Solves issue 1343. Could not locate partition after creation (#1355)

* Solves issue 1343. Could not locate partition after creation

* Added some flake fixes.

Co-authored-by: Anton Hvornum <anton@hvornum.se>

archinstall/lib/disk/partition.py

@@ -243,6 +243,68 @@ class Partition:
 
 	@property
 	def uuid(self) -> Optional[str]:
+		"""
+		Returns the UUID as returned by lsblk for the **partition**.
+		This is more reliable than relying on /dev/disk/by-uuid as
+		it doesn't seam to be able to detect md raid partitions.
+		For bind mounts all the subvolumes share the same uuid
+		"""
+		for i in range(storage['DISK_RETRY_ATTEMPTS']):
+			if not self.partprobe():
+				raise DiskError(f"Could not perform partprobe on {self.device_path}")
+
+			time.sleep(storage.get('DISK_TIMEOUTS', 1) * i)
+
+			partuuid = self._safe_uuid
+			if partuuid:
+				return partuuid
+
+		raise DiskError(f"Could not get PARTUUID for {self.path} using 'blkid -s PARTUUID -o value {self.path}'")
+
+	@property
+	def _safe_uuid(self) -> Optional[str]:
+		"""
+		A near copy of self.uuid but without any delays.
+		This function should only be used where uuid is not crucial.
+		For instance when you want to get a __repr__ of the class.
+		"""
+		if not self.partprobe():
+			if self.block_device.partition_type == 'iso9660':
+				return None
+
+			log(f"Could not reliably refresh PARTUUID of partition {self.device_path} due to partprobe error.", level=logging.DEBUG)
+
+		try:
+			return SysCommand(f'blkid -s UUID -o value {self.device_path}').decode('UTF-8').strip()
+		except SysCallError as error:
+			if self.block_device.partition_type == 'iso9660':
+				# Parent device is a Optical Disk (.iso dd'ed onto a device for instance)
+				return None
+
+			log(f"Could not get PARTUUID of partition using 'blkid -s UUID -o value {self.device_path}': {error}")
+
+	@property
+	def _safe_part_uuid(self) -> Optional[str]:
+		"""
+		A near copy of self.uuid but without any delays.
+		This function should only be used where uuid is not crucial.
+		For instance when you want to get a __repr__ of the class.
+		"""
+		if not self.partprobe():
+			if self.block_device.partition_type == 'iso9660':
+				return None
+
+			log(f"Could not reliably refresh PARTUUID of partition {self.device_path} due to partprobe error.", level=logging.DEBUG)
+
+		try:
+			return SysCommand(f'blkid -s PARTUUID -o value {self.device_path}').decode('UTF-8').strip()
+		except SysCallError as error:
+			if self.block_device.partition_type == 'iso9660':
+				# Parent device is a Optical Disk (.iso dd'ed onto a device for instance)
+				return None
+
+			log(f"Could not get PARTUUID of partition using 'blkid -s PARTUUID -o value {self.device_path}': {error}")
+
 		return self._partition_info.uuid
 
 	@property

archinstall/lib/general.py

@@ -37,7 +37,7 @@ else:
 
 		def unregister(self, fileno :int, *args :List[Any], **kwargs :Dict[str, Any]) -> None:
 			try:
-				del(self.monitoring[fileno])
+				del(self.monitoring[fileno]) # noqa: E275
 			except:
 				pass
 

archinstall/lib/plugins.py

@@ -60,7 +60,7 @@ def import_via_path(path :str, namespace :Optional[str] = None) -> ModuleType:
 		log(f"The above error was detected when loading the plugin: {path}", fg="red", level=logging.ERROR)
 
 		try:
-			del(sys.modules[namespace])
+			del(sys.modules[namespace]) # noqa: E275
 		except:
 			pass