def test_write_read_files(self):
'''test_write_read_files will test the functions write_file and read_file
'''
print("Testing utils.write_file...")
from spython.utils import write_file
import json
tmpfile = tempfile.mkstemp()[1]
os.remove(tmpfile)
write_file(tmpfile, "hello!")
self.assertTrue(os.path.exists(tmpfile))
print("Testing utils.read_file...")
from spython.utils import read_file
content = read_file(tmpfile)[0]
self.assertEqual("hello!", content)
from spython.utils import write_json
print("Testing utils.write_json...")
print("...Case 1: Providing bad json")
bad_json = {"Wakkawakkawakka'}": [{True}, "2", 3]}
tmpfile = tempfile.mkstemp()[1]
os.remove(tmpfile)
with self.assertRaises(TypeError) as cm:
write_json(bad_json, tmpfile)
print("...Case 2: Providing good json")
good_json = {"Wakkawakkawakka": [True, "2", 3]}
tmpfile = tempfile.mkstemp()[1]
os.remove(tmpfile)
write_json(good_json, tmpfile)
with open(tmpfile, 'r') as filey:
content = json.loads(filey.read())
self.assertTrue(isinstance(content, dict))
self.assertTrue("Wakkawakkawakka" in content)
def test_write_bad_json(tmp_path):
from spython.utils import write_json
bad_json = {"Wakkawakkawakka'}": [{True}, "2", 3]}
tmpfile = str(tmp_path / "json_file.txt")
assert not os.path.exists(tmpfile)
with pytest.raises(TypeError):
write_json(bad_json, tmpfile)
def test_write_json(tmp_path):
import json
from spython.utils import write_json
good_json = {"Wakkawakkawakka": [True, "2", 3]}
tmpfile = str(tmp_path / "good_json_file.txt")
assert not os.path.exists(tmpfile)
write_json(good_json, tmpfile)
with open(tmpfile, "r") as f:
content = json.loads(f.read())
assert isinstance(content, dict)
assert "Wakkawakkawakka" in content
def main(args, options, parser):
"""This function serves as a wrapper around the DockerParser,
SingularityParser, DockerWriter, and SingularityParser converters.
We can either save to file if args.outfile is defined, or print
to the console if not.
"""
# We need something to work with
if not args.files:
parser.print_help()
sys.exit(1)
# Get the user specified input and output files
outfile = None
if len(args.files) > 1:
outfile = args.files[1]
# First try to get writer and parser, if not defined will return None
writer = get_writer(args.writer)
parser = get_parser(args.parser)
# If the user wants to auto-detect the type
if args.parser == "auto":
if "dockerfile" in args.files[0].lower():
parser = get_parser("docker")
elif "singularity" in args.files[0].lower():
parser = get_parser("singularity")
# If the parser still isn't defined, no go.
if parser is None:
bot.exit(
"Please provide a Dockerfile or Singularity recipe, or define the --parser type."
)
# If the writer needs auto-detect
if args.writer == "auto":
if parser.name == "docker":
writer = get_writer("singularity")
else:
writer = get_writer("docker")
# If the writer still isn't defined, no go
if writer is None:
bot.exit("Please define the --writer type.")
# Initialize the chosen parser
recipeParser = parser(args.files[0])
# By default, discover entrypoint / cmd from Dockerfile
entrypoint = "/bin/bash"
force = False
if args.entrypoint is not None:
entrypoint = args.entrypoint
# This is only done if the user intended to print json here
recipeParser.entrypoint = args.entrypoint
recipeParser.cmd = None
force = True
if args.json:
if outfile is not None:
if not os.path.exists(outfile):
if force:
write_json(outfile, recipeParser.recipe.json())
else:
bot.exit("%s exists, set --force to overwrite." % outfile)
else:
print(json.dumps(recipeParser.recipe.json(), indent=4))
else:
# Do the conversion
recipeWriter = writer(recipeParser.recipe)
result = recipeWriter.convert(runscript=entrypoint, force=force)
# If the user specifies an output file, save to it
if outfile is not None:
write_file(outfile, result)
# Otherwise, convert and print to screen
else:
print(result)