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-rw-r--r--bitbake/lib/bb/msg.py7
-rw-r--r--bitbake/lib/bb/ui/knotty.py5
2 files changed, 10 insertions, 2 deletions
diff --git a/bitbake/lib/bb/msg.py b/bitbake/lib/bb/msg.py
index 90b158238f..f1723be797 100644
--- a/bitbake/lib/bb/msg.py
+++ b/bitbake/lib/bb/msg.py
@@ -216,3 +216,10 @@ def logger_create(name, output=sys.stderr, level=logging.INFO, preserve_handlers
216 logger.handlers = [console] 216 logger.handlers = [console]
217 logger.setLevel(level) 217 logger.setLevel(level)
218 return logger 218 return logger
219
220def has_console_handler(logger):
221 for handler in logger.handlers:
222 if isinstance(handler, logging.StreamHandler):
223 if handler.stream in [sys.stderr, sys.stdout]:
224 return True
225 return False
diff --git a/bitbake/lib/bb/ui/knotty.py b/bitbake/lib/bb/ui/knotty.py
index 82aa7c4644..a19c3b3ba5 100644
--- a/bitbake/lib/bb/ui/knotty.py
+++ b/bitbake/lib/bb/ui/knotty.py
@@ -365,8 +365,9 @@ def main(server, eventHandler, params, tf = TerminalFilter):
365 bb.msg.addDefaultlogFilter(errconsole, bb.msg.BBLogFilterStdErr) 365 bb.msg.addDefaultlogFilter(errconsole, bb.msg.BBLogFilterStdErr)
366 console.setFormatter(format) 366 console.setFormatter(format)
367 errconsole.setFormatter(format) 367 errconsole.setFormatter(format)
368 logger.addHandler(console) 368 if not bb.msg.has_console_handler(logger):
369 logger.addHandler(errconsole) 369 logger.addHandler(console)
370 logger.addHandler(errconsole)
370 371
371 bb.utils.set_process_name("KnottyUI") 372 bb.utils.set_process_name("KnottyUI")
372 373