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Source code for galaxy.tool_util.verify.asserts.hdf5

import io

try:
    import h5py
except ImportError:
    h5py = None

from ._types import (
    Annotated,
    AssertionParameter,
    OutputBytes,
)

IMPORT_MISSING_MESSAGE = "h5 assertion requires unavailable optional dependency h5py"

Key = Annotated[str, AssertionParameter("HDF5 attribute to check value of.")]
Value = Annotated[str, AssertionParameter("Expected value of HDF5 attribute to check.")]
Keys = Annotated[str, AssertionParameter("HDF5 attributes to check value of as a comma-separated string.")]


def _assert_h5py():
    if h5py is None:
        raise Exception(IMPORT_MISSING_MESSAGE)


[docs]def assert_has_h5_attribute(output_bytes: OutputBytes, key: Key, value: Value) -> None: """Asserts HDF5 output contains the specified ``value`` for an attribute (``key``), e.g. ```xml <has_h5_attribute key="nchroms" value="15" /> ``` """ _assert_h5py() output_temp = io.BytesIO(output_bytes) with h5py.File(output_temp, "r", locking=False) as h5: local_attrs = h5.attrs assert ( key in local_attrs and str(local_attrs[key]) == value ), f"Not a HDF5 file or H5 attributes do not match:\n\t{[(key, str(value)) for key, value in local_attrs.items()]}\n\n\t({key} : {value})"
# TODO the function actually queries groups. so the function and argument name are misleading
[docs]def assert_has_h5_keys(output_bytes: OutputBytes, keys: Keys) -> None: """Asserts the specified HDF5 output has the given keys.""" _assert_h5py() h5_keys = sorted([k.strip() for k in keys.strip().split(",")]) output_temp = io.BytesIO(output_bytes) local_keys = [] def append_keys(key): local_keys.append(key) return None with h5py.File(output_temp, "r", locking=False) as f: f.visit(append_keys) missing = 0 for key in h5_keys: if key not in local_keys: missing += 1 assert missing == 0, f"Not a HDF5 file or H5 keys missing:\n\t{local_keys}\n\t{h5_keys}"