Python google.protobuf.descriptor.FieldDescriptor.TYPE_BYTES Examples

The following are 4 code examples of google.protobuf.descriptor.FieldDescriptor.TYPE_BYTES(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module google.protobuf.descriptor.FieldDescriptor , or try the search function .
Example #1
Source File: pburl_decoder.py    From pbtk with GNU General Public License v3.0 6 votes vote down vote up 
def produce(obj, pb, sep):
    for ds, val in pb.ListFields():
        for val in (val if ds.label == ds.LABEL_REPEATED else [val]):
            
            if ds.cpp_type == ds.CPPTYPE_MESSAGE:
                origlen = len(obj)
                produce(obj, val, sep)
                obj.insert(origlen, '%dm%d' % (ds.number, len(obj) - origlen))
                continue
            
            elif ds.type == ds.TYPE_STRING:
                if sep == '!':
                    val = val.replace('*', '*2A').replace('!', '*21')
                else:
                    val = quote(val, safe='~()*!.\'')
            
            elif ds.type == ds.TYPE_BYTES:
                val = urlsafe_b64encode(val).decode('ascii').strip('=')
            
            elif ds.type == ds.TYPE_BOOL:
                val = int(val)
            
            obj.append('%d%s%s' % (ds.number, types_enc[ds.type], val))
    
    return obj
Example #2
Source File: pblite.py    From hangups with MIT License 6 votes vote down vote up 
def _decode_repeated_field(message, field, value_list):
    """Decode repeated field."""
    if field.type == FieldDescriptor.TYPE_MESSAGE:
        for value in value_list:
            decode(getattr(message, field.name).add(), value)
    else:
        try:
            for value in value_list:
                if field.type == FieldDescriptor.TYPE_BYTES:
                    value = base64.b64decode(value)
                getattr(message, field.name).append(value)
        except (ValueError, TypeError) as e:
            # ValueError: invalid enum value, negative unsigned int value, or
            # invalid base64
            # TypeError: mismatched type
            logger.warning('Message %r ignoring repeated field %s: %s',
                           message.__class__.__name__, field.name, e)
            # Ignore any values already decoded by clearing list
            message.ClearField(field.name)
Example #3
Source File: pblite.py    From hangups with MIT License 5 votes vote down vote up 
def _decode_field(message, field, value):
    """Decode optional or required field."""
    if field.type == FieldDescriptor.TYPE_MESSAGE:
        decode(getattr(message, field.name), value)
    else:
        try:
            if field.type == FieldDescriptor.TYPE_BYTES:
                value = base64.b64decode(value)
            setattr(message, field.name, value)
        except (ValueError, TypeError) as e:
            # ValueError: invalid enum value, negative unsigned int value, or
            # invalid base64
            # TypeError: mismatched type
            logger.warning('Message %r ignoring field %s: %s',
                           message.__class__.__name__, field.name, e)
Example #4
Source File: pburl_decoder.py    From pbtk with GNU General Public License v3.0 4 votes vote down vote up 
def consume(obj, pb, sep):
    while obj:
        field = obj.pop(0)
        index, type_, val = match('(\d+)(\w)(.*)', field).groups()
        type_ = types_dec[type_]
        
        if int(index) not in pb.DESCRIPTOR.fields_by_number:
            warn('Unknown index: !' + field)
            if type_ == fd.TYPE_MESSAGE:
                del obj[:int(val)]
            continue
        
        field = pb.DESCRIPTOR.fields_by_number[int(index)]
        repeated = field.label == field.LABEL_REPEATED
        field = field.name
        
        if type_ == fd.TYPE_MESSAGE:
            if not repeated:
                getattr(pb, field).SetInParent()
                consume(obj[:int(val)], getattr(pb, field), sep)
            else:
                consume(obj[:int(val)], getattr(pb, field).add(), sep)
            
            del obj[:int(val)]
            continue
        
        elif type_ == fd.TYPE_STRING:
            if sep == '!':
                val = val.replace('*21', '!').replace('*2A', '*')
            else:
                val = unquote(val)
        
        elif type_ == fd.TYPE_BYTES:
            val = urlsafe_b64decode(val + '=' * (-len(val) % 4))
        elif type_ == "base64_string":
            val = urlsafe_b64decode(val + '=' * (-len(val) % 4)).decode('utf8')
        
        elif type_ == fd.TYPE_BOOL:
            val = bool(int(val))
        
        elif type_ in (fd.TYPE_DOUBLE, fd.TYPE_FLOAT):
            val = float(val)
        else:
            val = int(val)
        
        if not repeated:
            setattr(pb, field, val)
        else:
            getattr(pb, field).append(val)