def _combine_s1_s2(self, target: IDataProviderTarget):
"""
Check if there is an S2 target that matches this target exactly (if this is a S1 target) and combine them into one target.
:param target: The input target
:return: The combined target (or the original if no combining was required)
"""
if target.scope == EScope.S1 and not pd.isnull(
target.base_year_ghg_s1):
matches = [
t for t in self.s2_targets
if t.company_id == target.company_id and t.base_year == target.
base_year and t.start_year == target.start_year and t.end_year
== target.end_year and t.target_type == target.target_type
and t.intensity_metric == target.intensity_metric
]
if len(matches) > 0:
matches.sort(key=lambda t: t.coverage_s2, reverse=True)
s2 = matches[0]
combined_coverage = (target.coverage_s1 * target.base_year_ghg_s1 +
s2.coverage_s2 * s2.base_year_ghg_s2) / \
(target.base_year_ghg_s1 + s2.base_year_ghg_s2)
target.reduction_ambition = target.reduction_ambition * target.coverage_s1 * target.base_year_ghg_s1 + \
s2.reduction_ambition * s2.coverage_s1 * s2.base_year_ghg_s2 / \
(target.base_year_ghg_s1 + s2.base_year_ghg_s1) / combined_coverage
target.coverage_s1 = combined_coverage
target.coverage_s2 = combined_coverage
# We don't need to delete the S2 target as it'll be definition have a lower coverage than the combined
# target, therefore it won't be picked for our 9-box grid
return target
def _convert_s1_s2(self, target: IDataProviderTarget):
"""
Convert a S1 or S2 target into a S1+S2 target.
:param target: The input target
:return: The converted target (or the original if no conversion was required)
"""
# In both cases the base_year_ghg s1 + s2 should not be zero
if target.base_year_ghg_s1 + target.base_year_ghg_s2 != 0:
if target.scope == EScope.S1:
coverage = target.coverage_s1 * target.base_year_ghg_s1 / (
target.base_year_ghg_s1 + target.base_year_ghg_s2)
target.coverage_s1 = coverage
target.coverage_s2 = coverage
target.scope = EScope.S1S2
elif target.scope == EScope.S2:
coverage = target.coverage_s2 * target.base_year_ghg_s2 / (
target.base_year_ghg_s1 + target.base_year_ghg_s2)
target.coverage_s1 = coverage
target.coverage_s2 = coverage
target.scope = EScope.S1S2
return target