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python: implement the context manager protocol for database objects

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Signed-off-by: Justus Winter <4winter@informatik.uni-hamburg.de>
This commit is contained in:
Justus Winter 2012-02-15 22:41:16 +01:00
parent b2734519db
commit 36ce7e3c98
1 changed files with 16 additions and 0 deletions
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16
bindings/python/notmuch/database.py
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@ -41,6 +41,10 @@ class Database(object):
:exc:`XapianError` as the underlying database has been
modified. Close and reopen the database to continue working with it.
:class:`Database` objects implement the context manager protocol
so you can use the :keyword:`with` statement to ensure that the
database is properly closed.
.. note::
Any function in this class can and will throw an
@ -206,6 +210,18 @@ class Database(object):
self._close(self._db)
self._db = None
def __enter__(self):
'''
Implements the context manager protocol.
'''
return self
def __exit__(self, exc_type, exc_value, traceback):
'''
Implements the context manager protocol.
'''
self.close()
def get_path(self):
"""Returns the file path of an open database"""
self._assert_db_is_initialized()