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annotate roundup/backends/sessions_sqlite.py @ 7946:7a98b308cdfd

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test: see if xapian will build with 3.13beta1 issue2551338 xapian doesn't build in CI for 3.13 python Still failing with 3.13beta1. Disable xapian build. [skip travis]
author John Rouillard <rouilj@ieee.org>
date Sun, 12 May 2024 18:41:40 -0400
parents a96a239db0d9
children
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1 """This module defines a very basic store that's used by the CGI interface
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2 to store session and one-time-key information.
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3
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4 Yes, it's called "sessions" - because originally it only defined a session
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5 class. It's now also used for One Time Key handling too.
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6
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7 We needed to split commits to session/OTK database from commits on the
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8 main db structures (user data). This required two connections to the
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9 sqlite db, which wasn't supported. This module was created so sqlite
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10 didn't have to use dbm for the session/otk data. It hopefully will
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11 provide a performance speedup.
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12 """
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13 __docformat__ = 'restructuredtext'
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15 from roundup.backends import sessions_rdbms
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16
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17
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18 class BasicDatabase(sessions_rdbms.BasicDatabase):
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19 ''' Provide a nice encapsulation of an RDBMS table.
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20
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21 Keys are id strings, values are automatically marshalled data.
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22 '''
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23 name = None
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24
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25 def __init__(self, db):
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26 self.db = db
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27 self.conn, self.cursor = self.db.sql_open_connection(dbname=self.name)
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28
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29 self.sql('''SELECT name FROM sqlite_master WHERE type='table' AND '''
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30 '''name='%ss';''' % self.name)
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31 table_exists = self.cursor.fetchone()
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32
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33 if not table_exists:
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34 # create table/rows etc.
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35 self.sql('''CREATE TABLE %(name)ss (%(name)s_key VARCHAR(255),
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36 %(name)s_value TEXT, %(name)s_time REAL)''' % {"name": self.name})
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37 self.sql('CREATE INDEX %(name)s_key_idx ON '
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38 '%(name)ss(%(name)s_key)' % {"name": self.name})
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39 # Set journal mode to WAL.
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40 self.commit() # close out rollback journal/transaction
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41 self.sql('pragma journal_mode=wal') # set wal
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42 self.commit() # close out rollback and commit wal change
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44 def sql(self, sql, args=None, cursor=None):
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45 """ Execute the sql with the optional args.
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46 """
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47 self.log_debug('SQL %r %r' % (sql, args))
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48 if not cursor:
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49 cursor = self.cursor
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50 if args:
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51 cursor.execute(sql, args)
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52 else:
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53 cursor.execute(sql)
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54
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55
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56 class Sessions(BasicDatabase):
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57 name = 'session'
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58
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60 class OneTimeKeys(BasicDatabase):
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61 name = 'otk'
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62
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63 # vim: set et sts=4 sw=4 :
Roundup Issue Tracker: http://roundup-tracker.org/