nrgpy

nrgpy

nrgpy is the Python package for processing NRG Data Files

Website and source	https://github.com/nrgpy/nrgpy
Documentation	https://nrgpy.github.io/nrgpy/index.html
IEA Task 43 Parser	https://github.com/nrgpy/nrg-parser
Support	[e-mail]

It provides tools for:

• Converting binary ".rld" and ".rwd" files to text format
  • using locally installed SymphoniePRO Desktop Software and Symphonie Data Retriever
  • using NRG Cloud API (compatible with Linux!) *(SymphoniePRO only at this time)
• Reading Symphonie text exports, LOGR dat, and Spidar zip/csv files into Pandas dataframes
• Timestamp adjustment (of text files)
• Simple quality checks on data

---

Contributing

See our Contributing guidelines for how to be a part of this project.

Installation

pip install nrgpy

Log and token files

Log files and NRG Cloud token files will be generated when using the app. These files can be found in your '''home''' directory:

Windows

C:\Users\{username}\.nrgpy\

Linux/Mac

/home/{username}/.nrgpy/

Examples

For more examples see the Documentation: https://nrgpy.github.io/nrgpy/index.html

RLD files

Convert a folder of RLD files to Text with SymphoniePRO Desktop Software

import nrgpy
date_filter = '2018-10' # filter on any text in the filenames
text_folder_name = 'text_outputs/'
converter = nrgpy.local_rld(rld_dir='', out_dir=text_folder_name, file_filter=date_filter)
converter.convert()

Convert a folder of RLD files to Text with NRG Cloud Convert API

import nrgpy
file_filter = "000110"
rld_directory = "rlds"
client_id = "https://cloud.nrgsystems.com/data-manager/api-setup"
client_secret = ""
converter = nrgpy.cloud_convert(
    file_filter=file_filter, 
    rld_dir=rld_directory, 
    client_id=client_id,
    client_secret=client_secret,
    start_date="2019-11-01",
    end_date="2019-11-30",
)
converter.process()

Convert a single RLD file to Text with NRG Cloud API

import nrgpy
filename = "path/to/rld"
txt_dir = "path/to/txt/"
client_id = "https://cloud.nrgsystems.com/data-manager/api-setup"
client_secret = ""
converter = nrgpy.CloudConvert(
    filename=filename, 
    client_id=client_id,
    client_secret=client_secret,
)

Read files

file_filter = "000110"
import nrgpy

reader = nrgpy.SymProTextRead()
reader.concat_txt(
    txt_dir=text_folder_name, 
    file_filter=file_filter, 
    start_date="2019-11-01",
    end_date="2019-11-30",
)

RWD files

Convert a folder of RWD files to Text with Symphonie Data Retriever

import nrgpy

file_filter = '0434201902' # for Feb 2019 files from site 0434
rwd_directory = 'C:/Users/[user]/rwd/'
out_directory = 'C:/Users/[user]/txt/'

converter = nrgpy.local_rwd(file_filter=file_filter, rwd_dir=rwd_directory, out_dir=out_directory)
converter.convert()

Convert a folder of RWD files to Text with Symphonie Data Retriever on Linux

import nrgpy

rwd_directory = '/home/user/datafiles/rwd'
out_directory = '/home/user/datafiles/txt'
wine_directory = '/home/user/prefix32/drive_c/' # path to wine's "C:\" drive


converter = nrgpy.local_rwd(
                file_filter=file_filter, 
                rwd_dir=rwd_directory, 
                out_dir=out_directory,
                wine_folder=wine_directory,
                use_site_file=False # set to True to use site files
            )
converter.convert()

You can also convert a single file with SDR, and save it in the same directory:

import nrgpy

filename = '/path/to/file'
converter = nrgpy.local_rwd(filename=filename)

Read TXT files exported from RWD files

import nrgpy

dt = 'rwd'
txt_file = '/path/to/file.txt'
reader = nrgpy.read_text_data(data_type=dt, filename=txt_file)

or concatenate a whole lot of files:

dt = 'rwd'
txt_dir = '/path/to/text/files'
file_filter = 'text_in_filenames_you_want'
reader = nrgpy.read_text_data(data_type=dt, txt_dir=txt_dir, file_filter=file_filter)
reader.concat()

Spidar files

Spidar Vertical Profiler remote sensors generate archived csv data files in a Zip format.

These can be read directly into the spidar_txt_read method. See the docstring in spidar_txt.py for more information.

Eg.

In [1]: import nrgpy

In [2]: fname = "/spidar/1922AG7777_CAG70-SPPP-LPPP_NRG1_AVGWND_2019-07-07_1.zip"                            

In [3]: reader = nrgpy.SpidarRead(filename=fname)                                                                              

In [4]: reader.heights                                                                                                         
Out[4]: [40, 60, 80, 90, 100, 120, 130, 160, 180, 200]

In [5]: reader.data                                                                                                            
Out[5]: 
                     pressure[mmHg]  temperature[C]  ...  dir_200_std[Deg]  wind_measure_200_quality[%]
Timestamp                                            ...                                               
2019-07-06 23:40:00          749.66           24.13  ...             28.77                           68
2019-07-06 23:50:00          749.63           24.08  ...             14.31                            0
2019-07-07 00:00:00          749.64           23.99  ...             20.59                            0
...