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#
# This file is part of Checkbox.
#
# Copyright 2008 Canonical Ltd.
#
# Checkbox is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Checkbox is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Checkbox. If not, see <http://www.gnu.org/licenses/>.
#
import re
import os
import pwd
import sys
import logging
import subprocess
import webbrowser
import gettext
from gettext import gettext as _
from checkbox.contrib.REThread import REThread
from checkbox.lib.environ import add_variable, get_variable, remove_variable
from checkbox.job import (FAIL, PASS, UNINITIATED,
UNRESOLVED, UNSUPPORTED, UNTESTED)
from checkbox.reactor import StopAllException
NEXT = 1
PREV = -1
YES_ANSWER = "yes"
NO_ANSWER = "no"
SKIP_ANSWER = "skip"
ALL_ANSWERS = [YES_ANSWER, NO_ANSWER, SKIP_ANSWER]
ANSWER_TO_STATUS = {
NO_ANSWER: FAIL,
YES_ANSWER: PASS,
SKIP_ANSWER: UNTESTED}
STATUS_TO_ANSWER = {
FAIL: NO_ANSWER,
PASS: YES_ANSWER,
UNINITIATED: SKIP_ANSWER,
UNRESOLVED: NO_ANSWER,
UNSUPPORTED: SKIP_ANSWER,
UNTESTED: SKIP_ANSWER}
class UserInterface(object):
"""Abstract base class for encapsulating the workflow and common code for
any user interface implementation (like GTK, Qt, or CLI).
A concrete subclass must implement all the abstract show_* methods."""
def __init__(self, title, data_path=None):
self.title = title
self.data_path = data_path
self.direction = NEXT
self.gettext_domain = "checkbox"
gettext.textdomain(self.gettext_domain)
def show_info(self, text, options=[], default=None):
logging.info(text)
return default
def show_error(self, text):
logging.error(text)
raise StopAllException, "Error: %s" % text
def show_progress(self, message, function, *args, **kwargs):
self.show_progress_start(message)
thread = REThread(target=function, name="progress",
args=args, kwargs=kwargs)
thread.start()
while thread.isAlive():
self.show_progress_pulse()
thread.join(0.1)
thread.exc_raise()
self.show_progress_stop()
return thread.return_value()
def show_progress_start(self, message):
return
def show_progress_stop(self):
return
def show_progress_pulse(self):
return
def show_text(self, text, previous=None, next=None):
return
def show_entry(self, text, value, previous=None, next=None):
return value
def show_check(self, text, options=[], default=[]):
return default
def show_radio(self, text, options=[], default=None):
return default
def show_tree(self, text, options={}, default={}):
return default
def show_test(self, test, runner):
test["status"] = UNTESTED
test["data"] = "Manual test run non interactively."
def show_url(self, url):
"""Open the given URL in a new browser window.
Display an error dialog if everything fails."""
(r, w) = os.pipe()
if os.fork() > 0:
os.close(w)
(pid, status) = os.wait()
if status:
text = _("Unable to start web browser to open %s." % url)
message = os.fdopen(r).readline()
if message:
text += "\n" + message
self.show_error(text)
try:
os.close(r)
except OSError:
pass
return
os.setsid()
os.close(r)
# If we are called through sudo, determine the real user id and run the
# browser with it to get the user's web browser settings.
try:
uid = int(get_variable("SUDO_UID"))
gid = int(get_variable("SUDO_GID"))
sudo_prefix = ["sudo", "-H", "-u", "#%s" % uid]
except (TypeError):
uid = os.getuid()
gid = None
sudo_prefix = []
# figure out appropriate web browser
try:
# if ksmserver is running, try kfmclient
try:
if os.getenv("DISPLAY") and \
subprocess.call(["pgrep", "-x", "-u", str(uid), "ksmserver"],
stdout=subprocess.PIPE, stderr=subprocess.PIPE) == 0:
subprocess.call(sudo_prefix + ["kfmclient", "openURL", url])
sys.exit(0)
except OSError:
pass
# if gnome-session is running, try gnome-open; special-case firefox
# (and more generally, mozilla browsers) and epiphany to open a new window
# with respectively -new-window and --new-window
try:
if os.getenv("DISPLAY") and \
subprocess.call(["pgrep", "-x", "-u", str(uid), "gnome-panel|gconfd-2"],
stdout=subprocess.PIPE, stderr=subprocess.PIPE) == 0:
gct = subprocess.Popen(sudo_prefix + ["gconftool", "--get",
"/desktop/gnome/url-handlers/http/command"],
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
if gct.wait() == 0:
preferred_browser = gct.communicate()[0]
browser = re.match("((firefox|seamonkey|flock)[^\s]*)", preferred_browser)
if browser:
subprocess.call(sudo_prefix + [browser.group(0), "-new-window", url])
sys.exit(0)
browser = re.match("(epiphany[^\s]*)", preferred_browser)
if browser:
subprocess.call(sudo_prefix + [browser.group(0), "--new-window", url])
sys.exit(0)
subprocess.call(sudo_prefix + [preferred_browser % url], shell=True)
sys.exit(0)
if subprocess.call(sudo_prefix + ["gnome-open", url]) == 0:
sys.exit(0)
except OSError:
pass
# fall back to webbrowser
if uid and gid:
os.setgroups([gid])
os.setgid(gid)
os.setuid(uid)
remove_variable("SUDO_USER")
add_variable("HOME", pwd.getpwuid(uid).pw_dir)
webbrowser.open(url, new=True, autoraise=True)
sys.exit(0)
except Exception, e:
os.write(w, str(e))
sys.exit(1)
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