From 4c726c1531abfe288604eaa4c1d347e85bed81eb Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Tom=C3=A1s=20Touceda?= Date: Mon, 3 Jun 2013 15:02:41 -0300 Subject: Use Twisted's deferToThread and Deferreds to handle parallel tasks This removes CheckerThread --- src/leap/services/mail/smtpbootstrapper.py | 142 +++++++++++------------------ 1 file changed, 54 insertions(+), 88 deletions(-) (limited to 'src/leap/services/mail') diff --git a/src/leap/services/mail/smtpbootstrapper.py b/src/leap/services/mail/smtpbootstrapper.py index 6e0a0a47..64bf3153 100644 --- a/src/leap/services/mail/smtpbootstrapper.py +++ b/src/leap/services/mail/smtpbootstrapper.py @@ -22,8 +22,6 @@ SMTP bootstrapping import logging import os -import requests - from PySide import QtCore from leap.common.check import leap_assert, leap_assert_type @@ -31,44 +29,30 @@ from leap.common.files import get_mtime from leap.config.providerconfig import ProviderConfig from leap.crypto.srpauth import SRPAuth from leap.util.request_helpers import get_content +from leap.services.abstractbootstrapper import AbstractBootstrapper logger = logging.getLogger(__name__) -class SMTPBootstrapper(QtCore.QObject): +class SMTPBootstrapper(AbstractBootstrapper): """ SMTP init procedure """ - PASSED_KEY = "passed" - ERROR_KEY = "error" - - IDLE_SLEEP_INTERVAL = 100 - # All dicts returned are of the form # {"passed": bool, "error": str} download_config = QtCore.Signal(dict) def __init__(self): - QtCore.QObject.__init__(self) + AbstractBootstrapper.__init__(self) - # **************************************************** # - # Dependency injection helpers, override this for more - # granular testing - self._fetcher = requests - # **************************************************** # - - self._session = self._fetcher.session() self._provider_config = None self._smtp_config = None self._download_if_needed = False - def _download_config(self): + def _download_config(self, *args): """ Downloads the SMTP config for the given provider - - :return: True if everything went as expected, False otherwise - :rtype: bool """ leap_assert(self._provider_config, @@ -77,79 +61,59 @@ class SMTPBootstrapper(QtCore.QObject): logger.debug("Downloading SMTP config for %s" % (self._provider_config.get_domain(),)) - download_config_data = { - self.PASSED_KEY: False, - self.ERROR_KEY: "" - } - - try: - headers = {} - mtime = get_mtime(os.path.join(self._smtp_config - .get_path_prefix(), - "leap", - "providers", - self._provider_config.get_domain(), - "smtp-service.json")) - - if self._download_if_needed and mtime: - headers['if-modified-since'] = mtime - - # there is some confusion with this uri, - config_uri = "%s/%s/config/smtp-service.json" % ( - self._provider_config.get_api_uri(), - self._provider_config.get_api_version()) - logger.debug('Downloading SMTP config from: %s' % config_uri) - - srp_auth = SRPAuth(self._provider_config) - session_id = srp_auth.get_session_id() - cookies = None - if session_id: - cookies = {"_session_id": session_id} - - res = self._session.get(config_uri, - verify=self._provider_config - .get_ca_cert_path(), - headers=headers, - cookies=cookies) - res.raise_for_status() - - # Not modified - if res.status_code == 304: - logger.debug("SMTP definition has not been modified") - self._smtp_config.load(os.path.join( - "leap", "providers", - self._provider_config.get_domain(), - "smtp-service.json")) - else: - smtp_definition, mtime = get_content(res) - - self._smtp_config.load(data=smtp_definition, mtime=mtime) - self._smtp_config.save(["leap", - "providers", - self._provider_config.get_domain(), - "smtp-service.json"]) - - download_config_data[self.PASSED_KEY] = True - except Exception as e: - download_config_data[self.PASSED_KEY] = False - download_config_data[self.ERROR_KEY] = "%s" % (e,) - - logger.debug("Emitting download_config %s" % (download_config_data,)) - self.download_config.emit(download_config_data) - - return download_config_data[self.PASSED_KEY] + headers = {} + mtime = get_mtime(os.path.join(self._smtp_config + .get_path_prefix(), + "leap", + "providers", + self._provider_config.get_domain(), + "smtp-service.json")) + + if self._download_if_needed and mtime: + headers['if-modified-since'] = mtime + + # there is some confusion with this uri, + config_uri = "%s/%s/config/smtp-service.json" % ( + self._provider_config.get_api_uri(), + self._provider_config.get_api_version()) + logger.debug('Downloading SMTP config from: %s' % config_uri) + + srp_auth = SRPAuth(self._provider_config) + session_id = srp_auth.get_session_id() + cookies = None + if session_id: + cookies = {"_session_id": session_id} + + res = self._session.get(config_uri, + verify=self._provider_config + .get_ca_cert_path(), + headers=headers, + cookies=cookies) + res.raise_for_status() + + # Not modified + if res.status_code == 304: + logger.debug("SMTP definition has not been modified") + self._smtp_config.load(os.path.join("leap", + "providers", + self._provider_config.get_domain(), + "smtp-service.json")) + else: + smtp_definition, mtime = get_content(res) + + self._smtp_config.load(data=smtp_definition, mtime=mtime) + self._smtp_config.save(["leap", + "providers", + self._provider_config.get_domain(), + "smtp-service.json"]) def run_smtp_setup_checks(self, - checker, provider_config, smtp_config, download_if_needed=False): """ Starts the checks needed for a new smtp setup - :param checker: Object that executes actions in a different - thread - :type checker: leap.util.checkerthread.CheckerThread :param provider_config: Provider configuration :type provider_config: ProviderConfig :param smtp_config: SMTP configuration to populate @@ -164,6 +128,8 @@ class SMTPBootstrapper(QtCore.QObject): self._smtp_config = smtp_config self._download_if_needed = download_if_needed - checker.add_checks([ - self._download_config - ]) + cb_chain = [ + (self._download_config, self.download_config), + ] + + self.addCallbackChain(cb_chain) -- cgit v1.2.3