Mercurial > cpython-lru_cache-weakref

annotate Lib/json/encoder.py @ 57303:4aa4c19dfaed legacy-trunk

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#1757126: fix typo with the cyrillic_asian alias
author Philip Jenvey <pjenvey@underboss.org>
date Tue, 17 Nov 2009 02:42:26 +0000
parents d95e5add3ca4
children 22aea131b6af
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 """Implementation of JSONEncoder
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2 """
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3 import re
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4
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5 try:
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6 from _json import encode_basestring_ascii as c_encode_basestring_ascii
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7 except ImportError:
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8 c_encode_basestring_ascii = None
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9 try:
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10 from _json import make_encoder as c_make_encoder
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11 except ImportError:
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12 c_make_encoder = None
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13
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14 ESCAPE = re.compile(r'[\x00-\x1f\\"\b\f\n\r\t]')
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15 ESCAPE_ASCII = re.compile(r'([\\"]|[^\ -~])')
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16 HAS_UTF8 = re.compile(r'[\x80-\xff]')
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17 ESCAPE_DCT = {
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18 '\\': '\\\\',
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19 '"': '\\"',
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20 '\b': '\\b',
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21 '\f': '\\f',
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22 '\n': '\\n',
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23 '\r': '\\r',
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24 '\t': '\\t',
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25 }
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26 for i in range(0x20):
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27 ESCAPE_DCT.setdefault(chr(i), '\\u{0:04x}'.format(i))
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28 #ESCAPE_DCT.setdefault(chr(i), '\\u%04x' % (i,))
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29
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30 # Assume this produces an infinity on all machines (probably not guaranteed)
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31 INFINITY = float('1e66666')
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32 FLOAT_REPR = repr
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33
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34 def encode_basestring(s):
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35 """Return a JSON representation of a Python string
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36
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37 """
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38 def replace(match):
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39 return ESCAPE_DCT[match.group(0)]
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40 return '"' + ESCAPE.sub(replace, s) + '"'
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41
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42
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43 def py_encode_basestring_ascii(s):
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44 """Return an ASCII-only JSON representation of a Python string
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45
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46 """
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47 if isinstance(s, str) and HAS_UTF8.search(s) is not None:
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48 s = s.decode('utf-8')
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49 def replace(match):
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50 s = match.group(0)
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51 try:
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52 return ESCAPE_DCT[s]
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53 except KeyError:
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54 n = ord(s)
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55 if n < 0x10000:
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56 return '\\u{0:04x}'.format(n)
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57 #return '\\u%04x' % (n,)
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58 else:
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59 # surrogate pair
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60 n -= 0x10000
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61 s1 = 0xd800 | ((n >> 10) & 0x3ff)
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62 s2 = 0xdc00 | (n & 0x3ff)
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63 return '\\u{0:04x}\\u{1:04x}'.format(s1, s2)
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64 #return '\\u%04x\\u%04x' % (s1, s2)
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65 return '"' + str(ESCAPE_ASCII.sub(replace, s)) + '"'
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66
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67
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68 encode_basestring_ascii = (
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69 c_encode_basestring_ascii or py_encode_basestring_ascii)
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70
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71 class JSONEncoder(object):
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72 """Extensible JSON <http://json.org> encoder for Python data structures.
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73
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74 Supports the following objects and types by default:
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75
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76 +-------------------+---------------+
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77 | Python | JSON |
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78 +===================+===============+
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79 | dict | object |
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80 +-------------------+---------------+
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81 | list, tuple | array |
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82 +-------------------+---------------+
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83 | str, unicode | string |
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84 +-------------------+---------------+
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85 | int, long, float | number |
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86 +-------------------+---------------+
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87 | True | true |
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88 +-------------------+---------------+
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89 | False | false |
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90 +-------------------+---------------+
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91 | None | null |
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92 +-------------------+---------------+
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93
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94 To extend this to recognize other objects, subclass and implement a
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95 ``.default()`` method with another method that returns a serializable
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96 object for ``o`` if possible, otherwise it should call the superclass
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97 implementation (to raise ``TypeError``).
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98
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99 """
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100 item_separator = ', '
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101 key_separator = ': '
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102 def __init__(self, skipkeys=False, ensure_ascii=True,
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103 check_circular=True, allow_nan=True, sort_keys=False,
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104 indent=None, separators=None, encoding='utf-8', default=None):
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105 """Constructor for JSONEncoder, with sensible defaults.
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106
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107 If skipkeys is false, then it is a TypeError to attempt
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108 encoding of keys that are not str, int, long, float or None. If
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109 skipkeys is True, such items are simply skipped.
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110
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111 If ensure_ascii is true, the output is guaranteed to be str
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112 objects with all incoming unicode characters escaped. If
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113 ensure_ascii is false, the output will be unicode object.
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114
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115 If check_circular is true, then lists, dicts, and custom encoded
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116 objects will be checked for circular references during encoding to
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117 prevent an infinite recursion (which would cause an OverflowError).
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118 Otherwise, no such check takes place.
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119
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120 If allow_nan is true, then NaN, Infinity, and -Infinity will be
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121 encoded as such. This behavior is not JSON specification compliant,
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122 but is consistent with most JavaScript based encoders and decoders.
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123 Otherwise, it will be a ValueError to encode such floats.
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124
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125 If sort_keys is true, then the output of dictionaries will be
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126 sorted by key; this is useful for regression tests to ensure
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127 that JSON serializations can be compared on a day-to-day basis.
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128
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129 If indent is a non-negative integer, then JSON array
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130 elements and object members will be pretty-printed with that
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131 indent level. An indent level of 0 will only insert newlines.
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132 None is the most compact representation.
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133
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134 If specified, separators should be a (item_separator, key_separator)
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135 tuple. The default is (', ', ': '). To get the most compact JSON
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136 representation you should specify (',', ':') to eliminate whitespace.
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137
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138 If specified, default is a function that gets called for objects
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139 that can't otherwise be serialized. It should return a JSON encodable
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140 version of the object or raise a ``TypeError``.
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141
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142 If encoding is not None, then all input strings will be
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143 transformed into unicode using that encoding prior to JSON-encoding.
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144 The default is UTF-8.
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145
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146 """
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147
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148 self.skipkeys = skipkeys
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149 self.ensure_ascii = ensure_ascii
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150 self.check_circular = check_circular
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151 self.allow_nan = allow_nan
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152 self.sort_keys = sort_keys
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153 self.indent = indent
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154 if separators is not None:
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155 self.item_separator, self.key_separator = separators
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156 if default is not None:
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157 self.default = default
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158 self.encoding = encoding
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159
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160 def default(self, o):
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161 """Implement this method in a subclass such that it returns
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162 a serializable object for ``o``, or calls the base implementation
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163 (to raise a ``TypeError``).
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164
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165 For example, to support arbitrary iterators, you could
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166 implement default like this::
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167
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168 def default(self, o):
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169 try:
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170 iterable = iter(o)
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171 except TypeError:
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172 pass
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173 else:
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174 return list(iterable)
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175 return JSONEncoder.default(self, o)
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176
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177 """
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178 raise TypeError(repr(o) + " is not JSON serializable")
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179
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180 def encode(self, o):
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181 """Return a JSON string representation of a Python data structure.
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182
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183 >>> JSONEncoder().encode({"foo": ["bar", "baz"]})
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184 '{"foo": ["bar", "baz"]}'
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185
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186 """
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187 # This is for extremely simple cases and benchmarks.
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188 if isinstance(o, basestring):
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189 if isinstance(o, str):
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190 _encoding = self.encoding
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191 if (_encoding is not None
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192 and not (_encoding == 'utf-8')):
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193 o = o.decode(_encoding)
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194 if self.ensure_ascii:
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195 return encode_basestring_ascii(o)
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196 else:
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197 return encode_basestring(o)
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198 # This doesn't pass the iterator directly to ''.join() because the
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199 # exceptions aren't as detailed. The list call should be roughly
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200 # equivalent to the PySequence_Fast that ''.join() would do.
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201 chunks = self.iterencode(o, _one_shot=True)
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202 if not isinstance(chunks, (list, tuple)):
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203 chunks = list(chunks)
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204 return ''.join(chunks)
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205
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206 def iterencode(self, o, _one_shot=False):
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207 """Encode the given object and yield each string
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208 representation as available.
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209
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210 For example::
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211
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212 for chunk in JSONEncoder().iterencode(bigobject):
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213 mysocket.write(chunk)
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214
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215 """
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216 if self.check_circular:
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217 markers = {}
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218 else:
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219 markers = None
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220 if self.ensure_ascii:
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221 _encoder = encode_basestring_ascii
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222 else:
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223 _encoder = encode_basestring
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224 if self.encoding != 'utf-8':
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225 def _encoder(o, _orig_encoder=_encoder, _encoding=self.encoding):
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226 if isinstance(o, str):
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227 o = o.decode(_encoding)
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228 return _orig_encoder(o)
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229
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230 def floatstr(o, allow_nan=self.allow_nan,
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231 _repr=FLOAT_REPR, _inf=INFINITY, _neginf=-INFINITY):
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232 # Check for specials. Note that this type of test is processor
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233 # and/or platform-specific, so do tests which don't depend on the
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234 # internals.
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235
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236 if o != o:
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237 text = 'NaN'
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238 elif o == _inf:
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239 text = 'Infinity'
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240 elif o == _neginf:
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241 text = '-Infinity'
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242 else:
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243 return _repr(o)
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244
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245 if not allow_nan:
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246 raise ValueError(
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247 "Out of range float values are not JSON compliant: " +
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248 repr(o))
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249
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250 return text
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251
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252
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253 if (_one_shot and c_make_encoder is not None
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254 and not self.indent and not self.sort_keys):
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255 _iterencode = c_make_encoder(
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256 markers, self.default, _encoder, self.indent,
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257 self.key_separator, self.item_separator, self.sort_keys,
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258 self.skipkeys, self.allow_nan)
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259 else:
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260 _iterencode = _make_iterencode(
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261 markers, self.default, _encoder, self.indent, floatstr,
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262 self.key_separator, self.item_separator, self.sort_keys,
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263 self.skipkeys, _one_shot)
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
264 return _iterencode(o, 0)
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
265
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
266 def _make_iterencode(markers, _default, _encoder, _indent, _floatstr,
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
267 _key_separator, _item_separator, _sort_keys, _skipkeys, _one_shot,
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
268 ## HACK: hand-optimized bytecode; turn globals into locals
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
269 False=False,
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
270 True=True,
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
271 ValueError=ValueError,
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
272 basestring=basestring,
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
273 dict=dict,
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
274 float=float,
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
275 id=id,
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
276 int=int,
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
277 isinstance=isinstance,
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
278 list=list,
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
279 long=long,
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
280 str=str,
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
281 tuple=tuple,
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
282 ):
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
283
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
284 def _iterencode_list(lst, _current_indent_level):
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
285 if not lst:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
286 yield '[]'
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
287 return
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
288 if markers is not None:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
289 markerid = id(lst)
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
290 if markerid in markers:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
291 raise ValueError("Circular reference detected")
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
292 markers[markerid] = lst
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
293 buf = '['
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
294 if _indent is not None:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
295 _current_indent_level += 1
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
296 newline_indent = '\n' + (' ' * (_indent * _current_indent_level))
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
297 separator = _item_separator + newline_indent
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
298 buf += newline_indent
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
299 else:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
300 newline_indent = None
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
301 separator = _item_separator
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
302 first = True
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
303 for value in lst:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
304 if first:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
305 first = False
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
306 else:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
307 buf = separator
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
308 if isinstance(value, basestring):
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
309 yield buf + _encoder(value)
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
310 elif value is None:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
311 yield buf + 'null'
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
312 elif value is True:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
313 yield buf + 'true'
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
314 elif value is False:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
315 yield buf + 'false'
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
316 elif isinstance(value, (int, long)):
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
317 yield buf + str(value)
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
318 elif isinstance(value, float):
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
319 yield buf + _floatstr(value)
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
320 else:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
321 yield buf
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
322 if isinstance(value, (list, tuple)):
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
323 chunks = _iterencode_list(value, _current_indent_level)
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
324 elif isinstance(value, dict):
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
325 chunks = _iterencode_dict(value, _current_indent_level)
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
326 else:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
327 chunks = _iterencode(value, _current_indent_level)
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
328 for chunk in chunks:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
329 yield chunk
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
330 if newline_indent is not None:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
331 _current_indent_level -= 1
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
332 yield '\n' + (' ' * (_indent * _current_indent_level))
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
333 yield ']'
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
334 if markers is not None:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
335 del markers[markerid]
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
336
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
337 def _iterencode_dict(dct, _current_indent_level):
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
338 if not dct:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
339 yield '{}'
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
340 return
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
341 if markers is not None:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
342 markerid = id(dct)
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
343 if markerid in markers:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
344 raise ValueError("Circular reference detected")
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
345 markers[markerid] = dct
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
346 yield '{'
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
347 if _indent is not None:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
348 _current_indent_level += 1
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
349 newline_indent = '\n' + (' ' * (_indent * _current_indent_level))
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
350 item_separator = _item_separator + newline_indent
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
351 yield newline_indent
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
352 else:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
353 newline_indent = None
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
354 item_separator = _item_separator
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
355 first = True
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
356 if _sort_keys:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
357 items = dct.items()
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
358 items.sort(key=lambda kv: kv[0])
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
359 else:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
360 items = dct.iteritems()
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
361 for key, value in items:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
362 if isinstance(key, basestring):
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
363 pass
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
364 # JavaScript is weakly typed for these, so it makes sense to
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
365 # also allow them. Many encoders seem to do something like this.
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
366 elif isinstance(key, float):
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
367 key = _floatstr(key)
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
368 elif key is True:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
369 key = 'true'
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
370 elif key is False:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
371 key = 'false'
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
372 elif key is None:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
373 key = 'null'
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
374 elif isinstance(key, (int, long)):
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
375 key = str(key)
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
376 elif _skipkeys:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
377 continue
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
378 else:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
379 raise TypeError("key " + repr(key) + " is not a string")
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
380 if first:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
381 first = False
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
382 else:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
383 yield item_separator
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
384 yield _encoder(key)
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
385 yield _key_separator
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
386 if isinstance(value, basestring):
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
387 yield _encoder(value)
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
388 elif value is None:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
389 yield 'null'
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
390 elif value is True:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
391 yield 'true'
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
392 elif value is False:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
393 yield 'false'
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
394 elif isinstance(value, (int, long)):
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
395 yield str(value)
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
396 elif isinstance(value, float):
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
397 yield _floatstr(value)
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
398 else:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
399 if isinstance(value, (list, tuple)):
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
400 chunks = _iterencode_list(value, _current_indent_level)
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
401 elif isinstance(value, dict):
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
402 chunks = _iterencode_dict(value, _current_indent_level)
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
403 else:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
404 chunks = _iterencode(value, _current_indent_level)
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
405 for chunk in chunks:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
406 yield chunk
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
407 if newline_indent is not None:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
408 _current_indent_level -= 1
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
409 yield '\n' + (' ' * (_indent * _current_indent_level))
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
410 yield '}'
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
411 if markers is not None:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
412 del markers[markerid]
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
413
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
414 def _iterencode(o, _current_indent_level):
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
415 if isinstance(o, basestring):
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
416 yield _encoder(o)
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
417 elif o is None:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
418 yield 'null'
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
419 elif o is True:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
420 yield 'true'
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
421 elif o is False:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
422 yield 'false'
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
423 elif isinstance(o, (int, long)):
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
424 yield str(o)
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
425 elif isinstance(o, float):
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
426 yield _floatstr(o)
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
427 elif isinstance(o, (list, tuple)):
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
428 for chunk in _iterencode_list(o, _current_indent_level):
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
429 yield chunk
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
430 elif isinstance(o, dict):
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
431 for chunk in _iterencode_dict(o, _current_indent_level):
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
432 yield chunk
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
433 else:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
434 if markers is not None:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
435 markerid = id(o)
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
436 if markerid in markers:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
437 raise ValueError("Circular reference detected")
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
438 markers[markerid] = o
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
439 o = _default(o)
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
440 for chunk in _iterencode(o, _current_indent_level):
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
441 yield chunk
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
442 if markers is not None:
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
443 del markers[markerid]
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
444
d95e5add3ca4 merge json library with simplejson 2.0.9 (issue 4136)
Bob Ippolito <bob@redivi.com>
parents: 46719
diff changeset
445 return _iterencode