def __init__(self, encoding=None, object_hook=None, parse_float=None, parse_int=None, parse_constant=None, strict=True, object_pairs_hook=None): """ *encoding* determines the encoding used to interpret any :class:`str` objects decoded by this instance (``'utf-8'`` by default). It has no effect when decoding :class:`unicode` objects. Note that currently only encodings that are a superset of ASCII work, strings of other encodings should be passed in as :class:`unicode`. *object_hook*, if specified, will be called with the result of every JSON object decoded and its return value will be used in place of the given :class:`dict`. This can be used to provide custom deserializations (e.g. to support JSON-RPC class hinting). *object_pairs_hook* is an optional function that will be called with the result of any object literal decode with an ordered list of pairs. The return value of *object_pairs_hook* will be used instead of the :class:`dict`. This feature can be used to implement custom decoders that rely on the order that the key and value pairs are decoded (for example, :func:`collections.OrderedDict` will remember the order of insertion). If *object_hook* is also defined, the *object_pairs_hook* takes priority. *parse_float*, if specified, will be called with the string of every JSON float to be decoded. By default, this is equivalent to ``float(num_str)``. This can be used to use another datatype or parser for JSON floats (e.g. :class:`decimal.Decimal`). *parse_int*, if specified, will be called with the string of every JSON int to be decoded. By default, this is equivalent to ``int(num_str)``. This can be used to use another datatype or parser for JSON integers (e.g. :class:`float`). *parse_constant*, if specified, will be called with one of the following strings: ``'-Infinity'``, ``'Infinity'``, ``'NaN'``. This can be used to raise an exception if invalid JSON numbers are encountered. *strict* controls the parser's behavior when it encounters an invalid control character in a string. The default setting of ``True`` means that unescaped control characters are parse errors, if ``False`` then control characters will be allowed in strings. """ if encoding is None: encoding = DEFAULT_ENCODING self.encoding = encoding self.object_hook = object_hook self.object_pairs_hook = object_pairs_hook self.parse_float = parse_float or float self.parse_int = parse_int or int self.parse_constant = parse_constant or _CONSTANTS.__getitem__ self.strict = strict self.parse_object = JSONObject self.parse_array = JSONArray self.parse_string = scanstring self.memo = {} self.scan_once = make_scanner(self)
def __init__(self, encoding=None, object_hook=None, parse_float=None, parse_int=None, parse_constant=None, strict=True, object_pairs_hook=None): """ *encoding* determines the encoding used to interpret any :class:`str` objects decoded by this instance (``'utf-8'`` by default). It has no effect when decoding :class:`unicode` objects. Note that currently only encodings that are a superset of ASCII work, strings of other encodings should be passed in as :class:`unicode`. *object_hook*, if specified, will be called with the result of every JSON object decoded and its return value will be used in place of the given :class:`dict`. This can be used to provide custom deserializations (e.g. to support JSON-RPC class hinting). *object_pairs_hook* is an optional function that will be called with the result of any object literal decode with an ordered list of pairs. The return value of *object_pairs_hook* will be used instead of the :class:`dict`. This feature can be used to implement custom decoders that rely on the order that the key and value pairs are decoded (for example, :func:`collections.OrderedDict` will remember the order of insertion). If *object_hook* is also defined, the *object_pairs_hook* takes priority. *parse_float*, if specified, will be called with the string of every JSON float to be decoded. By default, this is equivalent to ``float(num_str)``. This can be used to use another datatype or parser for JSON floats (e.g. :class:`decimal.Decimal`). *parse_int*, if specified, will be called with the string of every JSON int to be decoded. By default, this is equivalent to ``int(num_str)``. This can be used to use another datatype or parser for JSON integers (e.g. :class:`float`). *parse_constant*, if specified, will be called with one of the following strings: ``'-Infinity'``, ``'Infinity'``, ``'NaN'``. This can be used to raise an exception if invalid JSON numbers are encountered. *strict* controls the parser's behavior when it encounters an invalid control character in a string. The default setting of ``True`` means that unescaped control characters are parse errors, if ``False`` then control characters will be allowed in strings. """ self.encoding = encoding self.object_hook = object_hook self.object_pairs_hook = object_pairs_hook self.parse_float = parse_float or float self.parse_int = parse_int or int self.parse_constant = parse_constant or _CONSTANTS.__getitem__ self.strict = strict self.parse_object = JSONObject self.parse_array = JSONArray self.parse_string = scanstring self.memo = {} self.scan_once = make_scanner(self)
def __init__(self, encoding=None, object_hook=None, parse_float=None, parse_int=None, parse_constant=None, strict=True): """``encoding`` determines the encoding used to interpret any ``str`` objects decoded by this instance (utf-8 by default). It has no effect when decoding ``unicode`` objects. Note that currently only encodings that are a superset of ASCII work, strings of other encodings should be passed in as ``unicode``. ``object_hook``, if specified, will be called with the result of every JSON object decoded and its return value will be used in place of the given ``dict``. This can be used to provide custom deserializations (e.g. to support JSON-RPC class hinting). ``parse_float``, if specified, will be called with the string of every JSON float to be decoded. By default this is equivalent to float(num_str). This can be used to use another datatype or parser for JSON floats (e.g. decimal.Decimal). ``parse_int``, if specified, will be called with the string of every JSON int to be decoded. By default this is equivalent to int(num_str). This can be used to use another datatype or parser for JSON integers (e.g. float). ``parse_constant``, if specified, will be called with one of the following strings: -Infinity, Infinity, NaN. This can be used to raise an exception if invalid JSON numbers are encountered. """ self.encoding = encoding self.object_hook = object_hook self.parse_float = parse_float or float self.parse_int = parse_int or int self.parse_constant = parse_constant or _CONSTANTS.__getitem__ self.strict = strict self.parse_object = JSONObject self.parse_array = JSONArray self.parse_string = scanstring self.scan_once = make_scanner(self)
def __init__( self, encoding=None, object_hook=None, parse_float=None, parse_int=None, parse_constant=None, strict=True ): """``encoding`` determines the encoding used to interpret any ``str`` objects decoded by this instance (utf-8 by default). It has no effect when decoding ``unicode`` objects. Note that currently only encodings that are a superset of ASCII work, strings of other encodings should be passed in as ``unicode``. ``object_hook``, if specified, will be called with the result of every JSON object decoded and its return value will be used in place of the given ``dict``. This can be used to provide custom deserializations (e.g. to support JSON-RPC class hinting). ``parse_float``, if specified, will be called with the string of every JSON float to be decoded. By default this is equivalent to float(num_str). This can be used to use another datatype or parser for JSON floats (e.g. decimal.Decimal). ``parse_int``, if specified, will be called with the string of every JSON int to be decoded. By default this is equivalent to int(num_str). This can be used to use another datatype or parser for JSON integers (e.g. float). ``parse_constant``, if specified, will be called with one of the following strings: -Infinity, Infinity, NaN. This can be used to raise an exception if invalid JSON numbers are encountered. """ self.encoding = encoding self.object_hook = object_hook self.parse_float = parse_float or float self.parse_int = parse_int or int self.parse_constant = parse_constant or _CONSTANTS.__getitem__ self.strict = strict self.parse_object = JSONObject self.parse_array = JSONArray self.parse_string = scanstring self.scan_once = make_scanner(self)
# -*- coding: utf-8 -*- from collections import defaultdict from itertools import izip, chain from scanner import make_scanner from lr import * lr_grammar_scanner = make_scanner( sep='=', alt='[|]', word=r"\b\w+\b", raw=r"\'\w+?\'", whitespace=r'[ \t\r\n]+', minus=r'[-]', label=r'\<.+?\>', discard_names=('whitespace',) ) def make_rules(start, grammar, kw): words = [start] labels = [] edit_rule = '@' edit_rule_commit = True next_edit_rule_commit = True kw.add(edit_rule) for tokname, tokvalue, tokpos in lr_grammar_scanner(grammar): if tokname == 'minus': next_edit_rule_commit = False if tokname == 'word' or tokname == 'raw': words.append(tokvalue) labels.append(None)
# -*- coding: utf-8 -*- from collections import defaultdict from itertools import izip, chain from scanner import make_scanner from lr import * lr_grammar_scanner = make_scanner(sep='=', alt='[|]', word=r"\b\w+\b", raw=r"\'\w+?\'", whitespace=r'[ \t\r\n]+', minus=r'[-]', label=r'\<.+?\>', discard_names=('whitespace', )) def make_rules(start, grammar, kw): words = [start] labels = [] edit_rule = '@' edit_rule_commit = True next_edit_rule_commit = True kw.add(edit_rule) for tokname, tokvalue, tokpos in lr_grammar_scanner(grammar): if tokname == 'minus': next_edit_rule_commit = False if tokname == 'word' or tokname == 'raw': words.append(tokvalue) labels.append(None) kw.add(tokvalue) elif tokname == 'alt':