From c2f85189fa126253312b3f4a4d72042490df2fb8 Mon Sep 17 00:00:00 2001
From: Pedro Larroy <pedro.larroy.lists@gmail.com>
Date: Wed, 15 Sep 2021 17:48:40 +0200
Subject: [PATCH 1/2] Fix open in binary mode.

---
 test_pytracing.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test_pytracing.py b/test_pytracing.py
index aa114d3..b3a333e 100755
--- a/test_pytracing.py
+++ b/test_pytracing.py
@@ -28,7 +28,7 @@ def main():
 
 
 if __name__ == '__main__':
-  with io.open('./trace.out', mode='w', encoding='utf-8') as fh:
+  with io.open('./trace.out', mode='wb') as fh:
     tp = TraceProfiler(output=fh)
     tp.install()
     main()

From 7f778745da287fca5231be3bc632987cc0ea1559 Mon Sep 17 00:00:00 2001
From: Pedro Larroy <pedro.larroy.lists@gmail.com>
Date: Wed, 15 Sep 2021 17:53:57 +0200
Subject: [PATCH 2/2] Use default encoding for json.

---
 pytracing/pytracing.py | 11 ++++++++---
 test_pytracing.py      |  2 +-
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/pytracing/pytracing.py b/pytracing/pytracing.py
index 607f532..9cead8a 100644
--- a/pytracing/pytracing.py
+++ b/pytracing/pytracing.py
@@ -9,8 +9,11 @@
 import json
 import time
 import threading
+import logging
 from contextlib import contextmanager
 
+logger = logging.getLogger(__name__)
+
 try:
   from queue import Queue
 except ImportError:
@@ -32,17 +35,19 @@ def __init__(self, terminator, input_queue, output_stream):
 
   def _open_collection(self):
     """Write the opening of a JSON array to the output."""
-    self.output.write(b'[')
+    logger.debug('_open_collection')
+    self.output.write('[')
 
   def _close_collection(self):
     """Write the closing of a JSON array to the output."""
-    self.output.write(b'{}]')  # empty {} so the final entry doesn't end with a comma
+    logger.debug('_close_collection')
+    self.output.write('{}]')  # empty {} so the final entry doesn't end with a comma
 
   def run(self):
     self._open_collection()
     while not self.terminator.is_set() or not self.input.empty():
       item = self.input.get()
-      self.output.write((json.dumps(item) + ',\n').encode('ascii'))
+      self.output.write(json.dumps(item) + ',\n')
     self._close_collection()
 
 
diff --git a/test_pytracing.py b/test_pytracing.py
index b3a333e..aa114d3 100755
--- a/test_pytracing.py
+++ b/test_pytracing.py
@@ -28,7 +28,7 @@ def main():
 
 
 if __name__ == '__main__':
-  with io.open('./trace.out', mode='wb') as fh:
+  with io.open('./trace.out', mode='w', encoding='utf-8') as fh:
     tp = TraceProfiler(output=fh)
     tp.install()
     main()