Re: b4 fails to build w/ py 3.6.5

[Jiri Slaby <jslaby@suse.cz>]

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On 26. 05. 20, 13:38, Jiri Slaby wrote:
> Hi,
> 
> while b4 builds fine with python 3.8.3, python 3.6.5 (SLE15-SP2) fails
> to build it:
>> [    3s] + /usr/bin/python3 setup.py build '--executable=/usr/bin/python3 -s'
>> [    3s] Traceback (most recent call last):
>> [    3s]   File "setup.py", line 28, in <module>
>> [    3s]     version=find_version('b4/__init__.py'),
>> [    3s]   File "setup.py", line 18, in find_version
>> [    3s]     version_file = read(source)
>> [    3s]   File "setup.py", line 14, in read
>> [    3s]     return open(os.path.join(os.path.dirname(__file__), fname)).read()
>> [    3s]   File "/usr/lib64/python3.6/encodings/ascii.py", line 26, in decode
>> [    3s]     return codecs.ascii_decode(input, self.errors)[0]
>> [    3s] UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 915: ordinal not in range(128)
>> [    3s] error: Bad exit status from /var/tmp/rpm-tmp.nPNYVp (%build)
> 
> It is the tick in PASS_FANCY on line 41 in b4/__init__.py.
> 
> I have zero python-fu, but I believe it's because 3.6 tries to load the
> file using ascii, while 3.8 defaults to utf-8...

The attached patch fixes it. But as I wrote, I have no idea whether it
is correct at all.

thanks,
-- 
js
suse labs

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From 345a58f37d51b302937a14f623076c5dd13dcc32 Mon Sep 17 00:00:00 2001
From: Jiri Slaby <jslaby@suse.cz>
Date: Tue, 26 May 2020 13:40:37 +0200
Subject: [PATCH] fix unicode

---
 setup.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/setup.py b/setup.py
index ed24367c6c56..c73c9f4b2b0b 100644
--- a/setup.py
+++ b/setup.py
@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
 
+import io
 import os
 import re
 from setuptools import setup
@@ -11,7 +12,7 @@ from setuptools import setup
 
 
 def read(fname):
-    return open(os.path.join(os.path.dirname(__file__), fname)).read()
+    return io.open(os.path.join(os.path.dirname(__file__), fname), "r", encoding="utf-8").read()
 
 
 def find_version(source):
-- 
2.26.2