diff options
Diffstat (limited to 'WebKitTools/Scripts/webkitpy/common/net/networktransaction.py')
-rw-r--r-- | WebKitTools/Scripts/webkitpy/common/net/networktransaction.py | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/WebKitTools/Scripts/webkitpy/common/net/networktransaction.py b/WebKitTools/Scripts/webkitpy/common/net/networktransaction.py deleted file mode 100644 index de19e94..0000000 --- a/WebKitTools/Scripts/webkitpy/common/net/networktransaction.py +++ /dev/null @@ -1,72 +0,0 @@ -# Copyright (C) 2010 Google Inc. All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions are -# met: -# -# * Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# * Redistributions in binary form must reproduce the above -# copyright notice, this list of conditions and the following disclaimer -# in the documentation and/or other materials provided with the -# distribution. -# * Neither the name of Google Inc. nor the names of its -# contributors may be used to endorse or promote products derived from -# this software without specific prior written permission. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -import logging -import time - -from webkitpy.thirdparty.autoinstalled import mechanize -from webkitpy.common.system.deprecated_logging import log - - -_log = logging.getLogger(__name__) - - -class NetworkTimeout(Exception): - pass - - -class NetworkTransaction(object): - def __init__(self, initial_backoff_seconds=10, grown_factor=1.5, timeout_seconds=(10 * 60), convert_404_to_None=False): - self._initial_backoff_seconds = initial_backoff_seconds - self._grown_factor = grown_factor - self._timeout_seconds = timeout_seconds - self._convert_404_to_None = convert_404_to_None - - def run(self, request): - self._total_sleep = 0 - self._backoff_seconds = self._initial_backoff_seconds - while True: - try: - return request() - # FIXME: We should catch urllib2.HTTPError here too. - except mechanize.HTTPError, e: - if self._convert_404_to_None and e.code == 404: - return None - self._check_for_timeout() - _log.warn("Received HTTP status %s from server. Retrying in " - "%s seconds..." % (e.code, self._backoff_seconds)) - self._sleep() - - def _check_for_timeout(self): - if self._total_sleep + self._backoff_seconds > self._timeout_seconds: - raise NetworkTimeout() - - def _sleep(self): - time.sleep(self._backoff_seconds) - self._total_sleep += self._backoff_seconds - self._backoff_seconds *= self._grown_factor |