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valves.py
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from functools import partial
import numpy as np
import bokeh
import bokeh.layouts
import bokeh.plotting
import jinja2
from small_lab_gui.helper import measurement
from small_lab_gui.helper import bokeh_gui_helper as bgh
from small_lab_gui.helper import bokeh_plot_helper as bph
testing = True
if not testing:
# for the lab
from small_lab_gui.digitizers.digitizer_pfeiffer_tpg366 \
import pressure_controller_pfeiffer_tpg366
from small_lab_gui.axes.toggle_conrad_197720 \
import toggle_controller_conrad_197720
else:
# for testing
from small_lab_gui.digitizers.digitizer_pfeiffer_tpg366_dummy \
import pressure_controller_pfeiffer_tpg366_dummy as pressure_controller_pfeiffer_tpg366
from small_lab_gui.axes.toggle_dummy import toggle_controller_dummy \
as toggle_controller_conrad_197720
template = jinja2.Template('''<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>{{ title }}</title>
{{ bokeh_css }}
{{ bokeh_js }}
<style>
.bk-root .bk-widget button {
min-width: 100%;
font-size: 40px;
}
</style>
</head>
<body>
{{ plot_div|indent(8) }}
{{ plot_script|indent(8) }}
</body>
</html>
''')
class toggle_gui():
def __init__(self, doc, toggler, name='default', toggle_names=None):
self.toggler = toggler
self.name = name
self.areyousureyouaresure = False
self.inputs = bokeh.layouts.widgetbox(width=200)
self.titleBar = bokeh.models.widgets.Paragraph(text=self.name)
self.inputs.children.append(self.titleBar)
self.toggle_names = []
self.axis_btns = []
for cnt in range(0, self.toggler.num_toggles):
if toggle_names:
self.toggle_names.append(toggle_names[cnt])
else:
self.toggle_names.append(str(cnt+1))
axis = bokeh.models.widgets.Button(
label='Open ' + self.toggle_names[cnt],
button_type='danger', disabled=False)
axis.on_click(partial(self.toggle, axis=cnt))
self.axis_btns.append(axis)
self.inputs.children.append(axis)
self.areyousureyouaresureBtn = bokeh.models.widgets.Button(
label='Override', button_type='danger', disabled=False)
self.areyousureyouaresureBtn.on_click(self.override)
self.inputs.children.append(self.areyousureyouaresureBtn)
self.layout = bokeh.layouts.row(self.inputs)
def toggle(self, axis):
if self.axis_btns[axis].button_type == 'danger':
self.axis_btns[axis].label = 'Close ' + self.toggle_names[axis]
self.axis_btns[axis].button_type = 'success'
self.toggler.axes[axis].toggle(inp={'on': True})
else:
if self.axis_btns[axis].button_type == 'success':
self.axis_btns[axis].label = 'Open ' + self.toggle_names[axis]
self.axis_btns[axis].button_type = 'danger'
self.toggler.axes[axis].toggle(inp={'on': False})
def override(self):
if self.areyousureyouaresure:
self.areyousureyouaresure = False
self.areyousureyouaresureBtn.button_type = 'danger'
else:
self.areyousureyouaresure = True
self.areyousureyouaresureBtn.button_type = 'success'
for btn in self.axis_btns:
btn.disabled = False
class pressure_gui():
def __init__(self, doc, pressure_controller,
prsmax, name='default', sensor_names=None):
self.name = name
self.doc = doc
self.pressure_controller = pressure_controller
self.prsmax = prsmax
self.inputs = bokeh.layouts.widgetbox(width=500)
self.titleBar = bokeh.models.widgets.Paragraph(text=self.name)
self.inputs.children.append(self.titleBar)
self.sensor_names = []
self.prs_displays = []
for cnt in range(0, self.pressure_controller.num_sensors):
self.prs_displays.append(bokeh.models.widgets.Button(
label='', button_type='primary', disabled=True))
self.inputs.children.append(self.prs_displays[-1])
self.sensor_names.append(str(cnt+1))
if sensor_names:
self.sensor_names = sensor_names
self.layout = bokeh.layouts.row(self.inputs)
if type(self) == pressure_gui:
self.start()
def start(self):
self.cont_pressure_readout = measurement.measurement(
inputs=None,
sequence=[
self.pressure_controller.frame,
measurement.sleep_function(0.2)],
update=measurement.bokeh_update_function(self.update, self.doc),
init=None,
finish=None,
save_output=False)
self.cont_pressure_readout.start()
def stop(self):
self.cont_pressure_readout.stop()
self.cont_pressure_readout.join()
def close(self):
self.stop()
def update(self, data):
pressures = data[0]['pressures']
valid = data[0]['valid']
if data[0]['success']:
for idx, handle in enumerate(self.prs_displays):
if not valid[idx]:
handle.button_type = 'primary'
handle.label = 'unknown'
else:
handle.label = (self.sensor_names[idx] + ': '
+ '{:.2e}'.format(pressures[idx])
+ ' mbar')
if pressures[idx] < self.prsmax[idx]:
handle.button_type = 'success'
else:
handle.button_type = 'danger'
class pressure_valve_gui(pressure_gui):
def __init__(self, doc, pressure_controller, prsmax, toggler,
valve_prs_max, sensor_names, valve_names):
# get the pressure gui
super().__init__(doc, pressure_controller, prsmax,
name='Pressure Readout', sensor_names=sensor_names)
# add the valve control
self.toggler = toggler
self.valve_control = toggle_gui(
doc, toggler, name='Valve Control', toggle_names=valve_names)
self.layout = bokeh.layouts.row(
bokeh.layouts.column(self.inputs),
bokeh.layouts.column(self.valve_control.inputs))
# remember the contraints
self.valve_prs_max = valve_prs_max
# start pressure readout
self.start()
def stop(self):
self.cont_pressure_readout.stop()
for handle in self.toggler.axes:
handle.toggle(inp={'on': False})
def update(self, data):
pressures = data[0]['pressures']
valid = data[0]['valid']
if data[0]['success']:
# update pressure display
for idx, handle in enumerate(self.prs_displays):
if not valid[idx]:
handle.button_type = 'primary'
handle.label = 'unknown'
else:
handle.label = (
self.sensor_names[idx]
+ ': '
+ '{:.2e}'.format(pressures[idx])
+ ' mbar')
if pressures[idx] < self.prsmax[idx]:
handle.button_type = 'success'
else:
handle.button_type = 'danger'
# check contraints
if not self.valve_control.areyousureyouaresure:
for constr in self.valve_prs_max:
if (
(not valid[constr['prs1']])
or (not valid[constr['prs2']])
or (np.abs(pressures[constr['prs1']]
- pressures[constr['prs2']])
> constr['diff_max'])):
if self.valve_control.axis_btns[constr['valve_num']].button_type == 'danger':
self.valve_control.axis_btns[constr['valve_num']].disabled = True
else:
self.valve_control.axis_btns[constr['valve_num']].disabled = False
class pressure_session_handler(bgh.bokeh_gui_session_handler):
def open_session(self, doc):
# use template to change font size (see across room)
doc.template = template
# open pressure sensors
port = "COM5"
baud = 115200
# sensor = pressure_sensors.pressure_controller_dummy()
sensor = pressure_controller_pfeiffer_tpg366(port=port, baud=baud)
# open the valve toggler
port = "COM14"
# toggler = toggles.toggle_controller_dummy()
toggler = toggle_controller_conrad_197720(port)
raw_readout = pressure_valve_gui(
doc=doc,
pressure_controller=sensor,
prsmax=[5e-1, 5e-1, 5e-1, 5e-1, 5e-1, 5e-1],
toggler=toggler,
valve_prs_max=[
{'prs1': 0, 'prs2': 1, 'diff_max': 0.1, 'valve_num': 0},
{'prs1': 1, 'prs2': 2, 'diff_max': 0.2, 'valve_num': 1},
{'prs1': 1, 'prs2': 2, 'diff_max': 0.3, 'valve_num': 2},
{'prs1': 2, 'prs2': 3, 'diff_max': 0.5, 'valve_num': 5}, ],
sensor_names=[
'SwB', 'HHG', 'Delay', 'Experiment', 'Prevac', 'Target'],
valve_names=[
'SwB/HHG', 'XUV ARM', 'IR ARM',
'?', '?', 'Exp Chamber', '?', '?'])
tab1 = bokeh.models.widgets.Panel(
child=raw_readout.layout,
title='Pressure Readout and Valve Control')
tabs = bokeh.models.widgets.Tabs(tabs=[tab1])
doc.add_root(tabs)
doc.title = 'Valve Control'
# this list is auto-closed, all close functions of the added objects
# are called at session destruction
self.close_list.append(raw_readout)
self.close_list.append(toggler)
self.close_list.append(sensor)
print('start valves')
# start the server
bgh.bokeh_gui_helper(pressure_session_handler(), 4089)