blob: e3f4fca389dd505c24c9e974cd8fe8113c5dcac1 [file] [log] [blame]
#!/usr/bin/env python
#
# Copyright 2007 Google Inc.
#
# 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.
#
"""A handler that provides an interactive console."""
import threading
from google.appengine.tools.devappserver2 import module
from google.appengine.tools.devappserver2.admin import admin_request_handler
class ConsoleRequestHandler(admin_request_handler.AdminRequestHandler):
"""Provides an interactive console for modules that support it."""
_modulename_to_shell_module = {}
_modulename_to_shell_module_lock = threading.Lock()
def get(self):
self.response.write(
self.render('console.html',
{'modules': [modul for modul in self.dispatcher.modules
if modul.supports_interactive_commands]}))
def post(self):
module_name = self.request.get('module_name')
with self._modulename_to_shell_module_lock:
if module_name in self._modulename_to_shell_module:
modul = self._modulename_to_shell_module[module_name]
else:
modul = self.dispatcher.get_module_by_name(
module_name).create_interactive_command_module()
self._modulename_to_shell_module[module_name] = modul
self.response.content_type = 'text/plain'
try:
response = modul.send_interactive_command(self.request.get('code'))
except module.InteractiveCommandError, e:
response = str(e)
self.response.write(response)
@classmethod
def quit(cls):
with cls._modulename_to_shell_module_lock:
for shell_module in cls._modulename_to_shell_module.itervalues():
shell_module.quit()
@classmethod
def restart(cls, request, module_name):
with cls._modulename_to_shell_module_lock:
if module_name in cls._modulename_to_shell_module:
modul = cls._modulename_to_shell_module[module_name]
modul.restart()