we probably don't need this lock

logFileModel.py

@@ -19,7 +19,7 @@ class LogFileModel:
     def __init__(self, file: str, settings: Settings):
         self.settings = settings
         self._file = os.path.realpath(file)
-        self._lock = threading.RLock()
+        # self._lock = threading.RLock()
 
     def highlighters(self):
         return Highlighting.read_config(self.settings)
@@ -50,7 +50,8 @@ class LogFileModel:
         return file_name
 
     def read_range(self, start_byte: int, end_byte: int):
-        with self._lock:
+        # with self._lock:
+        if True:
             with open(self._file, 'rb') as f:
                 f.seek(start_byte)
                 bytes = f.read(end_byte - start_byte)
@@ -58,7 +59,8 @@ class LogFileModel:
 
     def write_range(self, start_byte: int, end_byte: int, file: str):
         # print("write range: %d - %d -> %s" % (start_byte, end_byte, file))
-        with self._lock, open(self._file, 'rb') as source, open(file, "w+b") as target:
+        # with self._lock, open(self._file, 'rb') as source, open(file, "w+b") as target:
+        with open(self._file, 'rb') as source, open(file, "w+b") as target:
             offset = start_byte
             source.seek(offset)
             while offset < end_byte:
@@ -75,14 +77,17 @@ class LogFileModel:
         lines_to_find = lines + abs(scroll_lines)
         lines_to_return = math.ceil(lines)
 
-        # start = time.time()
-        with self._lock:
-            # print("data lock acquision %.4f" % (time.time() -start))
+        start = time.time()
+        # with self._lock:
+        if True:
+            duration = time.time() - start
+            if duration > 10:
+                print("data lock acquision %.4f" % ())
             # TODO handle lines longer than 4096 bytes
             # TODO abort file open after a few secons: https://docs.python.org/3/library/signal.html#example
             with open(self._file, 'rb') as f:
                 offset = min(byte_offset, self.byte_count())
-                #print("offset: %s byte_count: %d" % (offset, self.byte_count()))
+                # print("offset: %s byte_count: %d" % (offset, self.byte_count()))
                 offset = max(0, offset - self.settings.max_line_length())
 
                 eof_reached = True