X-Git-Url: https://plomlompom.com/repos//%22https:/validator.w3.org/check?a=blobdiff_plain;f=ledger.py;h=f7f722c56cfb930d91f33183dffac2dde1868068;hb=140e8f039bef05db2511f54f8fa923fb3a4a066a;hp=5610293becb20bcdff004447b7ba18b5a91ff277;hpb=2b686c3a54fdd117075df17d7c12fd6e776c35ce;p=misc diff --git a/ledger.py b/ledger.py index 5610293..f7f722c 100755 --- a/ledger.py +++ b/ledger.py @@ -2,6 +2,8 @@ from http.server import BaseHTTPRequestHandler, HTTPServer import sys import os import html +import jinja2 +import decimal from urllib.parse import parse_qs, urlparse hostName = "localhost" serverPort = 8082 @@ -25,16 +27,59 @@ def apply_booking_to_account_balances(account_sums, account, currency, amount): account_sums[account][currency] += amount -def parse_lines(lines): +def bookings_to_account_tree(bookings): + account_sums = {} + for booking in bookings: + for account, changes in booking.account_changes.items(): + for currency, amount in changes.items(): + apply_booking_to_account_balances(account_sums, account, currency, amount) + account_tree = {} + def collect_branches(account_name, path): + node = account_tree + path_copy = path[:] + while len(path_copy) > 0: + step = path_copy.pop(0) + node = node[step] + toks = account_name.split(":", maxsplit=1) + parent = toks[0] + if parent in node.keys(): + child = node[parent] + else: + child = {} + node[parent] = child + if len(toks) == 2: + k, v = collect_branches(toks[1], path + [parent]) + if k not in child.keys(): + child[k] = v + else: + child[k].update(v) + return parent, child + for account_name in sorted(account_sums.keys()): + k, v = collect_branches(account_name, []) + if k not in account_tree.keys(): + account_tree[k] = v + else: + account_tree[k].update(v) + def collect_totals(parent_path, tree_node): + for k, v in tree_node.items(): + child_path = parent_path + ":" + k + for currency, amount in collect_totals(child_path, v).items(): + apply_booking_to_account_balances(account_sums, parent_path, currency, amount) + return account_sums[parent_path] + for account_name in account_tree.keys(): + account_sums[account_name] = collect_totals(account_name, account_tree[account_name]) + return account_tree, account_sums + + +def parse_lines(lines, validate_bookings=True): import datetime - import decimal inside_booking = False date_string, description = None, None booking_lines = [] start_line = 0 bookings = [] comments = [] - lines += [''] # to ensure a booking-ending last line + lines = lines.copy() + [''] # to ensure a booking-ending last line for i, line in enumerate(lines): prefix = f"line {i}" # we start with the case of an utterly empty line @@ -45,7 +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 @@ -55,7 +100,7 @@ def parse_lines(lines): # if non-empty line, first get comment if any, and commit to DB split_by_comment = stripped_line.split(sep=";", maxsplit=1) if len(split_by_comment) == 2: - comments[i] = split_by_comment[1] + comments[i] = split_by_comment[1].lstrip() # if pre-comment empty: if inside_booking, this must be a comment-only line so we keep it for later ledger-output to capture those comments; otherwise, no more to process for this line non_comment = split_by_comment[0].rstrip() if non_comment.rstrip() == '': @@ -146,15 +191,18 @@ def parse_lines(lines): raise HandledException(f"{prefix} last booking unfinished") return bookings, comments + 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.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}" @@ -175,7 +223,7 @@ class Booking: if empty_values == 0: for k, v in sums.items(): if v != 0: - raise HandledException(f"{prefix} does not sum up to zero") + raise HandledException(f"{prefix} does not add up to zero / {k} {v}") else: sinkable = False for k, v in sums.items(): @@ -203,6 +251,7 @@ class Booking: if sink_account: for currency, amount in debt.items(): apply_booking_to_account_balances(account_changes, sink_account, currency, -amount) + self.sink[currency] = -amount return account_changes @@ -218,13 +267,13 @@ class Database: self.real_lines = [] if os.path.exists(self.db_file): with open(self.db_file, "r") as f: - self.real_lines += f.readlines() + self.real_lines += [l.rstrip() for l in f.readlines()] ret = parse_lines(self.real_lines) self.bookings += ret[0] self.comments += ret[1] def get_lines(self, start, end): - return db.real_lines[start:end] + return self.real_lines[start:end] def replace(self, start, end, lines): import shutil @@ -234,7 +283,8 @@ class Database: shutil.copy(self.db_file, self.db_file + ".bak") f = open(self.lock_file, 'w+') f.close() - text = ''.join(self.real_lines[:start]) + '\n'.join(lines) + ''.join(self.real_lines[end:]) + total_lines = self.real_lines[:start] + lines + self.real_lines[end:] + text = '\n'.join(total_lines) with open(self.db_file, 'w') as f: f.write(text); os.remove(self.lock_file) @@ -248,13 +298,125 @@ class Database: f = open(self.lock_file, 'w+') f.close() with open(self.db_file, 'a') as f: - f.write('\n' + '\n'.join(lines) + '\n'); + 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]['â¬'] + if acc_kk_add in acc_keys: + kk_expenses += b.account_changes[acc_kk_add]['â¬'] + if acc_kk in acc_keys: + kk_expenses += b.account_changes[acc_kk]['â¬'] + if acc_est in acc_keys: + est_expenses += b.account_changes[acc_est]['â¬'] + 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]['â¬'] + last_monthbreak_est = b.account_changes[acc_est]['â¬'] + last_monthbreak_kk_minimum = b.account_changes[acc_kk_minimum]['â¬'] + last_monthbreak_assets = b.account_changes[acc_buffer]['â¬'] + 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}â¬'] + _, account_sums = bookings_to_account_tree(bookings) + expenses_so_far = -1 * account_sums[acc_assets]['â¬'] - 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}â¬; zvE: {zvE:.2f}â¬; ESt total: {ESt:.2f}â¬; needed before Krankenkasse: {needed_income_before_kk:.2f}â¬'] + 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}â¬)'] + 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}â¬)'] + 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} â¬'] + ret += [f' {acc_assets} {final_minus} â¬'] + ret += [f' {acc_buffer} {-final_minus} â¬'] + return ret + class MyServer(BaseHTTPRequestHandler): header = """ +
ledger balance @@ -265,42 +427,69 @@ class MyServer(BaseHTTPRequestHandler): footer = "\n" def do_POST(self): + db = Database() length = int(self.headers['content-length']) postvars = parse_qs(self.rfile.read(length).decode(), keep_blank_values=1) parsed_url = urlparse(self.path) - if '/add_structured' == parsed_url.path: - n_lines = int(len(postvars) / 4) - date = postvars['date'][0] + 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] start_comment = postvars['line_0_comment'][0] lines = [f'{date} {description} ; {start_comment}'] - for i in range(1, n_lines): + if 'line_0_add' in postvars.keys(): + add_empty_line = 0 + i = j = 1 + while f'line_{i}_comment' in postvars.keys(): + if f'line_{i}_delete' in postvars.keys(): + i += 1 + continue + if f'line_{i}_add' in postvars.keys(): + add_empty_line = j account = postvars[f'line_{i}_account'][0] amount = postvars[f'line_{i}_amount'][0] currency = postvars[f'line_{i}_currency'][0] comment = postvars[f'line_{i}_comment'][0] + i += 1 new_main = f'{account} {amount} {currency}' if '' == new_main.rstrip() == comment.rstrip(): # don't write empty lines continue + j += 1 new_line = new_main if comment.rstrip() != '': new_line += f' ; {comment}' - lines += [new_line] + lines += [new_line] + if 'add_taxes' in postvars.keys(): + 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 start == end == 0: - db.append(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) + redir_url = f'/#last' + else: + db.replace(start, end, lines) + redir_url = f'/#{start}' + self.send_response(301) + self.send_header('Location', redir_url) + self.end_headers() else: - db.replace(start, end, lines) - self.send_response(301) - self.send_header('Location', '/') - self.end_headers() + page = self.header + self.add_structured(db, start, end, temp_lines=lines, add_empty_line=add_empty_line) + self.footer + self.send_response(200) + self.send_header("Content-type", "text/html") + self.end_headers() + self.wfile.write(bytes(page, "utf-8")) except HandledException as e: self.send_response(400) + self.send_header("Content-type", "text/html") self.end_headers() page = f'{self.header}ERROR: {e}{self.footer}' self.wfile.write(bytes(page, "utf-8")) @@ -315,9 +504,9 @@ class MyServer(BaseHTTPRequestHandler): params = parse_qs(parsed_url.query) start = int(params.get('start', ['0'])[0]) end = int(params.get('end', ['0'])[0]) - bonus_lines = int(params.get('bonus_lines', ['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': @@ -326,53 +515,23 @@ class MyServer(BaseHTTPRequestHandler): page += self.add_free(db, start, end, copy=True) elif parsed_url.path == '/copy_structured': page += self.add_structured(db, start, end, copy=True) + elif parsed_url.path == '/ledger2': + page += self.ledger2_as_html(db) else: page += self.ledger_as_html(db) page += self.footer self.wfile.write(bytes(page, "utf-8")) - def balance_as_html(self, db): - account_sums = {} - for booking in db.bookings: - for account, changes in booking.account_changes.items(): - for currency, amount in changes.items(): - apply_booking_to_account_balances(account_sums, account, currency, amount) - account_tree = {} - def collect_branches(account_name, path): - node = account_tree - path_copy = path[:] - while len(path_copy) > 0: - step = path_copy.pop(0) - node = node[step] - toks = account_name.split(":", maxsplit=1) - parent = toks[0] - if parent in node.keys(): - child = node[parent] - else: - child = {} - node[parent] = child - if len(toks) == 2: - k, v = collect_branches(toks[1], path + [parent]) - if k not in child.keys(): - child[k] = v - else: - child[k].update(v) - return parent, child - for account_name in sorted(account_sums.keys()): - k, v = collect_branches(account_name, []) - if k not in account_tree.keys(): - account_tree[k] = v - else: - account_tree[k].update(v) - def collect_totals(parent_path, tree_node): - for k, v in tree_node.items(): - child_path = parent_path + ":" + k - for currency, amount in collect_totals(child_path, v).items(): - apply_booking_to_account_balances(account_sums, parent_path, currency, amount) - return account_sums[parent_path] - for account_name in account_tree.keys(): - account_sums[account_name] = collect_totals(account_name, account_tree[account_name]) + def balance_as_html(self, db, stop_date=None): lines = [] + 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) @@ -394,102 +553,227 @@ class MyServer(BaseHTTPRequestHandler): content = "\n".join(lines) return f"{content}" + def ledger2_as_html(self, db): + single_c_tmpl = jinja2.Template('{{c|e}}
{{date}} {{desc}} {{head_comment|e}} +[edit: structured +/ free +| copy:structured +/ free] +
{{l.acc|e}} | {{l.money|e}} | {{l.balance|e}} |
{{date}} {{desc}} {{head_comment|e}} +[edit: structured +/ free +| copy:structured +/ free] +
{{l.acc|e}} | {{l.money|e}} | {{l.comment|e}} |
{{l.comment|e}} |
{booking.date_string} {booking.description}{suffix}' + elements_to_write += [single_c_tmpl.render(c=c) for c in db.comments[last_i:i] if c != ''] + booking_end = last_i = booking.start_line + len(booking.lines) + booking_lines = [] for booking_line in booking.lines[1:]: i += 1 + comment = db.comments[i] if booking_line == '': + booking_lines += [{'acc': None, 'money': None, 'comment': comment}] continue - suffix = f' {lines[i]}' if len(lines[i]) > 0 else '' - value = f' {booking_line[1]} {booking_line[2]}' if booking_line[1] else '' - lines[i] = f'{booking_line[0]}{value}{suffix}' - lines[i] = lines[i][:-len(line_sep)] + f"""
-edit: -structured -/ free -| copy: -structured -/ free -