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SickRage/sickbeard/versionChecker.py

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# Author: Nic Wolfe <nic@wolfeden.ca>
# URL: http://code.google.com/p/sickbeard/
#
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# This file is part of SickRage.
#
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# SickRage 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.
#
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# SickRage 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
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# along with SickRage. 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 threading
import sickbeard
from sickbeard import helpers
from sickbeard import version, 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 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, force=False):
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if self.check_for_new_version():
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if sickbeard.AUTO_UPDATE:
logger.log(u"New update found for SickRage, starting auto-updater ...")
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if sickbeard.versionCheckScheduler.action.update():
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logger.log(u"Update was successfull, restarting SickRage ...")
threading.Timer(2, sickbeard.invoke_restart, [False]).start()
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")
if force:
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 'SickRage'
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):
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version = ''
try:
version = sickbeard.version.SICKBEARD_VERSION
return int(version[6:])
except ValueError:
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logger.log(u"Unknown SickRage 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
"""
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regex = ".*SickRage\-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:
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newest_text = "Unknown SickRage 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):
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error_message = 'Unable to find your git executable - Shutdown SickRage 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 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
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error_message = 'Unable to find your git executable - Shutdown SickRage 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: " + 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):
"""
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Attempts to find the currently installed version of SickRage.
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]+$', cur_commit_hash):
logger.log(u"Output doesn't look like a hash, not using it", logger.ERROR)
return False
self._cur_commit_hash = cur_commit_hash
sickbeard.CUR_COMMIT_HASH = str(cur_commit_hash)
return True
else:
return False
def _find_git_branch(self):
branch_info, err, exit_status = self._run_git(self._git_path, 'symbolic-ref -q HEAD') # @UnusedVariable
if exit_status == 0 and branch_info:
branch = branch_info.strip().replace('refs/heads/', '', 1)
if branch:
sickbeard.version.SICKBEARD_VERSION = branch
return sickbeard.version.SICKBEARD_VERSION
def _check_github_for_update(self):
"""
Uses git commands to check if there is a newer version that the provided
commit hash. If there is a newer version it sets _num_commits_behind.
"""
self._newest_commit_hash = None
self._num_commits_behind = 0
self._num_commits_ahead = 0
# get all new info from github
output, err, exit_status = self._run_git(self._git_path, 'fetch origin')
if not exit_status == 0:
logger.log(u"Unable to contact github, can't check for update", logger.ERROR)
return
# get latest commit_hash from remote
output, err, exit_status = self._run_git(self._git_path, 'rev-parse --verify --quiet "@{upstream}"')
if exit_status == 0 and output:
cur_commit_hash = output.strip()
if not re.match('^[a-z0-9]+$', 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):
"""
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Calls git pull origin <branch> in order to update SickRage. 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
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
sickbeard.CUR_COMMIT_HASH = str(self._cur_commit_hash)
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
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commit hash. If there is a newer version it sets SickRage'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)
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newest_text = "Unknown current version number: If you've never used the SickRage 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