Import the "zeroconf" module only when a user lists mDNS devices (issue with zeroconf's LGPL license)

Author: ivankravets

HISTORY.rst

@@ -16,6 +16,8 @@ PlatformIO Core 6
 6.1.6 (2022-??-??)
 ~~~~~~~~~~~~~~~~~~
 
+* Import the "zeroconf" module only when a user lists mDNS devices (issue with zeroconf's LGPL license)
+
 6.1.5 (2022-11-01)
 ~~~~~~~~~~~~~~~~~~
 

platformio/device/list/util.py

@@ -18,8 +18,6 @@
 import time
 from glob import glob
 
-import zeroconf
-
 from platformio import __version__, exception, proc
 from platformio.compat import IS_MACOS, IS_WINDOWS
 
@@ -84,6 +82,8 @@ def list_logical_devices():
 
 
 def list_mdns_services():
+    import zeroconf
+
     class mDNSListener:
         def __init__(self):
             self._zc = zeroconf.Zeroconf(interfaces=zeroconf.InterfaceChoice.All)