文件操作 - reporter.py

文件: /usr/lib/python3/dist-packages/certbot/_internal/reporter.py

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"""Collects and displays information to the user."""
import collections
import logging
import queue
import sys
import textwrap

from certbot import util

logger = logging.getLogger(__name__)

class Reporter:
    """Collects and displays information to the user.

:ivar `queue.PriorityQueue` messages: Messages to be displayed to
        the user.

"""

HIGH_PRIORITY = 0
    """High priority constant. See `add_message`."""
    MEDIUM_PRIORITY = 1
    """Medium priority constant. See `add_message`."""
    LOW_PRIORITY = 2
    """Low priority constant. See `add_message`."""

_msg_type = collections.namedtuple('_msg_type', 'priority text on_crash')

def __init__(self, config):
        self.messages: queue.PriorityQueue[Reporter._msg_type] = queue.PriorityQueue()
        self.config = config

def add_message(self, msg, priority, on_crash=True):
        """Adds msg to the list of messages to be printed.

:param str msg: Message to be displayed to the user.

:param int priority: One of `HIGH_PRIORITY`, `MEDIUM_PRIORITY`,
            or `LOW_PRIORITY`.

:param bool on_crash: Whether or not the message should be
            printed if the program exits abnormally.

"""
        assert self.HIGH_PRIORITY <= priority <= self.LOW_PRIORITY
        self.messages.put(self._msg_type(priority, msg, on_crash))
        logger.debug("Reporting to user: %s", msg)

def print_messages(self):
        """Prints messages to the user and clears the message queue.

If there is an unhandled exception, only messages for which
        ``on_crash`` is ``True`` are printed.

"""
        bold_on = False
        if not self.messages.empty():
            no_exception = sys.exc_info()[0] is None
            bold_on = sys.stdout.isatty()
            if not self.config.quiet:
                if bold_on:
                    print(util.ANSI_SGR_BOLD)
                print('IMPORTANT NOTES:')
            first_wrapper = textwrap.TextWrapper(
                initial_indent=' - ',
                subsequent_indent=(' ' * 3),
                break_long_words=False,
                break_on_hyphens=False)
            next_wrapper = textwrap.TextWrapper(
                initial_indent=first_wrapper.subsequent_indent,
                subsequent_indent=first_wrapper.subsequent_indent,
                break_long_words=False,
                break_on_hyphens=False)
        while not self.messages.empty():
            msg = self.messages.get()
            if self.config.quiet:
                # In --quiet mode, we only print high priority messages that
                # are flagged for crash cases
                if not (msg.priority == self.HIGH_PRIORITY and msg.on_crash):
                    continue
            if no_exception or msg.on_crash:
                if bold_on and msg.priority > self.HIGH_PRIORITY:
                    if not self.config.quiet:
                        sys.stdout.write(util.ANSI_SGR_RESET)
                        bold_on = False
                lines = msg.text.splitlines()
                print(first_wrapper.fill(lines[0]))
                if len(lines) > 1:
                    print("\n".join(
                        next_wrapper.fill(line) for line in lines[1:]))
        if bold_on and not self.config.quiet:
            sys.stdout.write(util.ANSI_SGR_RESET)

文件操作 - reporter.py

文件: /usr/lib/python3/dist-packages/certbot/_internal/reporter.py

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