diff options
Diffstat (limited to 'Doc/library/dbm.rst')
| -rw-r--r-- | Doc/library/dbm.rst | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/Doc/library/dbm.rst b/Doc/library/dbm.rst index b4fad45..6872d79 100644 --- a/Doc/library/dbm.rst +++ b/Doc/library/dbm.rst @@ -21,8 +21,8 @@ the Oracle Berkeley DB. .. function:: whichdb(filename) This functionattempts to guess which of the several simple database modules - available --- :mod:`dbm.bsd`, :mod:`dbm.gnu`, :mod:`dbm.ndbm` or - :mod:`dbm.dumb` --- should be used to open a given file. + available --- :mod:`dbm.gnu`, :mod:`dbm.ndbm` or :mod:`dbm.dumb` --- should + be used to open a given file. Returns one of the following values: ``None`` if the file can't be opened because it's unreadable or doesn't exist; the empty string (``''``) if the @@ -227,10 +227,9 @@ Dbm objects behave like mappings (dictionaries), except that keys and values are always stored as bytes. Printing a ``dbm`` object doesn't print the keys and values, and the :meth:`items` and :meth:`values` methods are not supported. -This module can be used with the "classic" ndbm interface, the BSD DB -compatibility interface, or the GNU GDBM compatibility interface. On Unix, the -:program:`configure` script will attempt to locate the appropriate header file -to simplify building this module. +This module can be used with the "classic" ndbm interface or the GNU GDBM +compatibility interface. On Unix, the :program:`configure` script will attempt +to locate the appropriate header file to simplify building this module. .. exception:: error @@ -246,9 +245,7 @@ to simplify building this module. .. function:: open(filename[, flag[, mode]]) Open a dbm database and return a ``dbm`` object. The *filename* argument is the - name of the database file (without the :file:`.dir` or :file:`.pag` extensions; - note that the BSD DB implementation of the interface will append the extension - :file:`.db` and only create one file). + name of the database file (without the :file:`.dir` or :file:`.pag` extensions). The optional *flag* argument must be one of these values: |