def test_makeInf(self, inffile, tmpfile):
myheader = Header.parseInfHeader(filename=inffile)
myheader.makeInf(outfile=tmpfile)
with open(inffile, 'r') as file_inf:
infdata = file_inf.read()
with open(tmpfile, 'r') as file_tmp:
tmpdata = file_tmp.read()
np.testing.assert_string_equal(tmpdata, infdata)
def test_parseInfHeader(self, inffile):
header = Header.parseInfHeader(filename=inffile)
assert header.nbits == 32
assert header.source_name == "Mystery_PSR"
assert header.telescope_id == 6
assert header.machine_id == 9
assert header.src_raj == 164338.1
assert header.src_dej == -122458.7
assert header.nsamples == 66250
assert header.nchans == 1
def readDat(cls, filename, inf=None):
"""Read a presto format ``.dat`` file.
Parameters
----------
filename : str
the name of the ``.dat`` file to read
inf : str, optional
the name of the corresponding ``.inf`` file, by default None
Returns
-------
:class:`~sigpyproc.TimeSeries.TimeSeries`
a new TimeSeries object
Raises
------
IOError
If no ``.inf`` file found in the same directory of ``.dat`` file.
Notes
-----
If inf=None, then the associated .inf file must be in the same directory.
"""
datfile = os.path.realpath(filename)
basename, ext = os.path.splitext(datfile)
if inf is None:
inf = f"{basename}.inf"
if not os.path.isfile(inf):
raise IOError("No corresponding .inf file found")
header = Header.parseInfHeader(inf)
f = File(filename, "r", nbits=32)
data = np.fromfile(f, dtype=np.float32)
header["basename"] = basename
header["inf"] = inf
header["filename"] = filename
header["nsamples"] = data.size
return cls(data, header)
def readFFT(cls, filename, inf=None):
"""Read a presto format ``.fft`` file.
Parameters
----------
filename : str
the name of the ``.fft`` file to read
inf : str, optional
the name of the corresponding ``.inf`` file, by default None
Returns
-------
:class:`~sigpyproc.FourierSeries.FourierSeries`
an array containing the whole file contents
Raises
------
IOError
If no ``.inf`` file found in the same directory of ``.fft`` file.
Notes
-----
If inf=None, then the associated .inf file must be in the same directory.
"""
fftfile = os.path.realpath(filename)
basename, ext = os.path.splitext(fftfile)
if inf is None:
inf = f"{basename}.inf"
if not os.path.isfile(inf):
raise IOError("No corresponding inf file found")
header = Header.parseInfHeader(inf)
f = File(filename, "r", nbits=32)
data = np.fromfile(f, dtype="float32")
header["basename"] = basename
header["inf"] = inf
header["filename"] = filename
return cls(data, header)
