Current File : //usr/lib/python3/dist-packages/aptdaemon/progress.py
#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""Progress handlers for APT operations"""
# Copyright (C) 2008-2009 Sebastian Heinlein <glatzor@ubuntu.com>
#
# Licensed under the GNU General Public License Version 2
#
# This program 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 2 of the License, or
# (at your option) any later version.
__author__ = "Sebastian Heinlein <devel@glatzor.de>"
__all__ = ("DaemonAcquireProgress", "DaemonOpenProgress",
"DaemonInstallProgress", "DaemonDpkgInstallProgress",
"DaemonForkProgress", "DaemonDpkgRecoverProgress")
import locale
import logging
import os
import platform
import re
import signal
import sys
import termios
import time
import traceback
import tty
import apt_pkg
import apt.progress.base
import apt.debfile
from gi.repository import GLib
from . import enums
from . import lock
from .loop import mainloop
from .utils import IsoCodes
# Required to get translatable strings extraced by xgettext
_ = lambda s: s
log = logging.getLogger("AptDaemon.Worker")
log_terminal = logging.getLogger("AptDaemon.Worker.Terminal")
INSTALL_TIMEOUT = 10 * 60
MAP_DPKG_STAGE = {"install": enums.PKG_INSTALLING,
"configure": enums.PKG_CONFIGURING,
"remove": enums.PKG_REMOVING,
"trigproc": enums.PKG_RUNNING_TRIGGER,
"purge": enums.PKG_PURGING,
"disappear": enums.PKG_DISAPPEARING,
"upgrade": enums.PKG_UPGRADING}
REGEX_ANSI_ESCAPE_CODE = chr(27) + "\[[;?0-9]*[A-Za-z]"
class DaemonOpenProgress(apt.progress.base.OpProgress):
"""Handles the progress of the cache opening."""
def __init__(self, transaction, begin=0, end=100, quiet=False):
"""Initialize a new DaemonOpenProgress instance.
Keyword arguments:
transaction -- corresponding transaction D-Bus object
begin -- begin of the progress range (defaults to 0)
end -- end of the progress range (defaults to 100)
quiet -- do not emit any progress information for the transaction
"""
apt.progress.base.OpProgress.__init__(self)
self._transaction = transaction
self.steps = [begin + (end - begin) * modifier
# the final 1.00 will not be used but we still
# need it here for the final pop()
for modifier in [0.25, 0.50, 0.75, 1.00, 1.00]]
self.progress_begin = float(begin)
self.progress_end = self.steps.pop(0)
self.progress = 0
self.quiet = quiet
def update(self, percent=None):
"""Callback for progress updates.
Keyword argument:
percent - current progress in percent
"""
# python-apt 0.8 does not include "percent" anymore in the call
percent = percent or self.percent
if percent < 101:
progress = int(self.progress_begin + (percent / 100) *
(self.progress_end - self.progress_begin))
if self.progress == progress:
return
else:
progress = 101
self.progress = progress
if not self.quiet:
self._transaction.progress = progress
def done(self):
"""Callback after completing a step.
Sets the progress range to the next interval."""
# ensure that progress is updated
self.progress = self.progress_end
# switch to new progress_{begin, end}
self.progress_begin = self.progress_end
try:
self.progress_end = self.steps.pop(0)
except:
log.warning("An additional step to open the cache is required")
class DaemonAcquireProgress(apt.progress.base.AcquireProgress):
'''
Handle the package download process
'''
def __init__(self, transaction, begin=0, end=100):
apt.progress.base.AcquireProgress.__init__(self)
self.transaction = transaction
self.progress_end = end
self.progress_begin = begin
self.progress = 0
def _emit_acquire_item(self, item, total_size=0, current_size=0):
if item.owner.status == apt_pkg.AcquireItem.STAT_DONE:
status = enums.DOWNLOAD_DONE
# Workaround for a bug in python-apt, see lp: #581886
current_size = item.owner.filesize
elif item.owner.status == apt_pkg.AcquireItem.STAT_AUTH_ERROR:
status = enums.DOWNLOAD_AUTH_ERROR
elif item.owner.status == apt_pkg.AcquireItem.STAT_FETCHING:
status = enums.DOWNLOAD_FETCHING
elif item.owner.status == apt_pkg.AcquireItem.STAT_ERROR:
status = enums.DOWNLOAD_ERROR
elif item.owner.status == apt_pkg.AcquireItem.STAT_IDLE:
status = enums.DOWNLOAD_IDLE
else:
# Workaround: The StatTransientNetworkError status isn't mapped
# by python-apt, see LP #602578
status = enums.DOWNLOAD_NETWORK_ERROR
if (item.owner.status != apt_pkg.AcquireItem.STAT_DONE and
item.owner.error_text):
msg = item.owner.error_text
elif item.owner.mode:
msg = item.owner.mode
else:
msg = ""
self.transaction.progress_download = (
item.uri, status, item.shortdesc,
total_size | item.owner.filesize,
current_size | item.owner.partialsize,
msg)
def _emit_status_details(self, items):
"""Emit the transaction status details."""
names = set()
for item in items:
if item.owner.id:
names.add(item.owner.id)
else:
names.add(item.shortdesc)
if names:
# TRANSLATORS: %s is a list of package names
msg = self.transaction.ngettext("Downloading %(files)s",
"Downloading %(files)s",
len(items)) % {"files":
" ".join(names)}
self.transaction.status_details = msg
def done(self, item):
"""Invoked when an item is successfully and completely fetched."""
self._emit_acquire_item(item)
def fail(self, item):
"""Invoked when an item could not be fetched."""
self._emit_acquire_item(item)
def fetch(self, item):
"""Invoked when some of the item's data is fetched."""
self._emit_acquire_item(item)
def ims_hit(self, item):
"""Invoked when an item is confirmed to be up-to-date.
Invoked when an item is confirmed to be up-to-date. For instance,
when an HTTP download is informed that the file on the server was
not modified.
"""
self._emit_acquire_item(item)
def pulse(self, owner):
"""Callback to update progress information"""
if self.transaction.cancelled:
return False
self.transaction.progress_details = (self.current_items,
self.total_items,
self.current_bytes,
self.total_bytes,
self.current_cps,
self.elapsed_time)
percent = (((self.current_bytes + self.current_items) * 100.0) /
float(self.total_bytes + self.total_items))
progress = int(self.progress_begin + percent / 100 *
(self.progress_end - self.progress_begin))
# If the progress runs backwards emit an illegal progress value
# e.g. during cache updates.
if self.progress > progress:
self.transaction.progress = 101
else:
self.transaction.progress = progress
self.progress = progress
# Show all currently downloaded files
items = []
for worker in owner.workers:
if not worker.current_item:
continue
self._emit_acquire_item(worker.current_item,
worker.total_size,
worker.current_size)
items.append(worker.current_item)
self._emit_status_details(items)
while GLib.main_context_default().pending():
GLib.main_context_default().iteration()
return True
def start(self):
"""Callback at the beginning of the operation"""
self.transaction.status = enums.STATUS_DOWNLOADING
self.transaction.cancellable = True
def stop(self):
"""Callback at the end of the operation"""
self.transaction.progress_details = (0, 0, 0, 0, 0.0, 0)
self.transaction.progress = self.progress_end
self.transaction.cancellable = False
def media_change(self, medium, drive):
"""Callback for media changes"""
self.transaction.required_medium = medium, drive
self.transaction.paused = True
self.transaction.status = enums.STATUS_WAITING_MEDIUM
while self.transaction.paused:
GLib.main_context_default().iteration()
self.transaction.status = enums.STATUS_DOWNLOADING
if self.transaction.cancelled:
return False
return True
class DaemonAcquireRepoProgress(DaemonAcquireProgress):
"""Handle the repository information download"""
def __init__(self, transaction, begin=0, end=100):
DaemonAcquireProgress.__init__(self, transaction, begin, end)
self.languages = IsoCodes("iso_639", tag="iso_639_1_code",
fallback_tag="iso_639_2T_code")
self.regions = IsoCodes("iso_3166", "alpha_2_code")
self.progress = 101
def start(self):
"""Callback at the beginning of the operation"""
self.transaction.status = enums.STATUS_DOWNLOADING_REPO
self.transaction.cancellable = True
def _emit_status_details(self, items):
"""Emit the transaction status details."""
repos = set()
for item in items:
# We are only interested in the hostname currently
try:
repos.add(item.description.split()[0].split("://")[-1])
except IndexError:
# TRANSLATORS: the string is used as a fallback if we cannot
# get the URI of a local repository
repos.add(self.transaction.gettext("local repository"))
if repos:
# TRANSLATORS: %s is a list of repository names
msg = self.transaction.ngettext("Downloading from %s",
"Downloading from %s",
len(repos)) % " ".join(repos)
self.transaction.status_details = msg
def _emit_acquire_item(self, item, total_size=0, current_size=0):
if item.owner.status == apt_pkg.AcquireItem.STAT_DONE:
status = enums.DOWNLOAD_DONE
# Workaround for a bug in python-apt, see lp: #581886
current_size = item.owner.filesize
elif item.owner.status == apt_pkg.AcquireItem.STAT_AUTH_ERROR:
status = enums.DOWNLOAD_AUTH_ERROR
elif item.owner.status == apt_pkg.AcquireItem.STAT_FETCHING:
status = enums.DOWNLOAD_FETCHING
elif item.owner.status == apt_pkg.AcquireItem.STAT_ERROR:
status = enums.DOWNLOAD_ERROR
elif item.owner.status == apt_pkg.AcquireItem.STAT_IDLE:
status = enums.DOWNLOAD_IDLE
else:
# Workaround: The StatTransientNetworkError status isn't mapped
# by python-apt, see LP #602578
status = enums.DOWNLOAD_NETWORK_ERROR
if (item.owner.status != apt_pkg.AcquireItem.STAT_DONE and
item.owner.error_text):
msg = item.owner.error_text
elif item.owner.mode:
msg = item.owner.mode
else:
msg = ""
# Get a better description than e.g. Packages or Sources
host, dist = item.description.split()[0:2]
try:
host = host.split("://")[1]
except IndexError:
# TRANSLATORS: the string is used as a fallback if we cannot
# get the URI of a local repository
desc = self.transaction.gettext("local repository")
repo = "%s %s" % (host, dist)
if item.shortdesc == "InRelease":
# TRANSLATORS: repo is the name of a repository
desc = self.transaction.gettext("Structure of %s") % repo
elif item.shortdesc == "Release":
# TRANSLATORS: repo is the name of a repository
desc = self.transaction.gettext("Description of %s") % repo
elif item.shortdesc == "Release.gpg":
# TRANSLATORS: repo is the name of a repository
desc = self.transaction.gettext("Description signature "
"of %s") % repo
elif item.shortdesc.startswith("Packages"):
# TRANSLATORS: repo is the name of a repository
desc = self.transaction.gettext(
"Available packages from %s") % repo
elif item.shortdesc.startswith("Sources"):
# TRANSLATORS: repo is the name of a repository
desc = self.transaction.gettext(
"Available sources from %s") % repo
elif item.shortdesc == "TranslationIndex":
# TRANSLATORS: repo is the name of a repository
desc = self.transaction.gettext("Available translations from "
"%s") % repo
elif item.shortdesc.startswith("Translation-"):
lang_code = item.shortdesc.split("-", 1)[-1]
try:
lang_code, region_code = lang_code.split("_")
except ValueError:
region_code = None
lang = self.languages.get_localised_name(lang_code,
self.transaction.locale)
region = self.regions.get_localised_name(region_code,
self.transaction.locale)
if lang and region:
# TRANSLATORS: The first %s is the name of a language. The
# second one the name of the region/country. Th
# third %s is the name of the repository
desc = self.transaction.gettext(
"Translations for %s (%s) from %s") % (lang, region, repo)
elif lang:
# TRANSLATORS: %s is the name of a language. The second one is
# the name of the repository
desc = self.transaction.gettext("Translations for %s from "
"%s") % (lang, repo)
else:
# TRANSLATORS: %s is the code of a language, e.g. ru_RU.
# The second one is the name of the repository
desc = self.transaction.gettext("Translations (%s) from "
"%s") % (lang_code, repo)
else:
desc = item.shortdesc
self.transaction.progress_download = (
item.uri, status, desc, total_size | item.owner.filesize,
current_size | item.owner.partialsize, msg)
class DaemonForkProgress(object):
"""Forks and executes a given method in the child process while
monitoring the output and return state.
During the run() call the mainloop will be iterated.
Furthermore a status file descriptor is available to communicate
with the child process.
"""
def __init__(self, transaction, begin=50, end=100):
self.transaction = transaction
self.status = ""
self.progress = 0
self.progress_begin = begin
self.progress_end = end
self._child_exit = -1
self.last_activity = 0
self.child_pid = 0
self.status_parent_fd, self.status_child_fd = os.pipe()
if hasattr(os, "set_inheritable"):
os.set_inheritable(self.status_parent_fd, True)
os.set_inheritable(self.status_child_fd, True)
self.output = ""
self._line_buffer = ""
def __enter__(self):
self.start_update()
return self
def __exit__(self, etype, evalue, etb):
self.finish_update()
def start_update(self):
log.debug("Start update")
self.transaction.status = enums.STATUS_COMMITTING
self.transaction.term_attached = True
self.last_activity = time.time()
self.start_time = time.time()
def finish_update(self):
"""Callback at the end of the operation"""
self.transaction.term_attached = False
def _child(self, method, *args):
"""Call the given method or function with the
corrsponding arguments in the child process.
This method should be replace in subclasses.
"""
method(*args)
time.sleep(0.5)
os._exit(0)
def run(self, *args, **kwargs):
"""Setup monitoring, fork and call the self._child() method in the
child process with the given arguments.
"""
log.debug("Run")
terminal_fd = None
if self.transaction.terminal:
try:
# Save the settings of the transaction terminal and set to
# raw mode
terminal_fd = os.open(self.transaction.terminal,
os.O_RDWR | os.O_NOCTTY | os.O_NONBLOCK)
terminal_attr = termios.tcgetattr(terminal_fd)
tty.setraw(terminal_fd, termios.TCSANOW)
except (OSError, termios.error):
# Switch to non-interactive
self.transaction.terminal = ""
pid = self._fork()
if pid == 0:
os.close(self.status_parent_fd)
try:
self._setup_child()
self._child(*args, **kwargs)
except Exception:
traceback.print_exc()
finally:
# Give the parent process enough time to catch the output
time.sleep(1)
# Abort the subprocess immediatelly on any unhandled
# failure - otherwise the atexit methods would
# be called, e.g. the frozen status decorator
os._exit(apt_pkg.PackageManager.RESULT_FAILED)
else:
self.child_pid = pid
os.close(self.status_child_fd)
log.debug("Child pid: %s", pid)
watchers = []
flags = GLib.IO_IN | GLib.IO_ERR | GLib.IO_HUP
if self.transaction.terminal:
# Setup copying of i/o between the controlling terminals
watchers.append(GLib.io_add_watch(terminal_fd,
GLib.PRIORITY_HIGH_IDLE,
flags,
self._copy_io))
watchers.append(GLib.io_add_watch(self.master_fd,
GLib.PRIORITY_HIGH_IDLE, flags,
self._copy_io_master, terminal_fd))
# Monitor the child process
watchers.append(
GLib.child_watch_add(GLib.PRIORITY_HIGH_IDLE,
pid, self._on_child_exit))
# Watch for status updates
watchers.append(GLib.io_add_watch(self.status_parent_fd,
GLib.PRIORITY_HIGH_IDLE,
GLib.IO_IN,
self._on_status_update))
while self._child_exit == -1:
GLib.main_context_default().iteration()
for id in watchers:
GLib.source_remove(id)
# Restore the settings of the transaction terminal
if terminal_fd:
try:
termios.tcsetattr(terminal_fd, termios.TCSADRAIN,
terminal_attr)
except termios.error:
pass
# Make sure all file descriptors are closed
for fd in [self.master_fd, self.status_parent_fd, terminal_fd]:
try:
os.close(fd)
except (OSError, TypeError):
pass
return os.WEXITSTATUS(self._child_exit)
def _on_child_exit(self, pid, condition):
log.debug("Child exited: %s", condition)
self._child_exit = condition
return False
def _on_status_update(self, source, condition):
"""Callback for changes on the status file descriptor.
The method has to return True to keep the monitoring alive. If
it returns False the monitoring will stop.
Replace this method in your subclass if you use the status fd.
"""
return False
def _fork(self):
"""Fork and create a master/slave pty pair by which the forked process
can be controlled.
"""
pid, self.master_fd = os.forkpty()
return pid
def _setup_child(self):
"""Setup the environment of the child process."""
def interrupt_handler(signum, frame):
# Exit the child immediately if we receive the interrupt
# signal or a Ctrl+C - otherwise the atexit methods would
# be called, e.g. the frozen status decorator
os._exit(apt_pkg.PackageManager.RESULT_FAILED)
signal.signal(signal.SIGINT, interrupt_handler)
# Make sure that exceptions of the child are not caught by apport
sys.excepthook = sys.__excepthook__
mainloop.quit()
# force terminal messages in dpkg to be untranslated, the
# status-fd or debconf prompts will not be affected
os.environ["DPKG_UNTRANSLATED_MESSAGES"] = "1"
# We also want untranslated status messages from apt
locale.setlocale(locale.LC_ALL, "C")
# Switch to the language of the user
if self.transaction.locale:
os.putenv("LANG", self.transaction.locale)
# Either connect to the controllong terminal or switch to
# non-interactive mode
if not self.transaction.terminal:
# FIXME: we should check for "mail" or "gnome" here
# and not unset in this case
os.putenv("APT_LISTCHANGES_FRONTEND", "none")
os.putenv("APT_LISTBUGS_FRONTEND", "none")
else:
os.putenv("TERM", "linux")
# Run debconf through a proxy if available
if self.transaction.debconf:
os.putenv("DEBCONF_PIPE", self.transaction.debconf)
os.putenv("DEBIAN_FRONTEND", "passthrough")
if log.level == logging.DEBUG:
os.putenv("DEBCONF_DEBUG", ".")
elif not self.transaction.terminal:
os.putenv("DEBIAN_FRONTEND", "noninteractive")
# Proxy configuration
if self.transaction.http_proxy:
apt_pkg.config.set("Acquire::http::Proxy",
self.transaction.http_proxy)
# Mark changes as being make by aptdaemon
cmd = "aptdaemon role='%s' sender='%s'" % (self.transaction.role,
self.transaction.sender)
apt_pkg.config.set("CommandLine::AsString", cmd)
def _copy_io_master(self, source, condition, target):
if condition == GLib.IO_IN:
self.last_activity = time.time()
try:
char_byte = os.read(source, 1)
except OSError:
log.debug("Faild to read from master")
return True
# Write all the output from dpkg to a log
char = char_byte.decode("UTF-8", "ignore")
if char == "\n":
# Skip ANSI characters from the console output
line = re.sub(REGEX_ANSI_ESCAPE_CODE, "", self._line_buffer)
if line:
log_terminal.debug(line)
self.output += line + "\n"
self._line_buffer = ""
else:
self._line_buffer += char
if target:
try:
os.write(target, char_byte)
except OSError:
log.debug("Failed to write to controlling terminal")
return True
try:
os.close(source)
except OSError:
# Could already be closed by the clean up in run()
pass
return False
def _copy_io(self, source, condition):
if condition == GLib.IO_IN:
try:
char = os.read(source, 1)
os.write(self.master_fd, char)
except OSError:
pass
else:
# Detect config file prompt answers on the console
if (self.transaction.paused and
self.transaction.config_file_conflict):
self.transaction.config_file_conflict_resolution = None
self.transaction.paused = False
return True
os.close(source)
return False
class DaemonInstallProgress(DaemonForkProgress):
"""Progress to execute APT package operations in a child process."""
def start_update(self):
DaemonForkProgress.start_update(self)
lock.status_lock.release()
def finish_update(self):
"""Callback at the end of the operation"""
DaemonForkProgress.finish_update(self)
lock.wait_for_lock(self.transaction, lock.status_lock)
def _child(self, pm):
try:
res = pm.do_install(self.status_child_fd)
except:
os._exit(apt_pkg.PackageManager.RESULT_FAILED)
else:
os._exit(res)
def _on_status_update(self, source, condition):
"""Parse messages from APT on the status fd."""
log.debug("UpdateInterface")
status_msg = ""
try:
while not status_msg.endswith("\n"):
self.last_activity = time.time()
status_msg += os.read(source, 1).decode("UTF-8", "ignore")
except:
return False
try:
(status, pkg, percent, message_raw) = status_msg.split(":", 3)
except ValueError:
# silently ignore lines that can't be parsed
return True
message = message_raw.strip()
# print "percent: %s %s" % (pkg, float(percent)/100.0)
if status == "pmerror":
self._error(pkg, message)
elif status == "pmconffile":
# we get a string like this:
# 'current-conffile' 'new-conffile' useredited distedited
match = re.match("\s*\'(.*)\'\s*\'(.*)\'.*", message_raw)
if match:
new, old = match.group(1), match.group(2)
self._conffile(new, old)
elif status == "pmstatus":
if message.startswith("Installing"):
status_enum = enums.PKG_INSTALLING
elif message.startswith("Installed"):
status_enum = enums.PKG_INSTALLED
elif message.startswith("Configuring"):
status_enum = enums.PKG_CONFIGURING
elif message.startswith("Preparing to configure"):
status_enum = enums.PKG_PREPARING_CONFIGURE
elif message.startswith("Preparing for removal of"):
status_enum = enums.PKG_PREPARING_REMOVE
elif message.startswith("Removing"):
status_enum = enums.PKG_REMOVING
elif message.startswith("Removed"):
status_enum = enums.PKG_REMOVED
elif message.startswith("Preparing to completely remove"):
status_enum = enums.PKG_PREPARING_PURGE
elif message.startswith("Completely removing"):
status_enum = enums.PKG_PURGING
elif message.startswith("Completely removed"):
status_enum = enums.PKG_PURGED
elif message.startswith("Unpacking"):
status_enum = enums.PKG_UNPACKING
elif message.startswith("Preparing"):
status_enum = enums.PKG_PREPARING_INSTALL
elif message.startswith("Noting disappearance of"):
status_enum = enums.PKG_DISAPPEARING
elif message.startswith("Running"):
status_enum = enums.PKG_RUNNING_TRIGGER
else:
status_enum = enums.PKG_UNKNOWN
self._status_changed(pkg, float(percent), status_enum)
# catch a time out by sending crtl+c
if (self.last_activity + INSTALL_TIMEOUT < time.time() and
self.child_pid):
log.critical("Killing child since timeout of %s s",
INSTALL_TIMEOUT)
os.kill(self.child_pid, 15)
return True
def _status_changed(self, pkg, percent, status_enum):
"""Callback to update status information"""
log.debug("APT status: %s, %s, %s", pkg, percent, status_enum)
progress = self.progress_begin + percent / 100 * (self.progress_end -
self.progress_begin)
if self.progress < progress:
self.transaction.progress = int(progress)
self.progress = progress
# We use untranslated messages from apt.
# So convert them to an enum to allow translations, see LP #641262
# The strings are taken from apt-pkg/deb/dpkgpm.cc
desc = enums.get_package_status_from_enum(status_enum)
msg = self.transaction.gettext(desc) % pkg
self.transaction.status_details = msg
self.transaction.progress_package = (pkg, status_enum)
def _conffile(self, current, new):
"""Callback for a config file conflict"""
log.warning("Config file prompt: '%s' (%s)" % (current, new))
self.transaction.config_file_conflict = (current, new)
self.transaction.paused = True
self.transaction.status = enums.STATUS_WAITING_CONFIG_FILE_PROMPT
while self.transaction.paused:
GLib.main_context_default().iteration()
log.debug("Sending config file answer: %s",
self.transaction.config_file_conflict_resolution)
if self.transaction.config_file_conflict_resolution == "replace":
os.write(self.master_fd, b"y\n")
elif self.transaction.config_file_conflict_resolution == "keep":
os.write(self.master_fd, b"n\n")
self.transaction.config_file_conflict_resolution = None
self.transaction.config_file_conflict = None
self.transaction.status = enums.STATUS_COMMITTING
return True
def _error(self, pkg, msg):
"""Callback for an error"""
log.critical("%s: %s" % (pkg, msg))
class DaemonDpkgInstallProgress(DaemonInstallProgress):
"""Progress handler for a local Debian package installation."""
def __init__(self, transaction, begin=101, end=101):
DaemonInstallProgress.__init__(self, transaction, begin, end)
def _child(self, debfile):
args = [apt_pkg.config["Dir::Bin::DPkg"], "--status-fd",
str(self.status_child_fd)]
args.extend(apt_pkg.config.value_list("DPkg::Options"))
if not self.transaction.terminal:
args.extend(["--force-confdef", "--force-confold"])
args.extend(["-i", debfile])
os.execlp(apt_pkg.config["Dir::Bin::DPkg"], *args)
def _on_status_update(self, source, condition):
log.debug("UpdateInterface")
status_raw = ""
try:
while not status_raw.endswith("\n"):
status_raw += os.read(source, 1).decode("UTF-8", "ignore")
except:
return False
try:
status = [s.strip() for s in status_raw.split(":", 3)]
except ValueError:
# silently ignore lines that can't be parsed
return True
# Parse the status message. It can be of the following types:
# - "status: PACKAGE: STATUS"
# - "status: PACKAGE: error: MESSAGE"
# - "status: FILE: conffile: 'OLD' 'NEW' useredited distedited"
# - "processing: STAGE: PACKAGE" with STAGE is one of upgrade,
# install, configure, trigproc, remove, purge
if status[0] == "status":
# FIXME: Handle STATUS
if status[2] == "error":
self._error(status[1], status[3])
elif status[2] == "conffile":
match = re.match("\s*\'(.*)\'\s*\'(.*)\'.*", status[3])
if match:
new, old = match.group(1), match.group(2)
self._conffile(new, old)
elif status[0] == "processing":
try:
status_enum = MAP_DPKG_STAGE[status[1]]
except KeyError:
status_enum = enums.PKG_UNKONWN
self._status_changed(status[2], 101, status_enum)
return True
class DaemonDpkgRecoverProgress(DaemonDpkgInstallProgress):
"""Progress handler for dpkg --confiure -a call."""
def _child(self):
args = [apt_pkg.config["Dir::Bin::Dpkg"], "--status-fd",
str(self.status_child_fd), "--configure", "-a"]
args.extend(apt_pkg.config.value_list("Dpkg::Options"))
if not self.transaction.terminal:
args.extend(["--force-confdef", "--force-confold"])
os.execlp(apt_pkg.config["Dir::Bin::DPkg"], *args)
class DaemonDpkgReconfigureProgress(DaemonDpkgInstallProgress):
"""Progress handler for dpkg-reconfigure call."""
def _child(self, packages, priority, ):
args = ["/usr/sbin/dpkg-reconfigure"]
if priority != "default":
args.extend(["--priority", priority])
args.extend(packages)
os.execlp("/usr/sbin/dpkg-reconfigure", *args)
# vim:ts=4:sw=4:et
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