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import os
import os.path as op
import sys
from datalad.api import containers_add
from datalad.interface.common_cfg import dirs as appdirs
from datalad.tests.utils_pytest import SkipTest
from datalad.utils import chpwd
def add_pyscript_image(ds, container_name, file_name):
"""Set up simple Python script as image.
Parameters
----------
ds : Dataset
container_name : str
Add container with this name.
file_name : str
Write script to this file and use it as the image.
"""
ds_file = (ds.pathobj / file_name)
ds_file.write_text("import sys\nprint(sys.argv)\n")
ds.save(ds_file, message="Add dummy container")
containers_add(container_name, image=str(ds_file),
call_fmt=sys.executable + " {img} {cmd}",
dataset=ds)
def get_singularity_image():
imgname = 'datalad_container_singularity_testimg.simg'
targetpath = op.join(
appdirs.user_cache_dir,
imgname)
if op.exists(targetpath):
return targetpath
with chpwd(appdirs.user_cache_dir):
os.system(
'singularity pull --name "{}" shub://datalad/datalad-container:testhelper'.format(
imgname))
if op.exists(targetpath):
return targetpath
raise SkipTest
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