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Update comments in the second paragraph, discussing versioning issues 

related to the BSD DB library.  Based on comments from Mark Summerfield
<summer@netcraft.com>.
This commit is contained in:
Fred Drake 2000-09-15 15:19:35 +00:00
parent be467e5c69
commit 6e5184fe6a
1 changed files with 9 additions and 8 deletions
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17
Doc/lib/libbsddb.tex
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@ -14,16 +14,17 @@ dictionaries. Keys and values must be strings, however, so to use
other objects as keys or to store other kinds of objects the user must
serialize them somehow, typically using marshal.dumps or pickle.dumps.
The \module{bsddb} module is only available on \UNIX{} systems, so it
is not built by default in the standard Python distribution. Also,
there are two incompatible versions of the underlying library.
There are two incompatible versions of the underlying library.
Version 1.85 is widely available, but has some known bugs. Version 2
is not quite as widely used, but does offer some improvements. The
\module{bsddb} module uses the 1.85 interface. Users wishing to use
version 2 of the Berkeley DB library will have to modify the source
for the module to include \file{db_185.h} instead of
\file{db.h} (\file{db_185.h} contains the version 1.85 compatibility
interface).
\module{bsddb} module uses the 1.85 interface. Starting with Python
2.0, the \program{configure} script can usually determine the
version of the library which is available and build it correctly. If
you have difficulty getting \program{configure} to do the right thing,
run it with the \longprogramopt{help} option to get information about
additional options that can help. On Windows, you will need to define
the \code{HAVE_DB_185_H} macro if you are building Python from source
and using version 2 of the DB library.
The \module{bsddb} module defines the following functions that create
objects that access the appropriate type of Berkeley DB file. The