diff --git a/CHANGELOG.md b/CHANGELOG.md
index 86403b0..8140467 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
## Unreleased
+### Fixed
+
+- Fix a bug that prevented non-standard relative urls to be treated as such
+ (the ones that starts with `../` or `./`)
+ [#174](https://github.com/pyodide/micropip/pull/174)
+
## [0.8.0] - 2024/12/15
### Added
diff --git a/micropip/package_index.py b/micropip/package_index.py
index 49974b7..562a252 100644
--- a/micropip/package_index.py
+++ b/micropip/package_index.py
@@ -7,7 +7,7 @@
from dataclasses import dataclass
from functools import partial
from typing import Any
-from urllib.parse import urlparse, urlunparse
+from urllib.parse import urljoin, urlparse, urlunparse
from packaging.utils import InvalidWheelFilename
from packaging.version import InvalidVersion, Version
@@ -130,8 +130,10 @@ def _parse_pep691_response(
version = parse_version(filename)
except (InvalidVersion, InvalidWheelFilename):
continue
- if file["url"].startswith("/"):
- file["url"] = index_base_url + file["url"]
+
+ is_absolute_url = bool(urlparse(file["url"]).netloc)
+ if not is_absolute_url:
+ file["url"] = urljoin(index_base_url, file["url"])
releases[version].append(file)
diff --git a/tests/test_data/pypi_response/relative-urls-test_simple.html b/tests/test_data/pypi_response/relative-urls-test_simple.html
new file mode 100644
index 0000000..7f5e83d
--- /dev/null
+++ b/tests/test_data/pypi_response/relative-urls-test_simple.html
@@ -0,0 +1,17 @@
+
+
+
+
+ Links for relative-url-test
+
+
+Links for relative-url-test
+relative_url_test-1.0.0.tar.gz
+relative_url_test-1.0.0-py3-none-any.whl
+relative_url_test-1.1.0.tar.gz
+relative_url_test-1.1.0-py3-none-any.whl
+relative_url_test-1.2.0-py3-none-any.whl
+relative_url_test-1.3.0-py3-none-any.whl
+relative_url_test-1.4.0-py3-none-any.whl
+
+
diff --git a/tests/test_package_index.py b/tests/test_package_index.py
index 9bba3d0..e57dae4 100644
--- a/tests/test_package_index.py
+++ b/tests/test_package_index.py
@@ -43,7 +43,8 @@ def test_project_info_from_simple_json(name):
@pytest.mark.parametrize(
- "name", ["numpy", "black", "pytest", "snowballstemmer", "pytz"]
+ "name",
+ ["numpy", "black", "pytest", "snowballstemmer", "pytz", "relative-urls-test"],
)
def test_project_info_from_simple_html(name):
test_file = TEST_PYPI_RESPONSE_DIR / f"{name}_simple.html"