39 lines
1.1 KiB
Python
39 lines
1.1 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import pdb
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import sys
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"""For debugging inside a child process.
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import pdb;pdb.set_trace() does not work
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with python multiprocessing.
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Instead use below pdb class to debug inside
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a worker process / child process.
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"""
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class ForkedPdb(pdb.Pdb):
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"""A Pdb subclass that may be used
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from a forked multiprocessing child
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"""
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def interaction(self, *args, **kwargs):
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_stdin = sys.stdin
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try:
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sys.stdin = file('/dev/stdin')
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pdb.Pdb.interaction(self, *args, **kwargs)
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finally:
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sys.stdin = _stdin
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