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The original tool wasn't working right and it was simpler to create a new one, partially re-using some of the old code. At this point the tool runs properly on the master. (Try: ./python Tools/c-analyzer/c-analyzer.py analyze.) It take ~40 seconds on my machine to analyze the full CPython code base. Note that we'll need to iron out some OS-specific stuff (e.g. preprocessor). We're okay though since this tool isn't used yet in our workflow. We will also need to verify the analysis results in detail before activating the check in CI, though I'm pretty sure it's close. https://bugs.python.org/issue36876
63 lines
1.7 KiB
Python
63 lines
1.7 KiB
Python
import logging
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import sys
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VERBOSITY = 3
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# The root logger for the whole top-level package:
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_logger = logging.getLogger(__name__.rpartition('.')[0])
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def configure_logger(logger, verbosity=VERBOSITY, *,
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logfile=None,
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maxlevel=logging.CRITICAL,
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):
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level = max(1, # 0 disables it, so we use the next lowest.
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min(maxlevel,
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maxlevel - verbosity * 10))
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logger.setLevel(level)
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#logger.propagate = False
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if not logger.handlers:
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if logfile:
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handler = logging.FileHandler(logfile)
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else:
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handler = logging.StreamHandler(sys.stdout)
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handler.setLevel(level)
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#handler.setFormatter(logging.Formatter())
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logger.addHandler(handler)
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# In case the provided logger is in a sub-package...
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if logger is not _logger:
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configure_logger(
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_logger,
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verbosity,
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logfile=logfile,
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maxlevel=maxlevel,
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)
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def hide_emit_errors():
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"""Ignore errors while emitting log entries.
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Rather than printing a message desribing the error, we show nothing.
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"""
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# For now we simply ignore all exceptions. If we wanted to ignore
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# specific ones (e.g. BrokenPipeError) then we would need to use
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# a Handler subclass with a custom handleError() method.
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orig = logging.raiseExceptions
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logging.raiseExceptions = False
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def restore():
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logging.raiseExceptions = orig
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return restore
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class Printer:
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def __init__(self, verbosity=VERBOSITY):
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self.verbosity = verbosity
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def info(self, *args, **kwargs):
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if self.verbosity < 3:
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return
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print(*args, **kwargs)
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