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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
import os
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]
try:
codata_create_date = datetime.utcfromtimestamp(int(os.environ.get('SOURCE_DATE_EPOCH')))
except:
codata_create_date = datetime.now().replace(microsecond=0)
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: {codata_create_date}\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})
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