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quantum_package/scripts/compilation/cache_compile.py
2018-04-30 18:43:32 +02:00

110 lines
2.7 KiB
Python
Executable File

#!/usr/bin/env python2
"""
Save the .o from a .f90
and is the .o is asked a second time, retur it
Take in argv command like:
ifort -g -openmp -I IRPF90_temp/Ezfio_files/ -c IRPF90_temp/Integrals_Monoelec/kin_ao_ints.irp.module.F90 -o IRPF90_temp/Integrals_Monoelec/kin_ao_ints.irp.module.o
"""
import os
import sys
import hashlib
import re
import shutil
import subprocess
r = re.compile(ur'-c\s+(\S+\.[fF]90)\s+-o\s+(\S+\.o)')
p = re.compile(ur'-I IRPF90_temp/\S*\s+')
mod = re.compile(ur'module\s+(?P<mod>\S+).+end\s?module\s+(?P=mod)?',
re.MULTILINE | re.IGNORECASE)
tmpdir_root = os.environ.get("TMPDIR", failobj="/dev/shm")
TMPDIR = os.path.join(tmpdir_root, os.environ["USER"], "qp_compiler")
def return_filename_to_cache(command):
"""
For a irp_command:
ifort -g -openmp -I IRPF90_temp/Ezfio_files/ -c IRPF90_temp/Integrals_Monoelec/kin_ao_ints.irp.module.F90 -o IRPF90_temp/Integrals_Monoelec/kin_ao_ints.irp.module.o
Return the *.F90 and the *.o
"""
command_clean = p.sub('', command)
match = r.search(command_clean)
input = match.group(1)
output = match.group(2)
return (input, output)
def get_hash_key(command, input_data):
"""
Return the hash of command + input_data
"""
m = hashlib.md5()
m.update(command)
m.update(input_data)
# Md5 Key containing command + content of Fread
return m.hexdigest()
def run_and_save_the_data(command, path_output, path_key, is_mod):
# Compile the file -> .o
process = subprocess.Popen(command, shell=True)
if process.wait() != 0:
sys.exit(1)
elif not is_mod:
try:
shutil.copyfile(path_output, path_key)
except:
pass
def cache_utility(command):
# Create temp directory
try:
os.makedirs(TMPDIR)
except OSError:
pass
# Get the filename of the input.f.90
# and the otput .o
try:
(path_input, path_output) = return_filename_to_cache(command)
except:
# Canot parse the arg of command
raise OSError
try:
with open(path_input, 'r') as f:
input_data = f.read()
# Get the hash
key = get_hash_key(command, input_data)
path_key = os.path.join(TMPDIR, key)
# Try to return the content of the .o file
try:
shutil.copyfile(path_key, path_output)
except IOError:
is_mod = mod.search(input_data.replace('\n', ' '))
run_and_save_the_data(command, path_output, path_key, is_mod)
except:
raise
if __name__ == '__main__':
line = sys.argv[1:]
command = " ".join(line)
try:
cache_utility(command)
except OSError:
process = subprocess.Popen(command, shell=True)