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733021ae5bceefa4f8fbbde5933273660327847a
awesome-python/website/tests/test_build.py
T
Vinta ChenandClaude 733021ae5b feat: add Bundled badge for entries shipped inside a larger project 
django.db.models, geodjango, httpx.URL and uv audit were rendering
"Not on PyPI" alongside eighteen genuinely standalone projects that
simply are not packaged on PyPI, conflating two different reasons for
a missing download count.

These four entries now carry a "(part of X)" description prefix in
README.md, mirroring the existing "(Python standard library)"
convention. build.py reads that prefix into a bundled flag that both
templates render as a "Bundled" badge.

The prefix approach was chosen over a separate data file so README.md
stays the single source of content truth, and over inferring from the
entry name because geodjango is neither dotted nor spaced and would
have been missed. Redundant tail wording was trimmed from the
httpx.URL, geodjango and uv audit descriptions now that the prefix
names the parent.

The new entry format is documented in CONTRIBUTING.md and the
vocabulary in CONTEXT.md.

Co-Authored-By: Claude <noreply@anthropic.com>
2026-08-23 01:09:20 +08:00

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"""Tests for the build module."""
import json
import os
import shutil
import textwrap
import xml.etree.ElementTree as ET
from datetime import UTC, date, datetime
from html.parser import HTMLParser
from pathlib import Path
import pytest
from build import (
TemplateEntry,
annotate_entries_with_stats,
build,
detect_source_type,
extract_entries,
extract_github_repo,
load_downloads,
load_stars,
sort_entries,
subcategory_path,
)
from readme_parser import parse_readme, slugify
class HeadMetadataParser(HTMLParser):
def __init__(self):
super().__init__()
self.title_count = 0
self.title = ""
self.meta_by_name = {}
self.meta_by_property = {}
self.links_by_rel = {}
self._in_title = False
def handle_starttag(self, tag, attrs):
attrs = dict(attrs)
if tag == "title":
self.title_count += 1
self._in_title = True
elif tag == "meta":
if "name" in attrs:
self.meta_by_name[attrs["name"]] = attrs.get("content", "")
if "property" in attrs:
self.meta_by_property[attrs["property"]] = attrs.get("content", "")
elif tag == "link" and attrs.get("rel"):
for rel in attrs["rel"].split():
self.links_by_rel[rel] = attrs.get("href", "")
def handle_endtag(self, tag):
if tag == "title":
self._in_title = False
def handle_data(self, data):
if self._in_title:
self.title += data
# ---------------------------------------------------------------------------
# slugify
# ---------------------------------------------------------------------------
class TestSlugify:
def test_simple(self):
assert slugify("Admin Panels") == "admin-panels"
def test_uppercase_acronym(self):
assert slugify("RESTful API") == "restful-api"
def test_hyphenated_input(self):
assert slugify("Command-line Tools") == "command-line-tools"
def test_extra_spaces(self):
assert slugify(" Date and Time ") == "date-and-time"
class TestSubcategoryPath:
def test_builds_path(self):
assert subcategory_path("web-frameworks", "synchronous") == "/categories/web-frameworks/synchronous/"
# ---------------------------------------------------------------------------
# build (integration)
# ---------------------------------------------------------------------------
class TestBuild:
@pytest.fixture(autouse=True)
def _make_sponsorship_md(self, tmp_path):
(tmp_path / "SPONSORSHIP.md").write_text("# Sponsorship\n", encoding="utf-8")
def _make_repo(self, tmp_path, readme):
(tmp_path / "README.md").write_text(readme, encoding="utf-8")
tpl_dir = tmp_path / "website" / "templates"
tpl_dir.mkdir(parents=True)
(tpl_dir / "base.html").write_text(
"<!DOCTYPE html><html lang='en'><head><title>{% block title %}{% endblock %}</title>"
"<meta name='description' content='{% block description %}{% endblock %}'>"
"</head><body>{% block content %}{% endblock %}</body></html>",
encoding="utf-8",
)
(tpl_dir / "index.html").write_text(
'{% extends "base.html" %}{% block content %}'
"{% for entry in entries %}"
'<div class="row">'
"<span>{{ entry.name }}</span>"
"<span>{{ entry.categories | join(', ') }}</span>"
"<span>{{ entry.groups | join(', ') }}</span>"
"</div>"
"{% endfor %}"
"{% endblock %}",
encoding="utf-8",
)
(tpl_dir / "category.html").write_text(
'{% extends "base.html" %}{% block content %}<h1>{{ category.name }}</h1>{% for entry in entries %}<a href="{{ entry.url }}">{{ entry.name }}</a>{% endfor %}{% endblock %}',
encoding="utf-8",
)
(tpl_dir / "sponsorship.html").write_text(
'{% extends "base.html" %}{% block content %}<h1>Sponsor</h1>{% endblock %}',
encoding="utf-8",
)
(tpl_dir / "llms.txt").write_text(
"# Awesome Python\n\nHomepage: {{ site_url }}\n\n## Categories\n\n{{ categories_md }}\n",
encoding="utf-8",
)
def _copy_real_templates(self, tmp_path):
real_tpl = Path(__file__).parent / ".." / "templates"
tpl_dir = tmp_path / "website" / "templates"
shutil.copytree(real_tpl, tpl_dir)
def test_build_creates_homepage_and_category_pages(self, tmp_path):
readme = textwrap.dedent("""\
# Awesome Python
Intro.
## Projects
**Tools**
### Widgets
_Widget libraries. Also see [awesome-widgets](https://example.com/widgets)._
- [w1](https://example.com) - A widget.
### Gadgets
_Gadget tools._
- [g1](https://example.com) - A gadget.
## Resources
Info.
### Newsletters
- [NL](https://example.com)
## Contributing
Help!
""")
self._make_repo(tmp_path, readme)
build(tmp_path)
site = tmp_path / "website" / "output"
assert (site / "index.html").exists()
assert (site / "categories" / "widgets" / "index.html").exists()
assert (site / "categories" / "gadgets" / "index.html").exists()
def test_build_creates_root_discovery_files(self, tmp_path):
readme = textwrap.dedent("""\
# Awesome Python
Intro.
## Projects
**Tools**
### Widgets
- Sync
- [w1](https://example.com) - A widget.
## Contributing
Help!
""")
self._make_repo(tmp_path, readme)
sponsorship_mtime = datetime(2024, 1, 2, tzinfo=UTC).timestamp()
os.utime(tmp_path / "SPONSORSHIP.md", (sponsorship_mtime, sponsorship_mtime))
expected_sponsorship_lastmod = "2024-01-02"
start_date = datetime.now(UTC).date()
build(tmp_path)
end_date = datetime.now(UTC).date()
site = tmp_path / "website" / "output"
robots = (site / "robots.txt").read_text(encoding="utf-8")
assert robots == ("User-agent: *\nContent-Signal: search=yes, ai-input=yes, ai-train=yes\nAllow: /\n\nSitemap: https://awesome-python.com/sitemap.xml\n")
sitemap = ET.parse(site / "sitemap.xml")
root = sitemap.getroot()
ns = {"sitemap": "http://www.sitemaps.org/schemas/sitemap/0.9"}
locs = [loc.text or "" for loc in root.findall("sitemap:url/sitemap:loc", ns)]
lastmods = [lastmod.text or "" for lastmod in root.findall("sitemap:url/sitemap:lastmod", ns)]
lastmod_by_loc = dict(zip(locs, lastmods, strict=True))
assert root.tag == "{http://www.sitemaps.org/schemas/sitemap/0.9}urlset"
assert locs == [
"https://awesome-python.com/",
"https://awesome-python.com/categories/widgets/",
"https://awesome-python.com/categories/tools/",
"https://awesome-python.com/categories/widgets/sync/",
"https://awesome-python.com/sponsorship/",
]
assert len(lastmods) == len(locs)
assert lastmod_by_loc["https://awesome-python.com/sponsorship/"] == expected_sponsorship_lastmod
assert all(start_date <= date.fromisoformat(lastmod) <= end_date for loc, lastmod in lastmod_by_loc.items() if loc != "https://awesome-python.com/sponsorship/")
assert all(loc.startswith("https://awesome-python.com/") for loc in locs)
assert all("?" not in loc for loc in locs)
def test_build_creates_category_pages_with_metadata_and_links(self, tmp_path):
readme = textwrap.dedent("""\
# Awesome Python
Intro.
## Projects
**Tools**
## Widgets
_Widget libraries. Also see [awesome-widgets](https://example.com/widgets)._
- [w1](https://example.com/w1) - A widget.
- [w2](https://github.com/owner/w2) - A starred widget.
## Gadgets
_Gadget tools._
- [g1](https://example.com/g1) - A gadget.
# Contributing
Help!
""")
(tmp_path / "README.md").write_text(readme, encoding="utf-8")
self._copy_real_templates(tmp_path)
data_dir = tmp_path / "website" / "data"
data_dir.mkdir(parents=True)
stars = {
"owner/w2": {
"stars": 42,
"owner": "owner",
"last_commit_at": "2026-01-01T00:00:00+00:00",
"fetched_at": "2026-01-01T00:00:00+00:00",
},
}
(data_dir / "github_stars.json").write_text(json.dumps(stars), encoding="utf-8")
build(tmp_path)
site = tmp_path / "website" / "output"
index_html = (site / "index.html").read_text(encoding="utf-8")
category_html = (site / "categories" / "widgets" / "index.html").read_text(encoding="utf-8")
parser = HeadMetadataParser()
parser.feed(category_html)
assert 'href="/categories/widgets/"' in index_html
assert 'data-value="Widgets"' in index_html
assert parser.title.strip() == "Widgets Python Libraries - Awesome Python"
assert parser.meta_by_name["description"] == "Widget libraries. Also see awesome-widgets. Explore 2 curated Python projects in Widgets."
assert parser.links_by_rel["canonical"] == "https://awesome-python.com/categories/widgets/"
assert parser.meta_by_property["og:url"] == "https://awesome-python.com/categories/widgets/"
assert '<link rel="alternate" type="text/plain" href="/llms.txt" title="LLMs text entry point" />' not in category_html
assert '<a href="/sponsorship/" class="hero-topbar-link">Sponsorship</a>' in category_html
assert "<h1>Widgets</h1>" in category_html
assert 'Widget libraries. Also see <a href="https://example.com/widgets" target="_blank" rel="noopener">awesome-widgets</a>.' in category_html
assert 'href="https://example.com/w1"' in category_html
assert "A widget." in category_html
assert 'href="https://github.com/owner/w2"' in category_html
assert '<table class="table">' in category_html
assert "42" in category_html
assert "2026-01-01T00:00:00+00:00" in category_html
def test_build_creates_llms_text_alternate_without_sponsors(self, tmp_path):
readme = textwrap.dedent("""\
# Awesome Python
Intro.
## **Sponsors**
- **[Sponsor](https://sponsor.example.com)**: Sponsored tool.
> Become a sponsor: [Sponsor us](SPONSORSHIP.md).
## Categories
**Tools**
- [Widgets](#widgets)
## Projects
**Tools**
### Widgets
- [w1](https://example.com) - A widget.
- [w2](https://github.com/owner/w2) - A starred widget.
## Contributing
Help!
""")
(tmp_path / "README.md").write_text(readme, encoding="utf-8")
self._copy_real_templates(tmp_path)
data_dir = tmp_path / "website" / "data"
data_dir.mkdir(parents=True)
stars = {
"owner/w2": {"stars": 42, "owner": "owner", "fetched_at": "2026-01-01T00:00:00+00:00"},
}
(data_dir / "github_stars.json").write_text(json.dumps(stars), encoding="utf-8")
(data_dir / "pypi_downloads.tsv").write_text(
"name\tpackage\tdownloads\tfetched_at\nw1\tw1\t777\t2026-08-16\n",
encoding="utf-8",
)
build(tmp_path)
site = tmp_path / "website" / "output"
index_html = (site / "index.html").read_text(encoding="utf-8")
llms_txt = (site / "llms.txt").read_text(encoding="utf-8")
assert '<link rel="alternate" type="text/plain" href="/llms.txt" title="LLMs text entry point" />' in index_html
assert llms_txt.startswith("# Awesome Python\n\nIntro.\n")
assert "2 projects across 1 category, updated on " in llms_txt
assert "Scan the category index" in llms_txt
assert "Homepage: https://awesome-python.com/" in llms_txt
assert "Markdown homepage" not in llms_txt
assert "https://awesome-python.com/index.md" not in llms_txt
assert "GitHub repository: https://github.com/vinta/awesome-python" in llms_txt
assert "Contributing guide: https://github.com/vinta/awesome-python/blob/master/CONTRIBUTING.md" in llms_txt
assert "Sponsorship: https://awesome-python.com/sponsorship/" in llms_txt
assert "Sitemap: https://awesome-python.com/sitemap.xml" in llms_txt
assert "## Categories" in llms_txt
assert "**Tools**" in llms_txt
assert "- [Widgets](https://awesome-python.com/categories/widgets/)" in llms_txt
assert "- [Widgets](#widgets)" not in llms_txt
assert "### Widgets" in llms_txt
assert "- [w1](https://example.com) - A widget. (PyPI downloads/month: 777)" in llms_txt
assert "- [w2](https://github.com/owner/w2) - A starred widget. (GitHub stars: 42)" in llms_txt
assert llms_txt != readme
assert "# Contributing" not in llms_txt
def test_build_cleans_stale_output(self, tmp_path):
readme = textwrap.dedent("""\
# T
## Projects
## Only
- [x](https://x.com) - X.
# Contributing
Done.
""")
self._make_repo(tmp_path, readme)
stale = tmp_path / "website" / "output" / "categories" / "stale"
stale.mkdir(parents=True)
(stale / "index.html").write_text("old", encoding="utf-8")
build(tmp_path)
assert not (tmp_path / "website" / "output" / "categories" / "stale").exists()
def test_build_with_stars_sorts_by_stars(self, tmp_path):
readme = textwrap.dedent("""\
# T
## Projects
## Stuff
- [low-stars](https://github.com/org/low) - Low.
- [high-stars](https://github.com/org/high) - High.
- [no-stars](https://example.com/none) - None.
# Contributing
Done.
""")
(tmp_path / "README.md").write_text(readme, encoding="utf-8")
# Copy real templates
real_tpl = Path(__file__).parent / ".." / "templates"
tpl_dir = tmp_path / "website" / "templates"
shutil.copytree(real_tpl, tpl_dir)
# Create mock star data
data_dir = tmp_path / "website" / "data"
data_dir.mkdir(parents=True)
stars = {
"org/high": {"stars": 5000, "owner": "org", "fetched_at": "2026-01-01T00:00:00+00:00"},
"org/low": {"stars": 100, "owner": "org", "fetched_at": "2026-01-01T00:00:00+00:00"},
}
(data_dir / "github_stars.json").write_text(json.dumps(stars), encoding="utf-8")
build(tmp_path)
html = (tmp_path / "website" / "output" / "index.html").read_text(encoding="utf-8")
# Star-sorted: high-stars (5000) before low-stars (100) before no-stars (None)
assert html.index("high-stars") < html.index("low-stars")
assert html.index("low-stars") < html.index("no-stars")
# Formatted star counts
assert "5,000" in html
assert "100" in html
# Expand content present
assert "expand-content" in html
def test_build_with_downloads_renders_column(self, tmp_path):
readme = textwrap.dedent("""\
# T
## Projects
## Stuff
- [My-Lib](https://github.com/org/mylib) - On PyPI.
- [no-pypi](https://example.com/none) - Not on PyPI.
- [asyncio](https://docs.python.org/3/library/asyncio.html) - Stdlib.
- [my-lib.thing](https://github.com/org/mylib) - (part of My-Lib) A bundled feature.
# Contributing
Done.
""")
(tmp_path / "README.md").write_text(readme, encoding="utf-8")
self._copy_real_templates(tmp_path)
data_dir = tmp_path / "website" / "data"
data_dir.mkdir(parents=True)
# Keyed by normalized README display name, like fetch_pypi_downloads_via_clickpy.py writes it
(data_dir / "pypi_downloads.tsv").write_text(
"name\tpackage\tdownloads\tfetched_at\nasyncio\tasyncio\t26305454\t2026-08-16\nmy-lib\tmy-lib\t1234567\t2026-08-16\n",
encoding="utf-8",
)
build(tmp_path)
html = (tmp_path / "website" / "output" / "index.html").read_text(encoding="utf-8")
assert "1,234,567" in html
# Stdlib entries never show PyPI counts: the asyncio row is the backport package
assert "26,305,454" not in html
# Default sort: entries with download counts come first
assert html.index("My-Lib") < html.index("no-pypi")
# Each no-download entry gets the badge matching why it has no count
assert html.count('<span class="source-badge">Stdlib</span>') == 1
assert html.count('<span class="source-badge">Bundled</span>') == 1
assert html.count('<span class="source-badge">Not on PyPI</span>') == 1
def test_build_fails_when_group_and_category_slug_collide(self, tmp_path):
readme = textwrap.dedent("""\
# T
## Projects
**Widgets**
## Widgets
- [w1](https://example.com) - W.
# Contributing
Done.
""")
self._make_repo(tmp_path, readme)
with pytest.raises(ValueError, match="slug collision"):
build(tmp_path)
def test_index_contains_aligned_homepage_metadata(self, tmp_path):
readme = (Path(__file__).parents[2] / "README.md").read_text(encoding="utf-8")
(tmp_path / "README.md").write_text(readme, encoding="utf-8")
self._copy_real_templates(tmp_path)
build(tmp_path)
parsed_groups = parse_readme(readme)
categories = [cat for group in parsed_groups for cat in group["categories"]]
entries = extract_entries(categories, parsed_groups)
html = (tmp_path / "website" / "output" / "index.html").read_text(encoding="utf-8")
parser = HeadMetadataParser()
parser.feed(html)
expected_title = "Awesome Python"
expected_description = f"An opinionated guide to the best Python frameworks, libraries, and tools. Explore {len(entries)} curated projects across {len(categories)} categories, from AI and agents to data science and web development."
expected_url = "https://awesome-python.com/"
expected_image = "https://awesome-python.com/static/og-image.png"
assert parser.title_count == 1
assert parser.title.strip() == expected_title
assert parser.meta_by_name["description"] == expected_description
assert parser.links_by_rel["canonical"] == expected_url
assert parser.meta_by_property["og:type"] == "website"
assert parser.meta_by_property["og:title"] == expected_title
assert parser.meta_by_property["og:description"] == expected_description
assert parser.meta_by_property["og:image"] == expected_image
assert parser.meta_by_property["og:url"] == expected_url
assert parser.meta_by_name["twitter:card"] == "summary_large_image"
assert parser.meta_by_name["twitter:title"] == expected_title
assert parser.meta_by_name["twitter:description"] == expected_description
assert parser.meta_by_name["twitter:image"] == expected_image
assert "<head>\n <meta charset" in html
assert '<a href="/sponsorship/" class="hero-topbar-link">Sponsorship</a>' in html
assert 'id="hero-category-heading">Browse by category</h2>' in html
assert 'class="hero-category-link" href="/categories/ai-and-agents/"' in html
def test_index_contains_homepage_json_ld(self, tmp_path):
readme = (Path(__file__).parents[2] / "README.md").read_text(encoding="utf-8")
(tmp_path / "README.md").write_text(readme, encoding="utf-8")
self._copy_real_templates(tmp_path)
build(tmp_path)
parsed_groups = parse_readme(readme)
categories = [cat for group in parsed_groups for cat in group["categories"]]
entries = extract_entries(categories, parsed_groups)
html = (tmp_path / "website" / "output" / "index.html").read_text(encoding="utf-8")
marker = '<script type="application/ld+json">'
assert marker in html
start = html.index(marker) + len(marker)
end = html.index("</script>", start)
block = html[start:end]
assert "</script>" not in block
data = json.loads(block)
assert data["@context"] == "https://schema.org"
graph = {node["@type"]: node for node in data["@graph"]}
assert set(graph) == {"WebSite", "CollectionPage"}
assert graph["WebSite"]["url"] == "https://awesome-python.com/"
assert graph["WebSite"]["name"] == "Awesome Python"
assert graph["WebSite"]["@id"] == "https://awesome-python.com/#website"
collection = graph["CollectionPage"]
assert collection["@id"] == "https://awesome-python.com/"
assert collection["url"] == "https://awesome-python.com/"
assert collection["isPartOf"] == {"@type": "WebSite", "@id": graph["WebSite"]["@id"]}
expected_description = f"An opinionated guide to the best Python frameworks, libraries, and tools. Explore {len(entries)} curated projects across {len(categories)} categories, from AI and agents to data science and web development."
assert collection["description"] == expected_description
item_list = collection["mainEntity"]
assert item_list["@type"] == "ItemList"
assert item_list["numberOfItems"] == len(entries)
assert len(item_list["itemListElement"]) == len(entries)
positions = [item["position"] for item in item_list["itemListElement"]]
assert positions == list(range(1, len(entries) + 1))
assert all(item["@type"] == "ListItem" for item in item_list["itemListElement"])
assert all(item["url"].startswith(("http://", "https://")) for item in item_list["itemListElement"])
rendered_names = {item["name"] for item in item_list["itemListElement"]}
rendered_urls = {item["url"] for item in item_list["itemListElement"]}
assert rendered_names == {e["name"] for e in entries}
assert rendered_urls == {e["url"] for e in entries}
def test_category_page_contains_json_ld(self, tmp_path):
readme = textwrap.dedent("""\
# Awesome Python
Intro.
## Projects
**Tools**
## Widgets
_Widget libraries._
- [w1](https://example.com/w1) - A widget.
- [w2](https://github.com/owner/w2) - A starred widget.
# Contributing
Help!
""")
(tmp_path / "README.md").write_text(readme, encoding="utf-8")
self._copy_real_templates(tmp_path)
build(tmp_path)
category_html = (tmp_path / "website" / "output" / "categories" / "widgets" / "index.html").read_text(encoding="utf-8")
marker = '<script type="application/ld+json">'
assert marker in category_html
start = category_html.index(marker) + len(marker)
end = category_html.index("</script>", start)
block = category_html[start:end]
assert "</script>" not in block
data = json.loads(block)
assert data["@context"] == "https://schema.org"
graph = {node["@type"]: node for node in data["@graph"]}
assert set(graph) == {"WebSite", "CollectionPage", "BreadcrumbList"}
assert graph["WebSite"]["@id"] == "https://awesome-python.com/#website"
collection = graph["CollectionPage"]
assert collection["name"] == "Widgets Python Libraries"
assert collection["@id"] == "https://awesome-python.com/categories/widgets/"
assert collection["url"] == "https://awesome-python.com/categories/widgets/"
assert collection["description"] == "Widget libraries. Explore 2 curated Python projects in Widgets."
assert collection["isPartOf"] == {"@type": "WebSite", "@id": "https://awesome-python.com/#website"}
item_list = collection["mainEntity"]
assert item_list["@type"] == "ItemList"
assert item_list["numberOfItems"] == 2
names = {item["name"] for item in item_list["itemListElement"]}
urls = {item["url"] for item in item_list["itemListElement"]}
assert names == {"w1", "w2"}
assert urls == {"https://example.com/w1", "https://github.com/owner/w2"}
positions = sorted(item["position"] for item in item_list["itemListElement"])
assert positions == [1, 2]
breadcrumbs = graph["BreadcrumbList"]["itemListElement"]
assert breadcrumbs == [
{"@type": "ListItem", "position": 1, "name": "Awesome Python", "item": "https://awesome-python.com/"},
{"@type": "ListItem", "position": 2, "name": "Widgets", "item": "https://awesome-python.com/categories/widgets/"},
]
def test_group_page_falls_back_to_default_description_in_json_ld(self, tmp_path):
readme = textwrap.dedent("""\
# T
## Projects
**AI & ML**
## Deep Learning
- [dl1](https://example.com/dl1) - DL.
# Contributing
Done.
""")
self._copy_real_templates(tmp_path)
(tmp_path / "README.md").write_text(readme, encoding="utf-8")
build(tmp_path)
group_html = (tmp_path / "website" / "output" / "categories" / "ai-ml" / "index.html").read_text(encoding="utf-8")
marker = '<script type="application/ld+json">'
start = group_html.index(marker) + len(marker)
end = group_html.index("</script>", start)
data = json.loads(group_html[start:end])
graph = {node["@type"]: node for node in data["@graph"]}
collection = graph["CollectionPage"]
assert collection["name"] == "AI & ML Python Libraries"
assert collection["@id"] == "https://awesome-python.com/categories/ai-ml/"
assert collection["url"] == "https://awesome-python.com/categories/ai-ml/"
assert collection["description"] == "Explore 1 curated Python projects in AI & ML. Part of the Awesome Python catalog."
def test_build_creates_subcategory_pages(self, tmp_path):
readme = textwrap.dedent("""\
# T
## Projects
**Web**
## Web Frameworks
- Synchronous
- [django](https://example.com/django) - Sync framework.
- Asynchronous
- [fastapi](https://example.com/fastapi) - Async framework.
# Contributing
Done.
""")
self._copy_real_templates(tmp_path)
(tmp_path / "README.md").write_text(readme, encoding="utf-8")
build(tmp_path)
site = tmp_path / "website" / "output"
sync = (site / "categories" / "web-frameworks" / "synchronous" / "index.html").read_text(encoding="utf-8")
async_ = (site / "categories" / "web-frameworks" / "asynchronous" / "index.html").read_text(encoding="utf-8")
assert "django" in sync
assert "fastapi" not in sync
assert "fastapi" in async_
assert "django" not in async_
def test_subcategory_page_shows_breadcrumb(self, tmp_path):
readme = textwrap.dedent("""\
# T
## Projects
**Web**
## Web Frameworks
- Synchronous
- [django](https://example.com/django) - Sync.
# Contributing
Done.
""")
self._copy_real_templates(tmp_path)
(tmp_path / "README.md").write_text(readme, encoding="utf-8")
build(tmp_path)
site = tmp_path / "website" / "output"
sync = (site / "categories" / "web-frameworks" / "synchronous" / "index.html").read_text(encoding="utf-8")
assert 'href="/categories/web-frameworks/"' in sync
assert "Web Frameworks" in sync
assert "<h1>Synchronous</h1>" in sync
assert "category-breadcrumb" in sync
parser = HeadMetadataParser()
parser.feed(sync)
assert parser.title.strip() == "Synchronous for Web Frameworks - Awesome Python"
assert parser.meta_by_name["description"] == "Explore 1 curated Python projects in Synchronous for Web Frameworks. Part of the Awesome Python catalog."
marker = '<script type="application/ld+json">'
start = sync.index(marker) + len(marker)
end = sync.index("</script>", start)
graph = {node["@type"]: node for node in json.loads(sync[start:end])["@graph"]}
assert graph["CollectionPage"]["name"] == "Synchronous for Web Frameworks"
assert graph["BreadcrumbList"]["itemListElement"] == [
{"@type": "ListItem", "position": 1, "name": "Awesome Python", "item": "https://awesome-python.com/"},
{
"@type": "ListItem",
"position": 2,
"name": "Web Frameworks",
"item": "https://awesome-python.com/categories/web-frameworks/",
},
{
"@type": "ListItem",
"position": 3,
"name": "Synchronous",
"item": "https://awesome-python.com/categories/web-frameworks/synchronous/",
},
]
parent = (site / "categories" / "web-frameworks" / "index.html").read_text(encoding="utf-8")
assert "category-breadcrumb" not in parent
def test_sponsorship_page_contains_json_ld(self, tmp_path):
readme = textwrap.dedent("""\
# T
## Projects
**Tools**
## Widgets
- [w1](https://example.com/w1) - A widget.
# Contributing
Done.
""")
self._copy_real_templates(tmp_path)
(tmp_path / "README.md").write_text(readme, encoding="utf-8")
build(tmp_path)
site = tmp_path / "website" / "output"
html = (site / "sponsorship" / "index.html").read_text(encoding="utf-8")
parser = HeadMetadataParser()
parser.feed(html)
assert parser.title.strip() == "Sponsor Awesome Python"
assert parser.meta_by_name["description"] == (
"Sponsorship for awesome-python: tiers, audience, and how to get your product in front of professional Python developers evaluating tools for production use."
)
assert parser.links_by_rel["canonical"] == "https://awesome-python.com/sponsorship/"
assert '<a href="/sponsorship/" class="hero-topbar-link">Sponsorship</a>' in html
marker = '<script type="application/ld+json">'
start = html.index(marker) + len(marker)
end = html.index("</script>", start)
graph = {node["@type"]: node for node in json.loads(html[start:end])["@graph"]}
assert set(graph) == {"WebSite", "WebPage", "BreadcrumbList"}
assert graph["WebPage"]["@id"] == "https://awesome-python.com/sponsorship/"
assert graph["WebPage"]["url"] == "https://awesome-python.com/sponsorship/"
assert graph["BreadcrumbList"]["itemListElement"] == [
{"@type": "ListItem", "position": 1, "name": "Awesome Python", "item": "https://awesome-python.com/"},
{"@type": "ListItem", "position": 2, "name": "Sponsorship", "item": "https://awesome-python.com/sponsorship/"},
]
def test_index_embeds_filter_urls_json(self, tmp_path):
readme = textwrap.dedent("""\
# T
## Projects
**AI & ML**
## Deep Learning
- [dl1](https://example.com/dl1) - DL.
## Machine Learning
- Classical
- [ml1](https://example.com/ml1) - ML.
# Contributing
Done.
""")
self._copy_real_templates(tmp_path)
(tmp_path / "README.md").write_text(readme, encoding="utf-8")
build(tmp_path)
site = tmp_path / "website" / "output"
index_html = (site / "index.html").read_text(encoding="utf-8")
marker = '<script type="application/json" id="filter-urls">'
assert marker in index_html
start = index_html.index(marker) + len(marker)
end = index_html.index("</script>", start)
data = json.loads(index_html[start:end])
assert data["Deep Learning"] == "/categories/deep-learning/"
assert data["Machine Learning"] == "/categories/machine-learning/"
assert data["AI & ML"] == "/categories/ai-ml/"
assert data["Machine Learning > Classical"] == "/categories/machine-learning/classical/"
def test_filter_urls_json_escapes_closing_script_tag(self, tmp_path):
readme = textwrap.dedent("""\
# T
## Projects
## Sneaky </script><script>x=1</script>
- [a](https://example.com) - A.
# Contributing
Done.
""")
self._copy_real_templates(tmp_path)
(tmp_path / "README.md").write_text(readme, encoding="utf-8")
build(tmp_path)
site = tmp_path / "website" / "output"
index_html = (site / "index.html").read_text(encoding="utf-8")
marker = '<script type="application/json" id="filter-urls">'
start = index_html.index(marker) + len(marker)
end = index_html.index("</script>", start)
block = index_html[start:end]
assert "</script>" not in block
data = json.loads(block)
assert any("Sneaky" in key for key in data)
def test_build_creates_group_pages(self, tmp_path):
readme = textwrap.dedent("""\
# T
## Projects
**AI & ML**
## Deep Learning
- [dl1](https://example.com/dl1) - DL.
## Machine Learning
- [ml1](https://example.com/ml1) - ML.
**Web Development**
## Web Frameworks
- [wf1](https://example.com/wf1) - WF.
# Contributing
Done.
""")
self._copy_real_templates(tmp_path)
(tmp_path / "README.md").write_text(readme, encoding="utf-8")
build(tmp_path)
site = tmp_path / "website" / "output"
ai_ml = (site / "categories" / "ai-ml" / "index.html").read_text(encoding="utf-8")
web_dev = (site / "categories" / "web-development" / "index.html").read_text(encoding="utf-8")
assert "dl1" in ai_ml
assert "ml1" in ai_ml
assert "wf1" not in ai_ml
assert "wf1" in web_dev
assert "dl1" not in web_dev
def test_tag_buttons_have_data_url(self, tmp_path):
readme = textwrap.dedent("""\
# T
## Projects
**AI & ML**
## Deep Learning
- Vision
- [v1](https://example.com/v1) - Vision lib.
# Contributing
Done.
""")
self._copy_real_templates(tmp_path)
(tmp_path / "README.md").write_text(readme, encoding="utf-8")
build(tmp_path)
site = tmp_path / "website" / "output"
index_html = (site / "index.html").read_text(encoding="utf-8")
assert 'data-value="Deep Learning"' in index_html
assert 'data-url="/categories/deep-learning/"' in index_html
assert 'data-value="AI &amp; ML"' in index_html or 'data-value="AI & ML"' in index_html
assert 'data-url="/categories/ai-ml/"' in index_html
assert 'data-url="/categories/deep-learning/vision/"' in index_html
# ---------------------------------------------------------------------------
# extract_github_repo
# ---------------------------------------------------------------------------
class TestExtractGithubRepo:
def test_github_url(self):
assert extract_github_repo("https://github.com/psf/requests") == "psf/requests"
def test_non_github_url(self):
assert extract_github_repo("https://foss.heptapod.net/pypy/pypy") is None
def test_github_io_url(self):
assert extract_github_repo("https://user.github.io/proj") is None
def test_trailing_slash(self):
assert extract_github_repo("https://github.com/org/repo/") == "org/repo"
def test_deep_path(self):
assert extract_github_repo("https://github.com/org/repo/tree/main") is None
def test_dot_git_suffix(self):
assert extract_github_repo("https://github.com/org/repo.git") == "org/repo"
def test_org_only(self):
assert extract_github_repo("https://github.com/org") is None
# ---------------------------------------------------------------------------
# load_stars
# ---------------------------------------------------------------------------
class TestLoadStars:
def test_returns_empty_when_missing(self, tmp_path):
result = load_stars(tmp_path / "nonexistent.json")
assert result == {}
def test_loads_valid_json(self, tmp_path):
data = {"psf/requests": {"stars": 52467, "owner": "psf", "fetched_at": "2026-01-01T00:00:00+00:00"}}
f = tmp_path / "stars.json"
f.write_text(json.dumps(data), encoding="utf-8")
result = load_stars(f)
assert result["psf/requests"]["stars"] == 52467
def test_returns_empty_on_corrupt_json(self, tmp_path):
f = tmp_path / "stars.json"
f.write_text("not json", encoding="utf-8")
result = load_stars(f)
assert result == {}
# ---------------------------------------------------------------------------
# sort_entries
# ---------------------------------------------------------------------------
def _template_entry(name: str, stars: int | None, source_type: str | None = None) -> TemplateEntry:
return TemplateEntry(
name=name,
url="",
description="",
categories=[],
groups=[],
subcategories=[],
stars=stars,
downloads=None,
owner=None,
last_commit_at=None,
source_type=source_type,
bundled=False,
also_see=[],
)
class TestSortEntries:
def test_sorts_by_stars_descending(self):
entries = [
_template_entry("a", 100),
_template_entry("b", 500),
_template_entry("c", 200),
]
result = sort_entries(entries)
assert [e["name"] for e in result] == ["b", "c", "a"]
def test_equal_stars_sorted_alphabetically(self):
entries = [
_template_entry("beta", 100),
_template_entry("alpha", 100),
]
result = sort_entries(entries)
assert [e["name"] for e in result] == ["alpha", "beta"]
def test_no_stars_go_to_bottom(self):
entries = [
_template_entry("no-stars", None),
_template_entry("has-stars", 50),
]
result = sort_entries(entries)
assert [e["name"] for e in result] == ["has-stars", "no-stars"]
def test_no_stars_sorted_alphabetically(self):
entries = [
_template_entry("zebra", None),
_template_entry("apple", None),
]
result = sort_entries(entries)
assert [e["name"] for e in result] == ["apple", "zebra"]
def test_builtin_between_starred_and_unstarred(self):
entries = [
_template_entry("builtin", None, "Stdlib"),
_template_entry("starred", 100),
_template_entry("unstarred", None),
]
result = sort_entries(entries)
assert [e["name"] for e in result] == ["starred", "builtin", "unstarred"]
# ---------------------------------------------------------------------------
# detect_source_type
# ---------------------------------------------------------------------------
class TestDetectSourceType:
def test_github_repo_returns_none(self):
assert detect_source_type("https://github.com/psf/requests") is None
def test_stdlib_url(self):
assert detect_source_type("https://docs.python.org/3/library/asyncio.html") == "Stdlib"
def test_gitlab_url(self):
assert detect_source_type("https://gitlab.com/org/repo") == "GitLab"
def test_bitbucket_url(self):
assert detect_source_type("https://bitbucket.org/org/repo") == "Bitbucket"
def test_non_github_external(self):
assert detect_source_type("https://example.com/tool") == "External"
def test_github_non_repo_returns_none(self):
assert detect_source_type("https://github.com/org/repo/wiki") is None
# ---------------------------------------------------------------------------
# extract_entries
# ---------------------------------------------------------------------------
class TestExtractEntries:
def test_basic_extraction(self):
readme = textwrap.dedent("""\
# T
## Projects
**Tools**
## Widgets
- [widget](https://example.com) - A widget.
# Contributing
Done.
""")
groups = parse_readme(readme)
categories = [c for g in groups for c in g["categories"]]
entries = extract_entries(categories, groups)
assert len(entries) == 1
assert entries[0]["name"] == "widget"
assert entries[0]["categories"] == ["Widgets"]
assert entries[0]["groups"] == ["Tools"]
def test_duplicate_entry_merged(self):
readme = textwrap.dedent("""\
# T
## Projects
**Tools**
## Alpha
- [shared](https://example.com/shared) - Shared lib.
## Beta
- [shared](https://example.com/shared) - Shared lib.
# Contributing
Done.
""")
groups = parse_readme(readme)
categories = [c for g in groups for c in g["categories"]]
entries = extract_entries(categories, groups)
shared = [e for e in entries if e["name"] == "shared"]
assert len(shared) == 1
assert sorted(shared[0]["categories"]) == ["Alpha", "Beta"]
def test_source_type_detected(self):
readme = textwrap.dedent("""\
# T
## Projects
## Stdlib
- [asyncio](https://docs.python.org/3/library/asyncio.html) - Async I/O.
# Contributing
Done.
""")
groups = parse_readme(readme)
categories = [c for g in groups for c in g["categories"]]
entries = extract_entries(categories, groups)
assert entries[0]["source_type"] == "Stdlib"
def test_subcategory_includes_slug_and_url(self):
readme = textwrap.dedent("""\
# T
## Projects
**Tools**
## Web Frameworks
- Synchronous
- [django](https://example.com/django) - A framework.
# Contributing
Done.
""")
groups = parse_readme(readme)
categories = [c for g in groups for c in g["categories"]]
entries = extract_entries(categories, groups)
assert entries[0]["subcategories"] == [
{
"name": "Synchronous",
"value": "Web Frameworks > Synchronous",
"slug": "synchronous",
"url": "/categories/web-frameworks/synchronous/",
},
]
# ---------------------------------------------------------------------------
# annotate_entries_with_stats
# ---------------------------------------------------------------------------
class TestAnnotateEntriesWithStats:
def test_appends_star_count_to_bullet(self):
markdown = "- [foo](https://github.com/owner/foo) - A foo.\n"
stars = {"owner/foo": {"stars": 123, "owner": "owner"}}
assert annotate_entries_with_stats(markdown, stars, {}) == ("- [foo](https://github.com/owner/foo) - A foo. (GitHub stars: 123)\n")
def test_appends_downloads_by_display_name(self):
markdown = "- [Foo.py](https://example.com) - A foo.\n"
assert annotate_entries_with_stats(markdown, {}, {"foo-py": 777}) == ("- [Foo.py](https://example.com) - A foo. (PyPI downloads/month: 777)\n")
def test_appends_downloads_and_stars_together(self):
markdown = "- [foo](https://github.com/owner/foo) - A foo.\n"
stars = {"owner/foo": {"stars": 123, "owner": "owner"}}
assert annotate_entries_with_stats(markdown, stars, {"foo": 777}) == ("- [foo](https://github.com/owner/foo) - A foo. (PyPI downloads/month: 777, GitHub stars: 123)\n")
def test_uses_first_github_link(self):
markdown = "- [foo](https://github.com/owner/foo) - A foo. Also [bar](https://github.com/owner/bar).\n"
stars = {
"owner/foo": {"stars": 10, "owner": "owner"},
"owner/bar": {"stars": 99, "owner": "owner"},
}
assert annotate_entries_with_stats(markdown, stars, {}) == ("- [foo](https://github.com/owner/foo) - A foo. Also [bar](https://github.com/owner/bar). (GitHub stars: 10)\n")
def test_skips_entries_without_data(self):
markdown = "- [foo](https://github.com/owner/foo) - A foo.\n"
assert annotate_entries_with_stats(markdown, {}, {}) == markdown
def test_skips_non_github_links_for_stars(self):
markdown = "- [foo](https://example.com) - A foo.\n"
stars = {"owner/foo": {"stars": 1, "owner": "owner"}}
assert annotate_entries_with_stats(markdown, stars, {}) == markdown
def test_skips_non_bullet_lines(self):
markdown = "See [foo](https://github.com/owner/foo) for details.\n"
stars = {"owner/foo": {"stars": 1, "owner": "owner"}}
assert annotate_entries_with_stats(markdown, stars, {"foo": 5}) == markdown
def test_handles_indented_bullets(self):
markdown = " - [foo](https://github.com/owner/foo)\n"
stars = {"owner/foo": {"stars": 7, "owner": "owner"}}
assert annotate_entries_with_stats(markdown, stars, {}) == (" - [foo](https://github.com/owner/foo) (GitHub stars: 7)\n")
def test_preserves_lines_without_trailing_newline(self):
markdown = "- [foo](https://github.com/owner/foo) - A foo."
stars = {"owner/foo": {"stars": 5, "owner": "owner"}}
assert annotate_entries_with_stats(markdown, stars, {}) == ("- [foo](https://github.com/owner/foo) - A foo. (GitHub stars: 5)")
class TestLoadDownloads:
def test_parses_tsv_and_skips_not_found(self, tmp_path):
tsv = tmp_path / "pypi_downloads.tsv"
tsv.write_text(
"name\tpackage\tdownloads\tfetched_at\naiohttp\taiohttp\t649105404\t2026-08-16\npytorch\ttorch\t50000000\t2026-08-16\ndead-pkg\t-\tNOT_FOUND\t2026-08-16\n",
encoding="utf-8",
)
assert load_downloads(tsv) == {"aiohttp": 649105404, "pytorch": 50000000}
def test_missing_file_returns_empty(self, tmp_path):
assert load_downloads(tmp_path / "nope.tsv") == {}
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