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<html><head><title>/Users/bob/src/simplejson/simplejson/__init__.py</title>
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</style></head><body onload="show_line_range()"><div class="python"><code><a class="lnum" href="#1" name="1">0001</a><span class="string">r"""</span><br />
<a class="lnum" href="#2" name="2">0002</a><span class="string">A simple, fast, extensible JSON encoder and decoder</span><br />
<a class="lnum" href="#3" name="3">0003</a><span class="string"></span><br />
<a class="lnum" href="#4" name="4">0004</a><span class="string">JSON (JavaScript Object Notation) <http://json.org> is a subset of</span><br />
<a class="lnum" href="#5" name="5">0005</a><span class="string">JavaScript syntax (ECMA-262 3rd edition) used as a lightweight data</span><br />
<a class="lnum" href="#6" name="6">0006</a><span class="string">interchange format.</span><br />
<a class="lnum" href="#7" name="7">0007</a><span class="string"></span><br />
<a class="lnum" href="#8" name="8">0008</a><span class="string">simplejson exposes an API familiar to uses of the standard library</span><br />
<a class="lnum" href="#9" name="9">0009</a><span class="string">marshal and pickle modules.</span><br />
<a class="lnum" href="#10" name="10">0010</a><span class="string"></span><br />
<a class="lnum" href="#11" name="11">0011</a><span class="string">Encoding basic Python object hierarchies::</span><br />
<a class="lnum" href="#12" name="12">0012</a><span class="string">    </span><br />
<a class="lnum" href="#13" name="13">0013</a><span class="string">    >>> import simplejson</span><br />
<a class="lnum" href="#14" name="14">0014</a><span class="string">    >>> simplejson.dumps(['foo', {'bar': ('baz', None, 1.0, 2)}])</span><br />
<a class="lnum" href="#15" name="15">0015</a><span class="string">    '["foo", {"bar": ["baz", null, 1.0, 2]}]'</span><br />
<a class="lnum" href="#16" name="16">0016</a><span class="string">    >>> print simplejson.dumps("\"foo\bar")</span><br />
<a class="lnum" href="#17" name="17">0017</a><span class="string">    "\"foo\bar"</span><br />
<a class="lnum" href="#18" name="18">0018</a><span class="string">    >>> print simplejson.dumps(u'\u1234')</span><br />
<a class="lnum" href="#19" name="19">0019</a><span class="string">    "\u1234"</span><br />
<a class="lnum" href="#20" name="20">0020</a><span class="string">    >>> print simplejson.dumps('\\')</span><br />
<a class="lnum" href="#21" name="21">0021</a><span class="string">    "\\"</span><br />
<a class="lnum" href="#22" name="22">0022</a><span class="string">    >>> print simplejson.dumps({"c": 0, "b": 0, "a": 0}, sort_keys=True)</span><br />
<a class="lnum" href="#23" name="23">0023</a><span class="string">    {"a": 0, "b": 0, "c": 0}</span><br />
<a class="lnum" href="#24" name="24">0024</a><span class="string">    >>> from StringIO import StringIO</span><br />
<a class="lnum" href="#25" name="25">0025</a><span class="string">    >>> io = StringIO()</span><br />
<a class="lnum" href="#26" name="26">0026</a><span class="string">    >>> simplejson.dump(['streaming API'], io)</span><br />
<a class="lnum" href="#27" name="27">0027</a><span class="string">    >>> io.getvalue()</span><br />
<a class="lnum" href="#28" name="28">0028</a><span class="string">    '["streaming API"]'</span><br />
<a class="lnum" href="#29" name="29">0029</a><span class="string"></span><br />
<a class="lnum" href="#30" name="30">0030</a><span class="string">Compact encoding::</span><br />
<a class="lnum" href="#31" name="31">0031</a><span class="string"></span><br />
<a class="lnum" href="#32" name="32">0032</a><span class="string">    >>> import simplejson</span><br />
<a class="lnum" href="#33" name="33">0033</a><span class="string">    >>> simplejson.dumps([1,2,3,{'4': 5, '6': 7}], separators=(',',':'))</span><br />
<a class="lnum" href="#34" name="34">0034</a><span class="string">    '[1,2,3,{"4":5,"6":7}]'</span><br />
<a class="lnum" href="#35" name="35">0035</a><span class="string"></span><br />
<a class="lnum" href="#36" name="36">0036</a><span class="string">Pretty printing::</span><br />
<a class="lnum" href="#37" name="37">0037</a><span class="string"></span><br />
<a class="lnum" href="#38" name="38">0038</a><span class="string">    >>> import simplejson</span><br />
<a class="lnum" href="#39" name="39">0039</a><span class="string">    >>> print simplejson.dumps({'4': 5, '6': 7}, sort_keys=True, indent=4)</span><br />
<a class="lnum" href="#40" name="40">0040</a><span class="string">    {</span><br />
<a class="lnum" href="#41" name="41">0041</a><span class="string">        "4": 5, </span><br />
<a class="lnum" href="#42" name="42">0042</a><span class="string">        "6": 7</span><br />
<a class="lnum" href="#43" name="43">0043</a><span class="string">    }</span><br />
<a class="lnum" href="#44" name="44">0044</a><span class="string"></span><br />
<a class="lnum" href="#45" name="45">0045</a><span class="string">Decoding JSON::</span><br />
<a class="lnum" href="#46" name="46">0046</a><span class="string">    </span><br />
<a class="lnum" href="#47" name="47">0047</a><span class="string">    >>> import simplejson</span><br />
<a class="lnum" href="#48" name="48">0048</a><span class="string">    >>> simplejson.loads('["foo", {"bar":["baz", null, 1.0, 2]}]')</span><br />
<a class="lnum" href="#49" name="49">0049</a><span class="string">    [u'foo', {u'bar': [u'baz', None, 1.0, 2]}]</span><br />
<a class="lnum" href="#50" name="50">0050</a><span class="string">    >>> simplejson.loads('"\\"foo\\bar"')</span><br />
<a class="lnum" href="#51" name="51">0051</a><span class="string">    u'"foo\x08ar'</span><br />
<a class="lnum" href="#52" name="52">0052</a><span class="string">    >>> from StringIO import StringIO</span><br />
<a class="lnum" href="#53" name="53">0053</a><span class="string">    >>> io = StringIO('["streaming API"]')</span><br />
<a class="lnum" href="#54" name="54">0054</a><span class="string">    >>> simplejson.load(io)</span><br />
<a class="lnum" href="#55" name="55">0055</a><span class="string">    [u'streaming API']</span><br />
<a class="lnum" href="#56" name="56">0056</a><span class="string"></span><br />
<a class="lnum" href="#57" name="57">0057</a><span class="string">Specializing JSON object decoding::</span><br />
<a class="lnum" href="#58" name="58">0058</a><span class="string"></span><br />
<a class="lnum" href="#59" name="59">0059</a><span class="string">    >>> import simplejson</span><br />
<a class="lnum" href="#60" name="60">0060</a><span class="string">    >>> def as_complex(dct):</span><br />
<a class="lnum" href="#61" name="61">0061</a><span class="string">    ...     if '__complex__' in dct:</span><br />
<a class="lnum" href="#62" name="62">0062</a><span class="string">    ...         return complex(dct['real'], dct['imag'])</span><br />
<a class="lnum" href="#63" name="63">0063</a><span class="string">    ...     return dct</span><br />
<a class="lnum" href="#64" name="64">0064</a><span class="string">    ... </span><br />
<a class="lnum" href="#65" name="65">0065</a><span class="string">    >>> simplejson.loads('{"__complex__": true, "real": 1, "imag": 2}',</span><br />
<a class="lnum" href="#66" name="66">0066</a><span class="string">    ...     object_hook=as_complex)</span><br />
<a class="lnum" href="#67" name="67">0067</a><span class="string">    (1+2j)</span><br />
<a class="lnum" href="#68" name="68">0068</a><span class="string"></span><br />
<a class="lnum" href="#69" name="69">0069</a><span class="string">Extending JSONEncoder::</span><br />
<a class="lnum" href="#70" name="70">0070</a><span class="string">    </span><br />
<a class="lnum" href="#71" name="71">0071</a><span class="string">    >>> import simplejson</span><br />
<a class="lnum" href="#72" name="72">0072</a><span class="string">    >>> class ComplexEncoder(simplejson.JSONEncoder):</span><br />
<a class="lnum" href="#73" name="73">0073</a><span class="string">    ...     def default(self, obj):</span><br />
<a class="lnum" href="#74" name="74">0074</a><span class="string">    ...         if isinstance(obj, complex):</span><br />
<a class="lnum" href="#75" name="75">0075</a><span class="string">    ...             return [obj.real, obj.imag]</span><br />
<a class="lnum" href="#76" name="76">0076</a><span class="string">    ...         return simplejson.JSONEncoder.default(self, obj)</span><br />
<a class="lnum" href="#77" name="77">0077</a><span class="string">    ... </span><br />
<a class="lnum" href="#78" name="78">0078</a><span class="string">    >>> dumps(2 + 1j, cls=ComplexEncoder)</span><br />
<a class="lnum" href="#79" name="79">0079</a><span class="string">    '[2.0, 1.0]'</span><br />
<a class="lnum" href="#80" name="80">0080</a><span class="string">    >>> ComplexEncoder().encode(2 + 1j)</span><br />
<a class="lnum" href="#81" name="81">0081</a><span class="string">    '[2.0, 1.0]'</span><br />
<a class="lnum" href="#82" name="82">0082</a><span class="string">    >>> list(ComplexEncoder().iterencode(2 + 1j))</span><br />
<a class="lnum" href="#83" name="83">0083</a><span class="string">    ['[', '2.0', ', ', '1.0', ']']</span><br />
<a class="lnum" href="#84" name="84">0084</a><span class="string">    </span><br />
<a class="lnum" href="#85" name="85">0085</a><span class="string"></span><br />
<a class="lnum" href="#86" name="86">0086</a><span class="string">Note that the JSON produced by this module's default settings</span><br />
<a class="lnum" href="#87" name="87">0087</a><span class="string">is a subset of YAML, so it may be used as a serializer for that as well.</span><br />
<a class="lnum" href="#88" name="88">0088</a><span class="string">"""</span><br />
<a class="lnum" href="#89" name="89">0089</a><span class="name">__version__</span> <span class="op">=</span> <span class="string">'1.7.1'</span><br />
<a class="lnum" href="#90" name="90">0090</a><span class="name">__all__</span> <span class="op">=</span> <span class="op">[</span><br />
<a class="lnum" href="#91" name="91">0091</a>    <span class="string">'dump'</span><span class="op">,</span> <span class="string">'dumps'</span><span class="op">,</span> <span class="string">'load'</span><span class="op">,</span> <span class="string">'loads'</span><span class="op">,</span><br />
<a class="lnum" href="#92" name="92">0092</a>    <span class="string">'JSONDecoder'</span><span class="op">,</span> <span class="string">'JSONEncoder'</span><span class="op">,</span><br />
<a class="lnum" href="#93" name="93">0093</a><span class="op">]</span><br />
<a class="lnum" href="#94" name="94">0094</a><br />
<a class="lnum" href="#95" name="95">0095</a><span class="keyword">from</span> <span class="name">decoder</span> <span class="keyword">import</span> <span class="name">JSONDecoder</span><br />
<a class="lnum" href="#96" name="96">0096</a><span class="keyword">from</span> <span class="name">encoder</span> <span class="keyword">import</span> <span class="name">JSONEncoder</span><br />
<a class="lnum" href="#97" name="97">0097</a><br />
<a class="lnum" href="#98" name="98">0098</a><span class="name">_default_encoder</span> <span class="op">=</span> <span class="name">JSONEncoder</span><span class="op">(</span><br />
<a class="lnum" href="#99" name="99">0099</a>    <span class="name">skipkeys</span><span class="op">=</span><span class="name">False</span><span class="op">,</span><br />
<a class="lnum" href="#100" name="100">0100</a>    <span class="name">ensure_ascii</span><span class="op">=</span><span class="name">True</span><span class="op">,</span><br />
<a class="lnum" href="#101" name="101">0101</a>    <span class="name">check_circular</span><span class="op">=</span><span class="name">True</span><span class="op">,</span><br />
<a class="lnum" href="#102" name="102">0102</a>    <span class="name">allow_nan</span><span class="op">=</span><span class="name">True</span><span class="op">,</span><br />
<a class="lnum" href="#103" name="103">0103</a>    <span class="name">indent</span><span class="op">=</span><span class="name">None</span><span class="op">,</span><br />
<a class="lnum" href="#104" name="104">0104</a>    <span class="name">separators</span><span class="op">=</span><span class="name">None</span><span class="op">,</span><br />
<a class="lnum" href="#105" name="105">0105</a>    <span class="name">encoding</span><span class="op">=</span><span class="string">'utf-8'</span><br />
<a class="lnum" href="#106" name="106">0106</a><span class="op">)</span><br />
<a class="lnum" href="#107" name="107">0107</a><br />
<a class="lnum" href="#108" name="108">0108</a><span class="keyword">def</span> <span class="name">dump</span><span class="op">(</span><span class="name">obj</span><span class="op">,</span> <span class="name">fp</span><span class="op">,</span> <span class="name">skipkeys</span><span class="op">=</span><span class="name">False</span><span class="op">,</span> <span class="name">ensure_ascii</span><span class="op">=</span><span class="name">True</span><span class="op">,</span> <span class="name">check_circular</span><span class="op">=</span><span class="name">True</span><span class="op">,</span><br />
<a class="lnum" href="#109" name="109">0109</a>        <span class="name">allow_nan</span><span class="op">=</span><span class="name">True</span><span class="op">,</span> <span class="name">cls</span><span class="op">=</span><span class="name">None</span><span class="op">,</span> <span class="name">indent</span><span class="op">=</span><span class="name">None</span><span class="op">,</span> <span class="name">separators</span><span class="op">=</span><span class="name">None</span><span class="op">,</span><br />
<a class="lnum" href="#110" name="110">0110</a>        <span class="name">encoding</span><span class="op">=</span><span class="string">'utf-8'</span><span class="op">,</span> <span class="op">**</span><span class="name">kw</span><span class="op">)</span><span class="op">:</span><br />
<a class="lnum" href="#111" name="111">0111</a>    <span class="string">"""</span><br />
<a class="lnum" href="#112" name="112">0112</a><span class="string">    Serialize ``obj`` as a JSON formatted stream to ``fp`` (a</span><br />
<a class="lnum" href="#113" name="113">0113</a><span class="string">    ``.write()``-supporting file-like object).</span><br />
<a class="lnum" href="#114" name="114">0114</a><span class="string"></span><br />
<a class="lnum" href="#115" name="115">0115</a><span class="string">    If ``skipkeys`` is ``True`` then ``dict`` keys that are not basic types</span><br />
<a class="lnum" href="#116" name="116">0116</a><span class="string">    (``str``, ``unicode``, ``int``, ``long``, ``float``, ``bool``, ``None``) </span><br />
<a class="lnum" href="#117" name="117">0117</a><span class="string">    will be skipped instead of raising a ``TypeError``.</span><br />
<a class="lnum" href="#118" name="118">0118</a><span class="string"></span><br />
<a class="lnum" href="#119" name="119">0119</a><span class="string">    If ``ensure_ascii`` is ``False``, then the some chunks written to ``fp``</span><br />
<a class="lnum" href="#120" name="120">0120</a><span class="string">    may be ``unicode`` instances, subject to normal Python ``str`` to</span><br />
<a class="lnum" href="#121" name="121">0121</a><span class="string">    ``unicode`` coercion rules. Unless ``fp.write()`` explicitly</span><br />
<a class="lnum" href="#122" name="122">0122</a><span class="string">    understands ``unicode`` (as in ``codecs.getwriter()``) this is likely</span><br />
<a class="lnum" href="#123" name="123">0123</a><span class="string">    to cause an error.</span><br />
<a class="lnum" href="#124" name="124">0124</a><span class="string"></span><br />
<a class="lnum" href="#125" name="125">0125</a><span class="string">    If ``check_circular`` is ``False``, then the circular reference check</span><br />
<a class="lnum" href="#126" name="126">0126</a><span class="string">    for container types will be skipped and a circular reference will</span><br />
<a class="lnum" href="#127" name="127">0127</a><span class="string">    result in an ``OverflowError`` (or worse).</span><br />
<a class="lnum" href="#128" name="128">0128</a><span class="string"></span><br />
<a class="lnum" href="#129" name="129">0129</a><span class="string">    If ``allow_nan`` is ``False``, then it will be a ``ValueError`` to</span><br />
<a class="lnum" href="#130" name="130">0130</a><span class="string">    serialize out of range ``float`` values (``nan``, ``inf``, ``-inf``)</span><br />
<a class="lnum" href="#131" name="131">0131</a><span class="string">    in strict compliance of the JSON specification, instead of using the</span><br />
<a class="lnum" href="#132" name="132">0132</a><span class="string">    JavaScript equivalents (``NaN``, ``Infinity``, ``-Infinity``).</span><br />
<a class="lnum" href="#133" name="133">0133</a><span class="string"></span><br />
<a class="lnum" href="#134" name="134">0134</a><span class="string">    If ``indent`` is a non-negative integer, then JSON array elements and object</span><br />
<a class="lnum" href="#135" name="135">0135</a><span class="string">    members will be pretty-printed with that indent level. An indent level</span><br />
<a class="lnum" href="#136" name="136">0136</a><span class="string">    of 0 will only insert newlines. ``None`` is the most compact representation.</span><br />
<a class="lnum" href="#137" name="137">0137</a><span class="string"></span><br />
<a class="lnum" href="#138" name="138">0138</a><span class="string">    If ``separators`` is an ``(item_separator, dict_separator)`` tuple</span><br />
<a class="lnum" href="#139" name="139">0139</a><span class="string">    then it will be used instead of the default ``(', ', ': ')`` separators.</span><br />
<a class="lnum" href="#140" name="140">0140</a><span class="string">    ``(',', ':')`` is the most compact JSON representation.</span><br />
<a class="lnum" href="#141" name="141">0141</a><span class="string"></span><br />
<a class="lnum" href="#142" name="142">0142</a><span class="string">    ``encoding`` is the character encoding for str instances, default is UTF-8.</span><br />
<a class="lnum" href="#143" name="143">0143</a><span class="string"></span><br />
<a class="lnum" href="#144" name="144">0144</a><span class="string">    To use a custom ``JSONEncoder`` subclass (e.g. one that overrides the</span><br />
<a class="lnum" href="#145" name="145">0145</a><span class="string">    ``.default()`` method to serialize additional types), specify it with</span><br />
<a class="lnum" href="#146" name="146">0146</a><span class="string">    the ``cls`` kwarg.</span><br />
<a class="lnum" href="#147" name="147">0147</a><span class="string">    """</span><br />
<a class="lnum" href="#148" name="148">0148</a>    <span class="comment"># cached encoder</span><br />
<a class="lnum" href="#149" name="149">0149</a><span class="comment"></span>    <span class="keyword">if</span> <span class="op">(</span><span class="name">skipkeys</span> <span class="keyword">is</span> <span class="name">False</span> <span class="keyword">and</span> <span class="name">ensure_ascii</span> <span class="keyword">is</span> <span class="name">True</span> <span class="keyword">and</span><br />
<a class="lnum" href="#150" name="150">0150</a>        <span class="name">check_circular</span> <span class="keyword">is</span> <span class="name">True</span> <span class="keyword">and</span> <span class="name">allow_nan</span> <span class="keyword">is</span> <span class="name">True</span> <span class="keyword">and</span><br />
<a class="lnum" href="#151" name="151">0151</a>        <span class="name">cls</span> <span class="keyword">is</span> <span class="name">None</span> <span class="keyword">and</span> <span class="name">indent</span> <span class="keyword">is</span> <span class="name">None</span> <span class="keyword">and</span> <span class="name">separators</span> <span class="keyword">is</span> <span class="name">None</span> <span class="keyword">and</span><br />
<a class="lnum" href="#152" name="152">0152</a>        <span class="name">encoding</span> <span class="op">==</span> <span class="string">'utf-8'</span> <span class="keyword">and</span> <span class="keyword">not</span> <span class="name">kw</span><span class="op">)</span><span class="op">:</span><br />
<a class="lnum" href="#153" name="153">0153</a>        <span class="name">iterable</span> <span class="op">=</span> <span class="name">_default_encoder</span><span class="op">.</span><span class="name">iterencode</span><span class="op">(</span><span class="name">obj</span><span class="op">)</span><br />
<a class="lnum" href="#154" name="154">0154</a>    <span class="keyword">else</span><span class="op">:</span><br />
<a class="lnum" href="#155" name="155">0155</a>        <span class="keyword">if</span> <span class="name">cls</span> <span class="keyword">is</span> <span class="name">None</span><span class="op">:</span><br />
<a class="lnum" href="#156" name="156">0156</a>            <span class="name">cls</span> <span class="op">=</span> <span class="name">JSONEncoder</span><br />
<a class="lnum" href="#157" name="157">0157</a>        <span class="name">iterable</span> <span class="op">=</span> <span class="name">cls</span><span class="op">(</span><span class="name">skipkeys</span><span class="op">=</span><span class="name">skipkeys</span><span class="op">,</span> <span class="name">ensure_ascii</span><span class="op">=</span><span class="name">ensure_ascii</span><span class="op">,</span><br />
<a class="lnum" href="#158" name="158">0158</a>            <span class="name">check_circular</span><span class="op">=</span><span class="name">check_circular</span><span class="op">,</span> <span class="name">allow_nan</span><span class="op">=</span><span class="name">allow_nan</span><span class="op">,</span> <span class="name">indent</span><span class="op">=</span><span class="name">indent</span><span class="op">,</span><br />
<a class="lnum" href="#159" name="159">0159</a>            <span class="name">separators</span><span class="op">=</span><span class="name">separators</span><span class="op">,</span> <span class="name">encoding</span><span class="op">=</span><span class="name">encoding</span><span class="op">,</span> <span class="op">**</span><span class="name">kw</span><span class="op">)</span><span class="op">.</span><span class="name">iterencode</span><span class="op">(</span><span class="name">obj</span><span class="op">)</span><br />
<a class="lnum" href="#160" name="160">0160</a>    <span class="comment"># could accelerate with writelines in some versions of Python, at</span><br />
<a class="lnum" href="#161" name="161">0161</a><span class="comment"></span>    <span class="comment"># a debuggability cost</span><br />
<a class="lnum" href="#162" name="162">0162</a><span class="comment"></span>    <span class="keyword">for</span> <span class="name">chunk</span> <span class="keyword">in</span> <span class="name">iterable</span><span class="op">:</span><br />
<a class="lnum" href="#163" name="163">0163</a>        <span class="name">fp</span><span class="op">.</span><span class="name">write</span><span class="op">(</span><span class="name">chunk</span><span class="op">)</span><br />
<a class="lnum" href="#164" name="164">0164</a><br />
<a class="lnum" href="#165" name="165">0165</a><br />
<a class="lnum" href="#166" name="166">0166</a><span class="keyword">def</span> <span class="name">dumps</span><span class="op">(</span><span class="name">obj</span><span class="op">,</span> <span class="name">skipkeys</span><span class="op">=</span><span class="name">False</span><span class="op">,</span> <span class="name">ensure_ascii</span><span class="op">=</span><span class="name">True</span><span class="op">,</span> <span class="name">check_circular</span><span class="op">=</span><span class="name">True</span><span class="op">,</span><br />
<a class="lnum" href="#167" name="167">0167</a>        <span class="name">allow_nan</span><span class="op">=</span><span class="name">True</span><span class="op">,</span> <span class="name">cls</span><span class="op">=</span><span class="name">None</span><span class="op">,</span> <span class="name">indent</span><span class="op">=</span><span class="name">None</span><span class="op">,</span> <span class="name">separators</span><span class="op">=</span><span class="name">None</span><span class="op">,</span><br />
<a class="lnum" href="#168" name="168">0168</a>        <span class="name">encoding</span><span class="op">=</span><span class="string">'utf-8'</span><span class="op">,</span> <span class="op">**</span><span class="name">kw</span><span class="op">)</span><span class="op">:</span><br />
<a class="lnum" href="#169" name="169">0169</a>    <span class="string">"""</span><br />
<a class="lnum" href="#170" name="170">0170</a><span class="string">    Serialize ``obj`` to a JSON formatted ``str``.</span><br />
<a class="lnum" href="#171" name="171">0171</a><span class="string"></span><br />
<a class="lnum" href="#172" name="172">0172</a><span class="string">    If ``skipkeys`` is ``True`` then ``dict`` keys that are not basic types</span><br />
<a class="lnum" href="#173" name="173">0173</a><span class="string">    (``str``, ``unicode``, ``int``, ``long``, ``float``, ``bool``, ``None``) </span><br />
<a class="lnum" href="#174" name="174">0174</a><span class="string">    will be skipped instead of raising a ``TypeError``.</span><br />
<a class="lnum" href="#175" name="175">0175</a><span class="string"></span><br />
<a class="lnum" href="#176" name="176">0176</a><span class="string">    If ``ensure_ascii`` is ``False``, then the return value will be a</span><br />
<a class="lnum" href="#177" name="177">0177</a><span class="string">    ``unicode`` instance subject to normal Python ``str`` to ``unicode``</span><br />
<a class="lnum" href="#178" name="178">0178</a><span class="string">    coercion rules instead of being escaped to an ASCII ``str``.</span><br />
<a class="lnum" href="#179" name="179">0179</a><span class="string"></span><br />
<a class="lnum" href="#180" name="180">0180</a><span class="string">    If ``check_circular`` is ``False``, then the circular reference check</span><br />
<a class="lnum" href="#181" name="181">0181</a><span class="string">    for container types will be skipped and a circular reference will</span><br />
<a class="lnum" href="#182" name="182">0182</a><span class="string">    result in an ``OverflowError`` (or worse).</span><br />
<a class="lnum" href="#183" name="183">0183</a><span class="string"></span><br />
<a class="lnum" href="#184" name="184">0184</a><span class="string">    If ``allow_nan`` is ``False``, then it will be a ``ValueError`` to</span><br />
<a class="lnum" href="#185" name="185">0185</a><span class="string">    serialize out of range ``float`` values (``nan``, ``inf``, ``-inf``) in</span><br />
<a class="lnum" href="#186" name="186">0186</a><span class="string">    strict compliance of the JSON specification, instead of using the</span><br />
<a class="lnum" href="#187" name="187">0187</a><span class="string">    JavaScript equivalents (``NaN``, ``Infinity``, ``-Infinity``).</span><br />
<a class="lnum" href="#188" name="188">0188</a><span class="string"></span><br />
<a class="lnum" href="#189" name="189">0189</a><span class="string">    If ``indent`` is a non-negative integer, then JSON array elements and</span><br />
<a class="lnum" href="#190" name="190">0190</a><span class="string">    object members will be pretty-printed with that indent level. An indent</span><br />
<a class="lnum" href="#191" name="191">0191</a><span class="string">    level of 0 will only insert newlines. ``None`` is the most compact</span><br />
<a class="lnum" href="#192" name="192">0192</a><span class="string">    representation.</span><br />
<a class="lnum" href="#193" name="193">0193</a><span class="string"></span><br />
<a class="lnum" href="#194" name="194">0194</a><span class="string">    If ``separators`` is an ``(item_separator, dict_separator)`` tuple</span><br />
<a class="lnum" href="#195" name="195">0195</a><span class="string">    then it will be used instead of the default ``(', ', ': ')`` separators.</span><br />
<a class="lnum" href="#196" name="196">0196</a><span class="string">    ``(',', ':')`` is the most compact JSON representation.</span><br />
<a class="lnum" href="#197" name="197">0197</a><span class="string"></span><br />
<a class="lnum" href="#198" name="198">0198</a><span class="string">    ``encoding`` is the character encoding for str instances, default is UTF-8.</span><br />
<a class="lnum" href="#199" name="199">0199</a><span class="string"></span><br />
<a class="lnum" href="#200" name="200">0200</a><span class="string">    To use a custom ``JSONEncoder`` subclass (e.g. one that overrides the</span><br />
<a class="lnum" href="#201" name="201">0201</a><span class="string">    ``.default()`` method to serialize additional types), specify it with</span><br />
<a class="lnum" href="#202" name="202">0202</a><span class="string">    the ``cls`` kwarg.</span><br />
<a class="lnum" href="#203" name="203">0203</a><span class="string">    """</span><br />
<a class="lnum" href="#204" name="204">0204</a>    <span class="comment"># cached encoder</span><br />
<a class="lnum" href="#205" name="205">0205</a><span class="comment"></span>    <span class="keyword">if</span> <span class="op">(</span><span class="name">skipkeys</span> <span class="keyword">is</span> <span class="name">False</span> <span class="keyword">and</span> <span class="name">ensure_ascii</span> <span class="keyword">is</span> <span class="name">True</span> <span class="keyword">and</span><br />
<a class="lnum" href="#206" name="206">0206</a>        <span class="name">check_circular</span> <span class="keyword">is</span> <span class="name">True</span> <span class="keyword">and</span> <span class="name">allow_nan</span> <span class="keyword">is</span> <span class="name">True</span> <span class="keyword">and</span><br />
<a class="lnum" href="#207" name="207">0207</a>        <span class="name">cls</span> <span class="keyword">is</span> <span class="name">None</span> <span class="keyword">and</span> <span class="name">indent</span> <span class="keyword">is</span> <span class="name">None</span> <span class="keyword">and</span> <span class="name">separators</span> <span class="keyword">is</span> <span class="name">None</span> <span class="keyword">and</span><br />
<a class="lnum" href="#208" name="208">0208</a>        <span class="name">encoding</span> <span class="op">==</span> <span class="string">'utf-8'</span> <span class="keyword">and</span> <span class="keyword">not</span> <span class="name">kw</span><span class="op">)</span><span class="op">:</span><br />
<a class="lnum" href="#209" name="209">0209</a>        <span class="keyword">return</span> <span class="name">_default_encoder</span><span class="op">.</span><span class="name">encode</span><span class="op">(</span><span class="name">obj</span><span class="op">)</span><br />
<a class="lnum" href="#210" name="210">0210</a>    <span class="keyword">if</span> <span class="name">cls</span> <span class="keyword">is</span> <span class="name">None</span><span class="op">:</span><br />
<a class="lnum" href="#211" name="211">0211</a>        <span class="name">cls</span> <span class="op">=</span> <span class="name">JSONEncoder</span><br />
<a class="lnum" href="#212" name="212">0212</a>    <span class="keyword">return</span> <span class="name">cls</span><span class="op">(</span><br />
<a class="lnum" href="#213" name="213">0213</a>        <span class="name">skipkeys</span><span class="op">=</span><span class="name">skipkeys</span><span class="op">,</span> <span class="name">ensure_ascii</span><span class="op">=</span><span class="name">ensure_ascii</span><span class="op">,</span><br />
<a class="lnum" href="#214" name="214">0214</a>        <span class="name">check_circular</span><span class="op">=</span><span class="name">check_circular</span><span class="op">,</span> <span class="name">allow_nan</span><span class="op">=</span><span class="name">allow_nan</span><span class="op">,</span> <span class="name">indent</span><span class="op">=</span><span class="name">indent</span><span class="op">,</span><br />
<a class="lnum" href="#215" name="215">0215</a>        <span class="name">separators</span><span class="op">=</span><span class="name">separators</span><span class="op">,</span> <span class="name">encoding</span><span class="op">=</span><span class="name">encoding</span><span class="op">,</span><br />
<a class="lnum" href="#216" name="216">0216</a>        <span class="op">**</span><span class="name">kw</span><span class="op">)</span><span class="op">.</span><span class="name">encode</span><span class="op">(</span><span class="name">obj</span><span class="op">)</span><br />
<a class="lnum" href="#217" name="217">0217</a><br />
<a class="lnum" href="#218" name="218">0218</a><span class="name">_default_decoder</span> <span class="op">=</span> <span class="name">JSONDecoder</span><span class="op">(</span><span class="name">encoding</span><span class="op">=</span><span class="name">None</span><span class="op">,</span> <span class="name">object_hook</span><span class="op">=</span><span class="name">None</span><span class="op">)</span><br />
<a class="lnum" href="#219" name="219">0219</a><br />
<a class="lnum" href="#220" name="220">0220</a><span class="keyword">def</span> <span class="name">load</span><span class="op">(</span><span class="name">fp</span><span class="op">,</span> <span class="name">encoding</span><span class="op">=</span><span class="name">None</span><span class="op">,</span> <span class="name">cls</span><span class="op">=</span><span class="name">None</span><span class="op">,</span> <span class="name">object_hook</span><span class="op">=</span><span class="name">None</span><span class="op">,</span> <span class="op">**</span><span class="name">kw</span><span class="op">)</span><span class="op">:</span><br />
<a class="lnum" href="#221" name="221">0221</a>    <span class="string">"""</span><br />
<a class="lnum" href="#222" name="222">0222</a><span class="string">    Deserialize ``fp`` (a ``.read()``-supporting file-like object containing</span><br />
<a class="lnum" href="#223" name="223">0223</a><span class="string">    a JSON document) to a Python object.</span><br />
<a class="lnum" href="#224" name="224">0224</a><span class="string"></span><br />
<a class="lnum" href="#225" name="225">0225</a><span class="string">    If the contents of ``fp`` is encoded with an ASCII based encoding other</span><br />
<a class="lnum" href="#226" name="226">0226</a><span class="string">    than utf-8 (e.g. latin-1), then an appropriate ``encoding`` name must</span><br />
<a class="lnum" href="#227" name="227">0227</a><span class="string">    be specified. Encodings that are not ASCII based (such as UCS-2) are</span><br />
<a class="lnum" href="#228" name="228">0228</a><span class="string">    not allowed, and should be wrapped with</span><br />
<a class="lnum" href="#229" name="229">0229</a><span class="string">    ``codecs.getreader(fp)(encoding)``, or simply decoded to a ``unicode``</span><br />
<a class="lnum" href="#230" name="230">0230</a><span class="string">    object and passed to ``loads()``</span><br />
<a class="lnum" href="#231" name="231">0231</a><span class="string"></span><br />
<a class="lnum" href="#232" name="232">0232</a><span class="string">    ``object_hook`` is an optional function that will be called with the</span><br />
<a class="lnum" href="#233" name="233">0233</a><span class="string">    result of any object literal decode (a ``dict``). The return value of</span><br />
<a class="lnum" href="#234" name="234">0234</a><span class="string">    ``object_hook`` will be used instead of the ``dict``. This feature</span><br />
<a class="lnum" href="#235" name="235">0235</a><span class="string">    can be used to implement custom decoders (e.g. JSON-RPC class hinting).</span><br />
<a class="lnum" href="#236" name="236">0236</a><span class="string">    </span><br />
<a class="lnum" href="#237" name="237">0237</a><span class="string">    To use a custom ``JSONDecoder`` subclass, specify it with the ``cls``</span><br />
<a class="lnum" href="#238" name="238">0238</a><span class="string">    kwarg.</span><br />
<a class="lnum" href="#239" name="239">0239</a><span class="string">    """</span><br />
<a class="lnum" href="#240" name="240">0240</a>    <span class="keyword">return</span> <span class="name">loads</span><span class="op">(</span><span class="name">fp</span><span class="op">.</span><span class="name">read</span><span class="op">(</span><span class="op">)</span><span class="op">,</span><br />
<a class="lnum" href="#241" name="241">0241</a>        <span class="name">encoding</span><span class="op">=</span><span class="name">encoding</span><span class="op">,</span> <span class="name">cls</span><span class="op">=</span><span class="name">cls</span><span class="op">,</span> <span class="name">object_hook</span><span class="op">=</span><span class="name">object_hook</span><span class="op">,</span> <span class="op">**</span><span class="name">kw</span><span class="op">)</span><br />
<a class="lnum" href="#242" name="242">0242</a><br />
<a class="lnum" href="#243" name="243">0243</a><span class="keyword">def</span> <span class="name">loads</span><span class="op">(</span><span class="name">s</span><span class="op">,</span> <span class="name">encoding</span><span class="op">=</span><span class="name">None</span><span class="op">,</span> <span class="name">cls</span><span class="op">=</span><span class="name">None</span><span class="op">,</span> <span class="name">object_hook</span><span class="op">=</span><span class="name">None</span><span class="op">,</span> <span class="op">**</span><span class="name">kw</span><span class="op">)</span><span class="op">:</span><br />
<a class="lnum" href="#244" name="244">0244</a>    <span class="string">"""</span><br />
<a class="lnum" href="#245" name="245">0245</a><span class="string">    Deserialize ``s`` (a ``str`` or ``unicode`` instance containing a JSON</span><br />
<a class="lnum" href="#246" name="246">0246</a><span class="string">    document) to a Python object.</span><br />
<a class="lnum" href="#247" name="247">0247</a><span class="string"></span><br />
<a class="lnum" href="#248" name="248">0248</a><span class="string">    If ``s`` is a ``str`` instance and is encoded with an ASCII based encoding</span><br />
<a class="lnum" href="#249" name="249">0249</a><span class="string">    other than utf-8 (e.g. latin-1) then an appropriate ``encoding`` name</span><br />
<a class="lnum" href="#250" name="250">0250</a><span class="string">    must be specified. Encodings that are not ASCII based (such as UCS-2)</span><br />
<a class="lnum" href="#251" name="251">0251</a><span class="string">    are not allowed and should be decoded to ``unicode`` first.</span><br />
<a class="lnum" href="#252" name="252">0252</a><span class="string"></span><br />
<a class="lnum" href="#253" name="253">0253</a><span class="string">    ``object_hook`` is an optional function that will be called with the</span><br />
<a class="lnum" href="#254" name="254">0254</a><span class="string">    result of any object literal decode (a ``dict``). The return value of</span><br />
<a class="lnum" href="#255" name="255">0255</a><span class="string">    ``object_hook`` will be used instead of the ``dict``. This feature</span><br />
<a class="lnum" href="#256" name="256">0256</a><span class="string">    can be used to implement custom decoders (e.g. JSON-RPC class hinting).</span><br />
<a class="lnum" href="#257" name="257">0257</a><span class="string"></span><br />
<a class="lnum" href="#258" name="258">0258</a><span class="string">    To use a custom ``JSONDecoder`` subclass, specify it with the ``cls``</span><br />
<a class="lnum" href="#259" name="259">0259</a><span class="string">    kwarg.</span><br />
<a class="lnum" href="#260" name="260">0260</a><span class="string">    """</span><br />
<a class="lnum" href="#261" name="261">0261</a>    <span class="keyword">if</span> <span class="name">cls</span> <span class="keyword">is</span> <span class="name">None</span> <span class="keyword">and</span> <span class="name">encoding</span> <span class="keyword">is</span> <span class="name">None</span> <span class="keyword">and</span> <span class="name">object_hook</span> <span class="keyword">is</span> <span class="name">None</span> <span class="keyword">and</span> <span class="keyword">not</span> <span class="name">kw</span><span class="op">:</span><br />
<a class="lnum" href="#262" name="262">0262</a>        <span class="keyword">return</span> <span class="name">_default_decoder</span><span class="op">.</span><span class="name">decode</span><span class="op">(</span><span class="name">s</span><span class="op">)</span><br />
<a class="lnum" href="#263" name="263">0263</a>    <span class="keyword">if</span> <span class="name">cls</span> <span class="keyword">is</span> <span class="name">None</span><span class="op">:</span><br />
<a class="lnum" href="#264" name="264">0264</a>        <span class="name">cls</span> <span class="op">=</span> <span class="name">JSONDecoder</span><br />
<a class="lnum" href="#265" name="265">0265</a>    <span class="keyword">if</span> <span class="name">object_hook</span> <span class="keyword">is</span> <span class="keyword">not</span> <span class="name">None</span><span class="op">:</span><br />
<a class="lnum" href="#266" name="266">0266</a>        <span class="name">kw</span><span class="op">[</span><span class="string">'object_hook'</span><span class="op">]</span> <span class="op">=</span> <span class="name">object_hook</span><br />
<a class="lnum" href="#267" name="267">0267</a>    <span class="keyword">return</span> <span class="name">cls</span><span class="op">(</span><span class="name">encoding</span><span class="op">=</span><span class="name">encoding</span><span class="op">,</span> <span class="op">**</span><span class="name">kw</span><span class="op">)</span><span class="op">.</span><span class="name">decode</span><span class="op">(</span><span class="name">s</span><span class="op">)</span><br />
<a class="lnum" href="#268" name="268">0268</a><br />
<a class="lnum" href="#269" name="269">0269</a><span class="keyword">def</span> <span class="name">read</span><span class="op">(</span><span class="name">s</span><span class="op">)</span><span class="op">:</span><br />
<a class="lnum" href="#270" name="270">0270</a>    <span class="string">"""</span><br />
<a class="lnum" href="#271" name="271">0271</a><span class="string">    json-py API compatibility hook. Use loads(s) instead.</span><br />
<a class="lnum" href="#272" name="272">0272</a><span class="string">    """</span><br />
<a class="lnum" href="#273" name="273">0273</a>    <span class="keyword">import</span> <span class="name">warnings</span><br />
<a class="lnum" href="#274" name="274">0274</a>    <span class="name">warnings</span><span class="op">.</span><span class="name">warn</span><span class="op">(</span><span class="string">"simplejson.loads(s) should be used instead of read(s)"</span><span class="op">,</span><br />
<a class="lnum" href="#275" name="275">0275</a>        <span class="name">DeprecationWarning</span><span class="op">)</span><br />
<a class="lnum" href="#276" name="276">0276</a>    <span class="keyword">return</span> <span class="name">loads</span><span class="op">(</span><span class="name">s</span><span class="op">)</span><br />
<a class="lnum" href="#277" name="277">0277</a><br />
<a class="lnum" href="#278" name="278">0278</a><span class="keyword">def</span> <span class="name">write</span><span class="op">(</span><span class="name">obj</span><span class="op">)</span><span class="op">:</span><br />
<a class="lnum" href="#279" name="279">0279</a>    <span class="string">"""</span><br />
<a class="lnum" href="#280" name="280">0280</a><span class="string">    json-py API compatibility hook. Use dumps(s) instead.</span><br />
<a class="lnum" href="#281" name="281">0281</a><span class="string">    """</span><br />
<a class="lnum" href="#282" name="282">0282</a>    <span class="keyword">import</span> <span class="name">warnings</span><br />
<a class="lnum" href="#283" name="283">0283</a>    <span class="name">warnings</span><span class="op">.</span><span class="name">warn</span><span class="op">(</span><span class="string">"simplejson.dumps(s) should be used instead of write(s)"</span><span class="op">,</span><br />
<a class="lnum" href="#284" name="284">0284</a>        <span class="name">DeprecationWarning</span><span class="op">)</span><br />
<a class="lnum" href="#285" name="285">0285</a>    <span class="keyword">return</span> <span class="name">dumps</span><span class="op">(</span><span class="name">obj</span><span class="op">)</span></code></div></body></html>
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