def __init__(self, run, datadir=None, ending=".dat"):
'''Specify a run number (or file name) and data directory
Arguments:
run -- integer (negative values mean relative to last run number) or filename
datadir -- data directory
ending -- file name ending, defaults to ".dat"
'''
# try:
# self.run = int(run)
# if run <= 0:
# try:
# import gda.data.NumTracker as NumTracker #@UnresolvedImport
# self.run += NumTracker().getCurrentFileNumber()
# except ImportError:
# print "No gda configuration access so cannot support negative numbers"
# raise
#
# if datadir is None:
# datadir = self._getgdadir()
# self.srsfile = _path.join(datadir, self.run + ending)
# if not _os.access(self.srsfile, _os.R_OK):
# self.srsfile = self._findsrs(datadir, ending)
# except ValueError:
# if isinstance(run, str):
# if run.startswith('/'):
# datadir = ""
# else:
# if datadir is None:
# datadir = self._getgdadir()
# self.srsfile = _path.join(datadir, run)
# else:
# print "run must be a number or a file path"
self.run = int(run)
self.srsfile = self._findsrs(datadir, ending)
print 'file is', self.srsfile
self.basedir = _path.dirname(self.srsfile)
dh = load(self.srsfile, formats=['srs'])
DataHolder.__init__(self, dh.items(), dh.metadata.items())
def __init__(self, scan, data_dir, visit=None, year=None, ending=".dat"):
'''Specify a scan number (or file name) and data directory
Looks for file in data_dir/year/visit/
Arguments:
scan - scan number
data_dir - beamline data directory, such as '/dls/i01/data'
visit - visit-ID, such as cm1234-1 (defaults to data_dir and its sub-directories)
year - calendar year (defaults to visit directory and any year in range 2000-99)
ending - suffix or list of suffices (defaults to '.dat')
'''
scan = int(scan)
files = find_scan_files(scan, data_dir, visit, year, ending)
if len(files) == 1:
srsfile = files[0]
else:
# find shortest name
ls = [len(f) for f in files]
lc = min(ls)
if ls.count(lc) > 1: # if there is more than one of same length
for l, f in zip(ls, files):
if l == lc:
if f.endswith(ending[0]): # prefer first ending
srsfile = f
break
else:
srsfile = files[ls.index(lc)]
dh = load(srsfile, format='srs')
itms = []
mds = []
for i in dh.items():
if i[0] == 'metadata':
mds = i[1].items()
else:
itms.append(i)
_DataHolder.__init__(self, itms, mds)
self.__scan = scan
self.__file = srsfile
def __init__(self, scan, data_dir, visit=None, year=None, ending=".dat"):
'''Specify a scan number (or file name) and data directory
Looks for file in data_dir/year/visit/
Arguments:
scan - scan number
data_dir - beamline data directory, such as '/dls/i01/data'
visit - visit-ID, such as cm1234-1 (defaults to data_dir and its sub-directories)
year - calendar year (defaults to visit directory and any year in range 2000-99)
ending - suffix or list of suffices (defaults to '.dat')
'''
scan = int(scan)
files = find_scan_files(scan, data_dir, visit, year, ending)
if len(files) == 1:
srsfile = files[0]
else:
# find shortest name
ls = [len(f) for f in files]
lc = min(ls)
if ls.count(lc) > 1: # if there is more than one of same length
for l, f in zip(ls, files):
if l == lc:
if f.endswith(ending[0]): # prefer first ending
srsfile = f
break
else:
srsfile = files[ls.index(lc)]
dh = load(srsfile, format='srs')
itms = []
mds = []
for i in dh.items():
if i[0] == 'metadata':
mds = i[1].items()
else:
itms.append(i)
_DataHolder.__init__(self, itms, mds)
self.__scan = scan
self.__file = srsfile
