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import os
import os.path as op
import subprocess
class CLICommand:
"""Upload files to NOMAD.
Upload all data within specified folders to the Nomad repository
using authentication token given by the --token option or,
if no token is given, the token stored in ~/.ase/nomad-token.
To get an authentication token, you create a Nomad repository account
and use the 'Uploads' button on that page while logged in:
https://repository.nomad-coe.eu/
"""
@staticmethod
def add_arguments(parser):
parser.add_argument('folders', nargs='*', metavar='folder')
parser.add_argument('-t', '--token',
help='Use given authentication token and save '
'it to ~/.ase/nomad-token unless '
'--no-save-token')
parser.add_argument('-n', '--no-save-token', action='store_true',
help='do not save the token if given')
parser.add_argument('-0', '--dry-run', action='store_true',
help='print command that would upload files '
'without uploading anything')
@staticmethod
def run(args):
dotase = op.expanduser('~/.ase')
tokenfile = op.join(dotase, 'nomad-token')
if args.token:
token = args.token
if not args.no_save_token:
if not op.isdir(dotase):
os.mkdir(dotase)
with open(tokenfile, 'w') as fd:
print(token, file=fd)
os.chmod(tokenfile, 0o600)
print('Wrote token to', tokenfile)
else:
try:
with open(tokenfile) as fd:
token = fd.readline().strip()
except OSError as err: # py2/3 discrepancy
from ase.cli.main import CLIError
msg = ('Could not find authentication token in {}. '
'Use the --token option to specify a token. '
'Original error: {}'
.format(tokenfile, err))
raise CLIError(msg)
cmd = ('tar cf - {} | '
'curl -XPUT -# -HX-Token:{} '
'-N -F file=@- http://nomad-repository.eu:8000 | '
'xargs echo').format(' '.join(args.folders), token)
if not args.folders:
print('No folders specified -- another job well done!')
elif args.dry_run:
print(cmd)
else:
print('Uploading {} folder{} ...'
.format(len(args.folders),
's' if len(args.folders) != 1 else ''))
subprocess.check_call(cmd, shell=True)
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