def check_metric_imperial(value, units_from, units_to, decimal_places):
dict = unit_dictionary.dictionary() # Dictionary object
metric_dict = dict.metric_dict() # Universal Metric unit dictionary
imperial_dist_dict = dict.imperial_dist_dict() # Imperial length dictionary
imperial_vol_dict = dict.imperial_vol_dict() # Imperial volume dictionary
imperial_mass_dict = dict.imperial_mass_dict() # Imperial mass dictionary
metric_base = None
imperial_base = None
# Removes the type of conversion: length (m), volume (l), mass (g)
metric_units_from = units_from[
0:len(units_from) -
1] if len(units_from) > 1 else None
metric_units_to = units_to[
0:len(units_to) -
1] if len(units_to) > 1 else None
# Metric and Imperial distances
if metric_units_from in metric_dict and units_to in imperial_dist_dict:
metric_base = metric_dict.get(metric_units_from, None)
imperial_base = imperial_dist_dict.get(units_to, None)
value = metric_to_imperial(value, metric_base, imperial_base, 39.3701)
return str(round(value, decimal_places)) + units_to
elif units_from in imperial_dist_dict and metric_units_to in metric_dict:
imperial_base = imperial_dist_dict.get(units_from, None)
metric_base = metric_dict.get(metric_units_to, None)
value = imperial_to_metric(value, metric_base, imperial_base, .0254)
return str(round(value, decimal_places)) + units_to
# Metric and Imperial volumes
if metric_units_from in metric_dict and units_to in imperial_vol_dict:
metric_base = metric_dict.get(metric_units_from, None)
imperial_base = imperial_vol_dict.get(units_to, None)
value = metric_to_imperial(value, metric_base, imperial_base, 33.814)
return str(round(value, decimal_places)) + units_to
elif units_from in imperial_vol_dict and metric_units_to in metric_dict:
imperial_base = imperial_vol_dict.get(units_from, None)
metric_base = metric_dict.get(metric_units_to, None)
value = imperial_to_metric(value, metric_base, imperial_base, .0295735)
return str(round(value, decimal_places)) + units_to
# Metric and Imperial masses
if metric_units_from in metric_dict and units_to in imperial_mass_dict:
metric_base = metric_dict.get(metric_units_from, None)
imperial_base = imperial_mass_dict.get(units_to, None)
value = metric_to_imperial(
value, metric_base, imperial_base, .00220462)
return str(round(value, decimal_places)) + units_to
elif units_from in imperial_mass_dict and metric_units_to in metric_dict:
imperial_base = imperial_mass_dict.get(units_from, None)
metric_base = metric_dict.get(metric_units_to, None)
value = imperial_to_metric(value, metric_base, imperial_base, 453.592)
return str(round(value, decimal_places)) + units_to
return False
def check_time(value, units_from, units_to, decimal_places):
dict = unit_dictionary.dictionary() # Dictionary object
time_dict = dict.time_dict() # Time unit dictionary
# Metric and Imperial distances
if units_from in time_dict and units_to in time_dict:
units_from_base = time_dict.get(
units_from, None) # Conversion to seconds
units_to_base = time_dict.get(
units_to, None) # Conversion from seconds
value = convert_time(value, units_from_base, units_to_base)
return str(round(value, decimal_places)) + units_to
return False