import os
import sys
import socket
from PyTango import Database
DEFAULT_TANGO_DEVICE_COMMANDS = frozenset(['State', 'Status', 'Init'])
DEFAULT_TANGO_DEVICE_ATTRIBUTES = frozenset(['State', 'Status'])
SIM_CONTROL_ADDITIONAL_IMPLEMENTED_ATTR = set([
'Status', # Tango library attribute
'State', # Tango library attribute
'attribute_name', # Attribute indentifier for attribute to be controlled
'pause_active' # Flag for pausing the model updates
])
# Mandatory parameters required to create a well configure Tango attribute.
DEFAULT_TANGO_ATTRIBUTE_PARAMETER_TEMPLATE = {
'abs_change': '',
'archive_abs_change': '',
'archive_period': '',
'archive_rel_change': '',
'data_format': '',
'format': '',
'data_type': '',
'delta_t': '',
'delta_val': '',
'description': '',
'display_level': '',
'enum_lables': [],
'event_period': '',
'label': '',
'max_alarm': '',
'max_warning': '',
'max_dim_x': '',
'max_dim_y': '',
'max_value': '',
'min_alarm': '',
'min_value': '',
'min_warning': '',
'name': '',
'period': '',
'rel_change': '',
'unit': '',
'update_period': '',
'writable': ''
}
TANGO_NOT_SPECIFIED_PROPS = ['Not specified', 'No display unit', 'No standard unit']
[docs]def get_server_name():
"""Gets the TANGO server name from the command line arguments
Returns
-------
server_name : str
tango device server name
Note
====
Extract the Tango server_name or equivalent executable
(i.e.sim_xmi_parser.py -> sim_xmi_parser or
/usr/local/bin/mkat-tango-katcpdevice2tango-DS ->
mkat-tango-katcpdevice2tango-DS) from the command line
arguments passed, where sys.argv[1] is the server instance.
"""
executable_name = os.path.split(sys.argv[0].split('.')[0])[1]
server_name = executable_name + '/' + sys.argv[1]
return server_name
[docs]def append_device_to_db_file(server, instance, device, db_file_name,
tangoclass=None, properties={}):
"""Generate a database file corresponding to the given arguments."""
if not tangoclass:
tangoclass = server
# Open the file
with open(db_file_name, 'a') as f:
f.write("/".join((server, instance, "DEVICE", tangoclass)))
f.write(': "' + device + '"\n')
# Create database
db = Database(db_file_name)
# Patched the property dict to avoid a PyTango bug
patched = dict((key, value if value != '' else ' ')
for key, value in properties.items())
# Write properties
db.put_device_property(device, patched)
return db
[docs]def get_port():
sock = socket.socket()
sock.bind(('', 0))
res = sock.getsockname()[1]
del sock
return res
[docs]def get_host_address():
host_name = socket.gethostname()
return host_name
