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#
# (C) Copyright IBM Corp. 2017
#
# 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.
#
import os
import os.path
import json
import time
class Profile:
PROCESS_FILE_NAME = "toree.pid"
CONFIGURATION_FILE_NAME = "profile.json"
profilePath = None
def __init__(self, profilePath):
self.profilePath = profilePath
def pidLocation(self):
return self.profilePath + '/' + self.PROCESS_FILE_NAME
def configurationLocation(self):
return self.profilePath + '/' + self.CONFIGURATION_FILE_NAME
def isAvailable(self):
taken = os.path.exists(self.pidLocation())
return not taken
def reserve(self):
open(self.pidLocation(), 'a').close()
def release(self):
if os.path.exists(self.pidLocation()):
os.remove(self.pidLocation())
def pid(self):
with open(self.pidLocation(), 'r') as pid_file:
data = pid_file.read()
return data
def updatePid(self, pid):
try:
file = open(self.pidLocation(), 'w')
file.write(pid)
finally:
file.close
def config(self):
with open(self.configurationLocation(), 'r') as data_file:
return json.load(data_file) #, object_hook=util._byteify
"""
p = Profile('/Users/lresende/opensource/jupyter/toree-gateway/src/main/resources/profiles/kernel-1')
print(p.pidLocation())
print(p.configurationLocation())
print(p.isAvailable())
c = p.config()
print(c['stdin_port'])
p.reserve()
time.sleep(10)
p.release()
"""
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