class BaseDatabase(QSqlDatabase):
def __init__(self, dsn, name, parent=None, objname=None):
deprecated('useless.kdedb.BaseDatabase is deprecated')
QSqlDatabase.__init__(self, 'QPSQL7', name, parent, objname)
if hasattr(dsn, 'items'): #if dsn is dictionary
self.conn = BasicConnection(**dsn)
self.setDatabaseName(dsn['dbname'])
self.setHostName(dsn['host'])
self.dbuser = dsn['user']
else: #else a conn was passed as dsn
self.conn = dsn
self.setDatabaseName(self.conn.conn.db)
self.setHostName(self.conn.conn.host)
self.dbuser = self.conn.conn.user
self.setUserName(self.dbuser)
self.stmt = Statement()
self.mcursor = StatementCursor(self.conn)
def set_table(self, table):
self.stmt.table = table
def set_clause(self, items, cmp='=', join='and'):
self.stmt.set_clause(items, cmp=cmp, join=join)
def set_data(self, data):
self.stmt.set(data)
def set_fields(self, fields):
self.stmt.fields = fields
def qdelete(self, table=None, clause=None):
query = self.stmt.delete(table=table, clause=clause)
return self.execStatement(query)
def qinsert(self, table=None, data=None):
query = self.stmt.insert(table=table, data=data)
return self.execStatement(query)
def qupdate(self, table=None, data=None, clause=None):
query = self.stmt.update(table=table, data=data, clause=clause)
return self.execStatement(query)
def qselect(self, fields=None, table=None, clause=None,
group=None, having=None, order=None):
query = self.stmt.select(fields=fields, table=table, clause=clause,
group=group, having=having, order=order)
return self.execStatement(query)
def delete(self, table=None, clause=None):
query = self.stmt.delete(table=table, clause=clause)
return self.mcursor.execute(query)
def insert(self, table=None, data=None):
query = self.stmt.insert(table=table, data=data)
return self.mcursor.execute(query)
def update(self, table=None, data=None, clause=None):
query = self.stmt.update(table=table, data=data, clause=clause)
return self.mcursor.execute(query)
def select(self, fields=None, table=None, clause=None,
group=None, having=None, order=None):
query = self.stmt.select(fields=fields, table=table, clause=clause,
group=group, having=having, order=order)
self.mcursor.execute(query)
return self.mcursor.fetchall()
def select_row(self, fields=None, table=None, clause=None,
group=None, having=None, order=None):
query = self.stmt.select(fields=fields, table=table, clause=clause,
group=group, having=having, order=order)
self.mcursor.execute(query)
rows = len(self.mcursor)
if rows == 1:
return self.mcursor.next()
elif rows == 0:
raise NoExistError
else:
raise RuntimeError, 'bad row count %s' % rows
def clear(self, **args):
self.stmt.clear(**args)
def stdclause(self, data):
return reduce(and_, [Eq(k, v) for k,v in data.items()])
def insertData(self, idcol, table, data, commit=True):
clause = self.stdclause(data)
try:
self.mcursor.select_row(fields=[idcol], table=table, clause=clause)
except NoExistError:
self.mcursor.insert(table=table, data=data)
if commit:
self.conn.commit()
def identifyData(self, idcol, table, data, commit=True):
clause = self.stdclause(data)
self.insertData(idcol, table, data, commit=commit)
return self.mcursor.select_row(fields=['*'], table=table, clause=clause)
execute(grant_public(tables))
execute(grant_group('ALL', sequences, group))
execute(grant_group('ALL', [t().name for t in full], group))
execute(grant_group('INSERT', [t().name for t in ins + insup], group))
execute(grant_group('UPDATE', [t().name for t in insup], group))
for status in TR_STATUS:
cursor.insert(table='trouble_status', data=dict(status=status))
if __name__ == '__main__':
import os
from useless.db.lowlevel import BasicConnection
from useless.db.midlevel import StatementCursor
from useless.base.config import Configuration
from konsultant.base.config import BaseConfig
from konsultant.db import BaseDatabase
cfg = Configuration('database', os.path.expanduser('~/.kde/share/config/konsultantrc'))
dbname = cfg['dbname']
dbhost = cfg['dbhost']
dbuser = cfg['dbuser']
conn = BasicConnection(dbuser, dbhost, dbname)
#fg = BaseConfig()
#b = BaseDatabase( cfg , 'schema maker')
c = StatementCursor(conn)
if not len(c.tables()):
create_schema(c, 'konsultant')
conn.commit()