import os
import sys
import time
import logging
import webbrowser
from PyQt5 import QtCore, QtWidgets, QtGui
import sas.qtgui.Utilities.GuiUtils as GuiUtils
from sas.qtgui.Plotting.PlotterData import Data1D
from sas.qtgui.Utilities.UI.GridPanelUI import Ui_GridPanelUI
[docs]class BatchOutputPanel(QtWidgets.QMainWindow, Ui_GridPanelUI):
"""
Class for stateless grid-like printout of model parameters for mutiple models
"""
ERROR_COLUMN_CAPTION = " (Err)"
IS_WIN = (sys.platform == 'win32')
windowClosedSignal = QtCore.pyqtSignal()
def __init__(self, parent = None, output_data=None):
super(BatchOutputPanel, self).__init__(parent._parent)
self.setupUi(self)
self.parent = parent
if hasattr(self.parent, "communicate"):
self.communicate = parent.communicate
self.addToolbarActions()
# file name for the dataset
self.grid_filename = ""
self.has_data = False if output_data is None else True
# Tab numbering
self.tab_number = 1
# save state
self.data_dict = {}
# System dependent menu items
if not self.IS_WIN:
self.actionOpen_with_Excel.setVisible(False)
# list of QTableWidgets, indexed by tab number
self.tables = []
self.tables.append(self.tblParams)
# context menu on the table
self.tblParams.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)
self.tblParams.customContextMenuRequested.connect(self.showContextMenu)
# Command buttons
self.cmdHelp.clicked.connect(self.onHelp)
self.cmdPlot.clicked.connect(self.onPlot)
# Fill in the table from input data
self.setupTable(widget=self.tblParams, data=output_data)
if output_data is not None:
# Set a table tooltip describing the model
model_name = output_data[0][0].model.id
self.tabWidget.setTabToolTip(0, model_name)
[docs] def closeEvent(self, event):
"""
Overwrite QDialog close method to allow for custom widget close
"""
# notify the parent so it hides this window
self.windowClosedSignal.emit()
event.ignore()
[docs] def actionLoadData(self):
"""
Open file load dialog and load a .csv file
"""
datafile = QtWidgets.QFileDialog.getOpenFileName(
self, "Choose a file with results", "", "CSV files (*.csv)", None,
QtWidgets.QFileDialog.DontUseNativeDialog)[0]
if not datafile:
logging.info("No data file chosen.")
return
with open(datafile, 'r') as csv_file:
lines = csv_file.readlines()
self.setupTableFromCSV(lines)
self.has_data = True
[docs] def currentTable(self):
"""
Returns the currently shown QTabWidget
"""
return self.tables[self.tabWidget.currentIndex()]
[docs] def addTabPage(self, name=None):
"""
Add new tab page with QTableWidget
"""
layout = QtWidgets.QVBoxLayout()
tab_widget = QtWidgets.QTableWidget(parent=self)
# Same behaviour as the original tblParams
tab_widget.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)
tab_widget.setAlternatingRowColors(True)
tab_widget.setSelectionBehavior(QtWidgets.QAbstractItemView.SelectRows)
tab_widget.setLayout(layout)
# Simple naming here.
# One would think naming the tab with current model name would be good.
# However, some models have LONG names, which doesn't look well on the tab bar.
self.tab_number += 1
if name is not None:
tab_name = name
else:
tab_name = "Tab " + str(self.tab_number)
# each table needs separate slots.
tab_widget.customContextMenuRequested.connect(self.showContextMenu)
self.tables.append(tab_widget)
self.tabWidget.addTab(tab_widget, tab_name)
# Make the new tab active
self.tabWidget.setCurrentIndex(self.tab_number-1)
[docs] def addFitResults(self, results):
"""
Create a new tab with batch fitting results
"""
# pull out page name from results
page_name = None
if len(results)>=2:
if isinstance(results[-1], str):
page_name = results[-1]
_ = results.pop(-1)
if self.has_data:
self.addTabPage(name=page_name)
else:
self.tabWidget.setTabText(0, page_name)
# Update the new widget
# Fill in the table from input data in the last/newest page
assert(self.tables)
self.setupTable(widget=self.tables[-1], data=results)
self.has_data = True
# Set a table tooltip describing the model
model_name = results[0][0].model.id
self.tabWidget.setTabToolTip(self.tabWidget.count()-1, model_name)
self.data_dict[page_name] = results
[docs] @classmethod
def onHelp(cls):
"""
Open a local url in the default browser
"""
url = "/user/qtgui/Perspectives/Fitting/fitting_help.html#batch-fit-mode"
GuiUtils.showHelp(url)
[docs] def onPlot(self):
"""
Plot selected fits by sending signal to the parent
"""
rows = [s.row() for s in self.currentTable().selectionModel().selectedRows()]
if not rows:
msg = "Nothing to plot!"
self.parent.communicate.statusBarUpdateSignal.emit(msg)
return
data = self.dataFromTable(self.currentTable())
# data['Data'] -> ['filename1', 'filename2', ...]
# look for the 'Data' column and extract the filename
for row in rows:
try:
name = data['Data'][row]
# emit a signal so the plots are being shown
self.communicate.plotFromNameSignal.emit(name)
except (IndexError, AttributeError):
# data messed up.
return
[docs] @classmethod
def dataFromTable(cls, table):
"""
Creates a dictionary {<parameter>:[list of values]} from the parameter table
"""
assert(isinstance(table, QtWidgets.QTableWidget))
params = {}
for column in range(table.columnCount()):
value = [table.item(row, column).data(0) for row in range(table.rowCount())]
key = table.horizontalHeaderItem(column).data(0)
params[key] = value
return params
[docs] def actionSendToExcel(self):
"""
Generates a .csv file and opens the default CSV reader
"""
if not self.grid_filename:
import tempfile
tmpfile = tempfile.NamedTemporaryFile(delete=False, mode="w+", suffix=".csv")
self.grid_filename = tmpfile.name
data = self.dataFromTable(self.currentTable())
t = time.localtime(time.time())
time_str = time.strftime("%b %d %H:%M of %Y", t)
details = "File Generated by SasView "
details += "on %s.\n" % time_str
self.writeBatchToFile(data=data, tmpfile=tmpfile, details=details)
tmpfile.close()
try:
from win32com.client import Dispatch
excel_app = Dispatch('Excel.Application')
excel_app.Workbooks.Open(self.grid_filename)
excel_app.Visible = 1
except Exception as ex:
msg = "Error occured when calling Excel.\n"
msg += ex
self.parent.communicate.statusBarUpdateSignal.emit(msg)
[docs] def actionSaveFile(self):
"""
Generate a .csv file and dump it do disk
"""
t = time.localtime(time.time())
time_str = time.strftime("%b %d %H %M of %Y", t)
default_name = "Batch_Fitting_"+time_str+".csv"
wildcard = "CSV files (*.csv);;"
kwargs = {
'caption' : 'Save As',
'directory' : default_name,
'filter' : wildcard,
'parent' : None,
}
# Query user for filename.
filename_tuple = QtWidgets.QFileDialog.getSaveFileName(**kwargs)
filename = filename_tuple[0]
# User cancelled.
if not filename:
return
data = self.dataFromTable(self.currentTable())
details = "File generated by SasView\n"
with open(filename, 'w') as csv_file:
self.writeBatchToFile(data=data, tmpfile=csv_file, details=details)
[docs] def setupTableFromCSV(self, csv_data):
"""
Create tablewidget items and show them, based on params
"""
# Is this an empty grid?
if self.has_data:
# Add a new page
self.addTabPage()
# Access the newly created QTableWidget
current_page = self.tables[-1]
else:
current_page = self.tblParams
# headers
param_list = csv_data[1].rstrip().split(',')
# need to remove the 2 header rows to get the total data row number
rows = len(csv_data) -2
assert(rows > -1)
columns = len(param_list)
current_page.setColumnCount(columns)
current_page.setRowCount(rows)
for i, param in enumerate(param_list):
current_page.setHorizontalHeaderItem(i, QtWidgets.QTableWidgetItem(param))
# first - Chi2 and data filename
for i_row, row in enumerate(csv_data[2:]):
for i_col, col in enumerate(row.rstrip().split(',')):
current_page.setItem(i_row, i_col, QtWidgets.QTableWidgetItem(col))
current_page.resizeColumnsToContents()
[docs] def setupTable(self, widget=None, data=None):
"""
Create tablewidget items and show them, based on params
"""
# quietly leave is nothing to show
if data is None or widget is None:
return
# Figure out the headers
model = data[0][0]
disperse_params = list(model.model.dispersion.keys())
magnetic_params = model.model.magnetic_params
optimized_params = model.param_list
# Create the main parameter list
param_list = [m for m in model.model.params.keys() if (m not in model.model.magnetic_params and ".width" not in m)]
# add fitted polydisp parameters
param_list += [m+".width" for m in disperse_params if m+".width" in optimized_params]
# add fitted magnetic params
param_list += [m for m in magnetic_params if m in optimized_params]
# Check if 2D model. If not, remove theta/phi
if isinstance(model.data.sas_data, Data1D):
if 'theta' in param_list:
param_list.remove('theta')
if 'phi' in param_list:
param_list.remove('phi')
rows = len(data)
columns = len(param_list)
widget.setColumnCount(columns+2) # add 2 initial columns defined below
widget.setRowCount(rows)
# Insert two additional columns
param_list.insert(0, "Data")
param_list.insert(0, "Chi2")
for i, param in enumerate(param_list):
widget.setHorizontalHeaderItem(i, QtWidgets.QTableWidgetItem(param))
# dictionary of parameter errors for post-processing
# [param_name] = [param_column_nr, error_for_row_1, error_for_row_2,...]
error_columns = {}
# first - Chi2 and data filename
for i_row, row in enumerate(data):
# each row corresponds to a single fit
chi2 = row[0].fitness
name = ""
if hasattr(row[0].data, "sas_data"):
name = row[0].data.sas_data.name
widget.setItem(i_row, 0, QtWidgets.QTableWidgetItem(GuiUtils.formatNumber(chi2, high=True)))
widget.setItem(i_row, 1, QtWidgets.QTableWidgetItem(str(name)))
# Now, all the parameters
for i_col, param in enumerate(param_list[2:]):
if param in row[0].param_list:
# parameter is on the to-optimize list - get the optimized value
par_value = row[0].pvec[row[0].param_list.index(param)]
# parse out errors and store them for later use
err_value = row[0].stderr[row[0].param_list.index(param)]
if param in error_columns:
error_columns[param].append(err_value)
else:
error_columns[param] = [i_col, err_value]
else:
# parameter was not varied
par_value = row[0].model.params[param]
widget.setItem(i_row, i_col+2, QtWidgets.QTableWidgetItem(
GuiUtils.formatNumber(par_value, high=True)))
# Add errors
error_list = list(error_columns.keys())
for error_param in error_list[::-1]: # must be reverse to keep column indices
# the offset for the err column: +2 from the first two extra columns, +1 to append this column
error_column = error_columns[error_param][0]+3
error_values = error_columns[error_param][1:]
widget.insertColumn(error_column)
column_name = error_param + self.ERROR_COLUMN_CAPTION
widget.setHorizontalHeaderItem(error_column, QtWidgets.QTableWidgetItem(column_name))
for i_row, error in enumerate(error_values):
item = QtWidgets.QTableWidgetItem(GuiUtils.formatNumber(error, high=True))
# Fancy, italic font for errors
font = QtGui.QFont()
font.setItalic(True)
item.setFont(font)
widget.setItem(i_row, error_column, item)
# resize content
widget.resizeColumnsToContents()
[docs] @classmethod
def writeBatchToFile(cls, data, tmpfile, details=""):
"""
Helper to write result from batch into cvs file
"""
name = tmpfile.name
if data is None or name is None or name.strip() == "":
return
_, ext = os.path.splitext(name)
separator = "\t"
if ext.lower() == ".csv":
separator = ","
tmpfile.write(details)
for col_name in data.keys():
tmpfile.write(col_name)
tmpfile.write(separator)
tmpfile.write('\n')
max_list = [len(value) for value in data.values()]
if len(max_list) == 0:
return
max_index = max(max_list)
index = 0
while index < max_index:
for value_list in data.values():
if index < len(value_list):
tmpfile.write(str(value_list[index]))
tmpfile.write(separator)
else:
tmpfile.write('')
tmpfile.write(separator)
tmpfile.write('\n')
index += 1
[docs]class BatchInversionOutputPanel(BatchOutputPanel):
"""
Class for stateless grid-like printout of P(r) parameters for any number
of data sets
"""
def __init__(self, parent = None, output_data=None):
super(BatchInversionOutputPanel, self).__init__(parent._parent, output_data)
_translate = QtCore.QCoreApplication.translate
self.setWindowTitle(_translate("GridPanelUI", "Batch P(r) Results"))
[docs] def setupTable(self, widget=None, data=None):
"""
Create tablewidget items and show them, based on params
"""
# headers
param_list = ['Filename', 'Rg [Å]', 'Chi^2/dof', 'I(Q=0)', 'Oscillations',
'Background [Å^-1]', 'P+ Fraction', 'P+1-theta Fraction',
'Calc. Time [sec]']
if data is None:
return
keys = data.keys()
rows = len(keys)
columns = len(param_list)
self.tblParams.setColumnCount(columns)
self.tblParams.setRowCount(rows)
for i, param in enumerate(param_list):
self.tblParams.setHorizontalHeaderItem(i, QtWidgets.QTableWidgetItem(param))
# first - Chi2 and data filename
for i_row, (filename, pr) in enumerate(data.items()):
out = pr.out
cov = pr.cov
if out is None:
logging.warning("P(r) for {} did not converge.".format(filename))
continue
self.tblParams.setItem(i_row, 0, QtWidgets.QTableWidgetItem(
"{}".format(filename)))
self.tblParams.setItem(i_row, 1, QtWidgets.QTableWidgetItem(
"{:.3g}".format(pr.rg(out))))
self.tblParams.setItem(i_row, 2, QtWidgets.QTableWidgetItem(
"{:.3g}".format(pr.chi2[0])))
self.tblParams.setItem(i_row, 3, QtWidgets.QTableWidgetItem(
"{:.3g}".format(pr.iq0(out))))
self.tblParams.setItem(i_row, 4, QtWidgets.QTableWidgetItem(
"{:.3g}".format(pr.oscillations(out))))
self.tblParams.setItem(i_row, 5, QtWidgets.QTableWidgetItem(
"{:.3g}".format(pr.background)))
self.tblParams.setItem(i_row, 6, QtWidgets.QTableWidgetItem(
"{:.3g}".format(pr.get_positive(out))))
self.tblParams.setItem(i_row, 7, QtWidgets.QTableWidgetItem(
"{:.3g}".format(pr.get_pos_err(out, cov))))
self.tblParams.setItem(i_row, 8, QtWidgets.QTableWidgetItem(
"{:.2g}".format(pr.elapsed)))
self.tblParams.resizeColumnsToContents()
[docs] @classmethod
def onHelp(cls):
"""
Open a local url in the default browser
"""
location = GuiUtils.HELP_DIRECTORY_LOCATION
url = "/user/qtgui/Perspectives/Fitting/fitting_help.html#batch-fit-mode"
try:
webbrowser.open('file://' + os.path.realpath(location + url))
except webbrowser.Error as ex:
logging.warning("Cannot display help. %s" % ex)
[docs] def closeEvent(self, event):
"""Tell the parent window the window closed"""
self.parent.batchResultsWindow = None
event.accept()