Posted as a wiki article: https://github.com/weewx/weewx/wiki/Run-WeeWX-in-a-virtual-environment
On Mon, Oct 31, 2022 at 10:25 AM Tom Keffer <tkef...@gmail.com> wrote: > Unfortunately, as you discovered, this is a little tricky. If you run > setup.py from the virtual environment, things end up in funny places. > > Instead, use the system's python to set things up using setup.py, then > switch to the virtual environment to install dependencies, then run weewxd. > But, first you'll need configobj, because setup.py requires it. However, DO > NOT INSTALL configobj from the weewx distribution subdirectory, because pip > will see the setup.cfg and put configobj in a funny spot. > > Here's the way I do it: > > # First install configobj. Can be done anywhere, but NOT in the weewx > distribution subdirectory > cd /home/weewx > python3 -m pip install --user configobj > # Unpack the tarball, then cd into the resultant subdirectory > tar xvf weewx-4.9.1.tar.gz > cd weewx-4.9.1 > # Set up /home/weewx using the system's version of python > python3 setup.py install > # Now set up the venv in /home/weewx > cd /home/weewx > python3 -m venv weewx_venv > # Activate it > source ./weewx_venv/bin/activate > # Install dependencies in the virtual environment > python3 -m pip install configobj Cheetah3 Pillow pyserial pyusb pyephem > # Now you can run weewxd in the virtual environment > python3 ./bin/weewxd > > For running as a systemd daemon, set up your systemd file so that it uses > the version of Python in the venv. That is, ExecStart will look something > like this: > > ExecStart=/home/weewx/weewx_venv/bin/python3 /home/weewx/bin/weewxd > /home/weewx/weewx.conf > > A major goal of WeeWX Version 5 is to make this all easier. In particular, > use pipenv, or similar tool, to install things from pypi.org into a > virtual environment. Unfortunately, we may end up with a bit of a hybrid > mix because the Python install tools are not really designed to handle data > such as the skins and configuration file. > > Let me know how things go. > > -tk > > > On Mon, Oct 31, 2022 at 9:12 AM gearoid <gearoidw...@gmail.com> wrote: > >> I'd like to be able to install weewx and run it using a virtual >> environment instead of using the system's interpreter. >> >> When I run "sudo <path to vevn's python> setup.py install" I get an error >> about not being able to use both prefix and exec_prefix. >> I commented out exec_prefix= in setup.py. >> The install runs but a bunch of files are placed in the virtual >> environment's directory and not in /home/weewx. >> >> I moved those files into /home/weewx myself and it seem to be working. >> >> I'd like to be able to do that without those hacks. If someone can give >> some pointers and it's a reasonable thing to be able to do I'd be happy to >> make the PR. >> >> I'm using Ubuntu, pyenv to install python 3.10.8. >> Using python venv to create the 3.10.8 virtual environment and then pip >> to install the required modules (so no apt installed packages). >> >> Gearoid. >> >> -- >> You received this message because you are subscribed to the Google Groups >> "weewx-user" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to weewx-user+unsubscr...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/weewx-user/8fa1b5ce-7c78-449f-bf56-b9a2b53de99dn%40googlegroups.com >> <https://groups.google.com/d/msgid/weewx-user/8fa1b5ce-7c78-449f-bf56-b9a2b53de99dn%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- You received this message because you are subscribed to the Google Groups "weewx-user" group. To unsubscribe from this group and stop receiving emails from it, send an email to weewx-user+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/CAPq0zEADvCEUvM42ngD6%2Bog0wTP1_zDu-NFfzhjj_-stizZpTA%40mail.gmail.com.
