Thank you, installing the dependencies and reinstalling Pillow solved the 
problem. I wonder why no search engine pointed me to the wiki page. 

Running WeeWX with the above problem, it crashed with an Out Of Memory 
Error after a couple of days.

Tom Keffer schrieb am Samstag, 9. November 2024 um 15:05:01 UTC+1:

> See the section about Pillow 
> <https://github.com/weewx/weewx/wiki/pip-troubleshooting#pillow> in the 
> wiki page on Pip troubleshooting.
>
> On Fri, Nov 8, 2024 at 10:21 PM 'michael.k...@gmx.at' via weewx-user <
> weewx...@googlegroups.com> wrote:
>
>> Hello,
>>
>> I've installed weewx the pip way in an ubuntu docker image. I'm getting 
>> the above error message when the ImageGenerator is run. I think there might 
>> be missing packages in the OS, but not really sure, and even if, which 
>> packages?
>>
>> Installed pip packages in the venv:
>>
>> ~$ pip list
>> Package   Version
>> --------- -----------
>> configobj 5.0.9
>> CT3       3.3.3.post1
>> ephem     4.1.6
>> paho-mqtt 2.1.0
>> pillow    11.0.0
>> pip       24.0
>> PyMySQL   1.1.1
>> pyserial  3.5
>> pyusb     1.2.1
>> six       1.16.0
>> weewx     5.1.0
>>
>> A log from start to the first archive_interval (no debug set at this 
>> time, since I don't think it would provide additional benefit)
>>
>> 2024-11-09 06:52:02 weewxd[22970] INFO weewxd: Initializing weewxd 
>> version 5.1.0
>> 2024-11-09 06:52:02 weewxd[22970] INFO weewxd: Command line: 
>> /home/michi/weewx-venv/bin/weewxd
>> 2024-11-09 06:52:02 weewxd[22970] INFO weewxd: Using Python: 3.12.3 
>> (main, Sep 11 2024, 14:17:37) [GCC 13.2.0]
>> 2024-11-09 06:52:02 weewxd[22970] INFO weewxd: Located at:   
>> /home/michi/weewx-venv/bin/python3
>> 2024-11-09 06:52:02 weewxd[22970] INFO weewxd: Platform:     
>> Linux-4.2.8-armv7l-with-glibc2.39
>> 2024-11-09 06:52:02 weewxd[22970] INFO weewxd: Locale:       'C.UTF-8'
>> 2024-11-09 06:52:02 weewxd[22970] INFO weewxd: Entry path:   
>> /home/michi/weewx-venv/bin/weewxd
>> 2024-11-09 06:52:02 weewxd[22970] INFO weewxd: WEEWX_ROOT:   
>> /home/michi/weewx-data
>> 2024-11-09 06:52:02 weewxd[22970] INFO weewxd: Config file: 
>>  /home/michi/weewx-data/weewx.conf
>> 2024-11-09 06:52:02 weewxd[22970] INFO weewxd: User module: 
>>  /home/michi/weewx-data/bin/user
>> 2024-11-09 06:52:02 weewxd[22970] INFO weewxd: Debug:        0
>> 2024-11-09 06:52:02 weewxd[22970] INFO weewxd: User:         michi
>> 2024-11-09 06:52:02 weewxd[22970] INFO weewxd: Group:        michi
>> 2024-11-09 06:52:02 weewxd[22970] INFO weewxd: Groups:       sudo michi
>> 2024-11-09 06:52:02 weewxd[22970] INFO weewx.engine: Loading station type 
>> GW1000 (user.gw1000)
>> 2024-11-09 06:52:02 weewxd[22970] INFO user.gw1000: GatewayDriver: 
>> version is 0.6.3
>> 2024-11-09 06:52:02 weewxd[22970] INFO user.gw1000:      device address 
>> is 10.0.1.85:45000
>> 2024-11-09 06:52:02 weewxd[22970] INFO user.gw1000:      poll interval is 
>> 10 seconds
>> 2024-11-09 06:52:02 weewxd[22970] INFO user.gw1000: GatewayService: 
>> version is 0.6.3
>> 2024-11-09 06:52:02 weewxd[22970] INFO user.gw1000:      device address 
>> is 10.0.1.86:45000
>> 2024-11-09 06:52:02 weewxd[22970] INFO user.gw1000:      poll interval is 
>> 10 seconds
>> 2024-11-09 06:52:02 weewxd[22970] INFO user.MQTTSubscribe: (Service) 
>> Using paho.mqtt 2.1.0
>> 2024-11-09 06:52:02 weewxd[22970] INFO user.MQTTSubscribe: (Service) 
>> Version is 3.0.0-rc10
>> 2024-11-09 06:52:02 weewxd[22970] INFO user.MQTTSubscribe: (Service) Log 
>> level: 0
>> 2024-11-09 06:52:02 weewxd[22970] INFO user.MQTTSubscribe: (Service) Log 
>> debug setting: 0
>> 2024-11-09 06:52:02 weewxd[22970] INFO user.MQTTSubscribe: (Service) Log 
>> console: False
>> 2024-11-09 06:52:02 weewxd[22970] INFO user.MQTTSubscribe: (Service) Log 
>> file: None
>> 2024-11-09 06:52:02 weewxd[22970] INFO user.MQTTSubscribe: (Service) Not 
>> enabled, exiting.
>> 2024-11-09 06:52:02 weewxd[22970] INFO weewx.engine: StdConvert target 
>> unit is 0x11
>> 2024-11-09 06:52:02 weewxd[22970] INFO weewx.wxservices: StdWXCalculate 
>> will use data binding wx_binding
>> 2024-11-09 06:52:02 weewxd[22970] INFO weewx.engine: Archive will use 
>> data binding wx_binding
>> 2024-11-09 06:52:02 weewxd[22970] INFO weewx.engine: Record generation 
>> will be attempted in 'software'
>> 2024-11-09 06:52:02 weewxd[22970] INFO weewx.engine: Using archive 
>> interval of 300 seconds (software record generation)
>> 2024-11-09 06:52:02 weewxd[22970] INFO weewx.restx: StationRegistry: 
>> Registration not requested.
>> 2024-11-09 06:52:02 weewxd[22970] INFO weewx.restx: Wunderground: Posting 
>> not enabled.
>> 2024-11-09 06:52:02 weewxd[22970] INFO weewx.restx: PWSweather: Posting 
>> not enabled.
>> 2024-11-09 06:52:02 weewxd[22970] INFO weewx.restx: CWOP: Posting not 
>> enabled.
>> 2024-11-09 06:52:02 weewxd[22970] INFO weewx.restx: WOW: Posting not 
>> enabled.
>> 2024-11-09 06:52:02 weewxd[22970] INFO weewx.restx: AWEKAS: Posting not 
>> enabled.
>> 2024-11-09 06:52:02 weewxd[22970] INFO user.mqtt: service version is 0.24
>> 2024-11-09 06:52:02 weewxd[22970] INFO user.mqtt: binding to loop
>> 2024-11-09 06:52:02 weewxd[22970] INFO user.mqtt: data_binding is 
>> wx_binding
>> 2024-11-09 06:52:02 weewxd[22970] INFO user.mqtt: topic is weather_test
>> 2024-11-09 06:52:02 weewxd[22970] INFO user.mqtt: data will be uploaded 
>> to mqtt://10.0.1.90:1883/
>> 2024-11-09 06:52:02 weewxd[22970] INFO weewx.engine: 'pyephem' detected, 
>> extended almanac data is available
>> 2024-11-09 06:52:02 weewxd[22970] INFO weewxd: Starting up weewx version 
>> 5.1.0
>> 2024-11-09 06:52:02 weewxd[22970] INFO weewx.engine: Using binding 
>> 'wx_binding' to database 'weewx.sdb'
>> 2024-11-09 06:52:02 weewxd[22970] INFO weewx.manager: Starting backfill 
>> of daily summaries
>> 2024-11-09 06:52:02 weewxd[22970] INFO weewx.manager: Daily summaries up 
>> to date
>> 2024-11-09 06:52:02 weewxd[22970] INFO weewx.engine: Starting main packet 
>> loop.
>> 2024-11-09 06:52:02 weewxd[22970] INFO user.gw1000: Using 't_rainyear' 
>> for rain total
>> 2024-11-09 06:52:02 weewxd[22970] INFO user.gw1000: skipping rain 
>> measurement of 1922.3: no last rain
>> 2024-11-09 06:52:02 weewxd[22970] INFO user.gw1000: Skipping lightning 
>> count of 0: no last count
>> 2024-11-09 06:52:03 weewxd[22970] INFO user.gw1000: Using 't_rainyear' 
>> for rain total
>> 2024-11-09 06:52:03 weewxd[22970] INFO user.gw1000: Using 'p_rainyear' 
>> for piezo rain total
>> 2024-11-09 06:52:03 weewxd[22970] INFO user.gw1000: skipping rain 
>> measurement of 1922.3: no last rain
>> 2024-11-09 06:52:03 weewxd[22970] INFO user.gw1000: skipping piezo rain 
>> measurement of 1952.0: no last rain
>> 2024-11-09 06:52:03 weewxd[22970] INFO user.gw1000: Skipping lightning 
>> count of 0: no last count
>> 2024-11-09 06:52:03 weewxd[22970] INFO user.mqtt: client established for 
>> mqtt://10.0.1.90:1883/
>> 2024-11-09 06:55:16 weewxd[22970] INFO weewx.manager: Added record 
>> 2024-11-09 06:55:00 CET (1731131700) to database 'weewx.sdb'
>> 2024-11-09 06:55:16 weewxd[22970] INFO weewx.manager: Added record 
>> 2024-11-09 06:55:00 CET (1731131700) to daily summary in 'weewx.sdb'
>> 2024-11-09 06:55:16 weewxd[22970] INFO user.jsonengine: JSONGenerator: 
>> Generated 14 data items for Bootstrap-en in 0.10 seconds
>> 2024-11-09 06:55:17 weewxd[22970] ERROR weewx.reportengine: Caught 
>> unrecoverable exception in generator 'weewx.imagegenerator.ImageGenerator'
>> 2024-11-09 06:55:17 weewxd[22970] ERROR weewx.reportengine:         **** 
>>  cannot import name '_imagingft' from 'PIL' 
>> (/home/michi/weewx-venv/lib/python3.12/site-packages/PIL/__init__.py)
>> 2024-11-09 06:55:17 weewxd[22970] ERROR weewx.reportengine:         **** 
>>  Traceback (most recent call last):
>>
>> 2024-11-09 06:55:17 weewxd[22970] ERROR weewx.reportengine:         **** 
>>    File 
>> "/home/michi/weewx-venv/lib/python3.12/site-packages/weewx/reportengine.py", 
>> line 248, in run
>>
>> 2024-11-09 06:55:17 weewxd[22970] ERROR weewx.reportengine:         **** 
>>      obj.start()
>>
>> 2024-11-09 06:55:17 weewxd[22970] ERROR weewx.reportengine:         **** 
>>    File 
>> "/home/michi/weewx-venv/lib/python3.12/site-packages/weewx/reportengine.py", 
>> line 465, in start
>>
>> 2024-11-09 06:55:17 weewxd[22970] ERROR weewx.reportengine:         **** 
>>      self.run()
>>
>> 2024-11-09 06:55:17 weewxd[22970] ERROR weewx.reportengine:         **** 
>>    File 
>> "/home/michi/weewx-venv/lib/python3.12/site-packages/weewx/imagegenerator.py",
>>  
>> line 37, in run
>>
>> 2024-11-09 06:55:17 weewxd[22970] ERROR weewx.reportengine:         **** 
>>      self.gen_images(self.gen_ts)
>>
>> 2024-11-09 06:55:17 weewxd[22970] ERROR weewx.reportengine:         **** 
>>    File 
>> "/home/michi/weewx-venv/lib/python3.12/site-packages/weewx/imagegenerator.py",
>>  
>> line 107, in gen_images
>>
>> 2024-11-09 06:55:17 weewxd[22970] ERROR weewx.reportengine:         **** 
>>      image = plot.render()
>>
>> 2024-11-09 06:55:17 weewxd[22970] ERROR weewx.reportengine:         **** 
>>              ^^^^^^^^^^^^^
>>
>> 2024-11-09 06:55:17 weewxd[22970] ERROR weewx.reportengine:         **** 
>>    File 
>> "/home/michi/weewx-venv/lib/python3.12/site-packages/weeplot/genplot.py", 
>> line 208, in render
>>
>> 2024-11-09 06:55:17 weewxd[22970] ERROR weewx.reportengine:         **** 
>>      self._renderBottom(draw)
>>
>> 2024-11-09 06:55:17 weewxd[22970] ERROR weewx.reportengine:         **** 
>>    File 
>> "/home/michi/weewx-venv/lib/python3.12/site-packages/weeplot/genplot.py", 
>> line 409, in _renderBottom
>>
>> 2024-11-09 06:55:17 weewxd[22970] ERROR weewx.reportengine:         **** 
>>      bottom_label_font = 
>> weeplot.utilities.get_font_handle(self.bottom_label_font_path,
>>
>> 2024-11-09 06:55:17 weewxd[22970] ERROR weewx.reportengine:         **** 
>>                         
>>  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>>
>> 2024-11-09 06:55:17 weewxd[22970] ERROR weewx.reportengine:         **** 
>>    File 
>> "/home/michi/weewx-venv/lib/python3.12/site-packages/weeplot/utilities.py", 
>> line 585, in get_font_handle
>>
>> 2024-11-09 06:55:17 weewxd[22970] ERROR weewx.reportengine:         **** 
>>      font = ImageFont.truetype(fontpath_str,                         # See 
>> note 1
>>
>> 2024-11-09 06:55:17 weewxd[22970] ERROR weewx.reportengine:         **** 
>>             
>> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>>
>> 2024-11-09 06:55:17 weewxd[22970] ERROR weewx.reportengine:         **** 
>>    File 
>> "/home/michi/weewx-venv/lib/python3.12/site-packages/PIL/ImageFont.py", 
>> line 879, in truetype
>>
>> 2024-11-09 06:55:17 weewxd[22970] ERROR weewx.reportengine:         **** 
>>      return freetype(font)
>>
>> 2024-11-09 06:55:17 weewxd[22970] ERROR weewx.reportengine:         **** 
>>             ^^^^^^^^^^^^^^
>>
>> 2024-11-09 06:55:17 weewxd[22970] ERROR weewx.reportengine:         **** 
>>    File 
>> "/home/michi/weewx-venv/lib/python3.12/site-packages/PIL/ImageFont.py", 
>> line 876, in freetype
>>
>> 2024-11-09 06:55:17 weewxd[22970] ERROR weewx.reportengine:         **** 
>>      return FreeTypeFont(font, size, index, encoding, layout_engine)
>>
>> 2024-11-09 06:55:17 weewxd[22970] ERROR weewx.reportengine:         **** 
>>             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>>
>> 2024-11-09 06:55:17 weewxd[22970] ERROR weewx.reportengine:         **** 
>>    File 
>> "/home/michi/weewx-venv/lib/python3.12/site-packages/PIL/ImageFont.py", 
>> line 227, in __init__
>>
>> 2024-11-09 06:55:17 weewxd[22970] ERROR weewx.reportengine:         **** 
>>      raise core.ex
>>
>> 2024-11-09 06:55:17 weewxd[22970] ERROR weewx.reportengine:         **** 
>>    File 
>> "/home/michi/weewx-venv/lib/python3.12/site-packages/PIL/ImageFont.py", 
>> line 66, in <module>
>>
>> 2024-11-09 06:55:17 weewxd[22970] ERROR weewx.reportengine:         **** 
>>      from . import _imagingft as core
>>
>> 2024-11-09 06:55:17 weewxd[22970] ERROR weewx.reportengine:         **** 
>>  ImportError: cannot import name '_imagingft' from 'PIL' 
>> (/home/michi/weewx-venv/lib/python3.12/site-packages/PIL/__init__.py). Did 
>> you mean: '_imaging'?
>>
>> 2024-11-09 06:55:17 weewxd[22970] ERROR weewx.reportengine:         **** 
>>  Generator terminated
>>
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