feat: add packages attribute to content

Author: tdstein

src/posit/connect/content.py

@@ -8,6 +8,7 @@
 from typing import Any, List, Literal, Optional, overload
 
 from posit.connect.oauth.associations import ContentItemAssociations
+from posit.connect.packages import PackagesMixin
 
 from . import tasks
 from .bundles import Bundles
@@ -32,7 +33,8 @@ class ContentItemOwner(Resource):
     pass
 
 
-class ContentItem(Resource):
+class ContentItem(PackagesMixin, Resource):
+
     def __getitem__(self, key: Any) -> Any:
         v = super().__getitem__(key)
         if key == "owner" and isinstance(v, dict):

src/posit/connect/packages.py

@@ -0,0 +1,99 @@
+from typing import Literal, Optional, Sequence, TypedDict
+
+from typing_extensions import NotRequired, Required, Unpack
+
+from .resources import Resource, ResourceParameters, Resources
+
+
+class Package(Resource):
+    """A package resource."""
+
+    class PackageAttributes(TypedDict):
+        """Package attributes."""
+
+        language: Required[Literal['r', 'python']]
+        name: Required[str]
+        version: Required[str]
+        hash: NotRequired[str]
+
+    def __init__(
+        self,
+        /,
+        params: ResourceParameters,
+        **kwargs: Unpack[PackageAttributes],
+    ):
+        """Initialize a Vanity.
+
+        Parameters
+        ----------
+        params : ResourceParameters
+        """
+        super().__init__(params, **kwargs)
+
+
+class Packages(Resources, Sequence[Package]):
+    """Manages a collection of vanities."""
+
+    def __init__(self, params, endpoint):
+        super().__init__(params)
+        self._endpoint = endpoint
+        self._packages = []
+        self.reload()
+
+    def __getitem__(self, index):
+        """Retrieve an item or slice from the sequence."""
+        return self._packages[index]
+
+    def __len__(self):
+        """Return the length of the sequence."""
+        return len(self._packages)
+
+    def __repr__(self):
+        """Return the string representation of the sequence."""
+        return f"MySequence({', '.join(map(str, self._packages))})"
+
+    def count(self, value):
+        """Return the number of occurrences of a value in the sequence."""
+        return self._packages.count(value)
+
+    def index(self, value, start=0, stop=None):
+        """Return the index of the first occurrence of a value in the sequence."""
+        if stop is None:
+            stop = len(self._packages)
+        return self._packages.index(value, start, stop)
+
+    def reload(self) -> 'Packages':
+        """Retrieve all packages.
+
+        Returns
+        -------
+        List[Package]
+        """
+        response = self.params.session.get(self._endpoint)
+        results = response.json()
+        packages = [Package(self.params, **result) for result in results]
+        self._packages = packages
+        return self
+
+class PackagesMixin(Resource):
+    """Mixin class to add a packages to a resource."""
+
+    class HasGuid(TypedDict):
+        """Has a guid."""
+
+        guid: Required[str]
+
+    def __init__(self, params: ResourceParameters, **kwargs: Unpack[HasGuid]):
+        super().__init__(params, **kwargs)
+        self._guid = kwargs["guid"]
+        self._packages: Optional[Packages] = None
+
+    @property
+    def packages(self) -> Optional[Packages]:
+        """Get the vanity."""
+        if self._packages:
+            return self._packages
+
+        endpoint = self.params.url + f"v1/content/{self._guid}/packages"
+        self._packages = Packages(self.params, endpoint)
+        return self._packages.reload()