51 lines
1.3 KiB
Python
51 lines
1.3 KiB
Python
# Python imports
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import os
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import json
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import inspect
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# Lib imports
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# Application imports
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class StartCheckMixin:
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def is_dirty_start(self) -> bool: return self._dirty_start
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def clear_pid(self): self._clean_pid()
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def do_dirty_start_check(self):
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if not os.path.exists(self._PID_FILE):
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self._write_new_pid()
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else:
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with open(self._PID_FILE, "r") as _pid:
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pid = _pid.readline().strip()
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if pid not in ("", None):
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self._check_alive_status(int(pid))
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else:
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self._write_new_pid()
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""" Check For the existence of a unix pid. """
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def _check_alive_status(self, pid):
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print(f"PID Found: {pid}")
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try:
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os.kill(pid, 0)
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except OSError:
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print(f"{app_name} is starting dirty...")
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self._dirty_start = True
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self._write_new_pid()
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return
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print("PID is alive... Let downstream errors (sans debug args) handle app closure propigation.")
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def _write_new_pid(self):
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pid = os.getpid()
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self._write_pid(pid)
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def _clean_pid(self):
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os.unlink(self._PID_FILE)
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def _write_pid(self, pid):
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with open(self._PID_FILE, "w") as _pid:
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_pid.write(f"{pid}")
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