From a1e603a7b34d4016050bcfb6a8248a04e752f120 Mon Sep 17 00:00:00 2001
From: Marcel Hellkamp <marc@gsites.de>
Date: Sat, 27 Mar 2021 15:15:25 +0100
Subject: fix #1226: Reloading fails for packages started with `python -m`

---
 bottle.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/bottle.py b/bottle.py
index 23fff76..c32c7f3 100755
--- a/bottle.py
+++ b/bottle.py
@@ -3669,6 +3669,10 @@ def run(app=None,
             os.close(fd)  # We only need this file to exist. We never write to it
             while os.path.exists(lockfile):
                 args = [sys.executable] + sys.argv
+                if getattr(sys.modules.get('__main__'), '__package__', None):
+                    # If a package was loaded with `python -m`, then `sys.argv`
+                    # is wrong and needs fixing in some cases. See #1336
+                    args[1:1] = ["-m", sys.modules['__main__'].__package__]
                 environ = os.environ.copy()
                 environ['BOTTLE_CHILD'] = 'true'
                 environ['BOTTLE_LOCKFILE'] = lockfile
-- 
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