Lib/bsddb/dbobj.py

   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
  24 import db
  25
  26 try:
  27     from UserDict import DictMixin
  28 except ImportError:
  29     # DictMixin is new in Python 2.3
  30     class DictMixin: pass
  31
  32 class DBEnv:
  33     def __init__(self, *args, **kwargs):
  34         self._cobj = apply(db.DBEnv, args, kwargs)
  35
  36     def close(self, *args, **kwargs):
  37         return apply(self._cobj.close, args, kwargs)
  38     def open(self, *args, **kwargs):
  39         return apply(self._cobj.open, args, kwargs)
  40     def remove(self, *args, **kwargs):
  41         return apply(self._cobj.remove, args, kwargs)
  42     def set_cachesize(self, *args, **kwargs):
  43         return apply(self._cobj.set_cachesize, args, kwargs)
  44     def set_data_dir(self, *args, **kwargs):
  45         return apply(self._cobj.set_data_dir, args, kwargs)
  46     def set_flags(self, *args, **kwargs):
  47         return apply(self._cobj.set_flags, args, kwargs)
  48     def set_lg_bsize(self, *args, **kwargs):
  49         return apply(self._cobj.set_lg_bsize, args, kwargs)
  50     def set_lg_dir(self, *args, **kwargs):
  51         return apply(self._cobj.set_lg_dir, args, kwargs)
  52     def set_lg_max(self, *args, **kwargs):
  53         return apply(self._cobj.set_lg_max, args, kwargs)
  54     def set_lk_detect(self, *args, **kwargs):
  55         return apply(self._cobj.set_lk_detect, args, kwargs)
  56     def set_lk_max(self, *args, **kwargs):
  57         return apply(self._cobj.set_lk_max, args, kwargs)
  58     def set_lk_max_locks(self, *args, **kwargs):
  59         return apply(self._cobj.set_lk_max_locks, args, kwargs)
  60     def set_lk_max_lockers(self, *args, **kwargs):
  61         return apply(self._cobj.set_lk_max_lockers, args, kwargs)
  62     def set_lk_max_objects(self, *args, **kwargs):
  63         return apply(self._cobj.set_lk_max_objects, args, kwargs)
  64     def set_mp_mmapsize(self, *args, **kwargs):
  65         return apply(self._cobj.set_mp_mmapsize, args, kwargs)
  66     def set_timeout(self, *args, **kwargs):
  67         return apply(self._cobj.set_timeout, args, kwargs)
  68     def set_tmp_dir(self, *args, **kwargs):
  69         return apply(self._cobj.set_tmp_dir, args, kwargs)
  70     def txn_begin(self, *args, **kwargs):
  71         return apply(self._cobj.txn_begin, args, kwargs)
  72     def txn_checkpoint(self, *args, **kwargs):
  73         return apply(self._cobj.txn_checkpoint, args, kwargs)
  74     def txn_stat(self, *args, **kwargs):
  75         return apply(self._cobj.txn_stat, args, kwargs)
  76     def set_tx_max(self, *args, **kwargs):
  77         return apply(self._cobj.set_tx_max, args, kwargs)
  78     def lock_detect(self, *args, **kwargs):
  79         return apply(self._cobj.lock_detect, args, kwargs)
  80     def lock_get(self, *args, **kwargs):
  81         return apply(self._cobj.lock_get, args, kwargs)
  82     def lock_id(self, *args, **kwargs):
  83         return apply(self._cobj.lock_id, args, kwargs)
  84     def lock_put(self, *args, **kwargs):
  85         return apply(self._cobj.lock_put, args, kwargs)
  86     def lock_stat(self, *args, **kwargs):
  87         return apply(self._cobj.lock_stat, args, kwargs)
  88     def log_archive(self, *args, **kwargs):
  89         return apply(self._cobj.log_archive, args, kwargs)
  90     def set_get_returns_none(self, *args, **kwargs):
  91         return apply(self._cobj.set_get_returns_none, args, kwargs)
  92
  93     if db.version() >= (4,1):
  94         def dbremove(self, *args, **kwargs):
  95             return apply(self._cobj.dbremove, args, kwargs)
  96         def dbrename(self, *args, **kwargs):
  97             return apply(self._cobj.dbrename, args, kwargs)
  98         def set_encrypt(self, *args, **kwargs):
  99             return apply(self._cobj.set_encrypt, args, kwargs)
 100
 101
 102 class DB(DictMixin):
 103     def __init__(self, dbenv, *args, **kwargs):
 104         # give it the proper DBEnv C object that its expecting
 105         self._cobj = apply(db.DB, (dbenv._cobj,) + args, kwargs)
 106
 107     # TODO are there other dict methods that need to be overridden?
 108     def __len__(self):
 109         return len(self._cobj)
 110     def __getitem__(self, arg):
 111         return self._cobj[arg]
 112     def __setitem__(self, key, value):
 113         self._cobj[key] = value
 114     def __delitem__(self, arg):
 115         del self._cobj[arg]
 116
 117     def append(self, *args, **kwargs):
 118         return apply(self._cobj.append, args, kwargs)
 119     def associate(self, *args, **kwargs):
 120         return apply(self._cobj.associate, args, kwargs)
 121     def close(self, *args, **kwargs):
 122         return apply(self._cobj.close, args, kwargs)
 123     def consume(self, *args, **kwargs):
 124         return apply(self._cobj.consume, args, kwargs)
 125     def consume_wait(self, *args, **kwargs):
 126         return apply(self._cobj.consume_wait, args, kwargs)
 127     def cursor(self, *args, **kwargs):
 128         return apply(self._cobj.cursor, args, kwargs)
 129     def delete(self, *args, **kwargs):
 130         return apply(self._cobj.delete, args, kwargs)
 131     def fd(self, *args, **kwargs):
 132         return apply(self._cobj.fd, args, kwargs)
 133     def get(self, *args, **kwargs):
 134         return apply(self._cobj.get, args, kwargs)
 135     def get_both(self, *args, **kwargs):
 136         return apply(self._cobj.get_both, args, kwargs)
 137     def get_byteswapped(self, *args, **kwargs):
 138         return apply(self._cobj.get_byteswapped, args, kwargs)
 139     def get_size(self, *args, **kwargs):
 140         return apply(self._cobj.get_size, args, kwargs)
 141     def get_type(self, *args, **kwargs):
 142         return apply(self._cobj.get_type, args, kwargs)
 143     def join(self, *args, **kwargs):
 144         return apply(self._cobj.join, args, kwargs)
 145     def key_range(self, *args, **kwargs):
 146         return apply(self._cobj.key_range, args, kwargs)
 147     def has_key(self, *args, **kwargs):
 148         return apply(self._cobj.has_key, args, kwargs)
 149     def items(self, *args, **kwargs):
 150         return apply(self._cobj.items, args, kwargs)
 151     def keys(self, *args, **kwargs):
 152         return apply(self._cobj.keys, args, kwargs)
 153     def open(self, *args, **kwargs):
 154         return apply(self._cobj.open, args, kwargs)
 155     def put(self, *args, **kwargs):
 156         return apply(self._cobj.put, args, kwargs)
 157     def remove(self, *args, **kwargs):
 158         return apply(self._cobj.remove, args, kwargs)
 159     def rename(self, *args, **kwargs):
 160         return apply(self._cobj.rename, args, kwargs)
 161     def set_bt_minkey(self, *args, **kwargs):
 162         return apply(self._cobj.set_bt_minkey, args, kwargs)
 163     def set_cachesize(self, *args, **kwargs):
 164         return apply(self._cobj.set_cachesize, args, kwargs)
 165     def set_flags(self, *args, **kwargs):
 166         return apply(self._cobj.set_flags, args, kwargs)
 167     def set_h_ffactor(self, *args, **kwargs):
 168         return apply(self._cobj.set_h_ffactor, args, kwargs)
 169     def set_h_nelem(self, *args, **kwargs):
 170         return apply(self._cobj.set_h_nelem, args, kwargs)
 171     def set_lorder(self, *args, **kwargs):
 172         return apply(self._cobj.set_lorder, args, kwargs)
 173     def set_pagesize(self, *args, **kwargs):
 174         return apply(self._cobj.set_pagesize, args, kwargs)
 175     def set_re_delim(self, *args, **kwargs):
 176         return apply(self._cobj.set_re_delim, args, kwargs)
 177     def set_re_len(self, *args, **kwargs):
 178         return apply(self._cobj.set_re_len, args, kwargs)
 179     def set_re_pad(self, *args, **kwargs):
 180         return apply(self._cobj.set_re_pad, args, kwargs)
 181     def set_re_source(self, *args, **kwargs):
 182         return apply(self._cobj.set_re_source, args, kwargs)
 183     def set_q_extentsize(self, *args, **kwargs):
 184         return apply(self._cobj.set_q_extentsize, args, kwargs)
 185     def stat(self, *args, **kwargs):
 186         return apply(self._cobj.stat, args, kwargs)
 187     def sync(self, *args, **kwargs):
 188         return apply(self._cobj.sync, args, kwargs)
 189     def type(self, *args, **kwargs):
 190         return apply(self._cobj.type, args, kwargs)
 191     def upgrade(self, *args, **kwargs):
 192         return apply(self._cobj.upgrade, args, kwargs)
 193     def values(self, *args, **kwargs):
 194         return apply(self._cobj.values, args, kwargs)
 195     def verify(self, *args, **kwargs):
 196         return apply(self._cobj.verify, args, kwargs)
 197     def set_get_returns_none(self, *args, **kwargs):
 198         return apply(self._cobj.set_get_returns_none, args, kwargs)
 199
 200     if db.version() >= (4,1):
 201         def set_encrypt(self, *args, **kwargs):
 202             return apply(self._cobj.set_encrypt, args, kwargs)