91 lines
3.5 KiB
Python
Executable file
91 lines
3.5 KiB
Python
Executable file
#!/usr/bin/env python
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import sys
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import os
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import subprocess
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import random
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def extract_cp_name(name):
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# "lm_lstm_epoch50.00_0.1870.t7"
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if not (name[:13] == 'lm_lstm_epoch' and name[-3:] == '.t7'):
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return None
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name = name[13:-3]
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(epoch, vloss) = tuple(name.split('_'))
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return (float(epoch), float(vloss))
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def sample(cp, temp, count, seed = None, ident = 'output'):
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if seed is None:
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seed = random.randint(-1000000000, 1000000000)
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outfile = cp + '.' + ident + '.' + str(temp) + '.txt'
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cmd = ('th sample.lua ' + cp
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+ ' -temperature ' + str(temp)
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+ ' -length ' + str(count)
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+ ' -seed ' + str(seed)
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+ ' >> ' + outfile)
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if os.path.exists(outfile):
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print((outfile + ' already exists, skipping'))
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return False
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else:
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# UNSAFE SHELL=TRUE FOR CONVENIENCE
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subprocess.call('echo "' + cmd + '" | tee ' + outfile, shell=True)
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subprocess.call(cmd, shell=True)
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def find_best_cp(cpdir):
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best = None
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best_cp = None
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for path in os.listdir(cpdir):
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fullpath = os.path.join(cpdir, path)
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if os.path.isfile(fullpath):
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extracted = extract_cp_name(path)
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if not extracted is None:
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(epoch, vloss) = extracted
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if best is None or vloss < best:
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best = vloss
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best_cp = fullpath
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return best_cp
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def process_dir(cpdir, temp, count, seed = None, ident = 'output', verbose = False):
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if verbose:
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print(('processing ' + cpdir))
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best_cp = find_best_cp(cpdir)
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if not best_cp is None:
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sample(best_cp, temp, count, seed=seed, ident=ident)
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for path in os.listdir(cpdir):
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fullpath = os.path.join(cpdir, path)
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if os.path.isdir(fullpath):
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process_dir(fullpath, temp, count, seed=seed, ident=ident, verbose=verbose)
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def main(rnndir, cpdir, temp, count, seed = None, ident = 'output', verbose = False):
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if not os.path.isdir(rnndir):
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raise ValueError('bad rnndir: ' + rnndir)
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if not os.path.isdir(cpdir):
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raise ValueError('bad cpdir: ' + cpdir)
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os.chdir(rnndir)
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process_dir(cpdir, temp, count, seed=seed, ident=ident, verbose=verbose)
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if __name__ == '__main__':
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import argparse
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parser = argparse.ArgumentParser()
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parser.add_argument('rnndir', #nargs='?'. default=None,
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help='base rnn directory, must contain sample.lua')
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parser.add_argument('cpdir', #nargs='?', default=None,
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help='checkpoint directory, all subdirectories will be processed')
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parser.add_argument('-t', '--temperature', action='store', default='1.0',
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help='sampling temperature')
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parser.add_argument('-c', '--count', action='store', default='1000000',
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help='number of characters to sample each time')
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parser.add_argument('-s', '--seed', action='store', default=None,
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help='fixed seed; if not present, a random seed will be used')
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parser.add_argument('-i', '--ident', action='store', default='output',
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help='identifier to include in the output filenames')
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parser.add_argument('-v', '--verbose', action='store_true',
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help='verbose output')
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args = parser.parse_args()
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if args.seed is None:
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seed = None
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else:
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seed = int(args.seed)
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main(args.rnndir, args.cpdir, float(args.temperature), int(args.count),
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seed=seed, ident=args.ident, verbose = args.verbose)
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exit(0)
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