From 01a9fb66871abb485ac9b3a69ea7b7086d2ce51a Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Fri, 28 Sep 2018 09:47:35 +0530
Subject: [PATCH] Fix #1794915 [setup.py build does not work due to
 UnicodeEncodeError](https://bugs.launchpad.net/calibre/+bug/1794915)

---
 setup/__init__.py | 65 +++++++++++++++++++++++++----------------------
 1 file changed, 34 insertions(+), 31 deletions(-)

diff --git a/setup/__init__.py b/setup/__init__.py
index f3c90d46d7..0f9b840120 100644
--- a/setup/__init__.py
+++ b/setup/__init__.py
@@ -1,7 +1,6 @@
 #!/usr/bin/env python2
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
-from __future__ import with_statement
-from __future__ import print_function
+from __future__ import with_statement, print_function
 
 __license__   = 'GPL v3'
 __copyright__ = '2009, Kovid Goyal <kovid@kovidgoyal.net>'
@@ -11,6 +10,7 @@ import sys, re, os, platform, subprocess, time, errno
 
 is64bit = platform.architecture()[0] == '64bit'
 iswindows = re.search('win(32|64)', sys.platform)
+ispy3 = sys.version_info.major > 2
 isosx = 'darwin' in sys.platform
 isfreebsd = 'freebsd' in sys.platform
 isnetbsd = 'netbsd' in sys.platform
@@ -123,31 +123,22 @@ initialize_constants()
 preferred_encoding = 'utf-8'
 
 
-def prints(*args, **kwargs):
-    '''
-    Print unicode arguments safely by encoding them to preferred_encoding
-    Has the same signature as the print function from Python 3, except for the
-    additional keyword argument safe_encode, which if set to True will cause the
-    function to use repr when encoding fails.
-    '''
-    file = kwargs.get('file', sys.stdout)
-    sep  = kwargs.get('sep', ' ')
-    end  = kwargs.get('end', '\n')
-    enc = preferred_encoding
-    safe_encode = kwargs.get('safe_encode', False)
-    for i, arg in enumerate(args):
-        if isinstance(arg, unicode):
-            try:
-                arg = arg.encode(enc)
-            except UnicodeEncodeError:
-                if not safe_encode:
-                    raise
-                arg = repr(arg)
-        if not isinstance(arg, str):
-            try:
-                arg = str(arg)
-            except ValueError:
-                arg = unicode(arg)
+if ispy3:
+    prints = print
+else:
+    def prints(*args, **kwargs):
+        '''
+        Print unicode arguments safely by encoding them to preferred_encoding
+        Has the same signature as the print function from Python 3, except for the
+        additional keyword argument safe_encode, which if set to True will cause the
+        function to use repr when encoding fails.
+        '''
+        file = kwargs.get('file', sys.stdout)
+        sep  = kwargs.get('sep', ' ')
+        end  = kwargs.get('end', '\n')
+        enc = preferred_encoding
+        safe_encode = kwargs.get('safe_encode', False)
+        for i, arg in enumerate(args):
             if isinstance(arg, unicode):
                 try:
                     arg = arg.encode(enc)
@@ -155,11 +146,23 @@ def prints(*args, **kwargs):
                     if not safe_encode:
                         raise
                     arg = repr(arg)
+            if not isinstance(arg, str):
+                try:
+                    arg = str(arg)
+                except ValueError:
+                    arg = unicode(arg)
+                if isinstance(arg, unicode):
+                    try:
+                        arg = arg.encode(enc)
+                    except UnicodeEncodeError:
+                        if not safe_encode:
+                            raise
+                        arg = repr(arg)
 
-        file.write(arg)
-        if i != len(args)-1:
-            file.write(sep)
-    file.write(end)
+            file.write(arg)
+            if i != len(args)-1:
+                file.write(sep)
+        file.write(end)
 
 
 warnings = []