/usr/lib/python2.7/dist-packages/wstool/ui.py is in python-wstool 0.1.12-1.
This file is owned by root:root, with mode 0o644.
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#
# Copyright (c) 2009, Willow Garage, Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials provided
# with the distribution.
# * Neither the name of Willow Garage, Inc. nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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# POSSIBILITY OF SUCH DAMAGE.
import sys
class Ui(object):
"""
wrap user interaction, such that client libraries may provide own
implementation
"""
# For now, primarily define this for replacement in unittests
GLOBAL_UI = None
@staticmethod
def get_ui():
if Ui.GLOBAL_UI is None:
return Ui()
return Ui.GLOBAL_UI
@staticmethod
def set_ui(uiarg):
Ui.GLOBAL_UI = uiarg
def __init__(self):
pass
def get_backup_path(self):
"""Interactive function asking the user to choose a path for backup"""
backup_path = self.get_input("Please enter backup pathname: ")
print(("backing up to %s" % backup_path))
return backup_path
def get_input(self, prompt):
if sys.hexversion > 0x03000000:
return input(prompt)
else:
return raw_input(prompt)
def prompt_del_abort_retry(self,
prompt,
allow_skip=False,
allow_inplace=False):
"""
Interactive function asking the user to choose a conflict resolution
:param prompt: message to display, str
:param allow_skip: whether to display skip option, bool
:param inplace: whether to show option for inplace replacing (symlinks)
:return: user choice one of backup, delete, abort, inplace, skip
"""
valid_modes = ['(d)elete and replace',
'(a)bort']
if allow_inplace:
valid_modes.append('(i)nplace delete and replace at symlink')
else:
valid_modes.append('(b)ackup and replace')
if allow_skip:
valid_modes.append('(s)kip')
mode = ""
full_prompt = "%s\n %s: " % (prompt, ", ".join(valid_modes))
while mode == "":
mode_input = self.get_input(full_prompt)
if not allow_inplace and mode_input == 'b':
mode = 'backup'
elif mode_input == 'd':
mode = 'delete'
elif mode_input == 'a':
mode = 'abort'
elif allow_inplace and mode_input == 'i':
mode = 'inplace'
elif allow_skip and mode_input == 's':
mode = 'skip'
return mode
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