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annotate pylons_app/lib/db_manage.py @ 234:a0116e944da1

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changed naming convention for db modules.
author Marcin Kuzminski <marcin@python-works.com>
date Thu, 27 May 2010 21:31:30 +0200
parents 69a29242ba61
children b18f89d6d17f
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1 import logging
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2 from os.path import dirname as dn
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3 from os.path import join as jn
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4 from sqlalchemy.engine import create_engine
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5 import os
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6 import sys
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7 ROOT = dn(dn(dn(os.path.realpath(__file__))))
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8 sys.path.append(ROOT)
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9
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10 from pylons_app.model.db import User
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11 from pylons_app.model.meta import Session, Base
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12
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13 from pylons_app.lib.auth import get_crypt_password
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14 from pylons_app.model import init_model
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16 log = logging.getLogger('db manage')
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17 log.setLevel(logging.DEBUG)
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18 console_handler = logging.StreamHandler()
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19 console_handler.setFormatter(logging.Formatter("%(asctime)s.%(msecs)03d"
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20 " %(levelname)-5.5s [%(name)s] %(message)s"))
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21 log.addHandler(console_handler)
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22
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23 class DbManage(object):
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24 def __init__(self, log_sql):
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25 self.dbname = 'hg_app.db'
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26 dburi = 'sqlite:////%s' % jn(ROOT, self.dbname)
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27 engine = create_engine(dburi, echo=log_sql)
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28 init_model(engine)
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29 self.sa = Session()
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31 def check_for_db(self, override):
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32 log.info('checking for exisiting db')
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33 if os.path.isfile(jn(ROOT, self.dbname)):
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34 log.info('database exisist')
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35 if not override:
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36 raise Exception('database already exists')
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38 def create_tables(self, override=False):
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39 """
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40 Create a auth database
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41 """
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42 self.check_for_db(override)
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43 if override:
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44 log.info("database exisist and it's going to be destroyed")
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45 os.remove(jn(ROOT, self.dbname))
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46 Base.metadata.create_all(checkfirst=override)
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47 log.info('Created tables for %s', self.dbname)
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49 def admin_prompt(self):
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50 import getpass
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51 username = raw_input('Specify admin username:')
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52 password = getpass.getpass('Specify admin password:')
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53 self.create_user(username, password, True)
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55 def create_user(self, username, password, admin=False):
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56 log.info('creating administrator user %s', username)
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58 new_user = User()
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59 new_user.username = username
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60 new_user.password = get_crypt_password(password)
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61 new_user.admin = admin
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62 new_user.active = True
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64 try:
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65 self.sa.add(new_user)
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66 self.sa.commit()
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67 except:
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68 self.sa.rollback()
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69 raise
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71 if __name__ == '__main__':
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72 dbmanage = DbManage(log_sql=True)
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73 dbmanage.create_tables(override=True)
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74 dbmanage.admin_prompt()
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