131 lines
3.2 KiB
Python
131 lines
3.2 KiB
Python
from __future__ import absolute_import
|
|
|
|
import contextlib
|
|
import logging
|
|
import logging.handlers
|
|
import os
|
|
|
|
try:
|
|
import threading
|
|
except ImportError:
|
|
import dummy_threading as threading
|
|
|
|
from pip.compat import WINDOWS
|
|
from pip.utils import ensure_dir
|
|
|
|
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
|
|
|
|
|
|
@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 format(self, record):
|
|
"""
|
|
Calls the standard formatter, but will indent all of the log messages
|
|
by our current indentation level.
|
|
"""
|
|
formatted = logging.Formatter.format(self, record)
|
|
formatted = "".join([
|
|
(" " * get_indentation()) + 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):
|
|
logging.StreamHandler.__init__(self, stream)
|
|
|
|
if WINDOWS and colorama:
|
|
self.stream = colorama.AnsiToWin32(self.stream)
|
|
|
|
def should_color(self):
|
|
# Don't colorize things if we do not have colorama
|
|
if not colorama:
|
|
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 ASNI 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
|
|
|
|
|
|
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
|