Init Django-SHOP

weirdlittleempire/management/commands/spinner.py

@@ -0,0 +1,37 @@
+import sys
+import time
+import threading
+
+
+class Spinner:
+    busy = False
+    delay = 0.1
+
+    @staticmethod
+    def spinning_cursor():
+        while 1:
+            for cursor in '|/-\\':
+                yield cursor
+
+    def __init__(self, delay=None):
+        self.spinner_generator = self.spinning_cursor()
+        if delay and float(delay):
+            self.delay = delay
+
+    def spinner_task(self):
+        while self.busy:
+            sys.stdout.write(next(self.spinner_generator))
+            sys.stdout.flush()
+            time.sleep(self.delay)
+            sys.stdout.write('\b')
+            sys.stdout.flush()
+
+    def __enter__(self):
+        self.busy = True
+        threading.Thread(target=self.spinner_task).start()
+
+    def __exit__(self, exception, value, tb):
+        self.busy = False
+        time.sleep(self.delay)
+        if exception is not None:
+            return False