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# coding=utf-8
#
# Copyright © 2011-2015 Splunk, 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.
""" Sets the packages path and optionally starts the Python remote debugging client.
The Python remote debugging client depends on the settings of the variables defined in _pydebug_conf.py. Set these
variables in _pydebug_conf.py to enable/disable debugging using either the JetBrains PyCharm or Eclipse PyDev remote
debug egg which must be copied to your application's bin directory and renamed as _pydebug.egg.
"""
from __future__ import absolute_import, division, print_function, unicode_literals
import os
settrace = stoptrace = lambda: NotImplemented
remote_debugging = None
def initialize():
from os import path
from sys import modules, path as python_path
import platform
module_dir = path.dirname(path.realpath(__file__))
system = platform.system()
for packages in path.join(module_dir, "packages"), path.join(
path.join(module_dir, "packages", system)
):
if not path.isdir(packages):
break
python_path.insert(0, path.join(packages))
configuration_file = path.join(module_dir, "_pydebug_conf.py")
if not path.exists(configuration_file):
return
debug_client = path.join(module_dir, "_pydebug.egg")
if not path.exists(debug_client):
return
_remote_debugging = {
"client_package_location": debug_client,
"is_enabled": False,
"host": None,
"port": 5678,
"suspend": True,
"stderr_to_server": False,
"stdout_to_server": False,
"overwrite_prev_trace": False,
"patch_multiprocessing": False,
"trace_only_current_thread": False,
}
exec(
compile(open(configuration_file).read(), configuration_file, "exec"),
{"__builtins__": __builtins__},
_remote_debugging,
)
python_path.insert(1, debug_client)
from splunklib.searchcommands import splunklib_logger as logger
import pydevd
def _settrace():
host, port = _remote_debugging["host"], _remote_debugging["port"]
logger.debug("Connecting to Python debug server at %s:%d", host, port)
try:
pydevd.settrace(
host=host,
port=port,
suspend=_remote_debugging["suspend"],
stderrToServer=_remote_debugging["stderr_to_server"],
stdoutToServer=_remote_debugging["stdout_to_server"],
overwrite_prev_trace=_remote_debugging["overwrite_prev_trace"],
patch_multiprocessing=_remote_debugging["patch_multiprocessing"],
trace_only_current_thread=_remote_debugging[
"trace_only_current_thread"
],
)
except SystemExit as error:
logger.error(
"Failed to connect to Python debug server at %s:%d: %s",
host,
port,
error,
)
else:
logger.debug("Connected to Python debug server at %s:%d", host, port)
global remote_debugging
remote_debugging = _remote_debugging
global settrace
settrace = _settrace
global stoptrace
stoptrace = pydevd.stoptrace
remote_debugging_is_enabled = _remote_debugging["is_enabled"]
if isinstance(remote_debugging_is_enabled, (list, set, tuple)):
app_name = path.splitext(path.basename(modules["__main__"].__file__))[0]
remote_debugging_is_enabled = app_name in remote_debugging_is_enabled
if remote_debugging_is_enabled is True:
settrace()
return
initialize()
del initialize