Merge pull request #71 from Heidistein/patch-1

Do not fail if 'total data bytes written' is zero

pySMART/interface/nvme.py

@@ -583,16 +583,26 @@ def parse(self, data: Iterator[str]) -> None:
                             self.percentageUsed = int(value[:-1])
                         elif name == 'Data Units Read':
                             # Format: 1,234,567 [2.00 TB]
-                            self.dataUnitsRead = int(
-                                value.split(' ')[0].replace(',', '').replace('.', '').replace('’', ''))
-                            self.bytesRead = humanfriendly.parse_size(
-                                value.split(' ', 1)[1][1:-1].replace(',', '.'))
+                            # Or    : 0
+                            if value.isdigit():
+                                self.dataUnitsRead = int(value)
+                                self.bytesRead = int(value)
+                            else:
+                                self.dataUnitsRead = int(
+                                    value.split(' ')[0].replace(',', '').replace('.', '').replace('’', ''))
+                                self.bytesRead = humanfriendly.parse_size(
+                                    value.split(' ', 1)[1][1:-1].replace(',', '.'))
                         elif name == 'Data Units Written':
                             # Format: 1,234,567 [2.00 TB]
-                            self.dataUnitsWritten = int(
-                                value.split(' ')[0].replace(',', '').replace('.', '').replace('’', ''))
-                            self.bytesWritten = humanfriendly.parse_size(
-                                value.split(' ', 1)[1][1:-1].replace(',', '.'))
+                            # Or    : 0
+                            if value.isdigit():
+                                self.dataUnitsWritten = int(value)
+                                self.bytesWritten = int(value)
+                            else:
+                                self.dataUnitsWritten = int(
+                                    value.split(' ')[0].replace(',', '').replace('.', '').replace('’', ''))
+                                self.bytesWritten = humanfriendly.parse_size(
+                                    value.split(' ', 1)[1][1:-1].replace(',', '.'))
                         elif name == 'Host Read Commands':
                             self.hostReadCommands = int(
                                 value.replace(',', '').replace('.', '').replace('’', ''))

tests/dataset/singletests/nvme_8/_-d_nvme_--all__dev_nvme0n1

@@ -0,0 +1,64 @@
+smartctl 7.3 2022-02-28 r5338 [x86_64-linux-5.15.103] (local build)
+Copyright (C) 2002-22, Bruce Allen, Christian Franke, www.smartmontools.org
+
+=== START OF INFORMATION SECTION ===
+Model Number:                       WDS200T1X0E-00AFY0
+Serial Number:                      XXXXXXXXXXXX
+Firmware Version:                   614600WD
+PCI Vendor/Subsystem ID:            0x15b7
+IEEE OUI Identifier:                0x001b44
+Total NVM Capacity:                 2’000’398’934’016 [2.00 TB]
+Unallocated NVM Capacity:           0
+Controller ID:                      8224
+NVMe Version:                       1.4
+Number of Namespaces:               1
+Namespace 1 Size/Capacity:          2’000’398’934’016 [2.00 TB]
+Namespace 1 Formatted LBA Size:     512
+Namespace 1 IEEE EUI-64:            001b44 8b451ffb99
+Local Time is:                      Thu Mar 23 21:15:53 2023 CET
+Firmware Updates (0x14):            2 Slots, no Reset required
+Optional Admin Commands (0x0017):   Security Format Frmw_DL Self_Test
+Optional NVM Commands (0x005f):     Comp Wr_Unc DS_Mngmt Wr_Zero Sav/Sel_Feat Timestmp
+Log Page Attributes (0x1e):         Cmd_Eff_Lg Ext_Get_Lg Telmtry_Lg Pers_Ev_Lg
+Maximum Data Transfer Size:         128 Pages
+Warning  Comp. Temp. Threshold:     84 Celsius
+Critical Comp. Temp. Threshold:     88 Celsius
+Namespace 1 Features (0x02):        NA_Fields
+
+Supported Power States
+St Op     Max   Active     Idle   RL RT WL WT  Ent_Lat  Ex_Lat
+ 0 +     9.00W    9.00W       -    0  0  0  0        0       0
+ 1 +     4.10W    4.10W       -    0  0  0  0        0       0
+ 2 +     3.50W    3.50W       -    0  0  0  0        0       0
+ 3 -   0.0250W       -        -    3  3  3  3     5000   10000
+ 4 -   0.0050W       -        -    4  4  4  4     3900   45700
+
+Supported LBA Sizes (NSID 0x1)
+Id Fmt  Data  Metadt  Rel_Perf
+ 0 +     512       0         2
+ 1 -    4096       0         1
+
+=== START OF SMART DATA SECTION ===
+SMART overall-health self-assessment test result: PASSED
+
+SMART/Health Information (NVMe Log 0x02)
+Critical Warning:                   0x00
+Temperature:                        44 Celsius
+Available Spare:                    100%
+Available Spare Threshold:          10%
+Percentage Used:                    0%
+Data Units Read:                    0
+Data Units Written:                 0
+Host Read Commands:                 0
+Host Write Commands:                0
+Controller Busy Time:               403
+Power Cycles:                       25
+Power On Hours:                     3’457
+Unsafe Shutdowns:                   10
+Media and Data Integrity Errors:    0
+Error Information Log Entries:      0
+Warning  Comp. Temperature Time:    0
+Critical Comp. Temperature Time:    0
+
+Error Information (NVMe Log 0x01, 16 of 256 entries)
+No Errors Logged