Python dbm.ndbm() Examples

The following are 23 code examples of dbm.ndbm(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module dbm , or try the search function .
Example #1
Source File: test_dbm_ndbm.py    From android_universal with MIT License 6 votes vote down vote up 
def test_keys(self):
        self.d = dbm.ndbm.open(self.filename, 'c')
        self.assertEqual(self.d.keys(), [])
        self.d['a'] = 'b'
        self.d[b'bytes'] = b'data'
        self.d['12345678910'] = '019237410982340912840198242'
        self.d.keys()
        self.assertIn('a', self.d)
        self.assertIn(b'a', self.d)
        self.assertEqual(self.d[b'bytes'], b'data')
        # get() and setdefault() work as in the dict interface
        self.assertEqual(self.d.get(b'a'), b'b')
        self.assertIsNone(self.d.get(b'xxx'))
        self.assertEqual(self.d.get(b'xxx', b'foo'), b'foo')
        with self.assertRaises(KeyError):
            self.d['xxx']
        self.assertEqual(self.d.setdefault(b'xxx', b'foo'), b'foo')
        self.assertEqual(self.d[b'xxx'], b'foo')
        self.d.close()
Example #2
Source File: test_dbm_ndbm.py    From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 5 votes vote down vote up 
def test_keys(self):
        self.d = dbm.ndbm.open(self.filename, 'c')
        self.assertTrue(self.d.keys() == [])
        self.d['a'] = 'b'
        self.d[b'bytes'] = b'data'
        self.d['12345678910'] = '019237410982340912840198242'
        self.d.keys()
        self.assertIn('a', self.d)
        self.assertIn(b'a', self.d)
        self.assertEqual(self.d[b'bytes'], b'data')
        self.d.close()
Example #3
Source File: test_dbm_ndbm.py    From android_universal with MIT License 5 votes vote down vote up 
def test_nonascii_filename(self):
        filename = support.TESTFN_NONASCII
        for suffix in ['', '.pag', '.dir', '.db']:
            self.addCleanup(support.unlink, filename + suffix)
        with dbm.ndbm.open(filename, 'c') as db:
            db[b'key'] = b'value'
        self.assertTrue(any(os.path.exists(filename + suffix)
                            for suffix in ['', '.pag', '.dir', '.db']))
        with dbm.ndbm.open(filename, 'r') as db:
            self.assertEqual(list(db.keys()), [b'key'])
            self.assertTrue(b'key' in db)
            self.assertEqual(db[b'key'], b'value')
Example #4
Source File: test_dbm_ndbm.py    From android_universal with MIT License 5 votes vote down vote up 
def test_unicode(self):
        with dbm.ndbm.open(self.filename, 'c') as db:
            db['Unicode key \U0001f40d'] = 'Unicode value \U0001f40d'
        with dbm.ndbm.open(self.filename, 'r') as db:
            self.assertEqual(list(db.keys()), ['Unicode key \U0001f40d'.encode()])
            self.assertTrue('Unicode key \U0001f40d'.encode() in db)
            self.assertTrue('Unicode key \U0001f40d' in db)
            self.assertEqual(db['Unicode key \U0001f40d'.encode()],
                             'Unicode value \U0001f40d'.encode())
            self.assertEqual(db['Unicode key \U0001f40d'],
                             'Unicode value \U0001f40d'.encode())
Example #5
Source File: test_dbm_ndbm.py    From android_universal with MIT License 5 votes vote down vote up 
def test_context_manager(self):
        with dbm.ndbm.open(self.filename, 'c') as db:
            db["ndbm context manager"] = "context manager"

        with dbm.ndbm.open(self.filename, 'r') as db:
            self.assertEqual(list(db.keys()), [b"ndbm context manager"])

        with self.assertRaises(dbm.ndbm.error) as cm:
            db.keys()
        self.assertEqual(str(cm.exception),
                         "DBM object has already been closed")
Example #6
Source File: test_dbm_ndbm.py    From android_universal with MIT License 5 votes vote down vote up 
def test_modes(self):
        for mode in ['r', 'rw', 'w', 'n']:
            try:
                self.d = dbm.ndbm.open(self.filename, mode)
                self.d.close()
            except error:
                self.fail()
Example #7
Source File: test_dbm_ndbm.py    From android_universal with MIT License 5 votes vote down vote up 
def test_empty_value(self):
        if dbm.ndbm.library == 'Berkeley DB':
            self.skipTest("Berkeley DB doesn't distinguish the empty value "
                          "from the absent one")
        self.d = dbm.ndbm.open(self.filename, 'c')
        self.assertEqual(self.d.keys(), [])
        self.d['empty'] = ''
        self.assertEqual(self.d.keys(), [b'empty'])
        self.assertIn(b'empty', self.d)
        self.assertEqual(self.d[b'empty'], b'')
        self.assertEqual(self.d.get(b'empty'), b'')
        self.assertEqual(self.d.setdefault(b'empty'), b'')
        self.d.close()
Example #8
Source File: test_dbm_ndbm.py    From android_universal with MIT License 5 votes vote down vote up 
def setUp(self):
        self.filename = support.TESTFN
        self.d = dbm.ndbm.open(self.filename, 'c')
        self.d.close()
Example #9
Source File: dbm_key_value_adapter.py    From rltk with MIT License 5 votes vote down vote up 
def __init__(self, filename, dbm_class=dbm.ndbm, serializer: Serializer = None, clean: bool = False):
        if not serializer:
            serializer = PickleSerializer()
        self._db = dbm_class.open(filename, 'c')
        self._serializer = serializer

        if clean:
            self.clean()
Example #10
Source File: test_dbm.py    From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 5 votes vote down vote up 
def test_whichdb_ndbm(self):
        # Issue 17198: check that ndbm which is referenced in whichdb is defined
        db_file = '{}_ndbm.db'.format(_fname)
        with open(db_file, 'w'):
            self.addCleanup(test.support.unlink, db_file)
        self.assertIsNone(self.dbm.whichdb(db_file[:-3]))
Example #11
Source File: test_dbm_ndbm.py    From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 5 votes vote down vote up 
def test_context_manager(self):
        with dbm.ndbm.open(self.filename, 'c') as db:
            db["ndbm context manager"] = "context manager"

        with dbm.ndbm.open(self.filename, 'r') as db:
            self.assertEqual(list(db.keys()), [b"ndbm context manager"])

        with self.assertRaises(dbm.ndbm.error) as cm:
            db.keys()
        self.assertEqual(str(cm.exception),
                         "DBM object has already been closed")
Example #12
Source File: test_dbm_ndbm.py    From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 5 votes vote down vote up 
def test_modes(self):
        for mode in ['r', 'rw', 'w', 'n']:
            try:
                self.d = dbm.ndbm.open(self.filename, mode)
                self.d.close()
            except error:
                self.fail()
Example #13
Source File: test_dbm_ndbm.py    From Fluid-Designer with GNU General Public License v3.0 5 votes vote down vote up 
def setUp(self):
        self.filename = support.TESTFN
        self.d = dbm.ndbm.open(self.filename, 'c')
        self.d.close()
Example #14
Source File: test_dbm_ndbm.py    From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 5 votes vote down vote up 
def setUp(self):
        self.filename = support.TESTFN
        self.d = dbm.ndbm.open(self.filename, 'c')
        self.d.close()
Example #15
Source File: test_dbm.py    From ironpython3 with Apache License 2.0 5 votes vote down vote up 
def test_whichdb_ndbm(self):
        # Issue 17198: check that ndbm which is referenced in whichdb is defined
        db_file = '{}_ndbm.db'.format(_fname)
        with open(db_file, 'w'):
            self.addCleanup(test.support.unlink, db_file)
        self.assertIsNone(self.dbm.whichdb(db_file[:-3]))
Example #16
Source File: test_dbm_ndbm.py    From ironpython3 with Apache License 2.0 5 votes vote down vote up 
def test_context_manager(self):
        with dbm.ndbm.open(self.filename, 'c') as db:
            db["ndbm context manager"] = "context manager"

        with dbm.ndbm.open(self.filename, 'r') as db:
            self.assertEqual(list(db.keys()), [b"ndbm context manager"])

        with self.assertRaises(dbm.ndbm.error) as cm:
            db.keys()
        self.assertEqual(str(cm.exception),
                         "DBM object has already been closed")
Example #17
Source File: test_dbm_ndbm.py    From ironpython3 with Apache License 2.0 5 votes vote down vote up 
def test_modes(self):
        for mode in ['r', 'rw', 'w', 'n']:
            try:
                self.d = dbm.ndbm.open(self.filename, mode)
                self.d.close()
            except error:
                self.fail()
Example #18
Source File: test_dbm_ndbm.py    From ironpython3 with Apache License 2.0 5 votes vote down vote up 
def test_keys(self):
        self.d = dbm.ndbm.open(self.filename, 'c')
        self.assertTrue(self.d.keys() == [])
        self.d['a'] = 'b'
        self.d[b'bytes'] = b'data'
        self.d['12345678910'] = '019237410982340912840198242'
        self.d.keys()
        self.assertIn('a', self.d)
        self.assertIn(b'a', self.d)
        self.assertEqual(self.d[b'bytes'], b'data')
        self.d.close()
Example #19
Source File: test_dbm_ndbm.py    From ironpython3 with Apache License 2.0 5 votes vote down vote up 
def setUp(self):
        self.filename = support.TESTFN
        self.d = dbm.ndbm.open(self.filename, 'c')
        self.d.close()
Example #20
Source File: test_dbm.py    From Fluid-Designer with GNU General Public License v3.0 5 votes vote down vote up 
def test_whichdb_ndbm(self):
        # Issue 17198: check that ndbm which is referenced in whichdb is defined
        db_file = '{}_ndbm.db'.format(_fname)
        with open(db_file, 'w'):
            self.addCleanup(test.support.unlink, db_file)
        self.assertIsNone(self.dbm.whichdb(db_file[:-3]))
Example #21
Source File: test_dbm_ndbm.py    From Fluid-Designer with GNU General Public License v3.0 5 votes vote down vote up 
def test_context_manager(self):
        with dbm.ndbm.open(self.filename, 'c') as db:
            db["ndbm context manager"] = "context manager"

        with dbm.ndbm.open(self.filename, 'r') as db:
            self.assertEqual(list(db.keys()), [b"ndbm context manager"])

        with self.assertRaises(dbm.ndbm.error) as cm:
            db.keys()
        self.assertEqual(str(cm.exception),
                         "DBM object has already been closed")
Example #22
Source File: test_dbm_ndbm.py    From Fluid-Designer with GNU General Public License v3.0 5 votes vote down vote up 
def test_modes(self):
        for mode in ['r', 'rw', 'w', 'n']:
            try:
                self.d = dbm.ndbm.open(self.filename, mode)
                self.d.close()
            except error:
                self.fail()
Example #23
Source File: test_dbm_ndbm.py    From Fluid-Designer with GNU General Public License v3.0 5 votes vote down vote up 
def test_keys(self):
        self.d = dbm.ndbm.open(self.filename, 'c')
        self.assertTrue(self.d.keys() == [])
        self.d['a'] = 'b'
        self.d[b'bytes'] = b'data'
        self.d['12345678910'] = '019237410982340912840198242'
        self.d.keys()
        self.assertIn('a', self.d)
        self.assertIn(b'a', self.d)
        self.assertEqual(self.d[b'bytes'], b'data')
        self.d.close()