def _is_valid(self, *args, **kwargs):
warn_h5py(args[0])
if not is_chombo_hdf5(args[0]):
return False
pluto_ini_file_exists = False
orion2_ini_file_exists = False
if isinstance(args[0], str):
dir_name = os.path.dirname(os.path.abspath(args[0]))
pluto_ini_filename = os.path.join(dir_name, "pluto.ini")
orion2_ini_filename = os.path.join(dir_name, "orion2.ini")
pluto_ini_file_exists = os.path.isfile(pluto_ini_filename)
orion2_ini_file_exists = os.path.isfile(orion2_ini_filename)
if orion2_ini_file_exists:
return False
if pluto_ini_file_exists:
return False
try:
fileh = h5py.File(args[0], mode='r')
valid = "Charm_global" in fileh["/"]
fileh.close()
return valid
except Exception:
pass
return False
def _is_valid(self, *args, **kwargs):
warn_h5py(args[0])
try:
fileh = HDF5FileHandler(args[0])
if ("bounding box" not in fileh["/"].keys()
and "localnp" in fileh["/"].keys()):
return True
except (OSError, ImportError):
pass
return False
def _is_valid(self, *args, **kwargs):
warn_h5py(args[0])
try:
with h5.File(args[0], "r") as f:
attrs = list(f["/"].attrs.keys())
for i in opmd_required_attributes:
if i not in attrs:
return False
if StrictVersion(f.attrs["openPMD"].decode()) not in ompd_known_versions:
return False
if f.attrs["iterationEncoding"].decode() == "groupBased":
return True
return False
except (IOError, OSError, ImportError):
return False
def _is_valid(cls, filename, *args, **kwargs):
warn_h5py(filename)
try:
with h5py.File(filename, mode="r") as f:
attrs = list(f["/"].attrs.keys())
for i in opmd_required_attributes:
if i not in attrs:
return False
if Version(f.attrs["openPMD"].decode()) not in ompd_known_versions:
return False
if f.attrs["iterationEncoding"].decode() == "groupBased":
return True
return False
except (OSError, ImportError):
return False
def _is_valid(cls, filename, *args, **kwargs):
"""Checks whether the supplied file can be read by this frontend."""
warn_h5py(filename)
try:
with h5py.File(filename, mode="r") as f:
attrs = list(f["/"].attrs.keys())
for i in opmd_required_attributes:
if i not in attrs:
return False
if Version(f.attrs["openPMD"].decode()) not in ompd_known_versions:
return False
if f.attrs["iterationEncoding"].decode() == "fileBased":
return True
return False
except (OSError, ImportError):
return False
def _is_valid(self, *args, **kwargs):
"""Checks whether the supplied file can be read by this frontend.
"""
warn_h5py(args[0])
try:
f = h5.File(args[0], "r")
except (IOError, OSError, ImportError):
return False
requirements = ["openPMD", "basePath", "meshesPath", "particlesPath"]
attrs = list(f["/"].attrs.keys())
for i in requirements:
if i not in attrs:
f.close()
return False
known_versions = [StrictVersion("1.0.0"), StrictVersion("1.0.1")]
if StrictVersion(f.attrs["openPMD"].decode()) in known_versions:
f.close()
return True
else:
f.close()
return False