1 files changed, 44 insertions, 0 deletions
diff --git a/examples/stacks.py b/examples/stacks.py
new file mode 100644
index 0000000..0b7e0b2
--- /dev/null
+++ b/examples/stacks.py
@@ -0,0 +1,44 @@
+"""Crude demo for print_stack()."""
+
+
+from asyncio import *
+
+
+@coroutine
+def helper(r):
+    print('--- helper ---')
+    for t in Task.all_tasks():
+        t.print_stack()
+    print('--- end helper ---')
+    line = yield from r.readline()
+    1/0
+    return line
+
+def doit():
+    l = get_event_loop()
+    lr = l.run_until_complete
+    r, w = lr(open_connection('python.org', 80))
+    t1 = async(helper(r))
+    for t in Task.all_tasks(): t.print_stack()
+    print('---')
+    l._run_once()
+    for t in Task.all_tasks(): t.print_stack()
+    print('---')
+    w.write(b'GET /\r\n')
+    w.write_eof()
+    try:
+        lr(t1)
+    except Exception as e:
+        print('catching', e)
+    finally:
+        for t in Task.all_tasks():
+            t.print_stack()
+    l.close()
+
+
+def main():
+    doit()
+
+
+if __name__ == '__main__':
+    main()