Files
auto_namd_python/job.py
2019-07-06 21:13:14 -04:00

153 lines
4.5 KiB
Python

import os
import sys
import glob
from functions import natural_key, abs_path
class Job:
"""
A class that represents a job/system residing in a unique directory path
Calling prepare_sim() assigns the additional instance variables:
steps = number of steps to run the simulation
ffs = a list of forcefield files for the simulation
next_step, final_step_num = the type of step and the final number of steps
conf, out file = the configuration file and the simulation output file
"""
def __init__(self, path):
self.set_empty_vars()
self.path = path
self.name = self.get_job_name()
self.prefix = os.path.join(self.path, self.name)
self.pdb, self.psf = self.get_pdb_and_psf()
self.stage, self.step, self.coor = self.get_stage()
def set_empty_vars(self):
self.pdb, self.psf = '', ''
self.steps = ''
self.ffs_path, self.ffs = '', ''
self.next_stage, self.next_step = '', ''
self.conf, self.out = '', ''
def get_job_name(self):
'''Get job name from path'''
name = os.path.basename(self.path)
return name
def get_pdb_and_psf(self):
pdb = glob.glob(f'{self.prefix}*_solv_ion.pdb')
psf = glob.glob(f'{self.prefix}*_solv_ion.psf')
if len(pdb) == 1 and len(psf) == 1:
return pdb[0], psf[0]
pdb = glob.glob(f'{self.prefix}.pdb')
psf = glob.glob(f'{self.prefix}.psf')
if len(pdb) == 1 and len(psf) == 1:
return pdb[0], psf[0]
else:
print('No PDB or PSF files found, exiting...')
sys.exit(1)
def get_stage(self):
coors_path = self.prefix + '*.coor'
coors = glob.glob(coors_path)
coors.sort(key=natural_key)
if len(coors) >= 1:
coor = coors[-1]
stage = coor.split('_')[-2].split('.')[0]
step = int(coor.split('_')[-1].split('.')[0])
else:
coor = ''
stage = ''
step = 0
return stage, int(step), coor
def prepare_sim(self, ffs_path, steps):
self.steps = steps
self.ffs_path = abs_path(ffs_path)
self.ffs = self.get_ffs()
self.next_stage, self.next_step = self.get_next_stage()
self.conf, self.out = self.conf_out_file()
def get_next_stage(self):
if self.stage == '4-sim':
next_stage = '4-sim'
next_step = self.step + self.steps
elif self.stage == '3-heat':
next_stage = '4-sim'
next_step = steps
elif self.stage == '2-min':
next_stage = '3-heat'
next_step = 0
elif self.stage == '1-min':
next_stage = '2-min'
next_step = 0
elif self.stage == '':
next_stage = '1-min'
next_step = 0
return next_stage, int(next_step)
def get_ffs(self):
ffs = glob.glob(os.path.join(self.ffs_path, '*'))
return ffs
def conf_out_file(self):
if self.next_stage == '4-sim':
conf = f'{self.prefix}_{self.next_stage}' \
f'_{str(self.next_step)}.conf'
out = f'{self.prefix}_{self.next_stage}' \
f'_{str(self.next_step)}.out'
else:
conf = f'{self.prefix}_{self.next_stage}.conf'
out = f'{self.prefix}_{self.next_stage}.out'
return conf, out
def info(self):
print(f'Job Path: {self.path}\n'
f'Name: {self.name}\n'
f'Working PDB: {self.pdb}\n'
f'Working PSF: {self.psf}\n'
f'Previous Step: {self.stage}\n'
f'Previous Step Number: {str(self.step)}\n'
f'Next Stage: {self.next_stage}\n'
f'Next Step Number: {str(self.next_step)}\n'
f'FF Path: {self.ffs_path}\n'
f'FFs: {self.ffs}\n'
)
def get_jobs_from_path(jobs_path):
jobs_path += '/**/*.pdb'
job_dirs = glob.glob(jobs_path, recursive=True)
job_dirs_l = []
for job_dir in job_dirs:
job_dirs_l.append(os.path.dirname(job_dir))
if len(job_dirs_l) < 1:
print('No valid jobs found in jobs path!')
sys.exit(1)
return job_dirs_l
def get_next_job(jobs):
jobs.sort(key=lambda x: (x.stage, x.step))
return jobs[0]
def create_job_instances(job_paths):
job_instances = []
for job_path in job_paths:
job_instances.append(Job(job_path))
return job_instances