Hey,
I am trying to use the ladybug library (PyPi) in GH Python. I also want to use the EPPY library to run EnergyPlus simulation.
I’ve installed the ladybug and eppy libraries through pip install.
I have added the path to grasshopper and it now shows:
[‘C:\Users\gupta\Desktop\My Cloud Offline Files\MSSD\Spring Semester\Design Computation\Assignments’, ‘C:\Program Files\Rhino 6\Plug-ins\IronPython\Lib’, ‘C:\Users\gupta\AppData\Roaming\McNeel\Rhinoceros\6.0\Plug-ins\IronPython (814d908a-e25c-493d-97e9-ee3861957f49)\settings\lib’, ‘C:\Users\gupta\AppData\Roaming\McNeel\Rhinoceros\6.0\scripts’, ‘C:\Users\gupta\AppData\Local\Programs\Python\Python37-32\Lib\site-packages’]
I wrote the following code so far based on the GitHub Usage section:
from ladybug.epw import EPW
weather_data = EPW(epw_path)
print(weather_data)location = weather_data.Location
print(location)
It’s giving me this error:
Runtime error (MissingMemberException): ‘module’ object has no attribute ‘isplus’
Traceback:
line 22, in , “C:\Users\gupta\AppData\Local\Programs\Python\Python37-32\Lib\site-packages\ladybug\sunpath.py”
line 10, in , “C:\Users\gupta\AppData\Local\Programs\Python\Python37-32\Lib\site-packages\ladybug\designday.py”
line 5, in , “C:\Users\gupta\AppData\Local\Programs\Python\Python37-32\Lib\site-packages\ladybug\epw.py”
line 8, in , “C:\Users\gupta\AppData\Local\Programs\Python\Python37-32\Lib\site-packages\ladybug_comfort_extend_ladybug.py”
line 14, in , “C:\Users\gupta\AppData\Local\Programs\Python\Python37-32\Lib\site-packages\ladybug_comfort_ init .py”
line 37, in import_module, “C:\Program Files\Rhino 6\Plug-ins\IronPython\Lib\importlib init .py”
line 13, in , “C:\Users\gupta\AppData\Local\Programs\Python\Python37-32\Lib\site-packages\ladybug init _.py”
line 48, in script
Also, the last time I tried to do this, I had added .dll and .gha files in a folder and added the path. This is also consistent with the discussion here:
That had worked but I am not sure where to find the .dll and .gha files for ladybug and eppy. I went with adding the ladybug python files into the Rhino Scripts folder.
The goal of doing this is to set up energy and environmental simulation using python and not the GH Components. I would like to try simulating the incident solar radiation/SED, zone wise loads, heat gain and heat losses for each zone, etc.
I found that ladybug and honeybee have python modules that can be used outside the GH environment. Also, EnergyPlus IDF files can be modified using EPPY. I was trying to use a combination to try simulating using Python. Finally, I want to automate multiple simulations based on changes in input parameters.
As per Mr. Roudsari’s reply, I downloaded the latest version from github. The init file now has the following line addressing this:
for key in lb_plugins:
print(‘Successfully imported Ladybug plugin: {}’.format(key))
This is a variable to check if the library is a [+] library.
setattr(sys.modules[name], ‘isplus’, False)
However, I am still getting the same error. Any help would be appreciated.
Thank You.
