Fix zoopla
This commit is contained in:
parent
13980a2887
commit
4f61c702b1
2 changed files with 186 additions and 42 deletions
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@ -5,6 +5,10 @@ COPY --from=ghcr.io/astral-sh/uv:latest /uv /usr/local/bin/uv
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WORKDIR /app
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WORKDIR /app
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COPY finder/pyproject.toml ./
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COPY finder/pyproject.toml ./
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RUN uv pip install --system -r pyproject.toml
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RUN uv pip install --system -r pyproject.toml
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RUN playwright install-deps chromium firefox
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RUN playwright install chromium
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RUN camoufox fetch \
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&& python -c "from camoufox.pkgman import camoufox_path; p = camoufox_path(download_if_missing=False); print('Camoufox verified at', p)"
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COPY finder/*.py ./
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COPY finder/*.py ./
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COPY property-data/arcgis_data.parquet /data/arcgis_data.parquet
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COPY property-data/arcgis_data.parquet /data/arcgis_data.parquet
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224
finder/zoopla.py
224
finder/zoopla.py
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@ -41,17 +41,23 @@ class TurnstileError(Exception):
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MAX_PAGES_PER_OUTCODE = 10
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MAX_PAGES_PER_OUTCODE = 10
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# JavaScript to extract listings from the rendered DOM.
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# JavaScript to extract listings from the rendered DOM.
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# Finds all detail links, walks up to the card container, and parses
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# Uses data-testid attributes as primary selectors (stable across deployments),
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# price, beds, baths, floor area, address, and tenure from the card text.
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# then falls back to href-based link matching with parent-walking.
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_EXTRACT_LISTINGS_JS = r"""() => {
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_EXTRACT_LISTINGS_JS = r"""() => {
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const links = Array.from(document.querySelectorAll(
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'a[href*="/for-sale/details/"], a[href*="/new-homes/details/"], a[href*="/to-rent/details/"]'
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));
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const seen = new Set();
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const seen = new Set();
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const results = [];
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const results = [];
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for (const link of links) {
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// Strategy 1: Use data-testid selectors (post-2025 redesign)
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const listingCards = document.querySelectorAll(
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'[data-testid="regular-listings"] > div, [data-testid="search-content"] li'
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);
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for (const card of listingCards) {
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const link = card.querySelector(
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'a[href*="/for-sale/details/"], a[href*="/new-homes/details/"], a[href*="/to-rent/details/"]'
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);
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if (!link) continue;
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const href = link.href;
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const href = link.href;
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const match = href.match(/\/details\/(\d+)\//);
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const match = href.match(/\/details\/(\d+)\//);
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if (!match) continue;
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if (!match) continue;
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@ -60,53 +66,108 @@ _EXTRACT_LISTINGS_JS = r"""() => {
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if (seen.has(id)) continue;
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if (seen.has(id)) continue;
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seen.add(id);
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seen.add(id);
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// Walk up to the listing card container
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const text = card.innerText || '';
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let card = link;
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for (let j = 0; j < 10; j++) {
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// Try data-testid price element first, then regex
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card = card.parentElement;
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const priceEl = card.querySelector('[data-testid="listing-price"]');
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if (!card) break;
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const priceText = priceEl ? priceEl.innerText : text;
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const text = card.innerText || '';
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const priceMatch = priceText.match(/\u00a3([\d,]+)/);
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if (text.includes('\u00a3') && (text.includes('bed') || text.includes('sq ft'))) {
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break;
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// Try address element first, then regex
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const addressEl = card.querySelector('address');
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let address = addressEl ? addressEl.innerText.trim() : '';
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if (!address) {
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const lines = text.split('\n').map(l => l.trim()).filter(Boolean);
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for (const line of lines) {
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if (/[A-Z]{1,2}\d[A-Z\d]?\s*\d[A-Z]{2}/i.test(line) ||
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(line.includes(',') && !line.includes('\u00a3') && !/^\d+ beds?/i.test(line))) {
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address = line;
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break;
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}
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}
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}
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}
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}
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if (!card) continue;
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const text = card.innerText || '';
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const lines = text.split('\n').map(l => l.trim()).filter(Boolean);
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const priceMatch = text.match(/\u00a3([\d,]+)/);
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const bedsMatch = text.match(/(\d+)\s*beds?/i);
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const bedsMatch = text.match(/(\d+)\s*beds?/i);
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const bathsMatch = text.match(/(\d+)\s*baths?/i);
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const bathsMatch = text.match(/(\d+)\s*baths?/i);
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const recMatch = text.match(/(\d+)\s*reception/i);
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const recMatch = text.match(/(\d+)\s*reception/i);
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const areaMatch = text.match(/([\d,]+)\s*sq\s*ft/i);
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const areaMatch = text.match(/([\d,]+)\s*sq\.?\s*ft/i);
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let address = '';
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for (const line of lines) {
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if (/[A-Z]{1,2}\d[A-Z\d]?\s*\d[A-Z]{2}/i.test(line) ||
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(line.includes(',') && !line.includes('\u00a3') && !/^\d+ beds?/i.test(line))) {
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address = line;
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break;
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}
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}
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let tenure = '';
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let tenure = '';
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if (/freehold/i.test(text)) tenure = 'Freehold';
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if (/freehold/i.test(text)) tenure = 'Freehold';
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else if (/leasehold/i.test(text)) tenure = 'Leasehold';
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else if (/leasehold/i.test(text)) tenure = 'Leasehold';
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results.push({
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results.push({
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id: id,
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id, url: href.replace(window.location.origin, ''),
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url: href.replace(window.location.origin, ''),
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price: priceMatch ? parseInt(priceMatch[1].replace(/,/g, '')) : null,
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price: priceMatch ? parseInt(priceMatch[1].replace(/,/g, '')) : null,
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beds: bedsMatch ? parseInt(bedsMatch[1]) : null,
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beds: bedsMatch ? parseInt(bedsMatch[1]) : null,
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baths: bathsMatch ? parseInt(bathsMatch[1]) : null,
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baths: bathsMatch ? parseInt(bathsMatch[1]) : null,
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receptions: recMatch ? parseInt(recMatch[1]) : null,
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receptions: recMatch ? parseInt(recMatch[1]) : null,
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floor_area_sqft: areaMatch ? parseInt(areaMatch[1].replace(/,/g, '')) : null,
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floor_area_sqft: areaMatch ? parseInt(areaMatch[1].replace(/,/g, '')) : null,
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address: address,
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address, tenure,
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tenure: tenure,
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});
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});
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}
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}
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// Strategy 2: Fall back to href-based link matching with parent-walking
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if (results.length === 0) {
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const links = Array.from(document.querySelectorAll(
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'a[href*="/for-sale/details/"], a[href*="/new-homes/details/"], a[href*="/to-rent/details/"]'
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));
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for (const link of links) {
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const href = link.href;
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const match = href.match(/\/details\/(\d+)\//);
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if (!match) continue;
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const id = match[1];
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if (seen.has(id)) continue;
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seen.add(id);
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let card = link;
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for (let j = 0; j < 15; j++) {
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card = card.parentElement;
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if (!card) break;
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const t = card.innerText || '';
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if (t.includes('\u00a3') && (t.includes('bed') || t.includes('Bath') || t.includes('sq ft'))) {
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break;
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}
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}
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if (!card) continue;
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const text = card.innerText || '';
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const lines = text.split('\n').map(l => l.trim()).filter(Boolean);
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const priceMatch = text.match(/\u00a3([\d,]+)/);
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const bedsMatch = text.match(/(\d+)\s*beds?/i);
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const bathsMatch = text.match(/(\d+)\s*baths?/i);
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const recMatch = text.match(/(\d+)\s*reception/i);
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const areaMatch = text.match(/([\d,]+)\s*sq\.?\s*ft/i);
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let address = '';
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for (const line of lines) {
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if (/[A-Z]{1,2}\d[A-Z\d]?\s*\d[A-Z]{2}/i.test(line) ||
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(line.includes(',') && !line.includes('\u00a3') && !/^\d+ beds?/i.test(line))) {
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address = line;
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break;
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}
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}
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let tenure = '';
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if (/freehold/i.test(text)) tenure = 'Freehold';
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else if (/leasehold/i.test(text)) tenure = 'Leasehold';
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results.push({
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id, url: href.replace(window.location.origin, ''),
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price: priceMatch ? parseInt(priceMatch[1].replace(/,/g, '')) : null,
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beds: bedsMatch ? parseInt(bedsMatch[1]) : null,
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baths: bathsMatch ? parseInt(bathsMatch[1]) : null,
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receptions: recMatch ? parseInt(recMatch[1]) : null,
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floor_area_sqft: areaMatch ? parseInt(areaMatch[1].replace(/,/g, '')) : null,
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address, tenure,
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});
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}
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}
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return results;
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return results;
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}"""
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}"""
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@ -255,18 +316,44 @@ def _navigate_search(page, outcode: str, channel: str) -> bool:
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else:
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else:
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search_input.press("Enter")
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search_input.press("Enter")
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# Wait for results to load
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# Wait for results to load — try waiting for listings container, fall back to fixed wait
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time.sleep(6)
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try:
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page.wait_for_selector(
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'[data-testid="regular-listings"], a[href*="/details/"]',
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timeout=10000,
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)
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except Exception:
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time.sleep(4)
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_ensure_not_challenged(page)
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_ensure_not_challenged(page)
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return True
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return True
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def _get_result_count(page) -> int:
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def _get_result_count(page) -> int:
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"""Extract the total results count from the page body text."""
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"""Extract the total results count from the page.
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Tries __ZAD_TARGETING__ JSON first (most reliable), then body text regex
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matching both "N results" and "N properties" patterns."""
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try:
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# Try the ZAD targeting JSON script tag first
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count = page.evaluate("""() => {
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const s = document.querySelector('#__ZAD_TARGETING__');
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if (s) {
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try {
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const d = JSON.parse(s.textContent);
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if (d.search_results_count != null) return d.search_results_count;
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} catch(e) {}
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}
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return null;
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}""")
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if count is not None and count > 0:
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return count
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except Exception:
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pass
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try:
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try:
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body = page.inner_text("body")
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body = page.inner_text("body")
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match = re.search(r"([\d,]+)\s+results?", body)
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match = re.search(r"([\d,]+)\s+(?:results?|properties)", body)
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if match:
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if match:
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return int(match.group(1).replace(",", ""))
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return int(match.group(1).replace(",", ""))
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except Exception:
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except Exception:
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@ -279,10 +366,42 @@ def _get_result_count(page) -> int:
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# ---------------------------------------------------------------------------
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# ---------------------------------------------------------------------------
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_first_extraction_logged = False
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def _extract_listings(page) -> list[dict]:
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def _extract_listings(page) -> list[dict]:
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"""Extract listing data from the current search results page DOM."""
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"""Extract listing data from the current search results page DOM."""
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global _first_extraction_logged
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try:
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try:
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return page.evaluate(_EXTRACT_LISTINGS_JS)
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listings = page.evaluate(_EXTRACT_LISTINGS_JS)
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# Log diagnostic info on the very first extraction attempt
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if not _first_extraction_logged:
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_first_extraction_logged = True
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try:
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diag = page.evaluate("""() => {
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const details = document.querySelectorAll('a[href*="/details/"]');
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const testids = document.querySelectorAll('[data-testid]');
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const testidNames = [...new Set([...testids].map(e => e.dataset.testid))];
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return {
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url: location.href,
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title: document.title,
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detailLinks: details.length,
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testids: testidNames.slice(0, 30),
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bodySnippet: document.body?.innerText?.slice(0, 500) || '',
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};
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}""")
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log.info(
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"Zoopla first-page diagnostic: url=%s title=%s detailLinks=%d "
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"testids=%s bodySnippet=%.200s",
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diag.get("url"), diag.get("title"), diag.get("detailLinks", 0),
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diag.get("testids", []), diag.get("bodySnippet", ""),
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)
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except Exception:
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pass
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log.info("Zoopla first extraction: %d listings found", len(listings))
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return listings
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except Exception as e:
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except Exception as e:
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log.warning("Failed to extract listings from DOM: %s", e)
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log.warning("Failed to extract listings from DOM: %s", e)
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zoopla_errors_total.labels(type="extract_failed").inc()
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zoopla_errors_total.labels(type="extract_failed").inc()
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@ -502,19 +621,40 @@ def search_outcode(
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return []
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return []
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total_results = _get_result_count(page)
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total_results = _get_result_count(page)
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if total_results == 0:
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return []
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raw_listings = _paginate(page, total_results, channel)
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# Always try extraction even if result count is 0 — the count regex may
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# not match Zoopla's current text format, but listings may still be in DOM
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raw_listings = _paginate(page, max(total_results, 25), channel)
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if not raw_listings:
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if not raw_listings:
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if total_results > 0:
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log.debug(
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"Zoopla %s %s: page claims %d results but extraction found 0 — "
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"DOM selectors may need updating",
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outcode, channel, total_results,
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)
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return []
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return []
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channel_label = "buy" if channel == "BUY" else "rent"
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channel_label = "buy" if channel == "BUY" else "rent"
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properties = []
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properties = []
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dropped = 0
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for raw in raw_listings:
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for raw in raw_listings:
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transformed = transform_property(raw, channel, pc_index, pc_coords)
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transformed = transform_property(raw, channel, pc_index, pc_coords)
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if transformed:
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if transformed:
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properties.append(transformed)
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properties.append(transformed)
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zoopla_properties_scraped.labels(channel=channel_label).inc()
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zoopla_properties_scraped.labels(channel=channel_label).inc()
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else:
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dropped += 1
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if dropped and not properties:
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log.debug(
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"Zoopla %s %s: extracted %d raw listings but all %d dropped in transform "
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"(no price/postcode/coords)",
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outcode, channel, len(raw_listings), dropped,
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)
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elif dropped > len(raw_listings) // 2:
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log.debug(
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"Zoopla %s %s: %d/%d listings dropped in transform",
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outcode, channel, dropped, len(raw_listings),
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)
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return properties
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return properties
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