sysutils/py-mitogen: Fix build with setuptools 58.0.0+

With hat:	python

sysutils/py-mitogen/files/patch-2to3

@@ -0,0 +1,169 @@
+--- ansible_mitogen/compat/simplejson/decoder.py.orig	2019-11-02 17:59:13 UTC
++++ ansible_mitogen/compat/simplejson/decoder.py
+@@ -56,8 +56,8 @@ _CONSTANTS = {
+
+ STRINGCHUNK = re.compile(r'(.*?)(["\\\x00-\x1f])', FLAGS)
+ BACKSLASH = {
+-    '"': u'"', '\\': u'\\', '/': u'/',
+-    'b': u'\b', 'f': u'\f', 'n': u'\n', 'r': u'\r', 't': u'\t',
++    '"': '"', '\\': '\\', '/': '/',
++    'b': '\b', 'f': '\f', 'n': '\n', 'r': '\r', 't': '\t',
+ }
+
+ DEFAULT_ENCODING = "utf-8"
+@@ -85,8 +85,8 @@ def py_scanstring(s, end, encoding=None, strict=True, 
+         content, terminator = chunk.groups()
+         # Content is contains zero or more unescaped string characters
+         if content:
+-            if not isinstance(content, unicode):
+-                content = unicode(content, encoding)
++            if not isinstance(content, str):
++                content = str(content, encoding)
+             _append(content)
+         # Terminator is the end of string, a literal control character,
+         # or a backslash denoting that an escape sequence follows
+@@ -132,11 +132,11 @@ def py_scanstring(s, end, encoding=None, strict=True, 
+                 uni2 = int(esc2, 16)
+                 uni = 0x10000 + (((uni - 0xd800) << 10) | (uni2 - 0xdc00))
+                 next_end += 6
+-            char = unichr(uni)
++            char = chr(uni)
+             end = next_end
+         # Append the unescaped character
+         _append(char)
+-    return u''.join(chunks), end
++    return ''.join(chunks), end
+
+
+ # Use speedup if available
+@@ -145,7 +145,8 @@ scanstring = c_scanstring or py_scanstring
+ WHITESPACE = re.compile(r'[ \t\n\r]*', FLAGS)
+ WHITESPACE_STR = ' \t\n\r'
+
+-def JSONObject((s, end), encoding, strict, scan_once, object_hook, _w=WHITESPACE.match, _ws=WHITESPACE_STR):
++def JSONObject(xxx_todo_changeme, encoding, strict, scan_once, object_hook, _w=WHITESPACE.match, _ws=WHITESPACE_STR):
++    (s, end) = xxx_todo_changeme
+     pairs = {}
+     # Use a slice to prevent IndexError from being raised, the following
+     # check will raise a more specific ValueError if the string is empty
+@@ -220,7 +221,8 @@ def JSONObject((s, end), encoding, strict, scan_once, 
+         pairs = object_hook(pairs)
+     return pairs, end
+
+-def JSONArray((s, end), scan_once, _w=WHITESPACE.match, _ws=WHITESPACE_STR):
++def JSONArray(xxx_todo_changeme1, scan_once, _w=WHITESPACE.match, _ws=WHITESPACE_STR):
++    (s, end) = xxx_todo_changeme1
+     values = []
+     nextchar = s[end:end + 1]
+     if nextchar in _ws:
+--- ansible_mitogen/compat/simplejson/encoder.py.orig	2019-11-02 17:59:13 UTC
++++ ansible_mitogen/compat/simplejson/encoder.py
+@@ -184,7 +184,7 @@ class JSONEncoder(object):
+
+         """
+         # This is for extremely simple cases and benchmarks.
+-        if isinstance(o, basestring):
++        if isinstance(o, str):
+             if isinstance(o, str):
+                 _encoding = self.encoding
+                 if (_encoding is not None
+@@ -261,18 +261,15 @@ class JSONEncoder(object):
+
+ def _make_iterencode(markers, _default, _encoder, _indent, _floatstr, _key_separator, _item_separator, _sort_keys, _skipkeys, _one_shot,
+         ## HACK: hand-optimized bytecode; turn globals into locals
+-        False=False,
+-        True=True,
+         ValueError=ValueError,
+-        basestring=basestring,
++        str=str,
+         dict=dict,
+         float=float,
+         id=id,
+         int=int,
+         isinstance=isinstance,
+         list=list,
+-        long=long,
+-        str=str,
++        long=int,
+         tuple=tuple,
+     ):
+
+@@ -300,7 +297,7 @@ def _make_iterencode(markers, _default, _encoder, _ind
+                 first = False
+             else:
+                 buf = separator
+-            if isinstance(value, basestring):
++            if isinstance(value, str):
+                 yield buf + _encoder(value)
+             elif value is None:
+                 yield buf + 'null'
+@@ -308,7 +305,7 @@ def _make_iterencode(markers, _default, _encoder, _ind
+                 yield buf + 'true'
+             elif value is False:
+                 yield buf + 'false'
+-            elif isinstance(value, (int, long)):
++            elif isinstance(value, int):
+                 yield buf + str(value)
+             elif isinstance(value, float):
+                 yield buf + _floatstr(value)
+@@ -349,12 +346,12 @@ def _make_iterencode(markers, _default, _encoder, _ind
+             item_separator = _item_separator
+         first = True
+         if _sort_keys:
+-            items = dct.items()
++            items = list(dct.items())
+             items.sort(key=lambda kv: kv[0])
+         else:
+-            items = dct.iteritems()
++            items = iter(dct.items())
+         for key, value in items:
+-            if isinstance(key, basestring):
++            if isinstance(key, str):
+                 pass
+             # JavaScript is weakly typed for these, so it makes sense to
+             # also allow them.  Many encoders seem to do something like this.
+@@ -366,7 +363,7 @@ def _make_iterencode(markers, _default, _encoder, _ind
+                 key = 'false'
+             elif key is None:
+                 key = 'null'
+-            elif isinstance(key, (int, long)):
++            elif isinstance(key, int):
+                 key = str(key)
+             elif _skipkeys:
+                 continue
+@@ -378,7 +375,7 @@ def _make_iterencode(markers, _default, _encoder, _ind
+                 yield item_separator
+             yield _encoder(key)
+             yield _key_separator
+-            if isinstance(value, basestring):
++            if isinstance(value, str):
+                 yield _encoder(value)
+             elif value is None:
+                 yield 'null'
+@@ -386,7 +383,7 @@ def _make_iterencode(markers, _default, _encoder, _ind
+                 yield 'true'
+             elif value is False:
+                 yield 'false'
+-            elif isinstance(value, (int, long)):
++            elif isinstance(value, int):
+                 yield str(value)
+             elif isinstance(value, float):
+                 yield _floatstr(value)
+@@ -407,7 +404,7 @@ def _make_iterencode(markers, _default, _encoder, _ind
+             del markers[markerid]
+
+     def _iterencode(o, _current_indent_level):
+-        if isinstance(o, basestring):
++        if isinstance(o, str):
+             yield _encoder(o)
+         elif o is None:
+             yield 'null'
+@@ -415,7 +412,7 @@ def _make_iterencode(markers, _default, _encoder, _ind
+             yield 'true'
+         elif o is False:
+             yield 'false'
+-        elif isinstance(o, (int, long)):
++        elif isinstance(o, int):
+             yield str(o)
+         elif isinstance(o, float):
+             yield _floatstr(o)