File use-standard-json-lib.patch of Package python-ovs

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File use-standard-json-lib.patch of Package python-ovs

--- ovs-2.5.0/ovs/json.py
+++ ovs-2.5.0/ovs/json.py
@@ -12,115 +12,35 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from __future__ import absolute_import
+import functools
+import json
 import re
 import StringIO
 import sys
 
 __pychecker__ = 'no-stringiter'
 
-escapes = {ord('"'): u"\\\"",
-           ord("\\"): u"\\\\",
-           ord("\b"): u"\\b",
-           ord("\f"): u"\\f",
-           ord("\n"): u"\\n",
-           ord("\r"): u"\\r",
-           ord("\t"): u"\\t"}
-for esc in range(32):
-    if esc not in escapes:
-        escapes[esc] = u"\\u%04x" % esc
-
 SPACES_PER_LEVEL = 2
 
 
-class _Serializer(object):
-    def __init__(self, stream, pretty, sort_keys):
-        self.stream = stream
-        self.pretty = pretty
-        self.sort_keys = sort_keys
-        self.depth = 0
-
-    def __serialize_string(self, s):
-        self.stream.write(u'"%s"' % ''.join(escapes.get(ord(c), c) for c in s))
-
-    def __indent_line(self):
-        if self.pretty:
-            self.stream.write('\n')
-            self.stream.write(' ' * (SPACES_PER_LEVEL * self.depth))
-
-    def serialize(self, obj):
-        if obj is None:
-            self.stream.write(u"null")
-        elif obj is False:
-            self.stream.write(u"false")
-        elif obj is True:
-            self.stream.write(u"true")
-        elif type(obj) in (int, long):
-            self.stream.write(u"%d" % obj)
-        elif type(obj) == float:
-            self.stream.write("%.15g" % obj)
-        elif type(obj) == unicode:
-            self.__serialize_string(obj)
-        elif type(obj) == str:
-            self.__serialize_string(unicode(obj))
-        elif type(obj) == dict:
-            self.stream.write(u"{")
-
-            self.depth += 1
-            self.__indent_line()
-
-            if self.sort_keys:
-                items = sorted(obj.items())
-            else:
-                items = obj.iteritems()
-            for i, (key, value) in enumerate(items):
-                if i > 0:
-                    self.stream.write(u",")
-                    self.__indent_line()
-                self.__serialize_string(unicode(key))
-                self.stream.write(u":")
-                if self.pretty:
-                    self.stream.write(u' ')
-                self.serialize(value)
-
-            self.stream.write(u"}")
-            self.depth -= 1
-        elif type(obj) in (list, tuple):
-            self.stream.write(u"[")
-            self.depth += 1
-
-            if obj:
-                self.__indent_line()
-
-                for i, value in enumerate(obj):
-                    if i > 0:
-                        self.stream.write(u",")
-                        self.__indent_line()
-                    self.serialize(value)
-
-            self.depth -= 1
-            self.stream.write(u"]")
-        else:
-            raise Exception("can't serialize %s as JSON" % obj)
+dumper = functools.partial(json.dumps, separators=(",", ":"),
+                           ensure_ascii=False)
 
 
 def to_stream(obj, stream, pretty=False, sort_keys=True):
-    _Serializer(stream, pretty, sort_keys).serialize(obj)
+    stream.write(dumper(obj, indent=SPACES_PER_LEVEL if pretty else None,
+                        sort_keys=sort_keys))
 
 
 def to_file(obj, name, pretty=False, sort_keys=True):
-    stream = open(name, "w")
-    try:
+    with open(name, "w") as stream:
         to_stream(obj, stream, pretty, sort_keys)
-    finally:
-        stream.close()
 
 
 def to_string(obj, pretty=False, sort_keys=True):
-    output = StringIO.StringIO()
-    to_stream(obj, output, pretty, sort_keys)
-    s = output.getvalue()
-    output.close()
-    return s
+    return dumper(obj, indent=SPACES_PER_LEVEL if pretty else None,
+                  sort_keys=sort_keys)
 
 
 def from_stream(stream):
diff -Nur a/ovs-2.5.0/ovs/json.py.orig b/ovs-2.5.0/ovs/json.py.orig
--- a/ovs-2.5.0/ovs/json.py.orig	1970-01-01 01:00:00.000000000 +0100
+++ b/ovs-2.5.0/ovs/json.py.orig	2018-11-07 17:13:36.368136478 +0100
@@ -0,0 +1,586 @@
+# Copyright (c) 2010, 2011, 2012 Nicira, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import re
+import StringIO
+import sys
+
+__pychecker__ = 'no-stringiter'
+
+escapes = {ord('"'): u"\\\"",
+           ord("\\"): u"\\\\",
+           ord("\b"): u"\\b",
+           ord("\f"): u"\\f",
+           ord("\n"): u"\\n",
+           ord("\r"): u"\\r",
+           ord("\t"): u"\\t"}
+for esc in range(32):
+    if esc not in escapes:
+        escapes[esc] = u"\\u%04x" % esc
+
+SPACES_PER_LEVEL = 2
+
+
+class _Serializer(object):
+    def __init__(self, stream, pretty, sort_keys):
+        self.stream = stream
+        self.pretty = pretty
+        self.sort_keys = sort_keys
+        self.depth = 0
+
+    def __serialize_string(self, s):
+        self.stream.write(u'"%s"' % ''.join(escapes.get(ord(c), c) for c in s))
+
+    def __indent_line(self):
+        if self.pretty:
+            self.stream.write('\n')
+            self.stream.write(' ' * (SPACES_PER_LEVEL * self.depth))
+
+    def serialize(self, obj):
+        if obj is None:
+            self.stream.write(u"null")
+        elif obj is False:
+            self.stream.write(u"false")
+        elif obj is True:
+            self.stream.write(u"true")
+        elif type(obj) in (int, long):
+            self.stream.write(u"%d" % obj)
+        elif type(obj) == float:
+            self.stream.write("%.15g" % obj)
+        elif type(obj) == unicode:
+            self.__serialize_string(obj)
+        elif type(obj) == str:
+            self.__serialize_string(unicode(obj))
+        elif type(obj) == dict:
+            self.stream.write(u"{")
+
+            self.depth += 1
+            self.__indent_line()
+
+            if self.sort_keys:
+                items = sorted(obj.items())
+            else:
+                items = obj.iteritems()
+            for i, (key, value) in enumerate(items):
+                if i > 0:
+                    self.stream.write(u",")
+                    self.__indent_line()
+                self.__serialize_string(unicode(key))
+                self.stream.write(u":")
+                if self.pretty:
+                    self.stream.write(u' ')
+                self.serialize(value)
+
+            self.stream.write(u"}")
+            self.depth -= 1
+        elif type(obj) in (list, tuple):
+            self.stream.write(u"[")
+            self.depth += 1
+
+            if obj:
+                self.__indent_line()
+
+                for i, value in enumerate(obj):
+                    if i > 0:
+                        self.stream.write(u",")
+                        self.__indent_line()
+                    self.serialize(value)
+
+            self.depth -= 1
+            self.stream.write(u"]")
+        else:
+            raise Exception("can't serialize %s as JSON" % obj)
+
+
+def to_stream(obj, stream, pretty=False, sort_keys=True):
+    _Serializer(stream, pretty, sort_keys).serialize(obj)
+
+
+def to_file(obj, name, pretty=False, sort_keys=True):
+    stream = open(name, "w")
+    try:
+        to_stream(obj, stream, pretty, sort_keys)
+    finally:
+        stream.close()
+
+
+def to_string(obj, pretty=False, sort_keys=True):
+    output = StringIO.StringIO()
+    to_stream(obj, output, pretty, sort_keys)
+    s = output.getvalue()
+    output.close()
+    return s
+
+
+def from_stream(stream):
+    p = Parser(check_trailer=True)
+    while True:
+        buf = stream.read(4096)
+        if buf == "" or p.feed(buf) != len(buf):
+            break
+    return p.finish()
+
+
+def from_file(name):
+    stream = open(name, "r")
+    try:
+        return from_stream(stream)
+    finally:
+        stream.close()
+
+
+def from_string(s):
+    try:
+        s = unicode(s, 'utf-8')
+    except UnicodeDecodeError, e:
+        seq = ' '.join(["0x%2x" % ord(c)
+                        for c in e.object[e.start:e.end] if ord(c) >= 0x80])
+        return ("not a valid UTF-8 string: invalid UTF-8 sequence %s" % seq)
+    p = Parser(check_trailer=True)
+    p.feed(s)
+    return p.finish()
+
+
+class Parser(object):
+    ## Maximum height of parsing stack. ##
+    MAX_HEIGHT = 1000
+
+    def __init__(self, check_trailer=False):
+        self.check_trailer = check_trailer
+
+        # Lexical analysis.
+        self.lex_state = Parser.__lex_start
+        self.buffer = ""
+        self.line_number = 0
+        self.column_number = 0
+        self.byte_number = 0
+
+        # Parsing.
+        self.parse_state = Parser.__parse_start
+        self.stack = []
+        self.member_name = None
+
+        # Parse status.
+        self.done = False
+        self.error = None
+
+    def __lex_start_space(self, c):
+        pass
+
+    def __lex_start_alpha(self, c):
+        self.buffer = c
+        self.lex_state = Parser.__lex_keyword
+
+    def __lex_start_token(self, c):
+        self.__parser_input(c)
+
+    def __lex_start_number(self, c):
+        self.buffer = c
+        self.lex_state = Parser.__lex_number
+
+    def __lex_start_string(self, _):
+        self.lex_state = Parser.__lex_string
+
+    def __lex_start_error(self, c):
+        if ord(c) >= 32 and ord(c) < 128:
+            self.__error("invalid character '%s'" % c)
+        else:
+            self.__error("invalid character U+%04x" % ord(c))
+
+    __lex_start_actions = {}
+    for c in " \t\n\r":
+        __lex_start_actions[c] = __lex_start_space
+    for c in "abcdefghijklmnopqrstuvwxyz":
+        __lex_start_actions[c] = __lex_start_alpha
+    for c in "[{]}:,":
+        __lex_start_actions[c] = __lex_start_token
+    for c in "-0123456789":
+        __lex_start_actions[c] = __lex_start_number
+    __lex_start_actions['"'] = __lex_start_string
+
+    def __lex_start(self, c):
+        Parser.__lex_start_actions.get(
+            c, Parser.__lex_start_error)(self, c)
+        return True
+
+    __lex_alpha = {}
+    for c in "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ":
+        __lex_alpha[c] = True
+
+    def __lex_finish_keyword(self):
+        if self.buffer == "false":
+            self.__parser_input(False)
+        elif self.buffer == "true":
+            self.__parser_input(True)
+        elif self.buffer == "null":
+            self.__parser_input(None)
+        else:
+            self.__error("invalid keyword '%s'" % self.buffer)
+
+    def __lex_keyword(self, c):
+        if c in Parser.__lex_alpha:
+            self.buffer += c
+            return True
+        else:
+            self.__lex_finish_keyword()
+            return False
+
+    __number_re = re.compile("(-)?(0|[1-9][0-9]*)"
+            "(?:\.([0-9]+))?(?:[eE]([-+]?[0-9]+))?$")
+
+    def __lex_finish_number(self):
+        s = self.buffer
+        m = Parser.__number_re.match(s)
+        if m:
+            sign, integer, fraction, exp = m.groups()
+            if (exp is not None and
+                (long(exp) > sys.maxint or long(exp) < -sys.maxint - 1)):
+                self.__error("exponent outside valid range")
+                return
+
+            if fraction is not None and len(fraction.lstrip('0')) == 0:
+                fraction = None
+
+            sig_string = integer
+            if fraction is not None:
+                sig_string += fraction
+            significand = int(sig_string)
+
+            pow10 = 0
+            if fraction is not None:
+                pow10 -= len(fraction)
+            if exp is not None:
+                pow10 += long(exp)
+
+            if significand == 0:
+                self.__parser_input(0)
+                return
+            elif significand <= 2 ** 63:
+                while pow10 > 0 and significand <= 2 ** 63:
+                    significand *= 10
+                    pow10 -= 1
+                while pow10 < 0 and significand % 10 == 0:
+                    significand /= 10
+                    pow10 += 1
+                if (pow10 == 0 and
+                    ((not sign and significand < 2 ** 63) or
+                     (sign and significand <= 2 ** 63))):
+                    if sign:
+                        self.__parser_input(-significand)
+                    else:
+                        self.__parser_input(significand)
+                    return
+
+            value = float(s)
+            if value == float("inf") or value == float("-inf"):
+                self.__error("number outside valid range")
+                return
+            if value == 0:
+                # Suppress negative zero.
+                value = 0
+            self.__parser_input(value)
+        elif re.match("-?0[0-9]", s):
+            self.__error("leading zeros not allowed")
+        elif re.match("-([^0-9]|$)", s):
+            self.__error("'-' must be followed by digit")
+        elif re.match("-?(0|[1-9][0-9]*)\.([^0-9]|$)", s):
+            self.__error("decimal point must be followed by digit")
+        elif re.search("e[-+]?([^0-9]|$)", s):
+            self.__error("exponent must contain at least one digit")
+        else:
+            self.__error("syntax error in number")
+
+    def __lex_number(self, c):
+        if c in ".0123456789eE-+":
+            self.buffer += c
+            return True
+        else:
+            self.__lex_finish_number()
+            return False
+
+    __4hex_re = re.compile("[0-9a-fA-F]{4}")
+
+    def __lex_4hex(self, s):
+        if len(s) < 4:
+            self.__error("quoted string ends within \\u escape")
+        elif not Parser.__4hex_re.match(s):
+            self.__error("malformed \\u escape")
+        elif s == "0000":
+            self.__error("null bytes not supported in quoted strings")
+        else:
+            return int(s, 16)
+
+    @staticmethod
+    def __is_leading_surrogate(c):
+        """Returns true if 'c' is a Unicode code point for a leading
+        surrogate."""
+        return c >= 0xd800 and c <= 0xdbff
+
+    @staticmethod
+    def __is_trailing_surrogate(c):
+        """Returns true if 'c' is a Unicode code point for a trailing
+        surrogate."""
+        return c >= 0xdc00 and c <= 0xdfff
+
+    @staticmethod
+    def __utf16_decode_surrogate_pair(leading, trailing):
+        """Returns the unicode code point corresponding to leading surrogate
+        'leading' and trailing surrogate 'trailing'.  The return value will not
+        make any sense if 'leading' or 'trailing' are not in the correct ranges
+        for leading or trailing surrogates."""
+        #  Leading surrogate:         110110wwwwxxxxxx
+        # Trailing surrogate:         110111xxxxxxxxxx
+        #         Code point: 000uuuuuxxxxxxxxxxxxxxxx
+        w = (leading >> 6) & 0xf
+        u = w + 1
+        x0 = leading & 0x3f
+        x1 = trailing & 0x3ff
+        return (u << 16) | (x0 << 10) | x1
+    __unescape = {'"': u'"',
+                  "\\": u"\\",
+                  "/": u"/",
+                  "b": u"\b",
+                  "f": u"\f",
+                  "n": u"\n",
+                  "r": u"\r",
+                  "t": u"\t"}
+
+    def __lex_finish_string(self):
+        inp = self.buffer
+        out = u""
+        while len(inp):
+            backslash = inp.find('\\')
+            if backslash == -1:
+                out += inp
+                break
+            out += inp[:backslash]
+            inp = inp[backslash + 1:]
+            if inp == "":
+                self.__error("quoted string may not end with backslash")
+                return
+
+            replacement = Parser.__unescape.get(inp[0])
+            if replacement is not None:
+                out += replacement
+                inp = inp[1:]
+                continue
+            elif inp[0] != u'u':
+                self.__error("bad escape \\%s" % inp[0])
+                return
+
+            c0 = self.__lex_4hex(inp[1:5])
+            if c0 is None:
+                return
+            inp = inp[5:]
+
+            if Parser.__is_leading_surrogate(c0):
+                if inp[:2] != u'\\u':
+                    self.__error("malformed escaped surrogate pair")
+                    return
+                c1 = self.__lex_4hex(inp[2:6])
+                if c1 is None:
+                    return
+                if not Parser.__is_trailing_surrogate(c1):
+                    self.__error("second half of escaped surrogate pair is "
+                                 "not trailing surrogate")
+                    return
+                code_point = Parser.__utf16_decode_surrogate_pair(c0, c1)
+                inp = inp[6:]
+            else:
+                code_point = c0
+            out += unichr(code_point)
+        self.__parser_input('string', out)
+
+    def __lex_string_escape(self, c):
+        self.buffer += c
+        self.lex_state = Parser.__lex_string
+        return True
+
+    def __lex_string(self, c):
+        if c == '\\':
+            self.buffer += c
+            self.lex_state = Parser.__lex_string_escape
+        elif c == '"':
+            self.__lex_finish_string()
+        elif ord(c) >= 0x20:
+            self.buffer += c
+        else:
+            self.__error("U+%04X must be escaped in quoted string" % ord(c))
+        return True
+
+    def __lex_input(self, c):
+        eat = self.lex_state(self, c)
+        assert eat is True or eat is False
+        return eat
+
+    def __parse_start(self, token, unused_string):
+        if token == '{':
+            self.__push_object()
+        elif token == '[':
+            self.__push_array()
+        else:
+            self.__error("syntax error at beginning of input")
+
+    def __parse_end(self, unused_token, unused_string):
+        self.__error("trailing garbage at end of input")
+
+    def __parse_object_init(self, token, string):
+        if token == '}':
+            self.__parser_pop()
+        else:
+            self.__parse_object_name(token, string)
+
+    def __parse_object_name(self, token, string):
+        if token == 'string':
+            self.member_name = string
+            self.parse_state = Parser.__parse_object_colon
+        else:
+            self.__error("syntax error parsing object expecting string")
+
+    def __parse_object_colon(self, token, unused_string):
+        if token == ":":
+            self.parse_state = Parser.__parse_object_value
+        else:
+            self.__error("syntax error parsing object expecting ':'")
+
+    def __parse_object_value(self, token, string):
+        self.__parse_value(token, string, Parser.__parse_object_next)
+
+    def __parse_object_next(self, token, unused_string):
+        if token == ",":
+            self.parse_state = Parser.__parse_object_name
+        elif token == "}":
+            self.__parser_pop()
+        else:
+            self.__error("syntax error expecting '}' or ','")
+
+    def __parse_array_init(self, token, string):
+        if token == ']':
+            self.__parser_pop()
+        else:
+            self.__parse_array_value(token, string)
+
+    def __parse_array_value(self, token, string):
+        self.__parse_value(token, string, Parser.__parse_array_next)
+
+    def __parse_array_next(self, token, unused_string):
+        if token == ",":
+            self.parse_state = Parser.__parse_array_value
+        elif token == "]":
+            self.__parser_pop()
+        else:
+            self.__error("syntax error expecting ']' or ','")
+
+    def __parser_input(self, token, string=None):
+        self.lex_state = Parser.__lex_start
+        self.buffer = ""
+        self.parse_state(self, token, string)
+
+    def __put_value(self, value):
+        top = self.stack[-1]
+        if type(top) == dict:
+            top[self.member_name] = value
+        else:
+            top.append(value)
+
+    def __parser_push(self, new_json, next_state):
+        if len(self.stack) < Parser.MAX_HEIGHT:
+            if len(self.stack) > 0:
+                self.__put_value(new_json)
+            self.stack.append(new_json)
+            self.parse_state = next_state
+        else:
+            self.__error("input exceeds maximum nesting depth %d" %
+                         Parser.MAX_HEIGHT)
+
+    def __push_object(self):
+        self.__parser_push({}, Parser.__parse_object_init)
+
+    def __push_array(self):
+        self.__parser_push([], Parser.__parse_array_init)
+
+    def __parser_pop(self):
+        if len(self.stack) == 1:
+            self.parse_state = Parser.__parse_end
+            if not self.check_trailer:
+                self.done = True
+        else:
+            self.stack.pop()
+            top = self.stack[-1]
+            if type(top) == list:
+                self.parse_state = Parser.__parse_array_next
+            else:
+                self.parse_state = Parser.__parse_object_next
+
+    def __parse_value(self, token, string, next_state):
+        if token in [False, None, True] or type(token) in [int, long, float]:
+            self.__put_value(token)
+        elif token == 'string':
+            self.__put_value(string)
+        else:
+            if token == '{':
+                self.__push_object()
+            elif token == '[':
+                self.__push_array()
+            else:
+                self.__error("syntax error expecting value")
+            return
+        self.parse_state = next_state
+
+    def __error(self, message):
+        if self.error is None:
+            self.error = ("line %d, column %d, byte %d: %s"
+                          % (self.line_number, self.column_number,
+                             self.byte_number, message))
+            self.done = True
+
+    def feed(self, s):
+        i = 0
+        while True:
+            if self.done or i >= len(s):
+                return i
+
+            c = s[i]
+            if self.__lex_input(c):
+                self.byte_number += 1
+                if c == '\n':
+                    self.column_number = 0
+                    self.line_number += 1
+                else:
+                    self.column_number += 1
+
+                i += 1
+
+    def is_done(self):
+        return self.done
+
+    def finish(self):
+        if self.lex_state == Parser.__lex_start:
+            pass
+        elif self.lex_state in (Parser.__lex_string,
+                                Parser.__lex_string_escape):
+            self.__error("unexpected end of input in quoted string")
+        else:
+            self.__lex_input(" ")
+
+        if self.parse_state == Parser.__parse_start:
+            self.__error("empty input stream")
+        elif self.parse_state != Parser.__parse_end:
+            self.__error("unexpected end of input")
+
+        if self.error == None:
+            assert len(self.stack) == 1
+            return self.stack.pop()
+        else:
+            return self.error
diff -Nur a/ovs-2.5.0/ovs/json.py.rej b/ovs-2.5.0/ovs/json.py.rej
--- a/ovs-2.5.0/ovs/json.py.rej	1970-01-01 01:00:00.000000000 +0100
+++ b/ovs-2.5.0/ovs/json.py.rej	2018-11-07 17:13:36.368136478 +0100
@@ -0,0 +1,137 @@
+--- ovs/json.py
++++ ovs/json.py
+@@ -12,11 +12,13 @@
+ # See the License for the specific language governing permissions and
+ # limitations under the License.
+ 
++from __future__ import absolute_import
++import functools
++import json
+ import re
+ import sys
+ 
+ import six
+-from six.moves import range
+ 
+ try:
+     import ovs._json
+@@ -25,112 +27,24 @@
+ 
+ __pychecker__ = 'no-stringiter'
+ 
+-escapes = {ord('"'): u"\\\"",
+-           ord("\\"): u"\\\\",
+-           ord("\b"): u"\\b",
+-           ord("\f"): u"\\f",
+-           ord("\n"): u"\\n",
+-           ord("\r"): u"\\r",
+-           ord("\t"): u"\\t"}
+-for esc in range(32):
+-    if esc not in escapes:
+-        escapes[esc] = u"\\u%04x" % esc
+-
+ SPACES_PER_LEVEL = 2
+-
+-
+-class _Serializer(object):
+-    def __init__(self, stream, pretty, sort_keys):
+-        self.stream = stream
+-        self.pretty = pretty
+-        self.sort_keys = sort_keys
+-        self.depth = 0
+-
+-    def __serialize_string(self, s):
+-        self.stream.write(u'"%s"' % ''.join(escapes.get(ord(c), c) for c in s))
+-
+-    def __indent_line(self):
+-        if self.pretty:
+-            self.stream.write('\n')
+-            self.stream.write(' ' * (SPACES_PER_LEVEL * self.depth))
+-
+-    def serialize(self, obj):
+-        if obj is None:
+-            self.stream.write(u"null")
+-        elif obj is False:
+-            self.stream.write(u"false")
+-        elif obj is True:
+-            self.stream.write(u"true")
+-        elif isinstance(obj, six.integer_types):
+-            self.stream.write(u"%d" % obj)
+-        elif isinstance(obj, float):
+-            self.stream.write("%.15g" % obj)
+-        elif isinstance(obj, six.text_type):
+-            # unicode() on Python 2, or str() in Python 3 (always unicode)
+-            self.__serialize_string(obj)
+-        elif isinstance(obj, str):
+-            # This is for Python 2, where this comes out to unicode(str()).
+-            # For Python 3, it's str(str()), but it's harmless.
+-            self.__serialize_string(six.text_type(obj))
+-        elif isinstance(obj, dict):
+-            self.stream.write(u"{")
+-
+-            self.depth += 1
+-            self.__indent_line()
+-
+-            if self.sort_keys:
+-                items = sorted(obj.items())
+-            else:
+-                items = six.iteritems(obj)
+-            for i, (key, value) in enumerate(items):
+-                if i > 0:
+-                    self.stream.write(u",")
+-                    self.__indent_line()
+-                self.__serialize_string(six.text_type(key))
+-                self.stream.write(u":")
+-                if self.pretty:
+-                    self.stream.write(u' ')
+-                self.serialize(value)
+-
+-            self.stream.write(u"}")
+-            self.depth -= 1
+-        elif isinstance(obj, (list, tuple)):
+-            self.stream.write(u"[")
+-            self.depth += 1
+-
+-            if obj:
+-                self.__indent_line()
+-
+-                for i, value in enumerate(obj):
+-                    if i > 0:
+-                        self.stream.write(u",")
+-                        self.__indent_line()
+-                    self.serialize(value)
+-
+-            self.depth -= 1
+-            self.stream.write(u"]")
+-        else:
+-            raise Exception("can't serialize %s as JSON" % obj)
++dumper = functools.partial(json.dumps, separators=(",", ":"),
++                           ensure_ascii=False)
+ 
+ 
+ def to_stream(obj, stream, pretty=False, sort_keys=True):
+-    _Serializer(stream, pretty, sort_keys).serialize(obj)
++    stream.write(dumper(obj, indent=SPACES_PER_LEVEL if pretty else None,
++                        sort_keys=sort_keys))
+ 
+ 
+ def to_file(obj, name, pretty=False, sort_keys=True):
+-    stream = open(name, "w")
+-    try:
++    with open(name, "w") as stream:
+         to_stream(obj, stream, pretty, sort_keys)
+-    finally:
+-        stream.close()
+ 
+ 
+ def to_string(obj, pretty=False, sort_keys=True):
+-    output = six.StringIO()
+-    to_stream(obj, output, pretty, sort_keys)
+-    s = output.getvalue()
+-    output.close()
+-    return s
++    return dumper(obj, indent=SPACES_PER_LEVEL if pretty else None,
++                  sort_keys=sort_keys)
+ 
+ 
+ def from_stream(stream):

Places

File use-standard-json-lib.patch of Package python-ovs

Places