def parse(f):
def add_var(d, v):
# Do nothing if var is none. Gracefully handles first variable,
# and after that point var is never None
if v is None:
return
if v.ctype == 'string' and v.size is None:
raise ValueError('String %s has no length' % v.name)
if v.address is None:
raise ValueError('Var %s has no address' % v.name)
if v.vartype is None:
raise ValueError('Var %s has no type' % v.name)
d.vars.append(v)
device = None
var = None
group = None
custom = False
cur_address = 0
cur_interval = 0
cur_filter = None
cur_iwrite = None
for line in f:
line = line.strip()
if line == '':
pass
elif line[0] == '$':
pass
elif line[0] == '@':
line_result = line.split(',',3)
for i in range(len(line_result)):
line_result[i] = line_result[i].strip('@'+string.whitespace)
if device is None:
device = Device(line_result[0])
group = line_result[0]
else:
err = 'Duplicate device line in file (Had %s, now have %s)' \
% (device.name, line_result[0])
raise ValueError(err)
device.id = int(line_result[1])
if line_result[2] == '/dev/ttyUSB0':
device.path = 'autodetect'
else:
device.path = line_result[2]
device.baud_rate = int(line_result[3])
elif line[0] == ';':
line = line.strip(';'+string.whitespace)
if line.startswith('group:'):
line_result = line[6:].split(',',2)
for i in range(len(line_result)):
line_result[i] = line_result[i].strip()
group = line_result[0]
if device is None:
raise ValueError('Group %s has no device' % group)
else:
if bools[line_result[1]] == True:
if group not in device.write_only_groups:
device.write_only_groups.append(group)
else:
if group in device.write_only_groups:
raise ValueError('Group %s is already write only' % group)
elif line.startswith('filter:'):
line_result = line[7:].strip()
cur_filter = line_result
elif line.startswith('no_initial_write'):
cur_iwrite = True
elif line[0] == '#':
line_result = line.split(',',3)
for i in range(len(line_result)):
line_result[i] = line_result[i].strip('#'+string.whitespace)
cur_address = int(line_result[0])
cur_interval = int(line_result[1])
custom = bools[line_result[2]]
elif custom == True:
line_result = line.split(',',5)
for i in range(len(line_result)):
line_result[i] = line_result[i].strip()
(g,v) = line_result[2].split('/',1)
if device is None:
raise ValueError('Var %s has no device' % g)
var = Var(g, v)
var.vartype = line_result[1]
if line_result[1] == 'string':
var.ctype = 'string'
else:
var.ctype = ctypes[line_result[1]]
var.size = int(line_result[0])
var.readonly = bools[line_result[4]]
var.address = cur_address
cur_address += int(line_result[0])
var.interval = cur_interval
if cur_filter is not None:
var.filter = cur_filter
cur_filter = None
if cur_iwrite is not None:
var.iwrite = False
cur_iwrite = None
add_var(device, var)
if device.path is None:
raise ValueError('Device %s has no path' % device.name)
if device.id is None and device.path == 'autodetect':
raise ValueError('Device %s is autodetect but no id' % device.name)
return device
def parse(f):
def add_var(d, v):
# Do nothing if var is none. Gracefully handles first variable,
# and after that point var is never None
if v is None:
return
if v.ctype == 'string' and v.size is None:
raise ValueError('String %s has no length' % v.name)
if v.address is None:
raise ValueError('Var %s has no address' % v.name)
if v.vartype is None:
raise ValueError('Var %s has no type' % v.name)
d.vars.append(v)
device = None
var = None
group = None
custom = False
cur_address = 0
cur_interval = 0
cur_filter = None
cur_iwrite = None
for line in f:
line = line.strip()
if line == '':
pass
elif line[0] == '$':
pass
elif line[0] == '@':
line_result = line.split(',', 3)
for i in range(len(line_result)):
line_result[i] = line_result[i].strip('@' + string.whitespace)
if device is None:
device = Device(line_result[0])
group = line_result[0]
else:
err = 'Duplicate device line in file (Had %s, now have %s)' \
% (device.name, line_result[0])
raise ValueError(err)
device.id = int(line_result[1])
if line_result[2] == '/dev/ttyUSB0':
device.path = 'autodetect'
else:
device.path = line_result[2]
device.baud_rate = int(line_result[3])
elif line[0] == ';':
line = line.strip(';' + string.whitespace)
if line.startswith('group:'):
line_result = line[6:].split(',', 2)
for i in range(len(line_result)):
line_result[i] = line_result[i].strip()
group = line_result[0]
if device is None:
raise ValueError('Group %s has no device' % group)
else:
if bools[line_result[1]] == True:
if group not in device.write_only_groups:
device.write_only_groups.append(group)
else:
if group in device.write_only_groups:
raise ValueError('Group %s is already write only' %
group)
elif line.startswith('filter:'):
line_result = line[7:].strip()
cur_filter = line_result
elif line.startswith('no_initial_write'):
cur_iwrite = True
elif line[0] == '#':
line_result = line.split(',', 3)
for i in range(len(line_result)):
line_result[i] = line_result[i].strip('#' + string.whitespace)
cur_address = int(line_result[0])
cur_interval = int(line_result[1])
custom = bools[line_result[2]]
elif custom == True:
line_result = line.split(',', 5)
for i in range(len(line_result)):
line_result[i] = line_result[i].strip()
(g, v) = line_result[2].split('/', 1)
if device is None:
raise ValueError('Var %s has no device' % g)
var = Var(g, v)
var.vartype = line_result[1]
if line_result[1] == 'string':
var.ctype = 'string'
else:
var.ctype = ctypes[line_result[1]]
var.size = int(line_result[0])
var.readonly = bools[line_result[4]]
var.address = cur_address
cur_address += int(line_result[0])
var.interval = cur_interval
if cur_filter is not None:
var.filter = cur_filter
cur_filter = None
if cur_iwrite is not None:
var.iwrite = False
cur_iwrite = None
add_var(device, var)
if device.path is None:
raise ValueError('Device %s has no path' % device.name)
if device.id is None and device.path == 'autodetect':
raise ValueError('Device %s is autodetect but no id' % device.name)
return device
