X-Git-Url: https://git.phdru.name/?a=blobdiff_plain;f=Robots%2Fbkmk_rforking.py;h=cad8b2d0978e9ccb95c6560fa9164e047a991664;hb=HEAD;hp=c04026e2cc6c48ce4c55425dbc585333906ae667;hpb=ca3a9bce3feac7ccc06a76c33182142033480f95;p=bookmarks_db.git diff --git a/Robots/bkmk_rforking.py b/Robots/bkmk_rforking.py index c04026e..7b458df 100644 --- a/Robots/bkmk_rforking.py +++ b/Robots/bkmk_rforking.py @@ -1,82 +1,113 @@ -""" - Forking robot +"""Forking robot - Written by BroytMann. Copyright (C) 2000-2007 PhiloSoft Design. +This file is a part of Bookmarks database and Internet robot. """ +__author__ = "Oleg Broytman " +__copyright__ = "Copyright (C) 2000-2023 PhiloSoft Design" +__license__ = "GNU GPL" + +__all__ = ['robot_forking'] + + +import os +import sys try: - import cPickle - pickle = cPickle + import cPickle as pickle except ImportError: - import pickle + import pickle -import sys, os from subproc import Subprocess, RecordFile +from bkmk_objects import Robot + # This is to catch 'close failed: [Errno 9] Bad file descriptor' message -# from os.close() in Subprocess.die() and errors from from the subprocess. -sys.stderr = open("err.log", 'a') +# from os.close() in Subprocess.die() and errors from the subprocess. +sys.stderr = open("err.log", 'at') check_subp = None subp_pipe = None + def stop_subp(log): - global check_subp, subp_pipe - if check_subp: - if log: log(" restarting hanging subprocess") - del check_subp - del subp_pipe + global check_subp, subp_pipe + if check_subp: + if log: log(" restarting hanging subprocess") + del check_subp + del subp_pipe + def restart_subp(log): - global check_subp, subp_pipe - stop_subp(log) + global check_subp, subp_pipe + stop_subp(log) - check_subp = Subprocess("%s/Robots/bkmk_rforking_sub.py" % os.path.dirname(sys.argv[0]), - control_stderr=True) - subp_pipe = RecordFile(check_subp) + check_subp = Subprocess("%s/Robots/bkmk_rforking_sub.py" + % os.path.dirname(sys.argv[0]), + control_stderr=True) + subp_pipe = RecordFile(check_subp) -from bkmk_objects import Robot +_set_subproc = True + class robot_forking(Robot): - def check_url(self, bookmark): - if not check_subp: - restart_subp(self.log) # Not restart, just start afresh - - try: - save_parent = bookmark.parent - bookmark.parent = None - - bookmark.tempfname = self.tempfname - subp_pipe.write_record(pickle.dumps(bookmark)) - - if check_subp.waitForPendingChar(900): # wait 15 minutes - new_b = pickle.loads(subp_pipe.read_record()) - for attr in ("error", "no_error", - "moved", "size", "md5", "real_title", - "last_tested", "last_modified", "test_time", "icon"): - if hasattr(new_b, attr): - setattr(bookmark, attr, getattr(new_b, attr)) - else: - bookmark.error = "Subprocess connection timed out" - restart_subp(self.log) - - bookmark.parent = save_parent - - while True: - error = check_subp.readPendingErrLine() - if not error: - break - sys.stderr.write("(subp) " + error) - sys.stderr.flush() - - except KeyboardInterrupt: - return 0 - - # Tested - return 1 - - - def stop(self): - stop_subp(None) # Stop subprocess; do not log restarting + subproc = 'urllib' # Default subprocess + + def check_url(self, bookmark): + global _set_subproc + if _set_subproc: + _set_subproc = False + + subproc = self.subproc + subproc_attrs = [] + for attr in dir(self): + if attr.startswith('subproc_'): + subproc_attrs.append( + (attr[len('subproc_'):], getattr(self, attr)) + ) + if subproc_attrs: + subproc += ':' + ':'.join( + ['='.join((k, v)) for k, v in subproc_attrs] + ) + os.environ['BKMK_ROBOT'] = subproc + + if not check_subp: + restart_subp(self.log) # Not restart, just start afresh + + try: + save_parent = bookmark.parent + bookmark.parent = None + subp_pipe.write_record(pickle.dumps(bookmark)) + + if check_subp.waitForPendingChar(60): # wait a minute + new_b = pickle.loads(subp_pipe.read_record()) + for attr in ( + "error", "no_error", + "moved", "size", "md5", "real_title", + "last_tested", "last_modified", "test_time", + "icon", "icon_href", "charset", + ): + if hasattr(new_b, attr): + setattr(bookmark, attr, getattr(new_b, attr)) + else: + bookmark.error = "Subprocess connection timed out" + restart_subp(self.log) + + bookmark.parent = save_parent + + while True: + error = check_subp.readPendingErrLine() + if not error: + break + sys.stderr.write("(subp) %s" % error) + sys.stderr.flush() + + except KeyboardInterrupt: + return 0 + + # Tested + return 1 + + def stop(self): + stop_subp(None) # Stop subprocess; do not log restarting