From: Christian Heller Date: Wed, 1 Nov 2023 04:07:46 +0000 (+0100) Subject: Improve ledger.py. X-Git-Url: https://plomlompom.com/repos/%7B%7Bdb.prefix%7D%7D/%7B%7B%20web_path%20%7D%7D/decks/%7B%7Btodo.comment%7D%7D?a=commitdiff_plain;h=140e8f039bef05db2511f54f8fa923fb3a4a066a;p=misc Improve ledger.py. --- diff --git a/ledger.py b/ledger.py index ee6ed80..f7f722c 100755 --- a/ledger.py +++ b/ledger.py @@ -27,61 +27,6 @@ def apply_booking_to_account_balances(account_sums, account, currency, amount): account_sums[account][currency] += amount -def add_taxes(lines): - bookings, _ = parse_lines(lines) - _, account_sums = bookings_to_account_tree(bookings) - expenses_so_far = -1 * account_sums['Assets']['€'] - needed_income_before_krankenkasse = expenses_so_far - ESt_this_month = 0 - left_over = needed_income_before_krankenkasse - ESt_this_month - too_low = 0 - too_high = 2 * needed_income_before_krankenkasse - E0 = decimal.Decimal(10908) - E1 = decimal.Decimal(15999) - E2 = decimal.Decimal(62809) - E3 = decimal.Decimal(277825) - while True: - zvE = 12 * needed_income_before_krankenkasse - if zvE < E0: - ESt = decimal.Decimal(0) - elif zvE < E1: - y = (zvE - E0)/10000 - ESt = (decimal.Decimal(979.18) * y + 1400) * y - elif zvE < E2: - y = (zvE - E1)/10000 - ESt = (decimal.Decimal(192.59) * y + 2397) * y + decimal.Decimal(966.53) - elif zvE < E3: - ESt = decimal.Decimal(0.42) * (zvE - decimal.Decimal(62809)) + decimal.Decimal(16405.54) - else: - ESt = decimal.Decimal(0.45) * (zvE - decimal.Decimal(277825)) + decimal.Decimal(106713.52) - ESt_this_month = ESt / 12 - left_over = needed_income_before_krankenkasse - ESt_this_month - if abs(left_over - expenses_so_far) < 0.001: - break - elif left_over < expenses_so_far: - too_low = needed_income_before_krankenkasse - elif left_over > expenses_so_far: - too_high = needed_income_before_krankenkasse - needed_income_before_krankenkasse = too_low + (too_high - too_low)/2 - ESt_this_month = ESt_this_month.quantize(decimal.Decimal('0.00')) - line_income_tax = f' Reserves:Einkommenssteuer {ESt_this_month}€ ; expenses so far: {expenses_so_far:.2f}€; zvE: {zvE:.2f}€; ESt total: {ESt:.2f}€; needed before Krankenkasse: {needed_income_before_krankenkasse:.2f}€' - kk_minimum_income = decimal.Decimal(1096.67) - kk_factor = decimal.Decimal(0.189) - kk_minimum_tax = decimal.Decimal(207.27).quantize(decimal.Decimal('0.00')) - # kk_minimum_income = 1131.67 - # kk_factor = decimal.Decimal(0.191) - # kk_minimum_tax = decimal.Decimal(216.15) - # kk_factor = decimal.Decimal(0.197) - # kk_minimum_tax = decimal.Decimal(222.94) - kk_add = max(0, kk_factor * needed_income_before_krankenkasse - kk_minimum_tax) - kk_add = decimal.Decimal(kk_add).quantize(decimal.Decimal('0.00')) - line_kk_minimum = f' Reserves:Month:Krankenkassendefaultbeitrag {kk_minimum_tax}€ ; assumed minimum income {kk_minimum_income:.2f}€ * {kk_factor:.3f}' - line_kk_add = f' Reserves:Month:Krankenkassenbeitragswachstum {kk_add}€ ; max(0, {kk_factor:.3f} * {needed_income_before_krankenkasse:.2f}€ - {kk_minimum_tax}€)' - final_minus = expenses_so_far + ESt_this_month + kk_minimum_tax + kk_add - line_finish = f' Assets -{ESt_this_month + kk_minimum_tax + kk_add} € ; -{final_minus}€' - return [line_income_tax, line_kk_minimum, line_kk_add, line_finish] - - def bookings_to_account_tree(bookings): account_sums = {} for booking in bookings: @@ -126,7 +71,7 @@ def bookings_to_account_tree(bookings): return account_tree, account_sums -def parse_lines(lines): +def parse_lines(lines, validate_bookings=True): import datetime inside_booking = False date_string, description = None, None @@ -145,7 +90,7 @@ def parse_lines(lines): # assume we finished a booking, finalize, and commit to DB if len(booking_lines) < 2: raise HandledException(f"{prefix} booking ends to early") - booking = Booking(date_string, description, booking_lines, start_line) + booking = Booking(date_string, description, booking_lines, start_line, validate_bookings) bookings += [booking] # expect new booking to follow so re-zeroall booking data inside_booking = False @@ -249,14 +194,15 @@ def parse_lines(lines): class Booking: - def __init__(self, date_string, description, booking_lines, start_line): + def __init__(self, date_string, description, booking_lines, start_line, process=True): self.date_string = date_string self.description = description self.lines = booking_lines self.start_line = start_line - self.validate_booking_lines() - self.sink = {} - self.account_changes = self.parse_booking_lines_to_account_changes() + if process: + self.validate_booking_lines() + self.sink = {} + self.account_changes = self.parse_booking_lines_to_account_changes() def validate_booking_lines(self): prefix = f"booking at line {self.start_line}" @@ -277,7 +223,7 @@ class Booking: if empty_values == 0: for k, v in sums.items(): if v != 0: - raise HandledException(f"{prefix} does not add up to zero") + raise HandledException(f"{prefix} does not add up to zero / {k} {v}") else: sinkable = False for k, v in sums.items(): @@ -355,6 +301,109 @@ class Database: f.write('\n\n' + '\n'.join(lines) + '\n\n'); os.remove(self.lock_file) + def add_taxes(self, lines, finish=False): + ret = [] + bookings, _ = parse_lines(lines) + date = bookings[0].date_string + acc_kk_add = 'Reserves:KrankenkassenBeitragsWachstum' + acc_kk_minimum = 'Reserves:Month:KrankenkassenDefaultBeitrag' + acc_kk = 'Expenses:KrankenKasse' + acc_est = 'Reserves:Einkommenssteuer' + acc_assets = 'Assets' + acc_buffer = 'Reserves:NeuAnfangsPuffer:Ausgaben' + last_monthbreak_assets = 0 + last_monthbreak_est = 0 + last_monthbreak_kk_minimum = 0 + last_monthbreak_kk_add = 0 + buffer_expenses = 0 + kk_expenses = 0 + est_expenses = 0 + for b in self.bookings: + if date == b.date_string: + break + acc_keys = b.account_changes.keys() + if acc_buffer in acc_keys: + buffer_expenses -= b.account_changes[acc_buffer]['€'] + if acc_kk_add in acc_keys: + kk_expenses += b.account_changes[acc_kk_add]['€'] + if acc_kk in acc_keys: + kk_expenses += b.account_changes[acc_kk]['€'] + if acc_est in acc_keys: + est_expenses += b.account_changes[acc_est]['€'] + if finish and acc_kk_add in acc_keys and acc_kk_minimum in acc_keys: + last_monthbreak_kk_add = b.account_changes[acc_kk_add]['€'] + last_monthbreak_est = b.account_changes[acc_est]['€'] + last_monthbreak_kk_minimum = b.account_changes[acc_kk_minimum]['€'] + last_monthbreak_assets = b.account_changes[acc_buffer]['€'] + old_needed_income = last_monthbreak_assets + last_monthbreak_kk_add + last_monthbreak_kk_minimum + last_monthbreak_est + if finish: + ret += [f' {acc_est} {-last_monthbreak_est}€ ; for old assumption of needed income: {old_needed_income}€'] + _, account_sums = bookings_to_account_tree(bookings) + expenses_so_far = -1 * account_sums[acc_assets]['€'] - old_needed_income + needed_income_before_kk = expenses_so_far + ESt_this_month = 0 + left_over = needed_income_before_kk - ESt_this_month + too_low = 0 + too_high = 2 * needed_income_before_kk + E0 = decimal.Decimal(10908) + E1 = decimal.Decimal(15999) + E2 = decimal.Decimal(62809) + E3 = decimal.Decimal(277825) + months_passed = int(date[5:7]) - 1 + while True: + zvE = buffer_expenses - kk_expenses + (12 - months_passed) * needed_income_before_kk + if finish: + zvE += last_monthbreak_assets + last_monthbreak_kk_add + last_monthbreak_kk_minimum + if zvE < E0: + ESt = decimal.Decimal(0) + elif zvE < E1: + y = (zvE - E0)/10000 + ESt = (decimal.Decimal(979.18) * y + 1400) * y + elif zvE < E2: + y = (zvE - E1)/10000 + ESt = (decimal.Decimal(192.59) * y + 2397) * y + decimal.Decimal(966.53) + elif zvE < E3: + ESt = decimal.Decimal(0.42) * (zvE - decimal.Decimal(62809)) + decimal.Decimal(16405.54) + else: + ESt = decimal.Decimal(0.45) * (zvE - decimal.Decimal(277825)) + decimal.Decimal(106713.52) + ESt_this_month = (ESt + last_monthbreak_est - est_expenses) / (12 - months_passed) + left_over = needed_income_before_kk - ESt_this_month + if abs(left_over - expenses_so_far) < 0.001: + break + elif left_over < expenses_so_far: + too_low = needed_income_before_kk + elif left_over > expenses_so_far: + too_high = needed_income_before_kk + needed_income_before_kk = too_low + (too_high - too_low)/2 + ESt_this_month = ESt_this_month.quantize(decimal.Decimal('0.00')) + ret += [f' {acc_est} {ESt_this_month}€ ; expenses so far: {expenses_so_far:.2f}€; zvE: {zvE:.2f}€; ESt total: {ESt:.2f}€; needed before Krankenkasse: {needed_income_before_kk:.2f}€'] + kk_minimum_income = 1131.67 + if date < '2023-02-01': + kk_minimum_income = decimal.Decimal(1096.67) + kk_factor = decimal.Decimal(0.189) + kk_minimum_tax = decimal.Decimal(207.27).quantize(decimal.Decimal('0.00')) + elif date < '2023-08-01': + kk_factor = decimal.Decimal(0.191) + kk_minimum_tax = decimal.Decimal(216.15).quantize(decimal.Decimal('0.00')) + else: + kk_factor = decimal.Decimal(0.197) + kk_minimum_tax = decimal.Decimal(222.94).quantize(decimal.Decimal('0.00')) + kk_add = max(0, kk_factor * needed_income_before_kk - kk_minimum_tax) + kk_add = decimal.Decimal(kk_add).quantize(decimal.Decimal('0.00')) + if finish: + ret += [f' {acc_kk_add} {-last_monthbreak_kk_add}€ ; max(0, {kk_factor:.3f} * {-(old_needed_income - last_monthbreak_est):.2f}€ - {kk_minimum_tax}€)'] + else: + ret += [f' {acc_kk_minimum} {kk_minimum_tax}€ ; assumed minimum income {kk_minimum_income:.2f}€ * {kk_factor:.3f}'] + ret += [f' {acc_kk_add} {kk_add}€ ; max(0, {kk_factor:.3f} * {needed_income_before_kk:.2f}€ - {kk_minimum_tax}€)'] + diff = - last_monthbreak_est + ESt_this_month - last_monthbreak_kk_add + kk_add + if not finish: + diff += kk_minimum_tax + final_minus = expenses_so_far + old_needed_income + diff + ret += [f' {acc_assets} {-diff} €'] + ret += [f' {acc_assets} {final_minus} €'] + ret += [f' {acc_buffer} {-final_minus} €'] + return ret + class MyServer(BaseHTTPRequestHandler): header = """ @@ -384,6 +433,8 @@ input[type=number] { text-align: right; font-family: monospace; } parsed_url = urlparse(self.path) lines = [] add_empty_line = None + start = int(postvars['start'][0]) + end = int(postvars['end'][0]) if '/add_structured' == parsed_url.path and not 'revert' in postvars.keys(): date = postvars['date'][0] description = postvars['description'][0] @@ -412,13 +463,14 @@ input[type=number] { text-align: right; font-family: monospace; } new_line += f' ; {comment}' lines += [new_line] if 'add_taxes' in postvars.keys(): - lines += add_taxes(lines) + lines += db.add_taxes(lines, finish=False) + elif 'add_taxes2' in postvars.keys(): + lines += db.add_taxes(lines, finish=True) elif '/add_free' == parsed_url.path: lines = postvars['booking'][0].splitlines() - start = int(postvars['start'][0]) - end = int(postvars['end'][0]) try: - _, _ = parse_lines(lines) + if ('save' in postvars.keys()) or ('check' in postvars.keys()): + _, _ = parse_lines(lines) if 'save' in postvars.keys(): if start == end == 0: db.append(lines) @@ -453,7 +505,8 @@ input[type=number] { text-align: right; font-family: monospace; } start = int(params.get('start', ['0'])[0]) end = int(params.get('end', ['0'])[0]) if parsed_url.path == '/balance': - page += self.balance_as_html(db) + stop_date = params.get('stop', [None])[0] + page += self.balance_as_html(db, stop_date) elif parsed_url.path == '/add_free': page += self.add_free(db, start, end) elif parsed_url.path == '/add_structured': @@ -469,9 +522,16 @@ input[type=number] { text-align: right; font-family: monospace; } page += self.footer self.wfile.write(bytes(page, "utf-8")) - def balance_as_html(self, db): + def balance_as_html(self, db, stop_date=None): lines = [] - account_tree, account_sums = bookings_to_account_tree(db.bookings) + bookings = db.bookings + if stop_date: + bookings = [] + for b in db.bookings: + if b.date_string == stop_date: + break + bookings += [b] + account_tree, account_sums = bookings_to_account_tree(bookings) def print_subtree(lines, indent, node, subtree, path): line = f"{indent}{node}" n_tabs = 5 - (len(line) // 8) @@ -627,6 +687,7 @@ input[type=number] { text-align: right; font-family: monospace; } +
@@ -637,9 +698,9 @@ input[type=number] { text-align: right; font-family: monospace; } - +
{% endfor %} {% for name, items in datalist_sets.items() %} @@ -656,7 +717,7 @@ input[type=number] { text-align: right; font-family: monospace; } """) import datetime lines = temp_lines if len(''.join(temp_lines)) > 0 else db.get_lines(start, end) - bookings, comments = parse_lines(lines) + bookings, comments = parse_lines(lines, validate_bookings=False) if len(bookings) > 1: raise HandledException('can only edit single Booking') if add_empty_line is not None: