cpython-lru_cache-weakref: Lib/json/encoder.py annotate

annotate Lib/json/encoder.py @ 84007:dbfbdf2b5c19 3.3

Fix #17967: For ftp urls CWD to target instead of hopping to each directory towards target. This fixes a bug where target is accessible, but parent directories are restricted.

author	Senthil Kumaran <senthil@uthcode.com>
date	Sat, 01 Jun 2013 08:27:06 -0700
parents	5d56e1214e95
children	406c6fd7e753

rev	line source
46737 9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	1 """Implementation of JSONEncoder
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	2 """
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	3 import re
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	4
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	5 try:
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	6 from _json import encode_basestring_ascii as c_encode_basestring_ascii
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	7 except ImportError:
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	8 c_encode_basestring_ascii = None
53667 f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	9 try:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	10 from _json import make_encoder as c_make_encoder
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	11 except ImportError:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	12 c_make_encoder = None
46737 9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	13
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	14 ESCAPE = re.compile(r'[\x00-\x1f\\"\b\f\n\r\t]')
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	15 ESCAPE_ASCII = re.compile(r'([\\"]\|[^\ -~])')
53667 f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	16 HAS_UTF8 = re.compile(b'[\x80-\xff]')
46737 9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	17 ESCAPE_DCT = {
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	18 '\\': '\\\\',
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	19 '"': '\\"',
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	20 '\b': '\\b',
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	21 '\f': '\\f',
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	22 '\n': '\\n',
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	23 '\r': '\\r',
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	24 '\t': '\\t',
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	25 }
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	26 for i in range(0x20):
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	27 ESCAPE_DCT.setdefault(chr(i), '\\u{0:04x}'.format(i))
53667 f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	28 #ESCAPE_DCT.setdefault(chr(i), '\\u%04x' % (i,))
46737 9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	29
77100 06f21c6e0f2b #14875: Use float('inf') instead of float('1e66666') in the json module. Ezio Melotti <ezio.melotti@gmail.com> parents: 69295 diff changeset	30 INFINITY = float('inf')
53667 f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	31 FLOAT_REPR = repr
46737 9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	32
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	33 def encode_basestring(s):
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	34 """Return a JSON representation of a Python string
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	35
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	36 """
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	37 def replace(match):
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	38 return ESCAPE_DCT[match.group(0)]
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	39 return '"' + ESCAPE.sub(replace, s) + '"'
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	40
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	41
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	42 def py_encode_basestring_ascii(s):
53667 f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	43 """Return an ASCII-only JSON representation of a Python string
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	44
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	45 """
46737 9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	46 def replace(match):
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	47 s = match.group(0)
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	48 try:
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	49 return ESCAPE_DCT[s]
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	50 except KeyError:
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	51 n = ord(s)
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	52 if n < 0x10000:
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	53 return '\\u{0:04x}'.format(n)
53667 f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	54 #return '\\u%04x' % (n,)
46737 9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	55 else:
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	56 # surrogate pair
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	57 n -= 0x10000
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	58 s1 = 0xd800 \| ((n >> 10) & 0x3ff)
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	59 s2 = 0xdc00 \| (n & 0x3ff)
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	60 return '\\u{0:04x}\\u{1:04x}'.format(s1, s2)
53667 f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	61 return '"' + ESCAPE_ASCII.sub(replace, s) + '"'
46737 9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	62
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	63
53667 f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	64 encode_basestring_ascii = (
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	65 c_encode_basestring_ascii or py_encode_basestring_ascii)
46737 9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	66
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	67 class JSONEncoder(object):
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	68 """Extensible JSON <http://json.org> encoder for Python data structures.
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	69
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	70 Supports the following objects and types by default:
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	71
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	72 +-------------------+---------------+
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	73 \| Python \| JSON \|
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	74 +===================+===============+
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	75 \| dict \| object \|
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	76 +-------------------+---------------+
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	77 \| list, tuple \| array \|
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	78 +-------------------+---------------+
63575 4874efd1f657 #9087: update json docstrings -- unicode and long do not exist anymore. Georg Brandl <georg@python.org> parents: 63273 diff changeset	79 \| str \| string \|
46737 9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	80 +-------------------+---------------+
63575 4874efd1f657 #9087: update json docstrings -- unicode and long do not exist anymore. Georg Brandl <georg@python.org> parents: 63273 diff changeset	81 \| int, float \| number \|
46737 9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	82 +-------------------+---------------+
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	83 \| True \| true \|
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	84 +-------------------+---------------+
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	85 \| False \| false \|
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	86 +-------------------+---------------+
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	87 \| None \| null \|
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	88 +-------------------+---------------+
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	89
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	90 To extend this to recognize other objects, subclass and implement a
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	91 ``.default()`` method with another method that returns a serializable
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	92 object for ``o`` if possible, otherwise it should call the superclass
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	93 implementation (to raise ``TypeError``).
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	94
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	95 """
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	96 item_separator = ', '
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	97 key_separator = ': '
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	98 def __init__(self, skipkeys=False, ensure_ascii=True,
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	99 check_circular=True, allow_nan=True, sort_keys=False,
53667 f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	100 indent=None, separators=None, default=None):
46737 9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	101 """Constructor for JSONEncoder, with sensible defaults.
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	102
53667 f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	103 If skipkeys is false, then it is a TypeError to attempt
63575 4874efd1f657 #9087: update json docstrings -- unicode and long do not exist anymore. Georg Brandl <georg@python.org> parents: 63273 diff changeset	104 encoding of keys that are not str, int, float or None. If
46737 9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	105 skipkeys is True, such items are simply skipped.
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	106
53667 f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	107 If ensure_ascii is true, the output is guaranteed to be str
63575 4874efd1f657 #9087: update json docstrings -- unicode and long do not exist anymore. Georg Brandl <georg@python.org> parents: 63273 diff changeset	108 objects with all incoming non-ASCII characters escaped. If
4874efd1f657 #9087: update json docstrings -- unicode and long do not exist anymore. Georg Brandl <georg@python.org> parents: 63273 diff changeset	109 ensure_ascii is false, the output can contain non-ASCII characters.
46737 9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	110
53667 f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	111 If check_circular is true, then lists, dicts, and custom encoded
46737 9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	112 objects will be checked for circular references during encoding to
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	113 prevent an infinite recursion (which would cause an OverflowError).
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	114 Otherwise, no such check takes place.
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	115
53667 f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	116 If allow_nan is true, then NaN, Infinity, and -Infinity will be
46737 9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	117 encoded as such. This behavior is not JSON specification compliant,
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	118 but is consistent with most JavaScript based encoders and decoders.
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	119 Otherwise, it will be a ValueError to encode such floats.
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	120
53667 f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	121 If sort_keys is true, then the output of dictionaries will be
46737 9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	122 sorted by key; this is useful for regression tests to ensure
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	123 that JSON serializations can be compared on a day-to-day basis.
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	124
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	125 If indent is a non-negative integer, then JSON array
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	126 elements and object members will be pretty-printed with that
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	127 indent level. An indent level of 0 will only insert newlines.
80628 2a5b183ac3cd #16333: document a way to get rid of trailing whitespace when indent is used. Ezio Melotti <ezio.melotti@gmail.com> parents: 77100 diff changeset	128 None is the most compact representation. Since the default
2a5b183ac3cd #16333: document a way to get rid of trailing whitespace when indent is used. Ezio Melotti <ezio.melotti@gmail.com> parents: 77100 diff changeset	129 item separator is ', ', the output might include trailing
2a5b183ac3cd #16333: document a way to get rid of trailing whitespace when indent is used. Ezio Melotti <ezio.melotti@gmail.com> parents: 77100 diff changeset	130 whitespace when indent is specified. You can use
2a5b183ac3cd #16333: document a way to get rid of trailing whitespace when indent is used. Ezio Melotti <ezio.melotti@gmail.com> parents: 77100 diff changeset	131 separators=(',', ': ') to avoid this.
46737 9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	132
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	133 If specified, separators should be a (item_separator, key_separator)
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	134 tuple. The default is (', ', ': '). To get the most compact JSON
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	135 representation you should specify (',', ':') to eliminate whitespace.
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	136
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	137 If specified, default is a function that gets called for objects
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	138 that can't otherwise be serialized. It should return a JSON encodable
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	139 version of the object or raise a ``TypeError``.
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	140
53667 f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	141 """
46737 9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	142
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	143 self.skipkeys = skipkeys
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	144 self.ensure_ascii = ensure_ascii
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	145 self.check_circular = check_circular
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	146 self.allow_nan = allow_nan
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	147 self.sort_keys = sort_keys
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	148 self.indent = indent
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	149 if separators is not None:
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	150 self.item_separator, self.key_separator = separators
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	151 if default is not None:
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	152 self.default = default
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	153
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	154 def default(self, o):
53667 f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	155 """Implement this method in a subclass such that it returns
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	156 a serializable object for ``o``, or calls the base implementation
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	157 (to raise a ``TypeError``).
46737 9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	158
53667 f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	159 For example, to support arbitrary iterators, you could
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	160 implement default like this::
46737 9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	161
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	162 def default(self, o):
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	163 try:
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	164 iterable = iter(o)
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	165 except TypeError:
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	166 pass
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	167 else:
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	168 return list(iterable)
82721 5d56e1214e95 #16057: Clarify why the base method default is called in custom encoders. R David Murray <rdmurray@bitdance.com> parents: 80628 diff changeset	169 # Let the base class default method raise the TypeError
46737 9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	170 return JSONEncoder.default(self, o)
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	171
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	172 """
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	173 raise TypeError(repr(o) + " is not JSON serializable")
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	174
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	175 def encode(self, o):
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	176 """Return a JSON string representation of a Python data structure.
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	177
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	178 >>> JSONEncoder().encode({"foo": ["bar", "baz"]})
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	179 '{"foo": ["bar", "baz"]}'
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	180
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	181 """
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	182 # This is for extremely simple cases and benchmarks.
53667 f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	183 if isinstance(o, str):
46737 9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	184 if self.ensure_ascii:
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	185 return encode_basestring_ascii(o)
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	186 else:
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	187 return encode_basestring(o)
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	188 # This doesn't pass the iterator directly to ''.join() because the
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	189 # exceptions aren't as detailed. The list call should be roughly
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	190 # equivalent to the PySequence_Fast that ''.join() would do.
53667 f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	191 chunks = self.iterencode(o, _one_shot=True)
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	192 if not isinstance(chunks, (list, tuple)):
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	193 chunks = list(chunks)
46737 9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	194 return ''.join(chunks)
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	195
53667 f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	196 def iterencode(self, o, _one_shot=False):
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	197 """Encode the given object and yield each string
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	198 representation as available.
46737 9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	199
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	200 For example::
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	201
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	202 for chunk in JSONEncoder().iterencode(bigobject):
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	203 mysocket.write(chunk)
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	204
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	205 """
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	206 if self.check_circular:
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	207 markers = {}
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	208 else:
9f45979558a9 Merged revisions 62734,62736,62748,62769 via svnmerge from Christian Heimes <christian@cheimes.de> parents: diff changeset	209 markers = None
53667 f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	210 if self.ensure_ascii:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	211 _encoder = encode_basestring_ascii
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	212 else:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	213 _encoder = encode_basestring
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	214
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	215 def floatstr(o, allow_nan=self.allow_nan,
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	216 _repr=FLOAT_REPR, _inf=INFINITY, _neginf=-INFINITY):
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	217 # Check for specials. Note that this type of test is processor
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	218 # and/or platform-specific, so do tests which don't depend on the
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	219 # internals.
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	220
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	221 if o != o:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	222 text = 'NaN'
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	223 elif o == _inf:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	224 text = 'Infinity'
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	225 elif o == _neginf:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	226 text = '-Infinity'
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	227 else:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	228 return _repr(o)
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	229
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	230 if not allow_nan:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	231 raise ValueError(
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	232 "Out of range float values are not JSON compliant: " +
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	233 repr(o))
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	234
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	235 return text
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	236
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	237
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	238 if (_one_shot and c_make_encoder is not None
69294 4a1048257995 #10019: Fix regression relative to 2.6: add newlines if indent=0 R David Murray <rdmurray@bitdance.com> parents: 63575 diff changeset	239 and self.indent is None):
53667 f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	240 _iterencode = c_make_encoder(
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	241 markers, self.default, _encoder, self.indent,
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	242 self.key_separator, self.item_separator, self.sort_keys,
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	243 self.skipkeys, self.allow_nan)
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	244 else:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	245 _iterencode = _make_iterencode(
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	246 markers, self.default, _encoder, self.indent, floatstr,
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	247 self.key_separator, self.item_separator, self.sort_keys,
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	248 self.skipkeys, _one_shot)
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	249 return _iterencode(o, 0)
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	250
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	251 def _make_iterencode(markers, _default, _encoder, _indent, _floatstr,
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	252 _key_separator, _item_separator, _sort_keys, _skipkeys, _one_shot,
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	253 ## HACK: hand-optimized bytecode; turn globals into locals
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	254 ValueError=ValueError,
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	255 dict=dict,
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	256 float=float,
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	257 id=id,
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	258 int=int,
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	259 isinstance=isinstance,
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	260 list=list,
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	261 str=str,
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	262 tuple=tuple,
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	263 ):
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	264
65804 94c5ad981c1b Issue #5729: json.dumps to support using '\t' as an indent string Raymond Hettinger <python@rcn.com> parents: 63575 diff changeset	265 if _indent is not None and not isinstance(_indent, str):
94c5ad981c1b Issue #5729: json.dumps to support using '\t' as an indent string Raymond Hettinger <python@rcn.com> parents: 63575 diff changeset	266 _indent = ' ' * _indent
94c5ad981c1b Issue #5729: json.dumps to support using '\t' as an indent string Raymond Hettinger <python@rcn.com> parents: 63575 diff changeset	267
53667 f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	268 def _iterencode_list(lst, _current_indent_level):
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	269 if not lst:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	270 yield '[]'
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	271 return
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	272 if markers is not None:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	273 markerid = id(lst)
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	274 if markerid in markers:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	275 raise ValueError("Circular reference detected")
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	276 markers[markerid] = lst
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	277 buf = '['
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	278 if _indent is not None:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	279 _current_indent_level += 1
65804 94c5ad981c1b Issue #5729: json.dumps to support using '\t' as an indent string Raymond Hettinger <python@rcn.com> parents: 63575 diff changeset	280 newline_indent = '\n' + _indent * _current_indent_level
53667 f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	281 separator = _item_separator + newline_indent
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	282 buf += newline_indent
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	283 else:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	284 newline_indent = None
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	285 separator = _item_separator
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	286 first = True
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	287 for value in lst:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	288 if first:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	289 first = False
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	290 else:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	291 buf = separator
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	292 if isinstance(value, str):
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	293 yield buf + _encoder(value)
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	294 elif value is None:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	295 yield buf + 'null'
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	296 elif value is True:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	297 yield buf + 'true'
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	298 elif value is False:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	299 yield buf + 'false'
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	300 elif isinstance(value, int):
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	301 yield buf + str(value)
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	302 elif isinstance(value, float):
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	303 yield buf + _floatstr(value)
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	304 else:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	305 yield buf
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	306 if isinstance(value, (list, tuple)):
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	307 chunks = _iterencode_list(value, _current_indent_level)
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	308 elif isinstance(value, dict):
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	309 chunks = _iterencode_dict(value, _current_indent_level)
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	310 else:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	311 chunks = _iterencode(value, _current_indent_level)
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	312 for chunk in chunks:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	313 yield chunk
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	314 if newline_indent is not None:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	315 _current_indent_level -= 1
65804 94c5ad981c1b Issue #5729: json.dumps to support using '\t' as an indent string Raymond Hettinger <python@rcn.com> parents: 63575 diff changeset	316 yield '\n' + _indent * _current_indent_level
53667 f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	317 yield ']'
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	318 if markers is not None:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	319 del markers[markerid]
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	320
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	321 def _iterencode_dict(dct, _current_indent_level):
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	322 if not dct:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	323 yield '{}'
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	324 return
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	325 if markers is not None:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	326 markerid = id(dct)
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	327 if markerid in markers:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	328 raise ValueError("Circular reference detected")
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	329 markers[markerid] = dct
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	330 yield '{'
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	331 if _indent is not None:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	332 _current_indent_level += 1
65804 94c5ad981c1b Issue #5729: json.dumps to support using '\t' as an indent string Raymond Hettinger <python@rcn.com> parents: 63575 diff changeset	333 newline_indent = '\n' + _indent * _current_indent_level
53667 f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	334 item_separator = _item_separator + newline_indent
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	335 yield newline_indent
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	336 else:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	337 newline_indent = None
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	338 item_separator = _item_separator
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	339 first = True
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	340 if _sort_keys:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	341 items = sorted(dct.items(), key=lambda kv: kv[0])
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	342 else:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	343 items = dct.items()
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	344 for key, value in items:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	345 if isinstance(key, str):
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	346 pass
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	347 # JavaScript is weakly typed for these, so it makes sense to
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	348 # also allow them. Many encoders seem to do something like this.
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	349 elif isinstance(key, float):
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	350 key = _floatstr(key)
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	351 elif key is True:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	352 key = 'true'
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	353 elif key is False:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	354 key = 'false'
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	355 elif key is None:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	356 key = 'null'
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	357 elif isinstance(key, int):
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	358 key = str(key)
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	359 elif _skipkeys:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	360 continue
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	361 else:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	362 raise TypeError("key " + repr(key) + " is not a string")
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	363 if first:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	364 first = False
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	365 else:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	366 yield item_separator
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	367 yield _encoder(key)
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	368 yield _key_separator
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	369 if isinstance(value, str):
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	370 yield _encoder(value)
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	371 elif value is None:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	372 yield 'null'
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	373 elif value is True:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	374 yield 'true'
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	375 elif value is False:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	376 yield 'false'
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	377 elif isinstance(value, int):
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	378 yield str(value)
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	379 elif isinstance(value, float):
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	380 yield _floatstr(value)
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	381 else:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	382 if isinstance(value, (list, tuple)):
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	383 chunks = _iterencode_list(value, _current_indent_level)
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	384 elif isinstance(value, dict):
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	385 chunks = _iterencode_dict(value, _current_indent_level)
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	386 else:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	387 chunks = _iterencode(value, _current_indent_level)
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	388 for chunk in chunks:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	389 yield chunk
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	390 if newline_indent is not None:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	391 _current_indent_level -= 1
65804 94c5ad981c1b Issue #5729: json.dumps to support using '\t' as an indent string Raymond Hettinger <python@rcn.com> parents: 63575 diff changeset	392 yield '\n' + _indent * _current_indent_level
53667 f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	393 yield '}'
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	394 if markers is not None:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	395 del markers[markerid]
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	396
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	397 def _iterencode(o, _current_indent_level):
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	398 if isinstance(o, str):
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	399 yield _encoder(o)
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	400 elif o is None:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	401 yield 'null'
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	402 elif o is True:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	403 yield 'true'
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	404 elif o is False:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	405 yield 'false'
63273 aa19a7cc1bf3 Syntax cleanup. Florent Xicluna <florent.xicluna@gmail.com> parents: 54373 diff changeset	406 elif isinstance(o, int):
53667 f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	407 yield str(o)
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	408 elif isinstance(o, float):
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	409 yield _floatstr(o)
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	410 elif isinstance(o, (list, tuple)):
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	411 for chunk in _iterencode_list(o, _current_indent_level):
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	412 yield chunk
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	413 elif isinstance(o, dict):
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	414 for chunk in _iterencode_dict(o, _current_indent_level):
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	415 yield chunk
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	416 else:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	417 if markers is not None:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	418 markerid = id(o)
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	419 if markerid in markers:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	420 raise ValueError("Circular reference detected")
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	421 markers[markerid] = o
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	422 o = _default(o)
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	423 for chunk in _iterencode(o, _current_indent_level):
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	424 yield chunk
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	425 if markers is not None:
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	426 del markers[markerid]
f686aced02a3 port simplejson upgrade from the trunk #4136 Benjamin Peterson <benjamin@python.org> parents: 46745 diff changeset	427 return _iterencode

Mercurial > cpython-lru_cache-weakref

annotate Lib/json/encoder.py @ 84007:dbfbdf2b5c19 3.3