edit plant simulation run2.py

main
ariwahyunahar 3 weeks ago
parent ef07faf9a0
commit fd5082d002

@ -5,18 +5,12 @@ import sys
sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), '..'))) sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), '..')))
from config import get_connection # harus mengembalikan koneksi psycopg2 from config import get_connection # harus mengembalikan koneksi psycopg2
from math import pow from math import pow
import numpy as np
import numpy_financial as npf import numpy_financial as npf
import math import math
import uuid import uuid
import numpy as np
def normalize_db_value(value):
"""Convert numpy scalars to native Python types for psycopg2."""
if isinstance(value, np.generic):
return value.item()
return value
def validate_number(n): def validate_number(n):
return n if n is not None else 0 return n if n is not None else 0
@ -70,6 +64,7 @@ def hitung_pv(rate, nper, fv):
def hitung_irr(cashflows: list): def hitung_irr(cashflows: list):
return npf.irr(cashflows) return npf.irr(cashflows)
def getproyeksilinier(years, values, iterations=30, target_years=None): def getproyeksilinier(years, values, iterations=30, target_years=None):
""" """
Jika target_years diberikan (list[int]), fungsi mengembalikan prediksi untuk tahun-tahun tersebut. Jika target_years diberikan (list[int]), fungsi mengembalikan prediksi untuk tahun-tahun tersebut.
@ -131,10 +126,8 @@ def getproyeksilinier(years, values, iterations=30, target_years=None):
return {start_year + i: _predict(start_year + i) for i in range(n_projection)} return {start_year + i: _predict(start_year + i) for i in range(n_projection)}
def main(): def main():
connections = get_connection() conn = get_connection()
conn = connections[0] if isinstance(connections, tuple) else connections
if conn is None: if conn is None:
print("Koneksi ke database gagal.") print("Koneksi ke database gagal.")
sys.exit(1) sys.exit(1)
@ -371,7 +364,7 @@ def main():
tahun_cod = get_param("tahun_cod") tahun_cod = get_param("tahun_cod")
daya_terpasang = get_param("daya_terpasang") daya_terpasang = get_param("daya_terpasang")
equity = get_param("equity") equity = get_param("equity")
params = [] params = []
revenue_total_array = [] revenue_total_array = []
cost_a_acquisition_array = [] cost_a_acquisition_array = []
@ -403,8 +396,10 @@ def main():
cur.execute(""" cur.execute("""
SELECT year as tahun, cf, eaf SELECT year as tahun, cf, eaf
FROM lcc_ms_year_data FROM lcc_ms_year_data
order by year asc
""") """)
year_rows = cur.fetchall() year_rows = cur.fetchall()
print(year_rows)
year_data_map = {int(t): (validate_number(cf), validate_number(eaf)) for (t, cf, eaf) in year_rows if year_data_map = {int(t): (validate_number(cf), validate_number(eaf)) for (t, cf, eaf) in year_rows if
t is not None} t is not None}
@ -446,7 +441,6 @@ def main():
revenue_c = price_c * production_netto * 1000 / 1000000 revenue_c = price_c * production_netto * 1000 / 1000000
revenue_d = price_d * production_netto * 1000 / 1000000 revenue_d = price_d * production_netto * 1000 / 1000000
cost_c_fuel = fuel_consumption * harga_bahan_bakar / 1000000 cost_c_fuel = fuel_consumption * harga_bahan_bakar / 1000000
# default fallback tetap pakai last value kalau tahun kosong / prediksi tidak ada
if yr is not None: if yr is not None:
cost_bd_om = proj_cost_bd_om.get(yr, cost_bd_om) cost_bd_om = proj_cost_bd_om.get(yr, cost_bd_om)
cost_bd_pm_nonmi = proj_cost_bd_pm.get(yr, cost_bd_pm_nonmi) cost_bd_pm_nonmi = proj_cost_bd_pm.get(yr, cost_bd_pm_nonmi)
@ -499,8 +493,7 @@ def main():
+ cost_a_pm + cost_a_pm
# + cost_a_pinjaman # + cost_a_pinjaman
# + cost_a_depreciation # + cost_a_depreciation
) )
else: else:
cost_a_replacement = 0 cost_a_replacement = 0
cost_a_pm = 0 cost_a_pm = 0
@ -525,7 +518,6 @@ def main():
cost_a_annualized = 0 cost_a_annualized = 0
cost_disposal_cost = 0 cost_disposal_cost = 0
chart_capex_biaya_investasi_tambahan = 0 chart_capex_biaya_investasi_tambahan = 0
chart_capex_acquisition_cost = 0 chart_capex_acquisition_cost = 0
@ -609,9 +601,7 @@ def main():
calc4_free_cash_flow_on_equity_array.append(calc4_free_cash_flow_on_equity) calc4_free_cash_flow_on_equity_array.append(calc4_free_cash_flow_on_equity)
calc4_discounted_fcf_on_equity = hitung_pv(wacc_on_equity, seq, calc4_free_cash_flow_on_equity) calc4_discounted_fcf_on_equity = hitung_pv(wacc_on_equity, seq, calc4_free_cash_flow_on_equity)
params.append((
row_params = (
net_capacity_factor, net_capacity_factor,
eaf, eaf,
production_bruto, production_bruto,
@ -679,9 +669,8 @@ def main():
chart_capex_acquisition_cost, chart_capex_acquisition_cost,
chart_capex_annualized, chart_capex_annualized,
cost_disposal_cost, cost_disposal_cost,
seq # <-- penting: ini untuk WHERE seq # <-- penting: ini untuk WHERE
) ))
params.append(tuple(normalize_db_value(v) for v in row_params))
# 3. Bulk update dengan executemany # 3. Bulk update dengan executemany
if params: if params:
@ -734,15 +723,13 @@ def main():
conn.close() conn.close()
except Exception as e: except Exception as e:
if conn: conn.rollback()
conn.rollback()
print(f"Terjadi error, transaksi di-rollback. Error: {e}") print(f"Terjadi error, transaksi di-rollback. Error: {e}")
try: try:
cur.close() cur.close()
except Exception: except Exception:
pass pass
if conn: conn.close()
conn.close()
if __name__ == "__main__": if __name__ == "__main__":

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