fix(pypi): handle more URL patterns for requirement sources

Summary:
- Better handle git references for sdists.
- Better handle direct whl references.
- Add an extra test that turned out to be not needed in the end, but I
  left it to increase the code coverage.

Work towards #2363
Fixes #2828

Author: aignas

python/private/pypi/parse_requirements.bzl

@@ -285,12 +285,17 @@ def _add_dists(*, requirement, index_urls, logger = None):
     if requirement.srcs.url:
         url = requirement.srcs.url
         _, _, filename = url.rpartition("/")
+        filename, _, _ = filename.partition("#sha256=")
         if "." not in filename:
             # detected filename has no extension, it might be an sdist ref
             # TODO @aignas 2025-04-03: should be handled if the following is fixed:
             # https://github.com/bazel-contrib/rules_python/issues/2363
             return [], None
 
+        if "@" in filename:
+            # this is most likely foo.git@git_sha, skip special handling of these
+            return [], None
+
         direct_url_dist = struct(
             url = url,
             filename = filename,

tests/pypi/index_sources/index_sources_tests.bzl

@@ -21,38 +21,50 @@ _tests = []
 
 def _test_no_simple_api_sources(env):
     inputs = {
+        "foo @ git+https://github.com/org/foo.git@deadbeef": struct(
+            requirement = "foo @ git+https://github.com/org/foo.git@deadbeef",
+            marker = "",
+            url = "git+https://github.com/org/foo.git@deadbeef",
+            shas = [],
+            version = "",
+        ),
         "foo==0.0.1": struct(
             requirement = "foo==0.0.1",
             marker = "",
             url = "",
+            version = "0.0.1",
         ),
         "foo==0.0.1 @ https://someurl.org": struct(
             requirement = "foo==0.0.1 @ https://someurl.org",
             marker = "",
             url = "https://someurl.org",
+            version = "0.0.1",
         ),
         "foo==0.0.1 @ https://someurl.org/package.whl": struct(
             requirement = "foo==0.0.1 @ https://someurl.org/package.whl",
             marker = "",
             url = "https://someurl.org/package.whl",
+            version = "0.0.1",
         ),
         "foo==0.0.1 @ https://someurl.org/package.whl --hash=sha256:deadbeef": struct(
             requirement = "foo==0.0.1 @ https://someurl.org/package.whl --hash=sha256:deadbeef",
             marker = "",
             url = "https://someurl.org/package.whl",
             shas = ["deadbeef"],
+            version = "0.0.1",
         ),
         "foo==0.0.1 @ https://someurl.org/package.whl; python_version < \"2.7\"\\    --hash=sha256:deadbeef": struct(
             requirement = "foo==0.0.1 @ https://someurl.org/package.whl --hash=sha256:deadbeef",
             marker = "python_version < \"2.7\"",
             url = "https://someurl.org/package.whl",
             shas = ["deadbeef"],
+            version = "0.0.1",
         ),
     }
     for input, want in inputs.items():
         got = index_sources(input)
         env.expect.that_collection(got.shas).contains_exactly(want.shas if hasattr(want, "shas") else [])
-        env.expect.that_str(got.version).equals("0.0.1")
+        env.expect.that_str(got.version).equals(want.version)
         env.expect.that_str(got.requirement).equals(want.requirement)
         env.expect.that_str(got.requirement_line).equals(got.requirement)
         env.expect.that_str(got.marker).equals(want.marker)

tests/pypi/parse_requirements/parse_requirements_tests.bzl

@@ -30,12 +30,16 @@ foo[extra] @ https://some-url/package.whl
 bar @ https://example.org/bar-1.0.whl --hash=sha256:deadbeef
 baz @ https://test.com/baz-2.0.whl; python_version < "3.8" --hash=sha256:deadb00f
 qux @ https://example.org/qux-1.0.tar.gz --hash=sha256:deadbe0f
+torch @ https://download.pytorch.org/whl/cpu/torch-2.6.0%2Bcpu-cp311-cp311-linux_x86_64.whl#sha256=5b6ae523bfb67088a17ca7734d131548a2e60346c622621e4248ed09dd0790cc
 """,
         "requirements_extra_args": """\
 --index-url=example.org
 
 foo[extra]==0.0.1 \
     --hash=sha256:deadbeef
+""",
+        "requirements_git": """
+foo @ git+https://github.com/org/foo.git@deadbeef
 """,
         "requirements_linux": """\
 foo==0.0.3 --hash=sha256:deadbaaf
@@ -232,6 +236,31 @@ def _test_direct_urls(env):
                 whls = [],
             ),
         ],
+        "torch": [
+            struct(
+                distribution = "torch",
+                extra_pip_args = [],
+                is_exposed = True,
+                sdist = None,
+                srcs = struct(
+                    marker = "",
+                    requirement = "torch @ https://download.pytorch.org/whl/cpu/torch-2.6.0%2Bcpu-cp311-cp311-linux_x86_64.whl#sha256=5b6ae523bfb67088a17ca7734d131548a2e60346c622621e4248ed09dd0790cc",
+                    requirement_line = "torch @ https://download.pytorch.org/whl/cpu/torch-2.6.0%2Bcpu-cp311-cp311-linux_x86_64.whl#sha256=5b6ae523bfb67088a17ca7734d131548a2e60346c622621e4248ed09dd0790cc",
+                    shas = [],
+                    url = "https://download.pytorch.org/whl/cpu/torch-2.6.0%2Bcpu-cp311-cp311-linux_x86_64.whl#sha256=5b6ae523bfb67088a17ca7734d131548a2e60346c622621e4248ed09dd0790cc",
+                    version = "",
+                ),
+                target_platforms = ["linux_x86_64"],
+                whls = [
+                    struct(
+                        filename = "torch-2.6.0%2Bcpu-cp311-cp311-linux_x86_64.whl",
+                        sha256 = "",
+                        url = "https://download.pytorch.org/whl/cpu/torch-2.6.0%2Bcpu-cp311-cp311-linux_x86_64.whl#sha256=5b6ae523bfb67088a17ca7734d131548a2e60346c622621e4248ed09dd0790cc",
+                        yanked = False,
+                    ),
+                ],
+            ),
+        ],
     })
 
 _tests.append(_test_direct_urls)
@@ -623,6 +652,36 @@ def _test_optional_hash(env):
 
 _tests.append(_test_optional_hash)
 
+def _test_git_sources(env):
+    got = parse_requirements(
+        ctx = _mock_ctx(),
+        requirements_by_platform = {
+            "requirements_git": ["linux_x86_64"],
+        },
+    )
+    env.expect.that_dict(got).contains_exactly({
+        "foo": [
+            struct(
+                distribution = "foo",
+                extra_pip_args = [],
+                is_exposed = True,
+                sdist = None,
+                srcs = struct(
+                    marker = "",
+                    requirement = "foo @ git+https://github.com/org/foo.git@deadbeef",
+                    requirement_line = "foo @ git+https://github.com/org/foo.git@deadbeef",
+                    shas = [],
+                    url = "git+https://github.com/org/foo.git@deadbeef",
+                    version = "",
+                ),
+                target_platforms = ["linux_x86_64"],
+                whls = [],
+            ),
+        ],
+    })
+
+_tests.append(_test_git_sources)
+
 def parse_requirements_test_suite(name):
     """Create the test suite.