def generate_hash(self, hashmethod="md5"):
"""Return a unique hash ID for current instance.
See :meth:`~xtgeo.common.sys.generic_hash()` for documentation.
.. versionadded:: 2.14
"""
required = (
"ncol",
"nrow",
"nlay",
"xori",
"yori",
"zori",
"xinc",
"yinc",
"zinc",
"yflip",
"zflip",
"rotation",
"values",
"ilines",
"xlines",
"traceidcodes",
)
gid = ""
for req in required:
gid += f"{getattr(self, '_' + req)}"
return xtgeosys.generic_hash(gid, hashmethod=hashmethod)
def test_generic_hash():
"""Testing generic hashlib function."""
ahash = xsys.generic_hash("ABCDEF")
assert ahash == "8827a41122a5028b9808c7bf84b9fcf6"
ahash = xsys.generic_hash("ABCDEF", hashmethod="sha256")
assert ahash == "e9c0f8b575cbfcb42ab3b78ecc87efa3b011d9a5d10b09fa4e96f240bf6a82f5"
ahash = xsys.generic_hash("ABCDEF", hashmethod="blake2b")
assert ahash[0:12] == "0bb3eb1511cb"
with pytest.raises(KeyError):
ahash = xsys.generic_hash("ABCDEF", hashmethod="invalid")
# pass a hashlib function
ahash = xsys.generic_hash("ABCDEF", hashmethod=hashlib.sha224)
assert ahash == "fd6639af1cc457b72148d78e90df45df4d344ca3b66fa44598148ce4"