/usr/share/pyshared/PyTango/device_attribute.py is in python-pytango 7.2.2-1.
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##
## This file is part of PyTango, a python binding for Tango
##
## http://www.tango-controls.org/static/PyTango/latest/doc/html/index.html
##
## Copyright 2011 CELLS / ALBA Synchrotron, Bellaterra, Spain
##
## PyTango is free software: you can redistribute it and/or modify
## it under the terms of the GNU Lesser General Public License as published by
## the Free Software Foundation, either version 3 of the License, or
## (at your option) any later version.
##
## PyTango is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU Lesser General Public License for more details.
##
## You should have received a copy of the GNU Lesser General Public License
## along with PyTango. If not, see <http://www.gnu.org/licenses/>.
##
################################################################################
"""
This is an internal PyTango module.
"""
__all__ = []
__docformat__ = "restructuredtext"
import copy
from utils import document_method as __document_method
from _PyTango import DeviceAttribute, ExtractAs
def __DeviceAttribute__get_data(self):
return self.get_data_raw().extract()
def __DeviceAttribute__init(self, da=None):
if da is None:
DeviceAttribute.__init_orig(self)
else:
DeviceAttribute.__init_orig(self, da)
try: self.value = copy.deepcopy(da.value)
except: pass
try: self.w_value = copy.deepcopy(da.w_value)
except: pass
try: self.scalar_w_value = da.scalar_w_value
except: pass
self.type = da.type
self.is_empty = da.is_empty
self.has_failed = da.has_failed
def __doc_DeviceAttribute():
def document_method(method_name, desc, append=True):
return __document_method(DeviceAttribute, method_name, desc, append)
DeviceAttribute.__doc__ = """
This is the fundamental type for RECEIVING data from device attributes.
It contains several fields. The most important ones depend on the
ExtractAs method used to get the value. Normally they are:
- value : Normal scalar value or numpy array of values.
- w_value : The write part of the attribute.
See other ExtractAs for different possibilities. There are some more
fields, these really fixed:
- name : (str)
- data_format : (AttrDataFormat) Attribute format
- quality : (AttrQuality)
- time : (TimeVal)
- dim_x : (int) attribute dimension x
- dim_y : (int) attribute dimension y
- w_dim_x : (int) attribute written dimension x
- w_dim_y : (int) attribute written dimension y
- r_rimension : (tuple<int,int>) Attribute read dimensions.
- w_dimension : (tuple<int,int>) Attribute written dimensions.
- nb_read : (int) attribute read total length
- nb_written : (int) attribute written total length
And two methods:
- get_date
- get_err_stack
"""
document_method("get_date", """
get_date(self) -> TimeVal
Get the time at which the attribute was read by the server.
Note: It's the same as reading the "time" attribute.
Parameters : None
Return : (TimeVal) The attribute read timestamp.
""" )
document_method("get_err_stack", """
get_err_stack(self) -> sequence<DevError>
Returns the error stack reported by the server when the
attribute was read.
Parameters : None
Return : (sequence<DevError>)
""" )
def __init_DeviceAttribute():
DeviceAttribute.__init_orig = DeviceAttribute.__init__
DeviceAttribute.__init__ = __DeviceAttribute__init
DeviceAttribute.ExtractAs = ExtractAs
def init(doc=True):
__init_DeviceAttribute()
if doc:
__doc_DeviceAttribute()
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