def RunCommand(self):
(help_type_map, help_name_map) = self._LoadHelpMaps()
output = []
if not len(self.args):
output.append('%s\nAvailable commands:\n' % top_level_usage_string)
format_str = ' %-' + str(MAX_HELP_NAME_LEN) + 's%s\n'
for help_prov in sorted(help_type_map[HelpType.COMMAND_HELP],
key=lambda hp: hp.help_spec[HELP_NAME]):
output.append(format_str % (help_prov.help_spec[HELP_NAME],
help_prov.help_spec[HELP_ONE_LINE_SUMMARY]))
output.append('\nAdditional help topics:\n')
for help_prov in sorted(help_type_map[HelpType.ADDITIONAL_HELP],
key=lambda hp: hp.help_spec[HELP_NAME]):
output.append(format_str % (help_prov.help_spec[HELP_NAME],
help_prov.help_spec[HELP_ONE_LINE_SUMMARY]))
output.append('\nUse gsutil help <command or topic> for detailed help.')
else:
arg = self.args[0]
if arg not in help_name_map:
output.append('No help available for "%s"' % arg)
else:
help_prov = help_name_map[self.args[0]]
output.append('<B>NAME</B>\n')
output.append(' %s - %s\n' % (
help_prov.help_spec[HELP_NAME],
help_prov.help_spec[HELP_ONE_LINE_SUMMARY]))
output.append('\n\n')
output.append(help_prov.help_spec[HELP_TEXT].strip('\n'))
new_alias = OLD_ALIAS_MAP.get(arg, [None])[0]
if new_alias:
deprecation_warning = """
The "%s" alias is deprecated, and will eventually be removed completely.
Please use the "%s" command instead.""" % (arg, new_alias)
output.append('\n\n\n<B>DEPRECATION WARNING</B>\n')
output.append(deprecation_warning)
self._OutputHelp(''.join(output))
return 0
def RunCommand(self):
"""Command entry point for the help command."""
(help_type_map, help_name_map) = self._LoadHelpMaps()
output = []
if not self.args:
output.append('%s\nAvailable commands:\n' % top_level_usage_string)
format_str = ' %-' + str(MAX_HELP_NAME_LEN) + 's%s\n'
for help_prov in sorted(help_type_map['command_help'],
key=lambda hp: hp.help_spec.help_name):
output.append(format_str % (help_prov.help_spec.help_name,
help_prov.help_spec.help_one_line_summary))
output.append('\nAdditional help topics:\n')
for help_prov in sorted(help_type_map['additional_help'],
key=lambda hp: hp.help_spec.help_name):
output.append(format_str % (help_prov.help_spec.help_name,
help_prov.help_spec.help_one_line_summary))
output.append('\nUse gsutil help <command or topic> for detailed help.')
else:
invalid_subcommand = False
arg = self.args[0]
if arg not in help_name_map:
output.append('No help available for "%s"' % arg)
else:
help_prov = help_name_map[arg]
help_name = None
if len(self.args) > 1: # We also have a subcommand argument.
subcommand_map = help_prov.help_spec.subcommand_help_text
if subcommand_map and self.args[1] in subcommand_map:
help_name = arg + ' ' + self.args[1]
help_text = subcommand_map[self.args[1]]
else:
invalid_subcommand = True
if not subcommand_map:
output.append(
('The "%s" command has no subcommands. You can ask for the '
'full help by running:\n\n\tgsutil help %s\n') % (arg, arg))
else:
subcommand_examples = []
for subcommand in subcommand_map:
subcommand_examples.append('\tgsutil help %s %s' %
(arg, subcommand))
output.append(
('Subcommand "%s" does not exist for command "%s".\n'
'You can either ask for the full help about the command by '
'running:\n\n\tgsutil help %s\n\n'
'Or you can ask for help about one of the subcommands:\n\n%s'
) % (self.args[1], arg, arg, '\n'.join(subcommand_examples)))
if not invalid_subcommand:
if not help_name: # No subcommand or invalid subcommand.
help_name = help_prov.help_spec.help_name
help_text = help_prov.help_spec.help_text
output.append('<B>NAME</B>\n')
output.append(' %s - %s\n' %
(help_name, help_prov.help_spec.help_one_line_summary))
output.append('\n\n')
output.append(help_text.strip('\n'))
new_alias = OLD_ALIAS_MAP.get(arg, [None])[0]
if new_alias:
deprecation_warning = """
The "%s" alias is deprecated, and will eventually be removed completely.
Please use the "%s" command instead.""" % (arg, new_alias)
output.append('\n\n\n<B>DEPRECATION WARNING</B>\n')
output.append(deprecation_warning)
self._OutputHelp(''.join(output))
return 0
def RunNamedCommand(self, command_name, args=None, headers=None, debug=0,
parallel_operations=False, test_method=None,
skip_update_check=False, logging_filters=None,
do_shutdown=True):
"""Runs the named command.
Used by gsutil main, commands built atop other commands, and tests.
Args:
command_name: The name of the command being run.
args: Command-line args (arg0 = actual arg, not command name ala bash).
headers: Dictionary containing optional HTTP headers to pass to boto.
debug: Debug level to pass in to boto connection (range 0..3).
parallel_operations: Should command operations be executed in parallel?
test_method: Optional general purpose method for testing purposes.
Application and semantics of this method will vary by
command and test type.
skip_update_check: Set to True to disable checking for gsutil updates.
logging_filters: Optional list of logging.Filters to apply to this
command's logger.
do_shutdown: Stop all parallelism framework workers iff this is True.
Raises:
CommandException: if errors encountered.
Returns:
Return value(s) from Command that was run.
"""
if (not skip_update_check and
self.MaybeCheckForAndOfferSoftwareUpdate(command_name, debug)):
command_name = 'update'
args = ['-n']
if not args:
args = []
# Include api_version header in all commands.
api_version = boto.config.get_value('GSUtil', 'default_api_version', '1')
if not headers:
headers = {}
headers['x-goog-api-version'] = api_version
if command_name not in self.command_map:
close_matches = difflib.get_close_matches(
command_name, self.command_map.keys(), n=1)
if close_matches:
# Instead of suggesting a deprecated command alias, suggest the new
# name for that command.
translated_command_name = (
OLD_ALIAS_MAP.get(close_matches[0], close_matches)[0])
print >> sys.stderr, 'Did you mean this?'
print >> sys.stderr, '\t%s' % translated_command_name
raise CommandException('Invalid command "%s".' % command_name)
if '--help' in args:
new_args = [command_name]
original_command_class = self.command_map[command_name]
subcommands = original_command_class.help_spec.subcommand_help_text.keys()
for arg in args:
if arg in subcommands:
new_args.append(arg)
break # Take the first match and throw away the rest.
args = new_args
command_name = 'help'
args = HandleArgCoding(args)
command_class = self.command_map[command_name]
command_inst = command_class(
self, args, headers, debug, parallel_operations,
self.bucket_storage_uri_class, self.gsutil_api_class_map_factory,
test_method, logging_filters, command_alias_used=command_name)
return_code = command_inst.RunCommand()
if MultiprocessingIsAvailable()[0] and do_shutdown:
ShutDownGsutil()
if GetFailureCount() > 0:
return_code = 1
return return_code
def RunNamedCommand(self, command_name, args=None, headers=None, debug=0,
trace_token=None, parallel_operations=False,
skip_update_check=False, logging_filters=None,
do_shutdown=True, perf_trace_token=None,
user_project=None,
collect_analytics=False):
"""Runs the named command.
Used by gsutil main, commands built atop other commands, and tests.
Args:
command_name: The name of the command being run.
args: Command-line args (arg0 = actual arg, not command name ala bash).
headers: Dictionary containing optional HTTP headers to pass to boto.
debug: Debug level to pass in to boto connection (range 0..3).
trace_token: Trace token to pass to the underlying API.
parallel_operations: Should command operations be executed in parallel?
skip_update_check: Set to True to disable checking for gsutil updates.
logging_filters: Optional list of logging.Filters to apply to this
command's logger.
do_shutdown: Stop all parallelism framework workers iff this is True.
perf_trace_token: Performance measurement trace token to pass to the
underlying API.
user_project: The project to bill this request to.
collect_analytics: Set to True to collect an analytics metric logging this
command.
Raises:
CommandException: if errors encountered.
Returns:
Return value(s) from Command that was run.
"""
command_changed_to_update = False
if (not skip_update_check and
self.MaybeCheckForAndOfferSoftwareUpdate(command_name, debug)):
command_name = 'update'
command_changed_to_update = True
args = ['-n']
# Check for opt-in analytics.
if IsRunningInteractively() and collect_analytics:
metrics.CheckAndMaybePromptForAnalyticsEnabling()
if not args:
args = []
# Include api_version header in all commands.
api_version = boto.config.get_value('GSUtil', 'default_api_version', '1')
if not headers:
headers = {}
headers['x-goog-api-version'] = api_version
if command_name not in self.command_map:
close_matches = difflib.get_close_matches(
command_name, self.command_map.keys(), n=1)
if close_matches:
# Instead of suggesting a deprecated command alias, suggest the new
# name for that command.
translated_command_name = (
OLD_ALIAS_MAP.get(close_matches[0], close_matches)[0])
print >> sys.stderr, 'Did you mean this?'
print >> sys.stderr, '\t%s' % translated_command_name
elif command_name == 'update' and gslib.IS_PACKAGE_INSTALL:
sys.stderr.write(
'Update command is not supported for package installs; '
'please instead update using your package manager.')
raise CommandException('Invalid command "%s".' % command_name)
if '--help' in args:
new_args = [command_name]
original_command_class = self.command_map[command_name]
subcommands = original_command_class.help_spec.subcommand_help_text.keys()
for arg in args:
if arg in subcommands:
new_args.append(arg)
break # Take the first match and throw away the rest.
args = new_args
command_name = 'help'
HandleArgCoding(args)
HandleHeaderCoding(headers)
command_class = self.command_map[command_name]
command_inst = command_class(
self, args, headers, debug, trace_token, parallel_operations,
self.bucket_storage_uri_class, self.gsutil_api_class_map_factory,
logging_filters, command_alias_used=command_name,
perf_trace_token=perf_trace_token, user_project=user_project)
# Log the command name, command alias, and sub-options after being parsed by
# RunCommand and the command constructor. For commands with subcommands and
# suboptions, we need to log the suboptions again within the command itself
# because the command constructor will not parse the suboptions fully.
if collect_analytics:
metrics.LogCommandParams(command_name=command_inst.command_name,
sub_opts=command_inst.sub_opts,
command_alias=command_name)
return_code = command_inst.RunCommand()
if CheckMultiprocessingAvailableAndInit().is_available and do_shutdown:
ShutDownGsutil()
if GetFailureCount() > 0:
return_code = 1
if command_changed_to_update:
# If the command changed to update, the user's original command was
# not executed.
return_code = 1
print '\n'.join(textwrap.wrap(
'Update was successful. Exiting with code 1 as the original command '
'issued prior to the update was not executed and should be re-run.'))
return return_code
def RunNamedCommand(self,
command_name,
args=None,
headers=None,
debug=0,
trace_token=None,
parallel_operations=False,
skip_update_check=False,
logging_filters=None,
do_shutdown=True,
perf_trace_token=None,
user_project=None,
collect_analytics=False):
"""Runs the named command.
Used by gsutil main, commands built atop other commands, and tests.
Args:
command_name: The name of the command being run.
args: Command-line args (arg0 = actual arg, not command name ala bash).
headers: Dictionary containing optional HTTP headers to pass to boto.
debug: Debug level to pass in to boto connection (range 0..3).
trace_token: Trace token to pass to the underlying API.
parallel_operations: Should command operations be executed in parallel?
skip_update_check: Set to True to disable checking for gsutil updates.
logging_filters: Optional list of logging.Filters to apply to this
command's logger.
do_shutdown: Stop all parallelism framework workers iff this is True.
perf_trace_token: Performance measurement trace token to pass to the
underlying API.
user_project: The project to bill this request to.
collect_analytics: Set to True to collect an analytics metric logging this
command.
Raises:
CommandException: if errors encountered.
Returns:
Return value(s) from Command that was run.
"""
command_changed_to_update = False
if (not skip_update_check and self.MaybeCheckForAndOfferSoftwareUpdate(
command_name, debug)):
command_name = 'update'
command_changed_to_update = True
args = ['-n']
# Check for opt-in analytics.
if system_util.IsRunningInteractively() and collect_analytics:
metrics.CheckAndMaybePromptForAnalyticsEnabling()
if not args:
args = []
# Include api_version header in all commands.
api_version = boto.config.get_value('GSUtil', 'default_api_version',
'1')
if not headers:
headers = {}
headers['x-goog-api-version'] = api_version
if command_name not in self.command_map:
close_matches = difflib.get_close_matches(command_name,
self.command_map.keys(),
n=1)
if close_matches:
# Instead of suggesting a deprecated command alias, suggest the new
# name for that command.
translated_command_name = (OLD_ALIAS_MAP.get(
close_matches[0], close_matches)[0])
print >> sys.stderr, 'Did you mean this?'
print >> sys.stderr, '\t%s' % translated_command_name
elif command_name == 'update' and gslib.IS_PACKAGE_INSTALL:
sys.stderr.write(
'Update command is not supported for package installs; '
'please instead update using your package manager.')
raise CommandException('Invalid command "%s".' % command_name)
if '--help' in args:
new_args = [command_name]
original_command_class = self.command_map[command_name]
subcommands = original_command_class.help_spec.subcommand_help_text.keys(
)
for arg in args:
if arg in subcommands:
new_args.append(arg)
break # Take the first match and throw away the rest.
args = new_args
command_name = 'help'
HandleArgCoding(args)
HandleHeaderCoding(headers)
command_class = self.command_map[command_name]
command_inst = command_class(self,
args,
headers,
debug,
trace_token,
parallel_operations,
self.bucket_storage_uri_class,
self.gsutil_api_class_map_factory,
logging_filters,
command_alias_used=command_name,
perf_trace_token=perf_trace_token,
user_project=user_project)
# Log the command name, command alias, and sub-options after being parsed by
# RunCommand and the command constructor. For commands with subcommands and
# suboptions, we need to log the suboptions again within the command itself
# because the command constructor will not parse the suboptions fully.
if collect_analytics:
metrics.LogCommandParams(command_name=command_inst.command_name,
sub_opts=command_inst.sub_opts,
command_alias=command_name)
return_code = command_inst.RunCommand()
if CheckMultiprocessingAvailableAndInit().is_available and do_shutdown:
ShutDownGsutil()
if GetFailureCount() > 0:
return_code = 1
if command_changed_to_update:
# If the command changed to update, the user's original command was
# not executed.
return_code = 1
print '\n'.join(
textwrap.wrap(
'Update was successful. Exiting with code 1 as the original command '
'issued prior to the update was not executed and should be re-run.'
))
return return_code
def RunCommand(self):
"""Command entry point for the help command."""
(help_type_map, help_name_map) = self._LoadHelpMaps()
output = []
if not self.args:
output.append("%s\nAvailable commands:\n" % top_level_usage_string)
format_str = " %-" + str(MAX_HELP_NAME_LEN) + "s%s\n"
for help_prov in sorted(help_type_map["command_help"], key=lambda hp: hp.help_spec.help_name):
output.append(format_str % (help_prov.help_spec.help_name, help_prov.help_spec.help_one_line_summary))
output.append("\nAdditional help topics:\n")
for help_prov in sorted(help_type_map["additional_help"], key=lambda hp: hp.help_spec.help_name):
output.append(format_str % (help_prov.help_spec.help_name, help_prov.help_spec.help_one_line_summary))
output.append("\nUse gsutil help <command or topic> for detailed help.")
else:
invalid_subcommand = False
arg = self.args[0]
if arg not in help_name_map:
output.append('No help available for "%s"' % arg)
else:
help_prov = help_name_map[arg]
help_name = None
if len(self.args) > 1: # We also have a subcommand argument.
subcommand_map = help_prov.help_spec.subcommand_help_text
if subcommand_map and self.args[1] in subcommand_map:
help_name = arg + " " + self.args[1]
help_text = subcommand_map[self.args[1]]
else:
invalid_subcommand = True
if not subcommand_map:
output.append(
(
'The "%s" command has no subcommands. You can ask for the '
"full help by running:\n\n\tgsutil help %s\n"
)
% (arg, arg)
)
else:
subcommand_examples = []
for subcommand in subcommand_map:
subcommand_examples.append("\tgsutil help %s %s" % (arg, subcommand))
output.append(
(
'Subcommand "%s" does not exist for command "%s".\n'
"You can either ask for the full help about the command by "
"running:\n\n\tgsutil help %s\n\n"
"Or you can ask for help about one of the subcommands:\n\n%s"
)
% (self.args[1], arg, arg, "\n".join(subcommand_examples))
)
if not invalid_subcommand:
if not help_name: # No subcommand or invalid subcommand.
help_name = help_prov.help_spec.help_name
help_text = help_prov.help_spec.help_text
output.append("<B>NAME</B>\n")
output.append(" %s - %s\n" % (help_name, help_prov.help_spec.help_one_line_summary))
output.append("\n\n")
output.append(help_text.strip("\n"))
new_alias = OLD_ALIAS_MAP.get(arg, [None])[0]
if new_alias:
deprecation_warning = """
The "%s" alias is deprecated, and will eventually be removed completely.
Please use the "%s" command instead.""" % (
arg,
new_alias,
)
output.append("\n\n\n<B>DEPRECATION WARNING</B>\n")
output.append(deprecation_warning)
self._OutputHelp("".join(output))
return 0
def RunNamedCommand(self, command_name, args=None, headers=None, debug=0,
parallel_operations=False, test_method=None,
skip_update_check=False, logging_filters=None,
do_shutdown=True):
"""Runs the named command.
Used by gsutil main, commands built atop other commands, and tests.
Args:
command_name: The name of the command being run.
args: Command-line args (arg0 = actual arg, not command name ala bash).
headers: Dictionary containing optional HTTP headers to pass to boto.
debug: Debug level to pass in to boto connection (range 0..3).
parallel_operations: Should command operations be executed in parallel?
test_method: Optional general purpose method for testing purposes.
Application and semantics of this method will vary by
command and test type.
skip_update_check: Set to True to disable checking for gsutil updates.
logging_filters: Optional list of logging.Filters to apply to this
command's logger.
do_shutdown: Stop all parallelism framework workers iff this is True.
Raises:
CommandException: if errors encountered.
Returns:
Return value(s) from Command that was run.
"""
if (not skip_update_check and
self.MaybeCheckForAndOfferSoftwareUpdate(command_name, debug)):
command_name = 'update'
args = ['-n']
if not args:
args = []
# Include api_version header in all commands.
api_version = boto.config.get_value('GSUtil', 'default_api_version', '1')
if not headers:
headers = {}
headers['x-goog-api-version'] = api_version
if command_name not in self.command_map:
close_matches = difflib.get_close_matches(
command_name, self.command_map.keys(), n=1)
if close_matches:
# Instead of suggesting a deprecated command alias, suggest the new
# name for that command.
translated_command_name = (
OLD_ALIAS_MAP.get(close_matches[0], close_matches)[0])
print >> sys.stderr, 'Did you mean this?'
print >> sys.stderr, '\t%s' % translated_command_name
raise CommandException('Invalid command "%s".' % command_name)
if '--help' in args:
new_args = [command_name]
original_command_class = self.command_map[command_name]
subcommands = original_command_class.help_spec.subcommand_help_text.keys()
for arg in args:
if arg in subcommands:
new_args.append(arg)
break # Take the first match and throw away the rest.
args = new_args
command_name = 'help'
args = HandleArgCoding(args)
command_class = self.command_map[command_name]
command_inst = command_class(
self, args, headers, debug, parallel_operations,
self.bucket_storage_uri_class, self.gsutil_api_class_map_factory,
test_method, logging_filters, command_alias_used=command_name)
return_code = command_inst.RunCommand()
if MultiprocessingIsAvailable()[0] and do_shutdown:
ShutDownGsutil()
if GetFailureCount() > 0:
return_code = 1
return return_code
def RunNamedCommand(self, command_name, args=None, headers=None, debug=0,
parallel_operations=False, test_method=None,
skip_update_check=False, logging_filters=None):
"""Runs the named command. Used by gsutil main, commands built atop
other commands, and tests .
Args:
command_name: The name of the command being run.
args: Command-line args (arg0 = actual arg, not command name ala bash).
headers: Dictionary containing optional HTTP headers to pass to boto.
debug: Debug level to pass in to boto connection (range 0..3).
parallel_operations: Should command operations be executed in parallel?
test_method: Optional general purpose method for testing purposes.
Application and semantics of this method will vary by
command and test type.
skip_update_check: Set to True to disable checking for gsutil updates.
logging_filters: Optional list of logging.Filters to apply to this
command's logger.
Raises:
CommandException: if errors encountered.
"""
ConfigureNoOpAuthIfNeeded()
if (not skip_update_check and
self._MaybeCheckForAndOfferSoftwareUpdate(command_name, debug)):
command_name = 'update'
args = ['-n']
if not args:
args = []
# Include api_version header in all commands.
api_version = boto.config.get_value('GSUtil', 'default_api_version', '1')
if not headers:
headers = {}
headers['x-goog-api-version'] = api_version
if command_name not in self.command_map:
close_matches = difflib.get_close_matches(
command_name, self.command_map.keys(), n=1)
if len(close_matches):
# Instead of suggesting a deprecated command alias, suggest the new
# name for that command.
translated_command_name = (
OLD_ALIAS_MAP.get(close_matches[0], close_matches)[0])
print >> sys.stderr, 'Did you mean this?'
print >> sys.stderr, '\t%s' % translated_command_name
raise CommandException('Invalid command "%s".' % command_name)
if '--help' in args:
args = [command_name]
command_name = 'help'
# Python passes arguments from the command line as byte strings. To
# correctly interpret them, we decode them as utf-8 here.
args = [a.decode('utf-8') for a in args]
command_class = self.command_map[command_name]
command_inst = command_class(
self, args, headers, debug, parallel_operations, self.config_file_list,
self.bucket_storage_uri_class, test_method, logging_filters,
command_alias_used=command_name)
return command_inst.RunCommand()
def RunCommand(self):
(help_type_map, help_name_map) = self._LoadHelpMaps()
output = []
if not len(self.args):
output.append('%s\nAvailable commands:\n' % top_level_usage_string)
format_str = ' %-' + str(MAX_HELP_NAME_LEN) + 's%s\n'
for help_prov in sorted(help_type_map[HelpType.COMMAND_HELP],
key=lambda hp: hp.help_spec[HELP_NAME]):
output.append(format_str % (help_prov.help_spec[HELP_NAME],
help_prov.help_spec[HELP_ONE_LINE_SUMMARY]))
output.append('\nAdditional help topics:\n')
for help_prov in sorted(help_type_map[HelpType.ADDITIONAL_HELP],
key=lambda hp: hp.help_spec[HELP_NAME]):
output.append(format_str % (help_prov.help_spec[HELP_NAME],
help_prov.help_spec[HELP_ONE_LINE_SUMMARY]))
output.append('\nUse gsutil help <command or topic> for detailed help.')
else:
invalid_subcommand = False
arg = self.args[0]
if arg not in help_name_map:
output.append('No help available for "%s"' % arg)
else:
help_prov = help_name_map[arg]
help_name = None
if len(self.args) > 1: # We also have a subcommand argument.
subcommand_map = help_prov.help_spec.get(SUBCOMMAND_HELP_TEXT, None)
if subcommand_map and self.args[1] in subcommand_map:
help_name = arg + ' ' + self.args[1]
help_text = subcommand_map[self.args[1]]
else:
invalid_subcommand = True
if not subcommand_map:
output.append((
'The "%s" command has no subcommands. You can ask for the ' +
'full help by running:\n\n\tgsutil help %s\n') %
(arg, arg))
else:
subcommand_examples = []
for subcommand in subcommand_map:
subcommand_examples.append(
'\tgsutil help %s %s' % (arg, subcommand))
output.append(
('Subcommand "%s" does not exist for command "%s".\n' +
'You can either ask for the full help about the command by ' +
'running:\n\n\tgsutil help %s\n\n'
'Or you can ask for help about one of the subcommands:\n\n%s'
) % (self.args[1], arg, arg, '\n'.join(subcommand_examples)))
if not invalid_subcommand:
if not help_name: # No subcommand or invalid subcommand.
help_name = help_prov.help_spec[HELP_NAME]
help_text = help_prov.help_spec[HELP_TEXT]
output.append('<B>NAME</B>\n')
output.append(' %s - %s\n' %
(help_name, help_prov.help_spec[HELP_ONE_LINE_SUMMARY]))
output.append('\n\n')
output.append(help_text.strip('\n'))
new_alias = OLD_ALIAS_MAP.get(arg, [None])[0]
if new_alias:
deprecation_warning = """
The "%s" alias is deprecated, and will eventually be removed completely.
Please use the "%s" command instead.""" % (arg, new_alias)
output.append('\n\n\n<B>DEPRECATION WARNING</B>\n')
output.append(deprecation_warning)
self._OutputHelp(''.join(output))
return 0