mirror of
https://github.com/thegeeklab/ansible-later.git
synced 2024-11-16 10:00:39 +00:00
319 lines
9.5 KiB
Python
319 lines
9.5 KiB
Python
from __future__ import absolute_import
|
|
|
|
import contextlib
|
|
import errno
|
|
import logging
|
|
import logging.handlers
|
|
import os
|
|
import sys
|
|
|
|
from pip._vendor.six import PY2
|
|
|
|
from pip._internal.utils.compat import WINDOWS
|
|
from pip._internal.utils.misc import ensure_dir
|
|
|
|
try:
|
|
import threading
|
|
except ImportError:
|
|
import dummy_threading as threading # type: ignore
|
|
|
|
|
|
try:
|
|
from pip._vendor import colorama
|
|
# Lots of different errors can come from this, including SystemError and
|
|
# ImportError.
|
|
except Exception:
|
|
colorama = None
|
|
|
|
|
|
_log_state = threading.local()
|
|
_log_state.indentation = 0
|
|
|
|
|
|
class BrokenStdoutLoggingError(Exception):
|
|
"""
|
|
Raised if BrokenPipeError occurs for the stdout stream while logging.
|
|
"""
|
|
pass
|
|
|
|
|
|
# BrokenPipeError does not exist in Python 2 and, in addition, manifests
|
|
# differently in Windows and non-Windows.
|
|
if WINDOWS:
|
|
# In Windows, a broken pipe can show up as EINVAL rather than EPIPE:
|
|
# https://bugs.python.org/issue19612
|
|
# https://bugs.python.org/issue30418
|
|
if PY2:
|
|
def _is_broken_pipe_error(exc_class, exc):
|
|
"""See the docstring for non-Windows Python 3 below."""
|
|
return (exc_class is IOError and
|
|
exc.errno in (errno.EINVAL, errno.EPIPE))
|
|
else:
|
|
# In Windows, a broken pipe IOError became OSError in Python 3.
|
|
def _is_broken_pipe_error(exc_class, exc):
|
|
"""See the docstring for non-Windows Python 3 below."""
|
|
return ((exc_class is BrokenPipeError) or # noqa: F821
|
|
(exc_class is OSError and
|
|
exc.errno in (errno.EINVAL, errno.EPIPE)))
|
|
elif PY2:
|
|
def _is_broken_pipe_error(exc_class, exc):
|
|
"""See the docstring for non-Windows Python 3 below."""
|
|
return (exc_class is IOError and exc.errno == errno.EPIPE)
|
|
else:
|
|
# Then we are in the non-Windows Python 3 case.
|
|
def _is_broken_pipe_error(exc_class, exc):
|
|
"""
|
|
Return whether an exception is a broken pipe error.
|
|
|
|
Args:
|
|
exc_class: an exception class.
|
|
exc: an exception instance.
|
|
"""
|
|
return (exc_class is BrokenPipeError) # noqa: F821
|
|
|
|
|
|
@contextlib.contextmanager
|
|
def indent_log(num=2):
|
|
"""
|
|
A context manager which will cause the log output to be indented for any
|
|
log messages emitted inside it.
|
|
"""
|
|
_log_state.indentation += num
|
|
try:
|
|
yield
|
|
finally:
|
|
_log_state.indentation -= num
|
|
|
|
|
|
def get_indentation():
|
|
return getattr(_log_state, 'indentation', 0)
|
|
|
|
|
|
class IndentingFormatter(logging.Formatter):
|
|
def __init__(self, *args, **kwargs):
|
|
"""
|
|
A logging.Formatter obeying containing indent_log contexts.
|
|
|
|
:param add_timestamp: A bool indicating output lines should be prefixed
|
|
with their record's timestamp.
|
|
"""
|
|
self.add_timestamp = kwargs.pop("add_timestamp", False)
|
|
super(IndentingFormatter, self).__init__(*args, **kwargs)
|
|
|
|
def format(self, record):
|
|
"""
|
|
Calls the standard formatter, but will indent all of the log messages
|
|
by our current indentation level.
|
|
"""
|
|
formatted = super(IndentingFormatter, self).format(record)
|
|
prefix = ''
|
|
if self.add_timestamp:
|
|
prefix = self.formatTime(record, "%Y-%m-%dT%H:%M:%S ")
|
|
prefix += " " * get_indentation()
|
|
formatted = "".join([
|
|
prefix + line
|
|
for line in formatted.splitlines(True)
|
|
])
|
|
return formatted
|
|
|
|
|
|
def _color_wrap(*colors):
|
|
def wrapped(inp):
|
|
return "".join(list(colors) + [inp, colorama.Style.RESET_ALL])
|
|
return wrapped
|
|
|
|
|
|
class ColorizedStreamHandler(logging.StreamHandler):
|
|
|
|
# Don't build up a list of colors if we don't have colorama
|
|
if colorama:
|
|
COLORS = [
|
|
# This needs to be in order from highest logging level to lowest.
|
|
(logging.ERROR, _color_wrap(colorama.Fore.RED)),
|
|
(logging.WARNING, _color_wrap(colorama.Fore.YELLOW)),
|
|
]
|
|
else:
|
|
COLORS = []
|
|
|
|
def __init__(self, stream=None, no_color=None):
|
|
logging.StreamHandler.__init__(self, stream)
|
|
self._no_color = no_color
|
|
|
|
if WINDOWS and colorama:
|
|
self.stream = colorama.AnsiToWin32(self.stream)
|
|
|
|
def _using_stdout(self):
|
|
"""
|
|
Return whether the handler is using sys.stdout.
|
|
"""
|
|
if WINDOWS and colorama:
|
|
# Then self.stream is an AnsiToWin32 object.
|
|
return self.stream.wrapped is sys.stdout
|
|
|
|
return self.stream is sys.stdout
|
|
|
|
def should_color(self):
|
|
# Don't colorize things if we do not have colorama or if told not to
|
|
if not colorama or self._no_color:
|
|
return False
|
|
|
|
real_stream = (
|
|
self.stream if not isinstance(self.stream, colorama.AnsiToWin32)
|
|
else self.stream.wrapped
|
|
)
|
|
|
|
# If the stream is a tty we should color it
|
|
if hasattr(real_stream, "isatty") and real_stream.isatty():
|
|
return True
|
|
|
|
# If we have an ANSI term we should color it
|
|
if os.environ.get("TERM") == "ANSI":
|
|
return True
|
|
|
|
# If anything else we should not color it
|
|
return False
|
|
|
|
def format(self, record):
|
|
msg = logging.StreamHandler.format(self, record)
|
|
|
|
if self.should_color():
|
|
for level, color in self.COLORS:
|
|
if record.levelno >= level:
|
|
msg = color(msg)
|
|
break
|
|
|
|
return msg
|
|
|
|
# The logging module says handleError() can be customized.
|
|
def handleError(self, record):
|
|
exc_class, exc = sys.exc_info()[:2]
|
|
# If a broken pipe occurred while calling write() or flush() on the
|
|
# stdout stream in logging's Handler.emit(), then raise our special
|
|
# exception so we can handle it in main() instead of logging the
|
|
# broken pipe error and continuing.
|
|
if (exc_class and self._using_stdout() and
|
|
_is_broken_pipe_error(exc_class, exc)):
|
|
raise BrokenStdoutLoggingError()
|
|
|
|
return super(ColorizedStreamHandler, self).handleError(record)
|
|
|
|
|
|
class BetterRotatingFileHandler(logging.handlers.RotatingFileHandler):
|
|
|
|
def _open(self):
|
|
ensure_dir(os.path.dirname(self.baseFilename))
|
|
return logging.handlers.RotatingFileHandler._open(self)
|
|
|
|
|
|
class MaxLevelFilter(logging.Filter):
|
|
|
|
def __init__(self, level):
|
|
self.level = level
|
|
|
|
def filter(self, record):
|
|
return record.levelno < self.level
|
|
|
|
|
|
def setup_logging(verbosity, no_color, user_log_file):
|
|
"""Configures and sets up all of the logging
|
|
|
|
Returns the requested logging level, as its integer value.
|
|
"""
|
|
|
|
# Determine the level to be logging at.
|
|
if verbosity >= 1:
|
|
level = "DEBUG"
|
|
elif verbosity == -1:
|
|
level = "WARNING"
|
|
elif verbosity == -2:
|
|
level = "ERROR"
|
|
elif verbosity <= -3:
|
|
level = "CRITICAL"
|
|
else:
|
|
level = "INFO"
|
|
|
|
level_number = getattr(logging, level)
|
|
|
|
# The "root" logger should match the "console" level *unless* we also need
|
|
# to log to a user log file.
|
|
include_user_log = user_log_file is not None
|
|
if include_user_log:
|
|
additional_log_file = user_log_file
|
|
root_level = "DEBUG"
|
|
else:
|
|
additional_log_file = "/dev/null"
|
|
root_level = level
|
|
|
|
# Disable any logging besides WARNING unless we have DEBUG level logging
|
|
# enabled for vendored libraries.
|
|
vendored_log_level = "WARNING" if level in ["INFO", "ERROR"] else "DEBUG"
|
|
|
|
# Shorthands for clarity
|
|
log_streams = {
|
|
"stdout": "ext://sys.stdout",
|
|
"stderr": "ext://sys.stderr",
|
|
}
|
|
handler_classes = {
|
|
"stream": "pip._internal.utils.logging.ColorizedStreamHandler",
|
|
"file": "pip._internal.utils.logging.BetterRotatingFileHandler",
|
|
}
|
|
|
|
logging.config.dictConfig({
|
|
"version": 1,
|
|
"disable_existing_loggers": False,
|
|
"filters": {
|
|
"exclude_warnings": {
|
|
"()": "pip._internal.utils.logging.MaxLevelFilter",
|
|
"level": logging.WARNING,
|
|
},
|
|
},
|
|
"formatters": {
|
|
"indent": {
|
|
"()": IndentingFormatter,
|
|
"format": "%(message)s",
|
|
},
|
|
"indent_with_timestamp": {
|
|
"()": IndentingFormatter,
|
|
"format": "%(message)s",
|
|
"add_timestamp": True,
|
|
},
|
|
},
|
|
"handlers": {
|
|
"console": {
|
|
"level": level,
|
|
"class": handler_classes["stream"],
|
|
"no_color": no_color,
|
|
"stream": log_streams["stdout"],
|
|
"filters": ["exclude_warnings"],
|
|
"formatter": "indent",
|
|
},
|
|
"console_errors": {
|
|
"level": "WARNING",
|
|
"class": handler_classes["stream"],
|
|
"no_color": no_color,
|
|
"stream": log_streams["stderr"],
|
|
"formatter": "indent",
|
|
},
|
|
"user_log": {
|
|
"level": "DEBUG",
|
|
"class": handler_classes["file"],
|
|
"filename": additional_log_file,
|
|
"delay": True,
|
|
"formatter": "indent_with_timestamp",
|
|
},
|
|
},
|
|
"root": {
|
|
"level": root_level,
|
|
"handlers": ["console", "console_errors"] + (
|
|
["user_log"] if include_user_log else []
|
|
),
|
|
},
|
|
"loggers": {
|
|
"pip._vendor": {
|
|
"level": vendored_log_level
|
|
}
|
|
},
|
|
})
|
|
|
|
return level_number
|