/usr/lib/python2.7/dist-packages/sardana/macroserver/macros/env.py is in python-sardana 1.6.1-1.
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##
## This file is part of Sardana
##
## http://www.sardana-controls.org/
##
## Copyright 2011 CELLS / ALBA Synchrotron, Bellaterra, Spain
##
## Sardana 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.
##
## Sardana 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 Sardana. If not, see <http://www.gnu.org/licenses/>.
##
##############################################################################
"""Environment related macros"""
__all__ = ["dumpenv", "load_env", "lsenv", "senv", "usenv"]
__docformat__ = 'restructuredtext'
from taurus.console.list import List
from sardana.macroserver.macro import *
################################################################################
#
# Environment related macros
#
################################################################################
from lxml import etree
def reprValue(v, max=74):
# cut long strings
v = str(v)
if len(v) > max:
v = v[:max] + ' [...]'
return v
class dumpenv(Macro):
"""Dumps the complete environment"""
def run(self):
env = self.getGlobalEnv()
out = List(['Name','Value','Type'])
for k,v in env.iteritems():
str_v = reprValue(v)
type_v = type(v).__name__
out.appendRow([str(k), str_v, type_v])
for line in out.genOutput():
self.output(line)
class lsvo(Macro):
"""Lists the view options"""
def run(self):
vo = self.getViewOptions()
out = List(['View option', 'Value'])
for key, value in vo.items():
out.appendRow([key, str(value)])
for line in out.genOutput():
self.output(line)
class setvo(Macro):
"""Sets the given view option to the given value"""
param_def = [['name', Type.String, None, 'View option name'],
['value', Type.String, None, 'View option value']]
def run(self, name, value):
try:
value = eval(value)
except:
pass
self.setViewOption(name, value)
class usetvo(Macro):
"""Resets the value of the given view option"""
param_def = [['name', Type.String, None, 'View option name']]
def run(self, name):
self.resetViewOption(name)
class lsenv(Macro):
"""Lists the environment in alphabetical order"""
param_def = [
['macro_list',
ParamRepeat(['macro', Type.MacroClass, None, 'macro name'], min=0),
None, 'List of macros to show environment'],
]
def prepare(self, *macro_list, **opts):
self.table_opts = opts
def run(self, *macro_list):
# list the environment for the current door
if len(macro_list) == 0:
# list All the environment for the current door
out = List(['Name', 'Value', 'Type'])
env = self.getAllDoorEnv()
names_list = list(env.keys())
names_list.sort(key=str.lower)
for k in names_list:
str_val = self.reprValue(env[k])
type_name = type(env[k]).__name__
out.appendRow([k, str_val, type_name])
# list the environment for the current door for the given macros
else:
out = List(['Macro', 'Name', 'Value', 'Type'])
for macro in macro_list:
env = self.getEnv(key=None, macro_name=macro.name)
names_list = list(env.keys())
names_list.sort(key=str.lower)
for k in names_list:
str_val = self.reprValue(env[k])
type_name = type(env[k]).__name__
out.appendRow([macro.name, k, str_val, type_name])
for line in out.genOutput():
self.output(line)
def reprValue(self, v, max=54):
# cut long strings
v = str(v)
if len(v) > max: v = '%s [...]' % v[:max]
return v
class senv(Macro):
"""Sets the given environment variable to the given value"""
param_def = [['name', Type.Env, None,
'Environment variable name. Can be one of the following:\n' \
' - <name> - global variable\n' \
' - <full door name>.<name> - variable value for a specific door\n' \
' - <macro name>.<name> - variable value for a specific macro\n' \
' - <full door name>.<macro name>.<name> - variable value for a specific macro running on a specific door'],
['value_list',
ParamRepeat(['value', Type.String, None, 'environment value item'], min=1),
None, 'value(s). one item will eval to a single element. More than one item will eval to a tuple of elements'],
]
def run(self, env, *value):
if len(value) == 1:
value = value[0]
else:
value = '(%s)' % ', '.join(value)
k,v = self.setEnv(env, value)
line = '%s = %s' % (k, str(v))
self.output(line)
class usenv(Macro):
"""Unsets the given environment variable"""
param_def = [
['environment_list',
ParamRepeat(['env', Type.Env, None, 'Environment variable name'], min=1),
None, 'List of environment items to be removed'],
]
def run(self, *env):
self.unsetEnv(env)
self.output("Success!")
class load_env(Macro):
""" Read environment variables from config_env.xml file"""
def run(self):
doc = etree.parse("config_env.xml")
root = doc.getroot()
for element in root:
if element.find("./name").text == "auto_filter":
self.output("Loading auto_filter variables:")
filter_max_elem = element.find(".//FilterMax")
if filter_max_elem is not None:
filter_max = filter_max_elem.text
self.setEnv("FilterMax", filter_max)
self.output("FilterMax loaded")
else:
self.output("FilterMax not found")
filter_min_elem = element.find(".//FilterMin")
if filter_min_elem is not None:
filter_min = filter_max_elem.text
self.setEnv("FilterMin", filter_min)
self.output("FilterMin loaded")
else:
self.output("FilterMin not found")
filter_delta_elem = element.find(".//FilterDelta")
if filter_delta_elem is not None:
filter_delta = filter_delta_elem.text
self.setEnv("FilterDelta", filter_delta)
self.output("FilterDelta loaded")
else:
self.output("FilterDelta not found")
filter_signal_elem = element.find(".//FilterSignal")
if filter_signal_elem is not None:
filter_signal = filter_signal_elem.text
self.setEnv("FilterSignal", filter_signal)
self.output("FilterSignal loaded")
else:
self.output("FilterSignal not found")
filter_absorber_elem = element.find(".//FilterAbsorber")
if filter_absorber_elem is not None:
filter_absorber = filter_absorber_elem.text
self.setEnv("FilterAbsorber", filter_absorber)
self.output("FilterAbsorber loaded")
else:
self.output("FilterAbsorber not found")
auto_filter_elem = element.find(".//AutoFilter")
if auto_filter_elem is not None:
auto_filter = auto_filter_elem.text
self.setEnv("AutoFilter", auto_filter)
self.output("AutoFilter loaded")
else:
self.output("AutoFilter not found")
if element.find("./name").text == "auto_beamshutter":
self.output("Loading auto_beamshutter variables:")
auto_beamshutter_elem = element.find(".//AutoBeamshutter")
if auto_beamshutter_elem is not None:
auto_beamshutter = auto_beamshutter_elem.text
self.setEnv("AutoBeamshutter", auto_beamshutter)
self.output("AutoBeamshutter loaded")
else:
self.output("AutoBeamshutter not found")
beamshutter_limit_elem = element.find(".//BeamshutterLimit")
if beamshutter_limit_elem is not None:
beamshutter_limit = beamshutter_limit_elem.text
self.setEnv("BeamshutterLimit", beamshutter_limit)
self.output("BeamshutterLimit loaded")
else:
self.output("BeamshutterLimit not found")
beamshutter_signal_elem = element.find(".//BeamshutterSignal")
if beamshutter_signal_elem is not None:
beamshutter_signal = beamshutter_signal_elem.text
self.setEnv("BeamshutterSignal", beamshutter_signal)
self.output("BeamshutterSignal loaded")
else:
self.output("BeamshutterSignal not found")
beamshutter_time_elem = element.find(".//BeamshutterTime")
if beamshutter_time_elem is not None:
beamshutter_time = beamshutter_time_elem.text
self.setEnv("BeamshutterTime", beamshutter_time)
self.output("BeamshutterTime loaded")
else:
self.output("BeamshutterTime not found")
if element.find("./name").text == "exafs":
self.output("Loading exafs variables:")
exafs_int_times_elem = element.find(".//ExafsIntTimes")
if exafs_int_times_elem is not None:
exafs_int_times = exafs_int_times_elem.text
self.setEnv("ExafsIntTimes", exafs_int_times)
self.output("ExafsIntTimes loaded")
else:
self.output("ExafsIntTimes not found")
exafs_nb_intervals_elem = element.find(".//ExafsNbIntervals")
if exafs_nb_intervals_elem is not None:
exafs_nb_intervals = exafs_nb_intervals_elem.text
self.setEnv("ExafsNbIntervals", exafs_nb_intervals)
self.output("ExafsNbIntervals loaded")
else:
self.output("ExafsNbIntervals not found")
exafs_regions_elem = element.find(".//ExafsRegions")
if exafs_regions_elem is not None:
exafs_regions = exafs_regions_elem.text
self.setEnv("ExafsRegions", exafs_regions)
self.output("ExafsRegions loaded")
else:
self.output("ExafsRegions not found")
misc_tree = root.find("./miscellaneous")
if misc_tree is not None:
for parameter in misc_tree:
if parameter.tag != "name":
self.setEnv(parameter.tag, parameter.text)
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