mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-07-04 19:29:55 +00:00
124 lines
3.8 KiB
Python
124 lines
3.8 KiB
Python
# This Source Code Form is subject to the terms of the Mozilla Public
|
|
# License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
|
|
import logging
|
|
import sys
|
|
import threading
|
|
from StringIO import StringIO
|
|
from multiprocessing import Queue
|
|
|
|
from mozlog import commandline, stdadapter
|
|
|
|
def setup(args, defaults):
|
|
logger = commandline.setup_logging("web-platform-tests", args, defaults)
|
|
setup_stdlib_logger()
|
|
|
|
for name in args.keys():
|
|
if name.startswith("log_"):
|
|
args.pop(name)
|
|
|
|
return logger
|
|
|
|
|
|
def setup_stdlib_logger():
|
|
logging.root.handlers = []
|
|
logging.root = stdadapter.std_logging_adapter(logging.root)
|
|
|
|
|
|
class LogLevelRewriter(object):
|
|
"""Filter that replaces log messages at specified levels with messages
|
|
at a different level.
|
|
|
|
This can be used to e.g. downgrade log messages from ERROR to WARNING
|
|
in some component where ERRORs are not critical.
|
|
|
|
:param inner: Handler to use for messages that pass this filter
|
|
:param from_levels: List of levels which should be affected
|
|
:param to_level: Log level to set for the affected messages
|
|
"""
|
|
def __init__(self, inner, from_levels, to_level):
|
|
self.inner = inner
|
|
self.from_levels = [item.upper() for item in from_levels]
|
|
self.to_level = to_level.upper()
|
|
|
|
def __call__(self, data):
|
|
if data["action"] == "log" and data["level"].upper() in self.from_levels:
|
|
data = data.copy()
|
|
data["level"] = self.to_level
|
|
return self.inner(data)
|
|
|
|
|
|
|
|
class LogThread(threading.Thread):
|
|
def __init__(self, queue, logger, level):
|
|
self.queue = queue
|
|
self.log_func = getattr(logger, level)
|
|
threading.Thread.__init__(self, name="Thread-Log")
|
|
self.daemon = True
|
|
|
|
def run(self):
|
|
while True:
|
|
try:
|
|
msg = self.queue.get()
|
|
except (EOFError, IOError):
|
|
break
|
|
if msg is None:
|
|
break
|
|
else:
|
|
self.log_func(msg)
|
|
|
|
|
|
class LoggingWrapper(StringIO):
|
|
"""Wrapper for file like objects to redirect output to logger
|
|
instead"""
|
|
|
|
def __init__(self, queue, prefix=None):
|
|
self.queue = queue
|
|
self.prefix = prefix
|
|
|
|
def write(self, data):
|
|
if isinstance(data, str):
|
|
data = data.decode("utf8")
|
|
|
|
if data.endswith("\n"):
|
|
data = data[:-1]
|
|
if data.endswith("\r"):
|
|
data = data[:-1]
|
|
if not data:
|
|
return
|
|
if self.prefix is not None:
|
|
data = "%s: %s" % (self.prefix, data)
|
|
self.queue.put(data)
|
|
|
|
def flush(self):
|
|
pass
|
|
|
|
class CaptureIO(object):
|
|
def __init__(self, logger, do_capture):
|
|
self.logger = logger
|
|
self.do_capture = do_capture
|
|
self.logging_queue = None
|
|
self.logging_thread = None
|
|
self.original_stdio = None
|
|
|
|
def __enter__(self):
|
|
if self.do_capture:
|
|
self.original_stdio = (sys.stdout, sys.stderr)
|
|
self.logging_queue = Queue()
|
|
self.logging_thread = LogThread(self.logging_queue, self.logger, "info")
|
|
sys.stdout = LoggingWrapper(self.logging_queue, prefix="STDOUT")
|
|
sys.stderr = LoggingWrapper(self.logging_queue, prefix="STDERR")
|
|
self.logging_thread.start()
|
|
|
|
def __exit__(self, *args, **kwargs):
|
|
if self.do_capture:
|
|
sys.stdout, sys.stderr = self.original_stdio
|
|
if self.logging_queue is not None:
|
|
self.logger.info("Closing logging queue")
|
|
self.logging_queue.put(None)
|
|
if self.logging_thread is not None:
|
|
self.logging_thread.join(10)
|
|
self.logging_queue.close()
|
|
self.logger.info("queue closed")
|