do not abort on value error in dbf (warning only)

src/main/python/input_backend.py

@@ -211,7 +211,7 @@ def read_in_file(path, backend=None, outsideData=False, plotOutsideTemp=True,
         elif backend != None:
                 backend(path)
         elif path.endswith(".DBF") or path.endswith(".dbf"):
-                dbfread(path,datapoints,pt,ph,pd)
+                dbfread(path,datapoints,pt,ph,pd, qtTextBrowser)
         elif path.endswith(".xls") or path.endswith(".XLS"):
                 csvread(path,datapoints,pt,ph,pd,qtTextBrowser)
         elif path.endswith(".txt"):
@@ -233,8 +233,20 @@ def read_in_file(path, backend=None, outsideData=False, plotOutsideTemp=True,
 
         return datapoints
 
-def dbfread(path,datapoints,pt,ph,pd):
+def dbfread(path, datapoints, pt, ph, pd, qtTextBrowser):
-    for record in DBF(path):
+    print("lol")
+    dbfIterator = iter(DBF(path))
+    print("lol2")
+    while True:
+        record = None
+        try:
+            record = next(dbfIterator)
+        except ValueError as e:
+            qtTextBrowser.append("Warning: Fehlerhafter Eintrag wird übersprungen")
+            continue
+        except StopIteration:
+            break
+
         parse_line(datapoints, record, 'DATETIME',
                         [ ('TEMPCELS',pt), ('HUMIDITY',ph), ('DEWCELS',pd) ],
                         timeutils.time_from_dbf)

src/main/python/main.py

@@ -16,6 +16,7 @@ import datetime as dt
 
 import input_backend
 import plot
+import traceback
 import config_parse as cp
 
 class WidgetGallery(QDialog):
@@ -242,9 +243,10 @@ class WidgetGallery(QDialog):
                                                     qtTextBrowser=self.infoTextBox)
         except Exception as e:
             errorBox = QMessageBox(self)
+            errorBox.setStyleSheet("QLabel{min-width: 700px;}");
             errorBox.setAttribute(PyQt5.QtCore.Qt.WA_DeleteOnClose)
             errorBox.setText(self.localization.error_read_in)
-            errorBox.setDetailedText(str(e))
+            errorBox.setDetailedText(traceback.format_exc())
             errorBox.show()
             return