main.py

   1 from lib.source import MeteoFrance
   2
   3 from configparser import ConfigParser
   4 from logging.config import fileConfig
   5 from logging import getLogger
   6 from pathlib import Path
   7 from shutil import rmtree
   8 from subprocess import Popen, PIPE
   9
  10
  11 fileConfig((Path.cwd() / 'config') / 'logging.cfg')
  12 logger = getLogger()
  13
  14
  15 class Engine:
  16     def __init__(self, clean = False):
  17         logger.info("Predictops engine launched")
  18         if clean:
  19             self.clean()
  20             print("Ne pas oublier d'exporter la BDD dans pgModeler")
  21             print("Ni de copier l'archive dans la data")
  22
  23     def clean(self):
  24         # Cleaning the data directory
  25         logger.info("Cleaning and restoring data directory")
  26         directory  = Path.cwd() / 'data'
  27         if directory.is_dir():
  28             rmtree(directory)
  29         p = Path(Path.cwd() / 'data')
  30         p.mkdir()
  31
  32         # Cleaning the postgresql database
  33         config = ConfigParser()
  34         config.read((Path.cwd() / 'config') / 'main.cfg')
  35
  36         host   = config['postgresql']['host']
  37         user   = config['postgresql']['user']
  38         port   = config['postgresql']['port']
  39         dbname = config['postgresql']['dbname']
  40
  41         logger.info("PostgreSQL database deletion")
  42         command = ['dropdb', '-h', host, '-U', user, '-p', port, dbname]
  43         process = Popen(command, stdout=PIPE, stderr=PIPE)
  44         process.communicate()
  45
  46         logger.info("PostgreSQL database creation")
  47         command = ['createdb', '-h', host, '-U', user, '-p', port, dbname]
  48         process = Popen(command, stdout=PIPE, stderr=PIPE)
  49         process.communicate()
  50
  51     def add_meteofrance(self):
  52         self.meteofrance = MeteoFrance()
  53
  54
  55
  56 engine = Engine(clean = False)
  57 engine.add_meteofrance()