Re: [HTCondor-users] Dynamically changing HTCondor configuration when using python binding

[John M Knoeller <johnkn@xxxxxxxxxxx>]

1) sorry no.   htcondor.reload_config() will always use the file pointed to by the CONDOR_CONFIG environment variable if it is set. 

2) yes.  But keep in mind that changes made this way will not be visible to sub-processes (if you should use any)

3) no.  what you are doing is what we intended.

-tj


-----Original Message-----
From: HTCondor-users <htcondor-users-bounces@xxxxxxxxxxx> On Behalf Of Marco Mambelli
Sent: Thursday, December 5, 2019 5:58 PM
To: HTCondor-users <htcondor-users@xxxxxxxxxxx>
Subject: [HTCondor-users] Dynamically changing HTCondor configuration when using python binding

Greetings,
I'm using some HTCondor commands from a python program either wrapping the binaries or using the bindings (when available).

I need to change dynamically and programmatically some configuration parameters.
When wrapping the commands I'm using os.environ[] to set variables like CONDOR_CONFIG or _CONDOR_... 
This works because the commands are in a subshell.

os.environ is not affecting the current environment (of the running interpreter) and the python bindings are executed there, therefore ignoring these changes. I'd like to avoid to have to re-invoke the interpreter in a subprocess.


1. Is it there a way to specify a config file to htcondor.reload_config(), e.g the path in CONDOR_CONFIG from os.environ, not from the environment at the invocation of the python interpreter?

2. And then should I modify the content of htcondor.param (_Param object) with what is in the _CONDOR_... variables?

3. Is it there another better way to change the configuration when using the bindings?


Thank you,
Marco


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