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Source code for galaxy.tool_util.verify.asserts.archive
import io
import re
import tarfile
import zipfile
def _extract_from_tar(tar_temp, path):
for fn in tar_temp.getnames():
if re.match(path, fn):
# Will only match on first hit, probably fine for now
return tar_temp.extractfile(fn)
def _extract_from_zip(zip_temp, path):
for fn in zip_temp.namelist():
if re.match(path, fn):
# Will only match on first hit, probably fine for now
return zip_temp.open(fn)
[docs]def assert_has_archive_member(output_bytes, path, verify_assertions_function, children):
""" Recursively checks the specified children assertions against the text of
the first element matching the specified path found within the archive.
Currently supported formats: .zip, .tar, .tar.gz."""
output_temp = io.BytesIO(output_bytes)
try: # tar / tar.gz
temp = tarfile.open(fileobj=output_temp, mode='r')
contents = _extract_from_tar(temp, path)
except tarfile.TarError: # zip
temp = zipfile.ZipFile(output_temp, mode='r')
contents = _extract_from_zip(temp, path)
finally:
verify_assertions_function(contents.read(), children)
contents.close()
temp.close()
output_temp.close()