import sys
import os
import html
+import jinja2
from urllib.parse import parse_qs, urlparse
hostName = "localhost"
serverPort = 8082
account_sums[account][currency] += amount
+def add_taxes(lines):
+ import decimal
+ 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 = 10908
+ E1 = 15999
+ E2 = 62809
+ E3 = 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) < 0.1:
+ 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
+ line_income_tax = f' Reserves:Einkommenssteuer {ESt_this_month:.2f}€ ; 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 = 1096.67
+ kk_factor = decimal.Decimal(0.189)
+ kk_minimum_tax = decimal.Decimal(207.27)
+ # 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)
+ line_kk_minimum = f' Reserves:Month:Krankenkassendefaultbeitrag {kk_minimum_tax:.2f}€ ; assed minimum income {kk_minimum_income:.2f}€ * {kk_factor:.3f}'
+ line_kk_add = f' Reserves:Month:Krankenkassenbeitragswachstum {kk_add:.2f}€ ; max(0, {kk_factor:.3f} * {needed_income_before_krankenkasse:.2f}€ - {kk_minimum_tax:.2f}€)'
+ final_minus = expenses_so_far + ESt_this_month + kk_minimum_tax + kk_add
+ line_finish = f' Assets -{final_minus:.2f}€'
+ return [line_income_tax, line_kk_minimum, line_kk_add, line_finish]
+
+
+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):
import datetime
import decimal
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
# 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() == '':
raise HandledException(f"{prefix} last booking unfinished")
return bookings, comments
+
class Booking:
def __init__(self, date_string, description, booking_lines, start_line):
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 self.real_lines[start:end]
+
def replace(self, start, end, lines):
import shutil
if os.path.exists(self.lock_file):
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)
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)
class MyServer(BaseHTTPRequestHandler):
- header = '<html><meta charset="UTF-8"><body><a href="/ledger">ledger</a> <a href="/balance">balance</a> <a href="/add_free">add free</a> <a href="/add_structured">add structured</a><hr />'
- footer = '</body><html>'
+ 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; }
+.full_line_comment { display: block; white-space: nowrap; width: 0; }
+</style>
+<body>
+<a href="/ledger">ledger</a>
+<a href="/balance">balance</a>
+<a href="/add_free">add free</a>
+<a href="/add_structured">add structured</a>
+<hr />
+"""
+ footer = "</body>\n<html>"
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
+ 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():
+ if '' == new_main.rstrip() == comment.rstrip(): # don't write empty lines
continue
- lines += [f'{new_main} ; {comment}']
+ j += 1
+ new_line = new_main
+ if comment.rstrip() != '':
+ new_line += f' ; {comment}'
+ lines += [new_line]
+ if 'add_taxes' in postvars.keys():
+ lines += add_taxes(lines)
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():
+ if start == end == 0:
+ db.append(lines)
+ else:
+ db.replace(start, end, lines)
+ self.send_response(301)
+ redir_url = '/'
+ self.send_header('Location', redir_url)
+ self.end_headers()
else:
- db.replace(start, end, lines)
- self.send_response(200)
- self.end_headers()
- page = f'{self.header}Success!{self.footer}'
- self.wfile.write(bytes(page, "utf-8"))
+ 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}{e}{self.footer}'
+ page = f'{self.header}ERROR: {e}{self.footer}'
self.wfile.write(bytes(page, "utf-8"))
def do_GET(self):
db = Database()
parsed_url = urlparse(self.path)
page = self.header + ''
+ params = parse_qs(parsed_url.query)
+ 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)
elif parsed_url.path == '/add_free':
- params = parse_qs(parsed_url.query)
- start = int(params.get('start', ['0'])[0])
- end = int(params.get('end', ['0'])[0])
page += self.add_free(db, start, end)
elif parsed_url.path == '/add_structured':
- 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])
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)
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])
lines = []
+ account_tree, account_sums = bookings_to_account_tree(db.bookings)
def print_subtree(lines, indent, node, subtree, path):
line = f"{indent}{node}"
n_tabs = 5 - (len(line) // 8)
return f"<pre>{content}</pre>"
def ledger_as_html(self, db):
- lines = []
- line_sep = '<br />'
- for comment in db.comments:
- line = f'; {comment}' if comment != '' else ''
- lines += [line + line_sep]
+ single_c_tmpl = jinja2.Template('<span class="comment">{{c|e}}</span><br />')
+ booking_tmpl = jinja2.Template("""
+<p>{{date}} {{desc}} <span class="comment">{{head_comment|e}}</span>
+[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>]
+<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>
+""")
+ elements_to_write = []
+ last_i = i = 0
for booking in db.bookings:
i = booking.start_line
- suffix = lines[i]
- lines[i] = f'<p>{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'</p>edit: <a href="/add_structured?start={booking.start_line}&end={i+1}">structured</a> / <a href="/add_free?start={booking.start_line}&end={i+1}">free</a><br />'
- return '\n'.join(lines)
-
- def add_free(self, db, start=0, end=0):
- if start == end == 0:
- content = ''
- else:
- content = html.escape(''.join(db.real_lines[start:end]))
- return f'<form method="POST" action="/add_free"><textarea name="booking" rows="8" cols="80">{content}</textarea><input type="hidden" name="start" value={start} /><input type="hidden" name="end" value={end} /><input type="submit"></form>'
+ money = ''
+ if booking_line[1]:
+ money = f'{booking_line[1]} {booking_line[2]}'
+ account = booking_line[0]
+ booking_lines += [{'acc': booking_line[0], 'money':money, 'comment':comment}]
+ elements_to_write += [booking_tmpl.render(
+ start=booking.start_line,
+ end=booking_end,
+ date=booking.date_string,
+ desc=booking.description,
+ head_comment=db.comments[booking.start_line],
+ booking_lines = booking_lines)]
+ return '\n'.join(elements_to_write)
- def add_structured(self, db, start=0, end=0, bonus_lines=10):
- if start == end == 0:
- lines = []
- else:
- lines= db.real_lines[start:end]
- bookings, comments = parse_lines(lines)
+ def add_free(self, db, start=0, end=0, copy=False):
+ tmpl = jinja2.Template("""
+<form method="POST" action="{{action}}">
+<textarea name="booking" rows=10 cols=80>
+{% for line in lines %}{{ line }}
+{% endfor %}
+</textarea>
+<input type="hidden" name="start" value={{start}} />
+<input type="hidden" name="end" value={{end}} />
+<input type="submit" name="save" value="save!">
+</form>
+""")
+ lines = db.get_lines(start, end)
+ if copy:
+ start = end = 0
+ return tmpl.render(start=start, end=end, lines=lines)
+
+ def add_structured(self, db, start=0, end=0, copy=False, temp_lines=[], add_empty_line=None):
+ tmpl = jinja2.Template("""
+<form method="POST" action="{{action|e}}">
+<input type="submit" name="check" value="check" />
+<input type="submit" name="revert" value="revert" />
+<input type="submit" name="add_taxes" value="add taxes" />
+<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" value="{{line.amt}}" size=10 />
+<input name="line_{{line.i}}_currency" value="{{line.curr|e}}" size=3 list="currencies" />
+<textarea name="line_{{line.i}}_comment" rows=1 cols={% if line.comm_cols %}{{line.comm_cols}}{% else %}20{% endif %}>{{line.comment|e}}</textarea>
+<input type="submit" name="line_{{line.i}}_delete" value="[x]" />
+<input type="submit" name="line_{{line.i}}_add" value="[+]" />
+<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 %}
+<input type="hidden" name="start" value={{start}} />
+<input type="hidden" name="end" value={{end}} />
+<input type="submit" name="save" value="save!">
+</form>
+""")
+ import datetime
+ lines = temp_lines if len(''.join(temp_lines)) > 0 else db.get_lines(start, end)
+ bookings, comments = parse_lines(lines)
if len(bookings) > 1:
raise HandledException('can only edit single Booking')
- input_lines = ''
+ 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.datetime.now())[:10]
+ booking_lines = []
+ if copy:
+ start = end = 0
+ desc = head_comment = ''
if len(bookings) == 0:
- input_lines += f'<input name="date" /> <input name="description" /> ; <input name="line_0_comment" /><br />'
- comments = ['']
+ for i in range(1, 3):
+ booking_lines += [{'i': i, 'acc': '', 'amt': '', 'curr': '', 'comment': ''}]
+ date=today
else:
booking = bookings[0]
- if booking.start_line != 0:
- raise HandledException('need to start on first Booking line')
- for i, comment in enumerate(comments):
- if i == 0:
- safe_date_string = html.escape(booking.date_string)
- safe_description = html.escape(booking.description)
- safe_comment = html.escape(comment)
- input_lines += f'<input name="date" value="{safe_date_string}" /> <input name="description" value="{safe_description}" /> ; <input name="line_{i}_comment" value="{safe_comment}" /><br />'
- continue
- safe_account = safe_amount = safe_currency = ''
- safe_comment = html.escape(comment)
- if i < len(booking.lines):
- main = booking.lines[i]
- if main != '':
- safe_account = html.escape(main[0])
- safe_amount = '' if main[1] is None else html.escape(str(main[1]))
- safe_currency = '' if main[2] is None else html.escape(main[2])
- input_lines += f'<input name="line_{i}_account" value="{safe_account}" /> <input name="line_{i}_amount" value="{safe_amount}" /> <input name="line_{i}_currency" value="{safe_currency}" /> ; <input name="line_{i}_comment" value="{safe_comment}" /><br />'
- for j in range(bonus_lines):
- i = j + len(comments)
- input_lines += f'<input name="line_{i}_account"/> <input name="line_{i}_amount"/> <input name="line_{i}_currency"/> ; <input name="line_{i}_comment" /><br />'
- return f'<form method="POST" action="/add_structured">{input_lines}<input type="hidden" name="start" value={start} /><input type="hidden" name="end" value={end} /><input type="submit"></form>'
-
-
-db = Database()
-if __name__ == "__main__":
+ 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
+
+
+if __name__ == "__main__":
webServer = HTTPServer((hostName, serverPort), MyServer)
print(f"Server started http://{hostName}:{serverPort}")
try:
projects / misc / blobdiff