uuid is now properly parsed

pylas/headers/rawheader.py

@@ -2,6 +2,7 @@
 import datetime
 import enum
 import logging
+import uuid
 
 from .. import compression
 from .. import errors
@@ -50,10 +51,7 @@ class RawHeader1_1(ctypes.LittleEndianStructure):
         ("file_signature", ctypes.c_char * 4),
         ("file_source_id", ctypes.c_uint16),
         ("global_encoding", GlobalEncoding),
-        ("guid_data_1", ctypes.c_uint32),
-        ("guid_data_2", ctypes.c_uint16),
-        ("guid_data_3", ctypes.c_uint16),
-        ("guid_data_4", ctypes.c_uint8 * 8),
+        ("uuid_bytes", ctypes.c_ubyte * 16),
         ("version_major", ctypes.c_uint8),
         ("version_minor", ctypes.c_uint8),
         ("system_identifier", ctypes.c_char * 32),
@@ -161,6 +159,14 @@ def point_size(self):
     def point_size(self, value):
         self.point_data_record_length = value
 
+    @property
+    def uuid(self):
+        return uuid.UUID(bytes_le=bytes(self.uuid_bytes))
+
+    @uuid.setter
+    def uuid(self, new_uuid):
+        self.uuid_bytes = (ctypes.c_ubyte * 16)(*new_uuid.bytes_le)
+
     @property
     def are_points_compressed(self):
         return compression.is_point_format_compressed(self._point_data_format_id)

pylastests/test_header.py

@@ -47,6 +47,7 @@ def test_nb_points_return_1_4():
 
 def test_header_copy():
     import copy
+
     las = pylas.read(test_common.simple_las)
     header_copy = copy.copy(las.header)
 
@@ -56,3 +57,13 @@ def test_header_copy():
     header_copy.point_format_id = 0
     assert header_copy.point_format_id != las.header.point_format_id
     assert header_copy.version == las.header.version
+
+
+def test_set_uuid():
+    import uuid
+
+    las = pylas.read(test_common.simple_las)
+    u = uuid.uuid4()
+    las.header.uuid = u
+    las = test_common.write_then_read_again(las)
+    assert las.header.uuid == u