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# Copyright 2013-2014 The Meson development team
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import sys, os, platform, io
"""This is (mostly) a standalone module used to write logging
information about Meson runs. Some output goes to screen,
some to logging dir and some goes to both."""
colorize_console = platform.system().lower() != 'windows' and os.isatty(sys.stdout.fileno()) and \
os.environ.get('TERM') != 'dumb'
log_dir = None
log_file = None
def initialize(logdir):
global log_dir, log_file
log_dir = logdir
log_file = open(os.path.join(logdir, 'meson-log.txt'), 'w', encoding='utf8')
def shutdown():
global log_file
if log_file is not None:
exception_around_goer = log_file
log_file = None
exception_around_goer.close()
class AnsiDecorator:
plain_code = "\033[0m"
def __init__(self, text, code):
self.text = text
self.code = code
def get_text(self, with_codes):
if with_codes:
return self.code + self.text + AnsiDecorator.plain_code
return self.text
def bold(text):
return AnsiDecorator(text, "\033[1m")
def red(text):
return AnsiDecorator(text, "\033[1;31m")
def green(text):
return AnsiDecorator(text, "\033[1;32m")
def yellow(text):
return AnsiDecorator(text, "\033[1;33m")
def cyan(text):
return AnsiDecorator(text, "\033[1;36m")
def process_markup(args, keep):
arr = []
for arg in args:
if isinstance(arg, str):
arr.append(arg)
elif isinstance(arg, AnsiDecorator):
arr.append(arg.get_text(keep))
else:
arr.append(str(arg))
return arr
def force_print(*args, **kwargs):
# _Something_ is going to get printed.
try:
print(*args, **kwargs)
except UnicodeEncodeError:
iostr = io.StringIO()
kwargs['file'] = iostr
print(*args, **kwargs)
cleaned = iostr.getvalue().encode('ascii', 'replace').decode('ascii')
print(cleaned)
def debug(*args, **kwargs):
arr = process_markup(args, False)
if log_file is not None:
print(*arr, file=log_file, **kwargs) # Log file never gets ANSI codes.
log_file.flush()
def log(*args, **kwargs):
arr = process_markup(args, False)
if log_file is not None:
print(*arr, file=log_file, **kwargs) # Log file never gets ANSI codes.
log_file.flush()
if colorize_console:
arr = process_markup(args, True)
force_print(*arr, **kwargs)
def warning(*args, **kwargs):
log(yellow('WARNING:'), *args, **kwargs)
# Format a list for logging purposes as a string. It separates
# all but the last item with commas, and the last with 'and'.
def format_list(list):
l = len(list)
if l > 2:
return ' and '.join([', '.join(list[:-1]), list[-1]])
elif l == 2:
return ' and '.join(list)
elif l == 1:
return list[0]
else:
return ''