Skip to content

Define pkg as a PackageURL class attribute #184

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 4 commits into from
Jun 6, 2025
Merged

Define pkg as a PackageURL class attribute #184

Changes from all commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
a164b8c
Define `pkg` as a PackageURL class attribute
jaimergp Mar 6, 2025
136403f
Black
jaimergp Mar 17, 2025
4ec193f
use ClassVar
jaimergp Jun 5, 2025
74ef7b2
cleaner without f-string
jaimergp Jun 5, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
11 changes: 8 additions & 3 deletions src/packageurl/__init__.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,7 @@
if TYPE_CHECKING:
from collections.abc import Callable
from collections.abc import Iterable
from typing import ClassVar

from typing_extensions import Literal
from typing_extensions import Self
Expand Down Expand Up @@ -314,6 +315,8 @@ class PackageURL(
https://github.com/package-url/purl-spec
"""

SCHEME: ClassVar[str] = "pkg"

type: str
namespace: str | None
name: str
Expand Down Expand Up @@ -409,7 +412,7 @@ def to_string(self) -> str:
encode=True,
)

purl = ["pkg:", type, "/"]
purl = [self.SCHEME, ":", type, "/"]

if namespace:
purl.extend((namespace, "/"))
Expand Down Expand Up @@ -440,8 +443,10 @@ def from_string(cls, purl: str) -> Self:
raise ValueError("A purl string argument is required.")

scheme, sep, remainder = purl.partition(":")
if not sep or scheme != "pkg":
raise ValueError(f'purl is missing the required "pkg" scheme component: {purl!r}.')
if not sep or scheme != cls.SCHEME:
raise ValueError(
f'purl is missing the required "{cls.SCHEME}" scheme component: {purl!r}.'
)

# this strip '/, // and /// as possible in :// or :///
remainder = remainder.strip().lstrip("/")
Expand Down
Loading