# Copyright (c) 2009, Google 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 Google 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 CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import logging
import os
import platform
import re
import sys
import webbrowser
from blinkpy.common.system.executive import Executive
from blinkpy.common.system.filesystem import FileSystem
from blinkpy.common.system.platform_info import PlatformInfo
_log = logging.getLogger(__name__)
class User(object):
DEFAULT_NO = 'n'
DEFAULT_YES = 'y'
def __init__(self, platform_info=None):
# We cannot get the PlatformInfo object from a SystemHost because
# User is part of SystemHost itself.
self._platform_info = platform_info or PlatformInfo(
sys, platform, FileSystem(), Executive())
# FIXME: These are @classmethods because bugzilla.py doesn't have a Tool object (thus no User instance).
@classmethod
def prompt(cls, message, repeat=1, input_func=input):
response = None
while repeat and not response:
repeat -= 1
response = input_func(message)
return response
@classmethod
def _wait_on_list_response(cls, list_items, can_choose_multiple,
input_func):
while True:
if can_choose_multiple:
response = cls.prompt(
'Enter one or more numbers (comma-separated) or ranges (e.g. 3-7), or \'all\': ',
input_func=input_func)
if not response.strip() or response == 'all':
return list_items
try:
indices = []
for value in re.split(r"\s*,\s*", response):
parts = value.split('-')
if len(parts) == 2:
indices += range(int(parts[0]) - 1, int(parts[1]))
else:
indices.append(int(value) - 1)
except ValueError:
continue
return [list_items[i] for i in indices]
else:
try:
result = int(
cls.prompt('Enter a number: ',
input_func=input_func)) - 1
except ValueError:
continue
return list_items[result]
@classmethod
def prompt_with_list(cls,
list_title,
list_items,
can_choose_multiple=False,
input_func=input):
print(list_title)
i = 0
for item in list_items:
i += 1
print('%2d. %s' % (i, item))
return cls._wait_on_list_response(list_items, can_choose_multiple,
input_func)
def confirm(self, message=None, default=DEFAULT_YES, input_func=input):
if not message:
message = 'Continue?'
choices = {'y': 'Y/n', 'n': 'y/N'}[default]
try:
response = input_func('%s [%s]: ' % (message, choices))
except EOFError:
# EOF means either the user hit Ctrl+D or the piped-in stdin has no
# more to read. In the non-interactive case (e.g., on a bot), use
# the default as the response.
#
# See also: https://docs.python.org/3/library/functions.html#input
if self._platform_info.interactive:
raise
response = default
response = response.strip().lower()
if not response:
response = default
return response and response[0] == 'y'
def can_open_url(self):
# Check if dbus is already running. If dbus is not running, avoid taking
# actions which could cause it to be autolaunched. For example, chrome
# tends to autolaunch dbus: if this happens inside testing/xvfb.py, that
# often causes problems when the autolaunched dbus exits, as dbus sends
# a kill signal to all killable processes on exit (!!!).
if (self._platform_info.is_linux()
and 'DBUS_SESSION_BUS_ADDRESS' not in os.environ):
_log.warning('dbus is not running, not showing results...')
return False
try:
webbrowser.get()
return True
except webbrowser.Error:
_log.warning(
'Failed to get default browser, not showing results...')
return False
def open_url(self, url):
if not self.can_open_url():
return
webbrowser.open(url)
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