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How to use _import_speedups method in autotest

Best Python code snippet using autotest_python

encoder.py

Source:encoder.py

1"""Implementation of JSONEncoder2"""3import re4from decimal import Decimal5def _import_speedups():6    try:7        from simplejson import _speedups8        return _speedups.encode_basestring_ascii, _speedups.make_encoder9    except ImportError:10        return None, None11c_encode_basestring_ascii, c_make_encoder = _import_speedups()12from simplejson.decoder import PosInf13ESCAPE = re.compile(r'[\x00-\x1f\\"\b\f\n\r\t]')14ESCAPE_ASCII = re.compile(r'([\\"]|[^\ -~])')15HAS_UTF8 = re.compile(r'[\x80-\xff]')16ESCAPE_DCT = {17    '\\': '\\\\',18    '"': '\\"',19    '\b': '\\b',20    '\f': '\\f',21    '\n': '\\n',22    '\r': '\\r',23    '\t': '\\t',24}25for i in range(0x20):...

decoder.py

Source:decoder.py

...6import struct7from .tokens import *8class PBJSONDecodeError(ValueError):9    pass10def _import_speedups():11    try:12        # noinspection PyUnresolvedReferences13        from . import _speedups14        return _speedups.decode15    except (ImportError, AttributeError):16        return None17def _decode_int(content):18    accumulator = 019    length = len(content)20    offset = 021    while length >= 4:22        accumulator |= struct.unpack_from('!L', content, offset)[0]23        length -= 424        offset += 425        if length:26            if length > 4:27                accumulator <<= 3228            else:29                accumulator <<= (length * 8)30    if length == 3:31        b, h = struct.unpack_from('!BH', content, offset)32        accumulator |= ((b << 16) | h)33    elif length == 2:34        accumulator |= struct.unpack_from('!H', content, offset)[0]35    elif length == 1:36        accumulator |= struct.unpack_from('B', content, offset)[0]37    return accumulator38def _decode_float(float_class, content):39    if content:40        encoded = []41        for b in content:42            encoded.append(float_decode[b >> 4])43            encoded.append(float_decode[b & 0xf])44        if encoded and encoded[-1] == '.':45            encoded = encoded[:-1]46        encoded = ''.join(encoded)47    else:48        encoded = '0'49    return float_class(encoded)50def _decode_list(context, data, length=-1):51    result = []52    while length:53        if length < 0 and data[0] == TERMINATOR:54            return result, data[1:]55        item, data = _decode_one(context, data)56        result.append(item)57        length -= 158    return result, data59def _decode_dict(context, document_class, keys, data, length=-1):60    result = document_class()61    while length:62        if length < 0 and data[0] == TERMINATOR:63            return result, data[1:]64        key_token, data = data[0], data[1:]65        if key_token < 0x80:66            key_name, data = data[:key_token].decode(), data[key_token:]67            if len(keys) < 128:68                keys.append(key_name)69        else:70            key_name = keys[key_token & 0x7f]71        item, data = _decode_one(context, data)72        result[key_name] = item73        length -= 174    return result, data75def _decode_custom(context, data, custom):76    result, data = _decode_one(context, data)77    return custom(result), data78def _decode_one(context, data):79    """Return the Python representation of ``s`` (a ``bytes`` instance containing a Packed Binary JSON document)"""80    if data:81        first_byte, data = data[0], data[1:]82        token = first_byte & 0xe083        if not token:84            return context[first_byte](context, data)85        length = first_byte & 0xf86        if first_byte & 0x10:87            if length == 0xf:88                length, data = struct.unpack_from('!L', data, 0)[0], data[4:]89            elif length >= 8:90                length, data = ((length & 7) << 16) | struct.unpack_from('!H', data, 0)[0], data[2:]91            else:92                length, data = ((first_byte & 7) << 8) | data[0], data[1:]93        if token in {LIST, DICT}:94            return context[token](context, data, length)95        return context[token](context, data[:length]), data[length:]96def py_decoder(data, document_class=None, float_class=None, custom=None, unicode_errors='strict'):97    if isinstance(data, memoryview):98        data = data.tobytes()99    float_class = float_class or float100    document_class = document_class or dict101    keys = []102    context = {103        FALSE: lambda context, data: (False, data),104        TRUE: lambda context, data: (True, data),105        NULL: lambda context, data: (None, data),106        INF: lambda context, data: (float_class('inf'), data),107        NEGINF: lambda context, data: (float_class('-inf'), data),108        NAN: lambda context, data: (float_class('nan'), data),109        TERMINATED_LIST: _decode_list,110        INT: lambda context, data: _decode_int(data),111        NEGINT: lambda context, data: -_decode_int(data),112        FLOAT: lambda context, data: _decode_float(float_class, data),113        STRING: lambda context, data: data.decode(errors=unicode_errors),114        BINARY: lambda context, data: data,115        LIST: _decode_list,116        DICT: lambda context, data, length: _decode_dict(context, document_class, keys, data, length),117        CUSTOM: lambda context, data: _decode_custom(context, data, custom),118    }119    return _decode_one(context, data)[0]120# Use speedup if available121c_decoder = _import_speedups()...

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