# 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 getpass import logging import os import platform import re import shlex import subprocess import sys import webbrowser from webkitpy.common.system.executive import Executive from webkitpy.common.system.platforminfo import PlatformInfo _log = logging.getLogger(__name__) try: import readline except ImportError: if not sys.platform.startswith('win32'): # There is no readline module for win32, not much to do except cry. _log.warn("Unable to import readline.") class User(object): DEFAULT_NO = 'n' DEFAULT_YES = 'y' def __init__(self, platforminfo=None): # We cannot get the PlatformInfo object from a SystemHost because # User is part of SystemHost itself. self._platforminfo = platforminfo or PlatformInfo(sys, platform, 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, raw_input=raw_input): response = None while (repeat and not response): repeat -= 1 response = raw_input(message) return response @classmethod def prompt_password(cls, message, repeat=1): return cls.prompt(message, repeat=repeat, raw_input=getpass.getpass) @classmethod def prompt_with_multiple_lists(cls, list_title, subtitles, lists, can_choose_multiple=False, raw_input=raw_input): item_index = 0 cumulated_list = [] print list_title for i in range(len(subtitles)): print "\n" + subtitles[i] for item in lists[i]: item_index += 1 print "%2d. %s" % (item_index, item) cumulated_list += lists[i] return cls._wait_on_list_response(cumulated_list, can_choose_multiple, raw_input) @classmethod def _wait_on_list_response(cls, list_items, can_choose_multiple, raw_input): while True: if can_choose_multiple: response = cls.prompt("Enter one or more numbers (comma-separated) or ranges (e.g. 3-7), or \"all\": ", raw_input=raw_input) if not response.strip() or response == "all": return list_items try: indices = [] for value in re.split("\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, err: continue return [list_items[i] for i in indices] else: try: result = int(cls.prompt("Enter a number: ", raw_input=raw_input)) - 1 except ValueError, err: continue return list_items[result] @classmethod def prompt_with_list(cls, list_title, list_items, can_choose_multiple=False, raw_input=raw_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, raw_input) def edit(self, files): editor = os.environ.get("EDITOR") or "vi" args = shlex.split(editor) # Note: Not thread safe: http://bugs.python.org/issue2320 try: subprocess.call(args + files) except OSError, e: _log.warn("There was a problem editing the ChangeLog using editor '%s': %s." % (editor, e)) def _warn_if_application_is_xcode(self, edit_application): if "Xcode" in edit_application: print "Instead of using Xcode.app, consider using EDITOR=\"xed --wait\"." def edit_changelog(self, files): edit_application = os.environ.get("CHANGE_LOG_EDIT_APPLICATION") if edit_application and self._platforminfo.is_mac(): # On Mac we support editing ChangeLogs using an application. args = shlex.split(edit_application) print "Using editor in the CHANGE_LOG_EDIT_APPLICATION environment variable." print "Please quit the editor application when done editing." self._warn_if_application_is_xcode(edit_application) subprocess.call(["open", "-W", "-n", "-a"] + args + files) return self.edit(files) def page(self, message): pager = os.environ.get("PAGER") or "less" try: # Note: Not thread safe: http://bugs.python.org/issue2320 child_process = subprocess.Popen([pager], stdin=subprocess.PIPE) child_process.communicate(input=message) except IOError, e: pass def confirm(self, message=None, default=DEFAULT_YES, raw_input=raw_input): if not message: message = "Continue?" choice = {'y': 'Y/n', 'n': 'y/N'}[default] response = raw_input("%s [%s]: " % (message, choice)) if not response: response = default return response.lower() == 'y' def can_open_url(self): try: webbrowser.get() return True except webbrowser.Error, e: return False def open_url(self, url): if not self.can_open_url(): _log.warn("Failed to open %s" % url) webbrowser.open(url)