/usr/lib/python3/dist-packages/PyTango/databaseds/db_access/sqlite3.py is in python3-pytango 8.1.8-1.
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The actual contents of the file can be viewed below.
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import os
import logging
import functools
import threading
import Queue
import PyTango
th_exc = PyTango.Except.throw_exception
from db_errors import *
from concurrent.futures import ThreadPoolExecutor
Executor = ThreadPoolExecutor(1)
def get_create_db_statements():
statements = []
with open("create_db_tables.sql") as f:
lines = f.readlines()
# strip comments
lines = (line for line in lines if not line.startswith('#'))
lines = (line for line in lines if not line.lower().strip().startswith('key'))
lines = (line for line in lines if not line.lower().strip().startswith('key'))
lines = "".join(lines)
lines = lines.replace("ENGINE=MyISAM", "")
statements += lines.split(";")
with open("create_db.sql") as f:
lines = f.readlines()
# strip comments
lines = (line for line in lines if not line.lower().startswith('#'))
lines = (line for line in lines if not line.lower().startswith('create database'))
lines = (line for line in lines if not line.lower().startswith('use'))
lines = (line for line in lines if not line.lower().startswith('source'))
lines = "".join(lines)
statements += lines.split(";")
return statements
def replace_wildcard(text):
# escape '%' with '\'
text = text.replace("%", "\\%")
# escape '_' with '\'
text = text.replace("_", "\\_")
# escape '"' with '\'
text = text.replace('"', '\\"')
# escape ''' with '\'
text = text.replace("'", "\\'")
# replace '*' with '%'
text = text.replace("*", "%")
return text
def use_cursor(f):
@functools.wraps(f)
def wrap(*args, **kwargs):
self = args[0]
has_cursor = 'cursor' in kwargs
cursor = kwargs.pop('cursor', None)
if not has_cursor:
cursor = Executor.submit(self.get_cursor).result()
self.cursor = cursor
try:
ret = Executor.submit(f, *args, **kwargs).result()
if not has_cursor:
Executor.submit(cursor.connection.commit).result()
return ret
finally:
if not has_cursor:
Executor.submit(cursor.close).result()
del self.cursor
return wrap
class Tango_dbapi2(object):
DB_API_NAME = 'sqlite3'
def __init__(self, db_name="tango_database.db", history_depth=10, fire_to_starter=True):
self._db_api = None
self._db_conn = None
self.db_name = db_name
self.history_depth = history_depth
self.fire_to_starter = fire_to_starter
self._logger = logging.getLogger(self.__class__.__name__)
self._debug = self._logger.debug
self._info = self._logger.info
self._warn = self._logger.warn
self._error = self._logger.error
self._critical = self._logger.critical
self.initialize()
def close_db(self):
if self._db_conn is not None:
self._db_conn.commit()
self._db_conn.close()
self._db_api = None
self._db_conn = None
def get_db_api(self):
if self._db_api is None:
self._db_api = __import__(self.DB_API_NAME)
return self._db_api
@property
def db_api(self):
return self.get_db_api()
@property
def db_conn(self):
if self._db_conn is None:
self._db_conn = self.db_api.connect(self.db_name)
return self._db_conn
def get_cursor(self):
return self.db_conn.cursor()
def initialize(self):
self._info("Initializing database...")
if not os.path.isfile(self.db_name):
self.create_db()
else:
# trigger connection
self.db_conn
@use_cursor
def create_db(self):
self._info("Creating database...")
statements = get_create_db_statements()
cursor = self.cursor
for statement in statements:
cursor.execute(statement)
@use_cursor
def get_id(self, name):
cursor = self.cursor
name += '"_history_id'
_id = cursor.execute('SELECT id FROM ?', (name,)).fetchone()[0] + 1
cursor.execute('UPDATE ? SET id=?', (name, _id))
return _id
@use_cursor
def purge_att_property(self, table, field, obj, attr, name):
cursor = self.cursor
cursor.execute(\
'SELECT DISTINCT id FROM ? WHERE ? = ? AND name = ? AND ' \
'attribute = ? ORDER BY date', (table, field, obj, name, attr))
rows = cursor.fetchall()
to_del = len(rows) - self.history_depth
if to_del > 0:
for row in rows[:to_del]:
cursor.execute('DELETE FROM ? WHERE id=?', (table, row[0]))
@use_cursor
def purge_property(self, table, field, obj, name):
cursor = self.cursor
cursor.execute(\
'SELECT DISTINCT id FROM ? WHERE ? = ? AND name = ? ' \
'ORDER BY date', (table, field, obj, name))
rows = cursor.fetchall()
to_del = len(rows) - self.history_depth
if to_del > 0:
for row in rows[:to_del]:
cursor.execute('DELETE FROM ? WHERE id=?', (table, row[0]))
@use_cursor
def get_device_host(self, name):
cursor = self.cursor
name = replace_wildcard(name)
cursor.execute('SELECT host FROM device WHERE name LIKE ?', (name,))
row = cursor.fetchone()
if row is None:
raise Exception("No host for device '" + name + "'")
else:
return row[0]
def send_starter_cmd(self, starter_dev_names):
for name in starter_dev_names:
pos = name.find('.')
if pos != -1:
name = name[0:pos]
dev = PyTango.DeviceProxy(name)
dev.UpdateServersInfo()
# TANGO API
def get_stored_procedure_release(self):
return 'release 1.8'
@use_cursor
def add_device(self, server_name, dev_info, klass_name, alias=None):
self._info("delete_attribute_alias(server_name=%s, dev_info=%s, klass_name=%s, alias=%s)",
server_name, dev_info, klass_name, alias)
dev_name, (domain, family, member) = dev_info
cursor = self.cursor
# first delete the tuple (device,name) from the device table
cursor.execute('DELETE FROM device WHERE name LIKE ?', (dev_name,))
# then insert the new value for this tuple
cursor.execute(\
'INSERT INTO device (name, alias, domain, family, member, exported, ' \
'ior, host, server, pid, class, version, started, stopped) ' \
'VALUES (?, ?, ?, ?, ?, 0, "nada", "nada", ?, 0, ?, "0", NULL, NULL)',
(dev_name, alias, domain, family, member, server_name, klass_name))
# Check if a DServer device entry for the process already exists
cursor.execute('SELECT name FROM device WHERE server LIKE ? AND class LIKE "DServer"', (server_name,))
if cursor.fetchone() is None:
dev_name = "dserver/" + server_name
domain, family, member = dev_name.split("/", 2)
cursor.execute(\
'INSERT INTO device (name, domain, family, member, exported, ior, ' \
'host, server, pid, class, version, started, stopped) ' \
'VALUES (?, ?, ?, ?, 0, "nada", "nada", ?, 0, "DServer", "0", NULL, NULL)',
(dev_name, domain, family, member, server_name))
@use_cursor
def delete_attribute_alias(self, alias):
self._info("delete_attribute_alias(alias=%s)", alias)
self.cursor.execute('DELETE FROM attribute_alias WHERE alias=?', (alias,))
@use_cursor
def delete_class_attribute(self, klass_name, attr_name):
self.cursor.execute(\
'DELETE FROM property_attribute_class WHERE class LIKE ? AND ' \
'attribute LIKE ?', (klass_name, attr_name))
@use_cursor
def delete_class_attribute_property(self, klass_name, attr_name, prop_name):
cursor = self.cursor
# Is there something to delete ?
cursor.execute(\
'SELECT count(*) FROM property_attribute_class WHERE class = ? ' \
'AND attribute = ? AND name = ?', (klass_name, attr_name, prop_name))
if cursor.fetchone()[0] > 0:
# then delete property from the property_attribute_class table
cursor.execute(\
'DELETE FROM property_attribute_class WHERE class = ? AND ' \
'attribute = ? and name = ?', (klass_name, attr_name, prop_name))
# mark this property as deleted
hist_id = self.get_id('class_attribute', cursor=cursor)
cursor.execute(\
'INSERT INTO property_attribute_class_hist (class, attribute, ' \
'name, id, count, value) VALUES ' \
'(?, ?, ?, ?, "0", "DELETED")',
(klass_name, attr_name, prop_name, hist_id))
self.purge_att_property("property_attribute_class_hist", "class",
klass_name, attr_name, prop_name, cursor=cursor)
@use_cursor
def delete_class_property(self, klass_name, prop_name):
cursor = self.cursor
prop_name = replace_wildcard(prop_name)
# Is there something to delete ?
cursor.execute(\
'SELECT DISTINCT name FROM property_class WHERE class=? AND ' \
'name LIKE ?', (klass_name, prop_name))
for row in cursor.fetchall():
# delete the tuple (device,name,count) from the property table
name = row[0]
cursor.execute(\
'DELETE FROM property_class WHERE class=? AND name=?',
(klass_name, name))
# Mark this property as deleted
hist_id = self.get_id("class", cursor=cursor)
cursor.execute(\
'INSERT INTO property_class_hist (class, name, id, count, value) ' \
'VALUES (?, ?, ?, "0", "DELETED")',
(klass_name, name, hist_id))
self.purge_property("property_class_hist", "class", klass_name,
name, cursor=cursor)
@use_cursor
def delete_device(self, dev_name):
self._info("delete_device(dev_name=%s)", dev_name)
cursor = self.cursor
dev_name = replace_wildcard(dev_name)
# delete the device from the device table
cursor.execute('DELETE FROM device WHERE name LIKE ?', (dev_name,))
# delete device from the property_device table
cursor.execute('DELETE FROM property_device WHERE device LIKE ?', (dev_name,))
# delete device from the property_attribute_device table
cursor.execute('DELETE FROM property_attribute_device WHERE device LIKE ?', (dev_name,))
@use_cursor
def delete_device_alias(self, dev_alias):
self._info("delete_device_alias(dev_alias=%s)", dev_alias)
self.cursor.execute('UPDATE device SET alias=NULL WHERE alias=?', (dev_alias,))
@use_cursor
def delete_device_attribute(self, dev_name, attr_name):
dev_name = replace_wildcard(dev_name)
self.cursor.execute(\
'DELETE FROM property_attribute_device WHERE device LIKE ? AND ' \
'attribute LIKE ?', (dev_name, attr_name))
@use_cursor
def delete_device_attribute_property(self, dev_name, attr_name, prop_name):
cursor = self.cursor
# Is there something to delete ?
cursor.execute(\
'SELECT count(*) FROM property_attribute_device WHERE device = ?' \
'AND attribute = ? AND name = ?', (dev_name, attr_name, prop_name))
if cursor.fetchone()[0] > 0:
# delete property from the property_attribute_device table
cursor.execute(\
'DELETE FROM property_attribute_device WHERE device = ? AND '
'attribute = ? AND name = ?', (dev_name, attr_name, prop_name))
# Mark this property as deleted
hist_id = self.get_id("device_attribute", cursor=cursor)
cursor.execute(\
'INSERT INTO property_attribute_device_hist ' \
'(device, attribute, name, id, count, value) VALUES ' \
'(?, ?, ?, ?, "0", "DELETED")', (dev_name, attr_name, prop_name, hist_id))
self.purge_att_property("property_attribute_device_hist", "device",
dev_name, attr_name, prop_name, cursor=cursor)
@use_cursor
def delete_device_property(self, dev_name, prop_name):
cursor = self.cursor
prop_name = replace_wildcard(prop_name)
# Is there something to delete ?
cursor.execute(\
'SELECT DISTINCT name FROM property_device WHERE device=? AND ' \
'name LIKE ?', (dev_name, prop_name))
for row in cursor.fetchall():
# delete the tuple (device,name,count) from the property table
cursor.execute(\
'DELETE FROM property_device WHERE device=? AND name LIKE ?',
(dev_name, prop_name))
# Mark this property as deleted
hist_id = self.get_id("device", cursor=cursor)
cursor.execute(\
'INSERT INTO property_device_hist (device, id, name, count, value) ' \
'VALUES (?, ?, ?, "0", "DELETED")', (dev_name, hist_id, row[0]))
self.purge_property("property_device_hist", "device", dev_name, row[0])
@use_cursor
def delete_property(self, obj_name, prop_name):
cursor = self.cursor
prop_name = replace_wildcard(prop_name)
# Is there something to delete ?
cursor.execute(\
'SELECT DISTINCT name FROM property WHERE object=? AND ' \
'name LIKE ?', (obj_name, prop_name))
for row in cursor.fetchall():
# delete the tuple (object,name,count) from the property table
cursor.execute(\
'DELETE FROM property_device WHERE device=? AND name LIKE ?',
(obj_name, prop_name))
# Mark this property as deleted
hist_id = self.get_id("object", cursor=cursor)
cursor.execute(\
'INSERT INTO property_hist (object, name, id, count, value) ' \
'VALUES (?, ?, ?, "0", "DELETED")', (obj_name, row[0], hist_id))
self.purge_property("property_hist", "object", obj_name, row[0])
@use_cursor
def delete_server(self, server_instance):
cursor = self.cursor
server_instance = replace_wildcard(server_instance)
previous_host = None
# get host where running
if self.fire_to_starter:
adm_dev_name = "dserver/" + server_instance
previous_host = self.get_device_host(adm_dev_name)
# then delete the device from the device table
cursor.execute('DELETE FROM device WHERE server LIKE ?', (server_instance,))
# Update host's starter to update controlled servers list
if self.fire_to_starter and previous_host:
self.send_starter_cmd(previous_host)
pass
@use_cursor
def delete_server_info(self, server_instance):
self.cursor.execute('DELETE FROM server WHERE name=?', (server_instance,))
@use_cursor
def export_device(self, dev_name, IOR, host, pid, version):
self._info("export_device(dev_name=%s, host=%s, pid=%s, version=%s)",
dev_name, host, pid, version)
self._info("export_device(IOR=%s)", IOR)
cursor = self.cursor
do_fire = False
previous_host = None
if self.fire_to_starter:
if dev_name[0:8] == "dserver/":
# Get database server name
tango_util = PyTango.Util.instance()
db_serv = tango_util.get_ds_name()
adm_dev_name = "dserver/" + db_serv.lower()
if dev_name != adm_dev_name and dev_name[0:16] != "dserver/starter/":
do_fire = True
previous_host = self.get_device_host(dev_name)
cursor.execute('SELECT server FROM device WHERE name LIKE ?', (dev_name,))
row = cursor.fetchone()
if row is None:
th_exc(DB_DeviceNotDefined,
"device " + dev_name + " not defined in the database !",
"DataBase::ExportDevice()")
server = row[0]
# update the new value for this tuple
cursor.execute(\
'UPDATE device SET exported=1, ior=?, host=?, pid=?, version=?, ' \
'started=datetime("now") WHERE name LIKE ?',
(IOR, host, pid, version, dev_name))
# update host name in server table
cursor.execute('UPDATE server SET host=? WHERE name LIKE ?', (host, server))
if do_fire:
hosts = []
hosts.append(host)
if previous_host != "" and previous_host != "nada" and previous_host != host:
hosts.append(previous_host)
self.send_starter_cmd(hosts)
@use_cursor
def export_event(self, event, IOR, host, pid, version):
cursor = self.cursor
cursor.execute(\
'INSERT event (name,exported,ior,host,server,pid,version,started) ' \
'VALUES (?, 1, ?, ?, ?, ?, ?, datetime("now")',
(event, IOR, host, event, pid, version))
@use_cursor
def get_alias_device(self, dev_alias):
cursor = self.cursor
cursor.execute('SELECT name FROM device WHERE alias LIKE ?',
(dev_alias,))
row = cursor.fetchone()
if row is None:
th_exc(DB_DeviceNotDefined,
"No device found for alias '" + dev_alias + "'",
"DataBase::GetAliasDevice()")
return row[0]
@use_cursor
def get_attribute_alias(self, attr_alias):
cursor = self.cursor
cursor.execute('SELECT name from attribute_alias WHERE alias LIKE ?',
(attr_alias,))
row = cursor.fetchone()
if row is None:
th_exc(DB_SQLError,
"No attribute found for alias '" + attr_alias + "'",
"DataBase::GetAttributeAlias()")
return row[0]
@use_cursor
def get_attribute_alias_list(self, attr_alias):
cursor = self.cursor
cursor.execute('SELECT DISTINCT alias FROM attribute_alias WHERE alias LIKE ? ORDER BY attribute',
(attr_alias,))
return [ row[0] for row in cursor.fetchall() ]
@use_cursor
def get_class_attribute_list(self, class_name, wildcard):
cursor = self.cursor
cursor.execute('SELECT DISTINCT attribute FROM property_attribute_class WHERE class=? and attribute like ?',
(class_name, wildcard))
return [ row[0] for row in cursor.fetchall() ]
@use_cursor
def get_class_attribute_property(self, class_name, attributes):
cursor = self.cursor
stmt = 'SELECT name,value FROM property_attribute_class WHERE class=? AND attribute LIKE ?'
result = [class_name, str(len(attributes))]
for attribute in attributes:
cursor.execute(stmt, (class_name, attribute))
rows = cursor.fetchall()
result.append(attribute)
result.append(str(len(rows)))
for row in rows:
result.append(row[0])
result.append(row[1])
return result
@use_cursor
def get_class_attribute_property2(self, class_name, attributes):
cursor = self.cursor
stmt = 'SELECT name,value FROM property_attribute_class WHERE class=? AND attribute LIKE ? ORDER BY name,count'
result = [class_name, str(len(attributes))]
for attribute in attributes:
cursor.execute(stmt, (class_name, attribute))
rows = cursor.fetchall()
result.append(attribute)
j = 0
new_prop = True
nb_props = 0
prop_size = 0
prop_names = []
prop_sizes = []
prop_values = []
for row in rows:
prop_values.append(row[1])
if j == 0:
old_name = row[0]
else:
name = row[0]
if name != old_name:
new_prop = True
old_name = name
else:
new_prop = False
j = j + 1
if new_prop == True:
nb_props = nb_props + 1
prop_names.append(row[0])
if prop_size != 0:
prop_sizes.append(prop_size)
prop_size = 1
else:
prop_size = prop_size + 1
result.append(str(nb_props))
j = 0
k = 0
for name in prop_names:
result.append(name)
result.append(prop_sizes[j])
for i in range(0, prop_sizes[j]):
result.append(prop_values[k])
k = k + 1
j = j + 1
return result
@use_cursor
def get_class_attribute_property_hist(self, class_name, attribute, prop_name):
cursor = self.cursor
stmt = 'SELECT DISTINCT id FROM property_attribute_class_hist WHERE class=? AND attribute LIKE ? AND name LIKE ? ORDER by date ASC'
result = []
cursor.execute(stmt, (class_name, attribute, prop_name))
for row in cursor.fetchall():
idr = row[0]
stmt = 'SELECT DATE_FORMAT(date,\'%Y-%m-%d %H:%i:%s\'),value,attribute,name,count FROM property_attribute_class_hist WHERE id =? AND class =?'
cursor.execute(stmt, (idr, class_name))
rows = cursor.fetchall()
result.append(rows[2])
result.append(rows[3])
result.append(rows[0])
result.append(str(rows[4]))
for value in rows[1]:
result.append(value)
return result
@use_cursor
def get_class_for_device(self, dev_name):
cursor = self.cursor
cursor.execute('SELECT DISTINCT class FROM device WHERE name=?', (dev_name,))
row = cursor.fetchone()
if row is None:
th_exc(DB_IncorrectArguments, "Class not found for " + dev_name,
"Database.GetClassForDevice")
return row
@use_cursor
def get_class_inheritance_for_device(self, dev_name):
cursor = self.cursor
class_name = self.get_class_for_device(dev_name, cursor=cursor)
props = self.get_class_property(class_name, "InheritedFrom", cursor=cursor)
return [class_name] + props[4:]
@use_cursor
def get_class_list(self, server):
cursor = self.cursor
cursor.execute('SELECT DISTINCT class FROM device WHERE class LIKE ? ORDER BY class', (server,))
return [ row[0] for row in cursor.fetchall() ]
@use_cursor
def get_class_property(self, class_name, properties):
cursor = self.cursor
stmt = 'SELECT count,value FROM property_class WHERE class=? AND name LIKE ? ORDER BY count'
result.append(class_name)
result.append(len(properties))
for prop_name in properties:
cursor.execute(stmt, (class_name, prop_name))
rows = cursor.fetchall()
result.append(prop_name)
result.append(str(len(rows)))
for row in rows:
result.append(row[1])
return result
@use_cursor
def get_class_property_hist(self, class_name, prop_name):
cursor = self.cursor
stmt = 'SELECT DISTINCT id FROM property_class_hist WHERE class=? AND AND name LIKE ? ORDER by date ASC'
result = []
cursor.execute(stmt, (class_name, prop_name))
for row in cursor.fetchall():
idr = row[0]
stmt = 'SELECT DATE_FORMAT(date,\'%Y-%m-%d %H:%i:%s\'),value,name,count FROM property_class_hist WHERE id =? AND class =?'
cursor.execute(stmt, (idr, class_name))
rows = cursor.fetchall()
result.append(rows[2])
result.append(rows[0])
result.append(str(rows[3]))
for value in rows[1]:
result.append(value)
return result
@use_cursor
def get_class_property_list(self, class_name):
cursor = self.cursor
cursor.execute('SELECT DISTINCT name FROM property_class WHERE class LIKE ? order by NAME',
(class_name,))
return [ row[0] for row in cursor.fetchall() ]
@use_cursor
def get_device_alias(self, dev_name):
cursor = self.cursor
cursor.execute('SELECT DISTINCT alias FROM device WHERE name LIKE ?',
(dev_name,))
row = cursor.fetchone()
if row is None:
th_exc(DB_DeviceNotDefined,
"No alias found for device '" + dev_name + "'",
"DataBase::GetDeviceAlias()")
return row[0]
@use_cursor
def get_device_alias_list(self, alias):
cursor = self.cursor
cursor.execute('SELECT DISTINCT alias FROM device WHERE alias LIKE ? ORDER BY alias',
(alias,))
return [ row[0] for row in cursor.fetchall() ]
@use_cursor
def get_device_attribute_list(self, dev_name, attribute):
cursor = self.cursor
cursor.execute('SELECT DISTINCT attribute FROM property_attribute_device WHERE device=? AND attribute LIKE ? ORDER BY attribute',
(dev_name, attribute,))
return [ row[0] for row in cursor.fetchall() ]
@use_cursor
def get_device_attribute_property(self, dev_name, attributes):
cursor = self.cursor
stmt = 'SELECT name,value FROM property_attribute_device WHERE device=? AND attribute LIKE ?'
result = [dev_name, str(len(attributes))]
for attribute in attributes:
cursor.execute(stmt, (dev_name, attribute))
rows = cursor.fetchall()
result.append(attribute)
result.append(str(len(rows)))
for row in rows:
result.append(row[0])
result.append(row[1])
return result
@use_cursor
def get_device_attribute_property2(self, dev_name, attributes):
cursor = self.cursor
stmt = 'SELECT name,value FROM property_attribute_device WHERE device=? AND attribute LIKE ? ORDER BY name,count'
result = [dev_name, str(len(attributes))]
for attribute in attributes:
cursor.execute(stmt, (dev_name, attribute))
rows = cursor.fetchall()
result.append(attribute)
j = 0
new_prop = True
nb_props = 0
prop_size = 0
prop_names = []
prop_sizes = []
prop_values = []
for row in rows:
prop_values.append(row[1])
if j == 0:
old_name = row[0]
else:
name = row[0]
if name != old_name:
new_prop = True
old_name = name
else:
new_prop = False
j = j + 1
if new_prop == True:
nb_props = nb_props + 1
prop_names.append(row[0])
if prop_size != 0:
prop_sizes.append(prop_size)
prop_size = 1
else:
prop_size = prop_size + 1
result.append(str(nb_props))
j = 0
k = 0
for name in prop_names:
result.append(name)
result.append(prop_sizes[j])
for i in range(0, prop_sizes[j]):
result.append(prop_values[k])
k = k + 1
j = j + 1
return result
@use_cursor
def get_device_attribute_property_hist(self, dev_name, attribute, prop_name):
cursor = self.cursor
stmt = 'SELECT DISTINCT id FROM property_attribute_device_hist WHERE device=? AND attribute LIKE ? AND name LIKE ? ORDER by date ASC'
result = []
cursor.execute(stmt, (dev_name, attribute, prop_name))
for row in cursor.fetchall():
idr = row[0]
stmt = 'SELECT DATE_FORMAT(date,\'%Y-%m-%d %H:%i:%s\'),value,attribute,name,count FROM property_attribute_device_hist WHERE id =? AND device =? ORDER BY count ASC'
cursor.execute(stmt, (idr, class_name))
rows = cursor.fetchall()
result.append(rows[2])
result.append(rows[3])
result.append(rows[0])
result.append(str(rows[4]))
for value in rows[1]:
result.append(value)
return result
@use_cursor
def get_device_class_list(self, server_name):
cursor = self.cursor
result = []
cursor.execute('SELECT name,class FROM device WHERE server =? ORDER BY name',
(server_name,))
for row in cursor.fetchall():
result.append(row[0])
result.append(row[1])
return result
@use_cursor
def get_device_domain_list(self, wildcard):
cursor = self.cursor
cursor.execute('SELECT DISTINCT domain FROM device WHERE name LIKE ? OR alias LIKE ? ORDER BY domain',
(wildcard,wildcard))
return [ row[0] for row in cursor.fetchall() ]
@use_cursor
def get_device_exported_list(self, wildcard):
cursor = self.cursor
cursor.execute('SELECT DISTINCT name FROM device WHERE (name LIKE ? OR alias LIKE ?) AND exported=1 ORDER BY name',
(wildcard,wildcard))
return [ row[0] for row in cursor.fetchall() ]
@use_cursor
def get_device_family_list(self, wildcard):
cursor = self.cursor
cursor.execute('SELECT DISTINCT family FROM device WHERE name LIKE ? OR alias LIKE ? ORDER BY family',
(wildcard,wildcard))
return [ row[0] for row in cursor.fetchall() ]
@use_cursor
def get_device_info(self, dev_name):
cursor = self.cursor
cursor.execute('SELECT exported,ior,version,pid,server,host,started,stopped,class FROM device WHERE name =? or alias =?',
(dev_name,dev_name))
result_long = []
result_str = []
for row in cursor.fetchall():
if ((row[4] == None) or (row[5] == None)):
th_exc(DB_SQLError,
"Wrong info in database for device '" + dev_name + "'",
"DataBase::GetDeviceInfo()")
result_str.append(dev_name)
if raw[1] != None:
result_str.append(str(raw[1]))
else:
result_str.append("")
result_str.append(str(raw[2]))
result_str.append(str(raw[4]))
result_str.append(str(raw[5]))
for i in range(0,2):
cursor.execute('SELECT DATE_FORMAT(?,\'%D-%M-%Y at %H:%i:%s\')', raw[6 + i])
tmp_date = cursor.fetchone()
if tmp_date == None:
result_str.append("?")
else:
result_str.append(str(tmp_date))
for i in range(0,2):
if raw[i] != None:
result_long.append(raw[i])
result = (result_long, result_str)
return result
@use_cursor
def get_device_list(self,server_name, class_name ):
cursor = self.cursor
cursor.execute('SELECT DISTINCT name FROM device WHERE server LIKE ? AND class LIKE ? ORDER BY name',
(server_name, class_name))
return [ row[0] for row in cursor.fetchall() ]
@use_cursor
def get_device_wide_list(self, wildcard):
cursor = self.cursor
cursor.execute('SELECT DISTINCT name FROM device WHERE name LIKE ? ORDER BY name',
(wildcard,))
return [ row[0] for row in cursor.fetchall() ]
@use_cursor
def get_device_member_list(self, wildcard):
cursor = self.cursor
cursor.execute('SELECT DISTINCT member FROM device WHERE name LIKE ? ORDER BY member',
(wildcard,))
return [ row[0] for row in cursor.fetchall() ]
@use_cursor
def get_device_property(self, dev_name, properties):
cursor = self.cursor
stmt = 'SELECT count,value,name FROM property_device WHERE device = ? AND name LIKE ? ORDER BY count'
result = []
result.append(dev_name)
result.append(str(len(properties)))
for prop in properties:
result.append(prop)
tmp_name = replace_wildcard(prop)
cursor.execute(stmt, (dev_name, tmp_name))
rows = cursor.fetchall()
result.append(attribute)
result.append(str(len(rows)))
for row in rows:
result.append(row[1])
return result
@use_cursor
def get_device_property_hist(self, device_name, prop_name):
cursor = self.cursor
stmt = 'SELECT DISTINCT id FROM property_device_hist WHERE device=? AND name LIKE ? ORDER by date ASC'
result = []
tmp_name = replace_wildcard(prop_name);
cursor.execute(stmt, (class_name, device_name, tmp_name))
stmt = 'SELECT DATE_FORMAT(date,\'%Y-%m-%d %H:%i:%s\'),value,name,count FROM property_device_hist WHERE id =? AND device =? ORDER BY count ASC'
for row in cursor.fetchall():
idr = row[0]
cursor.execute(stmt, (idr, device_name))
rows = cursor.fetchall()
result.append(rows[2])
result.append(rows[0])
result.append(str(rows[3]))
for value in rows[1]:
result.append(value)
return result
@use_cursor
def get_device_server_class_list(self, server_name):
cursor = self.cursor
cursor.execute('SELECT DISTINCT class FROM device WHERE server LIKE ? ORDER BY class',
(sever_name,))
return [ row[0] for row in cursor.fetchall() ]
@use_cursor
def get_exported_device_list_for_class(self, class_name):
cursor = self.cursor
cursor.execute('SELECT DISTINCT name FROM device WHERE class LIKE ? AND exported=1 ORDER BY name',
(class_name,))
return [ row[0] for row in cursor.fetchall() ]
@use_cursor
def get_host_list(self, host_name):
cursor = self.cursor
cursor.execute('SELECT DISTINCT host FROM device WHERE host LIKE ? ORDER BY host',
(host_name,))
return [ row[0] for row in cursor.fetchall() ]
@use_cursor
def get_host_server_list(self, host_name):
cursor = self.cursor
cursor.execute('SELECT DISTINCT server FROM device WHERE host LIKE ? ORDER BY server',
(host_name,))
return [ row[0] for row in cursor.fetchall() ]
def get_host_servers_info(self, host_name):
servers = self.get_host_server_list(host_name)
result = []
for server in servers:
result.append(server)
info = self.get_server_info(server)
result.append(info[2])
result.append(info[3])
return result
def get_instance_name_list(self, server_name):
server_name = server_name + "\*"
server_list = self.get_server_list(server_name)
result = []
for server in server_list:
names = server.split("/")
result.append(names[1])
return result
@use_cursor
def get_object_list(self, name):
cursor = self.cursor
cursor.execute('SELECT DISTINCT object FROM property WHERE object LIKE ? ORDER BY object',
(name,))
return [ row[0] for row in cursor.fetchall() ]
@use_cursor
def get_property(self, object_name, properties):
cursor = self.cursor
result = []
result.append(object_name)
result.append(str(len(properties)))
stmt = 'SELECT count,value,name FROM property WHERE object LIKE ? AND name LIKE ? ORDER BY count'
for prop_name in properties:
result.append(prop_name)
prop_name = replace_wildcard(prop_name)
cursor.execute(stmt, (object_name,prop_name))
rows = cursor.fetchall()
n_rows = len(rows)
result.append(n_rows)
if n_rows:
for row in rows:
result.append(row[1])
else:
result.append(" ")
return result
@use_cursor
def get_property_hist(self, object_name, prop_name):
cursor = self.cursor
result = []
stmt = 'SELECT DISTINCT id FROM property_hist WHERE object=? AND name LIKE ? ORDER by date'
prop_name = replace_wildcard(prop_name)
cursor.execute(stmt, (object_name, prop_name))
stmt = 'SELECT DATE_FORMAT(date,\'%Y-%m-%d %H:%i:%s\'),value,name,count FROM property_hist WHERE id =? AND object =?'
for row in cursor.fetchall():
idr = row[0]
cursor.execute(stmt, (idr, object_name))
rows = cursor.fetchall()
count = len(rows)
if rows[3] == 0:
count = 0
result.append(rows[2])
result.append(rows[0])
result.append(str(count))
for tmp_row in rows:
result.append(tmp_row[1])
return result
@use_cursor
def get_property_list(self, object_name, wildcard):
cursor = self.cursor
cursor.execute('SELECT DISTINCT name FROM property WHERE object LIKE ? AND name LIKE ? ORDER BY name',
(object_name,wildcard))
return [ row[0] for row in cursor.fetchall() ]
@use_cursor
def get_server_info(self, server_name):
cursor = self.cursor
cursor.execute('SELECT host,mode,level FROM server WHERE name =?',
(server_name,))
result = []
result.append(server_name)
row = cursor.fetchone()
if row is None:
result.append(" ")
result.append(" ")
result.append(" ")
else:
result.append(row[0])
result.append(row[1])
result.append(row[2])
return result
@use_cursor
def get_server_list(self, wildcard):
cursor = self.cursor
cursor.execute('SELECT DISTINCT server FROM device WHERE server LIKE ? ORDER BY server',
(wildcard,))
return [ row[0] for row in cursor.fetchall() ]
def get_server_list(self, wildcard):
result = []
server_list = self.get_server_list(wildcard)
for server in server_list:
found = 0
server_name = server.split("/")[0]
for res in result:
if server_name.lower() == res.lower():
found = 1
if not found:
result.append(server_name)
return result
@use_cursor
def import_device(self, dev_name):
cursor = self.cursor
result_long = []
result_str = []
# Search first by server name and if nothing found by alias
# Using OR takes much more time
cursor.execute('"SELECT exported,ior,version,pid,server,host,class FROM device WHERE name =?',
(dev_name,))
rows = cursor.fetchall()
if len(rows) == 0:
cursor.execute('"SELECT exported,ior,version,pid,server,host,class FROM device WHERE alias =?',
(dev_name,))
rows = cursor.fetchall()
if len(rows) == 0:
th_exc(DB_DeviceNotDefined,
"device " + dev_name + " not defined in the database !",
"DataBase::ImportDevice()")
for row in rows:
result_str.append(dev_name)
result_str.append(row[2])
result_str.append(row[4])
result_str.append(row[5])
result_str.append(row[6])
if row[1] != None:
result_str.append(row[1])
else:
result_str.append("")
result_long.append(row[0])
result_long.append(row[3])
result = (result_long, result_str)
return result
@use_cursor
def import_event(self, event_name):
cursor = self.cursor
result_long = []
result_str = []
cursor.execute('"SELECT exported,ior,version,pid,host FROM event WHERE name =?',
(event_name,))
rows = cursor.fetchall()
if len(rows) == 0:
th_exc(DB_DeviceNotDefined,
"event " + event_name + " not defined in the database !",
"DataBase::ImportEvent()")
for row in rows:
result_str.append(event_name)
result_str.append(row[1])
result_str.append(row[2])
result_str.append(row[4])
exported = -1
if row[0] != None:
exported = row[0]
result_long.append(exported)
result_long.append(row[3])
result = (result_long, result_str)
return result
@use_cursor
def info(self):
cursor = self.cursor
result = []
# db name
info_str = "TANGO Database " + self.db_name
result.append(info_str)
# new line
result.append("")
# get start time of database
cursor.execute('SELECT started FROM device WHERE name =?',
(self.db_name,))
row = cursor.fetchone()
info_str = "Running since ..." + str(row[0])
result.append(info_str)
# new line
result.append("")
# get number of devices defined
cursor.execute('SELECT COUNT(*) FROM device')
row = cursor.fetchone()
info_str = "Devices defined = " + str(row[0])
result.append(info_str)
# get number of devices exported
cursor.execute('SELECT COUNT(*) FROM device WHERE exported = 1')
row = cursor.fetchone()
info_str = "Devices exported = " + str(row[0])
result.append(info_str)
# get number of device servers defined
cursor.execute('SELECT COUNT(*) FROM device WHERE class = \"DServer\" ')
row = cursor.fetchone()
info_str = "Device servers defined = " + str(row[0])
result.append(info_str)
# get number of device servers exported
cursor.execute('SELECT COUNT(*) FROM device WHERE class = \"DServer\" AND exported = 1')
row = cursor.fetchone()
info_str = "Device servers exported = " + str(row[0])
result.append(info_str)
# new line
result.append("")
# get number of device properties
cursor.execute('SELECT COUNT(*) FROM property_device')
row = cursor.fetchone()
info_str = "Device properties defineed = " + str(row[0])
cursor.execute('SELECT COUNT(*) FROM property_device_hist')
row = cursor.fetchone()
info_str = info_str + " [History lgth = " + str(row[0]) + "]"
result.append(info_str)
# get number of class properties
cursor.execute('SELECT COUNT(*) FROM property_class')
row = cursor.fetchone()
info_str = "Class properties defined = " + str(row[0])
cursor.execute('SELECT COUNT(*) FROM property_class_hist')
row = cursor.fetchone()
info_str = info_str + " [History lgth = " + str(row[0]) + "]"
result.append(info_str)
# get number of device attribute properties
cursor.execute('SELECT COUNT(*) FROM property_attribute_device')
row = cursor.fetchone()
info_str = "Device attribute properties defined = " + str(row[0])
cursor.execute('SELECT COUNT(*) FROM property_attribute_device_hist')
row = cursor.fetchone()
info_str = info_str + " [History lgth = " + str(row[0]) + "]"
result.append(info_str)
# get number of class attribute properties
cursor.execute('SELECT COUNT(*) FROM property_attribute_class')
row = cursor.fetchone()
info_str = "Class attribute properties defined = " + str(row[0])
cursor.execute('SELECT COUNT(*) FROM property_attribute_class_hist')
row = cursor.fetchone()
info_str = info_str + " [History lgth = " + str(row[0]) + "]"
result.append(info_str)
# get number of object properties
cursor.execute('SELECT COUNT(*) FROM property')
row = cursor.fetchone()
info_str = "Object properties defined = " + str(row[0])
cursor.execute('SELECT COUNT(*) FROM property_hist')
row = cursor.fetchone()
info_str = info_str + " [History lgth = " + str(row[0]) + "]"
result.append(info_str)
return result
@use_cursor
def put_attribute_alias(self, attribute_name, attribute_alias):
cursor = self.cursor
attribute_name = attribute_name.lower()
# first check if this alias exists
cursor.execute('SELECT alias from attribute_alias WHERE alias=? AND name <> ? ',
(attribute_alias,attribute_name))
rows = cursor.fetchall()
if len(rows) > 0:
self.warn_stream("DataBase::DbPutAttributeAlias(): this alias exists already ")
th_exc(DB_SQLError,
"alias " + attribute_alias + " already exists !",
"DataBase::DbPutAttributeAlias()")
tmp_names = attribute_name.split("/")
if len(tmp_names) != 4:
self.warn_stream("DataBase::DbPutAttributeAlias(): attribute name has bad syntax, must have 3 / in it")
th_exc(DB_SQLError,
"attribute name " + attribute_name + " has bad syntax, must have 3 / in it",
"DataBase::DbPutAttributeAlias()")
# first delete the current entry (if any)
cursor.execute('DELETE FROM attribute_alias WHERE name=?',
(attribute_name,))
# update the new value for this tuple
tmp_device = tmp_names[0] + "/" + tmp_names[1] + "/" + tmp_names[2]
tmp_attribute = tmp_names[3]
cursor.execute('INSERT attribute_alias SET alias=? ,name=?, device=?,updated=NOW()',
(attribute_alias, tmp_device, tmp_attribute))
@use_cursor
def put_class_attribute_property(self, class_name, nb_attributes, attr_prop_list):
cursor = self.cursor
k = 0
for i in range(0,nb_attributes):
tmp_attribute = attr_prop_list[k]
nb_properties = int(attr_prop_list[k+1])
for j in range(k+2,k+nb_properties*2+2,2):
tmp_name = attr_prop_list[j]
tmp_value = attr_prop_list[j+1]
# first delete the tuple (device,name,count) from the property table
cursor.execute('DELETE FROM property_attribute_class WHERE class LIKE ? AND attribute LIKE ? AND name LIKE ?', (class_name, tmp_attribute, tmp_name))
# then insert the new value for this tuple
cursor.execute('INSERT INTO property_attribute_class SET class=? ,attribute=?,name=?,count=\'1\',value=?,updated=NULL,accessed=NULL', (class_name, tmp_attribute, tmp_name, tmp_value))
# then insert the new value into the history table
hist_id = self.get_id("class_attribute", cursor=cursor)
cursor.execute('INSERT INTO property_attribute_class_hist SET class=?,attribute=?,name=?,id=?,count=\'1\',value=?', (class_name, tmp_attribute, tmp_name,hist_id,tmp_value))
self.purge_att_property("property_attribute_class_hist", "class",
class_name, tmp_attribute, tmp_name, cursor=cursor)
k = k + nb_properties*2+2
@use_cursor
def put_class_attribute_property2(self, class_name, nb_attributes, attr_prop_list):
cursor = self.cursor
k = 0
for i in range(0,nb_attributes):
tmp_attribute = attr_prop_list[k]
nb_properties = int(attr_prop_list[k+1])
for jj in range(0,nb_properties,1):
j = k + 2
tmp_name = attr_prop_list[j]
# first delete the tuple (device,name,count) from the property table
cursor.execute('DELETE FROM property_attribute_class WHERE class LIKE ? AND attribute LIKE ? AND name LIKE ?', (class_name, tmp_attribute, tmp_name))
n_rows = attr_prop_list[j+1]
tmp_count = 0
for l in range(j+1,j+n_rows+1,1):
tmp_value = attr_prop_list[l+1]
tmp_count = tmp_count + 1
# then insert the new value for this tuple
cursor.execute('INSERT INTO property_attribute_class SET class=? ,attribute=?,name=?,count=?,value=?,updated=NULL,accessed=NULL', (class_name, tmp_attribute, tmp_name, str(tmp_count), tmp_value))
# then insert the new value into the history table
hist_id = self.get_id("class_attribute", cursor=cursor)
cursor.execute('INSERT INTO property_attribute_class_hist SET class=?,attribute=?,name=?,id=?,count=?,value=?', (class_name, tmp_attribute, tmp_name,hist_id, str(tmp_count),tmp_value))
self.purge_att_property("property_attribute_class_hist", "class",
class_name, tmp_attribute, tmp_name, cursor=cursor)
k = k + n_rows + 2
k = k + 2
@use_cursor
def put_class_property(self, class_name, nb_properties, attr_prop_list):
cursor = self.cursor
k = 0
for i in range(0,nb_properties):
tmp_count = 0
tmp_name = attr_prop_list[k]
n_rows = attr_prop_list[k+1]
# first delete all tuples (device,name) from the property table
cursor.execute('DELETE FROM property_class WHERE class LIKE ? AND name LIKE ?', (class_name, tmp_name))
for j in range(k+2,k+n_rows+2,1):
tmp_value = attr_prop_list[j]
tmp_count = tmp_count+1
# then insert the new value for this tuple
cursor.execute('INSERT INTO property_class SET class=? ,name=?,count=?,value=?,updated=NULL,accessed=NULL', (class_name, tmp_name, str(tmp_count), tmp_value))
# then insert the new value into the history table
hist_id = self.get_id("class", cursor=cursor)
cursor.execute('INSERT INTO property_class_hist SET class=?,name=?,id=?,count=?,value=?', (class_name, tmp_name,hist_id, str(tmp_count),tmp_value))
self.purge_att_property("property_class_hist", "class",
class_name, tmp_name, cursor=cursor)
k = k + n_rows + 2
@use_cursor
def put_device_alias(self, device_name, device_alias):
cursor = self.cursor
device_name = device_name.lower()
# first check if this alias exists
cursor.execute('SELECT alias from device WHERE alias=? AND name <>?',
(device_alias, device_name))
rows = cursor.fetchall()
if len(rows) > 0:
self.warn_stream("DataBase::DbPutDeviceAlias(): this alias exists already ")
th_exc(DB_SQLError,
"alias " + device_alias + " already exists !",
"DataBase::DbPutDeviceAlias()")
# update the new value for this tuple
cursor.execute('UPDATE device SET alias=? ,started=NOW() where name LIKE ?',
(device_alias, device_name))
@use_cursor
def put_device_attribute_property(self, device_name, nb_attributes, attr_prop_list):
cursor = self.cursor
k = 0
for i in range(0,nb_attributes):
tmp_attribute = attr_prop_list[k]
nb_properties = int(attr_prop_list[k+1])
for j in range(k+2,k+nb_properties*2+2,2):
tmp_name = attr_prop_list[j]
tmp_value = attr_prop_list[j+1]
# first delete the tuple (device,name,count) from the property table
cursor.execute('DELETE FROM property_attribute_device WHERE device LIKE ? AND attribute LIKE ? AND name LIKE ?', (device_name, tmp_attribute, tmp_name))
# then insert the new value for this tuple
cursor.execute('INSERT INTO property_attribute_device SET device=? ,attribute=?,name=?,count=\'1\',value=?,updated=NULL,accessed=NULL', (device_name, tmp_attribute, tmp_name, tmp_value))
# then insert the new value into the history table
hist_id = self.get_id("device_attribute", cursor=cursor)
cursor.execute('INSERT INTO property_attribute_device_hist SET device=?,attribute=?,name=?,id=?,count=\'1\',value=?', (device_name, tmp_attribute, tmp_name,hist_id,tmp_value))
self.purge_att_property("property_attribute_device_hist", "device",
device_name, tmp_attribute, tmp_name, cursor=cursor)
k = k + nb_properties*2+2
@use_cursor
def put_device_attribute_property2(self, device_name, nb_attributes, attr_prop_list):
cursor = self.cursor
k = 0
for i in range(0,nb_attributes):
tmp_attribute = attr_prop_list[k]
nb_properties = int(attr_prop_list[k+1])
for jj in range(0,nb_properties,1):
j = k + 2
tmp_name = attr_prop_list[j]
# first delete the tuple (device,name,count) from the property table
cursor.execute('DELETE FROM property_attribute_device WHERE device LIKE ? AND attribute LIKE ? AND name LIKE ?', (device_name, tmp_attribute, tmp_name))
n_rows = attr_prop_list[j+1]
tmp_count = 0
for l in range(j+1,j+n_rows+1,1):
tmp_value = attr_prop_list[l+1]
tmp_count = tmp_count + 1
# then insert the new value for this tuple
cursor.execute('INSERT INTO property_attribute_device SET device=? ,attribute=?,name=?,count=?,value=?,updated=NULL,accessed=NULL', (device_name, tmp_attribute, tmp_name, str(tmp_count), tmp_value))
# then insert the new value into the history table
hist_id = self.get_id("device_attribute", cursor=cursor)
cursor.execute('INSERT INTO property_attribute_device_hist SET device=?,attribute=?,name=?,id=?,count=?,value=?', (device_name, tmp_attribute, tmp_name,hist_id, str(tmp_count),tmp_value))
self.purge_att_property("property_attribute_device_hist", "device",
device_name, tmp_attribute, tmp_name, cursor=cursor)
k = k + n_rows + 2
k = k + 2
@use_cursor
def put_device_property(self, device_name, nb_properties, attr_prop_list):
cursor = self.cursor
k = 0
hist_id = self.get_id("device", cursor=cursor)
for i in range(0,nb_properties):
tmp_count = 0
tmp_name = attr_prop_list[k]
n_rows = attr_prop_list[k+1]
# first delete all tuples (device,name) from the property table
cursor.execute('DELETE FROM property_device WHERE device LIKE ? AND name LIKE ?', (device_name, tmp_name))
for j in range(k+2,k+n_rows+2,1):
tmp_value = attr_prop_list[j]
tmp_count = tmp_count+1
# then insert the new value for this tuple
cursor.execute('INSERT INTO property_device SET device=? ,name=?,count=?,value=?,updated=NULL,accessed=NULL', (device_name, tmp_name, str(tmp_count), tmp_value))
# then insert the new value into the history table
cursor.execute('INSERT INTO property_device_hist SET device=?,name=?,id=?,count=?,value=?', (device_name, tmp_name,hist_id, str(tmp_count),tmp_value))
self.purge_att_property("property_device_hist", "device",
device_name, tmp_name, cursor=cursor)
k = k + n_rows + 2
@use_cursor
def put_property(self, object_name, nb_properties, attr_prop_list):
cursor = self.cursor
k = 0
hist_id = self.get_id("object", cursor=cursor)
for i in range(0,nb_properties):
tmp_count = 0
tmp_name = attr_prop_list[k]
n_rows = attr_prop_list[k+1]
# first delete the property from the property table
cursor.execute('DELETE FROM property WHERE object =? AND name =?', (object_name, tmp_name))
for j in range(k+2,k+n_rows+2,1):
tmp_value = attr_prop_list[j]
tmp_count = tmp_count+1
# then insert the new value for this tuple
cursor.execute('INSERT INTO property SET object=? ,name=?,count=?,value=?,updated=NULL,accessed=NULL', (object_name, tmp_name, str(tmp_count), tmp_value))
# then insert the new value into the history table
cursor.execute('INSERT INTO property_hist SET object=?,name=?,id=?,count=?,value=?', (object_name, tmp_name,hist_id, str(tmp_count),tmp_value))
self.purge_att_property("property_hist", "object",
object_name, tmp_name, cursor=cursor)
k = k + n_rows + 2
@use_cursor
def put_server_info(self, tmp_server, tmp_host, tmp_mode, tmp_level, tmp_extra):
cursor = self.cursor
# If it is an empty host name -> get previous host where running
previous_host = ""
if self.fire_to_starter:
if tmp_host == "":
adm_dev_name = "dserver/" + tmp_server
previous_host = self.get_device_host(adm_dev_name)
# first delete the server from the server table
cursor.execute('DELETE FROM server WHERE name=?', (tmp_server,))
# insert the new info for this server
cursor.execute('INSERT INTO server SET name=? ,host=? ,mode=? ,level=?', ( tmp_server, tmp_host, tmp_mode, tmp_level))
# Update host's starter to update controlled servers list
if self.fire_to_starter:
hosts = []
if previous_host == "":
hosts.append(tmp_host)
else:
hosts.append(previous_host)
self.send_starter_cmd(hosts)
@use_cursor
def uexport_device(self, dev_name):
cursor = self.cursor
self._info("un-export device(dev_name=%s)", dev_name)
cursor.execute('UPDATE device SET exported=0,stopped=NOW() WHERE name LIKE ?', (dev_name,))
@use_cursor
def uexport_event(self, event_name):
cursor = self.cursor
self._info("un-export event (event_name=%s)", event_name)
cursor.execute('UPDATE event SET exported=0,stopped=NOW() WHERE name LIKE ?', (event_name,))
@use_cursor
def uexport_server(self, server_name):
cursor = self.cursor
self._info("un-export all devices from server ", server_name)
cursor.execute('UPDATE device SET exported=0,stopped=NOW() WHERE server LIKE ?', (server_name,))
@use_cursor
def delete_all_device_attribute_property(self, dev_name, attr_list):
cursor = self.cursor
for attr_name in attr_list:
self._info("_delete_all_device_attribute_property(): delete device %s attribute %s property(ies) from database", dev_name, attr_name)
#Is there something to delete ?
cursor.execute('SELECT DISTINCT name FROM property_attribute_device WHERE device =? AND attribute = ?', (dev_name,attr_name))
rows = cursor.fetchall()
if len(rows) != 0:
cursor.execute('DELETE FROM property_attribute_device WHERE device = ? AND attribute = ?', (dev_name,attr_name))
# Mark this property as deleted
for row in rows:
hist_id = self.get_id('device_attribute', cursor=cursor)
cursor.execute('INSERT INTO property_attribute_device_hist SET device=?,attribute=?,name=?,id=?,count=\'0\',value=\'DELETED\'', (dev_name,attr_name,row[0], hist_id))
self.purge_att_property("property_attribute_device_hist", "device",
dev_name, attr_name, row[0], cursor=cursor)
@use_cursor
def my_sql_select(self, cmd):
cursor = self.cursor
cursor.execute(cmd)
result_long = []
result_str = []
rows = cursor.fetchall()
nb_fields = 0
for row in rows:
if row == None:
result_str.append("")
result_long.append(0)
else:
for field in row:
nb_fields = nb_fields + 1
if field != None:
result_str.append(str(field))
result_long.append(1)
else:
result_str.append("")
result_long.append(0)
result_long.append(len(rows))
result_long.append(nb_fields)
result = (result_long, result_str)
return result
@use_cursor
def get_csdb_server_list(self):
cursor = self.cursor
cursor.execute('SELECT DISTINCT ior FROM device WHERE exported=1 AND domain=\'sys\' AND family=\'database\'')
return [ row[0] for row in cursor.fetchall() ]
@use_cursor
def get_attribute_alias2(self, attr_name):
cursor = self.cursor
cursor.execute('SELECT alias from attribute_alias WHERE name LIKE ? ',(attr_name,))
return [ row[0] for row in cursor.fetchall() ]
@use_cursor
def get_alias_attribute(self, alias_name):
cursor = self.cursor
cursor.execute('SELECT name from attribute_alias WHERE alias LIKE ? ',(alias_name,))
return [ row[0] for row in cursor.fetchall() ]
@use_cursor
def rename_server(self, old_name, new_name):
cursor = self.cursor
# Check that the new name is not already used
new_adm_name = "dserver/" + new_name
cursor.execute('SELECT name from device WHERE name = ? ',(new_adm_name,))
rows = cursor.fetchall()
if len(rows) != 0:
th_exc(DB_SQLError,
"Device server process name " + attribute_alias + "is already used !",
"DataBase::DbRenameServer()")
# get host where running
previous_host = ""
if self.fire_to_starter:
try:
adm_dev = "dserver/" + old_name
previous_host = self.get_device_host(adm_dev)
except:
th_exc(DB_IncorrectServerName,
"Server " + old_name + "not defined in database!",
"DataBase::DbRenameServer()")
# Change ds exec name. This means
# 1 - Update the device's server column
# 2 - Change the ds admin device name
# 3 - Change admin device property (if any)
# 4 - Change admin device attribute property (if any)
old_adm_name = "dserver/" + old_name
tmp_new = new_name.split('/')
new_exec = tmp_new[0]
new_inst = tmp_new[1]
new_adm_name = "dserver/" + new_name
cursor.execute('UPDATE device SET name =?, family =?, mamber =? WHERE name =?', (new_adm_name, new_exec, new_inst, old_adm_name))
cursor.execute('UPDATE property_device set device=? WHERE device=?', (new_adm_name, old_adm_name))
cursor.execute('UPDATE property_attribute_device set device=? WHERE device=?', (new_adm_name, old_adm_name))
# Update host's starter to update controlled servers list
if self.fire_to_starter:
hosts = []
if previous_host == "":
hosts.append(tmp_host)
else:
hosts.append(previous_host)
self.send_starter_cmd(hosts)
class sqlite3(Tango_dbapi2):
DB_API_NAME = 'sqlite3'
def main():
db = Tango_sqlite3()
db.add_device("MyServer/my1", ("a/b/c", ("a", "b", "c")), "MyClass")
db.close_db()
def get_db(**keys):
return Executor.submit(sqlite3).result()
if __name__ == "__main__":
main()
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