobj.set_cachesize, args, kwargs) 197 def set_flags(self, *args, **kwargs): 198 return apply(self._cobj.set_flags, args, kwargs) 199 def set_h_ffactor(self, *args, **kwargs): 200 return apply(self._cobj.set_h_ffactor, args, kwargs) 201 def set_h_nelem(self, *args, **kwargs): 202 return apply(self._cobj.set_h_nelem, args, kwargs) 203 def set_lorder(self, *args, **kwargs): 204 return apply(self._cobj.set_lorder, args, kwargs) 205 def set_pagesize(self, *args, **kwargs): 206 return apply(self._cobj.set_pagesize, args, kwargs) 207 def set_re_delim(self, *args, **kwargs): 208 return apply(self._cobj.set_re_delim, args, kwargs) 209 def set_re_len(self, *args, **kwargs): 210 return apply(self._cobj.set_re_len, args, kwargs) 211 def set_re_pad(self, *args, **kwargs): 212 return apply(self._cobj.set_re_pad, args, kwargs) 213 def set_re_source(self, *args, **kwargs): 214 return apply(self._cobj.set_re_source, args, kwargs) 215 def set_q_extentsize(self, *args, **kwargs): 216 return apply(self._cobj.set_q_extentsize, args, kwargs) 217 def stat(self, *args, **kwargs): 218 return apply(self._cobj.stat, args, kwargs) 219 def sync(self, *args, **kwargs): 220 return apply(self._cobj.sync, args, kwargs) 221 def type(self, *args, **kwargs): 222 return apply(self._cobj.type, args, kwargs) 223 def upgrade(self, *args, **kwargs): 224 return apply(self._cobj.upgrade, args, kwargs) 225 def values(self, *args, **kwargs): 226 return apply(self._cobj.values, args, kwargs) 227 def verify(self, *args, **kwargs): 228 return apply(self._cobj.verify, args, kwargs) 229 def set_get_returns_none(self, *args, **kwargs): 230 return apply(self._cobj.set_get_returns_none, args, kwargs) 231 232 if db.version() >= (4,1): 233 def set_encrypt(self, *args, **kwargs): 234 return apply(self._cobj.set_encrypt, args, kwargs) 235 236 237class DBSequence: 238 def __init__(self, *args, **kwargs): 239 self._cobj = apply(db.DBSequence, args, kwargs) 240 241 def close(self, *args, **kwargs): 242 return apply(self._cobj.close, args, kwargs) 243 def get(self, *args, **kwargs): 244 return apply(self._cobj.get, args, kwargs) 245 def get_dbp(self, *args, **kwargs): 246 return apply(self._cobj.get_dbp, args, kwargs) 247 def get_key(self, *args, **kwargs): 248 return apply(self._cobj.get_key, args, kwargs) 249 def init_value(self, *args, **kwargs): 250 return apply(self._cobj.init_value, args, kwargs) 251 def open(self, *args, **kwargs): 252 return apply(self._cobj.open, args, kwargs) 253 def remove(self, *args, **kwargs): 254 return apply(self._cobj.remove, args, kwargs) 255 def stat(self, *args, **kwargs): 256 return apply(self._cobj.stat, args, kwargs) 257 def set_cachesize(self, *args, **kwargs): 258 return apply(self._cobj.set_cachesize, args, kwargs) 259 def set_flags(self, *args, **kwargs): 260 return apply(self._cobj.set_flags, args, kwargs) 261 def set_range(self, *args, **kwargs): 262 return apply(self._cobj.set_range, args, kwargs) 263 def get_cachesize(self, *args, **kwargs): 264 return apply(self._cobj.get_cachesize, args, kwargs) 265 def get_flags(self, *args, **kwargs): 266 return apply(self._cobj.get_flags, args, kwargs) 267 def get_range(self, *args, **kwargs): 268 return apply(self._cobj.get_range, args, kwargs)