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Yet another PostgreSQL database driver

Project description

Yet another Python PostgreSQL database driver.

Pure python or Cython http://cython.org/ accelaleted.

Requirements

  • Python 2.7, 3.3+, PyPy, jython 2.7, IronPython 2.7
  • Cython 0.22.x or higher optinally.

Installation

It can install as package or module.

Install as a package

$ pip install minipg

Install as a module

$ cd $(PROJECT_HOME)
$ wget https://github.com/nakagami/minipg/raw/master/minipg/minipg.py

Example

Query:

import minipg
conn = minipg.connect(host='localhost',
                    user='postgres',
                    password='secret',
                    database='database_name')
cur = conn.cursor()
cur.execute('select foo, bar from baz')
for r in cur.fetchall():
   print(r[0], r[1])
conn.close()

COPY TO:

import minipg
conn = minipg.connect(host='localhost',
                    user='postgres',
                    password='secret',
                    database='database_name')
f = open('foo.txt', 'bw')
conn.execute('COPY foo_table TO stdout', f)
f.close()
conn.close()

COPY FROM:

import minipg
conn = minipg.connect(host='localhost',
                    user='postgres',
                    password='secret',
                    database='database_name')
f = open('foo.txt', 'br')
conn.execute('COPY foo_table FROM stdin', f)
f.close()
conn.close()

Execute Query from a command line

$ python -m minipg -H pg_server -U user -W pass -D db_name <<EOS
> SELECT * FROM FOO
> EOS

or

$ python -m minipg -H pg_server -U user -W pass -D db_name -Q 'SELECT * FROM FOO'

Restrictions and Unsupported Features

  • Authentication METHOD only can ‘trust’ or ‘md5’ in pg_hba.conf.
  • Not full support for array data types.
  • Not support for prepared statements.

Project details


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