The facility uses the Python function eval <https://docs.python.org/3/library/functions.html#eval>. A dictionary with key 'math' and value the math module is passed in for *globals*. The record is passed in for *locals*. So, you could use the expression
*outTemp = 44 if outTemp in locals() else None* On Fri, Mar 8, 2024 at 3:33 PM Graham Eddy <[email protected]> wrote: > oops, python syntax would be: expr if ops_tye in globals() else None > *⊣GE⊢* > > On 9 Mar 2024, at 10:31 am, Graham Eddy <[email protected]> wrote: > > i think ' if obs_type in globals() then expr else None ' would work > *⊣GE⊢* > > On 9 Mar 2024, at 9:13 am, '[email protected]' via weewx-user < > [email protected]> wrote: > > I think I remember that this has been asked before, how to check with an > expression in Corrections, if an obs_type is present? > > -- > 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 [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/weewx-user/ae1bbcf8-23b1-475e-8749-62286df24fb0n%40googlegroups.com > <https://groups.google.com/d/msgid/weewx-user/ae1bbcf8-23b1-475e-8749-62286df24fb0n%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 [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/weewx-user/0507D046-7EED-4A96-8F28-038B70BECEC7%40geddy.au > <https://groups.google.com/d/msgid/weewx-user/0507D046-7EED-4A96-8F28-038B70BECEC7%40geddy.au?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 [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/CAPq0zEAuuP-SCAMux5dsvxKPUDxP0b_W7gwH0zzf44xWcQb5uw%40mail.gmail.com.
