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# This file is part of Mylar.
#
# Mylar 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.
#
# Mylar 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 Mylar. If not, see <http://www.gnu.org/licenses/>.
import platform, subprocess, re, os, urllib2, tarfile
import mylar
from mylar import logger, version
import lib.simplejson as simplejson
user = "evilhero"
branch = "master"
def runGit(args):
if mylar.GIT_PATH:
git_locations = ['"'+mylar.GIT_PATH+'"']
else:
git_locations = ['git']
if platform.system().lower() == 'darwin':
git_locations.append('/usr/local/git/bin/git')
output = err = None
for cur_git in git_locations:
cmd = cur_git+' '+args
try:
logger.debug('Trying to execute: "' + cmd + '" with shell in ' + mylar.PROG_DIR)
p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, shell=True, cwd=mylar.PROG_DIR)
output, err = p.communicate()
logger.debug('Git output: ' + output)
except OSError:
logger.debug('Command ' + cmd + ' didn\'t work, couldn\'t find git')
continue
if 'not found' in output or "not recognized as an internal or external command" in output:
logger.debug('Unable to find git with command ' + cmd)
output = None
elif 'fatal:' in output or err:
logger.error('Git returned bad info. Are you sure this is a git installation?')
output = None
elif output:
break
return (output, err)
def getVersion():
if version.MYLAR_VERSION.startswith('win32build'):
mylar.INSTALL_TYPE = 'win'
# Don't have a way to update exe yet, but don't want to set VERSION to None
return 'Windows Install'
elif os.path.isdir(os.path.join(mylar.PROG_DIR, '.git')):
mylar.INSTALL_TYPE = 'git'
output, err = runGit('rev-parse HEAD')
if not output:
logger.error('Couldn\'t find latest installed version.')
return None
cur_commit_hash = output.strip()
if not re.match('^[a-z0-9]+$', cur_commit_hash):
logger.error('Output doesn\'t look like a hash, not using it')
return None
return cur_commit_hash
else:
mylar.INSTALL_TYPE = 'source'
version_file = os.path.join(mylar.PROG_DIR, 'version.txt')
if not os.path.isfile(version_file):
return None
fp = open(version_file, 'r')
current_version = fp.read().strip(' \n\r')
fp.close()
if current_version:
return current_version
else:
return None
def checkGithub():
# Get the latest commit available from github
url = 'https://api.github.com/repos/%s/mylar/commits/%s' % (user, branch)
logger.info ('Retrieving latest version information from github')
try:
result = urllib2.urlopen(url).read()
git = simplejson.JSONDecoder().decode(result)
mylar.LATEST_VERSION = git['sha']
except:
logger.warn('Could not get the latest commit from github')
mylar.COMMITS_BEHIND = 0
return mylar.CURRENT_VERSION
# See how many commits behind we are
if mylar.CURRENT_VERSION:
logger.info('Comparing currently installed version with latest github version')
url = 'https://api.github.com/repos/%s/mylar/compare/%s...%s' % (user, mylar.CURRENT_VERSION, mylar.LATEST_VERSION)
try:
result = urllib2.urlopen(url).read()
git = simplejson.JSONDecoder().decode(result)
mylar.COMMITS_BEHIND = git['total_commits']
except:
logger.warn('Could not get commits behind from github')
mylar.COMMITS_BEHIND = 0
return mylar.CURRENT_VERSION
if mylar.COMMITS_BEHIND >= 1:
logger.info('New version is available. You are %s commits behind' % mylar.COMMITS_BEHIND)
elif mylar.COMMITS_BEHIND == 0:
logger.info('Mylar is up to date')
elif mylar.COMMITS_BEHIND == -1:
logger.info('You are running an unknown version of Mylar. Run the updater to identify your version')
else:
logger.info('You are running an unknown version of Mylar. Run the updater to identify your version')
return mylar.LATEST_VERSION
def update():
if mylar.INSTALL_TYPE == 'win':
logger.info('Windows .exe updating not supported yet.')
pass
elif mylar.INSTALL_TYPE == 'git':
output, err = runGit('pull origin ' + version.MYLAR_VERSION)
if not output:
logger.error('Couldn\'t download latest version')
for line in output.split('\n'):
if 'Already up-to-date.' in line:
logger.info('No update available, not updating')
logger.info('Output: ' + str(output))
elif line.endswith('Aborting.'):
logger.error('Unable to update from git: '+line)
logger.info('Output: ' + str(output))
else:
tar_download_url = 'https://github.com/%s/mylar/tarball/%s' % (user, branch)
update_dir = os.path.join(mylar.PROG_DIR, 'update')
version_path = os.path.join(mylar.PROG_DIR, 'version.txt')
try:
logger.info('Downloading update from: '+tar_download_url)
data = urllib2.urlopen(tar_download_url)
except (IOError, URLError):
logger.error("Unable to retrieve new version from "+tar_download_url+", can't update")
return
download_name = data.geturl().split('/')[-1]
tar_download_path = os.path.join(mylar.PROG_DIR, download_name)
# Save tar to disk
f = open(tar_download_path, 'wb')
f.write(data.read())
f.close()
# Extract the tar to update folder
logger.info('Extracing file' + tar_download_path)
tar = tarfile.open(tar_download_path)
tar.extractall(update_dir)
tar.close()
# Delete the tar.gz
logger.info('Deleting file' + tar_download_path)
os.remove(tar_download_path)
# Find update dir name
update_dir_contents = [x for x in os.listdir(update_dir) if os.path.isdir(os.path.join(update_dir, x))]
if len(update_dir_contents) != 1:
logger.error(u"Invalid update data, update failed: "+str(update_dir_contents))
return
content_dir = os.path.join(update_dir, update_dir_contents[0])
# walk temp folder and move files to main folder
for dirname, dirnames, filenames in os.walk(content_dir):
dirname = dirname[len(content_dir)+1:]
for curfile in filenames:
old_path = os.path.join(content_dir, dirname, curfile)
new_path = os.path.join(mylar.PROG_DIR, dirname, curfile)
if os.path.isfile(new_path):
os.remove(new_path)
os.renames(old_path, new_path)
# Update version.txt
try:
ver_file = open(version_path, 'w')
ver_file.write(mylar.LATEST_VERSION)
ver_file.close()
except IOError, e:
logger.error(u"Unable to write current version to version.txt, update not complete: "+ex(e))
return
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