From: Christian Heller Date: Sat, 15 Jun 2024 08:47:11 +0000 (+0200) Subject: Enable server to alternatively output response ctx as JSON, for debugging and testing... X-Git-Url: https://plomlompom.com/repos/%7B%7Bdb.prefix%7D%7D/%7B%7B%20web_path%20%7D%7D/decks/static/template?a=commitdiff_plain;h=db62e6559fdd577dae38d4b6f5cbd5ef6a14cc57;p=plomtask Enable server to alternatively output response ctx as JSON, for debugging and testing purposes. --- diff --git a/plomtask/days.py b/plomtask/days.py index afe4a01..a924bbf 100644 --- a/plomtask/days.py +++ b/plomtask/days.py @@ -23,6 +23,13 @@ class Day(BaseModel[str]): def __lt__(self, other: Day) -> bool: return self.date < other.date + @property + def as_dict(self) -> dict[str, object]: + """Return self as (json.dumps-coompatible) dict.""" + d = super().as_dict + d['todos'] = [t.as_dict for t in self.todos] + return d + @classmethod def from_table_row(cls, db_conn: DatabaseConnection, row: Row | list[Any] ) -> Day: diff --git a/plomtask/db.py b/plomtask/db.py index 99998a6..1cecc16 100644 --- a/plomtask/db.py +++ b/plomtask/db.py @@ -271,6 +271,23 @@ class BaseModel(Generic[BaseModelId]): assert isinstance(other.id_, int) return self.id_ < other.id_ + @property + def as_dict(self) -> dict[str, object]: + """Return self as (json.dumps-coompatible) dict.""" + d: dict[str, object] = {'id': self.id_} + for k in self.to_save: + attr = getattr(self, k) + if hasattr(attr, 'as_dict'): + d[k] = attr.as_dict + d[k] = attr + for k in self.to_save_versioned: + attr = getattr(self, k) + d[k] = attr.as_dict + for r in self.to_save_relations: + attr_name = r[2] + d[attr_name] = [x.as_dict for x in getattr(self, attr_name)] + return d + # cache management # (we primarily use the cache to ensure we work on the same object in # memory no matter where and how we retrieve it, e.g. we don't want diff --git a/plomtask/http.py b/plomtask/http.py index 26c8b71..d602f07 100644 --- a/plomtask/http.py +++ b/plomtask/http.py @@ -1,11 +1,12 @@ """Web server stuff.""" from __future__ import annotations from dataclasses import dataclass -from typing import Any, Callable, Mapping +from typing import Any, Callable from base64 import b64encode, b64decode from http.server import BaseHTTPRequestHandler from http.server import HTTPServer from urllib.parse import urlparse, parse_qs +from json import dumps as json_dumps from os.path import split as path_split from jinja2 import Environment as JinjaEnv, FileSystemLoader as JinjaFSLoader from plomtask.dating import date_in_n_days @@ -16,6 +17,7 @@ from plomtask.db import DatabaseConnection, DatabaseFile from plomtask.processes import Process, ProcessStep, ProcessStepsNode from plomtask.conditions import Condition from plomtask.todos import Todo +from plomtask.db import BaseModel TEMPLATES_DIR = 'templates' @@ -27,7 +29,37 @@ class TaskServer(HTTPServer): *args: Any, **kwargs: Any) -> None: super().__init__(*args, **kwargs) self.db = db_file - self.jinja = JinjaEnv(loader=JinjaFSLoader(TEMPLATES_DIR)) + self.headers: list[tuple[str, str]] = [] + self._render_mode = 'html' + self._jinja = JinjaEnv(loader=JinjaFSLoader(TEMPLATES_DIR)) + + def set_json_mode(self) -> None: + """Make server send JSON instead of HTML responses.""" + self._render_mode = 'json' + self.headers += [('Content-Type', 'application/json')] + + @staticmethod + def ctx_to_json(ctx: dict[str, object]) -> str: + """Render ctx into JSON string.""" + def walk_ctx(node: object) -> Any: + if isinstance(node, BaseModel): + return node.as_dict + if isinstance(node, (list, tuple)): + return [walk_ctx(x) for x in node] + if isinstance(node, HandledException): + return str(node) + return node + for k, v in ctx.items(): + ctx[k] = walk_ctx(v) + return json_dumps(ctx) + + def render(self, ctx: dict[str, object], tmpl_name: str = '') -> str: + """Render ctx according to self._render_mode..""" + tmpl_name = f'{tmpl_name}.{self._render_mode}' + if 'html' == self._render_mode: + template = self._jinja.get_template(tmpl_name) + return template.render(ctx) + return self.__class__.ctx_to_json(ctx) class InputsParser: @@ -106,16 +138,18 @@ class TaskHandler(BaseHTTPRequestHandler): _form_data: InputsParser _params: InputsParser - def _send_html(self, + def _send_page(self, + ctx: dict[str, Any], tmpl_name: str, - ctx: Mapping[str, object], - code: int = 200) -> None: + code: int = 200 + ) -> None: """Send HTML as proper HTTP response.""" - tmpl = self.server.jinja.get_template(tmpl_name) - html = tmpl.render(ctx) + body = self.server.render(ctx, tmpl_name) self.send_response(code) + for header_tuple in self.server.headers: + self.send_header(*header_tuple) self.end_headers() - self.wfile.write(bytes(html, 'utf-8')) + self.wfile.write(bytes(body, 'utf-8')) @staticmethod def _request_wrapper(http_method: str, not_found_msg: str @@ -148,7 +182,7 @@ class TaskHandler(BaseHTTPRequestHandler): assert hasattr(cls, 'empty_cache') cls.empty_cache() ctx = {'msg': error} - self._send_html('msg.html', ctx, error.http_code) + self._send_page(ctx, 'msg', error.http_code) finally: self.conn.close() return wrapper @@ -158,11 +192,11 @@ class TaskHandler(BaseHTTPRequestHandler): def do_GET(self, handler: Callable[[], str | dict[str, object]] ) -> str | None: """Render page with result of handler, or redirect if result is str.""" - tmpl_name = f'{self._site}.html' - ctx_or_redir = handler() - if isinstance(ctx_or_redir, str): - return ctx_or_redir - self._send_html(tmpl_name, ctx_or_redir) + tmpl_name = f'{self._site}' + ctx_or_redir_target = handler() + if isinstance(ctx_or_redir_target, str): + return ctx_or_redir_target + self._send_page(ctx_or_redir_target, tmpl_name) return None @_request_wrapper('POST', 'Unknown POST target') diff --git a/plomtask/processes.py b/plomtask/processes.py index 06ee4ba..6df8eaf 100644 --- a/plomtask/processes.py +++ b/plomtask/processes.py @@ -46,6 +46,14 @@ class Process(BaseModel[int], ConditionsRelations): self.calendarize = calendarize self.n_owners: int | None = None # only set by from_table_row + @property + def as_dict(self) -> dict[str, object]: + """Return self as (json.dumps-coompatible) dict.""" + d = super().as_dict + d['explicit_steps'] = [s.as_dict for s in self.explicit_steps] + d['suppressed_steps'] = [s.as_dict for s in self.suppressed_steps] + return d + @classmethod def from_table_row(cls, db_conn: DatabaseConnection, row: Row | list[Any]) -> Process: @@ -218,7 +226,7 @@ class ProcessStep(BaseModel[int]): self.parent_step_id = parent_step_id def save(self, db_conn: DatabaseConnection) -> None: - """Remove from DB, and owner's .explicit_steps.""" + """Update into DB/cache, and owner's .explicit_steps.""" super().save(db_conn) owner = Process.by_id(db_conn, self.owner_id) if self not in owner.explicit_steps: diff --git a/plomtask/versioned_attributes.py b/plomtask/versioned_attributes.py index cbd1c8e..b7e54e2 100644 --- a/plomtask/versioned_attributes.py +++ b/plomtask/versioned_attributes.py @@ -25,6 +25,14 @@ class VersionedAttribute: history_tuples) return hash(hashable) + @property + def as_dict(self) -> dict[str, object]: + """Return self as (json.dumps-coompatible) dict.""" + d = {'parent_process_id': self.parent.id_, + 'table_name': self.table_name, + 'history': self.history} + return d + @property def _newest_timestamp(self) -> str: """Return most recent timestamp.""" diff --git a/templates/day.html b/templates/day.html index f980cd1..acc9aaa 100644 --- a/templates/day.html +++ b/templates/day.html @@ -142,10 +142,12 @@ comment: add:

+make new todos +descendants (i.e. adopt where possible, otherwise create anew)

diff --git a/tests/days.py b/tests/days.py index 286f758..901667f 100644 --- a/tests/days.py +++ b/tests/days.py @@ -1,6 +1,7 @@ """Test Days module.""" from unittest import TestCase from datetime import datetime +from json import loads as json_loads from tests.utils import TestCaseWithDB, TestCaseWithServer from plomtask.dating import date_in_n_days from plomtask.days import Day @@ -105,6 +106,23 @@ class TestsWithDB(TestCaseWithDB): class TestsWithServer(TestCaseWithServer): """Tests against our HTTP server/handler (and database).""" + def test_get_json(self) -> None: + """Test /day for JSON response.""" + self.conn.request('GET', '/day?date=2024-01-01') + response = self.conn.getresponse() + self.assertEqual(response.status, 200) + expected = {'day': {'id': '2024-01-01', + 'comment': '', + 'todos': []}, + 'top_nodes': [], + 'make_type': '', + 'enablers_for': {}, + 'disablers_for': {}, + 'conditions_present': [], + 'processes': []} + retrieved = json_loads(response.read().decode()) + self.assertEqual(expected, retrieved) + def test_do_GET(self) -> None: """Test /day and /calendar response codes, and / redirect.""" self.check_get('/day', 200) diff --git a/tests/utils.py b/tests/utils.py index a9a4e80..15a53ae 100644 --- a/tests/utils.py +++ b/tests/utils.py @@ -217,6 +217,7 @@ class TestCaseWithServer(TestCaseWithDB): self.server_thread.start() self.conn = HTTPConnection(str(self.httpd.server_address[0]), self.httpd.server_address[1]) + self.httpd.set_json_mode() def tearDown(self) -> None: self.httpd.shutdown()