✨ implement a SearchingProgressBar

Author: InnoFang

code_counter/tools/progress.py

@@ -0,0 +1,45 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8  -*-
+
+import threading
+import sys
+import time
+
+
+class SearchingProgressBar(threading.Thread):
+    __LEN__ = 10
+
+    def __init__(self):
+        super(SearchingProgressBar, self).__init__()
+        self.daemon = True
+        self._stop_event = threading.Event()
+
+    def stop(self):
+        self._stop_event.set()
+
+    def stopped(self):
+        return self._stop_event.is_set()
+
+    def __clear(self):
+        sys.stdout.write("\r")
+        sys.stdout.write("   " * self.__LEN__)
+        sys.stdout.write("\r")
+        sys.stdout.flush()
+
+    def run(self):
+        while True:
+            progress = "searching "
+            for i in range(self.__LEN__):
+                if self.stopped():
+                    self.__clear()
+                    return
+                time.sleep(0.1)
+                sys.stdout.write("\r")
+                progress += " ."
+                sys.stdout.write(progress)
+                sys.stdout.flush()
+                sys.stdout.write("\r")
+            sys.stdout.write("\r")
+            sys.stdout.write("searching " + "  " * self.__LEN__)
+            sys.stdout.write("\r")
+            sys.stdout.flush()