Mercurial Repositories > eric / file diff

--- a/eric6/UI/DiffDialog.py	Sun Apr 11 11:34:32 2021 +0200
+++ b/eric6/UI/DiffDialog.py	Sun Apr 11 12:38:16 2021 +0200
@@ -229,15 +229,14 @@
         @param fromfiledate modification time of the first file (string)
         @param tofiledate modification time of the second file (string)
         """
-        paras = 0
-        for line in unified_diff(a, b, fromfile, tofile,
-                                 fromfiledate, tofiledate):
+        for paras, line in enumerate(
+            unified_diff(a, b, fromfile, tofile, fromfiledate, tofiledate)
+        ):
             self.__appendText(line)
-            paras += 1
             if not (paras % self.updateInterval):
                 QApplication.processEvents()
             
-        if paras == 0:
+        if self.contents.toPlainText().strip() == "":
             self.__appendText(self.tr('There is no difference.'))
 
     def __generateContextDiff(self, a, b, fromfile, tofile,
@@ -252,15 +251,14 @@
         @param fromfiledate modification time of the first file (string)
         @param tofiledate modification time of the second file (string)
         """
-        paras = 0
-        for line in context_diff(a, b, fromfile, tofile,
-                                 fromfiledate, tofiledate):
+        for paras, line in enumerate(
+            context_diff(a, b, fromfile, tofile, fromfiledate, tofiledate)
+        ):
             self.__appendText(line)
-            paras += 1
             if not (paras % self.updateInterval):
                 QApplication.processEvents()
             
-        if paras == 0:
+        if self.contents.toPlainText().strip() == "":
             self.__appendText(self.tr('There is no difference.'))
 
     def __fileChanged(self):