"""Web server stuff."""
from __future__ import annotations
from dataclasses import dataclass
-from typing import Any
+from typing import Any, Callable
from base64 import b64encode, b64decode
from http.server import BaseHTTPRequestHandler
from http.server import HTTPServer
"""Handles single HTTP request."""
# pylint: disable=too-many-public-methods
server: TaskServer
+ conn: DatabaseConnection
+ site: str
+ form_data: InputsParser
+ params: InputsParser
- def do_GET(self) -> None:
- """Handle any GET request."""
- try:
- self._init_handling()
- if hasattr(self, f'do_GET_{self.site}'):
- template = f'{self.site}.html'
- ctx = getattr(self, f'do_GET_{self.site}')()
- html = self.server.jinja.get_template(template).render(**ctx)
- self._send_html(html)
- elif '' == self.site:
- self._redirect('/day')
- else:
- raise NotFoundException(f'Unknown page: /{self.site}')
- except HandledException as error:
- self._send_msg(error, code=error.http_code)
- finally:
- self.conn.close()
+ def send_html(self, html: str, code: int = 200) -> None:
+ """Send HTML as proper HTTP response."""
+ self.send_response(code)
+ self.end_headers()
+ self.wfile.write(bytes(html, 'utf-8'))
+
+ @staticmethod
+ def _wrap(method: str, not_found_msg: str
+ ) -> Callable[..., Callable[..., None]]:
+ def decorator(http_method_handler: Callable[..., str]
+ ) -> Callable[..., None]:
+ def wrapper(self: TaskHandler) -> None:
+ try:
+ self.conn = DatabaseConnection(self.server.db)
+ parsed_url = urlparse(self.path)
+ self.site = path_split(parsed_url.path)[1]
+ params = parse_qs(parsed_url.query, strict_parsing=True)
+ self.params = InputsParser(params, False)
+ handler_name = f'do_{method}_{self.site}'
+ if hasattr(self, handler_name):
+ handler = getattr(self, handler_name)
+ redir_target = http_method_handler(self, handler)
+ if redir_target:
+ self.send_response(302)
+ self.send_header('Location', redir_target)
+ self.end_headers()
+ else:
+ msg = f'{not_found_msg}: {self.site}'
+ raise NotFoundException(msg)
+ except HandledException as error:
+ html = self.server.jinja.\
+ get_template('msg.html').render(msg=error)
+ self.send_html(html, error.http_code)
+ finally:
+ self.conn.close()
+ return wrapper
+ return decorator
+
+ @_wrap('GET', 'Unknown page')
+ def do_GET(self, handler: Callable[..., str | dict[str, object]]
+ ) -> str | None:
+ """Render page with result of handler, or redirect if result is str."""
+ template = f'{self.site}.html'
+ ctx_or_redir = handler()
+ if str == type(ctx_or_redir):
+ return ctx_or_redir
+ assert isinstance(ctx_or_redir, dict)
+ html = self.server.jinja.get_template(template).render(**ctx_or_redir)
+ self.send_html(html)
+ return None
+
+ @_wrap('POST', 'Unknown POST target')
+ def do_POST(self, handler: Callable[..., str]) -> str:
+ """Handle POST with handler, prepare redirection to result."""
+ length = int(self.headers['content-length'])
+ postvars = parse_qs(self.rfile.read(length).decode(),
+ keep_blank_values=True, strict_parsing=True)
+ self.form_data = InputsParser(postvars)
+ redir_target = handler()
+ self.conn.commit()
+ return redir_target
def _do_GET_calendar(self) -> dict[str, object]:
"""Show Days from ?start= to ?end=."""
today = date_in_n_days(0)
return {'start': start, 'end': end, 'days': days, 'today': today}
+ def do_GET_(self) -> str:
+ """Return redirect target on GET /."""
+ return '/day'
+
def do_GET_calendar(self) -> dict[str, object]:
"""Show Days from ?start= to ?end= – normal view."""
return self._do_GET_calendar()
processes.sort(key=lambda p: p.title.newest)
return {'processes': processes, 'sort_by': sort_by, 'pattern': pattern}
- def do_POST(self) -> None:
- """Handle any POST request."""
- # pylint: disable=attribute-defined-outside-init
- try:
- self._init_handling()
- length = int(self.headers['content-length'])
- postvars = parse_qs(self.rfile.read(length).decode(),
- keep_blank_values=True, strict_parsing=True)
- self.form_data = InputsParser(postvars)
- if hasattr(self, f'do_POST_{self.site}'):
- redir_target = getattr(self, f'do_POST_{self.site}')()
- self.conn.commit()
- else:
- msg = f'Page not known as POST target: /{self.site}'
- raise NotFoundException(msg)
- self._redirect(redir_target)
- except HandledException as error:
- self._send_msg(error, code=error.http_code)
- finally:
- self.conn.close()
-
def do_POST_day(self) -> str:
"""Update or insert Day of date and Todos mapped to it."""
date = self.params.get_str('date')
todo.add_child(made)
effort = self.form_data.get_str('effort', ignore_strict=True)
todo.effort = float(effort) if effort else None
- todo.set_conditions(self.conn, self.form_data.get_all_int('condition'))
+ todo.set_conditions(self.conn,
+ self.form_data.get_all_int('condition'))
todo.set_blockers(self.conn, self.form_data.get_all_int('blocker'))
todo.set_enables(self.conn, self.form_data.get_all_int('enables'))
todo.set_disables(self.conn, self.form_data.get_all_int('disables'))
self.form_data.get_all_int('condition'))
process.set_blockers(self.conn, self.form_data.get_all_int('blocker'))
process.set_enables(self.conn, self.form_data.get_all_int('enables'))
- process.set_disables(self.conn, self.form_data.get_all_int('disables'))
+ process.set_disables(self.conn,
+ self.form_data.get_all_int('disables'))
process.calendarize = self.form_data.get_all_str('calendarize') != []
process.save(self.conn)
assert isinstance(process.id_, int)
process.uncache()
process.set_steps(self.conn, steps)
process.set_step_suppressions(self.conn,
- self.form_data.get_all_int('suppresses'))
+ self.form_data.
+ get_all_int('suppresses'))
process.save(self.conn)
owners_to_set = []
new_owner_title = None
condition.description.set(self.form_data.get_str('description'))
condition.save(self.conn)
return f'/condition?id={condition.id_}'
-
- def _init_handling(self) -> None:
- # pylint: disable=attribute-defined-outside-init
- self.conn = DatabaseConnection(self.server.db)
- parsed_url = urlparse(self.path)
- self.site = path_split(parsed_url.path)[1]
- params = parse_qs(parsed_url.query, strict_parsing=True)
- self.params = InputsParser(params, False)
-
- def _redirect(self, target: str) -> None:
- self.send_response(302)
- self.send_header('Location', target)
- self.end_headers()
-
- def _send_html(self, html: str, code: int = 200) -> None:
- """Send HTML as proper HTTP response."""
- self.send_response(code)
- self.end_headers()
- self.wfile.write(bytes(html, 'utf-8'))
-
- def _send_msg(self, msg: Exception, code: int = 400) -> None:
- """Send message in HTML formatting as HTTP response."""
- html = self.server.jinja.get_template('msg.html').render(msg=msg)
- self._send_html(html, code)
projects / plomtask / blobdiff