def guess_byte_order(self):
self.mat_stream.seek(0)
mopt = read_dtype(self.mat_stream, np.dtype('i4'))
self.mat_stream.seek(0)
if mopt < 0 or mopt > 5000:
return SYS_LITTLE_ENDIAN and '>' or '<'
return SYS_LITTLE_ENDIAN and '<' or '>'
def guess_byte_order(self):
self.mat_stream.seek(0)
mopt = read_dtype(self.mat_stream, np.dtype('i4'))
self.mat_stream.seek(0)
if mopt < 0 or mopt > 5000:
return SYS_LITTLE_ENDIAN and '>' or '<'
return SYS_LITTLE_ENDIAN and '<' or '>'
def read_header(self):
''' Read and return header for variable '''
data = read_dtype(self.mat_stream, self.dtypes['header'])
name = self.mat_stream.read(int(data['namlen'])).strip(asbytes('\x00'))
if data['mopt'] < 0 or data['mopt'] > 5000:
raise ValueError('Mat 4 mopt wrong format, byteswapping problem?')
M, rest = divmod(data['mopt'], 1000) # order code
if M not in (0, 1):
warnings.warn("We do not support byte ordering '%s'; returned "
"data may be corrupt" % order_codes[M],
UserWarning)
O, rest = divmod(rest, 100) # unused, should be 0
if O != 0:
raise ValueError('O in MOPT integer should be 0, wrong format?')
P, rest = divmod(rest, 10) # data type code e.g miDOUBLE (see above)
T = rest # matrix type code e.g. mxFULL_CLASS (see above)
dims = (data['mrows'], data['ncols'])
is_complex = data['imagf'] == 1
dtype = self.dtypes[P]
return VarHeader4(
name,
dtype,
T,
dims,
is_complex)
def guess_byte_order(self):
self.mat_stream.seek(0)
mopt = read_dtype(self.mat_stream, np.dtype("i4"))
self.mat_stream.seek(0)
if mopt < 0 or mopt > 5000:
return SYS_LITTLE_ENDIAN and ">" or "<"
return SYS_LITTLE_ENDIAN and "<" or ">"
def read_file_header(self):
''' Read in mat 5 file header '''
hdict = {}
hdr = read_dtype(self.mat_stream, self.dtypes['file_header'])
hdict['__header__'] = hdr['description'].item().strip(asbytes(' \t\n\000'))
v_major = hdr['version'] >> 8
v_minor = hdr['version'] & 0xFF
hdict['__version__'] = '%d.%d' % (v_major, v_minor)
return hdict
def read_file_header(self):
''' Read in mat 5 file header '''
hdict = {}
hdr = read_dtype(self.mat_stream, self.dtypes['file_header'])
hdict['__header__'] = hdr['description'].item().strip(' \t\n\000')
v_major = hdr['version'] >> 8
v_minor = hdr['version'] & 0xFF
hdict['__version__'] = '%d.%d' % (v_major, v_minor)
return hdict
def read_file_header(self):
""" Read in mat 5 file header """
hdict = {}
hdr_dtype = MDTYPES[self.byte_order]["dtypes"]["file_header"]
hdr = read_dtype(self.mat_stream, hdr_dtype)
hdict["__header__"] = hdr["description"].item().strip(asbytes(" \t\n\000"))
v_major = hdr["version"] >> 8
v_minor = hdr["version"] & 0xFF
hdict["__version__"] = "%d.%d" % (v_major, v_minor)
return hdict
def read_file_header(self):
''' Read in mat 5 file header '''
hdict = {}
hdr_dtype = MDTYPES[self.byte_order]['dtypes']['file_header']
hdr = read_dtype(self.mat_stream, hdr_dtype)
hdict['__header__'] = hdr['description'].item().strip(asbytes(' \t\n\000'))
v_major = hdr['version'] >> 8
v_minor = hdr['version'] & 0xFF
hdict['__version__'] = '%d.%d' % (v_major, v_minor)
return hdict
def guess_byte_order(self):
self.mat_stream.seek(0)
mopt = read_dtype(self.mat_stream, np.dtype('i4'))
self.mat_stream.seek(0)
if mopt == 0:
return '<'
if mopt < 0 or mopt > 5000:
# Number must have been byteswapped
return SYS_LITTLE_ENDIAN and '>' or '<'
# Not byteswapped
return SYS_LITTLE_ENDIAN and '<' or '>'
def guess_byte_order(self):
self.mat_stream.seek(0)
mopt = read_dtype(self.mat_stream, np.dtype('i4'))
self.mat_stream.seek(0)
if mopt == 0:
return '<'
if mopt < 0 or mopt > 5000:
# Number must have been byteswapped
return SYS_LITTLE_ENDIAN and '>' or '<'
# Not byteswapped
return SYS_LITTLE_ENDIAN and '<' or '>'
def read_header(self):
''' Reads and return header for variable '''
data = read_dtype(self.mat_stream, self.dtypes['header'])
name = self.mat_stream.read(int(data['namlen'])).strip(asbytes('\x00'))
if data['mopt'] < 0 or data['mopt'] > 5000:
ValueError, 'Mat 4 mopt wrong format, byteswapping problem?'
M, rest = divmod(data['mopt'], 1000)
O, rest = divmod(rest, 100)
P, rest = divmod(rest, 10)
T = rest
if O != 0:
raise ValueError('O in MOPT integer should be 0, wrong format?')
dims = (data['mrows'], data['ncols'])
is_complex = data['imagf'] == 1
dtype = self.dtypes[P]
return VarHeader4(name, dtype, T, dims, is_complex)
def read_header(self):
""" Reads and return header for variable """
data = read_dtype(self.mat_stream, self.dtypes["header"])
name = self.mat_stream.read(int(data["namlen"])).strip("\x00")
if data["mopt"] < 0 or data["mopt"] > 5000:
ValueError, "Mat 4 mopt wrong format, byteswapping problem?"
M, rest = divmod(data["mopt"], 1000)
O, rest = divmod(rest, 100)
P, rest = divmod(rest, 10)
T = rest
if O != 0:
raise ValueError, "O in MOPT integer should be 0, wrong format?"
dims = (data["mrows"], data["ncols"])
is_complex = data["imagf"] == 1
dtype = self.dtypes[P]
return VarHeader4(name, dtype, T, dims, is_complex)
def read_header(self):
''' Reads and return header for variable '''
data = read_dtype(self.mat_stream, self.dtypes['header'])
name = self.mat_stream.read(int(data['namlen'])).strip(asbytes('\x00'))
if data['mopt'] < 0 or data['mopt'] > 5000:
ValueError, 'Mat 4 mopt wrong format, byteswapping problem?'
M,rest = divmod(data['mopt'], 1000)
O,rest = divmod(rest,100)
P,rest = divmod(rest,10)
T = rest
if O != 0:
raise ValueError('O in MOPT integer should be 0, wrong format?')
dims = (data['mrows'], data['ncols'])
is_complex = data['imagf'] == 1
dtype = self.dtypes[P]
return VarHeader4(
name,
dtype,
T,
dims,
is_complex)
