def BytesToFixedWidthString(num_bytes, decimal_places=1):
"""Adjusts proper width for printing num_bytes in readable format.
Args:
num_bytes: The number of bytes we must display.
decimal_places: The standard number of decimal places.
Returns:
String of fixed width representing num_bytes.
"""
human_readable = HumanReadableWithDecimalPlaces(num_bytes, decimal_places=decimal_places)
number_format = human_readable.split()
if int(round(float(number_format[0]))) >= 1000:
# If we are in the [1000:1024) range for the whole part of the number,
# we must remove the decimal part.
last_character = len(number_format[0]) - decimal_places - 1
number_format[0] = number_format[0][:last_character]
return "%9s" % (" ".join(number_format))
def BytesToFixedWidthString(num_bytes, decimal_places=1):
"""Adjusts proper width for printing num_bytes in readable format.
Args:
num_bytes: The number of bytes we must display.
decimal_places: The standard number of decimal places.
Returns:
String of fixed width representing num_bytes.
"""
human_readable = HumanReadableWithDecimalPlaces(num_bytes,
decimal_places=decimal_places)
number_format = human_readable.split()
if int(round(float(number_format[0]))) >= 1000:
# If we are in the [1000:1024) range for the whole part of the number,
# we must remove the decimal part.
last_character = len(number_format[0]) - decimal_places - 1
number_format[0] = number_format[0][:last_character]
return '%9s' % (' '.join(number_format))
def PrintFinalSummaryMessage(self, stream=sys.stderr):
"""Prints a final message to indicate operation succeeded.
Args:
stream: Stream to print messages. Usually sys.stderr, but customizable
for testing.
"""
string_to_print = ('Operation completed over %s objects'
% DecimalShort(self.num_objects))
if self.total_size:
string_to_print += (
'/%s' % HumanReadableWithDecimalPlaces(self.total_size))
remaining_width = self.console_width - len(string_to_print)
if not self.quiet_mode:
stream.write(('\n' + string_to_print + '.' +
(max(remaining_width, 0) * ' ') + '\n'))
def test_UIHumanReadableWithDecimalPlaces(self):
"""Tests HumanReadableWithDecimalPlaces for UI."""
self.assertEqual('1.0 GiB', HumanReadableWithDecimalPlaces(1024**3 +
1024**2 * 10,
1))
self.assertEqual('1.0 GiB', HumanReadableWithDecimalPlaces(1024**3), 1)
self.assertEqual('1.01 GiB', HumanReadableWithDecimalPlaces(1024**3 +
1024**2 * 10,
2))
self.assertEqual('1.000 GiB', HumanReadableWithDecimalPlaces(1024**3 +
1024**2*5, 3))
self.assertEqual('1.10 GiB', HumanReadableWithDecimalPlaces(1024**3 +
1024**2 * 100,
2))
self.assertEqual('1.100 GiB', HumanReadableWithDecimalPlaces(1024**3 +
1024**2 * 100,
3))
self.assertEqual('10.00 MiB', HumanReadableWithDecimalPlaces(1024**2 *10,
2))
# The test below is good for rounding.
self.assertEqual('2.01 GiB', HumanReadableWithDecimalPlaces(2157969408, 2))
self.assertEqual('2.0 GiB', HumanReadableWithDecimalPlaces(2157969408, 1))
self.assertEqual('0 B', HumanReadableWithDecimalPlaces(0, 0))
self.assertEqual('0.00 B', HumanReadableWithDecimalPlaces(0, 2))
self.assertEqual('0.00000 B', HumanReadableWithDecimalPlaces(0, 5))