dab-mechanic/web_view.py
2022-08-13 13:16:49 +01:00

157 lines
4.1 KiB
Python
Executable file

#!/usr/bin/python3
from collections import defaultdict
import flask
import lxml.html
import requests
from werkzeug.wrappers import Response
app = flask.Flask(__name__)
app.debug = True
@app.route("/")
def index():
articles = [line[:-1] for line in open("article_list")]
return flask.render_template("index.html", articles=articles)
def get_article_html(enwiki: str) -> str:
url = "https://en.wikipedia.org/w/api.php"
params = {
"action": "parse",
"format": "json",
"formatversion": 2,
"disableeditsection": 1,
"page": enwiki,
}
r = requests.get(url, params=params)
html: str = r.json()["parse"]["text"]
return html
disambig_templates = [
"Template:Disambiguation",
"Template:Airport disambiguation",
"Template:Biology disambiguation",
"Template:Call sign disambiguation",
"Template:Caselaw disambiguation",
"Template:Chinese title disambiguation",
"Template:Disambiguation cleanup",
"Template:Genus disambiguation",
"Template:Hospital disambiguation",
"Template:Human name disambiguation",
"Template:Human name disambiguation cleanup",
"Template:Letter-number combination disambiguation",
"Template:Mathematical disambiguation",
"Template:Military unit disambiguation",
"Template:Music disambiguation",
"Template:Number disambiguation",
"Template:Opus number disambiguation",
"Template:Phonetics disambiguation",
"Template:Place name disambiguation",
"Template:Portal disambiguation",
"Template:Road disambiguation",
"Template:School disambiguation",
"Template:Species Latin name abbreviation disambiguation",
"Template:Species Latin name disambiguation",
"Template:Station disambiguation",
"Template:Synagogue disambiguation",
"Template:Taxonomic authority disambiguation",
"Template:Taxonomy disambiguation",
"Template:Template disambiguation",
"Template:WoO number disambiguation",
]
def get_article_links(enwiki: str) -> list[str]:
"""Get links that appear in this article."""
url = "https://en.wikipedia.org/w/api.php"
params = {
"action": "query",
"format": "json",
"formatversion": 2,
"titles": enwiki,
"generator": "links",
"gpllimit": "max",
"gplnamespace": 0,
"tllimit": "max",
"tlnamespace": 10,
"tltemplates": "|".join(disambig_templates),
"prop": "templates",
}
links = []
while True:
r = requests.get(url, params=params)
json_data = r.json()
query = json_data.pop("query")
pages = query["pages"]
for page in pages:
title = page["title"]
if title.endswith(" (disambiguation)") or not page.get("templates"):
continue
if title not in links:
links.append(title)
if "continue" not in json_data:
break
print(json_data["continue"])
params["gplcontinue"] = json_data["continue"]["gplcontinue"]
return links
# return {link["title"] for link in r.json()["query"]["pages"][0]["links"]}
@app.route("/enwiki/<path:enwiki>")
def article(enwiki: str) -> Response:
"""Article Page."""
html = get_article_html(enwiki)
links = get_article_links(enwiki)
root = lxml.html.fromstring(html)
html_links = defaultdict(list)
seen = set()
dab_list = []
dab_num = 0
for a in root.findall(".//a[@href]"):
title = a.get("title")
if title is None:
continue
if title not in links:
continue
a.set("class", "disambig")
if title not in seen:
dab_num += 1
a.set("id", f"dab-{dab_num}")
seen.add(title)
dab_html = get_article_html(title)
dab_list.append({"num": dab_num, "title": title, "html": dab_html})
html_links[title].append(a)
return flask.render_template(
"article.html",
title=enwiki,
text=lxml.html.tostring(root, encoding=str),
links=links,
html_links=html_links,
dab_list=dab_list,
)
if __name__ == "__main__":
app.run(host="0.0.0.0")