From: Christian Heller Date: Tue, 7 Nov 2023 04:24:24 +0000 (+0100) Subject: Improve ledger.py. X-Git-Url: https://plomlompom.com/repos/%7B%7B%20web_path%20%7D%7D/decks/%7B%7Bdb.prefix%7D%7D/%7B%7Bitem_name%7D%7D?a=commitdiff_plain;h=c8e39d2444ae290dba713c542a5f95a47ab67ba9;p=misc Improve ledger.py. --- diff --git a/ledger.py b/ledger.py index 2b2a807..02e0273 100755 --- a/ledger.py +++ b/ledger.py @@ -295,12 +295,16 @@ class Database: i += 1 bak_as = f'{bak_prefix}{i}' - # collect what numbered .bak files to save + # collect what numbered .bak files to save: + # shrink datetime string right to left character by character, + # on each step add the oldest file whose mtime still fits the pattern + # (privilege older files to keep existing longer) to_save = [] datetime_len = 19 now = str(datetime.datetime.now())[:datetime_len] while datetime_len > 2: - for i, date in reversed(list(enumerate(backup_dates))): + # assume backup_dates starts with oldest dates + for i, date in enumerate(backup_dates): if date[:datetime_len] == now: if i not in to_save: to_save += [i] @@ -310,7 +314,7 @@ class Database: # remove redundant backup files j = 0 - for i in reversed(to_save): + for i in to_save: if i != j: source = f'{bak_prefix}{i}' target = f'{bak_prefix}{j}' @@ -322,7 +326,7 @@ class Database: except FileNotFoundError: pass - # + # put second backup copy of current state at end of bak list shutil.copy(self.db_file, f'{bak_prefix}{j}') with open(self.db_file, mode) as f: f.write(text); @@ -337,6 +341,14 @@ class Database: text = '\n\n' + '\n'.join(lines) + '\n\n' self.write_db(text, 'a') + def get_nth_for_booking_of_start_line(self, start_line): + nth = 0 + for b in self.bookings: + if b.start_line == start_line: + break + nth += 1 + return nth + def add_taxes(self, lines, finish=False): ret = [] bookings, _ = parse_lines(lines) @@ -374,11 +386,11 @@ class Database: 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 + old_needed_income_before_anything = - 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}€'] + ret += [f' {acc_est} {-last_monthbreak_est}€ ; for old assumption of needed income: {old_needed_income_before_anything}€'] _, account_sums = bookings_to_account_tree(bookings) - expenses_so_far = -1 * account_sums[acc_assets]['€'] - old_needed_income + expenses_so_far = -1 * account_sums[acc_assets]['€'] + old_needed_income_before_anything needed_income_before_kk = expenses_so_far ESt_this_month = 0 left_over = needed_income_before_kk - ESt_this_month @@ -426,21 +438,33 @@ class Database: 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_so_far = account_sums[acc_kk_add]['€'] if acc_kk_add in account_sums.keys() else 0 + kk_add = needed_income_before_kk / (1 - kk_factor) - needed_income_before_kk - kk_minimum_tax + hit_kk_minimum_income_limit = False + if kk_add_so_far + kk_add < 0: + hit_kk_minimum_income_limit = True + kk_add_uncorrect = kk_add + kk_add = -(kk_add + kk_add_so_far) 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}€)'] + ret += [f' {acc_kk_add} {-last_monthbreak_kk_add}€ ; for old assumption of needed income'] 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}€)'] + if hit_kk_minimum_income_limit: + ret += [f' {acc_kk_add} {kk_add}€ ; {needed_income_before_kk:.2f}€ / (1 - {kk_factor:.3f}) - {needed_income_before_kk:.2f}€ - {kk_minimum_tax}€ = {kk_add_uncorrect:.2f}€ would reduce current {acc_kk_dd} ({kk_add_so_far:.2f}€) below 0'] + else: + ret += [f' {acc_kk_add} {kk_add}€ ; {needed_income_before_kk:.2f}€ / (1 - {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 + final_minus = expenses_so_far - old_needed_income_before_anything + diff ret += [f' {acc_assets} {-diff} €'] ret += [f' {acc_assets} {final_minus} €'] year_needed = buffer_expenses + final_minus + (12 - months_passed - 1) * final_minus - ret += [f' {acc_buffer} {-final_minus} € ; assume as to earn in year: {acc_buffer} + {12 - months_passed - 1} * this = {-year_needed}'] + if finish: + ret += [f' {acc_buffer} {-final_minus} €'] + else: + ret += [f' {acc_buffer} {-final_minus} € ; assume as to earn in year: {acc_buffer} + {12 - months_passed - 1} * this = {year_needed}'] return ret @@ -482,6 +506,10 @@ input[type=number] { text-align: right; font-family: monospace; } {% endfor %}

""") + add_form_header = """
+ + +""" add_form_footer = """ @@ -497,76 +525,34 @@ input[type=number] { text-align: right; font-family: monospace; } postvars = parse_qs(self.rfile.read(length).decode(), keep_blank_values=1) start = int(postvars['start'][0]) end = int(postvars['end'][0]) - db = Database() add_empty_line = None lines = [] + # get inputs 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}'] - 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 - elif f'line_{i}_delete_after' in postvars.keys(): - break - elif 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}' - if '' == new_main.rstrip() == comment.rstrip(): # don't write empty lines, ignore currency if nothing else set - continue - if len(amount.rstrip()) > 0: - new_main += f' {currency}' - j += 1 - new_line = new_main - if comment.rstrip() != '': - new_line += f' ; {comment}' - lines += [new_line] - if 'add_sink' in postvars.keys(): - temp_lines = lines.copy() + ['_'] - try: - temp_bookings, _ = parse_lines(temp_lines) - for currency in temp_bookings[0].sink: - amount = temp_bookings[0].sink[currency] - lines += [f'Assets {amount:.2f} {currency}'] - except HandledException: - pass - 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, add_empty_line = self.booking_lines_from_postvars(postvars, db) + elif '/add_free' == parsed_url.path and not 'revert' in postvars.keys(): lines = postvars['booking'][0].splitlines() - + # validate where appropriate if ('save' in postvars.keys()) or ('check' in postvars.keys()): _, _ = parse_lines(lines) - + # if saving, process where to and where to redirect after if 'save' in postvars.keys(): if start == end == 0: db.append(lines) redir_url = f'/#last' else: db.replace(start, end, lines) - nth = 0 - for i, b in enumerate(db.bookings): - if b.start_line == start: - nth = i - break + nth = db.get_nth_for_booking_of_start_line(start) redir_url = f'/#{nth}' self.send_code_and_headers(301, [('Location', redir_url)]) - else: # implicit assumption: this only happens on /add_structured flows - page = self.header + self.add_structured(db, start, end, temp_lines=lines, add_empty_line=add_empty_line) + self.footer - self.send_HTML(page) + # otherwise just re-build editing form + else: + if '/add_structured' == parsed_url.path: + edit_content = self.add_structured(db, start, end, temp_lines=lines, add_empty_line=add_empty_line) + else: + edit_content = self.add_free(db, start, end) + self.send_HTML(self.header + edit_content + self.footer) except HandledException as e: self.fail_400(e) @@ -610,6 +596,56 @@ input[type=number] { text-align: right; font-family: monospace; } self.send_header(fieldname, content) self.end_headers() + def booking_lines_from_postvars(self, postvars, db): + add_empty_line = None + date = postvars['date'][0] + description = postvars['description'][0] + start_comment = postvars['line_0_comment'][0] + start_line = f'{date} {description}' + if start_comment.rstrip() != '': + start_line += f' ; {start_comment}' + lines = [start_line] + 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 + elif f'line_{i}_delete_after' in postvars.keys(): + break + elif 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}' + if '' == new_main.rstrip() == comment.rstrip(): # don't write empty lines, ignore currency if nothing else set + continue + if len(amount.rstrip()) > 0: + new_main += f' {currency}' + j += 1 + new_line = new_main + if comment.rstrip() != '': + new_line += f' ; {comment}' + lines += [new_line] + if 'add_sink' in postvars.keys(): + temp_lines = lines.copy() + ['_'] + try: + temp_bookings, _ = parse_lines(temp_lines) + for currency in temp_bookings[0].sink: + amount = temp_bookings[0].sink[currency] + lines += [f'Assets {amount:.2f} {currency}'] + except HandledException: + pass + 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) + return lines, add_empty_line + def balance_as_html(self, db, until=None): bookings = db.bookings[:until if until is None else int(until)] lines = [] @@ -667,8 +703,7 @@ input[type=number] { text-align: right; font-family: monospace; } return '\n'.join(elements_to_write) def add_free(self, db, start=0, end=0, copy=False): - tmpl = jinja2.Template(""" - + tmpl = jinja2.Template(self.add_form_header + """