Conditions | 3 |
Total Lines | 30 |
Code Lines | 17 |
Lines | 0 |
Ratio | 0 % |
Changes | 0 |
1 | import psycopg2 |
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15 | def connect(): |
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16 | """Test connection to the postgresql server""" |
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17 | |||
18 | conn = None |
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19 | try: |
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20 | #read conection parameters |
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21 | params = dbconfig(filename,section) |
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22 | |||
23 | #connect to server |
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24 | print('Conecting to the PostgreSQL database...') |
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25 | conn = psycopg2.connect(**params) |
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26 | #create a cursor |
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27 | cur = conn.cursor() |
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28 | |||
29 | #execute a statement |
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30 | print('Postgres database version: ') |
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31 | cur.execute('SELECT version()') |
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32 | |||
33 | #display the postgress db server version |
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34 | db_version = cur.fetchone() |
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35 | print(db_version) |
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36 | |||
37 | #close comm with pgSQL |
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38 | cur.close() |
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39 | except (Exception, psycopg2.DatabaseError) as error: |
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40 | print(error) |
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41 | finally: |
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42 | if conn is not None: |
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43 | conn.close() |
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44 | print('Database connection closed.') |
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45 | |||
52 |