134 lines
4.6 KiB
Python
Executable file
134 lines
4.6 KiB
Python
Executable file
#!/usr/bin/env python
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import sys
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import os
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import re
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# import time
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import logging
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import argparse as arg
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import psycopg2 as pg
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from psycopg2.extensions import AsIs
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from classes.CustomFormater import CustomFormatter
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from classes.Timer import Timer
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import locale
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locale.setlocale(locale.LC_ALL, 'fr_FR.UTF-8')
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# Schema name is NAMEDATALEN-1 (PGSQL source code)
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# -> src/include/pg_config_manual.h
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def check_schema_name(arg_value, pat=re.compile(r"^[a-z0-9A-Z]{1,63}$")):
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if not pat.match(arg_value):
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raise ValueError
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return arg_value
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def parse_args():
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"""
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Parse arguments
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"""
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parser = arg.ArgumentParser('Process csv files from INSEE')
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parser.add_argument('--source', '-s',
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help='csv source directory',
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default='exports')
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parser.add_argument('--connection-file', '-f',
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help='Postgresql connexion file',
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default='.pgconn'
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)
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# As whe use AsIs function to not include '' in our sql queries for schema
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# name, me mus ensure that it is not contains SQL special characters
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# like comments --, final coma etc and avoid SQL injection
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parser.add_argument('--schema-name',
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help='Database schema name',
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type=check_schema_name,
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default='insee'
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)
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parser.add_argument('--test', '-t',
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help='test view, get 10 record of each',
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action='store_true'
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)
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debug_group = parser.add_mutually_exclusive_group()
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debug_group.add_argument('--verbose', '-V',
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help='Verbose output',
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action='store_true')
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debug_group.add_argument('--debug', '-d',
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help='Activate debug mode',
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action='store_true')
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return parser.parse_args()
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if __name__ == '__main__':
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args = parse_args()
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t = Timer()
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#logging.basicConfig(level=logging.DEBUG)
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logger = logging.getLogger()
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tty_handler = logging.StreamHandler()
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# create console handler with a higher log level
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tty_handler.setFormatter(CustomFormatter())
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logger.addHandler(tty_handler)
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if args.verbose is True:
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logger.setLevel(logging.INFO)
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logger.info('VERBOSE mode activated')
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if args.debug is True:
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logger.setLevel(logging.DEBUG)
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logger.debug('DEBUG mode activated')
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logging.debug('Import pgsql connection file {}'.format(args.connection_file))
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with open(args.connection_file) as cf:
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pg_conn = cf.read()
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t.start('Add Views')
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conn = pg.connect(pg_conn)
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with conn.cursor() as curs:
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logger.debug('Add view_indicateur_reg view')
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try:
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curs.execute("""
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CREATE OR REPLACE VIEW %(schema)s.view_indicateur_dep AS
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SELECT id_departement, d.dep, d.ncc, s.id_indicateur, s.date_debut, SUM(s.VALEUR)
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FROM %(schema)s.departement d
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INNER JOIN %(schema)s.commune c ON c.dep = d.dep
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INNER JOIN %(schema)s.statistique s ON s.com = c.com
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GROUP BY id_departement,d.dep, s.date_debut, d.ncc, s.id_indicateur
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ORDER BY id_indicateur;""",
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{'schema':AsIs(args.schema_name)})
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conn.commit()
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except Exception as e:
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logger.error('Can\'t add view view_indicateur_dep: {}'.format(e))
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sys.exit(1)
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logger.debug('Add view_indicateur_reg view')
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try:
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curs.execute("""
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CREATE OR REPLACE VIEW %(schema)s.view_indicateur_reg AS
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SELECT id_region, r.reg, r.ncc, s.id_indicateur, s.date_debut, SUM(s.valeur)
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FROM %(schema)s.region r
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INNER JOIN %(schema)s.departement d ON d.reg = r.reg
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INNER JOIN %(schema)s.commune c ON c.dep = d.dep
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INNER JOIN %(schema)s.statistique s ON s.com = c.com
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GROUP BY id_region, r.reg, s.date_debut, r.ncc, s.id_indicateur
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ORDER BY id_indicateur;""",
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{'schema':AsIs(args.schema_name)})
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conn.commit()
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except Exception as e:
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logger.error('Can\'t add view view_indicateur_reg: {}'.format(e))
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sys.exit(1)
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t.stop()
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if args.test:
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for view in ('view_indicateur_dep','view_indicateur_reg'):
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curs.execute("""
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SELECT v.ncc, v.date_debut, v.sum
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FROM %(schema)s.%(view)s v LIMIT 10;
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""",
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{'schema':AsIs(args.schema_name), 'view': AsIs(view)})
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data = curs.fetchall()
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print('\nCheck {}:'.format(view))
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for row in data:
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print('\t{:.<40}{}: {:>7n}'.format(*row))
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