diff options
Diffstat (limited to 'lib/python2.7/site-packages/pip-1.1-py2.7.egg/pip/log.py')
| -rw-r--r-- | lib/python2.7/site-packages/pip-1.1-py2.7.egg/pip/log.py | 188 |
1 files changed, 0 insertions, 188 deletions
diff --git a/lib/python2.7/site-packages/pip-1.1-py2.7.egg/pip/log.py b/lib/python2.7/site-packages/pip-1.1-py2.7.egg/pip/log.py deleted file mode 100644 index 63541a1..0000000 --- a/lib/python2.7/site-packages/pip-1.1-py2.7.egg/pip/log.py +++ /dev/null @@ -1,188 +0,0 @@ -"""Logging -""" - -import sys -import logging - -import pip.backwardcompat - - -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] - - def __init__(self): - self.consumers = [] - self.indent = 0 - self.explicit_levels = False - self.in_progress = None - self.in_progress_hanging = False - - 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.WARN, msg, *args, **kw) - - def fatal(self, msg, *args, **kw): - self.log(self.FATAL, msg, *args, **kw) - - 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 - rendered = None - 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 rendered is None: - 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) - if hasattr(consumer, 'write'): - rendered += '\n' - pip.backwardcompat.fwrite(consumer, rendered) - 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() |