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