def UNV2467Reader(f, fem):
while True:
# Read Record 1:
line1 = f.readline()
# Read Record 2
line2 = f.readline().strip()
if len(line2) and not line1.startswith(FLAG):
# Read group
dataline = Line2Int(line1)
group_name = line2.replace(' ', '_')
nitems = dataline[-1]
nlines = int((nitems + 1) / 2)
# check if there are to be any items in the group.
if nlines == 0:
fpos = f.tell()
# If not, skip row - or if not empty: let row be
# and start next read of Record 1
if f.readline().strip():
f.seek(fpos)
else:
# Read group items
group_items = []
for i in range(nlines):
dat = Line2Int(f.readline())
group_items.append(dat[0:3])
if len(dat) > 4:
group_items.append(dat[4:7])
# Split group in node and element sets
nset = []; eset = []
for item in group_items:
if item[0] == 7:
nset.append(item[1])
if item[0] == 8:
eset.append(item[1])
# Store non empty groups
if len(nset):
nset = FEM.Group(group_name, 7, nset)
fem.nsets.append(nset)
if len(eset):
eset = FEM.Group(group_name, 8, eset)
fem.esets.append(eset)
else:
break
logging.info('{} nsets'.format(len(fem.nsets)))
logging.info('{} esets'.format(len(fem.esets)))
return fem
