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7 changed files with 132 additions and 128 deletions

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@ -2,109 +2,39 @@
import json
import os
import re
import typing
from collections import defaultdict
from datetime import date, datetime, time, timedelta
from datetime import date, datetime, timedelta
import httpx
import lxml.html
from . import uk_time
from .types import Event
from .utils import make_waste_dir
ttl_hours = 12
def make_waste_dir(data_dir: str) -> None:
"""Make waste dir if missing."""
waste_dir = os.path.join(data_dir, "waste")
if not os.path.exists(waste_dir):
os.mkdir(waste_dir)
async def get_html(data_dir: str, postcode: str, uprn: str) -> str:
"""Get waste schedule."""
now = datetime.now()
waste_dir = os.path.join(data_dir, "waste")
make_waste_dir(data_dir)
existing_data = os.listdir(waste_dir)
existing = [f for f in existing_data if f.endswith(".html")]
if existing:
recent_filename = max(existing)
recent = datetime.strptime(recent_filename, "%Y-%m-%d_%H:%M.html")
delta = now - recent
if existing and delta < timedelta(hours=ttl_hours):
return open(os.path.join(waste_dir, recent_filename)).read()
now_str = now.strftime("%Y-%m-%d_%H:%M")
filename = f"{waste_dir}/{now_str}.html"
forms_base_url = "https://forms.n-somerset.gov.uk"
url = "https://forms.n-somerset.gov.uk/Waste/CollectionSchedule"
async with httpx.AsyncClient() as client:
r = await client.post(
url,
data={
"PreviousHouse": "",
"PreviousPostcode": "-",
"Postcode": postcode,
"SelectedUprn": uprn,
},
)
form_post_html = r.text
pattern = r'<h2>Object moved to <a href="([^"]*)">here<\/a>\.<\/h2>'
m = re.search(pattern, form_post_html)
if m:
r = await client.get(forms_base_url + m.group(1))
html = r.text
open(filename, "w").write(html)
return html
def parse_waste_schedule_date(day_and_month: str) -> date:
"""Parse waste schedule date."""
today = date.today()
fmt = "%A %d %B %Y"
d = datetime.strptime(f"{day_and_month} {today.year}", fmt).date()
if d < today:
d = datetime.strptime(f"{day_and_month} {today.year + 1}", fmt).date()
return d
def parse(root: lxml.html.HtmlElement) -> list[Event]:
"""Parse waste schedule."""
tbody = root.find(".//table/tbody")
assert tbody is not None
by_date = defaultdict(list)
for e_service, e_next_date, e_following in tbody:
assert e_service.text and e_next_date.text and e_following.text
service = e_service.text
next_date = parse_waste_schedule_date(e_next_date.text)
following_date = parse_waste_schedule_date(e_following.text)
by_date[next_date].append(service)
by_date[following_date].append(service)
return [
Event(
name="waste_schedule",
date=uk_time(d, time(6, 30)),
title="Backwell: " + ", ".join(services),
)
for d, services in by_date.items()
]
BristolSchedule = list[dict[str, typing.Any]]
async def get_bristol_data(
data_dir: str, uprn: str, refresh: bool = False
) -> BristolSchedule:
async def get(
start_date: date, data_dir: str, uprn: str, refresh: bool = False
) -> list[Event]:
"""Get waste collection schedule from Bristol City Council."""
by_date: defaultdict[date, list[str]] = defaultdict(list)
for item in await get_data(data_dir, uprn, refresh):
service = get_service(item)
for d in collections(item):
if d < start_date and service not in by_date[d]:
by_date[d].append(service)
return [
Event(name="waste_schedule", date=d, title="Bristol: " + ", ".join(services))
for d, services in by_date.items()
]
async def get_data(data_dir: str, uprn: str, refresh: bool = False) -> BristolSchedule:
"""Get Bristol Waste schedule, with cache."""
now = datetime.now()
waste_dir = os.path.join(data_dir, "waste")
@ -126,7 +56,7 @@ async def get_bristol_data(
return get_from_recent()
try:
r = await get_bristol_gov_uk_data(uprn)
r = await get_web_data(uprn)
except httpx.ReadTimeout:
return get_from_recent()
@ -136,7 +66,7 @@ async def get_bristol_data(
return typing.cast(BristolSchedule, r.json()["data"])
async def get_bristol_gov_uk_data(uprn: str) -> httpx.Response:
async def get_web_data(uprn: str) -> httpx.Response:
"""Get JSON from Bristol City Council."""
UA = "Mozilla/5.0 (Windows NT 10.0; Win64; x64)"
HEADERS = {
@ -186,39 +116,14 @@ async def get_bristol_gov_uk_data(uprn: str) -> httpx.Response:
return response
def bristol_service(item: dict[str, typing.Any]) -> str:
def get_service(item: dict[str, typing.Any]) -> str:
"""Bristol waste service name."""
service: str = item["containerName"]
return "Recycling" if "Recycling" in service else service.partition(" ")[2]
def bristol_collections(item: dict[str, typing.Any]) -> typing.Iterable[date]:
def collections(item: dict[str, typing.Any]) -> typing.Iterable[date]:
"""Bristol dates from collections."""
for collection in item["collection"]:
for collection_date_key in ["nextCollectionDate", "lastCollectionDate"]:
yield date.fromisoformat(collection[collection_date_key][:10])
def bristol_by_date(data: BristolSchedule, start_date: date) -> dict[date, list[str]]:
"""Build list of Bristol services by date."""
by_date: defaultdict[date, list[str]] = defaultdict(list)
for item in data:
service = bristol_service(item)
for d in bristol_collections(item):
if d < start_date and service not in by_date[d]:
by_date[d].append(service)
return by_date
async def get_bristol_gov_uk(
start_date: date, data_dir: str, uprn: str, refresh: bool = False
) -> list[Event]:
"""Get waste collection schedule from Bristol City Council."""
data = await get_bristol_data(data_dir, uprn, refresh)
by_date = bristol_by_date(data, start_date)
return [
Event(name="waste_schedule", date=d, title="Bristol: " + ", ".join(services))
for d, services in by_date.items()
]

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@ -15,6 +15,7 @@ import pytz
from . import (
accommodation,
birthday,
bristol_waste,
busy,
carnival,
conference,
@ -26,13 +27,13 @@ from . import (
hn,
holidays,
meetup,
n_somerset_waste,
stock_market,
subscription,
sun,
thespacedevs,
travel,
uk_holiday,
waste_schedule,
)
from .types import Event, StrDict
@ -62,9 +63,9 @@ async def waste_collection_events(
data_dir: str, postcode: str, uprn: str
) -> list[Event]:
"""Waste colllection events."""
html = await waste_schedule.get_html(data_dir, postcode, uprn)
html = await n_somerset_waste.get_html(data_dir, postcode, uprn)
root = lxml.html.fromstring(html)
events = waste_schedule.parse(root)
events = n_somerset_waste.parse(root)
return events
@ -72,7 +73,7 @@ async def bristol_waste_collection_events(
data_dir: str, start_date: date, uprn: str
) -> list[Event]:
"""Waste colllection events."""
return await waste_schedule.get_bristol_gov_uk(start_date, data_dir, uprn)
return await bristol_waste.get(start_date, data_dir, uprn)
def find_events_during_stay(

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@ -0,0 +1,91 @@
"""Waste collection schedules."""
import os
import re
from collections import defaultdict
from datetime import date, datetime, time, timedelta
import httpx
import lxml.html
from . import uk_time
from .types import Event
from .utils import make_waste_dir
ttl_hours = 12
async def get_html(data_dir: str, postcode: str, uprn: str) -> str:
"""Get waste schedule."""
now = datetime.now()
waste_dir = os.path.join(data_dir, "waste")
make_waste_dir(data_dir)
existing_data = os.listdir(waste_dir)
existing = [f for f in existing_data if f.endswith(".html")]
if existing:
recent_filename = max(existing)
recent = datetime.strptime(recent_filename, "%Y-%m-%d_%H:%M.html")
delta = now - recent
if existing and delta < timedelta(hours=ttl_hours):
return open(os.path.join(waste_dir, recent_filename)).read()
now_str = now.strftime("%Y-%m-%d_%H:%M")
filename = f"{waste_dir}/{now_str}.html"
forms_base_url = "https://forms.n-somerset.gov.uk"
url = "https://forms.n-somerset.gov.uk/Waste/CollectionSchedule"
async with httpx.AsyncClient() as client:
r = await client.post(
url,
data={
"PreviousHouse": "",
"PreviousPostcode": "-",
"Postcode": postcode,
"SelectedUprn": uprn,
},
)
form_post_html = r.text
pattern = r'<h2>Object moved to <a href="([^"]*)">here<\/a>\.<\/h2>'
m = re.search(pattern, form_post_html)
if m:
r = await client.get(forms_base_url + m.group(1))
html = r.text
open(filename, "w").write(html)
return html
def parse_waste_schedule_date(day_and_month: str) -> date:
"""Parse waste schedule date."""
today = date.today()
fmt = "%A %d %B %Y"
d = datetime.strptime(f"{day_and_month} {today.year}", fmt).date()
if d < today:
d = datetime.strptime(f"{day_and_month} {today.year + 1}", fmt).date()
return d
def parse(root: lxml.html.HtmlElement) -> list[Event]:
"""Parse waste schedule."""
tbody = root.find(".//table/tbody")
assert tbody is not None
by_date = defaultdict(list)
for e_service, e_next_date, e_following in tbody:
assert e_service.text and e_next_date.text and e_following.text
service = e_service.text
next_date = parse_waste_schedule_date(e_next_date.text)
following_date = parse_waste_schedule_date(e_following.text)
by_date[next_date].append(service)
by_date[following_date].append(service)
return [
Event(
name="waste_schedule",
date=uk_time(d, time(6, 30)),
title="Backwell: " + ", ".join(services),
)
for d, services in by_date.items()
]

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@ -32,7 +32,7 @@ def next_launch_api_data(rocket_dir: str, limit: int = 200) -> StrDict | None:
return data
def next_launch_api(rocket_dir: str, limit: int = 200) -> list[Launch] | None:
def next_launch_api(rocket_dir: str, limit: int = 200) -> list[Summary] | None:
"""Get the next upcoming launches from the API."""
data = next_launch_api_data(rocket_dir, limit)
if not data:
@ -158,7 +158,7 @@ def read_cached_launches(rocket_dir: str) -> list[Summary]:
def get_launches(
rocket_dir: str, limit: int = 200, refresh: bool = False
) -> list[Summary]:
) -> list[Summary] | None:
"""Get rocket launches with caching."""
now = datetime.now()
existing = [

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@ -77,3 +77,10 @@ def get_most_recent_file(directory: str, ext: str) -> str | None:
return None
existing.sort(reverse=True)
return os.path.join(directory, existing[0][1])
def make_waste_dir(data_dir: str) -> None:
"""Make waste dir if missing."""
waste_dir = os.path.join(data_dir, "waste")
if not os.path.exists(waste_dir):
os.mkdir(waste_dir)

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@ -8,7 +8,7 @@
<table class="w-auto table">
{% for event in items %}
<tr>
<td class="text-end">{{event.as_date.strftime("%a, %d, %b")}}</td>
<td class="text-end">{{event.as_date.strftime("%a, %d, %b %Y")}}</td>
<td>{{ event.title }}</td>
</tr>
{% endfor %}

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@ -13,6 +13,7 @@ import deepdiff # type: ignore
import flask
import requests
import agenda.bristol_waste
import agenda.fx
import agenda.geomob
import agenda.gwr
@ -20,7 +21,6 @@ import agenda.mail
import agenda.thespacedevs
import agenda.types
import agenda.uk_holiday
import agenda.waste_schedule
from agenda.types import StrDict
from web_view import app
@ -39,7 +39,7 @@ async def update_bank_holidays(config: flask.config.Config) -> None:
async def update_bristol_bins(config: flask.config.Config) -> None:
"""Update waste schedule from Bristol City Council."""
t0 = time()
events = await agenda.waste_schedule.get_bristol_gov_uk(
events = await agenda.bristol_waste.get(
date.today(), config["DATA_DIR"], config["BRISTOL_UPRN"], refresh=True
)
time_taken = time() - t0