# Author: Nic Wolfe <nic@wolfeden.ca>
# URL: http://code.google.com/p/sickbeard/
#
# This file is part of SickGear.
#
# SickGear 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.
#
# SickGear 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 SickGear. If not, see <http://www.gnu.org/licenses/>.
import os
import platform
import shutil
import subprocess
import re
import urllib
import tarfile
import stat
import traceback
import gh_api as github
import sickbeard
from sickbeard import notifiers
from sickbeard import ui
from sickbeard import logger
from sickbeard.exceptions import ex
from sickbeard import encodingKludge as ek
class CheckVersion():
"""
Version check class meant to run as a thread object with the sg scheduler.
"""
def __init__(self):
self.install_type = self.find_install_type()
if self.install_type == 'git':
self.updater = GitUpdateManager()
elif self.install_type == 'source':
self.updater = SourceUpdateManager()
else:
self.updater = None
def run(self, force=False):
# set current branch version
sickbeard.BRANCH = self.get_branch()
if self.check_for_new_version(force):
if sickbeard.AUTO_UPDATE:
logger.log(u"New update found for SickGear, starting auto-updater ...")
ui.notifications.message('New update found for SickGear, starting auto-updater')
if sickbeard.versionCheckScheduler.action.update():
logger.log(u"Update was successful!")
ui.notifications.message('Update was successful')
sickbeard.events.put(sickbeard.events.SystemEvent.RESTART)
def find_install_type(self):
"""
Determines how this copy of sg was installed.
returns: type of installation. Possible values are:
'git': running from source using git
'source': running from source without git
"""
if os.path.isdir(ek.ek(os.path.join, sickbeard.PROG_DIR, u'.git')):
install_type = 'git'
else:
install_type = 'source'
return install_type
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
"""
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
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
if not sickbeard.AUTO_UPDATE:
logger.log(u"No update needed")
if force:
ui.notifications.message('No update needed')
return False
self.updater.set_newest_text()
return True
def update(self):
# update branch with current config branch value
self.updater.branch = sickbeard.BRANCH
# check for updates
if self.updater.need_update():
return self.updater.update()
def fetch(self, pull_request):
return self.updater.fetch(pull_request)
def list_remote_branches(self):
return self.updater.list_remote_branches()
def list_remote_pulls(self):
return self.updater.list_remote_pulls()
def get_branch(self):
return self.updater.branch
class UpdateManager():
def get_github_repo_user(self):
return 'SickGear'
def get_github_repo(self):
return 'SickGear'
def get_update_url(self):
return sickbeard.WEB_ROOT + "/home/update/?pid=" + str(sickbeard.PID)
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 = sickbeard.BRANCH
if sickbeard.BRANCH == '':
self.branch = self._find_installed_branch()
self._cur_commit_hash = None
self._newest_commit_hash = None
self._num_commits_behind = 0
self._num_commits_ahead = 0
self._cur_pr_number = self.get_cur_pr_number()
def _git_error(self):
error_message = 'Unable to find your git executable - Shutdown SickGear and EITHER set git_path in your config.ini 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 sg 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 SickGear and EITHER set git_path in your config.ini 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: " + str(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 : " + str(output), logger.ERROR)
exit_status = 1
elif exit_status == 128 or 'fatal:' in output or err:
logger.log(cmd + u" returned : " + str(output), logger.ERROR)
exit_status = 128
else:
logger.log(cmd + u" returned : " + str(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 SickGear.
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]+$', cur_commit_hash):
logger.log(u"Output doesn't look like a hash, not using it", logger.ERROR)
return False
self._cur_commit_hash = cur_commit_hash
sickbeard.CUR_COMMIT_HASH = str(cur_commit_hash)
return True
else:
return False
def _find_installed_branch(self):
branch_info, err, exit_status = self._run_git(self._git_path, 'symbolic-ref -q HEAD') # @UnusedVariable
if exit_status == 0 and branch_info:
branch = branch_info.strip().replace('refs/heads/', '', 1)
if branch:
return branch
return ""
def _check_github_for_update(self):
"""
Uses git commands to check if there is a newer version that the provided
commit hash. If there is a newer version it sets _num_commits_behind.
"""
self._num_commits_behind = 0
self._num_commits_ahead = 0
# get all new info from github
output, err, exit_status = self._run_git(self._git_path, 'fetch %s' % sickbeard.GIT_REMOTE)
if not exit_status == 0:
logger.log(u"Unable to contact github, can't check for update", logger.ERROR)
return
if not self._cur_pr_number:
# get latest commit_hash from remote
output, err, exit_status = self._run_git(self._git_path, 'rev-parse --verify --quiet "@{upstream}"')
if exit_status == 0 and output:
cur_commit_hash = output.strip()
if not re.match('^[a-z0-9]+$', 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)
else:
# we need to treat pull requests specially as it doesn't seem possible to set their "@{upstream}" tag
output, err, exit_status = self._run_git(self._git_path, 'ls-remote %s refs/pull/%s/head' % (sickbeard.GIT_REMOTE, self._cur_pr_number))
self._newest_commit_hash = re.findall('(.*)\t', output)[0]
def set_newest_text(self):
# if we're up to date then don't set this
sickbeard.NEWEST_VERSION_STRING = None
base_url = 'http://github.com/' + self.github_repo_user + '/' + self.github_repo
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:
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)' + "— <a href=\"" + self.get_update_url() + "\">Update Now</a>"
elif self._cur_pr_number and (self._cur_commit_hash != self._newest_commit_hash):
url = base_url + '/commit/%s' % self._newest_commit_hash
newest_text = 'There is a <a href="' + url + '" onclick="window.open(this.href); return false;">newer version available</a> '
newest_text += '— <a href="' + self.get_update_url() + '">Update Now</a>'
else:
return
sickbeard.NEWEST_VERSION_STRING = newest_text
def need_update(self):
if self.branch != self._find_installed_branch():
logger.log(u"Branch checkout: " + self._find_installed_branch() + "->" + self.branch, logger.DEBUG)
return True
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
if self._cur_pr_number and self._cur_commit_hash != self._newest_commit_hash:
return True
return False
def update(self):
"""
Calls git pull origin <branch> in order to update SickGear. Returns a bool depending
on the call's success.
"""
if self.branch == self._find_installed_branch():
if not self._cur_pr_number:
output, err, exit_status = self._run_git(self._git_path, 'pull -f %s %s' % (sickbeard.GIT_REMOTE, self.branch)) # @UnusedVariable
else:
output, err, exit_status = self._run_git(self._git_path, 'pull -f %s pull/%s/head:%s' % (sickbeard.GIT_REMOTE, self._cur_pr_number, self.branch))
else:
output, err, exit_status = self._run_git(self._git_path, 'checkout -f ' + self.branch) # @UnusedVariable
if exit_status == 0:
self._find_installed_version()
# Notify update successful
if sickbeard.NOTIFY_ON_UPDATE:
notifiers.notify_git_update(sickbeard.CUR_COMMIT_HASH if sickbeard.CUR_COMMIT_HASH else "")
return True
return False
def list_remote_branches(self):
branches, err, exit_status = self._run_git(self._git_path, 'ls-remote --heads %s' % sickbeard.GIT_REMOTE) # @UnusedVariable
if exit_status == 0 and branches:
return re.findall('\S+\Wrefs/heads/(.*)', branches)
return []
def list_remote_pulls(self):
gh = github.GitHub(self.github_repo_user, self.github_repo, self.branch)
return gh.pull_requests()
def fetch(self, pull_request):
output, err, exit_status = self._run_git(self._git_path, 'fetch -f %s %s' % (sickbeard.GIT_REMOTE, pull_request)) # @UnusedVariable
if exit_status == 0:
return True
return False
def get_cur_pr_number(self):
try:
pull_number = int(self.branch.split('/')[1])
except:
pull_number = None
return pull_number
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.BRANCH
if sickbeard.BRANCH == '':
self.branch = self._find_installed_branch()
self._cur_commit_hash = sickbeard.CUR_COMMIT_HASH
self._newest_commit_hash = None
self._num_commits_behind = 0
def _find_installed_branch(self):
if sickbeard.CUR_COMMIT_BRANCH == "":
return "master"
else:
return sickbeard.CUR_COMMIT_BRANCH
def need_update(self):
# need this to run first to set self._newest_commit_hash
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.branch != self._find_installed_branch():
logger.log(u"Branch checkout: " + self._find_installed_branch() + "->" + self.branch, logger.DEBUG)
return True
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 SickGear'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 SickGear upgrade system before then current version is not set."
newest_text += "— <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)" + "— <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 = 'http://github.com/' + self.github_repo_user + '/' + self.github_repo
tar_download_url = base_url + '/tarball/' + self.branch
try:
# prepare the update dir
sg_update_dir = ek.ek(os.path.join, sickbeard.PROG_DIR, u'sg-update')
if os.path.isdir(sg_update_dir):
logger.log(u'Clearing out update folder ' + sg_update_dir + ' before extracting')
shutil.rmtree(sg_update_dir)
logger.log(u'Creating update folder ' + sg_update_dir + ' before extracting')
os.makedirs(sg_update_dir)
# retrieve file
logger.log(u"Downloading update from " + repr(tar_download_url))
tar_download_path = os.path.join(sg_update_dir, u'sg-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 sg-update dir
logger.log(u"Extracting file " + tar_download_path)
tar = tarfile.open(tar_download_path)
tar.extractall(sg_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(sg_update_dir) if
os.path.isdir(os.path.join(sg_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(sg_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)
sickbeard.CUR_COMMIT_HASH = self._newest_commit_hash
sickbeard.CUR_COMMIT_BRANCH = self.branch
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
# Notify update successful
notifiers.notify_git_update(sickbeard.NEWEST_VERSION_STRING)
return True
def list_remote_branches(self):
gh = github.GitHub(self.github_repo_user, self.github_repo, self.branch)
return [x['name'] for x in gh.branches() if x and 'name' in x]
def list_remote_pulls(self):
# we don't care about testers that don't use git
return []