392 lines
12 KiB
Python
392 lines
12 KiB
Python
|
import contextlib
|
||
|
|
import errno
|
||
|
|
import logging
|
||
|
|
import logging.handlers
|
||
|
|
import os
|
||
|
|
import sys
|
||
|
|
from logging import Filter
|
||
|
|
from typing import IO, Any, Callable, Iterator, Optional, TextIO, Type, cast
|
||
|
|
|
||
|
|
from pip._internal.utils._log import VERBOSE, getLogger
|
||
|
|
from pip._internal.utils.compat import WINDOWS
|
||
|
|
from pip._internal.utils.deprecation import DEPRECATION_MSG_PREFIX
|
||
|
|
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()
|
||
|
|
subprocess_logger = getLogger("pip.subprocessor")
|
||
|
|
|
||
|
|
|
||
|
|
class BrokenStdoutLoggingError(Exception):
|
||
|
|
"""
|
||
|
|
Raised if BrokenPipeError occurs for the stdout stream while logging.
|
||
|
|
"""
|
||
|
|
|
||
|
|
pass
|
||
|
|
|
||
|
|
|
||
|
|
# BrokenPipeError 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
|
||
|
|
def _is_broken_pipe_error(exc_class, exc):
|
||
|
|
# type: (Type[BaseException], BaseException) -> bool
|
||
|
|
"""See the docstring for non-Windows below."""
|
||
|
|
return (exc_class is BrokenPipeError) or (
|
||
|
|
isinstance(exc, OSError) and exc.errno in (errno.EINVAL, errno.EPIPE)
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
else:
|
||
|
|
# Then we are in the non-Windows case.
|
||
|
|
def _is_broken_pipe_error(exc_class, exc):
|
||
|
|
# type: (Type[BaseException], BaseException) -> bool
|
||
|
|
"""
|
||
|
|
Return whether an exception is a broken pipe error.
|
||
|
|
|
||
|
|
Args:
|
||
|
|
exc_class: an exception class.
|
||
|
|
exc: an exception instance.
|
||
|
|
"""
|
||
|
|
return exc_class is BrokenPipeError
|
||
|
|
|
||
|
|
|
||
|
|
@contextlib.contextmanager
|
||
|
|
def indent_log(num=2):
|
||
|
|
# type: (int) -> Iterator[None]
|
||
|
|
"""
|
||
|
|
A context manager which will cause the log output to be indented for any
|
||
|
|
log messages emitted inside it.
|
||
|
|
"""
|
||
|
|
# For thread-safety
|
||
|
|
_log_state.indentation = get_indentation()
|
||
|
|
_log_state.indentation += num
|
||
|
|
try:
|
||
|
|
yield
|
||
|
|
finally:
|
||
|
|
_log_state.indentation -= num
|
||
|
|
|
||
|
|
|
||
|
|
def get_indentation():
|
||
|
|
# type: () -> int
|
||
|
|
return getattr(_log_state, "indentation", 0)
|
||
|
|
|
||
|
|
|
||
|
|
class IndentingFormatter(logging.Formatter):
|
||
|
|
default_time_format = "%Y-%m-%dT%H:%M:%S"
|
||
|
|
|
||
|
|
def __init__(
|
||
|
|
self,
|
||
|
|
*args, # type: Any
|
||
|
|
add_timestamp=False, # type: bool
|
||
|
|
**kwargs, # type: Any
|
||
|
|
):
|
||
|
|
# type: (...) -> None
|
||
|
|
"""
|
||
|
|
A logging.Formatter that obeys the indent_log() context manager.
|
||
|
|
|
||
|
|
:param add_timestamp: A bool indicating output lines should be prefixed
|
||
|
|
with their record's timestamp.
|
||
|
|
"""
|
||
|
|
self.add_timestamp = add_timestamp
|
||
|
|
super().__init__(*args, **kwargs)
|
||
|
|
|
||
|
|
def get_message_start(self, formatted, levelno):
|
||
|
|
# type: (str, int) -> str
|
||
|
|
"""
|
||
|
|
Return the start of the formatted log message (not counting the
|
||
|
|
prefix to add to each line).
|
||
|
|
"""
|
||
|
|
if levelno < logging.WARNING:
|
||
|
|
return ""
|
||
|
|
if formatted.startswith(DEPRECATION_MSG_PREFIX):
|
||
|
|
# Then the message already has a prefix. We don't want it to
|
||
|
|
# look like "WARNING: DEPRECATION: ...."
|
||
|
|
return ""
|
||
|
|
if levelno < logging.ERROR:
|
||
|
|
return "WARNING: "
|
||
|
|
|
||
|
|
return "ERROR: "
|
||
|
|
|
||
|
|
def format(self, record):
|
||
|
|
# type: (logging.LogRecord) -> str
|
||
|
|
"""
|
||
|
|
Calls the standard formatter, but will indent all of the log message
|
||
|
|
lines by our current indentation level.
|
||
|
|
"""
|
||
|
|
formatted = super().format(record)
|
||
|
|
message_start = self.get_message_start(formatted, record.levelno)
|
||
|
|
formatted = message_start + formatted
|
||
|
|
|
||
|
|
prefix = ""
|
||
|
|
if self.add_timestamp:
|
||
|
|
prefix = f"{self.formatTime(record)} "
|
||
|
|
prefix += " " * get_indentation()
|
||
|
|
formatted = "".join([prefix + line for line in formatted.splitlines(True)])
|
||
|
|
return formatted
|
||
|
|
|
||
|
|
|
||
|
|
def _color_wrap(*colors):
|
||
|
|
# type: (*str) -> Callable[[str], str]
|
||
|
|
def wrapped(inp):
|
||
|
|
# type: (str) -> str
|
||
|
|
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):
|
||
|
|
# type: (Optional[TextIO], bool) -> None
|
||
|
|
super().__init__(stream)
|
||
|
|
self._no_color = no_color
|
||
|
|
|
||
|
|
if WINDOWS and colorama:
|
||
|
|
self.stream = colorama.AnsiToWin32(self.stream)
|
||
|
|
|
||
|
|
def _using_stdout(self):
|
||
|
|
# type: () -> bool
|
||
|
|
"""
|
||
|
|
Return whether the handler is using sys.stdout.
|
||
|
|
"""
|
||
|
|
if WINDOWS and colorama:
|
||
|
|
# Then self.stream is an AnsiToWin32 object.
|
||
|
|
stream = cast(colorama.AnsiToWin32, self.stream)
|
||
|
|
return stream.wrapped is sys.stdout
|
||
|
|
|
||
|
|
return self.stream is sys.stdout
|
||
|
|
|
||
|
|
def should_color(self):
|
||
|
|
# type: () -> bool
|
||
|
|
# 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):
|
||
|
|
# type: (logging.LogRecord) -> str
|
||
|
|
msg = super().format(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):
|
||
|
|
# type: (logging.LogRecord) -> None
|
||
|
|
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 exc
|
||
|
|
and self._using_stdout()
|
||
|
|
and _is_broken_pipe_error(exc_class, exc)
|
||
|
|
):
|
||
|
|
raise BrokenStdoutLoggingError()
|
||
|
|
|
||
|
|
return super().handleError(record)
|
||
|
|
|
||
|
|
|
||
|
|
class BetterRotatingFileHandler(logging.handlers.RotatingFileHandler):
|
||
|
|
def _open(self):
|
||
|
|
# type: () -> IO[Any]
|
||
|
|
ensure_dir(os.path.dirname(self.baseFilename))
|
||
|
|
return super()._open()
|
||
|
|
|
||
|
|
|
||
|
|
class MaxLevelFilter(Filter):
|
||
|
|
def __init__(self, level):
|
||
|
|
# type: (int) -> None
|
||
|
|
self.level = level
|
||
|
|
|
||
|
|
def filter(self, record):
|
||
|
|
# type: (logging.LogRecord) -> bool
|
||
|
|
return record.levelno < self.level
|
||
|
|
|
||
|
|
|
||
|
|
class ExcludeLoggerFilter(Filter):
|
||
|
|
|
||
|
|
"""
|
||
|
|
A logging Filter that excludes records from a logger (or its children).
|
||
|
|
"""
|
||
|
|
|
||
|
|
def filter(self, record):
|
||
|
|
# type: (logging.LogRecord) -> bool
|
||
|
|
# The base Filter class allows only records from a logger (or its
|
||
|
|
# children).
|
||
|
|
return not super().filter(record)
|
||
|
|
|
||
|
|
|
||
|
|
def setup_logging(verbosity, no_color, user_log_file):
|
||
|
|
# type: (int, bool, Optional[str]) -> int
|
||
|
|
"""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 >= 2:
|
||
|
|
level_number = logging.DEBUG
|
||
|
|
elif verbosity == 1:
|
||
|
|
level_number = VERBOSE
|
||
|
|
elif verbosity == -1:
|
||
|
|
level_number = logging.WARNING
|
||
|
|
elif verbosity == -2:
|
||
|
|
level_number = logging.ERROR
|
||
|
|
elif verbosity <= -3:
|
||
|
|
level_number = logging.CRITICAL
|
||
|
|
else:
|
||
|
|
level_number = logging.INFO
|
||
|
|
|
||
|
|
level = logging.getLevelName(level_number)
|
||
|
|
|
||
|
|
# 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",
|
||
|
|
}
|
||
|
|
handlers = ["console", "console_errors", "console_subprocess"] + (
|
||
|
|
["user_log"] if include_user_log else []
|
||
|
|
)
|
||
|
|
|
||
|
|
logging.config.dictConfig(
|
||
|
|
{
|
||
|
|
"version": 1,
|
||
|
|
"disable_existing_loggers": False,
|
||
|
|
"filters": {
|
||
|
|
"exclude_warnings": {
|
||
|
|
"()": "pip._internal.utils.logging.MaxLevelFilter",
|
||
|
|
"level": logging.WARNING,
|
||
|
|
},
|
||
|
|
"restrict_to_subprocess": {
|
||
|
|
"()": "logging.Filter",
|
||
|
|
"name": subprocess_logger.name,
|
||
|
|
},
|
||
|
|
"exclude_subprocess": {
|
||
|
|
"()": "pip._internal.utils.logging.ExcludeLoggerFilter",
|
||
|
|
"name": subprocess_logger.name,
|
||
|
|
},
|
||
|
|
},
|
||
|
|
"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_subprocess", "exclude_warnings"],
|
||
|
|
"formatter": "indent",
|
||
|
|
},
|
||
|
|
"console_errors": {
|
||
|
|
"level": "WARNING",
|
||
|
|
"class": handler_classes["stream"],
|
||
|
|
"no_color": no_color,
|
||
|
|
"stream": log_streams["stderr"],
|
||
|
|
"filters": ["exclude_subprocess"],
|
||
|
|
"formatter": "indent",
|
||
|
|
},
|
||
|
|
# A handler responsible for logging to the console messages
|
||
|
|
# from the "subprocessor" logger.
|
||
|
|
"console_subprocess": {
|
||
|
|
"level": level,
|
||
|
|
"class": handler_classes["stream"],
|
||
|
|
"no_color": no_color,
|
||
|
|
"stream": log_streams["stderr"],
|
||
|
|
"filters": ["restrict_to_subprocess"],
|
||
|
|
"formatter": "indent",
|
||
|
|
},
|
||
|
|
"user_log": {
|
||
|
|
"level": "DEBUG",
|
||
|
|
"class": handler_classes["file"],
|
||
|
|
"filename": additional_log_file,
|
||
|
|
"encoding": "utf-8",
|
||
|
|
"delay": True,
|
||
|
|
"formatter": "indent_with_timestamp",
|
||
|
|
},
|
||
|
|
},
|
||
|
|
"root": {
|
||
|
|
"level": root_level,
|
||
|
|
"handlers": handlers,
|
||
|
|
},
|
||
|
|
"loggers": {"pip._vendor": {"level": vendored_log_level}},
|
||
|
|
}
|
||
|
|
)
|
||
|
|
|
||
|
|
return level_number
|