| index : archinstall32 | |
| Archlinux32 installer | gitolite user |
| summaryrefslogtreecommitdiff |
| -rw-r--r-- | archinstall/lib/output.py | 154 |
diff --git a/archinstall/lib/output.py b/archinstall/lib/output.py index d65f835f..bd31b5b3 100644 --- a/archinstall/lib/output.py +++ b/archinstall/lib/output.py @@ -1,15 +1,16 @@ import logging import os import sys +from enum import Enum + from pathlib import Path from typing import Dict, Union, List, Any, Callable, Optional +from dataclasses import asdict, is_dataclass from .storage import storage -from dataclasses import asdict, is_dataclass class FormattedOutput: - @classmethod def values( cls, @@ -118,7 +119,7 @@ class FormattedOutput: class Journald: @staticmethod - def log(message :str, level :int = logging.DEBUG) -> None: + def log(message: str, level: int = logging.DEBUG) -> None: try: import systemd.journal # type: ignore except ModuleNotFoundError: @@ -134,16 +135,37 @@ class Journald: log_adapter.log(level, message) -# TODO: Replace log() for session based logging. -class SessionLogging: - def __init__(self): - pass +def check_log_permissions(): + filename = storage.get('LOG_FILE', None) + + if not filename: + return + + log_dir = storage.get('LOG_PATH', Path('./')) + absolute_logfile = log_dir / filename + + try: + log_dir.mkdir(exist_ok=True, parents=True) + with absolute_logfile.open('a') as fp: + fp.write('') + except PermissionError: + # Fallback to creating the log file in the current folder + fallback_log_file = Path('./').absolute() / filename + absolute_logfile = fallback_log_file + absolute_logfile.mkdir(exist_ok=True, parents=True) + storage['LOG_PATH'] = Path('./').absolute() + err_string = f"Not enough permission to place log file at {absolute_logfile}, creating it in {fallback_log_file} instead." + warn(err_string) -# Found first reference here: https://stackoverflow.com/questions/7445658/how-to-detect-if-the-console-does-support-ansi-escape-codes-in-python -# And re-used this: https://github.com/django/django/blob/master/django/core/management/color.py#L12 -def supports_color() -> bool: + +def _supports_color() -> bool: """ + Found first reference here: + https://stackoverflow.com/questions/7445658/how-to-detect-if-the-console-does-support-ansi-escape-codes-in-python + And re-used this: + https://github.com/django/django/blob/master/django/core/management/color.py#L12 + Return True if the running system's terminal supports color, and False otherwise. """ @@ -154,13 +176,30 @@ def supports_color() -> bool: return supported_platform and is_a_tty -# Heavily influenced by: https://github.com/django/django/blob/ae8338daf34fd746771e0678081999b656177bae/django/utils/termcolors.py#L13 -# Color options here: https://askubuntu.com/questions/528928/how-to-do-underline-bold-italic-strikethrough-color-background-and-size-i -def stylize_output(text: str, *opts :str, **kwargs) -> str: +class Font(Enum): + bold = '1' + italic = '3' + underscore = '4' + blink = '5' + reverse = '7' + conceal = '8' + + +def _stylize_output( + text: str, + fg: str, + bg: Optional[str], + reset: bool, + font: List[Font] = [], +) -> str: """ + Heavily influenced by: + https://github.com/django/django/blob/ae8338daf34fd746771e0678081999b656177bae/django/utils/termcolors.py#L13 + Color options here: + https://askubuntu.com/questions/528928/how-to-do-underline-bold-italic-strikethrough-color-background-and-size-i + Adds styling to a text given a set of color arguments. """ - opt_dict = {'bold': '1', 'italic': '3', 'underscore': '4', 'blink': '5', 'reverse': '7', 'conceal': '8'} colors = { 'black' : '0', 'red' : '1', @@ -178,65 +217,72 @@ def stylize_output(text: str, *opts :str, **kwargs) -> str: 'darkgray' : '8;5;240', 'lightgray' : '8;5;256' } + foreground = {key: f'3{colors[key]}' for key in colors} background = {key: f'4{colors[key]}' for key in colors} - reset = '0' - code_list = [] - if text == '' and len(opts) == 1 and opts[0] == 'reset': - return '\x1b[%sm' % reset - for k, v in kwargs.items(): - if k == 'fg': - code_list.append(foreground[str(v)]) - elif k == 'bg': - code_list.append(background[str(v)]) + if text == '' and reset: + return '\x1b[%sm' % '0' + + code_list.append(foreground[str(fg)]) + + if bg: + code_list.append(background[str(bg)]) + + for o in font: + code_list.append(o.value) + + ansi = ';'.join(code_list) + + return f'\033[{ansi}m{text}\033[0m' + - for o in opts: - if o in opt_dict: - code_list.append(opt_dict[o]) +def info(*msgs: str): + log(*msgs, level=logging.INFO) - if 'noreset' not in opts: - text = '%s\x1b[%sm' % (text or '', reset) - return '%s%s' % (('\x1b[%sm' % ';'.join(code_list)), text or '') +def debug(*msgs: str): + log(*msgs, level=logging.DEBUG) -def log(*args :str, **kwargs :Union[str, int, Dict[str, Union[str, int]]]) -> None: - string = orig_string = ' '.join([str(x) for x in args]) +def error(*msgs: str): + log(*msgs, level=logging.ERROR, fg='red') + + +def warn(*msgs: str): + log(*msgs, level=logging.WARNING, fg='yellow') + + +def log( + *msgs: str, + level: int = logging.INFO, + fg: str = 'white', + bg: Optional[str] = None, + reset: bool = False, + font: List[Font] = [] +): + text = orig_string = ' '.join([str(x) for x in msgs]) # Attempt to colorize the output if supported # Insert default colors and override with **kwargs - if supports_color(): - kwargs = {'fg': 'white', **kwargs} - string = stylize_output(string, **kwargs) + if _supports_color(): + text = _stylize_output(text, fg, bg, reset, font) # If a logfile is defined in storage, # we use that one to output everything if filename := storage.get('LOG_FILE', None): - absolute_logfile = os.path.join(storage.get('LOG_PATH', './'), filename) + log_dir = storage.get('LOG_PATH', Path('./')) + absolute_logfile = log_dir / filename - try: - Path(absolute_logfile).parents[0].mkdir(exist_ok=True, parents=True) - with open(absolute_logfile, 'a') as log_file: - log_file.write("") - except PermissionError: - # Fallback to creating the log file in the current folder - err_string = f"Not enough permission to place log file at {absolute_logfile}, creating it in {Path('./').absolute() / filename} instead." - absolute_logfile = Path('./').absolute() / filename - absolute_logfile.parents[0].mkdir(exist_ok=True) - absolute_logfile = str(absolute_logfile) - storage['LOG_PATH'] = './' - log(err_string, fg="red") - - with open(absolute_logfile, 'a') as log_file: - log_file.write(f"{orig_string}\n") - - Journald.log(string, level=int(str(kwargs.get('level', logging.INFO)))) + with open(absolute_logfile, 'a') as fp: + fp.write(f"{orig_string}\n") + + Journald.log(text, level=level) # Finally, print the log unless we skipped it based on level. # We use sys.stdout.write()+flush() instead of print() to try and # fix issue #94 - if kwargs.get('level', logging.INFO) != logging.DEBUG or storage.get('arguments', {}).get('verbose', False): - sys.stdout.write(f"{string}\n") + if level != logging.DEBUG or storage.get('arguments', {}).get('verbose', False): + sys.stdout.write(f"{text}\n") sys.stdout.flush() |