iarg = len(args)
else:
# All other arguments are treated as scalars.
# Pass through argument class get() for validation, conversion, etc..
try:
value = arg.get(args[iarg])
except ArgumentException, e:
exceptions.append(e)
iarg += 1
if value is not None:
setattr(verb_opts, arg.name, value)
# Run the gauntlet of error disclosure. Abort and display usage as appropriate.
had_errors = 0
show_usage = False
if exceptions:
msg = 'Argument value %s:' % utility.pluralize('error', len(exceptions))
utility.error(msg, [e.message for e in exceptions])
had_errors += 1
if iarg < len(args):
self._abort('Extra arguments were provided:', args[iarg:])
had_errors += 1
show_usage = True
if missing:
fmt = '%%-%ds %%s' % max([len(o) for (o, h) in missing])
msg = 'Missing required %s:' % utility.pluralize('argument', len(missing))
utility.error(msg, [fmt % (o.upper(), h) for (o, h) in missing])
had_errors += 1
show_usage = True
if had_errors > 0:
if show_usage:
self._abort()
def process_verb_arguments(self, verb, verb_args, verb_opts):
"""
Validate the verb arguments. Check that required arguments are present
and populate verb_opts attributes with scalar values or lists (for
trailing arguments with max_count > 1).
"""
# Add fixed arguments passed in through the decorator to the verb object.
args = copy.copy(verb_args) + verb.command_arguments
# Set attributes for required arguments.
missing = []
exceptions = []
iarg = 0
nargs = verb.get_argument_count()
for arg in verb.iter_arguments():
# It's missing if we've exhausted all the arguments before
# exhausting all the argument specs, unless it's the last argument
# spec and it's optional.
if iarg > len(args) or (iarg == len(args) and arg.min_count > 0):
if not arg.optional:
missing.append((arg.name, arg.help))
else:
setattr(verb_opts, arg.name, None)
iarg += 1
else:
value = None
# The last argument can have repeated arguments. If more than
# one are allowed the values are put into a list.
if iarg == nargs - 1 and arg.max_count > 1:
if len(args) - iarg < arg.min_count:
utility.abort(
'A minimum of %d %s arguments are required.' %
(arg.min_count, arg.name.upper()))
if len(args) - iarg > arg.max_count:
utility.abort(
'A maximum of %d %s arguments are allowed.' %
(arg.max_count, arg.name.upper()))
# Pass through argument class get() for validation, conversion, etc..
# Skip bad values and report on them at the end.
value = []
for v in args[iarg:]:
try:
value.append(arg.get(v))
except ArgumentException as e:
exceptions.append(e)
iarg = len(args)
elif len(args) > 0:
# All other arguments are treated as scalars.
# Pass through argument class get() for validation, conversion, etc..
try:
value = arg.get(args[iarg])
except ArgumentException as e:
exceptions.append(e)
iarg += 1
if value is not None or arg.min_count == 0:
setattr(verb_opts, arg.name, value)
# Run the gauntlet of error disclosure. Abort and display usage as appropriate.
had_errors = 0
show_usage = False
if exceptions:
msg = 'Argument value %s:' % utility.pluralize(
'error', len(exceptions))
utility.error(msg, [str(e) for e in exceptions])
had_errors += 1
if iarg < len(args):
self._abort('Extra arguments were provided:', args[iarg:])
had_errors += 1
show_usage = True
if missing:
fmt = '%%-%ds %%s' % max([len(o) for (o, h) in missing])
msg = 'Missing required %s:' % utility.pluralize(
'argument', len(missing))
utility.error(msg, [fmt % (o.upper(), h) for (o, h) in missing])
had_errors += 1
show_usage = True
if had_errors > 0:
if show_usage:
self._abort()
sys.exit(1)
iarg = len(args)
elif len(args) > 0:
# All other arguments are treated as scalars.
# Pass through argument class get() for validation, conversion, etc..
try:
value = arg.get(args[iarg])
except ArgumentException, e:
exceptions.append(e)
iarg += 1
if value is not None or arg.min_count == 0:
setattr(verb_opts, arg.name, value)
# Run the gauntlet of error disclosure. Abort and display usage as appropriate.
had_errors = 0
show_usage = False
if exceptions:
msg = 'Argument value %s:' % utility.pluralize(
'error', len(exceptions))
utility.error(msg, [str(e) for e in exceptions])
had_errors += 1
if iarg < len(args):
self._abort('Extra arguments were provided:', args[iarg:])
had_errors += 1
show_usage = True
if missing:
fmt = '%%-%ds %%s' % max([len(o) for (o, h) in missing])
msg = 'Missing required %s:' % utility.pluralize(
'argument', len(missing))
utility.error(msg, [fmt % (o.upper(), h) for (o, h) in missing])
had_errors += 1
show_usage = True
if had_errors > 0:
if show_usage:
iarg = len(args)
elif len(args) > 0:
# All other arguments are treated as scalars.
# Pass through argument class get() for validation, conversion, etc..
try:
value = arg.get(args[iarg])
except ArgumentException, e:
exceptions.append(e)
iarg += 1
if value is not None or arg.min_count == 0:
setattr(verb_opts, arg.name, value)
# Run the gauntlet of error disclosure. Abort and display usage as appropriate.
had_errors = 0
show_usage = False
if exceptions:
msg = "Argument value %s:" % utility.pluralize("error", len(exceptions))
utility.error(msg, [str(e) for e in exceptions])
had_errors += 1
if iarg < len(args):
self._abort("Extra arguments were provided:", args[iarg:])
had_errors += 1
show_usage = True
if missing:
fmt = "%%-%ds %%s" % max([len(o) for (o, h) in missing])
msg = "Missing required %s:" % utility.pluralize("argument", len(missing))
utility.error(msg, [fmt % (o.upper(), h) for (o, h) in missing])
had_errors += 1
show_usage = True
if had_errors > 0:
if show_usage:
self._abort()