def is_larger(unit_1, unit_2):
"""Returns a boolean indicating whether unit_1 is larger than unit_2.
E.g:
>>> is_larger('KB', 'B')
True
>>> is_larger('min', 'day')
False
"""
unit_1 = functions.value_for_key(INFORMATION_UNITS, unit_1)
unit_2 = functions.value_for_key(INFORMATION_UNITS, unit_2)
return ureg.parse_expression(unit_1) > ureg.parse_expression(unit_2)
def is_larger(unit_1, unit_2):
"""Returns a boolean indicating whether unit_1 is larger than unit_2.
E.g:
>>> is_larger('KB', 'B')
True
>>> is_larger('min', 'day')
False
"""
unit_1 = functions.value_for_key(INFORMATION_UNITS, unit_1)
unit_2 = functions.value_for_key(INFORMATION_UNITS, unit_2)
return ureg.parse_expression(unit_1) > ureg.parse_expression(unit_2)
def convert(value, source_unit, target_unit, fmt=False):
"""Converts value from source_unit to target_unit. Returns a tuple
containing the converted value and target_unit. Having fmt set to True
causes the value to be formatted to 1 decimal digit if it's a decimal or
be formatted as integer if it's an integer.
E.g:
>>> convert(2, 'hr', 'min')
(120.0, 'min')
>>> convert(2, 'hr', 'min', fmt=True)
(120, 'min')
>>> convert(30, 'min', 'hr', fmt=True)
(0.5, 'hr')
"""
orig_target_unit = target_unit
source_unit = functions.value_for_key(INFORMATION_UNITS, source_unit)
target_unit = functions.value_for_key(INFORMATION_UNITS, target_unit)
q = ureg.Quantity(value, source_unit)
q = q.to(ureg.parse_expression(target_unit))
value = functions.format_value(q.magnitude) if fmt else q.magnitude
return value, orig_target_unit
def convert(value, source_unit, target_unit, fmt=False):
"""Converts value from source_unit to target_unit. Returns a tuple
containing the converted value and target_unit. Having fmt set to True
causes the value to be formatted to 1 decimal digit if it's a decimal or
be formatted as integer if it's an integer.
E.g:
>>> convert(2, 'hr', 'min')
(120.0, 'min')
>>> convert(2, 'hr', 'min', fmt=True)
(120, 'min')
>>> convert(30, 'min', 'hr', fmt=True)
(0.5, 'hr')
"""
orig_target_unit = target_unit
source_unit = functions.value_for_key(INFORMATION_UNITS, source_unit)
target_unit = functions.value_for_key(INFORMATION_UNITS, target_unit)
q = ureg.Quantity(value, source_unit)
q = q.to(ureg.parse_expression(target_unit))
value = functions.format_value(q.magnitude) if fmt else q.magnitude
return value, orig_target_unit
