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90 lines
2.8 KiB
Python
90 lines
2.8 KiB
Python
import os
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import time
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from test.support import MS_WINDOWS
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from .results import TestResults
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from .runtests import RunTests
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from .utils import print_warning
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if MS_WINDOWS:
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from .win_utils import WindowsLoadTracker
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class Logger:
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def __init__(self, results: TestResults, quiet: bool, pgo: bool):
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self.start_time = time.perf_counter()
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self.test_count_text = ''
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self.test_count_width = 3
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self.win_load_tracker: WindowsLoadTracker | None = None
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self._results: TestResults = results
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self._quiet: bool = quiet
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self._pgo: bool = pgo
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def log(self, line: str = '') -> None:
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empty = not line
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# add the system load prefix: "load avg: 1.80 "
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load_avg = self.get_load_avg()
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if load_avg is not None:
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line = f"load avg: {load_avg:.2f} {line}"
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# add the timestamp prefix: "0:01:05 "
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log_time = time.perf_counter() - self.start_time
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mins, secs = divmod(int(log_time), 60)
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hours, mins = divmod(mins, 60)
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formatted_log_time = "%d:%02d:%02d" % (hours, mins, secs)
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line = f"{formatted_log_time} {line}"
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if empty:
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line = line[:-1]
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print(line, flush=True)
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def get_load_avg(self) -> float | None:
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if hasattr(os, 'getloadavg'):
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try:
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return os.getloadavg()[0]
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except OSError:
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pass
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if self.win_load_tracker is not None:
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return self.win_load_tracker.getloadavg()
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return None
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def display_progress(self, test_index: int, text: str) -> None:
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if self._quiet:
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return
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results = self._results
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# "[ 51/405/1] test_tcl passed"
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line = f"{test_index:{self.test_count_width}}{self.test_count_text}"
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fails = len(results.bad) + len(results.env_changed)
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if fails and not self._pgo:
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line = f"{line}/{fails}"
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self.log(f"[{line}] {text}")
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def set_tests(self, runtests: RunTests) -> None:
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if runtests.forever:
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self.test_count_text = ''
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self.test_count_width = 3
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else:
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self.test_count_text = '/{}'.format(len(runtests.tests))
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self.test_count_width = len(self.test_count_text) - 1
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def start_load_tracker(self) -> None:
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if not MS_WINDOWS:
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return
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try:
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self.win_load_tracker = WindowsLoadTracker()
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except PermissionError as error:
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# Standard accounts may not have access to the performance
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# counters.
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print_warning(f'Failed to create WindowsLoadTracker: {error}')
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def stop_load_tracker(self) -> None:
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if self.win_load_tracker is None:
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return
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self.win_load_tracker.close()
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self.win_load_tracker = None
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