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# -*- coding: utf-8 -*-
# The LLVM Compiler Infrastructure
#
# This file is distributed under the University of Illinois Open Source
# License. See LICENSE.TXT for details.
"""
This module responsible to run the Clang static analyzer against any build
and generate reports.
"""
def duplicate_check(method):
""" Predicate to detect duplicated entries.
Unique hash method can be use to detect duplicates. Entries are
represented as dictionaries, which has no default hash method.
This implementation uses a set datatype to store the unique hash values.
This method returns a method which can detect the duplicate values. """
def predicate(entry):
entry_hash = predicate.unique(entry)
if entry_hash not in predicate.state:
predicate.state.add(entry_hash)
return False
return True
predicate.unique = method
predicate.state = set()
return predicate
def tempdir():
""" Return the default temorary directory. """
from os import getenv
return getenv('TMPDIR', getenv('TEMP', getenv('TMP', '/tmp')))
def initialize_logging(verbose_level):
""" Output content controlled by the verbosity level. """
import sys
import os.path
import logging
level = logging.WARNING - min(logging.WARNING, (10 * verbose_level))
if verbose_level <= 3:
fmt_string = '{0}: %(levelname)s: %(message)s'
else:
fmt_string = '{0}: %(levelname)s: %(funcName)s: %(message)s'
program = os.path.basename(sys.argv[0])
logging.basicConfig(format=fmt_string.format(program), level=level)
def command_entry_point(function):
""" Decorator for command entry points. """
import functools
import logging
@functools.wraps(function)
def wrapper(*args, **kwargs):
exit_code = 127
try:
exit_code = function(*args, **kwargs)
except KeyboardInterrupt:
logging.warning('Keyboard interupt')
except Exception:
logging.exception('Internal error.')
if logging.getLogger().isEnabledFor(logging.DEBUG):
logging.error("Please report this bug and attach the output "
"to the bug report")
else:
logging.error("Please run this command again and turn on "
"verbose mode (add '-vvv' as argument).")
finally:
return exit_code
return wrapper
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