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I believe you're a tiny bit early on this. There is currently a work in progress by notably @MarkAdams (aided by Ksennia Burova and Preston Shires) on Pull Request #5893 that is planned to go in E+ v8.8.0.

If you're feeling confident, you can checkout the code of the PR, and build compile EnergyPlus yourself. I believe the function you're after is around IdfParser#L165.

EDIT:

I actually found this presentation from Building SImulation 2017: 2017_IBPSA_JSON that will reference this companion repository: IBPSA-BuildingSim-2017-JSON. In this repository you'll find a JSON-enabled EnergyPlus (see "Releases" tab to download) and instructions to run an IDF and also produce the epJSON.

IDF input (with epJSON converted output)

./energyplus -c -d Outputs/ -w USA_IL_Chicago-OHare.Intl.AP.725300_TMY3.epw 1ZoneUncontrolled.idf

Otherwise I'm pretty sure you could eppy for this, perhaps not directly, but since it stores everything in a python dict-like objects it shouldn't be too hard to create a JSON output/

I believe you're a tiny bit early on this. There is currently a work in progress by notably @MarkAdams (aided by Ksennia Burova and Preston Shires) on Pull Request #5893 that is planned to go in E+ v8.8.0.

If you're feeling confident, you can checkout the code of the PR, and build compile EnergyPlus yourself. I believe the function you're after is around IdfParser#L165.

EDIT:

I actually found this presentation from Building SImulation 2017: 2017_IBPSA_JSON that will reference this companion repository: IBPSA-BuildingSim-2017-JSON. In this repository you'll find a JSON-enabled EnergyPlus (see "Releases" tab to download) and instructions to run an IDF and also produce the epJSON.

IDF input (with epJSON converted output)

./energyplus -c -d Outputs/ -w USA_IL_Chicago-OHare.Intl.AP.725300_TMY3.epw 1ZoneUncontrolled.idf

Otherwise I'm pretty sure you could use eppy for this, perhaps not directly, but since it stores everything in a python dict-like objects it shouldn't be too hard to create a JSON output/

I believe you're a tiny bit early on this. There is currently a work in progress by notably @MarkAdams (aided by Ksennia Burova and Preston Shires) on Pull Request #5893 that is planned to go in E+ v8.8.0.

If you're feeling confident, you can checkout the code of the PR, and build compile EnergyPlus yourself. I believe the function you're after is around IdfParser#L165.

EDIT:

I actually found this presentation from Building SImulation 2017: 2017_IBPSA_JSON that will reference this companion repository: IBPSA-BuildingSim-2017-JSON. In this repository you'll find a JSON-enabled EnergyPlus (see "Releases" tab to download) and instructions to run an IDF and also produce the epJSON.

IDF input (with epJSON converted output)

./energyplus -c -d Outputs/ -w USA_IL_Chicago-OHare.Intl.AP.725300_TMY3.epw 1ZoneUncontrolled.idf

Otherwise I'm pretty sure you could use eppy for this, perhaps not directly, but since it stores everything in a python dict-like objects it shouldn't be too hard to create a JSON output/output.