feat: Add --no-cache option when pulling images

crpy/cmd.py

@@ -23,7 +23,7 @@ async def _pull(args):
     if not filename:
         # make file name compatible
         filename = ri.repository.replace(":", "_").replace("/", "_")
-    await ri.pull(filename, args.architecture[0] if args.architecture else None)
+    await ri.pull(filename, args.architecture[0] if args.architecture else None, not args.no_cache)
 
 
 async def _push(args):
@@ -173,6 +173,12 @@ def main(*args):
         help="Architecture for the to be pulled.",
         default=None,
     )
+    pull.add_argument(
+        "--no-cache",
+        action="store_true",
+        help="If should not use the cache when pulling the image.",
+        default=False,
+    )
     pull.add_argument("url", nargs=1, help="Remote repository to pull from.")
     pull.add_argument("filename", nargs="?", help="Output file for the compressed image.")
 

crpy/registry.py

@@ -362,7 +362,10 @@ async def get_response_content(self, layer: str, file_obj: Optional[io.BytesIO])
             return file_obj.getvalue()
 
     async def pull(
-        self, output_file: Union[str, pathlib.Path, io.BytesIO], architecture: Union[str, Platform, None] = None
+        self,
+        output_file: Union[str, pathlib.Path, io.BytesIO],
+        architecture: Union[str, Platform, None] = None,
+        use_cache: bool = True,
     ):
         """
         Pulls an image from a remote repository. The image will be packed into a tar-file and saved to disk (or to a
@@ -372,6 +375,7 @@ async def pull(
         :param output_file: path or file-like object to save the binary data.
         :param architecture: architecture to pull the image. If not set, the default registry architecture will be
             used.
+        :param use_cache: enables the local cache, saving layers to ~/.crpy/ folder.
         :return:
         """
         print(f"{self.tag}: Pulling from {self.registry}/{self.repository}")
@@ -382,7 +386,7 @@ async def pull(
         for layer in await self.get_layers(architecture):
             layer_without_prefix = layer.split(":")[1]
             image.layers.append(
-                Blob.from_any(await self.pull_layer(layer, use_cache=True), digest=layer_without_prefix)
+                Blob.from_any(await self.pull_layer(layer, use_cache=use_cache), digest=layer_without_prefix)
             )
             print(f"{layer_without_prefix[0:12]}: Pull complete")
         image.to_disk(output_file, tags=[str(self)])

pyproject.toml

@@ -11,7 +11,6 @@ authors = [
 ]
 requires-python = ">=3.9.0"
 dependencies = [
-    "requests>=2",
     "async-lru>=2",
     "aiohttp>=3",
     "async-lru>=2",