From: Christian Heller Date: Sat, 4 Nov 2023 21:36:17 +0000 (+0100) Subject: Improve ledger.py. X-Git-Url: https://plomlompom.com/repos/%7B%7B%20web_path%20%7D%7D/decks/condition?a=commitdiff_plain;h=fb98793f5731cb56c3122ce813ea85158040abed;p=misc Improve ledger.py. --- diff --git a/ledger.py b/ledger.py index b93b202..2b2a807 100755 --- a/ledger.py +++ b/ledger.py @@ -1,5 +1,4 @@ from http.server import BaseHTTPRequestHandler, HTTPServer -import sys import os import html import jinja2 @@ -14,11 +13,6 @@ class HandledException(Exception): pass -def handled_error_exit(msg): - print(f"ERROR: {msg}") - sys.exit(1) - - def apply_booking_to_account_balances(account_sums, account, currency, amount): if not account in account_sums: account_sums[account] = {currency: amount} @@ -321,11 +315,8 @@ class Database: source = f'{bak_prefix}{i}' target = f'{bak_prefix}{j}' shutil.move(source, target) - else: - print("keeping", i) j += 1 for i in range(j, len(backup_dates)): - print("removing", i) try: os.remove(f'{bak_prefix}{i}') except FileNotFoundError: @@ -467,20 +458,19 @@ input[type=number] { text-align: right; font-family: monospace; } .full_line_comment { display: block; white-space: nowrap; width: 0; } -ledger1 -ledger2 +ledger balance add free add structured

""" booking_tmpl = jinja2.Template(""" -

{{date}} {{desc}} {{head_comment|e}}
+

{{date}} {{desc}} {{head_comment|e}}
[edit: structured / free | copy:structured / free -| balance before or after +| balance after ] {% for l in booking_lines %} @@ -492,18 +482,25 @@ input[type=number] { text-align: right; font-family: monospace; } {% endfor %}

""") + add_form_footer = """ + + + + +""" footer = "\n" def do_POST(self): try: - db = Database() + parsed_url = urlparse(self.path) length = int(self.headers['content-length']) postvars = parse_qs(self.rfile.read(length).decode(), keep_blank_values=1) - parsed_url = urlparse(self.path) - lines = [] - add_empty_line = None start = int(postvars['start'][0]) end = int(postvars['end'][0]) + + db = Database() + add_empty_line = None + lines = [] if '/add_structured' == parsed_url.path and not 'revert' in postvars.keys(): date = postvars['date'][0] description = postvars['description'][0] @@ -550,75 +547,72 @@ input[type=number] { text-align: right; font-family: monospace; } lines += db.add_taxes(lines, finish=True) elif '/add_free' == parsed_url.path: lines = postvars['booking'][0].splitlines() + if ('save' in postvars.keys()) or ('check' in postvars.keys()): _, _ = parse_lines(lines) + if 'save' in postvars.keys(): if start == end == 0: db.append(lines) redir_url = f'/#last' else: db.replace(start, end, lines) - redir_url = f'/#{start}' - self.send_response(301) - self.send_header('Location', redir_url) - self.end_headers() - else: + 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_response(200) - self.send_header("Content-type", "text/html") - self.end_headers() - self.wfile.write(bytes(page, "utf-8")) + self.send_HTML(page) except HandledException as e: - self.send_response(400) - self.send_header("Content-type", "text/html") - self.end_headers() - page = f'{self.header}ERROR: {e}{self.footer}' - self.wfile.write(bytes(page, "utf-8")) + self.fail_400(e) def do_GET(self): - self.send_response(200) - self.send_header("Content-type", "text/html") + 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 = Database() + 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) + else: + page += self.ledger_as_html(db) + page += self.footer + self.send_HTML(page) + except HandledException as e: + self.fail_400(e) + + def fail_400(self, e): + page = f'{self.header}ERROR: {e}{self.footer}' + self.send_HTML(page, 400) + + def send_HTML(self, html, code=200): + self.send_code_and_headers(code, [('Content-type', 'text/html')]) + self.wfile.write(bytes(html, "utf-8")) + + def send_code_and_headers(self, code, headers=[]): + self.send_response(code) + for fieldname, content in headers: + self.send_header(fieldname, content) self.end_headers() - 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': - stop_date = params.get('stop', [None])[0] - plus = int(params.get('plus', [0])[0]) - page += self.balance_as_html(db, stop_date, plus) - 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 == '/ledger2': - page += self.ledger2_as_html(db) - else: - page += self.ledger_as_html(db) - page += self.footer - self.wfile.write(bytes(page, "utf-8")) - def balance_as_html(self, db, stop_date=None, plus=0): + def balance_as_html(self, db, until=None): + bookings = db.bookings[:until if until is None else int(until)] lines = [] - bookings = db.bookings - if stop_date: - bookings = [] - i = -1 - for b in db.bookings: - if b.date_string == stop_date: - if -1 == i: - i = 0 - if i >= plus: - break - if i > -1: - i += 1 - bookings += [b] account_tree, account_sums = bookings_to_account_tree(bookings) def print_subtree(lines, indent, node, subtree, path): line = f"{indent}{node}" @@ -641,84 +635,20 @@ input[type=number] { text-align: right; font-family: monospace; } content = "\n".join(lines) return f"

{content}

" - def ledger2_as_html(self, db): - elements_to_write = [] - account_sums = {} ## - nth_of_same_date = 0 - same_date = '' - for booking in db.bookings: - if booking.date_string == same_date: - nth_of_same_date += 1 - else: - same_date = booking.date_string - nth_of_same_date = 0 - booking_end = booking.start_line + len(booking.lines) - booking_lines = [] - for booking_line in booking.lines[1:]: - if booking_line == '': - continue - account = booking_line[0] ## - account_toks = account.split(':') ## - path = '' ## - for tok in account_toks: ## - path += tok ## - if not path in account_sums.keys(): ## - account_sums[path] = {} ## - path += ':' ## - moneys = [] ## - money = '' - if booking_line[1] is not None: - moneys += [(booking_line[1], booking_line[2])] ## - money = f'{moneys[0][0]} {moneys[0][1]}' - else: ## - for currency, amount in booking.sink.items(): ## - moneys += {(amount, currency)} ## - money = '[' ## - for m in moneys: ## - money += f'{m[0]} {m[1]} ' ## - money += ']' ## - balance = '' ## - for amount, currency in moneys: ## - path = '' ## - for tok in account_toks: ## - path += tok ## - if not currency in account_sums[path].keys(): ## - account_sums[path][currency] = 0 ## - account_sums[path][currency] += amount ## - path += ':' ## - balance += f'{account_sums[account][currency]} {currency}' ## - booking_lines += [{'acc': booking_line[0], 'money':money, 'comment':balance}] ## - elements_to_write += [self.booking_tmpl.render( - start=booking.start_line, - end=booking_end, - date=booking.date_string, - desc=booking.description, - head_comment=db.comments[booking.start_line], - steps_after_date=nth_of_same_date, - booking_lines = booking_lines)] - return '\n'.join(elements_to_write) - def ledger_as_html(self, db): - single_c_tmpl = jinja2.Template('{{c|e}}
') + single_c_tmpl = jinja2.Template('{{c|e}}
') ## elements_to_write = [] last_i = i = 0 ## - nth_of_same_date = 0 - same_date = '' - for booking in db.bookings: - if booking.date_string == same_date: - nth_of_same_date += 1 - else: - same_date = booking.date_string - nth_of_same_date = 0 - i = booking.start_line ## - elements_to_write += [single_c_tmpl.render(c=c) for c in db.comments[last_i:i] if c != ''] ## + for nth, booking in enumerate(db.bookings): 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] + i += 1 ## + comment = db.comments[i] ## if booking_line == '': - booking_lines += [{'acc': None, 'money': None, 'comment': comment}] + booking_lines += [{'acc': None, 'money': None, 'comment': comment}] ## continue account = booking_line[0] money = '' @@ -726,14 +656,14 @@ input[type=number] { text-align: right; font-family: monospace; } 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], - steps_after_date=nth_of_same_date, booking_lines = booking_lines)] - elements_to_write += [single_c_tmpl.render(c=c) for c in db.comments[last_i:] if c != ''] + 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): @@ -743,11 +673,7 @@ input[type=number] { text-align: right; font-family: monospace; } {% for line in lines %}{{ line }} {% endfor %} - - - - -""") +""" + self.add_form_footer) lines = db.get_lines(start, end) if copy: start = end = 0 @@ -784,11 +710,7 @@ input[type=number] { text-align: right; font-family: monospace; } {% endfor %} {% 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: