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How to install and use the mysql-python library
Python posted 5 months ago by christian
First download mysql-python from http://sourceforge.net/projects/mysql-python.
Extract it and run:
1 python setup.py build 2 sudo python setup.py install
If you get this error you need to install python-dev package:
1 In file included from _mysql.c:29: 2 pymemcompat.h:10:20: error: Python.h: No such file or directory 3 _mysql.c:30:26: error: structmember.h: No such file or directory 4 In file included from /usr/include/mysql/mysql.h:44, 5 from _mysql.c:40: 6 . 7 . 8 . 9 _mysql.c:2808: warning: return type defaults to 'int' 10 _mysql.c: In function 'DL_EXPORT': 11 _mysql.c:2808: error: expected declaration specifiers before 'init_mysql' 12 _mysql.c:2886: error: expected '{' at end of input 13 error: command 'gcc' failed with exit status 1
Installing the python-dev package on Debian is done with apt-get or synaptic:
1 apt-get install python-dev
Installing the library should now work:
1 python setup.py build 2 python setup.py install
Next test the library in the python console:
1 import MySQLdb 2 3 # Note that this example uses UTF-8 encoding 4 conn = MySQLdb.connect(host='localhost', user='...', passwd='...', db='...', charset = "utf8", use_unicode = True) 5 cursor = conn.cursor() 6 7 8 cursor.execute ("SELECT * FROM cities") 9 rows = cursor.fetchall () 10 11 for row in rows: 12 print "%s, %s" % (row[0], row[1].encode('utf-8')) 13 14 print "Number of rows returned: %d" % cursor.rowcount 15
Don’t forget to close the cursor and connection, and if you’re inserting data commit before closing, because autocommit is disabled by default:
1 cursor.close () 2 conn.commit () 3 conn.close ()
For more information about MySQLdb see this article.