SickGear/sickbeard/versionChecker.py

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# Author: Nic Wolfe <nic@wolfeden.ca>
# URL: http://code.google.com/p/sickbeard/
#
# This file is part of Sick Beard.
#
# Sick Beard 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.
#
# Sick Beard 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 Sick Beard. If not, see <http://www.gnu.org/licenses/>.
import os
import platform
import shutil
import subprocess
import re
import urllib
import zipfile
import tarfile
import stat
import traceback
import gh_api as github
import sickbeard
from sickbeard import helpers
from sickbeard import version, ui
from sickbeard import logger
from sickbeard import scene_exceptions
from sickbeard.exceptions import ex
from sickbeard import encodingKludge as ek
from sickbeard import failed_history
from sickbeard import network_timezones
class CheckVersion():
"""
Version check class meant to run as a thread object with the SB scheduler.
"""
def __init__(self):
self.install_type = self.find_install_type()
if self.install_type == 'win':
self.updater = WindowsUpdateManager()
elif self.install_type == 'git':
self.updater = GitUpdateManager()
elif self.install_type == 'source':
self.updater = SourceUpdateManager()
else:
self.updater = None
def run(self):
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if self.check_for_new_version():
if sickbeard.AUTO_UPDATE:
logger.log(u"New update found for SickBeard, starting auto-updater ...")
updated = sickbeard.versionCheckScheduler.action.update()
if updated:
logger.log(u"Update was successfull, restarting SickBeard ...")
sickbeard.restart()
# refresh scene exceptions too
scene_exceptions.retrieve_exceptions()
# refresh network timezones
network_timezones.update_network_dict()
# sure, why not?
if sickbeard.USE_FAILED_DOWNLOADS:
failed_history.trimHistory()
def find_install_type(self):
"""
Determines how this copy of SB was installed.
returns: type of installation. Possible values are:
'win': any compiled windows build
'git': running from source using git
'source': running from source without git
"""
# check if we're a windows build
if sickbeard.version.SICKBEARD_VERSION.startswith('build '):
install_type = 'win'
elif os.path.isdir(ek.ek(os.path.join, sickbeard.PROG_DIR, u'.git')):
install_type = 'git'
else:
install_type = 'source'
return install_type
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def check_for_new_version(self, force=False):
"""
Checks the internet for a newer version.
returns: bool, True for new version or False for no new version.
force: if true the VERSION_NOTIFY setting will be ignored and a check will be forced
"""
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if not sickbeard.VERSION_NOTIFY and not sickbeard.AUTO_UPDATE and not force:
logger.log(u"Version checking is disabled, not checking for the newest version")
return False
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if not sickbeard.AUTO_UPDATE:
logger.log(u"Checking if " + self.install_type + " needs an update")
if not self.updater.need_update():
sickbeard.NEWEST_VERSION_STRING = None
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if not sickbeard.AUTO_UPDATE:
logger.log(u"No update needed")
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if force and not sickbeard.AUTO_UPDATE:
ui.notifications.message('No update needed')
return False
self.updater.set_newest_text()
return True
def update(self):
if self.updater.need_update():
return self.updater.update()
class UpdateManager():
def get_github_repo_user(self):
return 'echel0n'
def get_github_repo(self):
return 'SickBeard-TVRage'
def get_update_url(self):
return sickbeard.WEB_ROOT + "/home/update/?pid=" + str(sickbeard.PID)
class WindowsUpdateManager(UpdateManager):
def __init__(self):
self.github_repo_user = self.get_github_repo_user()
self.github_repo = self.get_github_repo()
self.branch = 'windows_binaries'
self._cur_version = None
self._cur_commit_hash = None
self._newest_version = None
self.gc_url = 'http://code.google.com/p/sickbeard/downloads/list'
self.version_url = 'https://raw.github.com/' + self.github_repo_user + '/' + self.github_repo + '/' + self.branch + '/updates.txt'
def _find_installed_version(self):
try:
version = sickbeard.version.SICKBEARD_VERSION
return int(version[6:])
except ValueError:
logger.log(u"Unknown SickBeard Windows binary release: " + version, logger.ERROR)
return None
def _find_newest_version(self, whole_link=False):
"""
Checks git for the newest Windows binary build. Returns either the
build number or the entire build URL depending on whole_link's value.
whole_link: If True, returns the entire URL to the release. If False, it returns
only the build number. default: False
"""
regex = ".*SickBeard\-win32\-alpha\-build(\d+)(?:\.\d+)?\.zip"
version_url_data = helpers.getURL(self.version_url)
if version_url_data is None:
return None
else:
for curLine in version_url_data.splitlines():
logger.log(u"checking line " + curLine, logger.DEBUG)
match = re.match(regex, curLine)
if match:
logger.log(u"found a match", logger.DEBUG)
if whole_link:
return curLine.strip()
else:
return int(match.group(1))
return None
def need_update(self):
self._cur_version = self._find_installed_version()
self._newest_version = self._find_newest_version()
logger.log(u"newest version: " + repr(self._newest_version), logger.DEBUG)
if self._newest_version and self._newest_version > self._cur_version:
return True
return False
def set_newest_text(self):
sickbeard.NEWEST_VERSION_STRING = None
if not self._cur_version:
newest_text = "Unknown SickBeard Windows binary version. Not updating with original version."
else:
newest_text = 'There is a <a href="' + self.gc_url + '" onclick="window.open(this.href); return false;">newer version available</a> (build ' + str(
self._newest_version) + ')'
newest_text += "&mdash; <a href=\"" + self.get_update_url() + "\">Update Now</a>"
sickbeard.NEWEST_VERSION_STRING = newest_text
def update(self):
zip_download_url = self._find_newest_version(True)
logger.log(u"new_link: " + repr(zip_download_url), logger.DEBUG)
if not zip_download_url:
logger.log(u"Unable to find a new version link on google code, not updating")
return False
try:
# prepare the update dir
sb_update_dir = ek.ek(os.path.join, sickbeard.PROG_DIR, u'sb-update')
if os.path.isdir(sb_update_dir):
logger.log(u"Clearing out update folder " + sb_update_dir + " before extracting")
shutil.rmtree(sb_update_dir)
logger.log(u"Creating update folder " + sb_update_dir + " before extracting")
os.makedirs(sb_update_dir)
# retrieve file
logger.log(u"Downloading update from " + zip_download_url)
zip_download_path = os.path.join(sb_update_dir, u'sb-update.zip')
urllib.urlretrieve(zip_download_url, zip_download_path)
if not ek.ek(os.path.isfile, zip_download_path):
logger.log(u"Unable to retrieve new version from " + zip_download_url + ", can't update", logger.ERROR)
return False
if not ek.ek(zipfile.is_zipfile, zip_download_path):
logger.log(u"Retrieved version from " + zip_download_url + " is corrupt, can't update", logger.ERROR)
return False
# extract to sb-update dir
logger.log(u"Unzipping from " + str(zip_download_path) + " to " + sb_update_dir)
update_zip = zipfile.ZipFile(zip_download_path, 'r')
update_zip.extractall(sb_update_dir)
update_zip.close()
# delete the zip
logger.log(u"Deleting zip file from " + str(zip_download_path))
os.remove(zip_download_path)
# find update dir name
update_dir_contents = [x for x in os.listdir(sb_update_dir) if
os.path.isdir(os.path.join(sb_update_dir, x))]
if len(update_dir_contents) != 1:
logger.log(u"Invalid update data, update failed. Maybe try deleting your sb-update folder?",
logger.ERROR)
return False
content_dir = os.path.join(sb_update_dir, update_dir_contents[0])
old_update_path = os.path.join(content_dir, u'updater.exe')
new_update_path = os.path.join(sickbeard.PROG_DIR, u'updater.exe')
logger.log(u"Copying new update.exe file from " + old_update_path + " to " + new_update_path)
shutil.move(old_update_path, new_update_path)
except Exception, e:
logger.log(u"Error while trying to update: " + ex(e), logger.ERROR)
return False
return True
class GitUpdateManager(UpdateManager):
def __init__(self):
self._git_path = self._find_working_git()
self.github_repo_user = self.get_github_repo_user()
self.github_repo = self.get_github_repo()
self.branch = self._find_git_branch()
self._cur_commit_hash = None
self._newest_commit_hash = None
self._num_commits_behind = 0
self._num_commits_ahead = 0
def _git_error(self):
error_message = 'Unable to find your git executable - Shutdown SickBeard and EITHER <a href="http://code.google.com/p/sickbeard/wiki/AdvancedSettings" onclick="window.open(this.href); return false;">set git_path in your config.ini</a> OR delete your .git folder and run from source to enable updates.'
sickbeard.NEWEST_VERSION_STRING = error_message
def _find_working_git(self):
test_cmd = 'version'
if sickbeard.GIT_PATH:
main_git = '"' + sickbeard.GIT_PATH + '"'
else:
main_git = 'git'
logger.log(u"Checking if we can use git commands: " + main_git + ' ' + test_cmd, logger.DEBUG)
output, err, exit_status = self._run_git(main_git, test_cmd)
if exit_status == 0:
logger.log(u"Using: " + main_git, logger.DEBUG)
return main_git
else:
logger.log(u"Not using: " + main_git, logger.DEBUG)
# trying alternatives
alternative_git = []
# osx people who start SB from launchd have a broken path, so try a hail-mary attempt for them
if platform.system().lower() == 'darwin':
alternative_git.append('/usr/local/git/bin/git')
if platform.system().lower() == 'windows':
if main_git != main_git.lower():
alternative_git.append(main_git.lower())
if alternative_git:
logger.log(u"Trying known alternative git locations", logger.DEBUG)
for cur_git in alternative_git:
logger.log(u"Checking if we can use git commands: " + cur_git + ' ' + test_cmd, logger.DEBUG)
output, err, exit_status = self._run_git(cur_git, test_cmd)
if exit_status == 0:
logger.log(u"Using: " + cur_git, logger.DEBUG)
return cur_git
else:
logger.log(u"Not using: " + cur_git, logger.DEBUG)
# Still haven't found a working git
error_message = 'Unable to find your git executable - Shutdown SickBeard and EITHER <a href="http://code.google.com/p/sickbeard/wiki/AdvancedSettings" onclick="window.open(this.href); return false;">set git_path in your config.ini</a> OR delete your .git folder and run from source to enable updates.'
sickbeard.NEWEST_VERSION_STRING = error_message
return None
def _run_git(self, git_path, args):
output = err = exit_status = None
if not git_path:
logger.log(u"No git specified, can't use git commands", logger.ERROR)
exit_status = 1
return (output, err, exit_status)
cmd = git_path + ' ' + args
try:
logger.log(u"Executing " + cmd + " with your shell in " + sickbeard.PROG_DIR, logger.DEBUG)
p = subprocess.Popen(cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
shell=True, cwd=sickbeard.PROG_DIR)
output, err = p.communicate()
exit_status = p.returncode
if output:
output = output.strip()
logger.log(u"git output: " + output, logger.DEBUG)
except OSError:
logger.log(u"Command " + cmd + " didn't work")
exit_status = 1
if exit_status == 0:
logger.log(cmd + u" : returned successful", logger.DEBUG)
exit_status = 0
elif exit_status == 1:
logger.log(cmd + u" returned : " + output, logger.ERROR)
exit_status = 1
elif exit_status == 128 or 'fatal:' in output or err:
logger.log(cmd + u" returned : " + output, logger.ERROR)
exit_status = 128
else:
logger.log(cmd + u" returned : " + output + u", treat as error for now", logger.ERROR)
exit_status = 1
return (output, err, exit_status)
def _find_installed_version(self):
"""
Attempts to find the currently installed version of Sick Beard.
Uses git show to get commit version.
Returns: True for success or False for failure
"""
output, err, exit_status = self._run_git(self._git_path, 'rev-parse HEAD') # @UnusedVariable
if exit_status == 0 and output:
cur_commit_hash = output.strip()
if not re.match('^[a-z0-9]+$', cur_commit_hash):
logger.log(u"Output doesn't look like a hash, not using it", logger.ERROR)
return False
self._cur_commit_hash = cur_commit_hash
return True
else:
return False
def _find_git_branch(self):
branch_info, err, exit_status = self._run_git(self._git_path, 'symbolic-ref -q HEAD') # @UnusedVariable
if exit_status == 0 and branch_info:
branch = branch_info.strip().replace('refs/heads/', '', 1)
if branch:
sickbeard.version.SICKBEARD_VERSION = branch
return sickbeard.version.SICKBEARD_VERSION
def _check_github_for_update(self):
"""
Uses git commands to check if there is a newer version that the provided
commit hash. If there is a newer version it sets _num_commits_behind.
"""
self._newest_commit_hash = None
self._num_commits_behind = 0
self._num_commits_ahead = 0
# get all new info from github
output, err, exit_status = self._run_git(self._git_path, 'fetch origin')
if not exit_status == 0:
logger.log(u"Unable to contact github, can't check for update", logger.ERROR)
return
# get latest commit_hash from remote
output, err, exit_status = self._run_git(self._git_path, 'rev-parse --verify --quiet "@{upstream}"')
if exit_status == 0 and output:
cur_commit_hash = output.strip()
if not re.match('^[a-z0-9]+$', cur_commit_hash):
logger.log(u"Output doesn't look like a hash, not using it", logger.DEBUG)
return
else:
self._newest_commit_hash = cur_commit_hash
else:
logger.log(u"git didn't return newest commit hash", logger.DEBUG)
return
# get number of commits behind and ahead (option --count not supported git < 1.7.2)
output, err, exit_status = self._run_git(self._git_path, 'rev-list --left-right "@{upstream}"...HEAD')
if exit_status == 0 and output:
try:
self._num_commits_behind = int(output.count("<"))
self._num_commits_ahead = int(output.count(">"))
except:
logger.log(u"git didn't return numbers for behind and ahead, not using it", logger.DEBUG)
return
logger.log(u"cur_commit = " + str(self._cur_commit_hash) + u", newest_commit = " + str(self._newest_commit_hash)
+ u", num_commits_behind = " + str(self._num_commits_behind) + u", num_commits_ahead = " + str(
self._num_commits_ahead), logger.DEBUG)
def set_newest_text(self):
# if we're up to date then don't set this
sickbeard.NEWEST_VERSION_STRING = None
if self._num_commits_ahead:
logger.log(u"Local branch is ahead of " + self.branch + ". Automatic update not possible.", logger.ERROR)
newest_text = "Local branch is ahead of " + self.branch + ". Automatic update not possible."
elif self._num_commits_behind > 0:
base_url = 'http://github.com/' + self.github_repo_user + '/' + self.github_repo
if self._newest_commit_hash:
url = base_url + '/compare/' + self._cur_commit_hash + '...' + self._newest_commit_hash
else:
url = base_url + '/commits/'
newest_text = 'There is a <a href="' + url + '" onclick="window.open(this.href); return false;">newer version available</a> '
newest_text += " (you're " + str(self._num_commits_behind) + " commit"
if self._num_commits_behind > 1:
newest_text += 's'
newest_text += ' behind)' + "&mdash; <a href=\"" + self.get_update_url() + "\">Update Now</a>"
else:
return
sickbeard.NEWEST_VERSION_STRING = newest_text
def need_update(self):
self._find_installed_version()
if not self._cur_commit_hash:
return True
else:
try:
self._check_github_for_update()
except Exception, e:
logger.log(u"Unable to contact github, can't check for update: " + repr(e), logger.ERROR)
return False
if self._num_commits_behind > 0:
return True
return False
def update(self):
"""
Calls git pull origin <branch> in order to update Sick Beard. Returns a bool depending
on the call's success.
"""
output, err, exit_status = self._run_git(self._git_path, 'pull origin ' + self.branch) # @UnusedVariable
if exit_status == 0:
return True
else:
return False
return False
class SourceUpdateManager(UpdateManager):
def __init__(self):
self.github_repo_user = self.get_github_repo_user()
self.github_repo = self.get_github_repo()
self.branch = sickbeard.version.SICKBEARD_VERSION
self._cur_commit_hash = None
self._newest_commit_hash = None
self._num_commits_behind = 0
def _find_installed_version(self):
version_file = ek.ek(os.path.join, sickbeard.PROG_DIR, u'version.txt')
if not os.path.isfile(version_file):
self._cur_commit_hash = None
return
try:
with open(version_file, 'r') as fp:
self._cur_commit_hash = fp.read().strip(' \n\r')
except EnvironmentError, e:
logger.log(u"Unable to open 'version.txt': " + ex(e), logger.DEBUG)
if not self._cur_commit_hash:
self._cur_commit_hash = None
def need_update(self):
self._find_installed_version()
try:
self._check_github_for_update()
except Exception, e:
logger.log(u"Unable to contact github, can't check for update: " + repr(e), logger.ERROR)
return False
if not self._cur_commit_hash or self._num_commits_behind > 0:
return True
return False
def _check_github_for_update(self):
"""
Uses pygithub to ask github if there is a newer version that the provided
commit hash. If there is a newer version it sets Sick Beard's version text.
commit_hash: hash that we're checking against
"""
self._num_commits_behind = 0
self._newest_commit_hash = None
gh = github.GitHub(self.github_repo_user, self.github_repo, self.branch)
# try to get newest commit hash and commits behind directly by comparing branch and current commit
if self._cur_commit_hash:
branch_compared = gh.compare(base=self.branch, head=self._cur_commit_hash)
if 'base_commit' in branch_compared:
self._newest_commit_hash = branch_compared['base_commit']['sha']
if 'behind_by' in branch_compared:
self._num_commits_behind = int(branch_compared['behind_by'])
# fall back and iterate over last 100 (items per page in gh_api) commits
if not self._newest_commit_hash:
for curCommit in gh.commits():
if not self._newest_commit_hash:
self._newest_commit_hash = curCommit['sha']
if not self._cur_commit_hash:
break
if curCommit['sha'] == self._cur_commit_hash:
break
# when _cur_commit_hash doesn't match anything _num_commits_behind == 100
self._num_commits_behind += 1
logger.log(u"cur_commit = " + str(self._cur_commit_hash) + u", newest_commit = " + str(self._newest_commit_hash)
+ u", num_commits_behind = " + str(self._num_commits_behind), logger.DEBUG)
def set_newest_text(self):
# if we're up to date then don't set this
sickbeard.NEWEST_VERSION_STRING = None
if not self._cur_commit_hash:
logger.log(u"Unknown current version number, don't know if we should update or not", logger.DEBUG)
newest_text = "Unknown current version number: If you've never used the Sick Beard upgrade system before then current version is not set."
newest_text += "&mdash; <a href=\"" + self.get_update_url() + "\">Update Now</a>"
elif self._num_commits_behind > 0:
base_url = 'http://github.com/' + self.github_repo_user + '/' + self.github_repo
if self._newest_commit_hash:
url = base_url + '/compare/' + self._cur_commit_hash + '...' + self._newest_commit_hash
else:
url = base_url + '/commits/'
newest_text = 'There is a <a href="' + url + '" onclick="window.open(this.href); return false;">newer version available</a>'
newest_text += " (you're " + str(self._num_commits_behind) + " commit"
if self._num_commits_behind > 1:
newest_text += "s"
newest_text += " behind)" + "&mdash; <a href=\"" + self.get_update_url() + "\">Update Now</a>"
else:
return
sickbeard.NEWEST_VERSION_STRING = newest_text
def update(self):
"""
Downloads the latest source tarball from github and installs it over the existing version.
"""
base_url = 'https://github.com/' + self.github_repo_user + '/' + self.github_repo
tar_download_url = base_url + '/tarball/' + self.branch
version_path = ek.ek(os.path.join, sickbeard.PROG_DIR, u'version.txt')
try:
# prepare the update dir
sb_update_dir = ek.ek(os.path.join, sickbeard.PROG_DIR, u'sb-update')
if os.path.isdir(sb_update_dir):
logger.log(u"Clearing out update folder " + sb_update_dir + " before extracting")
shutil.rmtree(sb_update_dir)
logger.log(u"Creating update folder " + sb_update_dir + " before extracting")
os.makedirs(sb_update_dir)
# retrieve file
logger.log(u"Downloading update from " + repr(tar_download_url))
tar_download_path = os.path.join(sb_update_dir, u'sb-update.tar')
urllib.urlretrieve(tar_download_url, tar_download_path)
if not ek.ek(os.path.isfile, tar_download_path):
logger.log(u"Unable to retrieve new version from " + tar_download_url + ", can't update", logger.ERROR)
return False
if not ek.ek(tarfile.is_tarfile, tar_download_path):
logger.log(u"Retrieved version from " + tar_download_url + " is corrupt, can't update", logger.ERROR)
return False
# extract to sb-update dir
logger.log(u"Extracting file " + tar_download_path)
tar = tarfile.open(tar_download_path)
tar.extractall(sb_update_dir)
tar.close()
# delete .tar.gz
logger.log(u"Deleting file " + tar_download_path)
os.remove(tar_download_path)
# find update dir name
update_dir_contents = [x for x in os.listdir(sb_update_dir) if
os.path.isdir(os.path.join(sb_update_dir, x))]
if len(update_dir_contents) != 1:
logger.log(u"Invalid update data, update failed: " + str(update_dir_contents), logger.ERROR)
return False
content_dir = os.path.join(sb_update_dir, update_dir_contents[0])
# walk temp folder and move files to main folder
logger.log(u"Moving files from " + content_dir + " to " + sickbeard.PROG_DIR)
for dirname, dirnames, filenames in os.walk(content_dir): # @UnusedVariable
dirname = dirname[len(content_dir) + 1:]
for curfile in filenames:
old_path = os.path.join(content_dir, dirname, curfile)
new_path = os.path.join(sickbeard.PROG_DIR, dirname, curfile)
#Avoid DLL access problem on WIN32/64
#These files needing to be updated manually
#or find a way to kill the access from memory
if curfile in ('unrar.dll', 'unrar64.dll'):
try:
os.chmod(new_path, stat.S_IWRITE)
os.remove(new_path)
os.renames(old_path, new_path)
except Exception, e:
logger.log(u"Unable to update " + new_path + ': ' + ex(e), logger.DEBUG)
os.remove(old_path) # Trash the updated file without moving in new path
continue
if os.path.isfile(new_path):
os.remove(new_path)
os.renames(old_path, new_path)
# update version.txt with commit hash
try:
with open(version_path, 'w') as ver_file:
ver_file.write(self._newest_commit_hash)
except EnvironmentError, e:
logger.log(u"Unable to write version file, update not complete: " + ex(e), logger.ERROR)
return False
except Exception, e:
logger.log(u"Error while trying to update: " + ex(e), logger.ERROR)
logger.log(u"Traceback: " + traceback.format_exc(), logger.DEBUG)
return False
return True