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1"""
2PyMySQL: A pure-Python MySQL client library.
4Copyright (c) 2010-2016 PyMySQL contributors
6Permission is hereby granted, free of charge, to any person obtaining a copy
7of this software and associated documentation files (the "Software"), to deal
8in the Software without restriction, including without limitation the rights
9to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10copies of the Software, and to permit persons to whom the Software is
11furnished to do so, subject to the following conditions:
13The above copyright notice and this permission notice shall be included in
14all copies or substantial portions of the Software.
16THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22THE SOFTWARE.
23"""
24import sys
26from .constants import FIELD_TYPE
27from .err import (
28 Warning,
29 Error,
30 InterfaceError,
31 DataError,
32 DatabaseError,
33 OperationalError,
34 IntegrityError,
35 InternalError,
36 NotSupportedError,
37 ProgrammingError,
38 MySQLError,
39)
40from .times import (
41 Date,
42 Time,
43 Timestamp,
44 DateFromTicks,
45 TimeFromTicks,
46 TimestampFromTicks,
47)
50VERSION = (1, 0, 2, None)
51if VERSION[3] is not None:
52 VERSION_STRING = "%d.%d.%d_%s" % VERSION
53else:
54 VERSION_STRING = "%d.%d.%d" % VERSION[:3]
55threadsafety = 1
56apilevel = "2.0"
57paramstyle = "pyformat"
59from . import connections # noqa: E402
62class DBAPISet(frozenset):
63 def __ne__(self, other):
64 if isinstance(other, set):
65 return frozenset.__ne__(self, other)
66 else:
67 return other not in self
69 def __eq__(self, other):
70 if isinstance(other, frozenset):
71 return frozenset.__eq__(self, other)
72 else:
73 return other in self
75 def __hash__(self):
76 return frozenset.__hash__(self)
79STRING = DBAPISet([FIELD_TYPE.ENUM, FIELD_TYPE.STRING, FIELD_TYPE.VAR_STRING])
80BINARY = DBAPISet(
81 [
82 FIELD_TYPE.BLOB,
83 FIELD_TYPE.LONG_BLOB,
84 FIELD_TYPE.MEDIUM_BLOB,
85 FIELD_TYPE.TINY_BLOB,
86 ]
87)
88NUMBER = DBAPISet(
89 [
90 FIELD_TYPE.DECIMAL,
91 FIELD_TYPE.DOUBLE,
92 FIELD_TYPE.FLOAT,
93 FIELD_TYPE.INT24,
94 FIELD_TYPE.LONG,
95 FIELD_TYPE.LONGLONG,
96 FIELD_TYPE.TINY,
97 FIELD_TYPE.YEAR,
98 ]
99)
100DATE = DBAPISet([FIELD_TYPE.DATE, FIELD_TYPE.NEWDATE])
101TIME = DBAPISet([FIELD_TYPE.TIME])
102TIMESTAMP = DBAPISet([FIELD_TYPE.TIMESTAMP, FIELD_TYPE.DATETIME])
103DATETIME = TIMESTAMP
104ROWID = DBAPISet()
107def Binary(x):
108 """Return x as a binary type."""
109 return bytes(x)
112Connect = connect = Connection = connections.Connection
115def get_client_info(): # for MySQLdb compatibility
116 version = VERSION
117 if VERSION[3] is None:
118 version = VERSION[:3]
119 return ".".join(map(str, version))
122# we include a doctored version_info here for MySQLdb compatibility
123version_info = (1, 4, 0, "final", 0)
125NULL = "NULL"
127__version__ = get_client_info()
130def thread_safe():
131 return True # match MySQLdb.thread_safe()
134def install_as_MySQLdb():
135 """
136 After this function is called, any application that imports MySQLdb or
137 _mysql will unwittingly actually use pymysql.
138 """
139 sys.modules["MySQLdb"] = sys.modules["_mysql"] = sys.modules["pymysql"]
142__all__ = [
143 "BINARY",
144 "Binary",
145 "Connect",
146 "Connection",
147 "DATE",
148 "Date",
149 "Time",
150 "Timestamp",
151 "DateFromTicks",
152 "TimeFromTicks",
153 "TimestampFromTicks",
154 "DataError",
155 "DatabaseError",
156 "Error",
157 "FIELD_TYPE",
158 "IntegrityError",
159 "InterfaceError",
160 "InternalError",
161 "MySQLError",
162 "NULL",
163 "NUMBER",
164 "NotSupportedError",
165 "DBAPISet",
166 "OperationalError",
167 "ProgrammingError",
168 "ROWID",
169 "STRING",
170 "TIME",
171 "TIMESTAMP",
172 "Warning",
173 "apilevel",
174 "connect",
175 "connections",
176 "constants",
177 "converters",
178 "cursors",
179 "get_client_info",
180 "paramstyle",
181 "threadsafety",
182 "version_info",
183 "install_as_MySQLdb",
184 "__version__",
185]