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POHow do I use the inet type with Python and postgresql?
 

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  1. POHow do I use the inet type with Python and postgresql?
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    <p>I am writing a python3 program that uses a postgresql database, I am using py-postgresql: <a href="http://python.projects.postgresql.org/" rel="nofollow">http://python.projects.postgresql.org/</a> as the database driver. One table stores IP addresses using the inet type.</p> <p>I have created the following prepared statement:</p> <pre><code>aID = db.prepare('SELECT id FROM a_records WHERE ip = $1 LIMIT 1') </code></pre> <p>When calling aID(ip) I get the following error: </p> <p>(ip is a python string)</p> <pre><code> File "/usr/local/lib/python3.1/dist-packages/postgresql/driver/pq3.py", line 1517, in __call__ c = SingleXactFetch(self, parameters) File "/usr/local/lib/python3.1/dist-packages/postgresql/driver/pq3.py", line 837, in __init__ Output.__init__(self, '') File "/usr/local/lib/python3.1/dist-packages/postgresql/driver/pq3.py", line 622, in __init__ self._init() File "/usr/local/lib/python3.1/dist-packages/postgresql/driver/pq3.py", line 854, in _init STEP() File "/usr/local/lib/python3.1/dist-packages/postgresql/driver/pq3.py", line 2612, in _pq_step self.typio.raise_error(x.error_message, cause = getattr(x, 'exception', Non e)) File "/usr/local/lib/python3.1/dist-packages/postgresql/driver/pq3.py", line 507, in raise_error self.raise_server_error(error_message, **kw) File "/usr/local/lib/python3.1/dist-packages/postgresql/driver/pq3.py", line 498, in raise_server_error raise server_error postgresql.exceptions.BinaryRepresentationError: invalid address family in exte rnal "inet" value CODE: 22P03 LOCATION: File 'network.c', line 218, in network_recv from SERVER RESULT: type: SingleXactFetch parameters: ('139.78.113.1',) STATEMENT: [prepared] sql_parameter_types: ['pg_catalog.inet'] results: (id INTEGER) statement_id: py:0x2ff9a50 string: SELECT id FROM a_records WHERE ip = $1 LIMIT 1 CONNECTION: [idle] client_address: 127.0.0.1/32 client_port: 51563 version: PostgreSQL 8.4.7 on x86_64-pc-linux-gnu, compiled by GCC gcc-4.4.real (Debi an 4.4.5-8) 4.4.5, 64-bit CONNECTOR: [IP4] pq://python:***@127.0.0.1:5432/vdz category: None DRIVER: postgresql.driver.pq3.Driver </code></pre> <p>Can anyone help me debug this and figure out why postgresql is not liking the inet data?</p> <p>Thanks!</p>
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