def open(self):
"""Open a PSF file and read its headers.
Example:
Trying to open a valid psf file
>>> psf=PSFReader('./test/psf/srcSweep')
>>> psf.open()
"""
if self.asc == None:
self.asc = psfasc.is_psfasc(self.filename)
if not self.asc:
self.file = open(self.filename, "rb")
if self.validate():
self.deSerializeFile(self.file)
else:
raise PSFInvalid("Invalid PSF file")
else:
newpsfobj = psfasc.parse("psfasc", open(self.filename).read())
self.header = newpsfobj.header
self.types = newpsfobj.types
self.sweeps = newpsfobj.sweeps
self.traces = newpsfobj.traces
self.values = newpsfobj.values
self.lastid = newpsfobj.lastid
self.verbose = newpsfobj.verbose
def open(self):
"""Open a PSF file and read its headers.
Example:
Trying to open a valid psf file
>>> psf=PSFReader('./test/psf/srcSweep')
>>> psf.open()
"""
if self.asc == None:
self.asc = psfasc.is_psfasc(self.filename)
if not self.asc:
self.file = open(self.filename, "rb")
if self.validate():
self.deSerializeFile(self.file)
else:
raise PSFInvalid("Invalid PSF file")
else:
newpsfobj = psfasc.parse("psfasc", open(self.filename).read())
self.header = newpsfobj.header
self.types = newpsfobj.types
self.sweeps = newpsfobj.sweeps
self.traces = newpsfobj.traces
self.values = newpsfobj.values
self.lastid = newpsfobj.lastid
self.verbose = newpsfobj.verbose
def create_psfreader(*args, **kwargs):
"""PSFReader factory that can use either libpsf or pure python"""
use_libpsf = True
if 'USELIBPSF' in os.environ:
use_libpsf = bool(int(os.environ['USELIBPSF']))
## Try to import libpsf
if use_libpsf:
try:
import psflibpsf
except ImportError:
use_libpsf = False
os.environ['USELIBPSF'] = '0'
if use_libpsf and not psfasc.is_psfasc(args[0]):
return psflibpsf.PSFReader(*args, **kwargs)
else:
return psf.PSFReader(*args, **kwargs)
def create_psfreader(*args, **kwargs):
"""PSFReader factory that can use either libpsf or pure python"""
use_libpsf = True
if 'USELIBPSF' in os.environ:
use_libpsf = bool(int(os.environ['USELIBPSF']))
## Try to import libpsf
if use_libpsf:
try:
import psflibpsf
except ImportError:
use_libpsf = False
os.environ['USELIBPSF'] = '0'
if use_libpsf and not psfasc.is_psfasc(args[0]):
return psflibpsf.PSFReader(*args, **kwargs)
else:
return psf.PSFReader(*args, **kwargs)