def main():
"""Main routine"""
optparser, options = get_options()
try:
miniterm = MiniTerm(device=options.device,
baudrate=to_int(options.baudrate),
logfile=options.logfile,
debug=options.debug)
miniterm.run(os.name in ('posix', ) and options.fullmode or False,
options.reset, options.select)
except (AssertionError, IOError, ValueError), e:
print >> sys.stderr, '\nError: %s' % e
if options.debug:
import traceback
print >> sys.stderr, traceback.format_exc()
sys.exit(1)
def main():
"""Main routine"""
optparser, options = get_options()
try:
miniterm = MiniTerm(device=options.device,
baudrate=to_int(options.baudrate),
logfile=options.logfile,
debug=options.debug)
miniterm.run(os.name in ('posix', ) and options.fullmode or False,
options.reset, options.select)
except (AssertionError, IOError, ValueError), e:
print >> sys.stderr, '\nError: %s' % e
if options.debug:
import traceback
print >> sys.stderr, traceback.format_exc()
sys.exit(1)
def open(self, devclass, scheme, vdict, pdict, default_vendor):
from serial import SerialException
if self._port is None:
raise SerialException("Port must be configured before use.")
portstr = self.portstr
if not portstr.startswith(scheme):
raise SerialException("Invalid URL")
plloc = portstr[len(scheme):].split('/')
plcomps = plloc[0].split(':') + [''] * 2
try:
plcomps[0] = vdict.get(plcomps[0], plcomps[0])
if plcomps[0]:
vendor = to_int(plcomps[0])
else:
vendor = None
product_ids = pdict.get(vendor, None)
if not product_ids:
product_ids = pdict[default_vendor]
plcomps[1] = product_ids.get(plcomps[1], plcomps[1])
if plcomps[1]:
product = to_int(plcomps[1])
else:
product = None
if not plloc[1]:
raise SerialException('Invalid device port')
if plloc[1] == '?':
show_devices = True
else:
interface = to_int(plloc[1])
show_devices = False
except (IndexError, ValueError):
raise SerialException('Invalid device URL')
sernum = None
idx = 0
if plcomps[2]:
try:
idx = to_int(plcomps[2])
if idx > 255:
idx = 0
raise ValueError
if idx:
idx -= 1
except ValueError:
sernum = plcomps[2]
try:
self.udev = devclass()
if not vendor or not product or sernum or idx:
# Need to enumerate USB devices to find a matching device
vendors = vendor and [vendor] or \
set(vdict.values())
vps = set()
for v in vendors:
products = pdict.get(v, [])
for p in products:
vps.add((v, products[p]))
devices = devclass.find_all(vps)
candidates = []
if sernum:
if sernum not in [dev[2] for dev in devices]:
raise SerialException("No USB device with S/N %s" % \
sernum)
for v, p, s, i, d in devices:
if s != sernum:
continue
if vendor and vendor != v:
continue
if product and product != p:
continue
candidates.append((v, p, s, i, d))
else:
for v, p, s, i, d in devices:
if vendor and vendor != v:
continue
if product and product != p:
continue
candidates.append((v, p, s, i, d))
if not show_devices:
try:
vendor, product, ifport, ifcount, description = \
candidates[idx]
except IndexError:
raise SerialException("No USB device #%d" % idx)
if show_devices:
self.show_devices(scheme, vdict, pdict, candidates)
raise SystemExit(candidates and \
'Please specify the USB device' or \
'No USB-Serial device has been detected')
if vendor not in pdict:
raise SerialException('Vendor ID 0x%04x not supported' % \
vendor)
if product not in pdict[vendor].values():
raise SerialException('Product ID 0x%04x not supported' % \
product)
self.udev.open(vendor, product, interface, idx, sernum)
except IOError:
raise SerialException('Unable to open USB port %s' % self.portstr)
self._isOpen = True
self._reconfigurePort()
self._product = product
def open(self, devclass, scheme, vdict, pdict, default_vendor):
from serial import SerialException
if self._port is None:
raise SerialException("Port must be configured before use.")
portstr = self.portstr
if not portstr.startswith(scheme):
raise SerialException("Invalid URL")
plloc = portstr[len(scheme):].split('/')
plcomps = plloc[0].split(':') + [''] * 2
try:
plcomps[0] = vdict.get(plcomps[0], plcomps[0])
if plcomps[0]:
vendor = to_int(plcomps[0])
else:
vendor = None
product_ids = pdict.get(vendor, None)
if not product_ids:
product_ids = pdict[default_vendor]
plcomps[1] = product_ids.get(plcomps[1], plcomps[1])
if plcomps[1]:
product = to_int(plcomps[1])
else:
product = None
if not plloc[1]:
raise SerialException('Invalid device port')
if plloc[1] == '?':
show_devices = True
else:
interface = to_int(plloc[1])
show_devices = False
except (IndexError, ValueError):
raise SerialException('Invalid device URL')
sernum = None
idx = 0
if plcomps[2]:
try:
idx = to_int(plcomps[2])
if idx > 255:
idx = 0
raise ValueError
if idx:
idx -= 1
except ValueError:
sernum = plcomps[2]
try:
self.udev = devclass()
if not vendor or not product or sernum or idx:
# Need to enumerate USB devices to find a matching device
vendors = vendor and [vendor] or \
set(vdict.values())
vps = set()
for v in vendors:
products = pdict.get(v, [])
for p in products:
vps.add((v, products[p]))
devices = devclass.find_all(vps)
candidates = []
if sernum:
if sernum not in [dev[2] for dev in devices]:
raise SerialException("No USB device with S/N %s" % \
sernum)
for v, p, s, i, d in devices:
if s != sernum:
continue
if vendor and vendor != v:
continue
if product and product != p:
continue
candidates.append((v, p, s, i, d))
else:
for v, p, s, i, d in devices:
if vendor and vendor != v:
continue
if product and product != p:
continue
candidates.append((v, p, s, i, d))
if not show_devices:
try:
vendor, product, ifport, ifcount, description = \
candidates[idx]
except IndexError:
raise SerialException("No USB device #%d" % idx)
if show_devices:
self.show_devices(scheme, vdict, pdict, candidates)
raise SystemExit(candidates and \
'Please specify the USB device' or \
'No USB-Serial device has been detected')
if vendor not in pdict:
raise SerialException('Vendor ID 0x%04x not supported' % \
vendor)
if product not in pdict[vendor].values():
raise SerialException('Product ID 0x%04x not supported' % \
product)
self.udev.open(vendor, product, interface, idx, sernum)
except IOError:
raise SerialException('Unable to open USB port %s' % self.portstr)
self._isOpen = True
self._reconfigurePort()
self._product = product
