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pyspc_remi.py
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pyspc_remi.py
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# Copyright (C) 2016 Carlos Henrique Silva <[email protected]>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import remi.gui as gui
import remi.server as server
from remi import App, start
from matplotlib.backends.backend_agg import FigureCanvasAgg
import os
import pandas as pd
import threading
import time
from io import BytesIO
from pyspc import *
control_charts = {"Cusum": [cusum],
"Ewma": [ewma],
"Sbar": [xbar_sbar, sbar],
"Rbar": [xbar_rbar, rbar],
"T-Square Single": [Tsquare_single],
"T-Square": [Tsquare],
"MEWMA": [mewma],
"Moving Range": [xmr, mr],
"C Chart": [c],
"NP Chart": [np],
"P Chart": [p],
"U Chart": [u],
"I-MR-R": [imrx, imrmr, imrr],
"I-MR-S": [imrx, imrmr, imrstd]}
class MatplotImage(gui.Image):
ax = None
def __init__(self, **kwargs):
super(MatplotImage, self).__init__("/%s/get_image_data?update_index=0" % id(self), **kwargs)
self._buf = None
self._buflock = threading.Lock()
self.data = None
self.layer = []
# self.redraw()
def redraw(self):
self.figure = spc(data=self.data) + rules()
for chart in self.layer:
self.figure + chart()
self.figure.make(figsize=(8, 6))
canv = FigureCanvasAgg(self.figure.fig)
buf = BytesIO()
canv.print_figure(buf, format='png')
with self._buflock:
if self._buf is not None:
self._buf.close()
self._buf = buf
i = int(time.time() * 1e6)
self.attributes['src'] = "/%s/get_image_data?update_index=%d" % (id(self), i)
super(MatplotImage, self).redraw()
def get_image_data(self, update_index):
with self._buflock:
if self._buf is None:
return None
self._buf.seek(0)
data = self._buf.read()
return [data, {'Content-type': 'image/png'}]
bgcolor = '#DCDCDC'
overflow = 'hidden'
display = 'block'
class Pyspc(App):
def __init__(self, *args):
super(Pyspc, self).__init__(*args)
def main(self):
# root widget
# vertical_container = gui.Widget(width='100%', height='100%')
# vertical_container.style['background-color'] = bgcolor
# vertical_container.style['display'] = display
# vertical_container.style['overflow'] = overflow
horizontal_container = gui.Widget(width='100%', height='100%', layout_orientation=gui.Widget.LAYOUT_HORIZONTAL)
horizontal_container.style['background-color'] = bgcolor
horizontal_container.style['display'] = display
horizontal_container.style['overflow'] = 'scroll'
horizontal_container.style['text-align'] = 'center'
sub_container_left = gui.Widget(width='50%', layout_orientation=gui.Widget.LAYOUT_VERTICAL)
sub_container_left.style['background-color'] = bgcolor
sub_container_left.style['display'] = display
sub_container_left.style['overflow'] = overflow
sub_container_left.style['text-align'] = 'center'
sub_container_right = gui.Widget(width='50%', layout_orientation=gui.Widget.LAYOUT_VERTICAL)
sub_container_right.style['background-color'] = bgcolor
sub_container_right.style['display'] = display
sub_container_right.style['overflow'] = overflow
sub_container_right.style['text-align'] = 'center'
vbox1 = gui.Widget(width='100%', layout_orientation=gui.Widget.LAYOUT_HORIZONTAL, margin='0px')
vbox1.style['background-color'] = bgcolor
open_file = gui.Button('Open File', width='auto', height=30, margin='10px')
open_file.set_on_click_listener(self, 'open_file_pressed')
open_file.attributes['title'] = 'Clik here to open a .CSV file with your data'
# open_file.style['font-size'] = 'large'
open_clipboard = gui.Button('From Clipboard', widht='auto', height=30, margin='10px')
open_clipboard.set_on_click_listener(self, 'open_clipboard_pressed')
open_clipboard.attributes['title'] = 'Clik here to Paste data from the Clipboard eg: excel, html table, etc...'
# open_clipboard.style['font-size'] = 'large'
self.data_table = gui.Table(width='100%', height='100%', margin='10px')
self.data_table.style['overflow'] = overflow
# self.data_table.style['display'] = display
vbox1.append(open_file)
vbox1.append(open_clipboard)
vbox2 = gui.Widget(width='100%', layout_orientation=gui.Widget.LAYOUT_HORIZONTAL, margin='0px')
vbox2.style['background-color'] = bgcolor
charts = ["Cusum", "Ewma", "Sbar", "Rbar", "T-Square Single", "T-Square", "MEWMA", "C Chart",
"NP Chart", "P Chart", "U Chart", "Moving Range", "I-MR-R", "I-MR-S"]
self.dropdown = gui.DropDown.new_from_list(charts, width='auto', height=30, margin='10px')
self.dropdown.attributes['title'] = 'Choose the right control for the that you have'
# self.dropdown.style['font-size'] = 'large'
plot_chart = gui.Button('Plot Chart', width='auto', height=30, margin='10px')
plot_chart.set_on_click_listener(self, 'plot_chart_pressed')
# plot_chart.style['font-size'] = 'large'
save_chart = gui.Button('Save Chart', width='auto', height=30, margin='10px')
save_chart.set_on_click_listener(self, 'save_chart_pressed')
# save_chart.style['font-size'] = 'large'
self.mpl = MatplotImage(width='100%', height='auto')
self.mpl.style['margin'] = '10px'
vbox2.append(self.dropdown)
vbox2.append(plot_chart)
vbox2.append(save_chart)
self.status_txt = gui.Label('', width='100%', height=20, margin='10px')
sub_container_left.append(vbox1)
sub_container_left.append(self.status_txt)
sub_container_left.append(self.data_table)
sub_container_right.append(vbox2)
sub_container_right.append(self.mpl)
horizontal_container.append(sub_container_left)
horizontal_container.append(sub_container_right)
# vertical_container.append(horizontal_container)
return horizontal_container
def open_file_pressed(self):
self.open_filedialog = gui.FileSelectionDialog(title='File Selection Dialog', message='Select a .CSV file',
multiple_selection=False, allow_folder_selection=False)
self.open_filedialog.set_on_confirm_value_listener(self, 'file_selection_confirm')
self.open_filedialog.show(self)
def file_selection_confirm(self, filepath):
try:
self.data = pd.read_csv(filepath[0])
self.data_table.empty()
table = [list(self.data.columns)] + [[str(x) for x in row] for row in self.data.values]
self.data_table.from_2d_matrix(table)
except Exception as e:
self.text_message(repr(e))
rows, columns = self.data.shape
filename = os.path.basename(filepath[0])
self.status_txt.set_text("File Selected: {0} | {1} Rows {2} Columns".format(filename, rows, columns))
def open_clipboard_pressed(self):
try:
self.data = pd.read_clipboard()
self.data_table.empty()
table = [list(self.data.columns)] + [[str(x) for x in row] for row in self.data.values]
self.data_table.from_2d_matrix(table)
except Exception as e:
self.text_message(repr(e))
pass
def plot_chart_pressed(self):
try:
chart = self.dropdown.get_value()
self.mpl.data = self.data
self.mpl.layer = control_charts[chart]
self.mpl.redraw()
except Exception as e:
self.text_message(repr(e))
def save_chart_pressed(self):
self.save_dialog = gui.InputDialog('Save Dialog', 'Give a name to file:', initial_value='Untitled.png',
width=500, height=160)
self.save_dialog.set_on_confirm_value_listener(self, 'save_dialog_confirm')
self.save_dialog.show(self)
def save_dialog_confirm(self, filename):
self.mpl.figure.save(filename)
_root = os.path.abspath(os.path.dirname(__file__))
self.status_txt.set_text('File Saved in: %s' % os.path.join(_root, filename))
def text_message(self, message):
self.custom_dialog = gui.GenericDialog(title='Dialog Box', width='600px')
text_input = gui.TextInput(single_line=False)
text_input.set_text(message)
self.custom_dialog.add_field_with_label('text_input_messade', 'System Message', text_input)
self.custom_dialog.show(self)
if __name__ == "__main__":
start(Pyspc, debug=True, address='127.0.0.1', port=8081)
# s = server.StandaloneServer(Pyspc, start=True, title="Pyspc: Statistical Process Control Library for Humans")