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?? ..
?? __init__.py(9.21 KB)
?? __main__.py(116 B)
?? __pycache__
?? _vendor
?? backwardcompat
?? basecommand.py(6.42 KB)
?? baseparser.py(7.97 KB)
?? cmdoptions.py(9.11 KB)
?? commands
?? download.py(22.05 KB)
?? exceptions.py(1.06 KB)
?? index.py(39.46 KB)
?? locations.py(6.06 KB)
?? log.py(9.23 KB)
?? pep425tags.py(2.9 KB)
?? req.py(81.79 KB)
?? runner.py(431 B)
?? status_codes.py(116 B)
?? util.py(24.54 KB)
?? vcs
?? wheel.py(20.31 KB)

Editing: log.py

"""Logging
"""

import sys
import os
import logging

from pip import backwardcompat
from pip._vendor import colorama, pkg_resources

def _color_wrap(*colors):
    def wrapped(inp):
        return "".join(list(colors) + [inp, colorama.Style.RESET_ALL])
    return wrapped

def should_color(consumer, environ, std=(sys.stdout, sys.stderr)):
    real_consumer = (consumer if not isinstance(consumer, colorama.AnsiToWin32)
                        else consumer.wrapped)

# If consumer isn't stdout or stderr we shouldn't colorize it
    if real_consumer not in std:
        return False

# If consumer is a tty we should color it
    if hasattr(real_consumer, "isatty") and real_consumer.isatty():
        return True

# If we have an ASNI term we should color it
    if environ.get("TERM") == "ANSI":
        return True

# If anything else we should not color it
    return False

def should_warn(current_version, removal_version):
    # Our Significant digits on versions is 2, so remove everything but the
    #   first two places.
    current_version = ".".join(current_version.split(".")[:2])
    removal_version = ".".join(removal_version.split(".")[:2])

# Our warning threshold is one minor version before removal, so we
    #   decrement the minor version by one
    major, minor = removal_version.split(".")
    minor = str(int(minor) - 1)
    warn_version = ".".join([major, minor])

# Test if our current_version should be a warn
    return (pkg_resources.parse_version(current_version)
                < pkg_resources.parse_version(warn_version))

class Logger(object):
    """
    Logging object for use in command-line script.  Allows ranges of
    levels, to avoid some redundancy of displayed information.
    """
    VERBOSE_DEBUG = logging.DEBUG - 1
    DEBUG = logging.DEBUG
    INFO = logging.INFO
    NOTIFY = (logging.INFO + logging.WARN) / 2
    WARN = WARNING = logging.WARN
    ERROR = logging.ERROR
    FATAL = logging.FATAL

LEVELS = [VERBOSE_DEBUG, DEBUG, INFO, NOTIFY, WARN, ERROR, FATAL]

COLORS = {
        WARN: _color_wrap(colorama.Fore.YELLOW),
        ERROR: _color_wrap(colorama.Fore.RED),
        FATAL: _color_wrap(colorama.Fore.RED),
    }

def __init__(self):
        self.consumers = []
        self.indent = 0
        self.explicit_levels = False
        self.in_progress = None
        self.in_progress_hanging = False

def add_consumers(self, *consumers):
        if sys.platform.startswith("win"):
            for level, consumer in consumers:
                if hasattr(consumer, "write"):
                    self.consumers.append(
                        (level, colorama.AnsiToWin32(consumer)),
                    )
                else:
                    self.consumers.append((level, consumer))
        else:
            self.consumers.extend(consumers)

def debug(self, msg, *args, **kw):
        self.log(self.DEBUG, msg, *args, **kw)

def info(self, msg, *args, **kw):
        self.log(self.INFO, msg, *args, **kw)

def notify(self, msg, *args, **kw):
        self.log(self.NOTIFY, msg, *args, **kw)

def warn(self, msg, *args, **kw):
        self.log(self.WARN, msg, *args, **kw)

def error(self, msg, *args, **kw):
        self.log(self.ERROR, msg, *args, **kw)

def fatal(self, msg, *args, **kw):
        self.log(self.FATAL, msg, *args, **kw)

def deprecated(self, removal_version, msg, *args, **kwargs):
        """
        Logs deprecation message which is log level WARN if the
        ``removal_version`` is > 1 minor release away and log level ERROR
        otherwise.

removal_version should be the version that the deprecated feature is
        expected to be removed in, so something that will not exist in
        version 1.7, but will in 1.6 would have a removal_version of 1.7.
        """
        from pip import __version__

if should_warn(__version__, removal_version):
            self.warn(msg, *args, **kwargs)
        else:
            self.error(msg, *args, **kwargs)

def log(self, level, msg, *args, **kw):
        if args:
            if kw:
                raise TypeError(
                    "You may give positional or keyword arguments, not both")
        args = args or kw

# render
        if args:
            rendered = msg % args
        else:
            rendered = msg
        rendered = ' ' * self.indent + rendered
        if self.explicit_levels:
            ## FIXME: should this be a name, not a level number?
            rendered = '%02i %s' % (level, rendered)

for consumer_level, consumer in self.consumers:
            if self.level_matches(level, consumer_level):
                if (self.in_progress_hanging
                    and consumer in (sys.stdout, sys.stderr)):
                    self.in_progress_hanging = False
                    sys.stdout.write('\n')
                    sys.stdout.flush()
                if hasattr(consumer, 'write'):
                    write_content = rendered + '\n'
                    if should_color(consumer, os.environ):
                        # We are printing to stdout or stderr and it supports
                        #   colors so render our text colored
                        colorizer = self.COLORS.get(level, lambda x: x)
                        write_content = colorizer(write_content)

consumer.write(write_content)
                    if hasattr(consumer, 'flush'):
                        consumer.flush()
                else:
                    consumer(rendered)

def _show_progress(self):
        """Should we display download progress?"""
        return (self.stdout_level_matches(self.NOTIFY) and sys.stdout.isatty())

def start_progress(self, msg):
        assert not self.in_progress, (
            "Tried to start_progress(%r) while in_progress %r"
            % (msg, self.in_progress))
        if self._show_progress():
            sys.stdout.write(' ' * self.indent + msg)
            sys.stdout.flush()
            self.in_progress_hanging = True
        else:
            self.in_progress_hanging = False
        self.in_progress = msg
        self.last_message = None

def end_progress(self, msg='done.'):
        assert self.in_progress, (
            "Tried to end_progress without start_progress")
        if self._show_progress():
            if not self.in_progress_hanging:
                # Some message has been printed out since start_progress
                sys.stdout.write('...' + self.in_progress + msg + '\n')
                sys.stdout.flush()
            else:
                # These erase any messages shown with show_progress (besides .'s)
                logger.show_progress('')
                logger.show_progress('')
                sys.stdout.write(msg + '\n')
                sys.stdout.flush()
        self.in_progress = None
        self.in_progress_hanging = False

def show_progress(self, message=None):
        """If we are in a progress scope, and no log messages have been
        shown, write out another '.'"""
        if self.in_progress_hanging:
            if message is None:
                sys.stdout.write('.')
                sys.stdout.flush()
            else:
                if self.last_message:
                    padding = ' ' * max(0, len(self.last_message) - len(message))
                else:
                    padding = ''
                sys.stdout.write('\r%s%s%s%s' %
                                (' ' * self.indent, self.in_progress, message, padding))
                sys.stdout.flush()
                self.last_message = message

def stdout_level_matches(self, level):
        """Returns true if a message at this level will go to stdout"""
        return self.level_matches(level, self._stdout_level())

def _stdout_level(self):
        """Returns the level that stdout runs at"""
        for level, consumer in self.consumers:
            if consumer is sys.stdout:
                return level
        return self.FATAL

def level_matches(self, level, consumer_level):
        """
        >>> l = Logger()
        >>> l.level_matches(3, 4)
        False
        >>> l.level_matches(3, 2)
        True
        >>> l.level_matches(slice(None, 3), 3)
        False
        >>> l.level_matches(slice(None, 3), 2)
        True
        >>> l.level_matches(slice(1, 3), 1)
        True
        >>> l.level_matches(slice(2, 3), 1)
        False
        """
        if isinstance(level, slice):
            start, stop = level.start, level.stop
            if start is not None and start > consumer_level:
                return False
            if stop is not None or stop <= consumer_level:
                return False
            return True
        else:
            return level >= consumer_level

@classmethod
    def level_for_integer(cls, level):
        levels = cls.LEVELS
        if level < 0:
            return levels[0]
        if level >= len(levels):
            return levels[-1]
        return levels[level]

def move_stdout_to_stderr(self):
        to_remove = []
        to_add = []
        for consumer_level, consumer in self.consumers:
            if consumer == sys.stdout:
                to_remove.append((consumer_level, consumer))
                to_add.append((consumer_level, sys.stderr))
        for item in to_remove:
            self.consumers.remove(item)
        self.consumers.extend(to_add)

logger = Logger()

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