ajout(main.py): meilleur systeme de cache

This commit is contained in:
2026-02-08 19:03:49 +01:00
parent 0d78b1aec3
commit 5c22777c2d
2 changed files with 68 additions and 21 deletions

55
main.py
View File

@@ -2,8 +2,10 @@ from sys import stderr
from typing import cast
from requests import Response, Session
from bs4 import BeautifulSoup, Tag
from collections import OrderedDict
from json import JSONDecodeError, loads
class ScraperData:
def __init__(self, data: dict[str, object]) -> None:
if not data:
@@ -33,7 +35,12 @@ class ScraperData:
dict[str, object], current_value.get(name)
)
if app_dict:
return cast(str, app_dict.get("valueId")).rstrip("+")
val: list[str] = (
cast(str, app_dict.get("valueId")).rstrip("+").split("-")
)
if len(val) > 1:
val[0] = str((int(val[0]) + int(val[1])) / 2)
return val[0]
return None
def parker(self) -> str | None:
@@ -48,6 +55,7 @@ class ScraperData:
def getdata(self) -> dict[str, object]:
return self._data
class Scraper:
"""
Scraper est une classe qui permet de gerer
@@ -64,8 +72,10 @@ class Scraper:
# TCP et d'avoir toujours une connexion constante avec le server
self._session: Session = Session()
# Système de cache pour éviter de solliciter le serveur inutilement
self._latest_request: tuple[(str, Response | None)] = ("", None)
self._latest_soup: tuple[(str, BeautifulSoup | None)] = ("", None)
self._latest_request: tuple[(str, Response)] | None = None
self._latest_soups: OrderedDict[str, BeautifulSoup] = OrderedDict[
str, BeautifulSoup
]()
def _request(self, subdir: str) -> Response:
"""
@@ -85,12 +95,14 @@ class Scraper:
response.raise_for_status()
return response
def getresponse(self, subdir: str = "") -> Response:
def getresponse(self, subdir: str = "", use_cache: bool = True) -> Response:
"""
Récupère la réponse d'une page, en utilisant le cache si possible.
Args:
subdir (str, optional): Le chemin de la page.
use_cache (bool, optional): Utilise la donnée deja sauvegarder ou
écrase la donnée utilisé avec la nouvelle
Returns:
Response: L'objet réponse (cache ou nouvelle requête).
@@ -98,16 +110,24 @@ class Scraper:
Raise:
HTTPError: Si le serveur renvoie un code d'erreur (4xx, 5xx).
"""
# si dans le cache, latest_request existe
if use_cache and self._latest_request is not None:
rq_subdir, rq_response = self._latest_request
if rq_response is not None and subdir == rq_subdir:
# si c'est la meme requete et que use_cache est true,
# on renvoie celle enregistrer
if subdir == rq_subdir:
return rq_response
request: Response = self._request(subdir)
# on recrée la structure pour le systeme de cache si activer
if use_cache:
self._latest_request = (subdir, request)
return request
def getsoup(self, subdir: str = "") -> BeautifulSoup:
def getsoup(self, subdir: str = "", use_cache: bool = True) -> BeautifulSoup:
"""
Récupère le contenu HTML d'une page et le transforme en objet BeautifulSoup.
@@ -120,16 +140,19 @@ class Scraper:
Raise:
HTTPError: Si le serveur renvoie un code d'erreur (4xx, 5xx).
"""
rq_subdir, rq_soup = self._latest_soup
if rq_soup is not None and subdir == rq_subdir:
return rq_soup
if use_cache and subdir in self._latest_soups:
return self._latest_soups[subdir]
soup: BeautifulSoup = BeautifulSoup(
markup=self.getresponse(subdir).text, features="html.parser"
)
markup: str = self.getresponse(subdir).text
soup: BeautifulSoup = BeautifulSoup(markup, features="html.parser")
if use_cache:
self._latest_soups[subdir] = soup
if len(self._latest_soups) > 10:
_ = self._latest_soups.popitem(last=False)
self._latest_soup = (subdir, soup)
return soup
def getjsondata(self, subdir: str = "", id: str = "__NEXT_DATA__") -> ScraperData:
@@ -182,7 +205,5 @@ class Scraper:
print(f"Erreur lors de l'extraction JSON : {e}", file=stderr)
return ScraperData({})
# file = Scraper().getjsondata("/chateau-gloria-2016.html")
# print("parker: ", file.parker())
# print("robinson: ", file.robinson())
# print("suckling: ", file.suckling())
# print(Scraper().getjsondata("bordeaux.html?page=1").getdata())

View File

@@ -41,7 +41,7 @@ def mock_site():
"name": "En promotion",
"value": "Non",
"sequence": 80,
"displayable": "false",
"displayable": "False",
"type": "CHECKBOX",
"isSpirit": False,
},
@@ -73,6 +73,24 @@ def mock_site():
"isSpirit": False,
"groupIdentifier": "appellation_433",
},
"note_rp": {
"valueId": "91",
"name": "Parker",
"value": "91",
"isSpirit": False,
},
"note_jr": {
"valueId": "17",
"name": "J. Robinson",
"value": "17",
"isSpirit": False,
},
"note_js": {
"valueId": "93-94",
"name": "J. Suckling",
"value": "93-94",
"isSpirit": False
},
},
}
}
@@ -123,3 +141,11 @@ def test_appellation(scraper: Scraper):
"nino-negri-5-stelle-sfursat-2022.html"
)
assert appellation.appellation() == "Sforzato di Valtellina"
def test_critiques(scraper: Scraper):
critiques: ScraperData = scraper.getjsondata(
"nino-negri-5-stelle-sfursat-2022.html"
)
assert critiques.parker() == "91"
assert critiques.robinson() == "17"
assert critiques.suckling() == "93.5"