Python google.protobuf.descriptor.FieldDescriptor.TYPE_BYTES Examples

The following are 4 code examples for showing how to use google.protobuf.descriptor.FieldDescriptor.TYPE_BYTES(). These examples are extracted from open source projects. 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.

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Example 1
Project: pbtk   Author: marin-m   File: pburl_decoder.py    License: 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
Project: hangups   Author: tdryer   File: pblite.py    License: 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
Project: hangups   Author: tdryer   File: pblite.py    License: 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
Project: pbtk   Author: marin-m   File: pburl_decoder.py    License: 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)