From 3c8ed2e44eb3777cba3441934fac431e953fd691 Mon Sep 17 00:00:00 2001
From: marcel <marcel.paffrath@rub.de>
Date: Mon, 14 Aug 2017 11:29:32 +0200
Subject: [PATCH] [add] traceback for error in Thread

---
 pylot/core/util/thread.py  | 12 +++++++-----
 pylot/core/util/widgets.py |  9 ++++++---
 2 files changed, 13 insertions(+), 8 deletions(-)

diff --git a/pylot/core/util/thread.py b/pylot/core/util/thread.py
index 65217a7f..5e79cb0e 100644
--- a/pylot/core/util/thread.py
+++ b/pylot/core/util/thread.py
@@ -67,9 +67,10 @@ class Thread(QThread):
         except Exception as e:
             self._executed = False
             self._executedError = e
-            exc_type, exc_obj, exc_tb = sys.exc_info()
-            fname = os.path.split(exc_tb.tb_frame.f_code.co_filename)[1]
-            print('Exception: {}, file: {}, line: {}'.format(exc_type, fname, exc_tb.tb_lineno))
+            traceback.print_exc()
+            exctype, value = sys.exc_info ()[:2]
+            self._executedErrorInfo = '{} {} {}'.\
+                format(exctype, value, traceback.format_exc())
         sys.stdout = sys.__stdout__
 
     def showProgressbar(self):
@@ -107,7 +108,7 @@ class Thread(QThread):
 
 class Worker(QRunnable):
     '''
-
+    Worker class to be run by MultiThread(QThread).
     '''
     def __init__(self, fun, args,
                  progressText=None,
@@ -130,7 +131,7 @@ class Worker(QRunnable):
         try:
             result = self.fun(self.args)
         except:
-            traceback.print_exc()
+            #traceback.print_exc()
             exctype, value = sys.exc_info ()[:2]
             print(exctype, value, traceback.format_exc())
             #self.signals.error.emit ((exctype, value, traceback.format_exc ()))
@@ -148,6 +149,7 @@ class Worker(QRunnable):
 
 class WorkerSignals(QObject):
     '''
+    Class to provide signals for Worker Class
     '''
     finished = Signal(str)
     message = Signal(str)
diff --git a/pylot/core/util/widgets.py b/pylot/core/util/widgets.py
index e5ce7950..7894312e 100644
--- a/pylot/core/util/widgets.py
+++ b/pylot/core/util/widgets.py
@@ -2342,8 +2342,10 @@ class TuneAutopicker(QWidget):
     def finish_picker(self):
         self.enable(True)
         if not self.ap_thread._executed:
-            self._warn('Could not execute picker:\n{}'.format(
-                self.ap_thread._executedError))
+            msg = 'Could not execute picker:\n{}'.format(
+                self.ap_thread._executedError)
+            info = self.ap_thread._executedErrorInfo
+            self._warn(msg, info)
             return
         self.pylot_picks = self.ap_thread.data
         if not self.pylot_picks:
@@ -2396,9 +2398,10 @@ class TuneAutopicker(QWidget):
         self.figure_tabs.setTabEnabled(2, bool)
         self.figure_tabs.setTabEnabled(3, bool)
 
-    def _warn(self, message):
+    def _warn(self, message, info=None):
         self.qmb = QtGui.QMessageBox(QtGui.QMessageBox.Icon.Warning,
                                      'Warning', message)
+        self.qmb.setDetailedText(str(info))
         self.qmb.show()