1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
|
import unittest
import shelve
import glob
from test import support
from collections import MutableMapping
from test.test_dbm import dbm_iterator
def L1(s):
return s.decode("latin-1")
class byteskeydict(MutableMapping):
"Mapping that supports bytes keys"
def __init__(self):
self.d = {}
def __getitem__(self, key):
return self.d[L1(key)]
def __setitem__(self, key, value):
self.d[L1(key)] = value
def __delitem__(self, key):
del self.d[L1(key)]
def __len__(self):
return len(self.d)
def iterkeys(self):
for k in self.d.keys():
yield k.encode("latin-1")
__iter__ = iterkeys
def keys(self):
return list(self.iterkeys())
def copy(self):
return byteskeydict(self.d)
class TestCase(unittest.TestCase):
fn = "shelftemp.db"
def tearDown(self):
for f in glob.glob(self.fn+"*"):
support.unlink(f)
def test_close(self):
d1 = {}
s = shelve.Shelf(d1, protocol=2, writeback=False)
s['key1'] = [1,2,3,4]
self.assertEqual(s['key1'], [1,2,3,4])
self.assertEqual(len(s), 1)
s.close()
self.assertRaises(ValueError, len, s)
try:
s['key1']
except ValueError:
pass
else:
self.fail('Closed shelf should not find a key')
def test_ascii_file_shelf(self):
s = shelve.open(self.fn, protocol=0)
try:
s['key1'] = (1,2,3,4)
self.assertEqual(s['key1'], (1,2,3,4))
finally:
s.close()
def test_binary_file_shelf(self):
s = shelve.open(self.fn, protocol=1)
try:
s['key1'] = (1,2,3,4)
self.assertEqual(s['key1'], (1,2,3,4))
finally:
s.close()
def test_proto2_file_shelf(self):
s = shelve.open(self.fn, protocol=2)
try:
s['key1'] = (1,2,3,4)
self.assertEqual(s['key1'], (1,2,3,4))
finally:
s.close()
def test_in_memory_shelf(self):
d1 = byteskeydict()
s = shelve.Shelf(d1, protocol=0)
s['key1'] = (1,2,3,4)
self.assertEqual(s['key1'], (1,2,3,4))
s.close()
d2 = byteskeydict()
s = shelve.Shelf(d2, protocol=1)
s['key1'] = (1,2,3,4)
self.assertEqual(s['key1'], (1,2,3,4))
s.close()
self.assertEqual(len(d1), 1)
self.assertEqual(len(d2), 1)
self.assertNotEqual(d1.items(), d2.items())
def test_mutable_entry(self):
d1 = byteskeydict()
s = shelve.Shelf(d1, protocol=2, writeback=False)
s['key1'] = [1,2,3,4]
self.assertEqual(s['key1'], [1,2,3,4])
s['key1'].append(5)
self.assertEqual(s['key1'], [1,2,3,4])
s.close()
d2 = byteskeydict()
s = shelve.Shelf(d2, protocol=2, writeback=True)
s['key1'] = [1,2,3,4]
self.assertEqual(s['key1'], [1,2,3,4])
s['key1'].append(5)
self.assertEqual(s['key1'], [1,2,3,4,5])
s.close()
self.assertEqual(len(d1), 1)
self.assertEqual(len(d2), 1)
def test_writeback_also_writes_immediately(self):
# Issue 5754
d = {}
key = 'key'
encodedkey = key.encode('utf-8')
s = shelve.Shelf(d, writeback=True)
s[key] = [1]
p1 = d[encodedkey] # Will give a KeyError if backing store not updated
s['key'].append(2)
s.close()
p2 = d[encodedkey]
self.assertNotEqual(p1, p2) # Write creates new object in store
from test import mapping_tests
class TestShelveBase(mapping_tests.BasicTestMappingProtocol):
fn = "shelftemp.db"
counter = 0
def __init__(self, *args, **kw):
self._db = []
mapping_tests.BasicTestMappingProtocol.__init__(self, *args, **kw)
type2test = shelve.Shelf
def _reference(self):
return {"key1":"value1", "key2":2, "key3":(1,2,3)}
def _empty_mapping(self):
if self._in_mem:
x= shelve.Shelf(byteskeydict(), **self._args)
else:
self.counter+=1
x= shelve.open(self.fn+str(self.counter), **self._args)
self._db.append(x)
return x
def tearDown(self):
for db in self._db:
db.close()
self._db = []
if not self._in_mem:
for f in glob.glob(self.fn+"*"):
support.unlink(f)
class TestAsciiFileShelve(TestShelveBase):
_args={'protocol':0}
_in_mem = False
class TestBinaryFileShelve(TestShelveBase):
_args={'protocol':1}
_in_mem = False
class TestProto2FileShelve(TestShelveBase):
_args={'protocol':2}
_in_mem = False
class TestAsciiMemShelve(TestShelveBase):
_args={'protocol':0}
_in_mem = True
class TestBinaryMemShelve(TestShelveBase):
_args={'protocol':1}
_in_mem = True
class TestProto2MemShelve(TestShelveBase):
_args={'protocol':2}
_in_mem = True
def test_main():
for module in dbm_iterator():
support.run_unittest(
TestAsciiFileShelve,
TestBinaryFileShelve,
TestProto2FileShelve,
TestAsciiMemShelve,
TestBinaryMemShelve,
TestProto2MemShelve,
TestCase
)
if __name__ == "__main__":
test_main()
|
