from http.server import BaseHTTPRequestHandler, HTTPServer
-import sys
-hostName = "localhost"
-serverPort = 8082
+import os
+import html
+import jinja2
+import decimal
+from datetime import datetime, timedelta
+from urllib.parse import parse_qs, urlparse
+from plomlib import PlomDB, PlomException, run_server, run_server, PlomServer
-
-class HandledException(Exception):
- pass
-
-
-def handled_error_exit(msg):
- print(f"ERROR: {msg}")
- sys.exit(1)
+server_port = 8082
def apply_booking_to_account_balances(account_sums, account, currency, amount):
if not account in account_sums:
- account_sums[account] = {currency: amount}
+ account_sums[account] = {currency: amount}
elif not currency in account_sums[account].keys():
account_sums[account][currency] = amount
else:
account_sums[account][currency] += amount
+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):
+ inside_booking = False
+ date_string, description = None, None
+ booking_lines = []
+ start_line = 0
+ bookings = []
+ comments = []
+ lines = lines.copy() + [''] # to ensure a booking-ending last line
+ last_date = ''
+ for i, line in enumerate(lines):
+ prefix = f"line {i}"
+ # we start with the case of an utterly empty line
+ comments += [""]
+ stripped_line = line.rstrip()
+ if stripped_line == '':
+ if inside_booking:
+ # assume we finished a booking, finalize, and commit to DB
+ if len(booking_lines) < 2:
+ raise PlomException(f"{prefix} booking ends to early")
+ 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
+ date_string, description = None, None
+ booking_lines = []
+ continue
+ # 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].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() == '':
+ if inside_booking:
+ booking_lines += ['']
+ continue
+ # if we're starting a booking, parse by first-line pattern
+ if not inside_booking:
+ start_line = i
+ toks = non_comment.split(maxsplit=1)
+ date_string = toks[0]
+ try:
+ datetime.strptime(date_string, '%Y-%m-%d')
+ except ValueError:
+ raise PlomException(f"{prefix} bad date string: {date_string}")
+ if last_date > date_string:
+ raise PlomException(f"{prefix} out-of-order-date")
+ last_date = date_string
+ try:
+ description = toks[1]
+ except IndexError:
+ raise PlomException(f"{prefix} bad description: {description}")
+ inside_booking = True
+ booking_lines += [non_comment]
+ continue
+ # otherwise, read as transfer data
+ toks = non_comment.split() # ignore specification's allowance of single spaces in names
+ if len(toks) > 3:
+ raise PlomException(f"{prefix} too many booking line tokens: {toks}")
+ amount, currency = None, None
+ account_name = toks[0]
+ if account_name[0] == '[' and account_name[-1] == ']':
+ # ignore specification's differentiation of "virtual" accounts
+ account_name = account_name[1:-1]
+ decimal_chars = ".-0123456789"
+ if len(toks) == 3:
+ i_currency = 1
+ try:
+ amount = decimal.Decimal(toks[1])
+ i_currency = 2
+ except decimal.InvalidOperation:
+ try:
+ amount = decimal.Decimal(toks[2])
+ except decimal.InvalidOperation:
+ raise PlomException(f"{prefix} no decimal number in: {toks[1:]}")
+ currency = toks[i_currency]
+ if currency[0] in decimal_chars:
+ raise PlomException(f"{prefix} currency starts with int, dot, or minus: {currency}")
+ elif len(toks) == 2:
+ value = toks[1]
+ inside_amount = False
+ inside_currency = False
+ amount_string = ""
+ currency = ""
+ dots_counted = 0
+ for i, c in enumerate(value):
+ if i == 0:
+ if c in decimal_chars:
+ inside_amount = True
+ else:
+ inside_currency = True
+ if inside_currency:
+ if c in decimal_chars and len(amount_string) == 0:
+ inside_currency = False
+ inside_amount = True
+ else:
+ currency += c
+ continue
+ if inside_amount:
+ if c not in decimal_chars:
+ if len(currency) > 0:
+ raise PlomException(f"{prefix} amount has non-decimal chars: {value}")
+ inside_currency = True
+ inside_amount = False
+ currency += c
+ continue
+ if c == '-' and len(amount_string) > 1:
+ raise PlomException(f"{prefix} amount has non-start '-': {value}")
+ if c == '.':
+ if dots_counted > 1:
+ raise PlomException(f"{prefix} amount has multiple dots: {value}")
+ dots_counted += 1
+ amount_string += c
+ if len(currency) == 0:
+ raise PlomException(f"{prefix} currency missing: {value}")
+ if len(amount_string) > 0:
+ amount = decimal.Decimal(amount_string)
+ booking_lines += [(account_name, amount, currency)]
+ if inside_booking:
+ raise PlomException(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.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}"
sums = {}
empty_values = 0
- for line in self.lines:
- if line == '':
+ for line in self.lines[1:]:
+ if line == '':
continue
_, amount, currency = line
if amount is None:
if empty_values > 0:
- raise HandledException(f"{prefix} relates more than one empty value of same currency {currency}")
+ raise PlomException(f"{prefix} relates more than one empty value of same currency {currency}")
empty_values += 1
continue
if currency not in sums:
if empty_values == 0:
for k, v in sums.items():
if v != 0:
- raise HandledException(f"{prefix} does not sum up to zero")
+ raise PlomException(f"{prefix} does not add up to zero / {k} {v}")
else:
sinkable = False
for k, v in sums.items():
if v != 0:
- sinkable = True
+ sinkable = True
if not sinkable:
- raise HandledException(f"{prefix} has empty value that cannot be filled")
+ raise PlomException(f"{prefix} has empty value that cannot be filled")
def parse_booking_lines_to_account_changes(self):
account_changes = {}
debt = {}
sink_account = None
- for line in self.lines:
- if line == '':
+ for line in self.lines[1:]:
+ if line == '':
continue
account, amount, currency = line
if amount is None:
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
-class Database:
+class LedgerDB(PlomDB):
- def __init__(self, load_from_file=True):
- import os
- db_name = "_ledger"
- self.db_file = db_name + ".json"
- self.lock_file = db_name+ ".lock"
+ def __init__(self):
self.bookings = []
self.comments = []
- if load_from_file and os.path.exists(self.db_file):
- with open(self.db_file, "r") as f:
- self.parse_lines(f.readlines())
-
- def parse_lines(self, lines):
- import datetime
- import decimal
- inside_booking = False
- date_string, description = None, None
- booking_lines = []
- start_line = 0
- for i, line in enumerate(lines):
- prefix = f"line {i}"
- # we start with the case of an utterly empty line
- self.comments += [""]
- stripped_line = line.rstrip()
- if stripped_line == '':
- if inside_booking:
- # 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)
- self.bookings += [booking]
- # expect new booking to follow so re-zeroall booking data
- inside_booking = False
- date_string, description = None, None
- booking_lines = []
- continue
- # 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:
- self.comments[i] = split_by_comment[1]
- # 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() == '':
- if inside_booking:
- booking_lines += ['']
- continue
- # if we're starting a booking, parse by first-line pattern
- if not inside_booking:
- start_line = i
- toks = non_comment.split(maxsplit=1)
- date_string = toks[0]
+ self.real_lines = []
+ super().__init__('_ledger')
+ ret = parse_lines(self.real_lines)
+ self.bookings += ret[0]
+ self.comments += ret[1]
+
+ def read_db_file(self, f):
+ self.real_lines += [l.rstrip() for l in f.readlines()]
+
+ def get_lines(self, start, end):
+ return self.real_lines[start:end]
+
+ def write_db(self, text, mode='w'):
+ self.write_text_to_db(text)
+
+ def insert_at_date(self, lines, date):
+ start_at = len(self.real_lines)
+ for b in self.bookings:
+ if b.date_string == date:
+ start_at = b.start_line
+ break
+ elif b.date_string > date:
+ break
+ if start_at == len(self.real_lines):
+ lines = [''] + lines
+ return self.write_lines_in_total_lines_at(self.real_lines, start_at, lines)
+
+ def update(self, start, end, lines, date):
+ total_lines = self.real_lines[:start] + self.real_lines[end:]
+ n_original_lines = end - start
+ start_at = len(total_lines)
+ for b in self.bookings:
+ if b.date_string == date:
+ if start_at == len(total_lines) or b.start_line == start:
+ start_at = b.start_line
+ if b.start_line > start:
+ start_at -= n_original_lines
+ elif b.date_string > date:
+ break
+ if start_at == len(total_lines):
+ lines = [''] + lines
+ return self.write_lines_in_total_lines_at(total_lines, start_at, lines)
+
+ def write_lines_in_total_lines_at(self, total_lines, start_at, lines):
+ total_lines = total_lines[:start_at] + lines + [''] + total_lines[start_at:]
+ _, _ = parse_lines(lines)
+ text = '\n'.join(total_lines)
+ self.write_db(text)
+ return start_at
+
+ 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)
+ 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
+ months_passed = -int(finish)
+ 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 acc_kk_add in acc_keys and acc_kk_minimum in acc_keys:
+ months_passed += 1
+ if finish:
+ 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_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_before_anything}€']
+ _, account_sums = bookings_to_account_tree(bookings)
+ 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
+ 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)
+ 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_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}€ ; 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}']
+ 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_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
+ 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
+
+
+class LedgerServer(PlomServer):
+ header = """<html>
+<meta charset="UTF-8">
+<style>
+body { color: #000000; }
+table { margin-bottom: 2em; }
+th, td { text-align: left }
+input[type=number] { text-align: right; font-family: monospace; }
+.money { font-family: monospace; text-align: right; }
+.comment { font-style: italic; color: #777777; }
+.meta { font-size: 0.75em; color: #777777; }
+.full_line_comment { display: block; white-space: nowrap; width: 0; }
+</style>
+<body>
+<a href="/">ledger</a>
+<a href="/balance">balance</a>
+<a href="/add_free">add free</a>
+<a href="/add_structured">add structured</a>
+<hr />
+"""
+ booking_tmpl = jinja2.Template("""
+<p id="{{nth}}"><a href="#{{nth}}">{{date}}</a> {{desc}} <span class="comment">{{head_comment|e}}</span><br />
+<span class="meta">[edit: <a href="/add_structured?start={{start}}&end={{end}}">structured</a>
+/ <a href="/add_free?start={{start}}&end={{end}}">free</a>
+| copy:<a href="/copy_structured?start={{start}}&end={{end}}">structured</a>
+/ <a href="/copy_free?start={{start}}&end={{end}}">free</a>
+| move {% if move_up %}<a href="/move_up?start={{start}}&end={{end}}">up</a>{% else %}up{% endif %}/{% if move_down %}<a href="/move_down?start={{start}}&end={{end}}">down</a>{% else %}down{% endif %}
+| <a href="/balance?stop={{nth+1}}">balance after</a>
+]</span>
+<table>
+{% for l in booking_lines %}
+{% if l.acc %}
+<tr><td>{{l.acc|e}}</td><td class="money">{{l.money|e}}</td><td class="comment">{{l.comment|e}}</td></tr>
+{% else %}
+<tr><td><div class="comment full_line_comment">{{l.comment|e}}</div></td></tr>
+{% endif %}
+{% endfor %}
+</table></p>
+""")
+ add_form_header = """<form method="POST" action="{{action|e}}">
+<input type="submit" name="check" value="check" />
+<input type="submit" name="revert" value="revert" />
+"""
+ add_form_footer = """
+<input type="hidden" name="start" value={{start}} />
+<input type="hidden" name="end" value={{end}} />
+<input type="submit" name="save" value="save!">
+</form>
+"""
+ footer = "</body>\n<html>"
+
+ def do_POST(self):
+ try:
+ parsed_url = urlparse(self.path)
+ length = int(self.headers['content-length'])
+ postvars = parse_qs(self.rfile.read(length).decode(), keep_blank_values=1)
+ start = int(postvars['start'][0])
+ end = int(postvars['end'][0])
+ db = LedgerDB()
+ add_empty_line = None
+ lines = []
+ # get inputs
+ if '/add_structured' == parsed_url.path and not 'revert' in postvars.keys():
+ 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():
+ last_date = str(datetime.now())[:10]
+ if len(db.bookings) > 0:
+ last_date = db.bookings[-1].date_string
+ target_date = last_date[:]
+ first_line_tokens = lines[0].split() if len(lines) > 0 else ''
+ first_token = first_line_tokens[0] if len(first_line_tokens) > 0 else ''
try:
- datetime.datetime.strptime(date_string, '%Y-%m-%d')
+ datetime.strptime(first_token, '%Y-%m-%d')
+ target_date = first_token
except ValueError:
- raise HandledException(f"{prefix} bad date string: {date_string}")
- try:
- description = toks[1]
- except IndexError:
- raise HandledException(f"{prefix} bad description: {description}")
- inside_booking = True
- continue
- # otherwise, read as transfer data
- toks = non_comment.split() # ignore specification's allowance of single spaces in names
- if len(toks) > 3:
- raise HandledException(f"{prefix} too many booking line tokens: {toks}")
- amount, currency = None, None
- account_name = toks[0]
- if account_name[0] == '[' and account_name[-1] == ']':
- # ignore specification's differentiation of "virtual" accounts
- account_name = account_name[1:-1]
- decimal_chars = ".-0123456789"
- if len(toks) == 3:
- i_currency = 1
- try:
- amount = decimal.Decimal(toks[1])
- i_currency = 2
- except decimal.InvalidOperation:
- try:
- amount = decimal.Decimal(toks[2])
- except decimal.InvalidOperation:
- raise HandledException(f"{prefix} no decimal number in: {toks[1:]}")
- currency = toks[i_currency]
- if currency[0] in decimal_chars:
- raise HandledException(f"{prefix} currency starts with int, dot, or minus: {currency}")
- elif len(toks) == 2:
- value = toks[1]
- inside_amount = False
- inside_currency = False
- amount_string = ""
- currency = ""
- dots_counted = 0
- for i, c in enumerate(value):
- if i == 0:
- if c in decimal_chars:
- inside_amount = True
- else:
- inside_currency = True
- if inside_currency:
- if c in decimal_chars and len(amount_string) == 0:
- inside_currency = False
- inside_amount = True
- else:
- currency += c
- continue
- if inside_amount:
- if c not in decimal_chars:
- if len(currency) > 0:
- raise HandledException(f"{prefix} amount has non-decimal chars: {value}")
- inside_currency = True
- inside_amount = False
- currency += c
- continue
- if c == '-' and len(amount_string) > 1:
- raise HandledException(f"{prefix} amount has non-start '-': {value}")
- if c == '.':
- if dots_counted > 1:
- raise HandledException(f"{prefix} amount has multiple dots: {value}")
- dots_counted += 1
- amount_string += c
- if len(amount_string) == 0:
- raise HandledException(f"{prefix} amount missing: {value}")
- if len(currency) == 0:
- raise HandledException(f"{prefix} currency missing: {value}")
- amount = decimal.Decimal(amount_string)
- booking_lines += [(account_name, amount, currency)]
-
- def ledger_as_html(self):
- lines = []
- for comment in self.comments:
- lines += [f"; {comment}" if comment != '' else '']
- for booking in self.bookings:
- i = booking.start_line
- suffix = f" {lines[i]}" if len(lines[i]) > 0 else ""
- lines[i] = f"{booking.date_string} {booking.description}{suffix}"
- for booking_line in booking.lines:
- i += 1
- if booking_line == '':
- 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}"
- content = "\n".join(lines)
- return f"<html><meta charset=\"UTF-8\"><pre>{content}</pre></html>"
-
- def balance_as_html(self):
- account_sums = {}
- for booking in self.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]
+ pass
+ if start == end == 0:
+ start = db.insert_at_date(lines, target_date)
+ nth = db.get_nth_for_booking_of_start_line(start)
+ else:
+ new_start = db.update(start, end, lines, target_date)
+ nth = db.get_nth_for_booking_of_start_line(new_start)
+ if new_start > start:
+ nth -= 1
+ redir_url = f'/#{nth}'
+ self.send_code_and_headers(302, [('Location', redir_url)])
+ # otherwise just re-build editing form
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
+ if '/add_structured' == parsed_url.path:
+ edit_content = self.add_structured(db, start, end, temp_lines=lines, add_empty_line=add_empty_line)
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
+ edit_content = self.add_free(db, start, end)
+ self.send_HTML(self.header + edit_content + self.footer)
+ except PlomException as e:
+ self.fail_400(e)
+
+ def do_GET(self):
+ try:
+ parsed_url = urlparse(self.path)
+ params = parse_qs(parsed_url.query)
+ start = int(params.get('start', ['0'])[0])
+ end = int(params.get('end', ['0'])[0])
+ db = LedgerDB()
+ page = self.header
+ if parsed_url.path == '/balance':
+ stop = params.get('stop', [None])[0]
+ page += self.balance_as_html(db, stop)
+ elif parsed_url.path == '/add_free':
+ page += self.add_free(db, start, end)
+ elif parsed_url.path == '/add_structured':
+ page += self.add_structured(db, start, end)
+ elif parsed_url.path == '/copy_free':
+ 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 == '/move_up':
+ nth = self.move_up(db, start, end)
+ self.send_code_and_headers(302, [('Location', f'/#{nth}')])
+ return
+ elif parsed_url.path == '/move_down':
+ nth = self.move_down(db, start, end)
+ self.send_code_and_headers(302, [('Location', f'/#{nth}')])
+ return
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])
+ page += self.ledger_as_html(db)
+ page += self.footer
+ self.send_HTML(page)
+ except PlomException as e:
+ self.fail_400(e)
+
+ 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 PlomException:
+ 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 = []
+ account_tree, account_sums = bookings_to_account_tree(bookings)
def print_subtree(lines, indent, node, subtree, path):
- line = f"{indent}{node}"
+ line = f"{indent}{node}"
n_tabs = 5 - (len(line) // 8)
- line += n_tabs * "\t"
+ line += n_tabs * "\t"
if "€" in account_sums[path + node].keys():
amount = account_sums[path + node]["€"]
line += f"{amount:9.2f} €\t"
else:
line += f"\t\t"
- for currency, amount in account_sums[path + node].items():
+ for currency, amount in account_sums[path + node].items():
if currency != '€' and amount > 0:
line += f"{amount:5.2f} {currency}\t"
lines += [line]
for k, v in sorted(account_tree.items()):
print_subtree(lines, "", k, v, "")
content = "\n".join(lines)
- return f"<html><meta charset=\"UTF-8\"><pre>{content}</pre></html>"
+ return f"<pre>{content}</pre>"
+ def ledger_as_html(self, db):
+ single_c_tmpl = jinja2.Template('<span class="comment">{{c|e}}</span><br />') ##
+ elements_to_write = []
+ last_i = i = 0 ##
+ for nth, booking in enumerate(db.bookings):
+ move_up = nth > 0 and db.bookings[nth - 1].date_string == booking.date_string
+ move_down = nth < len(db.bookings) - 1 and db.bookings[nth + 1].date_string == booking.date_string
+ booking_end = last_i = booking.start_line + len(booking.lines)
+ booking_lines = []
+ i = booking.start_line ##
+ elements_to_write += [single_c_tmpl.render(c=c) for c in db.comments[last_i:i] if c != ''] ##
+ 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
+ account = booking_line[0]
+ money = ''
+ if booking_line[1] is not None:
+ money = f'{booking_line[1]} {booking_line[2]}'
+ booking_lines += [{'acc': booking_line[0], 'money':money, 'comment':comment}] ##
+ elements_to_write += [self.booking_tmpl.render(
+ nth=nth,
+ start=booking.start_line,
+ end=booking_end,
+ date=booking.date_string,
+ desc=booking.description,
+ head_comment=db.comments[booking.start_line],
+ move_up=move_up,
+ move_down=move_down,
+ booking_lines = booking_lines)]
+ elements_to_write += [single_c_tmpl.render(c=c) for c in db.comments[last_i:] if c != ''] #
+ return '\n'.join(elements_to_write)
-class MyServer(BaseHTTPRequestHandler):
+ def add_free(self, db, start=0, end=0, copy=False):
+ tmpl = jinja2.Template(self.add_form_header + """<br />
+<textarea name="booking" rows=10 cols=80>
+{% for line in lines %}{{ line }}
+{% endfor %}
+</textarea>
+""" + self.add_form_footer)
+ lines = db.get_lines(start, end)
+ if copy:
+ start = end = 0
+ return tmpl.render(action='add_free', start=start, end=end, lines=lines)
- def do_GET(self):
- self.send_response(200)
- self.send_header("Content-type", "text/html")
- self.end_headers()
- db = Database()
- # page = db.ledger_as_html()
- page = db.balance_as_html()
- self.wfile.write(bytes(page, "utf-8"))
-
-
-db = Database()
-if __name__ == "__main__":
- webServer = HTTPServer((hostName, serverPort), MyServer)
- print(f"Server started http://{hostName}:{serverPort}")
- try:
- webServer.serve_forever()
- except KeyboardInterrupt:
- pass
- webServer.server_close()
- print("Server stopped.")
+ def add_structured(self, db, start=0, end=0, copy=False, temp_lines=[], add_empty_line=None):
+ tmpl = jinja2.Template(self.add_form_header + """
+<input type="submit" name="add_taxes" value="add taxes" />
+<input type="submit" name="add_taxes2" value="add taxes2" />
+<input type="submit" name="add_sink" value="add sink" />
+<br />
+<input name="date" value="{{date|e}}" size=9 />
+<input name="description" value="{{desc|e}}" list="descriptions" />
+<textarea name="line_0_comment" rows=1 cols=20>{{head_comment|e}}</textarea>
+<input type="submit" name="line_0_add" value="[+]" />
+<br />
+{% for line in booking_lines %}
+<input name="line_{{line.i}}_account" value="{{line.acc|e}}" size=40 list="accounts" />
+<input type="number" name="line_{{line.i}}_amount" step=0.01 value="{{line.amt}}" size=10 />
+<input name="line_{{line.i}}_currency" value="{{line.curr|e}}" size=3 list="currencies" />
+<input type="submit" name="line_{{line.i}}_delete" value="[x]" />
+<input type="submit" name="line_{{line.i}}_delete_after" value="[XX]" />
+<input type="submit" name="line_{{line.i}}_add" value="[+]" />
+<textarea name="line_{{line.i}}_comment" rows=1 cols={% if line.comm_cols %}{{line.comm_cols}}{% else %}20{% endif %}>{{line.comment|e}}</textarea>
+<br />
+{% endfor %}
+{% for name, items in datalist_sets.items() %}
+<datalist id="{{name}}">
+{% for item in items %}
+ <option value="{{item|e}}">{{item|e}}</option>
+{% endfor %}
+</datalist>
+{% endfor %}
+""" + self.add_form_footer)
+ lines = temp_lines if len(''.join(temp_lines)) > 0 else db.get_lines(start, end)
+ bookings, comments = parse_lines(lines, validate_bookings=False)
+ if len(bookings) > 1:
+ raise PlomException('can only structurally edit single Booking')
+ if add_empty_line is not None:
+ comments = comments[:add_empty_line+1] + [''] + comments[add_empty_line+1:]
+ booking = bookings[0]
+ booking.lines = booking.lines[:add_empty_line+1] + [''] + booking.lines[add_empty_line+1:]
+ action = 'add_structured'
+ datalist_sets = {'descriptions': set(), 'accounts': set(), 'currencies': set()}
+ for b in db.bookings:
+ datalist_sets['descriptions'].add(b.description)
+ for account, moneys in b.account_changes.items():
+ datalist_sets['accounts'].add(account)
+ for currency in moneys.keys():
+ datalist_sets['currencies'].add(currency)
+ content = ''
+ today = str(datetime.now())[:10]
+ booking_lines = []
+ if copy:
+ start = end = 0
+ desc = head_comment = ''
+ if len(bookings) == 0:
+ for i in range(1, 3):
+ booking_lines += [{'i': i, 'acc': '', 'amt': '', 'curr': '€', 'comment': ''}]
+ date=today
+ else:
+ booking = bookings[0]
+ desc = booking.description
+ date = today if copy else booking.date_string
+ head_comment=comments[0]
+ last_line = len(comments)
+ for i in range(1, len(comments)):
+ account = amount = currency = ''
+ if i < len(booking.lines) and booking.lines[i] != '':
+ account = booking.lines[i][0]
+ amount = booking.lines[i][1]
+ currency = booking.lines[i][2]
+ booking_lines += [{
+ 'i': i,
+ 'acc': account,
+ 'amt': amount,
+ 'curr': currency if currency else '€',
+ 'comment': comments[i],
+ 'comm_cols': len(comments[i])}]
+ content += tmpl.render(
+ action=action,
+ date=date,
+ desc=desc,
+ head_comment=head_comment,
+ booking_lines=booking_lines,
+ datalist_sets=datalist_sets,
+ start=start,
+ end=end)
+ return content
+
+ def move_up(self, db, start, end):
+ prev_booking = None
+ for redir_nth, b in enumerate(db.bookings):
+ if b.start_line >= start:
+ break
+ prev_booking = b
+ start_at = prev_booking.start_line
+ self.make_move(db, start, end, start_at)
+ return redir_nth - 1
+
+ def move_down(self, db, start, end):
+ next_booking = None
+ for redir_nth, b in enumerate(db.bookings):
+ if b.start_line > start:
+ next_booking = b
+ break
+ start_at = next_booking.start_line + len(next_booking.lines) - (end - start) + 1
+ self.make_move(db, start, end, start_at)
+ return redir_nth
+
+ def make_move(self, db, start, end, start_at):
+ lines = db.get_lines(start, end)
+ total_lines = db.real_lines[:start] + db.real_lines[end:]
+ db.write_lines_in_total_lines_at(total_lines, start_at, lines)
+
+
+if __name__ == "__main__":
+ run_server(server_port, LedgerServer)
projects / misc / blobdiff