import html
import jinja2
import decimal
-import datetime
+from datetime import datetime, timedelta
from urllib.parse import parse_qs, urlparse
hostName = "localhost"
serverPort = 8082
def parse_lines(lines, validate_bookings=True):
- import datetime
inside_booking = False
date_string, description = None, None
booking_lines = []
toks = non_comment.split(maxsplit=1)
date_string = toks[0]
try:
- datetime.datetime.strptime(date_string, '%Y-%m-%d')
+ datetime.strptime(date_string, '%Y-%m-%d')
except ValueError:
raise HandledException(f"{prefix} bad date string: {date_string}")
if last_date > date_string:
f = open(self.lock_file, 'w+')
f.close()
- # always back up most recent to .bak
- bakpath = f'{self.db_file}.bak'
- shutil.copy(self.db_file, bakpath)
-
# collect modification times of numbered .bak files
- bak_prefix = f'{bakpath}.'
+ bak_prefix = f'{self.db_file}.bak.'
backup_dates = []
i = 0
bak_as = f'{bak_prefix}{i}'
while os.path.exists(bak_as):
mod_time = os.path.getmtime(bak_as)
- backup_dates += [str(datetime.datetime.fromtimestamp(mod_time))]
+ backup_dates += [str(datetime.fromtimestamp(mod_time))]
i += 1
bak_as = f'{bak_prefix}{i}'
- # collect what numbered .bak files to save
+ # collect what numbered .bak files to save: the older, the fewer; for each
+ # timedelta, keep the newest file that's older
+ ages_to_keep = [timedelta(minutes=4**i) for i in range(0, 8)]
+ now = datetime.now()
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))):
- if date[:datetime_len] == now:
- if i not in to_save:
- to_save += [i]
- break
- datetime_len -= 1
- now = now[:datetime_len]
+ for age in ages_to_keep:
+ limit = now - age
+ for i, date in enumerate(reversed(backup_dates)):
+ if datetime.strptime(date, '%Y-%m-%d %H:%M:%S.%f') < limit:
+ unreversed_i = len(backup_dates) - i - 1
+ if unreversed_i not in to_save:
+ to_save += [unreversed_i]
+ break
# 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}'
except FileNotFoundError:
pass
- #
+ # put 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);
os.remove(self.lock_file)
- def replace(self, start, end, lines):
- total_lines = self.real_lines[:start] + lines + self.real_lines[end:]
+ 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 append(self, lines):
- 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 = []
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
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
/ <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>
{% 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}} />
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():
+ 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.strptime(first_token, '%Y-%m-%d')
+ target_date = first_token
+ except ValueError:
+ pass
if start == end == 0:
- db.append(lines)
- redir_url = f'/#last'
+ start = db.insert_at_date(lines, target_date)
+ nth = db.get_nth_for_booking_of_start_line(start)
else:
- db.replace(start, end, lines)
- nth = 0
- for i, b in enumerate(db.bookings):
- if b.start_line == start:
- nth = i
- break
- 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)
+ 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:
+ 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)
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:
page += self.ledger_as_html(db)
page += self.footer
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 = []
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 ##
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)
def add_free(self, db, start=0, end=0, copy=False):
- tmpl = jinja2.Template("""
-<form method="POST" action="{{action|e}}">
+ tmpl = jinja2.Template(self.add_form_header + """<br />
<textarea name="booking" rows=10 cols=80>
{% for line in lines %}{{ line }}
{% endfor %}
return tmpl.render(action='add_free', 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" />
+ 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" />
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 HandledException('can only edit single Booking')
+ raise HandledException('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]
for currency in moneys.keys():
datalist_sets['currencies'].add(currency)
content = ''
- today = str(datetime.datetime.now())[:10]
+ today = str(datetime.now())[:10]
booking_lines = []
if copy:
start = end = 0
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__":
webServer = HTTPServer((hostName, serverPort), MyServer)
projects / misc / blobdiff