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from setuptools import Command, setup

from setuptools.command.build_py import build_py as _build

from setuptools.command.sdist import sdist as _sdist

from datetime import datetime

class data(Command):

description = "Convert the NIST database of constants"

user_options = []

boolean_options = []

def initialize_options(self):

pass

def finalize_options(self):

pass

def run(self):

with open('quantities/constants/NIST_codata.txt') as f:

data = f.read()

data = data.split('\n')[10:-1]

with open('quantities/constants/_codata.py', 'w') as f:

f.write('# THIS FILE IS AUTOMATICALLY GENERATED\n')

f.write('# ANY CHANGES MADE HERE WILL BE LOST\n')

f.write(f'# LAST GENERATED: {datetime.now()}\n\n')

f.write('physical_constants = {}\n\n')

for line in data:

name = line[:55].rstrip().replace('mag.','magnetic')

name = name.replace('mom.', 'moment')

val = line[55:77].replace(' ','').replace('...','')

prec = line[77:99].replace(' ','').replace('(exact)', '0')

unit = line[99:].rstrip().replace(' ', '*').replace('^', '**')

d = "{'value': %s, 'precision': %s, 'units': '%s'}" \

%(val, prec, unit)

f.write("physical_constants['%s'] = %s\n"%(name, d))

class sdist(_sdist):

def run(self):

self.run_command('data')

_sdist.run(self)

class build(_build):

def run(self):

self.run_command('data')

_build.run(self)

setup(cmdclass={"build_py": build, "sdist": sdist, "data": data})