index : archinstall32 | |
Archlinux32 installer | gitolite user |
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author | Anton Hvornum <anton.feeds@gmail.com> | 2021-05-24 12:34:32 +0200 |
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committer | Anton Hvornum <anton.feeds@gmail.com> | 2021-05-24 12:34:32 +0200 |
commit | 9b0de26c67b6bb90b69d5b4ef874dc0bed407a77 (patch) | |
tree | 69f1b5e0b6ad48018ce9e18d6d74079bfb123540 /archinstall/lib/output.py | |
parent | 404197dc93c2efb24097772848af708d833bdd98 (diff) | |
parent | 7daaf1143fca2723bfb63ab4e3030485446da1c0 (diff) |
-rw-r--r-- | archinstall/lib/output.py | 65 |
diff --git a/archinstall/lib/output.py b/archinstall/lib/output.py index 06d99778..595e9693 100644 --- a/archinstall/lib/output.py +++ b/archinstall/lib/output.py @@ -1,45 +1,48 @@ import abc +import logging import os import sys -import logging from pathlib import Path + from .storage import storage + # TODO: use logging's built in levels instead. # Although logging is threaded and I wish to avoid that. # It's more Pythonistic or w/e you want to call it. -class LOG_LEVELS: +class LogLevels: Critical = 0b001 Error = 0b010 Warning = 0b011 Info = 0b101 Debug = 0b111 -class journald(dict): + +class Journald(dict): @abc.abstractmethod def log(message, level=logging.DEBUG): try: - import systemd.journal + import systemd.journal # type: ignore except ModuleNotFoundError: return False - # For backwards compability, convert old style log-levels + # For backwards compatibility, convert old style log-levels # to logging levels (and warn about deprecated usage) # There's some code re-usage here but that should be fine. # TODO: Remove these in a few versions: - if level == LOG_LEVELS.Critical: + if level == LogLevels.Critical: log("Deprecated level detected in log message, please use new logging.<level> instead for the following log message:", fg="red", level=logging.ERROR, force=True) level = logging.CRITICAL - elif level == LOG_LEVELS.Error: + elif level == LogLevels.Error: log("Deprecated level detected in log message, please use new logging.<level> instead for the following log message:", fg="red", level=logging.ERROR, force=True) level = logging.ERROR - elif level == LOG_LEVELS.Warning: + elif level == LogLevels.Warning: log("Deprecated level detected in log message, please use new logging.<level> instead for the following log message:", fg="red", level=logging.ERROR, force=True) level = logging.WARNING - elif level == LOG_LEVELS.Info: + elif level == LogLevels.Info: log("Deprecated level detected in log message, please use new logging.<level> instead for the following log message:", fg="red", level=logging.ERROR, force=True) level = logging.INFO - elif level == LOG_LEVELS.Debug: + elif level == LogLevels.Debug: log("Deprecated level detected in log message, please use new logging.<level> instead for the following log message:", fg="red", level=logging.ERROR, force=True) level = logging.DEBUG @@ -49,14 +52,16 @@ class journald(dict): log_ch.setFormatter(log_fmt) log_adapter.addHandler(log_ch) log_adapter.setLevel(logging.DEBUG) - + log_adapter.log(level, message) + # TODO: Replace log() for session based logging. -class SessionLogging(): +class SessionLogging: def __init__(self): pass + # 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(): @@ -70,18 +75,19 @@ def supports_color(): is_a_tty = hasattr(sys.stdout, 'isatty') and sys.stdout.isatty() 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, **kwargs): - opt_dict = {'bold': '1', 'italic' : '3', 'underscore': '4', 'blink': '5', 'reverse': '7', 'conceal': '8'} +def stylize_output(text: str, *opts, **kwargs): + opt_dict = {'bold': '1', 'italic': '3', 'underscore': '4', 'blink': '5', 'reverse': '7', 'conceal': '8'} color_names = ('black', 'red', 'green', 'yellow', 'blue', 'magenta', 'cyan', 'white') foreground = {color_names[x]: '3%s' % x for x in range(8)} background = {color_names[x]: '4%s' % x for x in range(8)} - RESET = '0' + reset = '0' code_list = [] if text == '' and len(opts) == 1 and opts[0] == 'reset': - return '\x1b[%sm' % RESET + return '\x1b[%sm' % reset for k, v in kwargs.items(): if k == 'fg': code_list.append(foreground[v]) @@ -91,9 +97,10 @@ def stylize_output(text :str, *opts, **kwargs): if o in opt_dict: code_list.append(opt_dict[o]) if 'noreset' not in opts: - text = '%s\x1b[%sm' % (text or '', RESET) + text = '%s\x1b[%sm' % (text or '', reset) return '%s%s' % (('\x1b[%sm' % ';'.join(code_list)), text or '') + def log(*args, **kwargs): string = orig_string = ' '.join([str(x) for x in args]) @@ -105,7 +112,7 @@ def log(*args, **kwargs): # If a logfile is defined in storage, # we use that one to output everything - if (filename := storage.get('LOG_FILE', None)): + if filename := storage.get('LOG_FILE', None): absolute_logfile = os.path.join(storage.get('LOG_PATH', './'), filename) try: @@ -114,8 +121,8 @@ def log(*args, **kwargs): 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 + 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'] = './' @@ -128,35 +135,35 @@ def log(*args, **kwargs): # Unless the level is higher than we've decided to output interactively. # (Remember, log files still get *ALL* the output despite level restrictions) if 'level' in kwargs: - # For backwards compability, convert old style log-levels + # For backwards compatibility, convert old style log-levels # to logging levels (and warn about deprecated usage) # There's some code re-usage here but that should be fine. # TODO: Remove these in a few versions: - if kwargs['level'] == LOG_LEVELS.Critical: + if kwargs['level'] == LogLevels.Critical: log("Deprecated level detected in log message, please use new logging.<level> instead for the following log message:", fg="red", level=logging.ERROR, force=True) kwargs['level'] = logging.CRITICAL - elif kwargs['level'] == LOG_LEVELS.Error: + elif kwargs['level'] == LogLevels.Error: log("Deprecated level detected in log message, please use new logging.<level> instead for the following log message:", fg="red", level=logging.ERROR, force=True) kwargs['level'] = logging.ERROR - elif kwargs['level'] == LOG_LEVELS.Warning: + elif kwargs['level'] == LogLevels.Warning: log("Deprecated level detected in log message, please use new logging.<level> instead for the following log message:", fg="red", level=logging.ERROR, force=True) kwargs['level'] = logging.WARNING - elif kwargs['level'] == LOG_LEVELS.Info: + elif kwargs['level'] == LogLevels.Info: log("Deprecated level detected in log message, please use new logging.<level> instead for the following log message:", fg="red", level=logging.ERROR, force=True) kwargs['level'] = logging.INFO - elif kwargs['level'] == LOG_LEVELS.Debug: + elif kwargs['level'] == LogLevels.Debug: log("Deprecated level detected in log message, please use new logging.<level> instead for the following log message:", fg="red", level=logging.ERROR, force=True) kwargs['level'] = logging.DEBUG - if kwargs['level'] > storage.get('LOG_LEVEL', logging.INFO) and not 'force' in kwargs: + if kwargs['level'] < storage.get('LOG_LEVEL', logging.INFO) and 'force' not in kwargs: # Level on log message was Debug, but output level is set to Info. # In that case, we'll drop it. return None try: - journald.log(string, level=kwargs.get('level', logging.INFO)) + Journald.log(string, level=kwargs.get('level', logging.INFO)) except ModuleNotFoundError: - pass # Ignore writing to journald + pass # Ignore writing to journald # Finally, print the log unless we skipped it based on level. # We use sys.stdout.write()+flush() instead of print() to try and |