Use startswith for more pythonic code.

Swap out while True with for line in f.readlines. This will now termitate without having to catch a StopIteration error.

CURA-9141

scripts/update_po_with_changes.py

@@ -28,17 +28,15 @@ def parsePOFile(filename: str) -> List[Msg]:
     messages = []
     with open(filename) as f:
         iterator = iter(f.readlines())
-        while True:
+        for line in iterator:
-            try:
+            if line.startswith("msgctxt"):
-                line = next(iterator)
-                if line[0:7] == "msgctxt":
                 #  Start of a translation item block
                 msg = Msg()
                 msg.msgctxt = line
 
                 while True:
                     line = next(iterator)
-                        if line[0:5] == "msgid":
+                    if line.startswith("msgid"):
                         msg.msgid = line
                         break
 
@@ -47,13 +45,13 @@ def parsePOFile(filename: str) -> List[Msg]:
                     line = next(iterator)
                     if line == "\n":
                         break
-                        if line[0:6] == "msgstr":
+                    if line.startswith("msgstr"):
                         msg.msgstr = line
                     else:
                         msg.msgstr += line
 
                 messages.append(msg)
-            except StopIteration:
+
         return messages
 
 
@@ -75,11 +73,9 @@ def updatePOFile(input_filename: str, output_filename: str, messages: List[Msg])
     # Takes a list of changed messages and writes a copy of input file with updated message strings
     with open(input_filename, "r") as input_file, open(output_filename, "w") as output_file:
         iterator = iter(input_file.readlines())
-        while True:
+        for line in iterator:
-            try:
-                line = next(iterator)
             output_file.write(line)
-                if line[0: 7] == "msgctxt":
+            if line.startswith("msgctxt"):
                 #  Start of translation block
                 msgctxt = line
 
@@ -99,9 +95,6 @@ def updatePOFile(input_filename: str, output_filename: str, messages: List[Msg])
                             output_file.write(line)
                             break
 
-            except StopIteration:
-                return
-
 
 if __name__ == "__main__":
     print("********************************************************************************************************************")