From 328032e2317e3ac4859196bbf12bdb71795302fe Mon Sep 17 00:00:00 2001
From: Alexandre Marie <alexandre.marie@synchrotron-soleil.fr>
Date: Tue, 21 Jul 2020 14:45:14 +0200
Subject: New upstream version 0.13.0+dfsg

---
 silx/gui/fit/FitWidget.py | 40 +++++++++++++++++++++++++---------------
 1 file changed, 25 insertions(+), 15 deletions(-)

(limited to 'silx/gui/fit')

diff --git a/silx/gui/fit/FitWidget.py b/silx/gui/fit/FitWidget.py
index c3804e1..7279cd9 100644
--- a/silx/gui/fit/FitWidget.py
+++ b/silx/gui/fit/FitWidget.py
@@ -43,7 +43,6 @@ __date__ = "17/07/2018"
 import logging
 import sys
 import traceback
-import warnings
 
 from silx.math.fit import fittheories
 from silx.math.fit import fitmanager, functions
@@ -52,6 +51,7 @@ from .FitWidgets import (FitActionsButtons, FitStatusLines,
                          FitConfigWidget, ParametersTab)
 from .FitConfig import getFitConfigDialog
 from .BackgroundWidget import getBgDialog, BackgroundDialog
+from ...utils.deprecation import deprecated
 
 QTVERSION = qt.qVersion()
 DEBUG = 0
@@ -226,7 +226,9 @@ class FitWidget(qt.QWidget):
             self.guibuttons = FitActionsButtons(self)
             """Widget with estimate, start fit and dismiss buttons"""
             self.guibuttons.EstimateButton.clicked.connect(self.estimate)
+            self.guibuttons.EstimateButton.setEnabled(False)
             self.guibuttons.StartFitButton.clicked.connect(self.startFit)
+            self.guibuttons.StartFitButton.setEnabled(False)
             self.guibuttons.DismissButton.clicked.connect(self.dismiss)
             layout.addWidget(self.guibuttons)
 
@@ -314,12 +316,11 @@ class FitWidget(qt.QWidget):
 
         configuration.update(self.configure())
 
+    @deprecated(replacement='setData', since_version='0.3.0')
     def setdata(self, x, y, sigmay=None, xmin=None, xmax=None):
-        warnings.warn("Method renamed to setData",
-                      DeprecationWarning)
         self.setData(x, y, sigmay, xmin, xmax)
 
-    def setData(self, x, y, sigmay=None, xmin=None, xmax=None):
+    def setData(self, x=None, y=None, sigmay=None, xmin=None, xmax=None):
         """Set data to be fitted.
 
         :param x: Abscissa data. If ``None``, :attr:`xdata`` is set to
@@ -335,11 +336,17 @@ class FitWidget(qt.QWidget):
         :param xmin: Lower value of x values to use for fitting
         :param xmax: Upper value of x values to use for fitting
         """
-        self.fitmanager.setdata(x=x, y=y, sigmay=sigmay,
-                                xmin=xmin, xmax=xmax)
-        for config_dialog in self.bgconfigdialogs.values():
-            if isinstance(config_dialog, BackgroundDialog):
-                config_dialog.setData(x, y, xmin=xmin, xmax=xmax)
+        if y is None:
+            self.guibuttons.EstimateButton.setEnabled(False)
+            self.guibuttons.StartFitButton.setEnabled(False)
+        else:
+            self.guibuttons.EstimateButton.setEnabled(True)
+            self.guibuttons.StartFitButton.setEnabled(True)
+            self.fitmanager.setdata(x=x, y=y, sigmay=sigmay,
+                                    xmin=xmin, xmax=xmax)
+            for config_dialog in self.bgconfigdialogs.values():
+                if isinstance(config_dialog, BackgroundDialog):
+                    config_dialog.setData(x, y, xmin=xmin, xmax=xmax)
 
     def associateConfigDialog(self, theory_name, config_widget,
                               theory_is_background=False):
@@ -505,10 +512,12 @@ class FitWidget(qt.QWidget):
                 msg.setWindowTitle('FitWidget Message')
                 msg.exec_()
                 return
-        except:    # noqa (we want to catch and report all errors)
+        except Exception as e:    # noqa (we want to catch and report all errors)
+            _logger.warning('Estimate error: %s', traceback.format_exc())
             msg = qt.QMessageBox(self)
             msg.setIcon(qt.QMessageBox.Critical)
-            msg.setText("Error on estimate: %s" % traceback.format_exc())
+            msg.setWindowTitle("Estimate Error")
+            msg.setText("Error on estimate: %s" % e)
             msg.exec_()
             ddict = {
                 'event': 'EstimateFailed',
@@ -524,9 +533,8 @@ class FitWidget(qt.QWidget):
             'data': self.fitmanager.fit_results}
         self._emitSignal(ddict)
 
+    @deprecated(replacement='startFit', since_version='0.3.0')
     def startfit(self):
-        warnings.warn("Method renamed to startFit",
-                      DeprecationWarning)
         self.startFit()
 
     def startFit(self):
@@ -548,10 +556,12 @@ class FitWidget(qt.QWidget):
                      'data': None}
             self._emitSignal(ddict)
             self.fitmanager.runfit(callback=self.fitStatus)
-        except:  # noqa (we want to catch and report all errors)
+        except Exception as e:  # noqa (we want to catch and report all errors)
+            _logger.warning('Estimate error: %s', traceback.format_exc())
             msg = qt.QMessageBox(self)
             msg.setIcon(qt.QMessageBox.Critical)
-            msg.setText("Error on Fit: %s" % traceback.format_exc())
+            msg.setWindowTitle("Fit Error")
+            msg.setText("Error on Fit: %s" % e)
             msg.exec_()
             ddict = {
                 'event': 'FitFailed',
-- 
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