[Bug] Start Time unavailable if HA restarted during print in Lan Mode #972
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Unfortunately, the printer doesn't tell us the print start time. In cloud mode we back fill that with the bambu rest API. Or failing that we record it when the print starts. But if you restart the integration that information is lost. So right now this is by design due to those limitations. With the new FTP support we might be able to get it from the timestamp of the 3mf file although that probably won't handle reprints from existing files. I can now save extra data into the configuration data for the instance much more easily so I can probably persist the start time into there so as long as the print start for the current print (need to match somehow) it can be restored on integration reboot. |
AdrianGarside
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Home Assistant Version
2025.2.2
Bambu Lab Integration Version
V2.1.0
Describe the bug
If Home Assistant is restarted during a print, sensor.ZZZ_start_time will become unavailable.
Manually setting the state via Developer Tools will temporarily update it but seconds later it'll revert back to "unavailable"
To Reproduce
Expected Behaviour
Entity will retain start time information upon reboot
What device are you using?
P1S
Diagnostic Output
{ "home_assistant": { "installation_type": "Home Assistant OS", "version": "2025.2.2", "dev": false, "hassio": true, "virtualenv": false, "python_version": "3.13.1", "docker": true, "arch": "aarch64", "timezone": "America/Los_Angeles", "os_name": "Linux", "os_version": "6.6.62-haos-raspi", "supervisor": "2025.02.0", "host_os": "Home Assistant OS 14.2", "docker_version": "27.2.0", "chassis": "embedded", "run_as_root": true }, "custom_components": { "smartthinq_sensors": { "documentation": "https://github.com/ollo69/ha-smartthinq-sensors", "version": "0.41.1", "requirements": [ "pycountry>=23.12.11", "xmltodict>=0.13.0", "charset_normalizer>=3.2.0" ] }, "presence_simulation": { "documentation": "https://github.com/slashback100/presence_simulation", "version": "4.12", "requirements": [] }, "hacs": { "documentation": "https://hacs.xyz/docs/use/", "version": "2.0.5", "requirements": [ "aiogithubapi>=22.10.1" ] }, "spotcast": { "documentation": "https://github.com/fondberg/spotcast", "version": "v4.0.0", "requirements": [ "spotipy==2.23.0" ] }, "bambu_lab": { "documentation": "https://github.com/greghesp/ha-bambulab", "version": "2.1.0", "requirements": [ "cloudscraper" ] }, "nest_protect": { "documentation": "https://github.com/imicknl/ha-nest-protect", "version": "0.4.0", "requirements": [] }, "dyson_local": { "documentation": "https://github.com/libdyson-wg/ha-dyson", "version": "1.4.2", "requirements": [] }, "fontawesome": { "documentation": "https://github.com/thomasloven/hass-fontawesome", "version": "2.2.1", "requirements": [] } }, "integration_manifest": { "domain": "bambu_lab", "name": "Bambu Lab", "codeowners": [ "greghesp", "AdrianGarside" ], "config_flow": true, "dependencies": [ "device_automation", "http", "websocket_api", "ffmpeg", "mqtt", "frontend", "lovelace" ], "documentation": "https://github.com/greghesp/ha-bambulab", "iot_class": "local_push", "issue_tracker": "https://github.com/greghesp/ha-bambulab/issues", "requirements": [ "cloudscraper" 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0.019999999552965164, "n": 1, "cali_idx": -1, "tag_uid": "7A52A0DC00000100", "tray_id_name": "A00-K0", "tray_info_idx": "GFA00", "tray_type": "PLA", "tray_sub_brands": "PLA Basic", "tray_color": "000000FF", "tray_weight": "1000", "tray_diameter": "1.75", "tray_temp": "55", "tray_time": "8", "bed_temp_type": "0", "bed_temp": "0", "nozzle_temp_max": "230", "nozzle_temp_min": "190", "xcam_info": "803E803EE803E803CDCC4C3F", "tray_uuid": "AF339A8DA3E74781AD31D5D6FD565DCA", "ctype": 0, "cols": [ "000000FF" ] }, { "id": "1", "remain": -1, "k": 0.019999999552965164, "n": 1, "cali_idx": -1, "tag_uid": "E4347DD000000100", "tray_id_name": "A00-W1", "tray_info_idx": "GFA00", "tray_type": "PLA", "tray_sub_brands": "PLA Basic", "tray_color": "FFFFFFFF", "tray_weight": "1000", "tray_diameter": "1.75", "tray_temp": "55", "tray_time": "8", "bed_temp_type": "0", "bed_temp": "0", "nozzle_temp_max": "230", "nozzle_temp_min": "190", "xcam_info": "34218813F401E8030000003F", "tray_uuid": 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"sequence_id": "54839" }, "get_version": { "command": "get_version", "sequence_id": "0", "module": [ { "name": "ota", "project_name": "C12", "sw_ver": "01.07.00.00", "hw_ver": "OTA", "sn": "**REDACTED**", "flag": 3 }, { "name": "esp32", "project_name": "C12", "sw_ver": "01.11.32.89", "hw_ver": "AP04", "sn": "**REDACTED**", "flag": 0 }, { "name": "mc", "project_name": "P1", "sw_ver": "00.00.29.75", "loader_ver": "00.00.00.28", "hw_ver": "MC07", "sn": "**REDACTED**", "flag": 0 }, { "name": "th", "project_name": "P1", "sw_ver": "00.00.09.95", "loader_ver": "00.00.00.14", "hw_ver": "TH09", "sn": "**REDACTED**", "flag": 0 }, { "name": "ams/0", "project_name": "", "sw_ver": "00.00.06.49", "loader_ver": "00.00.00.00", "ota_ver": "00.00.00.00", "hw_ver": "AMS08", "sn": "**REDACTED**", "flag": 0 } ], "result": "success", "reason": "" } } }Log Extracts
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