| Guido van Rossum | 571391b | 1997-04-03 22:41:49 +0000 | [diff] [blame] | 1 | \section{Standard Module \sectcode{whichdb}} |
| Guido van Rossum | e47da0a | 1997-07-17 16:34:52 +0000 | [diff] [blame] | 2 | \label{module-whichdb} |
| Guido van Rossum | 571391b | 1997-04-03 22:41:49 +0000 | [diff] [blame] | 3 | \stmodindex{whichdb} |
| 4 | |
| 5 | The single function in this module attempts to guess which of the |
| 6 | several simple database modules available--dbm, gdbm, or |
| 7 | dbhash--should be used to open a given file. |
| 8 | |
| Guido van Rossum | 571391b | 1997-04-03 22:41:49 +0000 | [diff] [blame] | 9 | \begin{funcdesc}{whichdb}{filename} |
| 10 | Returns one of the following values: \code{None} if the file can't be |
| 11 | opened because it's unreadable or doesn't exist; the empty string |
| 12 | (\code{""}) if the file's format can't be guessed; or a string |
| 13 | containing the required module name, such as \code{"dbm"} or |
| 14 | \code{"gdbm"}. |
| 15 | \end{funcdesc} |
| 16 | |