Files
CoolProp/wrappers/Python/generate_constants_module.py
2022-04-06 10:54:40 -04:00

114 lines
4.3 KiB
Python

from __future__ import print_function
import os, shutil
"""
A little module to wrap the params enum for use in Cython code
Ian Bell, May 2014
"""
def params_constants(enum_key):
fName = os.path.join('..', '..', 'include', 'DataStructures.h')
contents = open(fName, 'r').read()
left = contents.find('{', contents.find('enum ' + enum_key));
right = contents.find('}', left)
entries = contents[left + 1:right]
if entries.find('/*') > -1: raise ValueError('/* */ style comments are not allowed, replace them with // style comments')
if not entries: raise ValueError('Unable to find ' + enum_key)
lines = entries.split('\n')
lines = [line for line in lines if not line.strip().startswith('//')]
for i, line in enumerate(lines):
if line.find('/'):
lines[i] = line.split('/')[0]
if '=' in lines[i]:
lines[i] = lines[i].split('=')[0].strip() + ','
# Chomp all the whitespace, split at commas
keys = ''.join(lines).replace(' ', '').split(',')
keys = [k for k in keys if k]
return keys
def config_constants():
fName = os.path.join('..', '..', 'include', 'Configuration.h')
contents = open(fName, 'r').readlines()
matching_lines = [i for i, line in enumerate(contents) if "#define CONFIGURATION_KEYS_ENUM" in line]
assert(len(matching_lines) == 1)
iline = matching_lines[0] + 1
keys = []
while iline < 1000 and contents[iline].strip().startswith('X(') or contents[iline].strip().startswith('"'):
if contents[iline].strip().startswith('X('):
line = contents[iline].strip()[2::]
key = line.split(',')[0]
keys.append(key)
iline += 1
return ('configuration_keys', keys)
def generate_cython(data, config_data):
print('****** Writing the constants module ******')
# Write the PXD definition file
pxd_output_file = open('CoolProp/constants_header.pxd', 'w')
pxd_output_file.write('# This file is automatically generated by the generate_constants_module.py script in wrappers/Python.\n# DO NOT MODIFY THE CONTENTS OF THIS FILE!\n\ncdef extern from "DataStructures.h" namespace "CoolProp":\n')
for enum_key, entries in data:
pxd_output_file.write('\tctypedef enum ' + enum_key + ':\n')
for param in entries:
param = param.strip()
pxd_output_file.write('\t\t' + param + '\n')
pxd_output_file.write('\n\ncdef extern from "Configuration.h":\n')
enum_key, entries = config_data
pxd_output_file.write('\tctypedef enum ' + enum_key + ':\n')
for param in entries:
param = param.strip()
pxd_output_file.write('\t\t' + param + '\n')
pxd_output_file.close()
# Write the PYX implementation file
pyx_output_file = open('CoolProp/_constants.pyx', 'w')
pyx_output_file.write('# This file is automatically generated by the generate_constants_module.py script in wrappers/Python.\n')
pyx_output_file.write('# DO NOT MODIFY THE CONTENTS OF THIS FILE!\n')
pyx_output_file.write('from . cimport constants_header\n\n')
for enum_key, entries in data:
for param in entries:
param = param.strip()
pyx_output_file.write(param + ' = ' + 'constants_header.' + param + '\n')
enum_key, entries = config_data
for param in entries:
param = param.strip()
pyx_output_file.write(param + ' = ' + 'constants_header.' + param + '\n')
pyx_output_file.close()
# Write the PY implementation file
py_output_file = open('CoolProp/constants.py', 'w')
py_output_file.write('# This file is automatically generated by the generate_constants_module.py script in wrappers/Python.\n# DO NOT MODIFY THE CONTENTS OF THIS FILE!\nfrom __future__ import absolute_import\n\nfrom . import _constants\n\n')
for enum_key, entries in data:
for param in entries:
param = param.strip()
py_output_file.write(param + ' = ' + '_constants.' + param + '\n')
enum_key, entries = config_data
for param in entries:
param = param.strip()
py_output_file.write(param + ' = ' + '_constants.' + param + '\n')
py_output_file.close()
def generate():
data = [(enum, params_constants(enum)) for enum in ['parameters', 'input_pairs', 'fluid_types', 'phases']]
generate_cython(data, config_constants())
if __name__ == '__main__':
generate()