X-Git-Url: https://plomlompom.com/repos/condition_titles?a=blobdiff_plain;f=ledger.py;h=a1b31eb9f9c4d56739340aa8658721b9eb61368d;hb=3cc26ca62b237dd6f5ad480c0391431bdb5728fc;hp=9fa9f14a5ae7d1816175148d96b06de029d8346b;hpb=957b289c36c522e19916ef474f14a70caeab0c17;p=misc
diff --git a/ledger.py b/ledger.py
index 9fa9f14..a1b31eb 100755
--- a/ledger.py
+++ b/ledger.py
@@ -1,7 +1,8 @@
from http.server import BaseHTTPRequestHandler, HTTPServer
import sys
import os
-from urllib.parse import parse_qs
+import html
+from urllib.parse import parse_qs, urlparse
hostName = "localhost"
serverPort = 8082
@@ -24,6 +25,104 @@ def apply_booking_to_account_balances(account_sums, account, currency, amount):
account_sums[account][currency] += amount
+def add_taxes(lines):
+ import decimal
+ bookings, _ = parse_lines(lines.copy())
+ _, account_sums = bookings_to_account_tree(bookings)
+ expenses_so_far = -1 * account_sums['Assets']['â¬']
+ 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}â¬; zvE: {zvE:.2f}â¬; ESt total: {ESt:.2f}â¬; needed before Krankenkasse: {needed_income_before_krankenkasse:.2f}â¬'
+ 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}â¬)'
+ final_minus = expenses_so_far + ESt_this_month + kk_minimum_tax + kk_add
+ line_finish = f' Assets -{final_minus:.2f}â¬'
+ 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
@@ -54,7 +153,7 @@ 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() == '':
@@ -75,6 +174,7 @@ def parse_lines(lines):
except IndexError:
raise HandledException(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
@@ -158,7 +258,7 @@ class Booking:
prefix = f"booking at line {self.start_line}"
sums = {}
empty_values = 0
- for line in self.lines:
+ for line in self.lines[1:]:
if line == '':
continue
_, amount, currency = line
@@ -186,7 +286,7 @@ class Booking:
account_changes = {}
debt = {}
sink_account = None
- for line in self.lines:
+ for line in self.lines[1:]:
if line == '':
continue
account, amount, currency = line
@@ -221,6 +321,9 @@ class Database:
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):
@@ -248,13 +351,53 @@ class Database:
class MyServer(BaseHTTPRequestHandler):
- header = '
ledger balance add
'
- footer = ''
+ header = """
+
+
+
+ledger
+balance
+add free
+add structured
+
+"""
+ 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)
- lines = postvars['booking'][0].splitlines()
+ parsed_url = urlparse(self.path)
+ if '/add_structured' == parsed_url.path:
+ date = postvars['date'][0]
+ description = postvars['description'][0]
+ start_comment = postvars['line_0_comment'][0]
+ lines = [f'{date} {description} ; {start_comment}']
+ i = 1
+ while f'line_{i}_comment' in postvars.keys():
+ 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
+ new_line = new_main
+ if comment.rstrip() != '':
+ new_line += f' ; {comment}'
+ lines += [new_line]
+ if 'add_income_tax' 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:
@@ -262,80 +405,48 @@ class MyServer(BaseHTTPRequestHandler):
if start == end == 0:
db.append(lines)
else:
- # raise HandledException(f'would write from {start} to {end}')
db.replace(start, end, lines)
- self.send_response(200)
+ self.send_response(301)
+ redir_url = '/'
+ if 'add_income_tax' in postvars.keys():
+ redir_url = f'/add_structured?start={start}&end={start+len(lines)-1}'
+ self.send_header('Location', redir_url)
self.end_headers()
- page = f"{self.header}Success!{self.footer}"
- self.wfile.write(bytes(page, "utf-8"))
except HandledException as e:
self.send_response(400)
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):
- from urllib.parse import urlparse
self.send_response(200)
self.send_header("Content-type", "text/html")
self.end_headers()
db = Database()
- page = self.header + ''
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])
+ bonus_lines = int(params.get('bonus_lines', ['0'])[0])
if parsed_url.path == '/balance':
page += self.balance_as_html(db)
- elif parsed_url.path == '/add':
- params = parse_qs(parsed_url.query)
- start = int(params.get('start', ['0'])[0])
- end = int(params.get('end', ['0'])[0])
- page += self.add(db, start, end)
+ 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)
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)
@@ -357,36 +468,128 @@ class MyServer(BaseHTTPRequestHandler):
content = "\n".join(lines)
return f"{content}
"
+ # def ledger_as_html(self, db):
+ # lines = []
+ # line_sep = '
'
+ # for comment in db.comments:
+ # line = f' ; {comment}' if comment != '' else ''
+ # lines += [line + line_sep]
+ # for booking in db.bookings:
+ # i = booking.start_line
+ # suffix = lines[i]
+ # lines[i] = f'{booking.date_string} {booking.description}{suffix}'
+ # for booking_line in booking.lines[1:]:
+ # 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}'
+ # lines[i] = lines[i][:-len(line_sep)] + f"""
+# edit :
+# structured
+# / free
+# | co py:
+# structured
+# / free
+#
"""
+# return '\n'.join(lines)
+
def ledger_as_html(self, db):
lines = []
- line_sep = '
'
for comment in db.comments:
- line = f'; {comment}' if comment != '' else ''
- lines += [line + line_sep]
+ lines += [f'' if comment != '' else '']
for booking in db.bookings:
i = booking.start_line
- suffix = lines[i] # f" {lines[i]}" if len(lines[i]) > 0 else ""
- lines[i] = f'{booking.date_string} {booking.description}{suffix}'
- for booking_line in booking.lines:
+ booking_end = booking.start_line + len(booking.lines)
+ lines[i] = f"""{booking.date_string} {booking.description} {lines[i]}
+[edit: structured
+/ free
+| copy:structured
+/ free]
+
"""
+ for booking_line in booking.lines[1:]:
i += 1
if booking_line == '':
+ lines[i] = f' |
'
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
'
+ comment = f' {lines[i]}' if len(lines[i]) > 0 else ''
+ money = ''
+ if booking_line[1]:
+ money = f'{booking_line[1]} {booking_line[2]}'
+ account = booking_line[0]
+ lines[i] = f'{booking_line[0]} | {money} | {comment} |
'
+ lines[i] = lines[i] + "\n" + '
'
return '\n'.join(lines)
- def add(self, db, start=0, end=0):
- if start == end == 0:
- content = ''
+ def header_add_form(self, action):
+ return f""""
+
+ def add_free(self, db, start=0, end=0, copy=False):
+ content = html.escape(''.join(db.get_lines(start, end)))
+ return f'{self.header_add_form("add_free")}{self.footer_add_form(start, end, copy)}'
+
+ def add_structured(self, db, start=0, end=0, bonus_lines=10, copy=False):
+ import datetime
+ lines = db.get_lines(start, end)
+ bookings, comments = parse_lines(lines)
+ if len(bookings) > 1:
+ raise HandledException('can only edit single Booking')
+ last_line = 0
+ def inpu(name, val="", datalist="", input_type='text'):
+ val = val if val is not None else ""
+ safe_val = html.escape(str(val))
+ datalist_string = '' if datalist == '' else f'list="{datalist}"'
+ return f''
+ input_lines = inpu('add_income_tax', 'add income tax', '', 'submit') + '
'
+ today = str(datetime.datetime.now())[:10]
+ if len(bookings) == 0:
+ input_lines += f'{inpu("date", today)} {inpu("description", "", "descriptions")} ; {inpu("line_0_comment")}
'
+ last_line = 1
else:
- content = ''.join(db.real_lines[start:end])
- return f''
+ booking = bookings[0]
+ last_line = len(comments)
+ date_string = today if copy else booking.date_string
+ input_lines += f'{inpu("date", date_string)} {inpu("description", booking.description, "descriptions")} ; {inpu("line_0_comment", comments[0])}
'
+ 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]
+ input_lines += f'{inpu(f"line_{i}_account", account, "accounts")} {inpu(f"line_{i}_amount", amount)} {inpu(f"line_{i}_currency", currency, "currencies")} ; {inpu(f"line_{i}_comment", comments[i])}
'
+ for j in range(bonus_lines):
+ i = j + last_line
+ input_lines += f'{inpu(f"line_{i}_account", "", "accounts")} {inpu(f"line_{i}_amount", "", "amounts")} {inpu(f"line_{i}_currency", "", "currencies")} ; {inpu(f"line_{i}_comment")}
'
+ 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)
+ def build_datalist(name):
+ datalist = f'\n"
+ datalists = build_datalist('descriptions')
+ datalists += build_datalist('accounts')
+ datalists += build_datalist('currencies')
+ return f'{self.header_add_form("add_structured")}{input_lines}{datalists}{self.footer_add_form(start, end, copy)}'
-db = Database()
-if __name__ == "__main__":
+if __name__ == "__main__":
webServer = HTTPServer((hostName, serverPort), MyServer)
print(f"Server started http://{hostName}:{serverPort}")
try: