def __init__(self, filename=None, size_limit = SIZE_LIM,out_dir='./'):
if filename and os.path.isfile(filename):
self.filename = filename
self.out_dir = out_dir
if not h5py.is_hdf5(filename):
if not sigproc.is_filterbank(filename):
raise IOError('No correct format, need .h5. Try again...')
else:
logger.info("File .fil detected. Attempting to create .h5 file in current directory...")
try:
self.__make_h5_file()
except:
raise IOError('Unable to create .h5 file. Please, try again with correct format.')
self.filestat = os.stat(filename)
self.filesize = self.filestat.st_size/(1024.0**2)
if self.filesize > size_limit:
logger.info("The file is of size %f MB, exceeding our size limit %f MB. Split needed..."%(self.filesize, size_limit))
self.data_list = self.__split_h5()
else:
#EE This is here mainly for testing. Since need to keep in mind the band pass shape.
logger.debug("File size %f MB within range %f MB, okay..."%(self.filesize, size_limit))
data_obj = DATAH5(filename)
self.data_list = [data_obj]
self.status = True
else:
self.status = False
logger.error("File %s doesn\'t exists, please check!"%self.filename)
raise IOError("File %s doesn\'t exists, please check!"%self.filename)
def __init__(self,
filename=None,
size_limit=SIZE_LIM,
out_dir='./',
n_coarse_chan=None,
coarse_chans=None):
"""
:param filename: string, name of file (.h5 or .fil)
:param size_limit: float, maximum size in MB that the file is allowed to be
:param out_dir: string, directory where output files should be saved
"""
if filename and os.path.isfile(filename):
self.filename = filename
self.out_dir = out_dir
self.n_coarse_chan = n_coarse_chan
self.coarse_chans = coarse_chans
if not h5py.is_hdf5(filename):
if not sigproc.is_filterbank(filename):
raise IOError('No correct format, need .h5. Try again...')
else:
logger.info(
"File .fil detected. Attempting to create .h5 file in current directory..."
)
try:
self.__make_h5_file()
except:
raise IOError(
'Unable to create .h5 file. Please, try again with correct format.'
)
self.filestat = os.stat(filename)
self.filesize = self.filestat.st_size / (1024.0**2)
# Make sure file is not larger than limit. If it is, we must split the file
if self.filesize > size_limit:
logger.info(
"The file is of size %f MB, exceeding our size limit %f MB. Split needed..."
% (self.filesize, size_limit))
self.data_list = self.__split_h5()
else:
#EE This is here mainly for testing. Since need to keep in mind the band pass shape.
logger.debug("File size %f MB within range %f MB, okay..." %
(self.filesize, size_limit))
data_obj = DATAH5(filename)
self.data_list = [data_obj]
self.status = True
else:
self.status = False
logger.error("File %s doesn\'t exists, please check!" %
self.filename)
raise IOError("File %s doesn\'t exists, please check!" %
self.filename)
def __init__(self,
filename=None,
out_dir='./',
n_coarse_chan=None,
coarse_chans=None,
kernels=None,
gpu_backend=False,
precision=2):
if not kernels:
self.kernels = Kernels(gpu_backend, precision)
else:
self.kernels = kernels
if filename and os.path.isfile(filename):
self.filename = filename
self.out_dir = out_dir
self.n_coarse_chan = n_coarse_chan
self.coarse_chans = coarse_chans
if not h5py.is_hdf5(filename):
if not sigproc.is_filterbank(filename):
self.status = False
errmsg = 'Not a filterbank file: {}'.format(filename)
logger.error(errmsg)
raise IOError(errmsg)
logger.info(
"Filterbank file detected. Attempting to create .h5 file in current directory..."
)
try:
self.__make_h5_file()
except:
self.status = False
errmsg = 'Unable to create .h5 file from: {}'.format(
filename)
logger.error(errmsg)
raise IOError(errmsg)
self.filestat = os.stat(filename)
self.filesize = self.filestat.st_size / (1024.0**2)
# Grab header from DATAH5
dobj_master = DATAH5(filename, kernels=self.kernels)
self.header = dobj_master.header
dobj_master.close()
# Split the file
self.data_list = self.__split_h5()
self.status = True
else:
self.status = False
errmsg = "File {} doesn\'t exist, please check!".format(filename)
logger.error(errmsg)
raise IOError(errmsg)
def __init__(self,
filename=None,
out_dir='./',
n_coarse_chan=None,
coarse_chans=None):
"""
:param filename: string, name of file (.h5 or .fil)
:param out_dir: string, directory where output files should be saved
:param n_coarse_chan: integer, number of coarse channels
:param coarse_chans list or None, list of course channels
"""
if filename and os.path.isfile(filename):
self.filename = filename
self.out_dir = out_dir
self.n_coarse_chan = n_coarse_chan
self.coarse_chans = coarse_chans
if not h5py.is_hdf5(filename):
if not sigproc.is_filterbank(filename):
raise IOError('Not a filterbank file: {}'.format(filename))
logger.info(
"Filterbank file detected. Attempting to create .h5 file in current directory..."
)
try:
self.__make_h5_file()
except:
raise IOError(
'Unable to create .h5 file from: {}.format(filename)')
self.filestat = os.stat(filename)
self.filesize = self.filestat.st_size / (1024.0**2)
# Grab header from DATAH5
dobj_master = DATAH5(filename)
self.header = dobj_master.header
dobj_master.close()
# Split the file
self.data_list = self.__split_h5()
self.status = True
else:
self.status = False
errmsg = "File {} doesn\'t exist, please check!".format(filename)
logger.error(errmsg)
raise IOError(errmsg)
def test_sigproc_is_fil():
""" Check that the is_fil function works """
assert sigproc.is_filterbank(voyager_h5) is False
assert sigproc.is_filterbank(voyager_fil) is True
