def W7X(url,time):
from archive import base, interface
try:
""" use _time variable if Tree is ARCHIVE """
try: time = base.TimeInterval(time)
except: time = base.TimeInterval([-1800.,0,0])
path = base.Path(url)
return interface.read_signal(path, time)
except:
""" generate dummy signal with error message as help text """
import getpass,sys
user = getpass.getuser()
e = sys.exc_info()[1]
help = user+": "+str(e)
try:
from MDSplus import Signal
signal = Signal([6,66,666])
signal.setHelp(help.split('\n')[-1])
return signal
except:
return help
def archive_signal(node, time=None, cache=None):
""" use time if tree is archive """
""" else use TIME node """
print('archive_signal')
try:
from archive import base, interface
from MDSplus import TreeNode, Tree, Data, mdsExceptions
if not isinstance(node, (TreeNode)):
node = Tree('archive',-1).getNode(node)
""" use _time variable if Tree is ARCHIVE """
if node.tree.shot == -1:
try: time = base.TimeInterval(time)
except: time = base.TimeInterval([-1800.,0,0])
else:
time = base.TimeInterval(node.getNode('\TIME').data())
"""handle arguments"""
kwargs = {}
if str(node.node_name)[0]=='$':
kwargs['scaled'] = str(node.node_name)[1:].lower()
node = node.getParent()
else:
try: kwargs['scaling'] = node.getNode('AIDEVSCALING').data()
except: pass
try:
kwargs['value'] = node.getNode('$VALUE').data()
except:
try:
gain = node.getNode('GAIN').data()
zero = node.getNode('ZEROOFFSET').data()
if gain!=1. or zero!=0.:
kwargs['value'] = Data.compile('$VALUE*$+$',(gain,zero))
except Exception as exc:
if not isinstance(exc,mdsExceptions.TreeNNF):
print(exc)
if cache is not None: kwargs['cache'] = cache
try: # load channels by datastream + index
kwargs['channel'] = node.getNode('$IDX').data()
url = node.getParent().getNode('$URL').data()
except:
url = node.getNode('$URL').data()
""" request signal """
signal = interface.read_signal(url, time, **kwargs)
""" generate help text (HELP, DESCRIPTION, $NAME) """
try: help = node.getNode('HELP').data()
except:
try: help = node.getNode('DESCRIPTION').data()
except: help = node.getNode('$NAME').data()
signal.setHelp(str(help))
return(signal)
except:
local = locals()
""" generate dummy signal with error message as help text """
import getpass,sys
e = sys.exc_info()
user = getpass.getuser()
help = user+': %s, %d' % (repr(e[1]), e[2].tb_lineno)
print(help)
print(local)
try:
from MDSplus import Signal
signal = Signal([6,66,666])
signal.setHelp(help.split('\n')[-1])
return(signal)
except:
return help
def archive_signal(node, time=None, cache=None):
""" use time if tree is archive """
""" else use TIME node """
print('archive_signal')
try:
from archive import base, interface
from MDSplus import TreeNode, Tree, Data, mdsExceptions
if not isinstance(node, (TreeNode)):
node = Tree('archive', -1).getNode(node)
""" use _time variable if Tree is ARCHIVE """
if node.tree.shot == -1:
try:
time = base.TimeInterval(time)
except:
time = base.TimeInterval([-1800., 0, 0])
else:
time = base.TimeInterval(node.getNode('\TIME').data())
"""handle arguments"""
kwargs = {}
if str(node.node_name)[0] == '$':
kwargs['scaled'] = str(node.node_name)[1:].lower()
node = node.getParent()
else:
try:
kwargs['scaling'] = node.getNode('AIDEVSCALING').data()
except:
pass
try:
kwargs['value'] = node.getNode('$VALUE').data()
except:
try:
gain = node.getNode('GAIN').data()
zero = node.getNode('ZEROOFFSET').data()
if gain != 1. or zero != 0.:
kwargs['value'] = Data.compile('$VALUE*$+$',
(gain, zero))
except Exception as exc:
if not isinstance(exc, mdsExceptions.TreeNNF):
print(exc)
if cache is not None: kwargs['cache'] = cache
try: # load channels by datastream + index
kwargs['channel'] = node.getNode('$IDX').data()
url = node.getParent().getNode('$URL').data()
except:
url = node.getNode('$URL').data()
""" request signal """
signal = interface.read_signal(url, time, **kwargs)
""" generate help text (HELP, DESCRIPTION, $NAME) """
try:
help = node.getNode('HELP').data()
except:
try:
help = node.getNode('DESCRIPTION').data()
except:
help = node.getNode('$NAME').data()
signal.setHelp(str(help))
return (signal)
except:
local = locals()
""" generate dummy signal with error message as help text """
import getpass, sys
e = sys.exc_info()
user = getpass.getuser()
help = user + ': %s, %d' % (repr(e[1]), e[2].tb_lineno)
print(help)
print(local)
try:
from MDSplus import Signal
signal = Signal([6, 66, 666])
signal.setHelp(help.split('\n')[-1])
return (signal)
except:
return help
