| 1 | # PyKota |
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| 2 | # |
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| 3 | # PyKota : Print Quotas for CUPS |
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| 4 | # |
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| 5 | # (c) 2003 Jerome Alet <alet@librelogiciel.com> |
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| 6 | # You're welcome to redistribute this software under the |
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| 7 | # terms of the GNU General Public Licence version 2.0 |
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| 8 | # or, at your option, any higher version. |
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| 9 | # |
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| 10 | # You can read the complete GNU GPL in the file COPYING |
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| 11 | # which should come along with this software, or visit |
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| 12 | # the Free Software Foundation's WEB site http://www.fsf.org |
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| 13 | # |
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| 14 | # $Id$ |
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| 15 | # |
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| 16 | # $Log$ |
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| 17 | # Revision 1.1 2003/02/05 21:28:17 jalet |
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| 18 | # Initial import into CVS |
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| 19 | # |
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| 20 | # |
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| 21 | # |
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| 22 | |
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| 23 | class PyKotaStorageError(Exception): |
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| 24 | """An exception for Quota Storage related stuff.""" |
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| 25 | def __init__(self, message = ""): |
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| 26 | self.message = message |
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| 27 | Exception.__init__(self, message) |
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| 28 | def __repr__(self): |
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| 29 | return self.message |
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| 30 | __str__ = __repr__ |
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| 31 | |
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| 32 | def openConnection(config, asadmin=0) : |
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| 33 | """Returns a connection handle to the appropriate Quota Storage Database.""" |
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| 34 | (backend, host, database, admin, user) = config.getStorageBackend() |
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| 35 | try : |
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| 36 | module = __import__("pykota.storages." + backend.lower()) |
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| 37 | except ImportError : |
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| 38 | raise PyKotaStorageError, "Unsupported quota storage backend %s" % backend |
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| 39 | else : |
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| 40 | return getattr(module, "Storage")(host, database, (asadmin and admin) or user) |
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