ac88ab76eb
zuul/lib/repl.py:29: DeprecationWarning: currentThread() is deprecated, use current_thread() instead obj = self.files.get(threading.currentThread(), self.default) Change-Id: I6f5a9b6b169b882024a41623364eefe0955796ef
82 lines
2.5 KiB
Python
82 lines
2.5 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
# not use this file except in compliance with the License. You may obtain
|
|
# a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
# License for the specific language governing permissions and limitations
|
|
# under the License.
|
|
|
|
# Based on ASL2 code from:
|
|
# https://gist.github.com/tim-patterson/4471877
|
|
|
|
import sys
|
|
import io
|
|
import threading
|
|
import socketserver
|
|
import code
|
|
|
|
|
|
class ThreadLocalProxy(object):
|
|
def __init__(self, default):
|
|
self.files = {}
|
|
self.default = default
|
|
|
|
def __getattr__(self, name):
|
|
obj = self.files.get(threading.current_thread(), self.default)
|
|
return getattr(obj, name)
|
|
|
|
def register(self, obj):
|
|
self.files[threading.current_thread()] = obj
|
|
|
|
def unregister(self):
|
|
self.files.pop(threading.current_thread())
|
|
|
|
|
|
class REPLHandler(socketserver.StreamRequestHandler):
|
|
def handle(self):
|
|
sys.stdout.register(io.TextIOWrapper(self.wfile, 'utf8'))
|
|
sys.stderr.register(io.TextIOWrapper(self.wfile, 'utf8'))
|
|
sys.stdin.register(io.TextIOWrapper(self.rfile, 'utf8'))
|
|
try:
|
|
console = code.InteractiveConsole(locals())
|
|
console.interact('Console:')
|
|
except Exception:
|
|
pass
|
|
finally:
|
|
sys.stdout.unregister()
|
|
sys.stderr.unregister()
|
|
sys.stdin.unregister()
|
|
|
|
|
|
class REPLThreadedTCPServer(socketserver.ThreadingMixIn,
|
|
socketserver.TCPServer):
|
|
daemon_threads = True
|
|
allow_reuse_address = True
|
|
|
|
def __init__(self, scheduler, *args, **kw):
|
|
self.scheduler = scheduler
|
|
super(REPLThreadedTCPServer, self).__init__(*args, **kw)
|
|
sys.stdout = ThreadLocalProxy(sys.stdout)
|
|
sys.stderr = ThreadLocalProxy(sys.stderr)
|
|
sys.stdin = ThreadLocalProxy(sys.stdin)
|
|
|
|
|
|
class REPLServer(object):
|
|
def __init__(self, scheduler):
|
|
self.server = REPLThreadedTCPServer(
|
|
scheduler, ('localhost', 3000), REPLHandler)
|
|
|
|
def start(self):
|
|
self.thread = threading.Thread(target=self.server.serve_forever)
|
|
self.thread.daemon = True
|
|
self.thread.start()
|
|
|
|
def stop(self):
|
|
self.server.shutdown()
|
|
self.server.server_close()
|
|
self.thread.join(10)
|