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US-EPA-SWMM python interface

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© Institute of Urban Water Management and Landscape Water Engineering, Graz University of Technology and Markus Pichler

This is an API for reading, manipulating and running SWMM-Projects

PyPI pipeline status License: MIT docs

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With this package you can read INP-files, manipulate them and write new ones. You can run swmm within the python api. And you can read the OUT-file as a pandas DataFrame for further analysis.

This package is based on the command line SWMM syntax. (see Appendix D in the SWMM User Manual 5.1)

Install the package:

pip install swmm-api

Read the INP-File

from swmm_api.input_file.inp_sections.labels import TIMESERIES
from swmm_api import read_inp_file
from swmm_api.input_file.inp_helpers import InpSection
inp = read_inp_file('inputfile.inp', convert_sections=[TIMESERIES])   # type: swmm_api.input_file.inp_helpers.InpData

# convert_sections limits the convertions during the reading of the file to the following section
# remove "convert_sections" to convert all sections 
# converting sections helps manipulating the inp file
# unconverted sections will be loaded as the raw string

sec_timeseries = inp[TIMESERIES]  # type: InpSection
ts = inp[TIMESERIES]['regenseries'].frame  # type: pandas.Series

see examples/inp_file_reader.ipynb

Write the manipulated INP-File

from swmm_api import write_inp_file
write_inp_file(inp, 'new_inputfile.inp')

Run SWMM

from swmm_api import swmm5_run
swmm5_run('new_inputfile.inp')

Read the OUT-File

from swmm_api import read_out_file
out = read_out_file('new_inputfile.out')   # type: swmm_api.output_file.out.SwmmOutHandler
df = out.to_frame()  # type: pandas.DataFrame

see examples/out_file_reader.ipynb

Read the RPT-File

from swmm_api import read_rpt_file
rpt = read_rpt_file('new_inputfile.rpt')  # type: swmm_api.report_file.report.Report
node_flooding_summary = rpt.node_flooding_summary  # type: pandas.DataFrame

see examples/rpt_file_reader.ipynb

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