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"""
Wait for the background Windows disk cleanup process.
"""
import ctypes
import time
from free_disk_space_windows_util import get_pid_file, get_log_file, run_main
def is_process_running(pid: int) -> bool:
PROCESS_QUERY_LIMITED_INFORMATION = 0x1000
processHandle = ctypes.windll.kernel32.OpenProcess(
PROCESS_QUERY_LIMITED_INFORMATION, 0, pid
)
if processHandle == 0:
# The process is not running.
# If you don't have the sufficient rights to check if a process is running,
# zero is also returned. But in GitHub Actions we have these rights.
return False
else:
ctypes.windll.kernel32.CloseHandle(processHandle)
return True
def print_logs():
"""Print the logs from the cleanup script."""
log_file = get_log_file()
if log_file.exists():
print("free-disk-space logs:")
# Print entire log; replace undecodable bytes to avoid exceptions.
try:
with open(log_file, "r", encoding="utf-8", errors="replace") as f:
print(f.read())
except Exception as e:
raise Exception(f"Failed to read log file '{log_file}'") from e
else:
print(f"::warning::Log file '{log_file}' not found")
def read_pid_from_file() -> int:
"""Read the PID from the pid file."""
pid_file = get_pid_file()
if not pid_file.exists():
raise Exception(
f"No background free-disk-space process to wait for: pid file {pid_file} not found"
)
pid_file_content = pid_file.read_text().strip()
# Delete the file if it exists
pid_file.unlink(missing_ok=True)
try:
# Read the first line and convert to int.
pid = int(pid_file_content.splitlines()[0])
return pid
except Exception as e:
raise Exception(
f"Error while parsing the pid file with content '{pid_file_content!r}'"
) from e
def wait_for_process(pid: int):
timeout_duration_seconds = 5 * 60
interval_seconds = 3
max_attempts = timeout_duration_seconds / interval_seconds
attempts = 0
# Poll until process exits
while is_process_running(pid):
if attempts >= max_attempts:
print(
"::warning::Timeout expired while waiting for the disk cleanup process to finish."
)
break
time.sleep(interval_seconds)
attempts += 1
def main() -> int:
pid = read_pid_from_file()
wait_for_process(pid)
print_logs()
return 0
if __name__ == "__main__":
run_main(main)
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