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00001 """autogenerated by genmsg_py from BZ2Packet.msg. Do not edit.""" 00002 import roslib.message 00003 import struct 00004 00005 00006 class BZ2Packet(roslib.message.Message): 00007 _md5sum = "37a209db6e0c11cc6c12601cdd2e4aef" 00008 _type = "bz2_transport/BZ2Packet" 00009 _has_header = False #flag to mark the presence of a Header object 00010 _full_text = """uint32 original_length 00011 uint8[] buffer 00012 00013 """ 00014 __slots__ = ['original_length','buffer'] 00015 _slot_types = ['uint32','uint8[]'] 00016 00017 def __init__(self, *args, **kwds): 00018 """ 00019 Constructor. Any message fields that are implicitly/explicitly 00020 set to None will be assigned a default value. The recommend 00021 use is keyword arguments as this is more robust to future message 00022 changes. You cannot mix in-order arguments and keyword arguments. 00023 00024 The available fields are: 00025 original_length,buffer 00026 00027 @param args: complete set of field values, in .msg order 00028 @param kwds: use keyword arguments corresponding to message field names 00029 to set specific fields. 00030 """ 00031 if args or kwds: 00032 super(BZ2Packet, self).__init__(*args, **kwds) 00033 #message fields cannot be None, assign default values for those that are 00034 if self.original_length is None: 00035 self.original_length = 0 00036 if self.buffer is None: 00037 self.buffer = '' 00038 else: 00039 self.original_length = 0 00040 self.buffer = '' 00041 00042 def _get_types(self): 00043 """ 00044 internal API method 00045 """ 00046 return self._slot_types 00047 00048 def serialize(self, buff): 00049 """ 00050 serialize message into buffer 00051 @param buff: buffer 00052 @type buff: StringIO 00053 """ 00054 try: 00055 buff.write(_struct_I.pack(self.original_length)) 00056 _x = self.buffer 00057 length = len(_x) 00058 # - if encoded as a list instead, serialize as bytes instead of string 00059 if type(_x) in [list, tuple]: 00060 buff.write(struct.pack('<I%sB'%length, length, *_x)) 00061 else: 00062 buff.write(struct.pack('<I%ss'%length, length, _x)) 00063 except struct.error as se: self._check_types(se) 00064 except TypeError as te: self._check_types(te) 00065 00066 def deserialize(self, str): 00067 """ 00068 unpack serialized message in str into this message instance 00069 @param str: byte array of serialized message 00070 @type str: str 00071 """ 00072 try: 00073 end = 0 00074 start = end 00075 end += 4 00076 (self.original_length,) = _struct_I.unpack(str[start:end]) 00077 start = end 00078 end += 4 00079 (length,) = _struct_I.unpack(str[start:end]) 00080 start = end 00081 end += length 00082 self.buffer = str[start:end] 00083 return self 00084 except struct.error as e: 00085 raise roslib.message.DeserializationError(e) #most likely buffer underfill 00086 00087 00088 def serialize_numpy(self, buff, numpy): 00089 """ 00090 serialize message with numpy array types into buffer 00091 @param buff: buffer 00092 @type buff: StringIO 00093 @param numpy: numpy python module 00094 @type numpy module 00095 """ 00096 try: 00097 buff.write(_struct_I.pack(self.original_length)) 00098 _x = self.buffer 00099 length = len(_x) 00100 # - if encoded as a list instead, serialize as bytes instead of string 00101 if type(_x) in [list, tuple]: 00102 buff.write(struct.pack('<I%sB'%length, length, *_x)) 00103 else: 00104 buff.write(struct.pack('<I%ss'%length, length, _x)) 00105 except struct.error as se: self._check_types(se) 00106 except TypeError as te: self._check_types(te) 00107 00108 def deserialize_numpy(self, str, numpy): 00109 """ 00110 unpack serialized message in str into this message instance using numpy for array types 00111 @param str: byte array of serialized message 00112 @type str: str 00113 @param numpy: numpy python module 00114 @type numpy: module 00115 """ 00116 try: 00117 end = 0 00118 start = end 00119 end += 4 00120 (self.original_length,) = _struct_I.unpack(str[start:end]) 00121 start = end 00122 end += 4 00123 (length,) = _struct_I.unpack(str[start:end]) 00124 start = end 00125 end += length 00126 self.buffer = str[start:end] 00127 return self 00128 except struct.error as e: 00129 raise roslib.message.DeserializationError(e) #most likely buffer underfill 00130 00131 _struct_I = roslib.message.struct_I