def print_devices_comparison(with_color=True, with_locations=False):
"""
Prints a table showing when each directory was last backed up on each
device.
"""
nominal_table_width = 70
no_columns = len(config.DEVICES) + 1
column_width = nominal_table_width / no_columns
table_width = (column_width * no_columns) + 1
horizontal_border = (('+' + ('-' * (column_width - 1))) * (no_columns)) + \
'+'
# Print the table heading row.
print '+{:-<{width}}+'.format('', width=(table_width - 2))
print '|{:^{width}}|'.format('<<< All devices >>>', width=(table_width - 2))
# Print the subheading row.
print '+{:-<{width1}}+{:-<{width2}}+'.format(
'',
'',
width1=(column_width - 1),
width2=((column_width * (no_columns - 1)) - 1)
)
print '|{:^{width1}}|{:^{width2}}|'.format(
'~ Directory ~',
'~ Approximate backup age ~',
width1=(column_width - 1),
width2=((column_width * (no_columns - 1)) - 1)
)
print horizontal_border
# Print the column headings row.
column_heading_row = '|{:^{width}}' .format('', width=(column_width - 1))
for device in config.DEVICES:
max_text_width = column_width - 1
column_heading_row += '|{:^{width}}'.format(
device['name'][:max_text_width],
width=max_text_width
)
column_heading_row += '|'
print column_heading_row
print horizontal_border
# Print each directory's row.
for directory in config.DIRECTORIES:
directory_row = '| {:<{width}}'.format(
directory['name'],
width=(column_width - 2)
)
for d in config.DEVICES:
device = Device(d)
elapsed_seconds = device.directory_age(directory)
if elapsed_seconds:
raw_msg = readable_duration(elapsed_seconds)
msg = '{:^{width}}'.format(raw_msg, width=(column_width - 2))
else:
msg = '{:^{width}}'.format(
'-',
width=(column_width - 2)
)
if with_color and elapsed_seconds > (60 * 60 * 24 * 3):
msg = color_text(msg, 'red')
elif with_color and elapsed_seconds > (60 * 60 * 24 * 1):
msg = color_text(msg, 'amber')
elif with_color and elapsed_seconds:
msg = color_text(msg, 'green')
directory_row += '| {}'.format(msg)
directory_row += '|'
print directory_row
print horizontal_border
# Print each device's location.
if with_locations:
print ''
print horizontal_border
location_row = '| {:<{width}}'.format(
'Location',
width=(column_width - 2)
)
for d in config.DEVICES:
device = Device(d)
max_text_width = column_width - 1
location_row += '|{:^{width}}'.format(
device.location[:max_text_width],
width=max_text_width
)
location_row += '|'
print location_row
print horizontal_border
# Add two blank lines at the end for visual clarity.
print'\n'
