From 19145e4bd391da6c23c0c6f147689a371362c7d7 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Thu, 19 Dec 2019 08:17:42 +0530
Subject: [PATCH] Use text mode streams for metadata logging

---
 src/calibre/ebooks/metadata/sources/covers.py   | 4 ++--
 src/calibre/ebooks/metadata/sources/identify.py | 4 ++--
 src/calibre/ebooks/metadata/sources/test.py     | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/calibre/ebooks/metadata/sources/covers.py b/src/calibre/ebooks/metadata/sources/covers.py
index c4336a6228..a7a12d652a 100644
--- a/src/calibre/ebooks/metadata/sources/covers.py
+++ b/src/calibre/ebooks/metadata/sources/covers.py
@@ -8,7 +8,7 @@ __docformat__ = 'restructuredtext en'
 
 import time
 from threading import Thread, Event
-from io import BytesIO
+from io import StringIO
 
 from calibre.customize.ui import metadata_plugins
 from calibre.ebooks.metadata.sources.base import create_log
@@ -27,7 +27,7 @@ class Worker(Thread):
         self.plugin = plugin
         self.abort = abort
         self.get_best_cover = get_best_cover
-        self.buf = BytesIO()
+        self.buf = StringIO()
         self.log = create_log(self.buf)
         self.title, self.authors, self.identifiers = (title, authors,
                 identifiers)
diff --git a/src/calibre/ebooks/metadata/sources/identify.py b/src/calibre/ebooks/metadata/sources/identify.py
index 06b7e0bb7f..529c3402c2 100644
--- a/src/calibre/ebooks/metadata/sources/identify.py
+++ b/src/calibre/ebooks/metadata/sources/identify.py
@@ -9,7 +9,7 @@ __docformat__ = 'restructuredtext en'
 import time, re
 from datetime import datetime
 from threading import Thread
-from io import BytesIO
+from io import StringIO
 from operator import attrgetter
 from polyglot.urllib import urlparse, quote
 
@@ -38,7 +38,7 @@ class Worker(Thread):
 
         self.plugin, self.kwargs, self.rq = plugin, kwargs, Queue()
         self.abort = abort
-        self.buf = BytesIO()
+        self.buf = StringIO()
         self.log = create_log(self.buf)
 
     def run(self):
diff --git a/src/calibre/ebooks/metadata/sources/test.py b/src/calibre/ebooks/metadata/sources/test.py
index 695a446730..cc0870fa2e 100644
--- a/src/calibre/ebooks/metadata/sources/test.py
+++ b/src/calibre/ebooks/metadata/sources/test.py
@@ -126,7 +126,7 @@ def pubdate_test(year, month, day):
 def init_test(tdir_name):
     tdir = tempfile.gettempdir()
     lf = os.path.join(tdir, tdir_name.replace(' ', '')+'_identify_test.txt')
-    log = create_log(open(lf, 'wb'))
+    log = create_log(open(lf, 'w'))
     abort = Event()
     return tdir, lf, log, abort