mirror of
https://github.com/internetarchive/warcprox.git
synced 2025-01-18 13:22:09 +01:00
109 lines
3.3 KiB
Python
109 lines
3.3 KiB
Python
"""
|
|
warcprox/__init__.py - warcprox package main file, contains some utility code
|
|
|
|
Copyright (C) 2013-2017 Internet Archive
|
|
|
|
This program 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 2
|
|
of the License, or (at your option) any later version.
|
|
|
|
This program 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 this program; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
|
|
USA.
|
|
"""
|
|
|
|
from argparse import Namespace as _Namespace
|
|
from pkg_resources import get_distribution as _get_distribution
|
|
__version__ = _get_distribution('warcprox').version
|
|
try:
|
|
import queue
|
|
except ImportError:
|
|
import Queue as queue
|
|
import datetime
|
|
|
|
def digest_str(hash_obj, base32):
|
|
import base64
|
|
return hash_obj.name.encode('utf-8') + b':' + (
|
|
base64.b32encode(hash_obj.digest()) if base32
|
|
else hash_obj.hexdigest().encode('ascii'))
|
|
|
|
class Options(_Namespace):
|
|
def __getattr__(self, name):
|
|
try:
|
|
return super(Options, self).__getattr__(self, name)
|
|
except AttributeError:
|
|
return None
|
|
|
|
class TimestampedQueue(queue.Queue):
|
|
"""
|
|
A queue.Queue that exposes the time enqueued of the oldest item in the
|
|
queue.
|
|
"""
|
|
def put(self, item, block=True, timeout=None):
|
|
return queue.Queue.put(
|
|
self, (datetime.datetime.utcnow(), item), block, timeout)
|
|
|
|
def get(self, block=True, timeout=None):
|
|
timestamp, item = self.get_with_timestamp(block, timeout)
|
|
return item
|
|
|
|
get_with_timestamp = queue.Queue.get
|
|
|
|
def oldest_timestamp(self):
|
|
with self.mutex:
|
|
if self.queue:
|
|
timestamp, item = self.queue[0]
|
|
else:
|
|
return None
|
|
return timestamp
|
|
|
|
def seconds_behind(self):
|
|
timestamp = self.oldest_timestamp()
|
|
if timestamp:
|
|
return (datetime.datetime.utcnow() - timestamp).total_seconds()
|
|
else:
|
|
return 0.0
|
|
|
|
# XXX linux-specific
|
|
def gettid():
|
|
try:
|
|
import ctypes
|
|
libc = ctypes.cdll.LoadLibrary('libc.so.6')
|
|
SYS_gettid = 186
|
|
tid = libc.syscall(SYS_gettid)
|
|
return tid
|
|
except:
|
|
return "n/a"
|
|
|
|
class RequestBlockedByRule(Exception):
|
|
"""
|
|
An exception raised when a request should be blocked to respect a
|
|
Warcprox-Meta rule.
|
|
"""
|
|
def __init__(self, msg):
|
|
self.msg = msg
|
|
def __str__(self):
|
|
return "%s: %s" % (self.__class__.__name__, self.msg)
|
|
|
|
# logging level more fine-grained than logging.DEBUG==10
|
|
TRACE = 5
|
|
|
|
import warcprox.controller as controller
|
|
import warcprox.playback as playback
|
|
import warcprox.dedup as dedup
|
|
import warcprox.warcproxy as warcproxy
|
|
import warcprox.mitmproxy as mitmproxy
|
|
import warcprox.writer as writer
|
|
import warcprox.warc as warc
|
|
import warcprox.writerthread as writerthread
|
|
import warcprox.stats as stats
|
|
import warcprox.bigtable as bigtable
|
|
import warcprox.kafkafeed as kafkafeed
|