def format(self, width=None, elapsed=None):
"""
Args:
width (int): Width in columns to make progress bar
elapsed(float): Time since started. Automatically determined if :py:data:`None`
Returns:
:py:class:`str`: Formatted progress bar or counter
Format progress bar or counter
"""
width = width or self.manager.width
total = self.total
iterations = float(abs(self.count - self.start_count))
fields = self.fields.copy()
fields.update(self._fields)
# Warn on reserved fields
reserved_fields = set(fields) & RESERVED_FIELDS | {
match.group()
for match in (RE_SUBCOUNTER_FIELDS.match(key) for key in fields)
if match
}
if reserved_fields:
warn_best_level('Ignoring reserved fields specified as user-defined fields: %s' %
', '.join(reserved_fields),
EnlightenWarning)
force_float = isinstance(self.count, float) or isinstance(total, float)
fields['count'] = Float(self.count) if force_float else self.count
fields['desc'] = self.desc or u''
fields['total'] = Float(total) if force_float and total is not None else total
fields['unit'] = self.unit or u''
fields['desc_pad'] = u' ' if self.desc else u''
fields['unit_pad'] = u' ' if self.unit else u''
# Get elapsed time
if elapsed is None:
elapsed = self.elapsed
fields['elapsed'] = format_time(elapsed)
# Get rate. Elapsed could be 0 if counter was not updated and has a zero total.
rate = Float(iterations / elapsed) if elapsed else Float(0.0)
fields['rate'] = rate
fields['interval'] = rate ** -1 if rate else rate
# Only process bar if total was given and n doesn't exceed total
if total is not None and self.count <= total:
return self._format_bar(fields, iterations, width, elapsed, force_float)
# Otherwise return a counter
return self._format_counter(fields, width, elapsed, force_float)
def _get_subcounters(self, elapsed, bar_fields=True):
"""
Args:
elapsed(float): Time since started.
bar_fields(bool): When False, only set fields for basic counter
Returns:
:py:class:`tuple`: list of subcounters and dictionary of additional fields
Each subcounter in the list will be in a tuple of (subcounter, percentage)
Fields in the dictionary are addressed in the Format documentation of this class
When `bar_fields` is False, only subcounter count, interval, and rate fields are set.
percentage will be set to 0.0
"""
fields = {}
subcounters = []
for num, subcounter in enumerate(self._subcounters, 1):
fields['count_%d' % num] = subcounter.count
if self.total and bar_fields:
subPercentage = subcounter.count / float(self.total)
else:
subPercentage = 0.0
if bar_fields:
fields['percentage_%d' % num] = subPercentage * 100
# Save in tuple: count, percentage
subcounters.append((subcounter, subPercentage))
if subcounter.all_fields:
interations = float(abs(subcounter.count - subcounter.start_count))
if elapsed:
# Use float to force to float in Python 2
rate = fields['rate_%d' % num] = interations / elapsed
else:
rate = fields['rate_%d' % num] = 0.0
fields['interval_%d' % num] = rate ** -1 if rate else 0.0
if not bar_fields:
continue
if self.total == 0:
fields['eta_%d' % num] = u'00:00'
elif rate:
fields['eta_%d' % num] = format_time((self.total - interations) / rate)
else:
fields['eta_%d' % num] = u'?'
return subcounters, fields
def format(self, width=None, elapsed=None):
"""
Args:
width (int): Width in columns to make progress bar
elapsed(float): Time since started. Automatically determined if :py:data:`None`
Returns:
:py:class:`str`: Formatted status bar
Format status bar
"""
width = width or self.manager.width
justify = self.justify
# If static message was given, just return it
if self._static is not None:
rtn = self._static
# If there is no format, return empty
elif self.status_format is None:
rtn = ''
# Generate from format
else:
fields = self.fields.copy()
fields.update(self._fields)
# Warn on reserved fields
reserved_fields = (set(fields) & STATUS_FIELDS)
if reserved_fields:
warn_best_level(
'Ignoring reserved fields specified as user-defined fields: %s'
% ', '.join(reserved_fields), EnlightenWarning)
elapsed = elapsed if elapsed is not None else self.elapsed
fields['elapsed'] = format_time(elapsed)
fields['fill'] = u'{0}'
# Format
try:
if FORMAT_MAP_SUPPORT:
rtn = self.status_format.format_map(fields)
else: # pragma: no cover
rtn = self.status_format.format(**fields)
except KeyError as e:
raise_from_none(
ValueError('%r specified in format, but not provided' %
e.args[0]))
rtn = self._fill_text(rtn, width)
return self._colorize(justify(rtn, width=width, fillchar=self.fill))
def format(self, width=None, elapsed=None):
"""
Args:
width (int): Width in columns to make progress bar
elapsed(float): Time since started. Automatically determined if :py:data:`None`
Returns:
:py:class:`str`: Formatted status bar
Format status bar
"""
width = width or self.manager.width
justify = self.justify
# If static message was given, just return it
if self._static is not None:
rtn = self._static
# If there is no format, return empty
elif self.status_format is None:
rtn = ''
# Generate from format
else:
fields = self.fields.copy()
fields.update(self._fields)
elapsed = elapsed if elapsed is not None else self.elapsed
fields['elapsed'] = format_time(elapsed)
fields['fill'] = u'{0}'
# Format
try:
rtn = self.status_format.format(**fields)
except KeyError as e:
raise ValueError('%r specified in format, but not provided' %
e.args[0])
rtn = self._fill_text(rtn, width)
return self._colorize(justify(rtn, width=width, fillchar=self.fill))
def _format_bar(self, fields, iterations, width, elapsed, force_float):
"""
Args:
fields (dict): Initial set of formatting fields
iterations (float): Absolute value of count change from start
width (int): Width in columns to make progress bar
elapsed(float): Time since started
Returns:
:py:class:`str`: Formatted progress bar
Format progress bar
"""
fields['bar'] = u'{0}'
fields['len_total'] = len(str(self.total))
# Get percentage
if self.total == 0:
# If total is 0, force to 100 percent
percentage = 1
fields['eta'] = u'00:00'
else:
# Use float to force to float in Python 2
percentage = self.count / float(self.total)
rate = fields['rate']
# Get eta
if rate:
# Use iterations so a counter running backwards is accurate
fields['eta'] = format_time((self.total - iterations) / rate)
else:
fields['eta'] = u'?'
fields['percentage'] = percentage * 100
# Have to go through subcounters here so the fields are available
subcounters = self._get_subcounters(elapsed, fields, force_float=force_float)
# Partially format
try:
if FORMAT_MAP_SUPPORT:
rtn = self.bar_format.format_map(fields)
else: # pragma: no cover
rtn = self.bar_format.format(**fields)
except KeyError as e:
raise_from_none(ValueError(self._get_format_error(e.args[0])))
# Determine bar width
if self.offset is None:
barWidth = width - self.manager.term.length(rtn) + 3 # 3 is for the bar placeholder
else:
# Offset was explicitly given
barWidth = width - len(rtn) + self.offset + 3 # 3 is for the bar placeholder
complete = barWidth * percentage
barLen = int(complete)
barText = u''
if subcounters:
block_count = [int(barWidth * fields['percentage_0'] / 100)]
partial_len = (barLen - 1) if fields['count_0'] else barLen
remaining = []
# Get full blocks for subcounters and preserve remainders
for idx, entry in enumerate(subcounters, 1):
remainder, count = math.modf(barWidth * entry[1])
block_count.append(int(count))
remaining.append((remainder, idx))
# Until blocks are accounted for, add full blocks for highest remainders
remaining.sort()
while sum(block_count) < partial_len and remaining:
block_count[remaining.pop()[1]] += 1
# Format partial bars
for idx, subLen in reversed(list(enumerate(block_count))):
if idx:
subcounter = subcounters[idx - 1][0]
# pylint: disable=protected-access
barText += subcounter._colorize(self.series[-1] * subLen)
else:
# Get main partial bar
barText += self.series[-1] * subLen
partial_len = sum(block_count)
else:
# Get main partial bar
barText += self.series[-1] * barLen
partial_len = barLen
# If bar isn't complete, add partial block and fill
if barLen < barWidth:
if fields.get('count_0', self.count):
barText += self.series[int(round((complete - barLen) * (len(self.series) - 1)))]
partial_len += 1
barText += self.series[0] * (barWidth - partial_len)
return rtn.format(self._colorize(barText))
def _get_subcounters(self, elapsed, fields, bar_fields=True, force_float=False):
"""
Args:
elapsed(float): Time since started.
bar_fields(bool): When False, only set fields for basic counter
Returns:
:py:class:`tuple`: list of subcounters and dictionary of additional fields
Each subcounter in the list will be in a tuple of (subcounter, percentage)
Fields in the dictionary are addressed in the Format documentation of this class
When `bar_fields` is False, only subcounter count, interval, and rate fields are set.
percentage will be set to 0.0
"""
subcounters = []
count_00 = 0
start_count_00 = 0
if not self._subcounters:
return subcounters
for num, subcounter in enumerate(self._subcounters, 1):
count = subcounter.count
count_00 += count
start_count_00 += subcounter.start_count
fields['count_%d' % num] = Float(count) if force_float else count
if self.total and bar_fields:
subPercentage = count / float(self.total)
else:
subPercentage = 0.0
if bar_fields:
fields['percentage_%d' % num] = subPercentage * 100
# Save in tuple: count, percentage
subcounters.append((subcounter, subPercentage))
if not subcounter.all_fields:
continue
# Explicit conversion to float required for Python 2
interations = float(abs(count - subcounter.start_count))
rate = Float(interations / elapsed) if elapsed else Float(0.0)
fields['rate_%d' % num] = rate
fields['interval_%d' % num] = rate ** -1 if rate else rate
if not bar_fields:
continue
if self.total == 0:
fields['eta_%d' % num] = u'00:00'
elif rate:
fields['eta_%d' % num] = format_time((self.total - interations) / rate)
else:
fields['eta_%d' % num] = u'?'
# Percentage_0 and percentage_00, bar_format only
if bar_fields:
fields['percentage_00'] = percentage_00 = sum(sub[1] for sub in subcounters) * 100
fields['percentage_0'] = fields['percentage'] - percentage_00
# count_00 fields (Sum of subcounters)
fields['count_00'] = Float(count_00) if force_float else count_00
rate = Float(float(abs(count_00 - start_count_00)) / elapsed) if elapsed else Float(0.0)
fields['rate_00'] = rate
fields['interval_00'] = rate ** -1 if rate else rate
# count_0 fields (Excluding subcounters)
count_0 = fields['count_0'] = fields['count'] - count_00
start_count_0 = self.start_count - start_count_00
rate = Float(float(abs(count_0 - start_count_0)) / elapsed) if elapsed else Float(0.0)
fields['rate_0'] = rate
fields['interval_0'] = rate ** -1 if rate else rate
return subcounters
def test_days(self):
"""Verify days formatting"""
self.assertEqual(format_time(86400), '1d 0h 00:00')
self.assertEqual(format_time(1447597), '16d 18h 06:37')
def test_hours(self):
"""Verify hours formatting"""
self.assertEqual(format_time(3600), '1h 00:00')
self.assertEqual(format_time(43980), '12h 13:00')
self.assertEqual(format_time(43998), '12h 13:18')
def test_minutes(self):
"""Verify minutes formatting"""
self.assertEqual(format_time(60), '01:00')
self.assertEqual(format_time(128), '02:08')
self.assertEqual(format_time(1684), '28:04')
def test_seconds(self):
"""Verify seconds formatting"""
self.assertEqual(format_time(0), '00:00')
self.assertEqual(format_time(6), '00:06')
self.assertEqual(format_time(42), '00:42')
def format(self, width=None, elapsed=None):
"""
Args:
width (int): Width in columns to make progress bar
elapsed(float): Time since started. Automatically determined if :py:data:`None`
Returns:
:py:class:`str`: Formatted progress bar or counter
Format progress bar or counter
"""
width = width or self.manager.width
iterations = float(abs(self.count - self.start_count))
fields = self.fields.copy()
fields.update(self._fields)
# Warn on reserved fields
reserved_fields = (set(fields) & COUNTER_FIELDS) | set(
match.group() for match in (RE_SUBCOUNTER_FIELDS.match(key) for key in fields) if match
)
if reserved_fields:
warn_best_level('Ignoring reserved fields specified as user-defined fields: %s' %
', '.join(reserved_fields),
EnlightenWarning)
fields.update({'bar': u'{0}',
'count': self.count,
'desc': self.desc or u'',
'total': self.total,
'unit': self.unit or u'',
'desc_pad': u' ' if self.desc else u'',
'unit_pad': u' ' if self.unit else u''})
# Get elapsed time
if elapsed is None:
elapsed = self.elapsed
fields['elapsed'] = format_time(elapsed)
# Get rate. Elapsed could be 0 if counter was not updated and has a zero total.
if elapsed:
# Use iterations so a counter running backwards is accurate
rate = fields['rate'] = iterations / elapsed
else:
rate = fields['rate'] = 0.0
fields['interval'] = rate ** -1 if rate else 0.0
# Only process bar if total was given and n doesn't exceed total
if self.total is not None and self.count <= self.total:
fields['len_total'] = len(str(self.total))
# Get percentage
if self.total == 0:
# If total is 0, force to 100 percent
percentage = 1
fields['eta'] = u'00:00'
else:
# Use float to force to float in Python 2
percentage = self.count / float(self.total)
# Get eta
if rate:
# Use iterations so a counter running backwards is accurate
fields['eta'] = format_time((self.total - iterations) / rate)
else:
fields['eta'] = u'?'
fields['percentage'] = percentage * 100
# Have to go through subcounters here so the fields are available
subcounters, subFields = self._get_subcounters(elapsed)
# Calculate count and percentage for remainder
if subcounters:
fields.update(subFields)
fields['count_0'] = self.count - sum(sub[0].count for sub in subcounters)
fields['percentage_0'] = (percentage - sum(sub[1] for sub in subcounters)) * 100
# Partially format
try:
if FORMAT_MAP_SUPPORT:
rtn = self.bar_format.format_map(fields)
else: # pragma: no cover
rtn = self.bar_format.format(**fields)
except KeyError as e:
raise_from_none(ValueError('%r specified in format, but not provided' % e.args[0]))
# Format the bar
if self.offset is None:
barWidth = width - self.manager.term.length(rtn) + 3 # 3 is for the bar placeholder
else:
# Offset was explicitly given
barWidth = width - len(rtn) + self.offset + 3 # 3 is for the bar placeholder
complete = barWidth * percentage
barLen = int(complete)
barText = u''
subOffset = 0
for subcounter, subPercentage in reversed(subcounters):
subLen = int(barWidth * subPercentage)
# pylint: disable=protected-access
barText += subcounter._colorize(self.series[-1] * subLen)
subOffset += subLen
barText += self.series[-1] * (barLen - subOffset)
if barLen < barWidth:
barText += self.series[int(round((complete - barLen) * (len(self.series) - 1)))]
barText += self.series[0] * (barWidth - barLen - 1)
return rtn.format(self._colorize(barText))
# Otherwise return a counter
# Update fields from subcounters
fields['fill'] = u'{0}'
subcounters, subFields = self._get_subcounters(elapsed, bar_fields=False)
if subcounters:
fields.update(subFields)
fields['count_0'] = self.count - sum(sub[0].count for sub in subcounters)
try:
if FORMAT_MAP_SUPPORT:
rtn = self.counter_format.format_map(fields)
else: # pragma: no cover
rtn = self.counter_format.format(**fields)
except KeyError as e:
raise_from_none(ValueError('%r specified in format, but not provided' % e.args[0]))
return self._fill_text(rtn, width, offset=self.offset)
